Release 1.6.4

refs #285

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Java environment
         uses: actions/setup-java@v2
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'zulu'
           cache: 'gradle'
       - name: Decrypt keystore

.github/workflows/tests.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up Java environment
         uses: actions/setup-java@v2
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'zulu'
           cache: 'gradle'
 

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020-2022 Johan von Forstner
+Copyright (c) 2020-2023 Johan von Forstner and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,7 +1,8 @@
 EVMap [![Build Status](https://github.com/ev-map/EVMap/actions/workflows/tests.yml/badge.svg)](https://github.com/ev-map/EVMap/actions)
 =====
 
-<img src="https://raw.githubusercontent.com/ev-map/EVMap/master/_img/feature_graphic.svg" width=700 alt="Logo"/>
+<a href="https://ev-map.app" target="_blank">
+<img src="https://raw.githubusercontent.com/ev-map/EVMap/master/_img/feature_graphic.svg" width=700 alt="Logo"/></a>
 
 Android app to find electric vehicle charging stations.
 

_img/connectors/connector_supercharger.svg

@@ -1,23 +1,25 @@
-<svg id="Ebene_5" data-name="Ebene 5" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
-    <defs>
-        <style>.cls-1,.cls-2{fill:none;}.cls-2{stroke:#000;stroke-miterlimit:10;stroke-width:2px;}
-        </style>
-    </defs>
-    <title>connector_supercharger</title>
-    <path class="cls-1" d="M12,12H36V36H12Z" />
-    <path class="cls-2"
-        d="M13.45,17.08a8.24,8.24,0,0,1-3.11.6,8.34,8.34,0,0,1-6-14.18H16.3a8.35,8.35,0,0,1,1.07,10.33" />
-    <circle cx="10.34" cy="9.34" r="1.67" />
-    <circle cx="15.35" cy="9.34" r="1.67" />
-    <circle cx="12.84" cy="13.51" r="1.67" />
-    <circle cx="7.84" cy="13.51" r="1.67" />
-    <circle cx="5.34" cy="9.34" r="1.67" />
-    <circle cx="7.84" cy="5.59" r="1" />
-    <circle cx="12.84" cy="5.59" r="1.04" />
+<?xml version="1.0" encoding="utf-8"?><!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Ebene_5" xmlns="http://www.w3.org/2000/svg"
+    xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 24 24"
+    style="enable-background:new 0 0 24 24;" xml:space="preserve">
+<style type="text/css">
+	.st0{display:none;fill:none;}
+	.st1{fill:none;stroke:#000000;stroke-width:2;stroke-miterlimit:10;}
+</style>
+    <path class="st0" d="M12,12h24v24H12V12z" />
+    <path class="st1"
+        d="M6.2,13.8C4.1,10.6,4.6,6.3,7.3,3.5h12c1.5,1.6,2.4,3.7,2.4,5.9c0,4.6-3.8,8.3-8.4,8.3c-1.1,0-2.1-0.2-3.1-0.6" />
+    <circle cx="13.3" cy="9.3" r="1.7" />
+    <circle cx="8.3" cy="9.3" r="1.7" />
+    <circle cx="10.8" cy="13.5" r="1.7" />
+    <circle cx="15.8" cy="13.5" r="1.7" />
+    <circle cx="18.3" cy="9.3" r="1.7" />
+    <circle cx="15.8" cy="5.6" r="1" />
+    <circle cx="10.8" cy="5.6" r="1" />
     <g id="T">
-        <path id="path35"
-            d="M18.18,22.23l1-5.48c.93,0,1.22.1,1.27.52a2.15,2.15,0,0,0,.93-.7,6.91,6.91,0,0,0-2.46-.6l-.71.88h0L17.46,16a7,7,0,0,0-2.46.6,2.22,2.22,0,0,0,.94.7c0-.42.33-.52,1.26-.52l1,5.48" />
-        <path id="path37"
-            d="M18.18,15.72a7.9,7.9,0,0,1,3.28.66,2.65,2.65,0,0,0,.2-.4,9.24,9.24,0,0,0-7,0,2.61,2.61,0,0,0,.19.4,7.94,7.94,0,0,1,3.29-.66h0" />
-    </g>
-</svg>
+	<path id="path35" d="M5.4,22.3l1-5.5c0.9,0,1.3,0.1,1.3,0.5c0.4-0.1,0.7-0.4,0.9-0.7C7.8,16.3,7,16,6.1,16l-0.8,0.8l0,0L4.7,16
+		c-0.8,0-1.7,0.3-2.5,0.6c0.2,0.3,0.6,0.6,0.9,0.7c0.1-0.4,0.3-0.5,1.3-0.5L5.4,22.3" />
+        <path id="path37" d="M5.5,15.7L5.5,15.7c1.1,0,2.3,0.2,3.3,0.7c0.1-0.1,0.1-0.3,0.2-0.4c-2.2-0.9-4.8-0.9-7,0
+		c0.1,0.1,0.1,0.3,0.2,0.4C3.2,15.9,4.3,15.7,5.5,15.7" />
+</g>
+</svg>

app/build.gradle

@@ -8,8 +8,9 @@ apply plugin: 'kotlin-parcelize'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'androidx.navigation.safeargs.kotlin'
 apply plugin: 'com.mikepenz.aboutlibraries.plugin'
+apply plugin: 'pt.jcosta.resourceplaceholders'
 
-def supportedLocales = "en,de,fr,nb-rNO,nl"
+def supportedLocales = "en,de,fr,nb-rNO,nl,pt,ro"
 
 android {
     compileSdkVersion 33
@@ -20,8 +21,8 @@ android {
         minSdkVersion 21
         targetSdkVersion 33
         // NOTE: always increase versionCode by 2 since automotive flavor uses versionCode + 1
-        versionCode 164
-        versionName "1.4.8"
+        versionCode 188
+        versionName "1.6.4"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         resConfigs supportedLocales.split(',')
@@ -90,6 +91,12 @@ android {
         jvmTarget = JavaVersion.VERSION_1_8.toString()
     }
 
+    tasks.withType(org.jetbrains.kotlin.gradle.tasks.KaptGenerateStubs).configureEach {
+        kotlinOptions {
+            jvmTarget = "1.8"
+        }
+    }
+
     buildFeatures {
         dataBinding = true
         viewBinding true
@@ -103,6 +110,9 @@ android {
         unitTests.includeAndroidResources true
     }
 
+    resourcePlaceholders {
+        files = ['xml/shortcuts.xml']
+    }
     namespace 'net.vonforst.evmap'
 
     // add API keys from environment variable if not set in apikeys.xml
@@ -146,6 +156,12 @@ android {
         }
     }
 
+    packagingOptions {
+        pickFirst 'lib/x86/libc++_shared.so'
+        pickFirst 'lib/arm64-v8a/libc++_shared.so'
+        pickFirst 'lib/x86_64/libc++_shared.so'
+        pickFirst 'lib/armeabi-v7a/libc++_shared.so'
+    }
 }
 
 configurations {
@@ -156,24 +172,26 @@ configurations {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.6.1'
-    implementation 'androidx.core:core-ktx:1.9.0'
-    implementation 'androidx.core:core-splashscreen:1.0.0'
-    implementation "androidx.activity:activity-ktx:1.6.1"
-    implementation "androidx.fragment:fragment-ktx:1.5.5"
+    implementation 'androidx.core:core-ktx:1.10.1'
+    implementation 'androidx.core:core-splashscreen:1.0.1'
+    implementation "androidx.activity:activity-ktx:1.7.2"
+    implementation "androidx.fragment:fragment-ktx:1.5.7"
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.preference:preference-ktx:1.2.0'
-    implementation 'com.google.android.material:material:1.8.0'
+    implementation 'com.google.android.material:material:1.9.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.recyclerview:recyclerview:1.2.1'
+    implementation 'androidx.recyclerview:recyclerview:1.3.0'
     implementation 'androidx.browser:browser:1.5.0'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
+    implementation 'androidx.security:security-crypto:1.1.0-alpha06'
+    implementation "androidx.work:work-runtime-ktx:2.8.1"
     implementation 'com.github.ev-map:CustomBottomSheetBehavior:e48f73ea7b'
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation 'com.squareup.retrofit2:converter-moshi:2.9.0'
-    implementation 'com.squareup.okhttp3:okhttp:4.9.0'
-    implementation 'com.squareup.okhttp3:okhttp-urlconnection:4.9.0'
-    implementation 'com.squareup.moshi:moshi-kotlin:1.13.0'
-    implementation 'com.squareup.moshi:moshi-adapters:1.13.0'
+    implementation 'com.squareup.okhttp3:okhttp:4.11.0'
+    implementation 'com.squareup.okhttp3:okhttp-urlconnection:4.11.0'
+    implementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
+    implementation 'com.squareup.moshi:moshi-adapters:1.15.0'
     implementation 'com.markomilos.jsonapi:jsonapi-retrofit:1.1.0'
     implementation 'io.coil-kt:coil:1.1.0'
     implementation 'com.github.ev-map:StfalconImageViewer:5082ebd392'
@@ -192,7 +210,7 @@ dependencies {
     googleAutomotiveImplementation "androidx.car.app:app-automotive:$carAppVersion"
 
     // AnyMaps
-    def anyMapsVersion = '7fdcf50fc4'
+    def anyMapsVersion = '8f1226e1c5'
     implementation "com.github.ev-map.AnyMaps:anymaps-base:$anyMapsVersion"
     googleImplementation "com.github.ev-map.AnyMaps:anymaps-google:$anyMapsVersion"
     googleImplementation 'com.google.android.gms:play-services-maps:18.1.0'
@@ -208,7 +226,7 @@ dependencies {
     fossImplementation 'com.github.ev-map:mapbox-events-android:a21c324501'
 
     // Google Places
-    googleImplementation 'com.google.android.libraries.places:places:3.0.0'
+    googleImplementation 'com.google.android.libraries.places:places:3.1.0'
     googleImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.6.4'
 
     // Mapbox Geocoding
@@ -219,18 +237,19 @@ dependencies {
     implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
 
     // viewmodel library
-    def lifecycle_version = "2.5.1"
+    def lifecycle_version = "2.6.1"
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
 
     // room library
-    def room_version = "2.5.0"
+    def room_version = "2.5.1"
     implementation "androidx.room:room-runtime:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
     implementation "androidx.room:room-ktx:$room_version"
+    implementation 'com.github.anboralabs:spatia-room:0.2.7'
 
     // billing library
-    def billing_version = "5.1.0"
+    def billing_version = "6.0.0"
     googleImplementation "com.android.billingclient:billing:$billing_version"
     googleImplementation "com.android.billingclient:billing-ktx:$billing_version"
 
@@ -241,26 +260,31 @@ dependencies {
     implementation("ch.acra:acra-limiter:$acraVersion")
 
     // debug tools
-    implementation 'com.facebook.stetho:stetho:1.6.0'
-    implementation 'com.facebook.stetho:stetho-okhttp3:1.6.0'
+    debugImplementation 'com.facebook.flipper:flipper:0.190.0'
+    debugImplementation 'com.facebook.soloader:soloader:0.10.5'
+    debugImplementation 'com.facebook.flipper:flipper-network-plugin:0.190.0'
 
     // testing
     testImplementation 'junit:junit:4.13.2'
-    testImplementation "com.squareup.okhttp3:mockwebserver:4.9.0"
+    testImplementation "com.squareup.okhttp3:mockwebserver:4.11.0"
     //noinspection GradleDependency
     testImplementation 'org.json:json:20080701'
+    testImplementation 'org.robolectric:robolectric:4.9.2'
+    testImplementation 'androidx.test:core:1.5.0'
+    testImplementation 'androidx.arch.core:core-testing:2.2.0'
 
     // testing for car app
     testGoogleImplementation "androidx.car.app:app-testing:$carAppVersion"
-    testGoogleImplementation 'org.robolectric:robolectric:4.9'
+    testGoogleImplementation 'org.robolectric:robolectric:4.9.2'
     testGoogleImplementation 'androidx.test:core:1.5.0'
 
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    androidTestImplementation 'androidx.arch.core:core-testing:2.2.0'
 
-    kapt "com.squareup.moshi:moshi-kotlin-codegen:1.13.0"
+    kapt "com.squareup.moshi:moshi-kotlin-codegen:1.15.0"
 
-    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.2'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.3'
 }
 
 private static String decode(String s, String key) {

app/src/androidTest/java/com/johan/evmap/ExampleInstrumentedTest.kt

@@ -1,24 +0,0 @@
-package com.johan.evmap
-
-import androidx.test.platform.app.InstrumentationRegistry
-import androidx.test.ext.junit.runners.AndroidJUnit4
-
-import org.junit.Test
-import org.junit.runner.RunWith
-
-import org.junit.Assert.*
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-@RunWith(AndroidJUnit4::class)
-class ExampleInstrumentedTest {
-    @Test
-    fun useAppContext() {
-        // Context of the app under test.
-        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
-        assertEquals("com.johan.evmap", appContext.packageName)
-    }
-}

app/src/androidTest/java/com/johan/evmap/storage/SavedRegionDaoTest.kt

@@ -0,0 +1,95 @@
+package com.johan.evmap.storage
+
+import android.content.Context
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import co.anbora.labs.spatia.geometry.Mbr
+import co.anbora.labs.spatia.geometry.MultiPolygon
+import kotlinx.coroutines.runBlocking
+import net.vonforst.evmap.storage.AppDatabase
+import net.vonforst.evmap.storage.SavedRegion
+import net.vonforst.evmap.storage.SavedRegionDao
+import net.vonforst.evmap.utils.distanceBetween
+import net.vonforst.evmap.viewmodel.await
+import org.junit.After
+import org.junit.Assert.*
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import java.time.ZoneOffset
+import java.time.ZonedDateTime
+
+@RunWith(AndroidJUnit4::class)
+class SavedRegionDaoTest {
+    private lateinit var database: AppDatabase
+    private lateinit var dao: SavedRegionDao
+
+    @get:Rule
+    var instantExecutorRule = InstantTaskExecutorRule()
+
+    @Before
+    fun setUp() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        database = AppDatabase.createInMemory(context)
+        dao = database.savedRegionDao()
+    }
+
+    @After
+    fun tearDown() {
+        database.close()
+    }
+
+    @Test
+    fun testGetSavedRegion() {
+        val ds = "test"
+
+        val ts1 = ZonedDateTime.of(2023, 1, 1, 0, 0, 0, 0, ZoneOffset.UTC).toInstant()
+        val region1 = Mbr(9.0, 53.0, 10.0, 54.0, 4326).asPolygon()
+        runBlocking {
+            dao.insert(
+                SavedRegion(
+                    region1,
+                    ds, ts1, null, false
+                )
+            )
+        }
+        assertEquals(region1, dao.getSavedRegion(ds, 0))
+        runBlocking {
+            assertTrue(dao.savedRegionCovers(53.1, 53.2, 9.1, 9.2, ds, 0).await())
+            assertTrue(dao.savedRegionCoversRadius(53.05, 9.15, 10.0, ds, 0).await())
+            assertFalse(dao.savedRegionCovers(52.1, 52.2, 9.1, 9.2, ds, 0).await())
+        }
+
+        val ts2 = ZonedDateTime.of(2023, 1, 1, 1, 0, 0, 0, ZoneOffset.UTC).toInstant()
+        val region2 = Mbr(9.0, 55.0, 10.0, 56.0, 4326).asPolygon()
+        runBlocking {
+            dao.insert(
+                SavedRegion(
+                    region2,
+                    ds, ts2, null, false
+                )
+            )
+        }
+        assertEquals(MultiPolygon(listOf(region1, region2)), dao.getSavedRegion(ds, 0))
+        assertEquals(region2, dao.getSavedRegion(ds, ts1.toEpochMilli()))
+
+        runBlocking {
+            assertTrue(dao.savedRegionCovers(53.1, 53.2, 9.1, 9.2, ds, 0).await())
+            assertTrue(dao.savedRegionCoversRadius(53.05, 9.15, 10.0, ds, 0).await())
+            assertFalse(dao.savedRegionCovers(53.1, 55.2, 9.1, 9.2, ds, 0).await())
+        }
+    }
+
+    @Test
+    fun testMakeCircle() {
+        val lat = 53.0
+        val lng = 10.0
+        val radius = 10000.0
+        val circle = runBlocking { dao.makeCircle(lat, lng, radius) }
+        for (point in circle.points) {
+            assertEquals(radius, distanceBetween(lat, lng, point.y, point.x), 10.0)
+        }
+    }
+}

app/src/debug/AndroidManifest.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application>
+        <activity
+            android:name="com.facebook.flipper.android.diagnostics.FlipperDiagnosticActivity"
+            android:exported="true" />
+    </application>
+</manifest>

app/src/debug/java/net/vonforst/evmap/DebugInits.kt

@@ -0,0 +1,42 @@
+package net.vonforst.evmap
+
+import android.content.Context
+import android.os.Build
+import com.facebook.flipper.android.AndroidFlipperClient
+import com.facebook.flipper.plugins.databases.DatabasesFlipperPlugin
+import com.facebook.flipper.plugins.inspector.DescriptorMapping
+import com.facebook.flipper.plugins.inspector.InspectorFlipperPlugin
+import com.facebook.flipper.plugins.network.FlipperOkhttpInterceptor
+import com.facebook.flipper.plugins.network.NetworkFlipperPlugin
+import com.facebook.flipper.plugins.sharedpreferences.SharedPreferencesFlipperPlugin
+import com.facebook.soloader.SoLoader
+import okhttp3.OkHttpClient
+
+private val networkFlipperPlugin = NetworkFlipperPlugin()
+
+fun addDebugInterceptors(context: Context) {
+    if (Build.FINGERPRINT == "robolectric") return
+
+    SoLoader.init(context, false)
+    val client = AndroidFlipperClient.getInstance(context)
+    client.addPlugin(InspectorFlipperPlugin(context, DescriptorMapping.withDefaults()))
+    client.addPlugin(networkFlipperPlugin)
+    client.addPlugin(DatabasesFlipperPlugin(context))
+    client.addPlugin(SharedPreferencesFlipperPlugin(context))
+    client.start()
+}
+
+fun OkHttpClient.Builder.addDebugInterceptors(): OkHttpClient.Builder {
+    // Flipper does not work during unit tests - so check whether we are running tests first
+    var isRunningTest = true
+    try {
+        Class.forName("org.junit.Test")
+    } catch (e: ClassNotFoundException) {
+        isRunningTest = false
+    }
+    
+    if (!isRunningTest) {
+        this.addNetworkInterceptor(FlipperOkhttpInterceptor(networkFlipperPlugin))
+    }
+    return this
+}

app/src/foss/res/values-pt/strings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="data_sources_hint">Os dados do mapa são fornecidos pelo OpenStreetMap (Mapbox).</string>
+    <string name="donate_paypal">Doar com o PayPal</string>
+    <string name="donations_info" formatted="false">Acha que o EVMap é útil\? Apoie a manutenção e desenvolvimento com uma doação para o desenvolvedor da app.</string>
+</resources>

app/src/foss/res/values-ro/strings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="donations_info" formatted="false">Crezi ca EVMap este util? Sprijina dezvoltarea printr-o donatie pentru dezvoltator.</string>
+    <string name="donate_paypal">Doneaza cu PayPal</string>
+    <string name="data_sources_hint">Hartile din aplicatie sunt furnizate de OpenStreetMap (Mapbox).</string>
+</resources>

app/src/google/AndroidManifest.xml

@@ -41,6 +41,13 @@
                     android:name="androidx.car.app.CarAppService"
                     android:category="androidx.car.app.category.POI" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <data android:scheme="net.vonforst.evmap" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+            </intent-filter>
         </service>
     </application>
 </manifest>

app/src/google/java/net/vonforst/evmap/auto/CarAppService.kt

@@ -27,6 +27,7 @@ import androidx.core.content.ContextCompat
 import androidx.core.location.LocationListenerCompat
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleOwner
+import com.car2go.maps.model.LatLng
 import net.vonforst.evmap.R
 import net.vonforst.evmap.location.FusionEngine
 import net.vonforst.evmap.location.LocationEngine
@@ -121,6 +122,8 @@ class EVMapSession(val cas: CarAppService) : Session(), DefaultLifecycleObserver
     }
 
     override fun onCreateScreen(intent: Intent): Screen {
+        handleActionsIntent(intent)
+
         val mapScreen = MapScreen(carContext, this)
         val screens = mutableListOf<Screen>(mapScreen)
 
@@ -157,6 +160,30 @@ class EVMapSession(val cas: CarAppService) : Session(), DefaultLifecycleObserver
         return screens.last()
     }
 
+    private fun handleActionsIntent(intent: Intent): Boolean {
+        intent.data?.let {
+            if (it.host == "find_charger") {
+                val lat = it.getQueryParameter("latitude")?.toDouble()
+                val lon = it.getQueryParameter("longitude")?.toDouble()
+                val name = it.getQueryParameter("name")
+                if (lat != null && lon != null) {
+                    prefs.placeSearchResultAndroidAuto = LatLng(lat, lon)
+                    prefs.placeSearchResultAndroidAutoName = name ?: "%.4f,%.4f".format(lat, lon)
+                    return true
+                } else if (name != null) {
+                    val screenManager = carContext.getCarService(ScreenManager::class.java)
+                    screenManager.push(PlaceSearchScreen(carContext, this, name))
+                    return true
+                }
+            }
+        }
+        return false
+    }
+
+    override fun onNewIntent(intent: Intent) {
+        handleActionsIntent(intent)
+    }
+
     private fun locationPermissionGranted() = carContext.checkFineLocationPermission()
 
     private fun updateLocation(location: Location?) {

app/src/google/java/net/vonforst/evmap/auto/CarModels.kt

@@ -8,6 +8,9 @@ package net.vonforst.evmap.auto
 private val models = mapOf(
     "Audi" to mapOf(
         "516 (G4x)" to "e-tron"
+    ),
+    "Renault" to mapOf(
+        "BCB" to "Megane E-Tech"
     )
 )
 

app/src/google/java/net/vonforst/evmap/auto/ChargepriceScreen.kt

@@ -275,7 +275,7 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                     result.meta!!.map(ChargepriceMeta::class.java, ChargepriceApi.moshi)!!
                 meta = metaMapped.chargePoints.maxByOrNull { it.power }
 
-                prices = result.data!!.map { cp ->
+                prices = result.data!!.mapNotNull { cp ->
                     val filteredPrices =
                         cp.chargepointPrices.filter {
                             it.plug == chargepoint.plug && it.power == chargepoint.power
@@ -287,7 +287,7 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                             chargepointPrices = filteredPrices
                         )
                     }
-                }.filterNotNull()
+                }
                     .sortedBy { it.chargepointPrices.first().price ?: Double.MAX_VALUE }
                     .sortedByDescending {
                         prefs.chargepriceMyTariffsAll ||
@@ -352,7 +352,7 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                 } else if (vehicles.size > 1) {
                     if (modelName != null) {
                         vehicles = vehicles.filter {
-                            it.name.startsWith(modelName)
+                            it.name.lowercase().startsWith(modelName.lowercase())
                         }
                         if (vehicles.isEmpty()) {
                             throw VehicleUnknownException()

app/src/google/java/net/vonforst/evmap/auto/ChargerDetailScreen.kt

@@ -23,8 +23,8 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import net.vonforst.evmap.*
+import net.vonforst.evmap.api.availability.AvailabilityRepository
 import net.vonforst.evmap.api.availability.ChargeLocationStatus
-import net.vonforst.evmap.api.availability.getAvailability
 import net.vonforst.evmap.api.chargeprice.ChargepriceApi
 import net.vonforst.evmap.api.createApi
 import net.vonforst.evmap.api.iconForPlugType
@@ -57,6 +57,7 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
     private val db = AppDatabase.getInstance(carContext)
     private val repo =
         ChargeLocationsRepository(createApi(prefs.dataSource, ctx), lifecycleScope, db, prefs)
+    private val availabilityRepo = AvailabilityRepository(ctx)
 
     private val imageSize = 128  // images should be 128dp according to docs
     private val imageSizeLarge = 480  // images should be 480 x 480 dp according to docs
@@ -465,7 +466,7 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
 
                 invalidate()
 
-                availability = getAvailability(charger).data
+                availability = availabilityRepo.getAvailability(charger).data
 
                 invalidate()
             } else {

app/src/google/java/net/vonforst/evmap/auto/MapScreen.kt

@@ -24,8 +24,8 @@ import com.car2go.maps.model.LatLng
 import kotlinx.coroutines.*
 import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.R
+import net.vonforst.evmap.api.availability.AvailabilityRepository
 import net.vonforst.evmap.api.availability.ChargeLocationStatus
-import net.vonforst.evmap.api.availability.getAvailability
 import net.vonforst.evmap.api.createApi
 import net.vonforst.evmap.api.stringProvider
 import net.vonforst.evmap.model.ChargeLocation
@@ -79,6 +79,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
     private val db = AppDatabase.getInstance(carContext)
     private val repo =
         ChargeLocationsRepository(createApi(prefs.dataSource, ctx), lifecycleScope, db, prefs)
+    private val availabilityRepo = AvailabilityRepository(ctx)
     private val searchRadius = 5 // kilometers
     private val distanceUpdateThreshold = Duration.ofSeconds(15)
     private val availabilityUpdateThreshold = Duration.ofMinutes(1)
@@ -325,7 +326,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
             }
 
             // power
-            val power = charger.maxPower;
+            val power = charger.maxPower
             if (power != null) {
                 if (text.isNotEmpty()) text.append(" · ")
                 text.append("${power.roundToInt()} kW")
@@ -427,14 +428,15 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                 } else {
                     // try multiple search radii until we have enough chargers
                     var chargers: List<ChargeLocation>? = null
-                    for (radius in listOf(searchRadius, searchRadius * 10, searchRadius * 50)) {
+                    val radiusValues = listOf(searchRadius, searchRadius * 10, searchRadius * 50)
+                    for (radius in radiusValues) {
                         val response = repo.getChargepointsRadius(
                             searchLocation,
                             radius,
                             zoom = 16f,
                             filtersWithValue
                         ).awaitFinished()
-                        if (response.status == Status.ERROR) {
+                        if (response.status == Status.ERROR && if (radius == radiusValues.last()) response.data.isNullOrEmpty() else response.data == null) {
                             loadingError = true
                             this@MapScreen.chargers = null
                             invalidate()
@@ -577,7 +579,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
 
     override fun onItemVisibilityChanged(startIndex: Int, endIndex: Int) {
         // when the list is scrolled, load corresponding availabilities
-        if (startIndex == visibleStart && endIndex == visibleEnd && !availabilities.isEmpty()) return
+        if (startIndex == visibleStart && endIndex == visibleEnd && availabilities.isNotEmpty()) return
         if (startIndex == -1 || endIndex == -1) return
         if (availabilityUpdateCoroutine != null) return
 
@@ -606,7 +608,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                 // update only if not yet stored
                 if (!availabilities.containsKey(it.id)) {
                     lifecycleScope.async {
-                        val availability = getAvailability(it).data
+                        val availability = availabilityRepo.getAvailability(it).data
                         val date = ZonedDateTime.now()
                         availabilities[it.id] = date to availability
                     }

app/src/google/java/net/vonforst/evmap/auto/PlaceSearchScreen.kt

@@ -31,7 +31,11 @@ import java.io.IOException
 import java.time.Instant
 
 @ExperimentalCarApi
-class PlaceSearchScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx),
+class PlaceSearchScreen(
+    ctx: CarContext,
+    val session: EVMapSession,
+    val initialSearch: String = ""
+) : Screen(ctx),
     SearchTemplate.SearchCallback, LocationAwareScreen,
     DefaultLifecycleObserver {
     private val hardwareMan: CarHardwareManager by lazy {
@@ -64,13 +68,15 @@ class PlaceSearchScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx
 
     init {
         lifecycle.addObserver(this)
-        update("")
+        update(initialSearch)
     }
 
     override fun onGetTemplate(): Template {
         return SearchTemplate.Builder(this).apply {
             setHeaderAction(Action.BACK)
             setSearchHint(carContext.getString(R.string.search))
+            setInitialSearchText(initialSearch)
+            setShowKeyboardByDefault(initialSearch == "")
             resultList?.let {
                 setItemList(buildItemList(it))
             } ?: setLoading(true)

app/src/google/java/net/vonforst/evmap/auto/SearchSelectScreen.kt

@@ -86,6 +86,7 @@ abstract class MultiSelectSearchScreen<T>(ctx: CarContext) : Screen(ctx),
                 addItem(
                     Row.Builder()
                         .setTitle(getLabel(item))
+                        .apply { getDetails(item)?.let { addText(it) } }
                         .setImage(if (isSelected(item)) checkedIcon else uncheckedIcon)
                         .setOnClickListener {
                             toggleSelected(item)
@@ -130,5 +131,7 @@ abstract class MultiSelectSearchScreen<T>(ctx: CarContext) : Screen(ctx),
 
     abstract fun getLabel(it: T): String
 
+    open fun getDetails(it: T): String? = null
+
     abstract suspend fun loadData(): List<T>
 }

app/src/google/java/net/vonforst/evmap/auto/SettingsScreens.kt

@@ -390,6 +390,8 @@ class SelectVehiclesScreen(ctx: CarContext) : MultiSelectSearchScreen<Chargepric
 
     override fun getLabel(it: ChargepriceCar) = "${it.brand} ${it.name}"
 
+    override fun getDetails(it: ChargepriceCar) = it.formatSpecs()
+
     override suspend fun loadData(): List<ChargepriceCar> {
         return api.getVehicles()
     }

app/src/google/java/net/vonforst/evmap/autocomplete/GooglePlacesAutocompleteProvider.kt

@@ -38,10 +38,10 @@ class GooglePlacesAutocompleteProvider(val context: Context) : AutocompleteProvi
     ): List<AutocompletePlace> {
         val request = FindAutocompletePredictionsRequest.builder().apply {
             if (location != null) {
-                setLocationBias(calcLocationBias(location))
-                setOrigin(LatLng(location.latitude, location.longitude))
+                locationBias = calcLocationBias(location)
+                origin = LatLng(location.latitude, location.longitude)
             }
-            setSessionToken(token)
+            sessionToken = token
             setQuery(query)
         }.build()
         try {
@@ -92,10 +92,11 @@ class GooglePlacesAutocompleteProvider(val context: Context) : AutocompleteProvi
         }
     }
 
-    override fun getAttributionString(): Int = R.string.places_powered_by_google
+    override fun getAttributionString(): Int =
+        com.google.android.libraries.places.R.string.places_powered_by_google
 
     override fun getAttributionImage(dark: Boolean): Int =
-        if (dark) R.drawable.places_powered_by_google_dark else R.drawable.places_powered_by_google_light
+        if (dark) com.google.android.libraries.places.R.drawable.places_powered_by_google_dark else com.google.android.libraries.places.R.drawable.places_powered_by_google_light
 
     private fun calcLocationBias(location: com.car2go.maps.model.LatLng): RectangularBounds {
         val radius = 100e3 // meters

app/src/google/java/net/vonforst/evmap/fragment/preference/AndroidAutoSettingsFragment.kt

@@ -3,12 +3,8 @@ package net.vonforst.evmap.fragment.preference
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.view.View
-import androidx.fragment.app.viewModels
-import androidx.preference.MultiSelectListPreference
 import net.vonforst.evmap.R
 import net.vonforst.evmap.ui.RangeSliderPreference
-import net.vonforst.evmap.viewmodel.SettingsViewModel
-import net.vonforst.evmap.viewmodel.viewModelFactory
 import java.text.NumberFormat
 
 class AndroidAutoSettingsFragment : BaseSettingsFragment() {

app/src/google/res/values-fr/strings.xml

@@ -35,4 +35,6 @@
     <string name="settings_android_auto_chargeprice_range">Plage de charge pour la comparaison des prix</string>
     <string name="welcome_android_auto_detail">Vous pouvez également utiliser EVMap à partir d\'Android Auto sur les voitures prises en charge. Il suffit de sélectionner l\'application EVMap dans le menu Android Auto.</string>
     <string name="loading">Chargement…</string>
+    <string name="auto_multipage_goto">Page %d</string>
+    <string name="auto_multipage">(%d/%d)</string>
 </resources>

app/src/google/res/values-pt/strings.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="auto_no_chargers_found">Não foram encontrados carregadores próximo de si</string>
+    <string name="auto_no_favorites_found">Nenhum favorito encontrado</string>
+    <string name="opened_on_phone">Aberto no telefone</string>
+    <string name="auto_location_permission_needed">Para usar o EVMap no Android Auto, permita o acesso à sua localização.</string>
+    <string name="open_in_app">Abrir na app</string>
+    <string name="auto_vehicle_data_permission_needed">Para esta funcionalidade, o EVMap precisa de aceder aos dados do seu veículo.</string>
+    <string name="auto_chargers_closeby">Carregadores próximos</string>
+    <string name="grant_on_phone">Conceda permissões no telefone</string>
+    <string name="auto_chargers_near_location">Perto de %s</string>
+    <string name="auto_favorites">Favoritos</string>
+    <string name="auto_chargeprice_vehicle_ambiguous">Vários veículos selecionados na app correspondem a este veículo (%1$s %2$s).</string>
+    <string name="selecting_none">todos os items desmarcados</string>
+    <string name="data_sources_hint">Também pode mudar entre o Google Maps e OpenStreetMap (Mapbox) nas definições da app.</string>
+    <string name="selecting_all">todos os items selecionados</string>
+    <string name="loading">Carregando…</string>
+    <string name="auto_multipage_goto">Página %d</string>
+    <string name="auto_multipage">(%d/%d)</string>
+    <string name="settings_android_auto_chargeprice_range">Escala de carregamento para comparação de preços</string>
+    <string name="donations_info" formatted="false">Acha que o EVMap é útil\? Apoie a manutenção e desenvolvimento com uma doação para o desenvolvedor da app.
+\n
+\nA Google cobra 15% de cada doação.</string>
+    <string name="auto_location_service">O EVMap está a funcionar no Android Auto e usando a sua localização.</string>
+    <string name="auto_fault_report_date">⚠️ Problemas (%s)</string>
+    <string name="auto_no_refresh_possible">Não é possível atualizar. Por favor volte atrás e reinicie.</string>
+    <string name="auto_prices">Preços</string>
+    <string name="auto_vehicle_data">Dados do veículo</string>
+    <string name="auto_charging_level">Nível de carregamento</string>
+    <string name="auto_no_data">Não disponível</string>
+    <string name="auto_speed">Velocidade</string>
+    <string name="auto_heading">Direção</string>
+    <string name="auto_settings">Definições</string>
+    <string name="welcome_android_auto">Suporte para Android Auto</string>
+    <string name="auto_range">Alcance</string>
+    <string name="welcome_android_auto_detail">Também pode usar o EVMap no Android Auto em carros compatíveis. Basta selecionar a app EVMap no menu do Android Auto.</string>
+    <string name="auto_chargeprice_vehicle_unavailable">O EVMap não pôde determinar o modelo do seu veículo.</string>
+    <string name="auto_chargeprice_vehicle_unknown">Nenhum dos veículos selecionados na app corresponde a este veículo (%1$s %2$s).</string>
+    <string name="auto_chargers_ahead">Apenas carregadores na direção do destino</string>
+    <string name="sounds_cool">Continuar</string>
+</resources>

app/src/google/res/values-ro/strings.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources></resources>

app/src/googleAutomotive/AndroidManifest.xml

@@ -54,6 +54,13 @@
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <data android:scheme="net.vonforst.evmap" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+            </intent-filter>
 
             <meta-data
                 android:name="distractionOptimized"

app/src/googleAutomotive/res/values-pt/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="grant_on_phone">Permitir</string>
+    <string name="auto_location_permission_needed">Para usar o EVMap no seu carro, permita o acesso à sua localização.</string>
+</resources>

app/src/googleAutomotive/res/values-ro/strings.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources></resources>

app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
@@ -23,6 +24,10 @@
     <application
         android:name=".EvMapApplication"
         android:allowBackup="true"
+        android:fullBackupContent="@xml/backup_rules"
+        android:dataExtractionRules="@xml/backup_rules_api31"
+        android:fullBackupOnly="true"
+        android:backupAgent=".storage.BackupAgent"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
@@ -264,6 +269,13 @@
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <data android:scheme="net.vonforst.evmap" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+            </intent-filter>
 
             <meta-data
                 android:name="android.app.shortcuts"
@@ -278,6 +290,18 @@
                 android:name="autoStoreLocales"
                 android:value="true" />
         </service>
+
+        <provider
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
+            android:exported="false"
+            tools:node="merge">
+            <!-- Remove WorkManagerInitializer as we implement getWorkManagerConfiguration in application class -->
+            <meta-data
+                android:name="androidx.work.WorkManagerInitializer"
+                android:value="androidx.startup"
+                tools:node="remove" />
+        </provider>
     </application>
 
 </manifest>

app/src/main/java/net/vonforst/evmap/EvMapApplication.kt

@@ -1,7 +1,9 @@
 package net.vonforst.evmap
 
 import android.app.Application
-import com.facebook.stetho.Stetho
+import android.os.Build
+import androidx.work.*
+import net.vonforst.evmap.storage.CleanupCacheWorker
 import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.ui.updateAppLocale
 import net.vonforst.evmap.ui.updateNightMode
@@ -10,8 +12,9 @@ import org.acra.config.limiter
 import org.acra.config.mailSender
 import org.acra.data.StringFormat
 import org.acra.ktx.initAcra
+import java.time.Duration
 
-class EvMapApplication : Application() {
+class EvMapApplication : Application(), Configuration.Provider {
     override fun onCreate() {
         super.onCreate()
         val prefs = PreferenceDataSource(this)
@@ -24,8 +27,8 @@ class EvMapApplication : Application() {
             prefs.language = null
         }
 
-        Stetho.initializeWithDefaults(this);
         init(applicationContext)
+        addDebugInterceptors(applicationContext)
 
         if (!BuildConfig.DEBUG) {
             initAcra {
@@ -49,5 +52,20 @@ class EvMapApplication : Application() {
                 }
             }
         }
+
+        val cleanupCacheRequest = PeriodicWorkRequestBuilder<CleanupCacheWorker>(Duration.ofDays(1))
+            .setConstraints(Constraints.Builder().apply {
+                setRequiresBatteryNotLow(true)
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                    setRequiresDeviceIdle(true)
+                }
+            }.build()).build()
+        WorkManager.getInstance(this).enqueueUniquePeriodicWork(
+            "CleanupCacheWorker", ExistingPeriodicWorkPolicy.REPLACE, cleanupCacheRequest
+        )
+    }
+
+    override fun getWorkManagerConfiguration(): Configuration {
+        return Configuration.Builder().build()
     }
 }

app/src/main/java/net/vonforst/evmap/MapsActivity.kt

@@ -55,8 +55,8 @@ class MapsActivity : AppCompatActivity(),
     private lateinit var prefs: PreferenceDataSource
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
         val splashScreen = installSplashScreen()
+        super.onCreate(savedInstanceState)
 
         setContentView(R.layout.activity_maps)
 
@@ -124,7 +124,7 @@ class MapsActivity : AppCompatActivity(),
                         .setDestination(R.id.map)
                         .setArguments(MapFragmentArgs(latLng = LatLng(lat, lon)).toBundle())
                         .createPendingIntent()
-                } else if (query != null && query.isNotEmpty()) {
+                } else if (!query.isNullOrEmpty()) {
                     deepLink = navController.createDeepLink()
                         .setGraph(R.navigation.nav_graph)
                         .setDestination(R.id.map)
@@ -171,6 +171,32 @@ class MapsActivity : AppCompatActivity(),
                         .setArguments(MapFragmentArgs(chargerId = id).toBundle())
                         .createPendingIntent()
                 }
+            } else if (intent.scheme == "net.vonforst.evmap") {
+                intent.data?.let {
+                    if (it.host == "find_charger") {
+                        val lat = it.getQueryParameter("latitude")?.toDouble()
+                        val lon = it.getQueryParameter("longitude")?.toDouble()
+                        val name = it.getQueryParameter("name")
+                        if (lat != null && lon != null) {
+                            deepLink = navController.createDeepLink()
+                                .setGraph(R.navigation.nav_graph)
+                                .setDestination(R.id.map)
+                                .setArguments(
+                                    MapFragmentArgs(
+                                        latLng = LatLng(lat, lon),
+                                        locationName = name
+                                    ).toBundle()
+                                )
+                                .createPendingIntent()
+                        } else if (name != null) {
+                            deepLink = navController.createDeepLink()
+                                .setGraph(R.navigation.nav_graph)
+                                .setDestination(R.id.map)
+                                .setArguments(MapFragmentArgs(locationName = name).toBundle())
+                                .createPendingIntent()
+                        }
+                    }
+                }
             } else if (intent.hasExtra(EXTRA_CHARGER_ID)) {
                 deepLink = navController.createDeepLink()
                     .setDestination(R.id.map)
@@ -207,7 +233,7 @@ class MapsActivity : AppCompatActivity(),
         intent.data = Uri.parse("google.navigation:q=${coord.lat},${coord.lng}")
         intent.`package` = "com.google.android.apps.maps"
         if (prefs.navigateUseMaps && intent.resolveActivity(packageManager) != null) {
-            startActivity(intent);
+            startActivity(intent)
         } else {
             // fallback: generic geo intent
             showLocation(charger)
@@ -223,7 +249,7 @@ class MapsActivity : AppCompatActivity(),
             })"
         )
         if (intent.resolveActivity(packageManager) != null) {
-            startActivity(intent);
+            startActivity(intent)
         } else {
             val cb = fragmentCallback ?: return
             Snackbar.make(
@@ -262,7 +288,7 @@ class MapsActivity : AppCompatActivity(),
 
     fun shareUrl(url: String) {
         val intent = Intent(Intent.ACTION_SEND).apply {
-            setType("text/plain")
+            type = "text/plain"
             putExtra(Intent.EXTRA_TEXT, url)
         }
         startActivity(intent)

app/src/main/java/net/vonforst/evmap/adapter/DataBindingAdapters.kt

@@ -90,7 +90,7 @@ class ConnectorAdapter : DataBindingAdapter<ConnectorAdapter.ChargepointWithAvai
 class ChargepriceAdapter() :
     DataBindingAdapter<ChargePrice>() {
 
-    val viewPool = RecyclerView.RecycledViewPool();
+    val viewPool = RecyclerView.RecycledViewPool()
     var meta: ChargepriceChargepointMeta? = null
         set(value) {
             field = value

app/src/main/java/net/vonforst/evmap/adapter/DetailsAdapter.kt

@@ -1,8 +1,13 @@
 package net.vonforst.evmap.adapter
 
 import android.content.Context
+import android.graphics.Typeface
+import android.text.Spannable
+import android.text.style.StyleSpan
 import androidx.core.text.HtmlCompat
+import androidx.core.text.buildSpannedString
 import net.vonforst.evmap.R
+import net.vonforst.evmap.api.availability.TeslaGraphQlApi
 import net.vonforst.evmap.bold
 import net.vonforst.evmap.joinToSpannedString
 import net.vonforst.evmap.model.ChargeCard
@@ -10,6 +15,7 @@ import net.vonforst.evmap.model.ChargeCardId
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.model.OpeningHoursDays
 import net.vonforst.evmap.plus
+import net.vonforst.evmap.ui.currency
 import net.vonforst.evmap.utils.formatDMS
 import net.vonforst.evmap.utils.formatDecimal
 import java.time.ZoneId
@@ -41,11 +47,18 @@ fun buildDetails(
     loc: ChargeLocation?,
     chargeCards: Map<Long, ChargeCard>?,
     filteredChargeCards: Set<Long>?,
+    teslaPricing: TeslaGraphQlApi.Pricing?,
     ctx: Context
 ): List<DetailsAdapter.Detail> {
     if (loc == null) return emptyList()
 
     return listOfNotNull(
+        if (teslaPricing != null) DetailsAdapter.Detail(
+            R.drawable.ic_tesla,
+            R.string.cost,
+            formatTeslaPricing(teslaPricing, ctx),
+            formatTeslaParkingFee(teslaPricing, ctx)
+        ) else null,
         if (loc.address != null) DetailsAdapter.Detail(
             R.drawable.ic_address,
             R.string.address,
@@ -61,7 +74,8 @@ fun buildDetails(
         if (loc.network != null) DetailsAdapter.Detail(
             R.drawable.ic_network,
             R.string.network,
-            loc.network
+            loc.network,
+            clickable = loc.networkUrl != null
         ) else null,
         if (loc.faultReport != null) DetailsAdapter.Detail(
             R.drawable.ic_fault_report,
@@ -125,6 +139,128 @@ fun buildDetails(
     )
 }
 
+private fun formatTeslaParkingFee(teslaPricing: TeslaGraphQlApi.Pricing, ctx: Context) =
+    teslaPricing.memberRates?.activePricebook?.parking?.let { parkingFee ->
+        ctx.getString(
+            R.string.tesla_pricing_blocking_fee,
+            formatTeslaPricingRate(parkingFee.rates, parkingFee.currencyCode, parkingFee.uom, ctx)
+        )
+    }
+
+private fun formatTeslaPricing(teslaPricing: TeslaGraphQlApi.Pricing, ctx: Context) =
+    buildSpannedString {
+        teslaPricing.memberRates?.let { memberRates ->
+            append(
+                ctx.getString(if (teslaPricing.userRates != null) R.string.tesla_pricing_members else R.string.tesla_pricing_owners),
+                StyleSpan(Typeface.BOLD),
+                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+            )
+            append(formatTeslaPricingRates(memberRates, ctx))
+        }
+        teslaPricing.userRates?.let { userRates ->
+            append("\n\n")
+            append(
+                ctx.getString(R.string.tesla_pricing_others),
+                StyleSpan(Typeface.BOLD),
+                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+            )
+            append(formatTeslaPricingRates(userRates, ctx))
+        }
+    }
+
+private fun formatTeslaPricingRates(rates: TeslaGraphQlApi.Rates, ctx: Context) =
+    buildSpannedString {
+        val timeFmt = DateTimeFormatter.ofLocalizedTime(FormatStyle.SHORT)
+        if (rates.activePricebook.charging.touRates.enabled) {
+            // time-of-day-based rates
+            val ratesByTime = rates.activePricebook.charging.touRates.activeRatesByTime
+            val distinctRates =
+                ratesByTime.map { it.rates }.distinct().sortedByDescending { it.max() }
+            if (distinctRates.size == 2) {
+                // special case: only list periods with higher price
+                val highPriceTimes = ratesByTime.filter { it.rates == distinctRates[0] }
+                append("\n")
+                append(highPriceTimes.joinToString(", ") {
+                    timeFmt.format(it.startTime) + " - " + timeFmt.format(it.endTime)
+                } + ": ", StyleSpan(Typeface.ITALIC), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+                append(
+                    formatTeslaPricingRate(
+                        distinctRates[0],
+                        rates.activePricebook.charging.currencyCode,
+                        rates.activePricebook.charging.uom,
+                        ctx
+                    )
+                )
+                append("\n")
+                append(
+                    ctx.getString(R.string.tesla_pricing_other_times),
+                    StyleSpan(Typeface.ITALIC),
+                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+                )
+                append(" ")
+                append(
+                    formatTeslaPricingRate(
+                        distinctRates[1],
+                        rates.activePricebook.charging.currencyCode,
+                        rates.activePricebook.charging.uom,
+                        ctx
+                    )
+                )
+            } else {
+                // general case
+                ratesByTime.forEach { rate ->
+                    append("\n")
+                    append(
+                        timeFmt.format(rate.startTime) + " - " + timeFmt.format(rate.endTime) + ": ",
+                        StyleSpan(Typeface.ITALIC),
+                        Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+                    )
+                    append(
+                        formatTeslaPricingRate(
+                            rate.rates,
+                            rates.activePricebook.charging.currencyCode,
+                            rates.activePricebook.charging.uom,
+                            ctx
+                        )
+                    )
+                }
+            }
+        } else {
+            // fixed rates
+            append(" ")
+            append(
+                formatTeslaPricingRate(
+                    rates.activePricebook.charging.rates,
+                    rates.activePricebook.charging.currencyCode,
+                    rates.activePricebook.charging.uom,
+                    ctx
+                )
+            )
+        }
+    }
+
+private fun formatTeslaPricingRate(
+    rates: List<Double>,
+    currencyCode: String,
+    uom: String,
+    ctx: Context
+): String {
+    if (rates.isEmpty()) return ""
+    val rate = rates.max()
+    val value = ctx.getString(
+        when (uom) {
+            "kwh" -> R.string.charge_price_kwh_format
+            "min" -> R.string.charge_price_minute_format
+            else -> return ""
+        }, rate, currency(currencyCode)
+    )
+    return if (rates.size > 1) {
+        ctx.getString(R.string.pricing_up_to, value)
+    } else {
+        value
+    }
+}
+
 fun formatChargeCards(
     chargecards: List<ChargeCardId>,
     chargecardData: Map<Long, ChargeCard>?,

app/src/main/java/net/vonforst/evmap/adapter/GalleryAdapter.kt

@@ -5,14 +5,14 @@ import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.ViewTreeObserver.OnGlobalLayoutListener
 import android.widget.ImageView
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import coil.load
 import coil.memory.MemoryCache
-import coil.size.OriginalSize
-import coil.size.SizeResolver
+import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.R
 import net.vonforst.evmap.model.ChargerPhoto
 
@@ -37,27 +37,43 @@ class GalleryAdapter(context: Context, val itemClickListener: ItemClickListener?
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        val id = getItem(position).id
-        val url = getItem(position).getUrl(height = holder.view.height)
+        val item = getItem(position)
 
-        holder.view.load(
-            url
-        ) {
-            size(SizeResolver(OriginalSize))
-            allowHardware(false)
-            listener(
-                onSuccess = { _, metadata ->
-                    memoryKeys[id] = metadata.memoryCacheKey
+        if (holder.view.height == 0) {
+            holder.view.viewTreeObserver.addOnGlobalLayoutListener(object : OnGlobalLayoutListener {
+                override fun onGlobalLayout() {
+                    holder.view.viewTreeObserver.removeOnGlobalLayoutListener(this)
+                    loadImage(item, holder)
                 }
-            )
+            })
+        } else {
+            loadImage(item, holder)
         }
 
         if (itemClickListener != null) {
             holder.view.setOnClickListener {
-                itemClickListener.onItemClick(holder.view, position, memoryKeys[id])
+                itemClickListener.onItemClick(holder.view, position, memoryKeys[item.id])
             }
         }
     }
+
+    private fun loadImage(
+        item: ChargerPhoto,
+        holder: ViewHolder
+    ) {
+        val url = item.getUrl(height = holder.view.height)
+
+        holder.view.load(
+            url
+        ) {
+            listener(
+                onSuccess = { _, metadata ->
+                    memoryKeys[item.id] = metadata.memoryCacheKey
+                }
+            )
+            allowHardware(!BuildConfig.DEBUG)
+        }
+    }
 }
 
 class ChargerPhotoDiffCallback : DiffUtil.ItemCallback<ChargerPhoto>() {

app/src/main/java/net/vonforst/evmap/api/ChargepointApi.kt

@@ -8,23 +8,36 @@ import net.vonforst.evmap.api.goingelectric.GoingElectricApiWrapper
 import net.vonforst.evmap.api.openchargemap.OpenChargeMapApiWrapper
 import net.vonforst.evmap.model.*
 import net.vonforst.evmap.viewmodel.Resource
+import java.time.Duration
+import java.time.Instant
 
 interface ChargepointApi<out T : ReferenceData> {
+    /**
+     * Query for chargepoints within certain geographic bounds
+     */
     suspend fun getChargepoints(
         referenceData: ReferenceData,
         bounds: LatLngBounds,
         zoom: Float,
+        useClustering: Boolean,
         filters: FilterValues?
-    ): Resource<List<ChargepointListItem>>
+    ): Resource<ChargepointList>
 
+    /**
+     * Query for chargepoints within a given radius in kilometers
+     */
     suspend fun getChargepointsRadius(
         referenceData: ReferenceData,
         location: LatLng,
         radius: Int,
         zoom: Float,
+        useClustering: Boolean,
         filters: FilterValues?
-    ): Resource<List<ChargepointListItem>>
+    ): Resource<ChargepointList>
 
+    /**
+     * Fetches detailed data for a specific charging site
+     */
     suspend fun getChargepointDetail(
         referenceData: ReferenceData,
         id: Long
@@ -34,8 +47,17 @@ interface ChargepointApi<out T : ReferenceData> {
 
     fun getFilters(referenceData: ReferenceData, sp: StringProvider): List<Filter<FilterValue>>
 
+    fun convertFiltersToSQL(filters: FilterValues, referenceData: ReferenceData): FiltersSQLQuery
+
+    fun filteringInSQLRequiresDetails(filters: FilterValues): Boolean
+
     val name: String
     val id: String
+
+    /**
+     * Duration we are limited to if there is a required API local cache time limit.
+     */
+    val cacheLimit: Duration
 }
 
 interface StringProvider {
@@ -66,4 +88,16 @@ fun createApi(type: String, ctx: Context): ChargepointApi<ReferenceData> {
         }
         else -> throw IllegalArgumentException()
     }
+}
+
+data class FiltersSQLQuery(
+    val query: String,
+    val requiresChargepointQuery: Boolean,
+    val requiresChargeCardQuery: Boolean
+)
+
+data class ChargepointList(val items: List<ChargepointListItem>, val isComplete: Boolean) {
+    companion object {
+        fun empty() = ChargepointList(emptyList(), true)
+    }
 }

app/src/main/java/net/vonforst/evmap/api/RateLimitInterceptor.kt

@@ -10,7 +10,7 @@ class RateLimitInterceptor : Interceptor {
 
     override fun intercept(chain: Interceptor.Chain): Response {
         val request = chain.request()
-        if (request.url.host == "my.newmotion.com") {
+        if (request.url.host == "ui-map.shellrecharge.com") {
             // limit requests sent to NewMotion to 3 per second
             rateLimiter.acquire(1)
 

app/src/main/java/net/vonforst/evmap/api/availability/AvailabilityDetector.kt

@@ -1,14 +1,16 @@
 package net.vonforst.evmap.api.availability
 
-import com.facebook.stetho.okhttp3.StethoInterceptor
+import android.content.Context
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
+import net.vonforst.evmap.addDebugInterceptors
 import net.vonforst.evmap.api.RateLimitInterceptor
 import net.vonforst.evmap.api.await
 import net.vonforst.evmap.api.equivalentPlugTypes
 import net.vonforst.evmap.cartesianProduct
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.model.Chargepoint
+import net.vonforst.evmap.storage.EncryptedPreferenceDataStore
 import net.vonforst.evmap.viewmodel.Resource
 import okhttp3.JavaNetCookieJar
 import okhttp3.OkHttpClient
@@ -133,7 +135,9 @@ abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : Avai
 data class ChargeLocationStatus(
     val status: Map<Chargepoint, List<ChargepointStatus>>,
     val source: String,
-    val evseIds: Map<Chargepoint, List<String>>? = null
+    val evseIds: Map<Chargepoint, List<String>>? = null,
+    val congestionHistogram: List<Double>? = null,
+    val extraData: Any? = null  // API-specific data
 ) {
     fun applyFilters(connectors: Set<String>?, minPower: Int?): ChargeLocationStatus {
         val statusFiltered = status.filterKeys {
@@ -158,38 +162,41 @@ private val cookieManager = CookieManager().apply {
     setCookiePolicy(CookiePolicy.ACCEPT_ALL)
 }
 
-private val okhttp = OkHttpClient.Builder()
-    .addInterceptor(RateLimitInterceptor())
-    .addNetworkInterceptor(StethoInterceptor())
-    .readTimeout(10, TimeUnit.SECONDS)
-    .connectTimeout(10, TimeUnit.SECONDS)
-    .cookieJar(JavaNetCookieJar(cookieManager))
-    .build()
-val availabilityDetectors = listOf(
-    RheinenergieAvailabilityDetector(okhttp),
-    EnBwAvailabilityDetector(okhttp),
-    NewMotionAvailabilityDetector(okhttp)
-)
+class AvailabilityRepository(context: Context) {
+    private val okhttp = OkHttpClient.Builder()
+        .addInterceptor(RateLimitInterceptor())
+        .addDebugInterceptors()
+        .readTimeout(10, TimeUnit.SECONDS)
+        .connectTimeout(10, TimeUnit.SECONDS)
+        .cookieJar(JavaNetCookieJar(cookieManager))
+        .build()
+    private val availabilityDetectors = listOf(
+        RheinenergieAvailabilityDetector(okhttp),
+        TeslaAvailabilityDetector(okhttp, EncryptedPreferenceDataStore(context)),
+        EnBwAvailabilityDetector(okhttp),
+        NewMotionAvailabilityDetector(okhttp)
+    )
 
-suspend fun getAvailability(charger: ChargeLocation): Resource<ChargeLocationStatus> {
-    var value: Resource<ChargeLocationStatus>? = null
-    withContext(Dispatchers.IO) {
-        for (ad in availabilityDetectors) {
-            if (!ad.isChargerSupported(charger)) continue
-            try {
-                value = Resource.success(ad.getAvailability(charger))
-                break
-            } catch (e: IOException) {
-                value = Resource.error(e.message, null)
-                e.printStackTrace()
-            } catch (e: HttpException) {
-                value = Resource.error(e.message, null)
-                e.printStackTrace()
-            } catch (e: AvailabilityDetectorException) {
-                value = Resource.error(e.message, null)
-                e.printStackTrace()
+    suspend fun getAvailability(charger: ChargeLocation): Resource<ChargeLocationStatus> {
+        var value: Resource<ChargeLocationStatus>? = null
+        withContext(Dispatchers.IO) {
+            for (ad in availabilityDetectors) {
+                if (!ad.isChargerSupported(charger)) continue
+                try {
+                    value = Resource.success(ad.getAvailability(charger))
+                    break
+                } catch (e: IOException) {
+                    value = Resource.error(e.message, null)
+                    e.printStackTrace()
+                } catch (e: HttpException) {
+                    value = Resource.error(e.message, null)
+                    e.printStackTrace()
+                } catch (e: AvailabilityDetectorException) {
+                    value = Resource.error(e.message, null)
+                    e.printStackTrace()
+                }
             }
         }
+        return value ?: Resource.error(null, null)
     }
-    return value ?: Resource.error(null, null)
 }

app/src/main/java/net/vonforst/evmap/api/availability/EnBwAvailabilityDetector.kt

@@ -142,7 +142,7 @@ class EnBwAvailabilityDetector(client: OkHttpClient, baseUrl: String? = null) :
             ) < maxDistance
         }
 
-        var details = markers.filter {
+        val details = markers.filter {
             // only include stations from same operator
             it.operator == nearest.operator && it.stationId != null
         }.map {
@@ -203,30 +203,46 @@ class EnBwAvailabilityDetector(client: OkHttpClient, baseUrl: String? = null) :
         val country = charger.chargepriceData?.country
             ?: charger.address?.country ?: return false
         return when (charger.dataSource) {
-            // list of countries as of 2021/06/30, according to
-            // https://www.electrive.net/2021/06/30/enbw-expandiert-mit-ladenetz-in-drei-weitere-laender/
+            // list of countries as of 2023/04/14, according to
+            // https://www.enbw.com/elektromobilitaet/produkte/ladetarife
             "goingelectric" -> country in listOf(
                 "Deutschland",
                 "Österreich",
                 "Schweiz",
-                "Frankreich",
                 "Belgien",
-                "Niederlande",
-                "Luxemburg",
-                "Liechtenstein",
+                "Dänemark",
+                "Frankreich",
                 "Italien",
-            )
+                "Kroatien",
+                "Liechtenstein",
+                "Luxemburg",
+                "Niederlande",
+                "Polen",
+                "Schweden",
+                "Slowakei",
+                "Slowenien",
+                "Spanien",
+                "Tschechien"
+            ) && charger.network != "Tesla Supercharger"
             "openchargemap" -> country in listOf(
                 "DE",
                 "AT",
                 "CH",
-                "FR",
                 "BE",
-                "NE",
-                "LU",
+                "DK",
+                "FR",
+                "IT",
+                "HR",
                 "LI",
-                "IT"
-            )
+                "LU",
+                "NE",
+                "PL",
+                "SE",
+                "SK",
+                "SI",
+                "ES",
+                "CZ"
+            ) && charger.chargepriceData?.network !in listOf("23", "3534")
             else -> false
         }
     }

app/src/main/java/net/vonforst/evmap/api/availability/NewMotionAvailabilityDetector.kt

@@ -15,12 +15,13 @@ private const val coordRange = 0.005  // range of latitude and longitude for loa
 private const val maxDistance = 40  // max distance between reported positions in meters
 
 interface NewMotionApi {
-    @GET("markers/{lngMin}/{lngMax}/{latMin}/{latMax}")
+    @GET("markers/{lngMin}/{lngMax}/{latMin}/{latMax}/{zoom}")
     suspend fun getMarkers(
         @Path("lngMin") lngMin: Double,
         @Path("lngMax") lngMax: Double,
         @Path("latMin") latMin: Double,
-        @Path("latMax") latMax: Double
+        @Path("latMax") latMax: Double,
+        @Path("zoom") zoom: Int = 22
     ): List<NMMarker>
 
     @GET("locations/{id}")
@@ -76,7 +77,7 @@ interface NewMotionApi {
     companion object {
         fun create(client: OkHttpClient, baseUrl: String? = null): NewMotionApi {
             val retrofit = Retrofit.Builder()
-                .baseUrl(baseUrl ?: "https://my.newmotion.com/api/map/v2/")
+                .baseUrl(baseUrl ?: "https://ui-map.shellrecharge.com/api/map/v2/")
                 .addConverterFactory(MoshiConverterFactory.create())
                 .client(client)
                 .build()
@@ -181,7 +182,11 @@ class NewMotionAvailabilityDetector(client: OkHttpClient, baseUrl: String? = nul
 
     override fun isChargerSupported(charger: ChargeLocation): Boolean {
         // NewMotion is our fallback
-        return true
+        return when (charger.dataSource) {
+            "goingelectric" -> charger.network != "Tesla Supercharger"
+            "openchargemap" -> charger.chargepriceData?.network !in listOf("23", "3534")
+            else -> false
+        }
     }
 
 }

app/src/main/java/net/vonforst/evmap/api/availability/TeslaAvailabilityDetector.kt

@@ -0,0 +1,644 @@
+package net.vonforst.evmap.api.availability
+
+import android.util.Base64
+import com.squareup.moshi.FromJson
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.ToJson
+import com.squareup.moshi.adapters.PolymorphicJsonAdapterFactory
+import kotlinx.coroutines.runBlocking
+import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.model.Chargepoint
+import net.vonforst.evmap.model.Coordinate
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
+import retrofit2.converter.moshi.MoshiConverterFactory
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.POST
+import retrofit2.http.Query
+import java.io.IOException
+import java.security.MessageDigest
+import java.security.SecureRandom
+import java.time.Instant
+import java.time.LocalTime
+import java.util.Collections
+
+private const val coordRange = 0.005  // range of latitude and longitude for loading the map
+
+interface TeslaAuthenticationApi {
+    @POST("oauth2/v3/token")
+    suspend fun getToken(@Body request: OAuth2Request): OAuth2Response
+
+    @JsonClass(generateAdapter = true)
+    class AuthCodeRequest(
+        val code: String,
+        @Json(name = "code_verifier") val codeVerifier: String,
+        @Json(name = "redirect_uri") val redirectUri: String = "https://auth.tesla.com/void/callback",
+        scope: String = "openid email offline_access",
+        @Json(name = "client_id") clientId: String = "ownerapi"
+    ) : OAuth2Request(scope, clientId)
+
+    @JsonClass(generateAdapter = true)
+    class RefreshTokenRequest(
+        @Json(name = "refresh_token") val refreshToken: String,
+        scope: String = "openid email offline_access",
+        @Json(name = "client_id") clientId: String = "ownerapi"
+    ) : OAuth2Request(scope, clientId)
+
+    sealed class OAuth2Request(
+        val scope: String,
+        val clientId: String
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class OAuth2Response(
+        @Json(name = "access_token") val accessToken: String,
+        @Json(name = "token_type") val tokenType: String,
+        @Json(name = "expires_in") val expiresIn: Long,
+        @Json(name = "refresh_token") val refreshToken: String,
+    )
+
+    companion object {
+        fun create(client: OkHttpClient, baseUrl: String? = null): TeslaAuthenticationApi {
+            val retrofit = Retrofit.Builder()
+                .baseUrl(baseUrl ?: "https://auth.tesla.com")
+                .addConverterFactory(
+                    MoshiConverterFactory.create(
+                        Moshi.Builder()
+                            .add(
+                                PolymorphicJsonAdapterFactory.of(
+                                    OAuth2Request::class.java,
+                                    "grant_type"
+                                )
+                                    .withSubtype(AuthCodeRequest::class.java, "authorization_code")
+                                    .withSubtype(RefreshTokenRequest::class.java, "refresh_token")
+                                    .withDefaultValue(null)
+                            )
+                            .build()
+                    )
+                )
+                .client(client)
+                .build()
+            return retrofit.create(TeslaAuthenticationApi::class.java)
+        }
+
+        fun generateCodeVerifier(): String {
+            val code = ByteArray(64)
+            SecureRandom().nextBytes(code)
+            return Base64.encodeToString(
+                code,
+                Base64.URL_SAFE or Base64.NO_WRAP or Base64.NO_PADDING
+            )
+        }
+
+        fun generateCodeChallenge(codeVerifier: String): String {
+            val bytes = codeVerifier.toByteArray()
+            val messageDigest = MessageDigest.getInstance("SHA-256")
+            messageDigest.update(bytes, 0, bytes.size)
+            return Base64.encodeToString(
+                messageDigest.digest(),
+                Base64.URL_SAFE or Base64.NO_WRAP or Base64.NO_PADDING
+            )
+        }
+    }
+}
+
+interface TeslaOwnerApi {
+    @GET("/api/1/users/me")
+    suspend fun getUserInfo(): UserInfoResponse
+
+    @JsonClass(generateAdapter = true)
+    data class UserInfoResponse(
+        val response: UserInfo
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class UserInfo(
+        val email: String,
+        @Json(name = "full_name") val fullName: String,
+        @Json(name = "profile_image_url") val profileImageUrl: String?
+    )
+
+    companion object {
+        fun create(client: OkHttpClient, token: String, baseUrl: String? = null): TeslaOwnerApi {
+            val clientWithInterceptor = client.newBuilder()
+                .addInterceptor { chain ->
+                    // add API key to every request
+                    val request = chain.request().newBuilder()
+                        .header("Authorization", "Bearer $token")
+                        .header("User-Agent", "okhttp/4.9.2")
+                        .header("x-tesla-user-agent", "TeslaApp/4.19.5-1667/3a5d531cc3/android/27")
+                        .header("Accept", "*/*")
+                        .build()
+                    chain.proceed(request)
+                }.build()
+            val retrofit = Retrofit.Builder()
+                .baseUrl(baseUrl ?: "https://owner-api.teslamotors.com")
+                .addConverterFactory(MoshiConverterFactory.create())
+                .client(clientWithInterceptor)
+                .build()
+            return retrofit.create(TeslaOwnerApi::class.java)
+        }
+    }
+}
+
+interface TeslaGraphQlApi {
+    @POST("/graphql")
+    suspend fun getNearbyChargingSites(
+        @Body request: GetNearbyChargingSitesRequest,
+        @Query("operationName") operationName: String = "GetNearbyChargingSites",
+        @Query("deviceLanguage") deviceLanguage: String = "en",
+        @Query("deviceCountry") deviceCountry: String = "US",
+        @Query("ttpLocale") ttpLocale: String = "en_US",
+        @Query("vin") vin: String = "",
+    ): GetNearbyChargingSitesResponse
+
+    @POST("/graphql")
+    suspend fun getChargingSiteInformation(
+        @Body request: GetChargingSiteInformationRequest,
+        @Query("operationName") operationName: String = "getChargingSiteInformation",
+        @Query("deviceLanguage") deviceLanguage: String = "en",
+        @Query("deviceCountry") deviceCountry: String = "US",
+        @Query("ttpLocale") ttpLocale: String = "en_US",
+        @Query("vin") vin: String = "",
+    ): GetChargingSiteInformationResponse
+
+    @JsonClass(generateAdapter = true)
+    data class GetNearbyChargingSitesRequest(
+        override val variables: GetNearbyChargingSitesVariables,
+        override val operationName: String = "GetNearbyChargingSites",
+        override val query: String =
+            "\n    query GetNearbyChargingSites(\$args: GetNearbyChargingSitesRequestType!) {\n  charging {\n    nearbySites(args: \$args) {\n      sitesAndDistances {\n        ...ChargingNearbySitesFragment\n      }\n    }\n  }\n}\n    \n    fragment ChargingNearbySitesFragment on ChargerSiteAndDistanceType {\n  activeOutages {\n    message\n    nonTeslasAffectedOnly {\n      value\n    }\n  }\n  availableStalls {\n    value\n  }\n  centroid {\n    ...EnergySvcCoordinateTypeFields\n  }\n  drivingDistanceMiles {\n    value\n  }\n  entryPoint {\n    ...EnergySvcCoordinateTypeFields\n  }\n  haversineDistanceMiles {\n    value\n  }\n  id {\n    text\n  }\n  localizedSiteName {\n    value\n  }\n  maxPowerKw {\n    value\n  }\n  trtId {\n    value\n  }\n  totalStalls {\n    value\n  }\n  siteType\n  accessType\n  waitEstimateBucket\n  hasHighCongestion\n}\n    \n    fragment EnergySvcCoordinateTypeFields on EnergySvcCoordinateType {\n  latitude\n  longitude\n}\n    "
+    ) : GraphQlRequest()
+
+    @JsonClass(generateAdapter = true)
+    data class GetNearbyChargingSitesVariables(val args: GetNearbyChargingSitesArgs)
+
+    @JsonClass(generateAdapter = true)
+    data class GetNearbyChargingSitesArgs(
+        val userLocation: Coordinate,
+        val northwestCorner: Coordinate,
+        val southeastCorner: Coordinate,
+        val openToNonTeslasFilter: OpenToNonTeslasFilterValue,
+        val languageCode: String = "en",
+        val countryCode: String = "US",
+        //val vin: String = "",
+        //val maxCount: Int = 100
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class OpenToNonTeslasFilterValue(val value: Boolean)
+
+    @JsonClass(generateAdapter = true)
+    data class Coordinate(val latitude: Double, val longitude: Double)
+
+    @JsonClass(generateAdapter = true)
+    data class GetChargingSiteInformationRequest(
+        override val variables: GetChargingSiteInformationVariables,
+        override val operationName: String = "getChargingSiteInformation",
+        override val query: String =
+            "\n    query getChargingSiteInformation(\$id: ChargingSiteIdentifierInputType!, \$vehicleMakeType: ChargingVehicleMakeTypeEnum, \$deviceCountry: String!, \$deviceLanguage: String!) {\n  charging {\n    site(\n      id: \$id\n      deviceCountry: \$deviceCountry\n      deviceLanguage: \$deviceLanguage\n      vehicleMakeType: \$vehicleMakeType\n    ) {\n      siteStatic {\n        ...SiteStaticFragmentNoHoldAmt\n      }\n      siteDynamic {\n        ...SiteDynamicFragment\n      }\n      pricing(vehicleMakeType: \$vehicleMakeType) {\n        userRates {\n          ...ChargingActiveRateFragment\n        }\n        memberRates {\n          ...ChargingActiveRateFragment\n        }\n        hasMembershipPricing\n        hasMSPPricing\n        canDisplayCombinedComparison\n      }\n      holdAmount(vehicleMakeType: \$vehicleMakeType) {\n        currencyCode\n        holdAmount\n      }\n      congestionPriceHistogram(vehicleMakeType: \$vehicleMakeType) {\n        ...CongestionPriceHistogramFragment\n      }\n    }\n  }\n}\n    \n    fragment SiteStaticFragmentNoHoldAmt on ChargingSiteStaticType {\n  address {\n    ...AddressFragment\n  }\n  amenities\n  centroid {\n    ...EnergySvcCoordinateTypeFields\n  }\n  entryPoint {\n    ...EnergySvcCoordinateTypeFields\n  }\n  id {\n    text\n  }\n  accessCode {\n    value\n  }\n  localizedSiteName {\n    value\n  }\n  maxPowerKw {\n    value\n  }\n  name\n  openToPublic\n  chargers {\n    id {\n      text\n    }\n    label {\n      value\n    }\n  }\n  publicStallCount\n  timeZone {\n    id\n    version\n  }\n  fastchargeSiteId {\n    value\n  }\n  siteType\n  accessType\n  isMagicDockSupportedSite\n  trtId {\n    value\n  }\n}\n    \n    fragment AddressFragment on EnergySvcAddressType {\n  streetNumber {\n    value\n  }\n  street {\n    value\n  }\n  district {\n    value\n  }\n  city {\n    value\n  }\n  state {\n    value\n  }\n  postalCode {\n    value\n  }\n  country\n}\n    \n\n    fragment EnergySvcCoordinateTypeFields on EnergySvcCoordinateType {\n  latitude\n  longitude\n}\n    \n\n    fragment SiteDynamicFragment on ChargingSiteDynamicType {\n  id {\n    text\n  }\n  activeOutages {\n    message\n    nonTeslasAffectedOnly {\n      value\n    }\n  }\n  chargersAvailable {\n    value\n  }\n  chargerDetails {\n    charger {\n      id {\n        text\n      }\n      label {\n        value\n      }\n      name\n    }\n    availability\n  }\n  waitEstimateBucket\n  currentCongestion\n}\n    \n\n    fragment ChargingActiveRateFragment on ChargingActiveRateType {\n  activePricebook {\n    charging {\n      ...ChargingUserRateFragment\n    }\n    parking {\n      ...ChargingUserRateFragment\n    }\n    priceBookID\n  }\n}\n    \n    fragment ChargingUserRateFragment on ChargingUserRateType {\n  currencyCode\n  programType\n  rates\n  buckets {\n    start\n    end\n  }\n  bucketUom\n  touRates {\n    enabled\n    activeRatesByTime {\n      startTime\n      endTime\n      rates\n    }\n  }\n  uom\n  vehicleMakeType\n}\n    \n\n    fragment CongestionPriceHistogramFragment on HistogramData {\n  axisLabels {\n    index\n    value\n  }\n  regionLabels {\n    index\n    value {\n      ...ChargingPriceFragment\n      ... on HistogramRegionLabelValueString {\n        value\n      }\n    }\n  }\n  chargingUom\n  parkingUom\n  parkingRate {\n    ...ChargingPriceFragment\n  }\n  data\n  activeBar\n  maxRateIndex\n  whenRateChanges\n  dataAttributes {\n    congestionThreshold\n    label\n  }\n}\n    \n    fragment ChargingPriceFragment on ChargingPrice {\n  currencyCode\n  price\n}\n"
+    ) : GraphQlRequest()
+
+    @JsonClass(generateAdapter = true)
+    data class GetChargingSiteInformationVariables(
+        val id: ChargingSiteIdentifier,
+        val vehicleMakeType: VehicleMakeType,
+        val deviceLanguage: String = "en",
+        val deviceCountry: String = "US",
+        val ttpLocale: String = "en_US"
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class ChargingSiteIdentifier(
+        val id: String,
+        val type: ChargingSiteIdentifierType = ChargingSiteIdentifierType.SITE_ID
+    )
+
+    enum class ChargingSiteIdentifierType {
+        SITE_ID
+    }
+
+    enum class VehicleMakeType {
+        TESLA, NON_TESLA
+    }
+
+    sealed class GraphQlRequest {
+        abstract val operationName: String
+        abstract val query: String
+        abstract val variables: Any?
+    }
+
+    @JsonClass(generateAdapter = true)
+    data class GetNearbyChargingSitesResponse(val data: GetNearbyChargingSitesResponseData)
+
+    @JsonClass(generateAdapter = true)
+    data class GetNearbyChargingSitesResponseData(val charging: GetNearbyChargingSitesResponseDataCharging)
+
+    @JsonClass(generateAdapter = true)
+    data class GetNearbyChargingSitesResponseDataCharging(val nearbySites: GetNearbyChargingSitesResponseDataChargingNearbySites)
+
+    @JsonClass(generateAdapter = true)
+    data class GetNearbyChargingSitesResponseDataChargingNearbySites(val sitesAndDistances: List<ChargingSite>)
+
+    @JsonClass(generateAdapter = true)
+    data class ChargingSite(
+        val activeOutages: List<Outage>,
+        val availableStalls: Value<Int>?,
+        val centroid: Coordinate,
+        val drivingDistanceMiles: Value<Double>?,
+        val entryPoint: Coordinate,
+        val haversineDistanceMiles: Value<Double>,
+        val id: Text,
+        val localizedSiteName: Value<String>,
+        val maxPowerKw: Value<Int>,
+        val totalStalls: Value<Int>
+        // TODO: siteType, accessType
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class Outage(val message: String /* TODO: */)
+
+    @JsonClass(generateAdapter = true)
+    data class Value<T : Any>(val value: T)
+
+    @JsonClass(generateAdapter = true)
+    data class Text(val text: String)
+
+    @JsonClass(generateAdapter = true)
+    data class GetChargingSiteInformationResponse(val data: GetChargingSiteInformationResponseData)
+
+    @JsonClass(generateAdapter = true)
+    data class GetChargingSiteInformationResponseData(val charging: GetChargingSiteInformationResponseDataCharging)
+
+    @JsonClass(generateAdapter = true)
+    data class GetChargingSiteInformationResponseDataCharging(val site: ChargingSiteInformation)
+
+    @JsonClass(generateAdapter = true)
+    data class ChargingSiteInformation(
+        val siteDynamic: SiteDynamic,
+        val siteStatic: SiteStatic,
+        val pricing: Pricing,
+        val congestionPriceHistogram: CongestionPriceHistogram?,
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class SiteDynamic(
+        val activeOutages: List<Outage>,
+        val chargerDetails: List<ChargerDetail>,
+        val chargersAvailable: Value<Int>?,
+        val currentCongestion: Double,
+        val id: Text,
+        val waitEstimateBucket: WaitEstimateBucket
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class ChargerDetail(
+        val availability: ChargerAvailability,
+        val charger: ChargerId
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class ChargerId(
+        val id: Text,
+        val label: Value<String>,
+        val name: String?
+    ) {
+        val labelNumber
+            get() = label.value.replace(Regex("""\D"""), "").toInt()
+        val labelLetter
+            get() = label.value.replace(Regex("""\d"""), "")
+    }
+
+    @JsonClass(generateAdapter = true)
+    data class SiteStatic(
+        val accessCode: Value<String>?,
+        val centroid: Coordinate,
+        val chargers: List<ChargerId>,
+        val entryPoint: Coordinate,
+        val fastchargeSiteId: Value<Long>,
+        val id: Text,
+        val isMagicDockSupportedSite: Boolean,
+        val localizedSiteName: Value<String>,
+        val maxPowerKw: Value<Int>,
+        val name: String,
+        val openToPublic: Boolean,
+        val publicStallCount: Int
+        // TODO: siteType, accessType, address, amenities, timeZone
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class Pricing(
+        val canDisplayCombinedComparison: Boolean,
+        val hasMSPPricing: Boolean,
+        val hasMembershipPricing: Boolean,
+        val memberRates: Rates?, // rates for Tesla drivers & non-Tesla drivers with subscription
+        val userRates: Rates?    // rates without subscription
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class Rates(
+        val activePricebook: Pricebook
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class Pricebook(
+        val charging: PricebookDetails,
+        val parking: PricebookDetails,
+        val priceBookID: Long
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class PricebookDetails(
+        val bucketUom: String,  // unit of measurement for buckets (typically "kw")
+        val buckets: List<Bucket>,  // buckets of charging power (used for minute-based pricing)
+        val currencyCode: String,
+        val programType: String,
+        val rates: List<Double>,
+        val touRates: TouRates,
+        val uom: String,  // unit of measurement ("kwh" or "min")
+        val vehicleMakeType: String
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class Bucket(
+        val start: Int,
+        val end: Int
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class TouRates(
+        val activeRatesByTime: List<ActiveRatesByTime>,
+        val enabled: Boolean
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class ActiveRatesByTime(
+        val startTime: LocalTime,
+        val endTime: LocalTime,
+        val rates: List<Double>
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class CongestionPriceHistogram(
+        val data: List<Double>,
+        val dataAttributes: List<CongestionHistogramDataAttributes>
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class CongestionHistogramDataAttributes(
+        val congestionThreshold: String,  // "LEVEL_1"
+        val label: String  // "1AM", "2AM", etc.
+    )
+
+    enum class ChargerAvailability {
+        @Json(name = "CHARGER_AVAILABILITY_AVAILABLE")
+        AVAILABLE,
+
+        @Json(name = "CHARGER_AVAILABILITY_OCCUPIED")
+        OCCUPIED,
+
+        @Json(name = "CHARGER_AVAILABILITY_DOWN")
+        DOWN,
+        @Json(name = "CHARGER_AVAILABILITY_UNKNOWN")
+        UNKNOWN;
+
+        fun toStatus() = when (this) {
+            AVAILABLE -> ChargepointStatus.AVAILABLE
+            OCCUPIED -> ChargepointStatus.OCCUPIED
+            DOWN -> ChargepointStatus.FAULTED
+            UNKNOWN -> ChargepointStatus.UNKNOWN
+        }
+    }
+
+    enum class WaitEstimateBucket {
+        @Json(name = "WAIT_ESTIMATE_BUCKET_NO_WAIT")
+        NO_WAIT,
+
+        @Json(name = "WAIT_ESTIMATE_BUCKET_LESS_THAN_5_MINUTES")
+        LESS_THAN_5_MINUTES,
+
+        @Json(name = "WAIT_ESTIMATE_BUCKET_APPROXIMATELY_5_MINUTES")
+        APPROXIMATELY_5_MINUTES,
+
+        @Json(name = "WAIT_ESTIMATE_BUCKET_APPROXIMATELY_10_MINUTES")
+        APPROXIMATELY_10_MINUTES,
+
+        @Json(name = "WAIT_ESTIMATE_BUCKET_APPROXIMATELY_15_MINUTES")
+        APPROXIMATELY_15_MINUTES,
+
+        @Json(name = "WAIT_ESTIMATE_BUCKET_APPROXIMATELY_20_MINUTES")
+        APPROXIMATELY_20_MINUTES,
+
+        @Json(name = "WAIT_ESTIMATE_BUCKET_UNKNOWN")
+        UNKNOWN
+    }
+
+    companion object {
+        fun create(
+            client: OkHttpClient,
+            baseUrl: String? = null,
+            token: suspend () -> String
+        ): TeslaGraphQlApi {
+            val clientWithInterceptor = client.newBuilder()
+                .addInterceptor { chain ->
+                    val t = runBlocking { token() }
+                    // add API key to every request
+                    val request = chain.request().newBuilder()
+                        .header("Authorization", "Bearer $t")
+                        .header("User-Agent", "okhttp/4.9.2")
+                        .header("x-tesla-user-agent", "TeslaApp/4.19.5-1667/3a5d531cc3/android/27")
+                        .header("Accept", "*/*")
+                        .build()
+                    chain.proceed(request)
+                }.build()
+            val retrofit = Retrofit.Builder()
+                .baseUrl(baseUrl ?: "https://akamai-apigateway-charging-ownership.tesla.com")
+                .addConverterFactory(
+                    MoshiConverterFactory.create(
+                        Moshi.Builder().add(LocalTimeAdapter()).build()
+                    )
+                )
+                .client(clientWithInterceptor)
+                .build()
+            return retrofit.create(TeslaGraphQlApi::class.java)
+        }
+    }
+}
+
+internal class LocalTimeAdapter {
+    @FromJson
+    fun fromJson(value: String?): LocalTime? = value?.let {
+        if (it == "24:00") LocalTime.MAX else LocalTime.parse(it)
+    }
+
+    @ToJson
+    fun toJson(value: LocalTime?): String? = value?.toString()
+}
+
+fun Coordinate.asTeslaCoord() =
+    TeslaGraphQlApi.Coordinate(this.lat, this.lng)
+
+class TeslaAvailabilityDetector(
+    private val client: OkHttpClient,
+    private val tokenStore: TokenStore,
+    private val baseUrl: String? = null
+) :
+    BaseAvailabilityDetector(client) {
+
+    private val authApi = TeslaAuthenticationApi.create(client, null)
+    private var api: TeslaGraphQlApi? = null
+
+    interface TokenStore {
+        var teslaRefreshToken: String?
+        var teslaAccessToken: String?
+        var teslaAccessTokenExpiry: Long
+    }
+
+    override suspend fun getAvailability(location: ChargeLocation): ChargeLocationStatus {
+        val api = initApi()
+        val req = TeslaGraphQlApi.GetNearbyChargingSitesRequest(
+            TeslaGraphQlApi.GetNearbyChargingSitesVariables(
+                TeslaGraphQlApi.GetNearbyChargingSitesArgs(
+                    location.coordinates.asTeslaCoord(),
+                    TeslaGraphQlApi.Coordinate(
+                        location.coordinates.lat + coordRange,
+                        location.coordinates.lng - coordRange
+                    ),
+                    TeslaGraphQlApi.Coordinate(
+                        location.coordinates.lat - coordRange,
+                        location.coordinates.lng + coordRange
+                    ),
+                    TeslaGraphQlApi.OpenToNonTeslasFilterValue(false)
+                )
+            )
+        )
+        val results = api.getNearbyChargingSites(
+            req,
+            req.operationName
+        ).data.charging.nearbySites.sitesAndDistances
+        val result =
+            results.minByOrNull { it.haversineDistanceMiles.value }
+                ?: throw AvailabilityDetectorException("no candidates found.")
+
+        val details = api.getChargingSiteInformation(
+            TeslaGraphQlApi.GetChargingSiteInformationRequest(
+                TeslaGraphQlApi.GetChargingSiteInformationVariables(
+                    TeslaGraphQlApi.ChargingSiteIdentifier(result.id.text),
+                    TeslaGraphQlApi.VehicleMakeType.NON_TESLA
+                )
+            )
+        ).data.charging.site
+
+
+        val scV2Connectors = location.chargepoints.filter { it.type == Chargepoint.SUPERCHARGER }
+        val scV2CCSConnectors = location.chargepoints.filter {
+            it.type in listOf(
+                Chargepoint.CCS_TYPE_2,
+                Chargepoint.CCS_UNKNOWN
+            ) && it.power != null && it.power <= 150
+        }
+        if (scV2CCSConnectors.sumOf { it.count } != 0 && scV2CCSConnectors.sumOf { it.count } != scV2Connectors.sumOf { it.count }) {
+            throw AvailabilityDetectorException("number of V2 connectors does not match number of V2 CCS connectors")
+        }
+        val scV3Connectors = location.chargepoints.filter {
+            it.type in listOf(
+                Chargepoint.CCS_TYPE_2,
+                Chargepoint.CCS_UNKNOWN
+            ) && it.power != null && it.power > 150
+        }
+        if (location.totalChargepoints != scV2Connectors.sumOf { it.count } + scV3Connectors.sumOf { it.count } + scV2CCSConnectors.sumOf { it.count }) throw AvailabilityDetectorException(
+            "charger has unknown connectors"
+        )
+
+        var statusSorted = details.siteDynamic.chargerDetails.sortedBy { it.charger.labelLetter }
+            .sortedBy { it.charger.labelNumber }.map { it.availability }
+        if (statusSorted.size != scV2Connectors.sumOf { it.count } + scV3Connectors.sumOf { it.count }) {
+            // apparently some connectors are missing in Tesla data
+            // If we have just one type of charger, we can still match
+            val numMissing =
+                scV2Connectors.sumOf { it.count } + scV3Connectors.sumOf { it.count } - statusSorted.size
+            if (scV2Connectors.isEmpty() || scV3Connectors.isEmpty() && numMissing > 0) {
+                statusSorted =
+                    statusSorted + List(numMissing) { TeslaGraphQlApi.ChargerAvailability.UNKNOWN }
+            } else {
+                throw AvailabilityDetectorException("Tesla API chargepoints do not match data source")
+            }
+        }
+
+        val statusMap = emptyMap<Chargepoint, List<ChargepointStatus>>().toMutableMap()
+        var i = 0
+        for (connector in scV2Connectors) {
+            statusMap[connector] =
+                statusSorted.subList(i, i + connector.count).map { it.toStatus() }
+            i += connector.count
+        }
+        if (scV2CCSConnectors.isNotEmpty()) {
+            i = 0
+            for (connector in scV2CCSConnectors) {
+                statusMap[connector] =
+                    statusSorted.subList(i, i + connector.count).map { it.toStatus() }
+                i += connector.count
+            }
+        }
+        for (connector in scV3Connectors) {
+            statusMap[connector] =
+                statusSorted.subList(i, i + connector.count).map { it.toStatus() }
+            i += connector.count
+        }
+
+        val congestionHistogram = details.congestionPriceHistogram?.let { cph ->
+            val indexOfMidnight = cph.dataAttributes.indexOfFirst { it.label == "12AM" }
+            indexOfMidnight.takeIf { it >= 0 }?.let { index ->
+                val data = cph.data.toMutableList()
+                Collections.rotate(data, -index)
+                data
+            }
+        }
+
+        return ChargeLocationStatus(
+            statusMap,
+            "Tesla",
+            congestionHistogram = congestionHistogram,
+            extraData = details.pricing
+        )
+    }
+
+    override fun isChargerSupported(charger: ChargeLocation): Boolean {
+        return when (charger.dataSource) {
+            "goingelectric" -> charger.network == "Tesla Supercharger"
+            "openchargemap" -> charger.chargepriceData?.network in listOf("23", "3534")
+            else -> false
+        }
+    }
+
+    private suspend fun initApi(): TeslaGraphQlApi {
+
+        return api ?: run {
+            val newApi = TeslaGraphQlApi.create(client, baseUrl) {
+                val now = Instant.now().epochSecond
+                val token =
+                    tokenStore.teslaAccessToken.takeIf { tokenStore.teslaAccessTokenExpiry > now }
+                        ?: run {
+                            val refreshToken = tokenStore.teslaRefreshToken
+                                ?: throw IOException("not signed in")
+                            val response =
+                                authApi.getToken(
+                                    TeslaAuthenticationApi.RefreshTokenRequest(
+                                        refreshToken
+                                    )
+                                )
+                            tokenStore.teslaAccessToken = response.accessToken
+                            tokenStore.teslaAccessTokenExpiry = now + response.expiresIn
+                            response.accessToken
+                        }
+                token
+            }
+            api = newApi
+            newApi
+        }
+    }
+
+}

app/src/main/java/net/vonforst/evmap/api/chargeprice/ChargepriceApi.kt

@@ -1,13 +1,13 @@
 package net.vonforst.evmap.api.chargeprice
 
 import android.content.Context
-import com.facebook.stetho.okhttp3.StethoInterceptor
 import com.squareup.moshi.Moshi
 import com.squareup.moshi.adapters.PolymorphicJsonAdapterFactory
 import jsonapi.Document
 import jsonapi.JsonApiFactory
 import jsonapi.retrofit.DocumentConverterFactory
 import net.vonforst.evmap.BuildConfig
+import net.vonforst.evmap.addDebugInterceptors
 import net.vonforst.evmap.model.ChargeLocation
 import okhttp3.Cache
 import okhttp3.OkHttpClient
@@ -77,10 +77,10 @@ interface ChargepriceApi {
                     chain.proceed(new)
                 }
                 if (BuildConfig.DEBUG) {
-                    addNetworkInterceptor(StethoInterceptor())
+                    addDebugInterceptors()
                 }
                 if (context != null) {
-                    cache(Cache(context.getCacheDir(), cacheSize))
+                    cache(Cache(context.cacheDir, cacheSize))
                 }
             }.build()
 
@@ -127,14 +127,16 @@ interface ChargepriceApi {
                 charger.chargepriceData?.country?.let { isCountrySupported(it, charger.dataSource) }
                     ?: false
             val networkSupported = charger.chargepriceData?.network?.let {
-                if (charger.dataSource == "openchargemap") {
-                    it !in listOf(
+                when (charger.dataSource) {
+                    "openchargemap" -> it !in listOf(
                         "1", // unknown operator
                         "44", // private residence/individual
-                        "45"  // business owner at location
+                        "45",  // business owner at location
+                        "23", "3534" // Tesla
                     )
-                } else {
-                    true
+
+                    "goingelectric" -> it != "Tesla Supercharger"
+                    else -> true
                 }
             } ?: false
             val powerAvailable = charger.chargepoints.all { it.hasKnownPower() }

app/src/main/java/net/vonforst/evmap/api/chargeprice/ChargepriceModel.kt

@@ -114,8 +114,26 @@ data class ChargepriceCar(
     val brand: String,
 
     @Json(name = "dc_charge_ports")
-    val dcChargePorts: List<String>
+    val dcChargePorts: List<String>,
+
+    @Json(name = "usable_battery_size")
+    val usableBatterySize: Float,
+
+    @Json(name = "ac_max_power")
+    val acMaxPower: Float,
+
+    @Json(name = "dc_max_power")
+    val dcMaxPower: Float?
 ) : Equatable, Parcelable {
+    fun formatSpecs(): String = buildString {
+        append("%.0f kWh".format(usableBatterySize))
+        append(" | ")
+        append("AC %.0f kW".format(acMaxPower))
+        dcMaxPower?.let {
+            append(" | ")
+            append("DC %.0f kW".format(it))
+        }
+    }
 
     companion object {
         private val acConnectors = listOf(
@@ -139,9 +157,9 @@ data class ChargepriceCar(
         get() = id_!!
 
     val compatibleEvmapConnectors: List<String>
-        get() = dcChargePorts.map {
+        get() = dcChargePorts.mapNotNull {
             plugMapping[it]
-        }.filterNotNull().plus(acConnectors)
+        }.plus(acConnectors)
 }
 
 @JsonClass(generateAdapter = true)
@@ -210,7 +228,7 @@ internal object RelationshipsParceler : Parceler<Relationships?> {
         if (parcel.readInt() == 0) return null
 
         val nMembers = parcel.readInt()
-        val members = (0 until nMembers).map { _ ->
+        val members = (0 until nMembers).associate { _ ->
             val key = parcel.readString()!!
             val value = if (parcel.readInt() == 0) {
                 val type = parcel.readString()
@@ -229,7 +247,7 @@ internal object RelationshipsParceler : Parceler<Relationships?> {
                 Relationship.ToMany(ris)
             }
             key to value
-        }.toMap()
+        }
 
         return Relationships(members)
     }
@@ -281,12 +299,12 @@ data class ChargepointPrice(
         }
 
         fun time(value: Int): String {
-            val h = floor(value.toDouble() / 60).toInt();
-            val min = ceil(value.toDouble() % 60).toInt();
-            if (h == 0 && min > 0) return "${min}min";
+            val h = floor(value.toDouble() / 60).toInt()
+            val min = ceil(value.toDouble() % 60).toInt()
+            return if (h == 0 && min > 0) "${min}min";
             // be slightly sloppy (3:01 is shown as 3h) to save space
-            else if (h > 0 && (min == 0 || min == 1)) return "${h}h";
-            else return "%d:%02dh".format(h, min);
+            else if (h > 0 && (min == 0 || min == 1)) "${h}h";
+            else "%d:%02dh".format(h, min)
         }
 
         // based on https://github.com/chargeprice/chargeprice-client/blob/d420bb2f216d9ad91a210a36dd0859a368a8229a/src/views/priceList.js

app/src/main/java/net/vonforst/evmap/api/fronyx/FronyxApiRetrofit.kt

@@ -1,9 +1,9 @@
 package net.vonforst.evmap.api.fronyx
 
 import android.content.Context
-import com.facebook.stetho.okhttp3.StethoInterceptor
 import com.squareup.moshi.Moshi
 import net.vonforst.evmap.BuildConfig
+import net.vonforst.evmap.addDebugInterceptors
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.model.Chargepoint
 import okhttp3.Cache
@@ -49,10 +49,10 @@ private interface FronyxApiRetrofit {
                     chain.proceed(new)
                 }
                 if (BuildConfig.DEBUG) {
-                    addNetworkInterceptor(StethoInterceptor())
+                    addDebugInterceptors()
                 }
                 if (context != null) {
-                    cache(Cache(context.getCacheDir(), cacheSize))
+                    cache(Cache(context.cacheDir, cacheSize))
                 }
             }.build()
 

app/src/main/java/net/vonforst/evmap/api/goingelectric/GoingElectricAdapters.kt

@@ -5,6 +5,7 @@ import com.squareup.moshi.*
 import java.lang.reflect.Type
 import java.time.Instant
 import java.time.LocalTime
+import java.time.format.DateTimeParseException
 
 
 internal class ChargepointListItemJsonAdapterFactory : JsonAdapter.Factory {
@@ -13,12 +14,12 @@ internal class ChargepointListItemJsonAdapterFactory : JsonAdapter.Factory {
         annotations: MutableSet<out Annotation>,
         moshi: Moshi
     ): JsonAdapter<*>? {
-        if (Types.getRawType(type) == GEChargepointListItem::class.java) {
-            return ChargepointListItemJsonAdapter(
+        return if (Types.getRawType(type) == GEChargepointListItem::class.java) {
+            ChargepointListItemJsonAdapter(
                 moshi
             )
         } else {
-            return null
+            null
         }
     }
 
@@ -95,7 +96,7 @@ internal class JsonObjectOrFalseAdapter<T> private constructor(
             false -> null // Response was false
             else -> {
                 if (this.clazz == GEFaultReport::class.java) {
-                    GEFaultReport(null, null) as T
+                    GEFaultReport(null, "") as T
                 } else {
                     throw IllegalStateException("Non-false boolean for @JsonObjectOrFalse field")
                 }
@@ -138,7 +139,12 @@ internal class HoursAdapter {
                 val end = if (match.groupValues[2] == "24:00") {
                     LocalTime.MAX
                 } else {
-                    LocalTime.parse(match.groupValues[2])
+                    try {
+                        LocalTime.parse(match.groupValues[2])
+                    } catch (e: DateTimeParseException) {
+                        // got a rare bug report where the value is 24:0000
+                        LocalTime.MIN
+                    }
                 }
                 return GEHours(start, end)
             } else {

app/src/main/java/net/vonforst/evmap/api/goingelectric/GoingElectricApi.kt

@@ -1,9 +1,9 @@
 package net.vonforst.evmap.api.goingelectric
 
 import android.content.Context
+import android.database.DatabaseUtils
 import com.car2go.maps.model.LatLng
 import com.car2go.maps.model.LatLngBounds
-import com.facebook.stetho.okhttp3.StethoInterceptor
 import com.squareup.moshi.Moshi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
@@ -11,9 +11,9 @@ import kotlinx.coroutines.supervisorScope
 import kotlinx.coroutines.withContext
 import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.R
+import net.vonforst.evmap.addDebugInterceptors
 import net.vonforst.evmap.api.*
 import net.vonforst.evmap.model.*
-import net.vonforst.evmap.ui.cluster
 import net.vonforst.evmap.viewmodel.Resource
 import net.vonforst.evmap.viewmodel.getClusterDistance
 import okhttp3.Cache
@@ -23,6 +23,7 @@ import retrofit2.Retrofit
 import retrofit2.converter.moshi.MoshiConverterFactory
 import retrofit2.http.*
 import java.io.IOException
+import java.time.Duration
 
 interface GoingElectricApi {
     @FormUrlEncoded
@@ -104,10 +105,10 @@ interface GoingElectricApi {
                     chain.proceed(original)
                 }
                 if (BuildConfig.DEBUG) {
-                    addNetworkInterceptor(StethoInterceptor())
+                    addDebugInterceptors()
                 }
                 if (context != null) {
-                    cache(Cache(context.getCacheDir(), cacheSize))
+                    cache(Cache(context.cacheDir, cacheSize))
                 }
             }.build()
 
@@ -126,18 +127,19 @@ class GoingElectricApiWrapper(
     baseurl: String = "https://api.goingelectric.de",
     context: Context? = null
 ) : ChargepointApi<GEReferenceData> {
-    private val clusterThreshold = 11f
     val api = GoingElectricApi.create(apikey, baseurl, context)
 
     override val name = "GoingElectric.de"
-    override val id = "going_electric"
+    override val id = "goingelectric"
+    override val cacheLimit = Duration.ofDays(1)
 
     override suspend fun getChargepoints(
         referenceData: ReferenceData,
         bounds: LatLngBounds,
         zoom: Float,
+        useClustering: Boolean,
         filters: FilterValues?
-    ): Resource<List<ChargepointListItem>> {
+    ): Resource<ChargepointList> {
         val freecharging = filters?.getBooleanValue("freecharging")
         val freeparking = filters?.getBooleanValue("freeparking")
         val open247 = filters?.getBooleanValue("open_247")
@@ -146,36 +148,35 @@ class GoingElectricApiWrapper(
         val minPower = filters?.getSliderValue("min_power")
         val minConnectors = filters?.getSliderValue("min_connectors")
 
-        var connectorsVal = filters?.getMultipleChoiceValue("connectors")
+        val connectorsVal = filters?.getMultipleChoiceValue("connectors")
         if (connectorsVal != null && connectorsVal.values.isEmpty() && !connectorsVal.all) {
             // no connectors chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val connectors = formatMultipleChoice(connectorsVal)
 
         val chargeCardsVal = filters?.getMultipleChoiceValue("chargecards")
         if (chargeCardsVal != null && chargeCardsVal.values.isEmpty() && !chargeCardsVal.all) {
             // no chargeCards chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val chargeCards = formatMultipleChoice(chargeCardsVal)
 
         val networksVal = filters?.getMultipleChoiceValue("networks")
         if (networksVal != null && networksVal.values.isEmpty() && !networksVal.all) {
             // no networks chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val networks = formatMultipleChoice(networksVal)
 
         val categoriesVal = filters?.getMultipleChoiceValue("categories")
         if (categoriesVal != null && categoriesVal.values.isEmpty() && !categoriesVal.all) {
             // no categories chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val categories = formatMultipleChoice(categoriesVal)
 
         // do not use clustering if filters need to be applied locally.
-        val useClustering = zoom < clusterThreshold
         val geClusteringAvailable = minConnectors == null || minConnectors <= 1
         val useGeClustering = useClustering && geClusteringAvailable
         val clusterDistance = if (useClustering) getClusterDistance(zoom) else null
@@ -217,9 +218,9 @@ class GoingElectricApiWrapper(
             }
         } while (startkey != null && startkey < 10000)
 
-        var result = postprocessResult(data, minPower, connectorsVal, minConnectors, zoom)
+        val result = postprocessResult(data, filters)
 
-        return Resource.success(result)
+        return Resource.success(ChargepointList(result, startkey == null))
     }
 
     private fun formatMultipleChoice(value: MultipleChoiceFilterValue?) =
@@ -230,8 +231,9 @@ class GoingElectricApiWrapper(
         location: LatLng,
         radius: Int,
         zoom: Float,
+        useClustering: Boolean,
         filters: FilterValues?
-    ): Resource<List<ChargepointListItem>> {
+    ): Resource<ChargepointList> {
         val freecharging = filters?.getBooleanValue("freecharging")
         val freeparking = filters?.getBooleanValue("freeparking")
         val open247 = filters?.getBooleanValue("open_247")
@@ -240,36 +242,35 @@ class GoingElectricApiWrapper(
         val minPower = filters?.getSliderValue("min_power")
         val minConnectors = filters?.getSliderValue("min_connectors")
 
-        var connectorsVal = filters?.getMultipleChoiceValue("connectors")
+        val connectorsVal = filters?.getMultipleChoiceValue("connectors")
         if (connectorsVal != null && connectorsVal.values.isEmpty() && !connectorsVal.all) {
             // no connectors chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val connectors = formatMultipleChoice(connectorsVal)
 
         val chargeCardsVal = filters?.getMultipleChoiceValue("chargecards")
         if (chargeCardsVal != null && chargeCardsVal.values.isEmpty() && !chargeCardsVal.all) {
             // no chargeCards chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val chargeCards = formatMultipleChoice(chargeCardsVal)
 
         val networksVal = filters?.getMultipleChoiceValue("networks")
         if (networksVal != null && networksVal.values.isEmpty() && !networksVal.all) {
             // no networks chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val networks = formatMultipleChoice(networksVal)
 
         val categoriesVal = filters?.getMultipleChoiceValue("categories")
         if (categoriesVal != null && categoriesVal.values.isEmpty() && !categoriesVal.all) {
             // no categories chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val categories = formatMultipleChoice(categoriesVal)
 
         // do not use clustering if filters need to be applied locally.
-        val useClustering = zoom < clusterThreshold
         val geClusteringAvailable = minConnectors == null || minConnectors <= 1
         val useGeClustering = useClustering && geClusteringAvailable
         val clusterDistance = if (useClustering) getClusterDistance(zoom) else null
@@ -308,19 +309,26 @@ class GoingElectricApiWrapper(
             }
         } while (startkey != null && startkey < 10000)
 
-        val result = postprocessResult(data, minPower, connectorsVal, minConnectors, zoom)
-        return Resource.success(result)
+        val result = postprocessResult(data, filters)
+        return Resource.success(ChargepointList(result, startkey == null))
     }
 
     private fun postprocessResult(
         chargers: List<GEChargepointListItem>,
-        minPower: Int?,
-        connectorsVal: MultipleChoiceFilterValue?,
-        minConnectors: Int?,
-        zoom: Float
+        filters: FilterValues?
     ): List<ChargepointListItem> {
-        // apply filters which GoingElectric does not support natively
-        var result = chargers.filter { it ->
+        val minPower = filters?.getSliderValue("min_power")
+        val minConnectors = filters?.getSliderValue("min_connectors")
+        val connectorsVal = filters?.getMultipleChoiceValue("connectors")
+        val freecharging = filters?.getBooleanValue("freecharging")
+        val freeparking = filters?.getBooleanValue("freeparking")
+        val open247 = filters?.getBooleanValue("open_247")
+        val barrierfree = filters?.getBooleanValue("barrierfree")
+        val networks = filters?.getMultipleChoiceValue("networks")
+        val chargecards = filters?.getMultipleChoiceValue("chargecards")
+
+        return chargers.filter { it ->
+            // apply filters which GoingElectric does not support natively
             if (it is GEChargeLocation) {
                 it.chargepoints
                     .filter { it.power >= (minPower ?: 0) }
@@ -329,19 +337,41 @@ class GoingElectricApiWrapper(
             } else {
                 true
             }
-        }.map { it.convert(apikey, false) }
-
-        // apply clustering
-        val useClustering = zoom < clusterThreshold
-        val geClusteringAvailable = minConnectors == null || minConnectors <= 1
-        val clusterDistance = if (useClustering) getClusterDistance(zoom) else null
-        if (!geClusteringAvailable && useClustering) {
-            // apply local clustering if server side clustering is not available
-            Dispatchers.IO.run {
-                result = cluster(result, zoom, clusterDistance!!)
+        }.map {
+            // infer some properties based on applied filters
+            if (it is GEChargeLocation) {
+                var inferred = it
+                if (freecharging == true) {
+                    inferred = inferred.copy(
+                        cost = inferred.cost?.copy(freecharging = true)
+                            ?: GECost(freecharging = true)
+                    )
+                }
+                if (freeparking == true) {
+                    inferred = inferred.copy(
+                        cost = inferred.cost?.copy(freeparking = true) ?: GECost(freeparking = true)
+                    )
+                }
+                if (open247 == true) {
+                    inferred = inferred.copy(
+                        openinghours = inferred.openinghours?.copy(twentyfourSeven = true)
+                            ?: GEOpeningHours(twentyfourSeven = true)
+                    )
+                }
+                if (barrierfree == true
+                    && (networks == null || networks.all || it.network !in networks.values)
+                    && (chargecards == null || chargecards.all)
+                ) {
+                    /* barrierfree, networks and chargecards are combined with OR - so we can only
+                    * be sure that the charger is barrierFree if the other filters are not active
+                    * or the charger does not match the other filters */
+                    inferred = inferred.copy(barrierFree = true)
+                }
+                inferred
+            } else {
+                it
             }
-        }
-        return result
+        }.map { it.convert(apikey, false) }
     }
 
     override suspend fun getChargepointDetail(
@@ -404,11 +434,11 @@ class GoingElectricApiWrapper(
         val networks = refData.networks
         val chargeCards = refData.chargecards
 
-        val plugMap = plugs.map { plug ->
-            plug to nameForPlugType(sp, GEChargepoint.convertTypeFromGE(plug))
-        }.toMap()
-        val networkMap = networks.map { it to it }.toMap()
-        val chargecardMap = chargeCards.map { it.id.toString() to it.name }.toMap()
+        val plugMap = plugs.associateWith { plug ->
+            nameForPlugType(sp, GEChargepoint.convertTypeFromGE(plug))
+        }
+        val networkMap = networks.associateWith { it }
+        val chargecardMap = chargeCards.associate { it.id.toString() to it.name }
         val categoryMap = mapOf(
             "Autohaus" to sp.getString(R.string.category_car_dealership),
             "Autobahnraststätte" to sp.getString(R.string.category_service_on_motorway),
@@ -481,5 +511,104 @@ class GoingElectricApiWrapper(
             )
         )
     }
+
+    override fun convertFiltersToSQL(
+        filters: FilterValues,
+        referenceData: ReferenceData
+    ): FiltersSQLQuery {
+        if (filters.isEmpty()) return FiltersSQLQuery("", false, false)
+        var requiresChargepointQuery = false
+        var requiresChargeCardQuery = false
+
+        val result = StringBuilder()
+        if (filters.getBooleanValue("freecharging") == true) {
+            result.append(" AND freecharging IS 1")
+        }
+        if (filters.getBooleanValue("freeparking") == true) {
+            result.append(" AND freeparking IS 1")
+        }
+        if (filters.getBooleanValue("open_247") == true) {
+            result.append(" AND twentyfourSeven IS 1")
+        }
+        if (filters.getBooleanValue("exclude_faults") == true) {
+            result.append(" AND fault_report_description IS NULL AND fault_report_created IS NULL")
+        }
+
+        val minPower = filters.getSliderValue("min_power")
+        if (minPower != null && minPower > 0) {
+            result.append(" AND json_extract(cp.value, '$.power') >= ${minPower}")
+            requiresChargepointQuery = true
+        }
+
+        val connectors = filters.getMultipleChoiceValue("connectors")
+        if (connectors != null && !connectors.all) {
+            val connectorsList = if (connectors.values.size == 0) {
+                ""
+            } else {
+                connectors.values.joinToString(",") {
+                    DatabaseUtils.sqlEscapeString(
+                        GEChargepoint.convertTypeFromGE(
+                            it
+                        )
+                    )
+                }
+            }
+            result.append(" AND json_extract(cp.value, '$.type') IN (${connectorsList})")
+            requiresChargepointQuery = true
+        }
+
+        // networks, chargecards and barrierFree filters are combined with OR in the GE API
+        val networks = filters.getMultipleChoiceValue("networks")
+        val chargecards = filters.getMultipleChoiceValue("chargecards")
+        val barrierFree = filters.getBooleanValue("barrierfree")
+
+        if ((networks != null && !networks.all) || barrierFree == true || (chargecards != null && !chargecards.all)) {
+            val queries = mutableListOf<String>()
+            if (networks != null && !networks.all) {
+                val networksList = if (networks.values.size == 0) {
+                    ""
+                } else {
+                    networks.values.joinToString(",") { DatabaseUtils.sqlEscapeString(it) }
+                }
+                queries.add("network IN (${networksList})")
+            }
+            if (barrierFree == true) {
+                queries.add("barrierFree IS 1")
+            }
+            if (chargecards != null && !chargecards.all) {
+                val chargecardsList = if (chargecards.values.size == 0) {
+                    ""
+                } else {
+                    chargecards.values.joinToString(",")
+                }
+                queries.add("json_extract(cc.value, '$.id') IN (${chargecardsList})")
+                requiresChargeCardQuery = true
+            }
+            result.append(" AND (${queries.joinToString(" OR ")})")
+        }
+
+        val categories = filters.getMultipleChoiceValue("categories")
+        if (categories != null && !categories.all) {
+            throw NotImplementedError()  // category cannot be determined in SQL
+        }
+
+
+        val minConnectors = filters.getSliderValue("min_connectors")
+        if (minConnectors != null && minConnectors > 1) {
+            result.append(" GROUP BY ChargeLocation.id HAVING COUNT(1) >= ${minConnectors}")
+            requiresChargepointQuery = true
+        }
+
+        return FiltersSQLQuery(result.toString(), requiresChargepointQuery, requiresChargeCardQuery)
+    }
+
+    override fun filteringInSQLRequiresDetails(filters: FilterValues): Boolean {
+        val chargecards = filters.getMultipleChoiceValue("chargecards")
+        return filters.getBooleanValue("freecharging") == true
+                || filters.getBooleanValue("freeparking") == true
+                || filters.getBooleanValue("open_247") == true
+                || filters.getBooleanValue("barrierfree") == true
+                || (chargecards != null && !chargecards.all)
+    }
 }
 

app/src/main/java/net/vonforst/evmap/api/goingelectric/GoingElectricModel.kt

@@ -77,6 +77,8 @@ data class GEChargeLocation(
         cost?.convert(),
         null,
         ChargepriceData(address.country, network, chargepoints.map { it.type }),
+        null,
+        null,
         Instant.now(),
         isDetailed
     )
@@ -84,10 +86,10 @@ data class GEChargeLocation(
 
 @JsonClass(generateAdapter = true)
 data class GECost(
-    val freecharging: Boolean,
-    val freeparking: Boolean,
-    @JsonObjectOrFalse @Json(name = "description_short") val descriptionShort: String?,
-    @JsonObjectOrFalse @Json(name = "description_long") val descriptionLong: String?
+    val freecharging: Boolean = false,
+    val freeparking: Boolean = false,
+    @JsonObjectOrFalse @Json(name = "description_short") val descriptionShort: String? = null,
+    @JsonObjectOrFalse @Json(name = "description_long") val descriptionLong: String? = null
 ) {
     fun convert() = Cost(
         // In GE, freecharging = false can either mean "paid charging" or "no information
@@ -102,8 +104,8 @@ data class GECost(
 @JsonClass(generateAdapter = true)
 data class GEOpeningHours(
     @Json(name = "24/7") val twentyfourSeven: Boolean,
-    @JsonObjectOrFalse val description: String?,
-    val days: GEOpeningHoursDays?
+    @JsonObjectOrFalse val description: String? = null,
+    val days: GEOpeningHoursDays? = null
 ) {
     fun convert() = OpeningHours(twentyfourSeven, description, days?.convert())
 }
@@ -147,7 +149,7 @@ data class GEChargerPhoto(val id: String) {
 @JsonClass(generateAdapter = true)
 class GEChargerPhotoAdapter(override val id: String, val apikey: String) :
     ChargerPhoto(id) {
-    override fun getUrl(height: Int?, width: Int?, size: Int?): String {
+    override fun getUrl(height: Int?, width: Int?, size: Int?, allowOriginal: Boolean): String {
         return "https://api.goingelectric.de/chargepoints/photo/?key=${apikey}&id=$id" +
                 when {
                     size != null -> "&size=$size"
@@ -209,6 +211,7 @@ data class GEChargepoint(val type: String, val power: Double, val count: Int) {
                 "Typ1" -> Chargepoint.TYPE_1
                 "Typ2" -> Chargepoint.TYPE_2_UNKNOWN
                 "Typ3" -> Chargepoint.TYPE_3
+                "Tesla Supercharger CCS" -> Chargepoint.CCS_UNKNOWN
                 "CCS" -> Chargepoint.CCS_UNKNOWN
                 "Schuko" -> Chargepoint.SCHUKO
                 "CHAdeMO" -> Chargepoint.CHADEMO

app/src/main/java/net/vonforst/evmap/api/openchargemap/OpenChargeMapApi.kt

@@ -1,18 +1,16 @@
 package net.vonforst.evmap.api.openchargemap
 
 import android.content.Context
+import android.database.DatabaseUtils
 import com.car2go.maps.model.LatLng
 import com.car2go.maps.model.LatLngBounds
-import com.facebook.stetho.okhttp3.StethoInterceptor
 import com.squareup.moshi.Moshi
-import kotlinx.coroutines.Dispatchers
 import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.R
+import net.vonforst.evmap.addDebugInterceptors
 import net.vonforst.evmap.api.*
 import net.vonforst.evmap.model.*
-import net.vonforst.evmap.ui.cluster
 import net.vonforst.evmap.viewmodel.Resource
-import net.vonforst.evmap.viewmodel.getClusterDistance
 import okhttp3.Cache
 import okhttp3.OkHttpClient
 import retrofit2.Response
@@ -21,6 +19,9 @@ import retrofit2.converter.moshi.MoshiConverterFactory
 import retrofit2.http.GET
 import retrofit2.http.Query
 import java.io.IOException
+import java.time.Duration
+
+private const val maxResults = 3000
 
 interface OpenChargeMapApi {
     @GET("poi/")
@@ -30,7 +31,7 @@ interface OpenChargeMapApi {
         @Query("minpowerkw") minPower: Double? = null,
         @Query("operatorid") operators: String? = null,
         @Query("statustypeid") statusType: String? = null,
-        @Query("maxresults") maxresults: Int = 500,
+        @Query("maxresults") maxresults: Int = maxResults,
         @Query("compact") compact: Boolean = true,
         @Query("verbose") verbose: Boolean = false
     ): Response<List<OCMChargepoint>>
@@ -45,7 +46,7 @@ interface OpenChargeMapApi {
         @Query("minpowerkw") minPower: Double? = null,
         @Query("operatorid") operators: String? = null,
         @Query("statustypeid") statusType: String? = null,
-        @Query("maxresults") maxresults: Int = 500,
+        @Query("maxresults") maxresults: Int = maxResults,
         @Query("compact") compact: Boolean = true,
         @Query("verbose") verbose: Boolean = false
     ): Response<List<OCMChargepoint>>
@@ -83,7 +84,7 @@ interface OpenChargeMapApi {
                     chain.proceed(new)
                 }
                 if (BuildConfig.DEBUG) {
-                    addNetworkInterceptor(StethoInterceptor())
+                    addDebugInterceptors()
                 }
                 if (context != null) {
                     cache(Cache(context.cacheDir, cacheSize))
@@ -105,11 +106,11 @@ class OpenChargeMapApiWrapper(
     baseurl: String = "https://api.openchargemap.io/v3/",
     context: Context? = null
 ) : ChargepointApi<OCMReferenceData> {
-    private val clusterThreshold = 11
+    override val cacheLimit = Duration.ofDays(300L)
     val api = OpenChargeMapApi.create(apikey, baseurl, context)
 
     override val name = "OpenChargeMap.org"
-    override val id = "open_charge_map"
+    override val id = "openchargemap"
 
     private fun formatMultipleChoice(value: MultipleChoiceFilterValue?) =
         if (value == null || value.all) null else value.values.joinToString(",")
@@ -118,8 +119,9 @@ class OpenChargeMapApiWrapper(
         referenceData: ReferenceData,
         bounds: LatLngBounds,
         zoom: Float,
+        useClustering: Boolean,
         filters: FilterValues?,
-    ): Resource<List<ChargepointListItem>> {
+    ): Resource<ChargepointList> {
         val refData = referenceData as OCMReferenceData
 
         val minPower = filters?.getSliderValue("min_power")?.toDouble()
@@ -129,14 +131,14 @@ class OpenChargeMapApiWrapper(
         val connectorsVal = filters?.getMultipleChoiceValue("connectors")
         if (connectorsVal != null && connectorsVal.values.isEmpty() && !connectorsVal.all) {
             // no connectors chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val connectors = formatMultipleChoice(connectorsVal)
 
         val operatorsVal = filters?.getMultipleChoiceValue("operators")
         if (operatorsVal != null && operatorsVal.values.isEmpty() && !operatorsVal.all) {
             // no operators chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val operators = formatMultipleChoice(operatorsVal)
 
@@ -148,22 +150,22 @@ class OpenChargeMapApiWrapper(
                 ),
                 minPower = minPower,
                 plugs = connectors,
-                operators = operators,
-                statusType = if (excludeFaults == true) noFaultStatuses.joinToString(",") else null
+                operators = operators
             )
             if (!response.isSuccessful) {
                 return Resource.error(response.message(), null)
             }
 
-            var result = postprocessResult(
-                response.body()!!,
+            val data = response.body()!!
+            val result = postprocessResult(
+                data,
                 minPower,
                 connectorsVal,
                 minConnectors,
-                refData,
-                zoom
+                excludeFaults,
+                refData
             )
-            return Resource.success(result)
+            return Resource.success(ChargepointList(result, data.size < maxResults))
         } catch (e: IOException) {
             return Resource.error(e.message, null)
         }
@@ -174,8 +176,9 @@ class OpenChargeMapApiWrapper(
         location: LatLng,
         radius: Int,
         zoom: Float,
+        useClustering: Boolean,
         filters: FilterValues?
-    ): Resource<List<ChargepointListItem>> {
+    ): Resource<ChargepointList> {
         val refData = referenceData as OCMReferenceData
 
         val minPower = filters?.getSliderValue("min_power")?.toDouble()
@@ -185,14 +188,14 @@ class OpenChargeMapApiWrapper(
         val connectorsVal = filters?.getMultipleChoiceValue("connectors")
         if (connectorsVal != null && connectorsVal.values.isEmpty() && !connectorsVal.all) {
             // no connectors chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val connectors = formatMultipleChoice(connectorsVal)
 
         val operatorsVal = filters?.getMultipleChoiceValue("operators")
         if (operatorsVal != null && operatorsVal.values.isEmpty() && !operatorsVal.all) {
             // no operators chosen
-            return Resource.success(emptyList())
+            return Resource.success(ChargepointList.empty())
         }
         val operators = formatMultipleChoice(operatorsVal)
 
@@ -202,22 +205,22 @@ class OpenChargeMapApiWrapper(
                 radius.toDouble(),
                 minPower = minPower,
                 plugs = connectors,
-                operators = operators,
-                statusType = if (excludeFaults == true) noFaultStatuses.joinToString(",") else null
+                operators = operators
             )
             if (!response.isSuccessful) {
                 return Resource.error(response.message(), null)
             }
 
+            val data = response.body()!!
             val result = postprocessResult(
-                response.body()!!,
+                data,
                 minPower,
                 connectorsVal,
                 minConnectors,
-                refData,
-                zoom
+                excludeFaults,
+                refData
             )
-            return Resource.success(result)
+            return Resource.success(ChargepointList(result, data.size < 499))
         } catch (e: IOException) {
             return Resource.error(e.message, null)
         }
@@ -228,26 +231,18 @@ class OpenChargeMapApiWrapper(
         minPower: Double?,
         connectorsVal: MultipleChoiceFilterValue?,
         minConnectors: Int?,
-        referenceData: OCMReferenceData,
-        zoom: Float
+        excludeFaults: Boolean?,
+        referenceData: OCMReferenceData
     ): List<ChargepointListItem> {
         // apply filters which OCM does not support natively
-        var result = chargers.filter { it ->
+        return chargers.filter { it ->
             it.connections
                 .filter { it.power == null || it.power >= (minPower ?: 0.0) }
                 .filter { if (connectorsVal != null && !connectorsVal.all) it.connectionTypeId in connectorsVal.values.map { it.toLong() } else true }
                 .sumOf { it.quantity ?: 1 } >= (minConnectors ?: 0)
-        }.map { it.convert(referenceData, false) }.distinct() as List<ChargepointListItem>
-
-        // apply clustering
-        val useClustering = zoom < clusterThreshold
-        if (useClustering) {
-            val clusterDistance = getClusterDistance(zoom)
-            Dispatchers.IO.run {
-                result = cluster(result, zoom, clusterDistance!!)
-            }
-        }
-        return result
+        }.filter {
+            it.statusTypeId == null || (it.statusTypeId !in removedStatuses && if (excludeFaults == true) it.statusTypeId !in faultStatuses else true)
+        }.map { it.convert(referenceData, false) }.distinct()
     }
 
     override suspend fun getChargepointDetail(
@@ -286,8 +281,8 @@ class OpenChargeMapApiWrapper(
     ): List<Filter<FilterValue>> {
         val refData = referenceData as OCMReferenceData
 
-        val operatorsMap = refData.operators.map { it.id.toString() to it.title }.toMap()
-        val plugMap = refData.connectionTypes.map { it.id.toString() to it.title }.toMap()
+        val operatorsMap = refData.operators.associate { it.id.toString() to it.title }
+        val plugMap = refData.connectionTypes.associate { it.id.toString() to it.title }
 
         return listOf(
             // supported by OCM API
@@ -327,4 +322,70 @@ class OpenChargeMapApiWrapper(
         )
     }
 
+    override fun convertFiltersToSQL(
+        filters: FilterValues,
+        referenceData: ReferenceData
+    ): FiltersSQLQuery {
+        if (filters.isEmpty()) return FiltersSQLQuery("", false, false)
+
+        val refData = referenceData as OCMReferenceData
+        var requiresChargepointQuery = false
+
+        val result = StringBuilder()
+
+        if (filters.getBooleanValue("exclude_faults") == true) {
+            result.append(" AND fault_report_description IS NULL AND fault_report_created IS NULL")
+        }
+
+        val minPower = filters.getSliderValue("min_power")
+        if (minPower != null && minPower > 0) {
+            result.append(" AND json_extract(cp.value, '$.power') >= ${minPower}")
+            requiresChargepointQuery = true
+        }
+
+        val connectors = filters.getMultipleChoiceValue("connectors")
+        if (connectors != null && !connectors.all) {
+            val connectorsList = if (connectors.values.size == 0) {
+                ""
+            } else {
+                connectors.values.joinToString(",") {
+                    DatabaseUtils.sqlEscapeString(
+                        OCMConnection.convertConnectionTypeFromOCM(
+                            it.toLong(),
+                            refData
+                        )
+                    )
+                }
+            }
+            result.append(" AND json_extract(cp.value, '$.type') IN (${connectorsList})")
+            requiresChargepointQuery = true
+        }
+
+        val operators = filters.getMultipleChoiceValue("operators")
+        if (operators != null && !operators.all) {
+            val networksList = if (operators.values.size == 0) {
+                ""
+            } else {
+                operators.values.joinToString(",") { opId ->
+                    DatabaseUtils.sqlEscapeString(refData.operators.find { it.id == opId.toLong() }?.title.orEmpty())
+                }
+            }
+            result.append(" AND network IN (${networksList})")
+        }
+
+        val minConnectors = filters.getSliderValue("min_connectors")
+        if (minConnectors != null && minConnectors > 1) {
+            result.append(" GROUP BY ChargeLocation.id HAVING COUNT(1) >= ${minConnectors}")
+            requiresChargepointQuery = true
+        }
+
+        return FiltersSQLQuery(result.toString(), requiresChargepointQuery, false)
+    }
+
+    override fun filteringInSQLRequiresDetails(filters: FilterValues): Boolean {
+        val operators = filters.getMultipleChoiceValue("operators")
+        return (operators != null && !operators.all)
+        // TODO: it would be possible to implement this without requiring details if we extended the data structure to also save the operator ID in the DB
+    }
+
 }

app/src/main/java/net/vonforst/evmap/api/openchargemap/OpenChargeMapModel.kt

@@ -11,12 +11,15 @@ import java.time.Instant
 import java.time.ZonedDateTime
 
 // Unknown, Currently Available, Currently In Use, Operational
-val noFaultStatuses = listOf(0, 10, 20, 50)
+val noFaultStatuses = listOf(0L, 10L, 20L, 50L)
 
-// Temporarily Unavailable, Partly Operational, Not Operational, Planned For Future Date, Removed (Decommissioned)
-val faultStatuses = listOf(30L, 75L, 100L, 150L, 200L)
+// Temporarily Unavailable, Partly Operational, Not Operational, Planned For Future Date
+val faultStatuses = listOf(30L, 75L, 100L, 150L)
 val faultReportCommentType = 1000L
 
+// Removed (Decommissioned), Removed (Duplicate Listing)
+val removedStatuses = listOf(200L, 210L)
+
 data class OCMBoundingBox(
     val sw_lat: Double, val sw_lng: Double,
     val ne_lat: Double, val ne_lng: Double
@@ -71,10 +74,16 @@ data class OCMChargepoint(
             addressInfo.countryISOCode(refData),
             operatorId?.toString(),
             connections.map { "${it.connectionTypeId},${it.currentTypeId}" }),
+        operatorInfo?.websiteUrl,
+        if (operatorInfo?.websiteUrl?.withoutTrailingSlash() != addressInfo.relatedUrl?.withoutTrailingSlash()) addressInfo.relatedUrl else null,
         Instant.now(),
         isDetailed
     )
 
+    private fun String.withoutTrailingSlash(): String {
+        return this.replace(Regex("/$"), "")
+    }
+
     private fun convertFaultReport(): FaultReport? {
         if (statusTypeId in faultStatuses || connections.any { it.statusTypeId in faultStatuses }) {
             if (userComments != null) {
@@ -92,7 +101,7 @@ data class OCMChargepoint(
                     connections.first { it.statusType != null && it.statusTypeId in faultStatuses }.statusType!!.title
                 )
             }
-            return FaultReport(null, null)
+            return FaultReport(null, "")
         } else {
             return null
         }
@@ -251,14 +260,13 @@ class OCMChargerPhotoAdapter(
     val largeUrl: String,
     val thumbUrl: String
 ) : ChargerPhoto(id) {
-    override fun getUrl(height: Int?, width: Int?, size: Int?): String {
+    override fun getUrl(height: Int?, width: Int?, size: Int?, allowOriginal: Boolean): String {
         val maxSize = size ?: max(height, width)
         val mediumUrl = thumbUrl.replace(".thmb.", ".medi.")
         return when (maxSize) {
-            0 -> mediumUrl
-            in 1..100 -> thumbUrl
+            in 0..100 -> thumbUrl
             in 101..400 -> mediumUrl
-            else -> largeUrl
+            else -> if (allowOriginal) largeUrl else mediumUrl
         }
     }
 }

app/src/main/java/net/vonforst/evmap/api/openstreetmap/OpenStreetMapModel.kt

@@ -105,6 +105,8 @@ data class OSMChargingStation(
         getCost(),
         "© OpenStreetMap contributors",
         null,
+        null,
+        null,
         dataFetchTimestamp,
         true,
     )
@@ -118,7 +120,7 @@ data class OSMChargingStation(
         // If that is missing as well, use a generic "Charging Station" string.
         return tags["name"]
             ?: tags["operator"]
-            ?: "Charging Station";
+            ?: "Charging Station"
     }
 
     /**
@@ -191,7 +193,7 @@ data class OSMChargingStation(
          */
         fun parseOutputPower(rawOutput: String?): Double? {
             if (rawOutput == null) {
-                return null;
+                return null
             }
             val pattern = Regex("([0-9.,]+)\\s*(kW|kVA)", setOf(RegexOption.IGNORE_CASE))
             val matchResult = pattern.matchEntire(rawOutput) ?: return null

app/src/main/java/net/vonforst/evmap/autocomplete/AutocompleteProvider.kt

@@ -176,10 +176,10 @@ enum class AutocompletePlaceType {
 
     companion object {
         fun valueOfOrNull(value: String): AutocompletePlaceType? {
-            try {
-                return valueOf(value)
+            return try {
+                valueOf(value)
             } catch (e: IllegalArgumentException) {
-                return null
+                null
             }
         }
     }

app/src/main/java/net/vonforst/evmap/autocomplete/MapboxAutocompleteProvider.kt

@@ -114,7 +114,7 @@ class MapboxAutocompleteProvider(val context: Context) : AutocompleteProvider {
     override fun getAttributionString(): Int = R.string.powered_by_mapbox
 
     override fun getAttributionImage(dark: Boolean): Int =
-        if (dark) R.drawable.mapbox_logo_icon else R.drawable.mapbox_logo
+        if (dark) com.mapbox.mapboxsdk.R.drawable.mapbox_logo_icon else R.drawable.mapbox_logo
 }
 
 private fun BoundingBox.toLatLngBounds(): LatLngBounds {

app/src/main/java/net/vonforst/evmap/fragment/ChargepriceFragment.kt

@@ -123,12 +123,12 @@ class ChargepriceFragment : Fragment() {
         val charger = fragmentArgs.charger
         vm.charger.value = charger
         if (vm.chargepoint.value == null) {
-            vm.chargepoint.value = charger.chargepointsMerged.get(0)
+            vm.chargepoint.value = charger.chargepointsMerged[0]
         }
 
         val vehicleAdapter = CheckableChargepriceCarAdapter()
         headerBinding.vehicleSelection.adapter = vehicleAdapter
-        val vehicleObserver: Observer<ChargepriceCar> = Observer {
+        val vehicleObserver: Observer<ChargepriceCar?> = Observer {
             vehicleAdapter.setCheckedItem(it)
         }
         vm.vehicle.observe(viewLifecycleOwner, vehicleObserver)
@@ -172,7 +172,7 @@ class ChargepriceFragment : Fragment() {
 
         val connectorsAdapter = CheckableConnectorAdapter()
 
-        val observer: Observer<Chargepoint> = Observer {
+        val observer: Observer<Chargepoint?> = Observer {
             connectorsAdapter.setCheckedItem(it)
         }
         vm.chargepoint.observe(viewLifecycleOwner, observer)

app/src/main/java/net/vonforst/evmap/fragment/FilterProfilesFragment.kt

@@ -80,8 +80,8 @@ class FilterProfilesFragment : Fragment() {
                 viewHolder: RecyclerView.ViewHolder,
                 target: RecyclerView.ViewHolder
             ): Boolean {
-                val fromPos = viewHolder.bindingAdapterPosition;
-                val toPos = target.bindingAdapterPosition;
+                val fromPos = viewHolder.bindingAdapterPosition
+                val toPos = target.bindingAdapterPosition
 
                 val list = vm.filterProfiles.value?.toMutableList()
                 if (list != null) {

app/src/main/java/net/vonforst/evmap/fragment/MapFragment.kt

@@ -40,8 +40,6 @@ import androidx.transition.TransitionInflater
 import androidx.transition.TransitionManager
 import coil.load
 import coil.memory.MemoryCache
-import coil.size.OriginalSize
-import coil.size.SizeResolver
 import com.car2go.maps.AnyMap
 import com.car2go.maps.MapFragment
 import com.car2go.maps.OnMapReadyCallback
@@ -75,6 +73,7 @@ import net.vonforst.evmap.autocomplete.ApiUnavailableException
 import net.vonforst.evmap.autocomplete.PlaceWithBounds
 import net.vonforst.evmap.bold
 import net.vonforst.evmap.databinding.FragmentMapBinding
+import net.vonforst.evmap.fragment.preference.DataSettingsFragmentArgs
 import net.vonforst.evmap.location.FusionEngine
 import net.vonforst.evmap.location.LocationEngine
 import net.vonforst.evmap.location.Priority
@@ -130,16 +129,14 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             }
 
             val state = bottomSheetBehavior.state
-            if (state != STATE_COLLAPSED && state != STATE_HIDDEN) {
-                if (bottomSheetCollapsible) {
+            when (state) {
+                STATE_COLLAPSED -> vm.chargerSparse.value = null
+                STATE_HIDDEN -> vm.searchResult.value = null
+                else -> if (bottomSheetCollapsible) {
                     bottomSheetBehavior.state = STATE_COLLAPSED
                 } else {
                     vm.chargerSparse.value = null
                 }
-            } else if (state == STATE_COLLAPSED) {
-                vm.chargerSparse.value = null
-            } else if (state == STATE_HIDDEN) {
-                vm.searchResult.value = null
             }
         }
     }
@@ -164,6 +161,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         savedInstanceState: Bundle?
     ): View {
         binding = DataBindingUtil.inflate(inflater, R.layout.fragment_map, container, false)
+        println(binding.detailView.sourceButton)
         binding.lifecycleOwner = this
         binding.vm = vm
 
@@ -248,7 +246,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         requireActivity().addMenuProvider(this, viewLifecycleOwner, Lifecycle.State.RESUMED)
 
         mapFragment!!.getMapAsync(this)
-        bottomSheetBehavior = BottomSheetBehaviorGoogleMapsLike.from(binding.bottomSheet)
+        bottomSheetBehavior = from(binding.bottomSheet)
         detailAppBarBehavior = MergedAppBarLayoutBehavior.from(binding.detailAppBar)
 
         binding.detailAppBar.toolbar.inflateMenu(R.menu.detail)
@@ -377,6 +375,16 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 null, extras
             )
         }
+        binding.detailView.btnChargerWebsite.setOnClickListener {
+            val charger = vm.charger.value?.data ?: return@setOnClickListener
+            charger.chargerUrl?.let { (activity as? MapsActivity)?.openUrl(it) }
+        }
+        binding.detailView.btnLogin.setOnClickListener {
+            findNavController().navigate(
+                R.id.settings_data,
+                DataSettingsFragmentArgs(true).toBundle()
+            )
+        }
         binding.detailView.imgPredictionSource.setOnClickListener {
             (activity as? MapsActivity)?.openUrl(getString(R.string.fronyx_url))
         }
@@ -387,7 +395,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 .show()
         }
         binding.detailView.topPart.setOnClickListener {
-            bottomSheetBehavior.state = BottomSheetBehaviorGoogleMapsLike.STATE_ANCHOR_POINT
+            bottomSheetBehavior.state = STATE_ANCHOR_POINT
         }
         setupSearchAutocomplete()
         binding.detailAppBar.toolbar.setNavigationOnClickListener {
@@ -414,7 +422,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     val charger = vm.charger.value?.data
                     if (charger?.editUrl != null) {
                         (activity as? MapsActivity)?.openUrl(charger.editUrl)
-                        if (vm.apiId.value == "going_electric") {
+                        if (vm.apiId.value == "goingelectric") {
                             // instructions specific to GoingElectric
                             Toast.makeText(
                                 requireContext(),
@@ -552,7 +560,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
 
     private fun setupObservers() {
         bottomSheetBehavior.addBottomSheetCallback(object :
-            BottomSheetBehaviorGoogleMapsLike.BottomSheetCallback() {
+            BottomSheetCallback() {
             override fun onSlide(bottomSheet: View, slideOffset: Float) {
                 if (bottomSheetBehavior.state == STATE_HIDDEN) {
                     map?.setPadding(0, mapTopPadding, 0, 0)
@@ -581,9 +589,9 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 }
             }
         })
-        vm.chargerSparse.observe(viewLifecycleOwner, Observer {
+        vm.chargerSparse.observe(viewLifecycleOwner) {
             if (it != null) {
-                if (vm.bottomSheetState.value != BottomSheetBehaviorGoogleMapsLike.STATE_ANCHOR_POINT) {
+                if (vm.bottomSheetState.value != STATE_ANCHOR_POINT) {
                     bottomSheetBehavior.state =
                         if (bottomSheetCollapsible) STATE_COLLAPSED else STATE_ANCHOR_POINT
                 }
@@ -596,8 +604,12 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 bottomSheetBehavior.state = STATE_HIDDEN
                 unhighlightAllMarkers()
             }
-        })
+        }
         vm.chargepoints.observe(viewLifecycleOwner, Observer { res ->
+            val chargepoints = res.data
+            if (chargepoints != null) {
+                updateMap(chargepoints)
+            }
             when (res.status) {
                 Status.ERROR -> {
                     val view = view ?: return@Observer
@@ -617,32 +629,27 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 Status.LOADING -> {
                 }
             }
-
-            val chargepoints = res.data
-            if (chargepoints != null) {
-                updateMap(chargepoints)
-            }
         })
         vm.useMiniMarkers.observe(viewLifecycleOwner) {
             vm.chargepoints.value?.data?.let { updateMap(it) }
         }
-        vm.favorites.observe(viewLifecycleOwner, Observer {
+        vm.favorites.observe(viewLifecycleOwner) {
             updateFavoriteToggle()
-        })
-        vm.searchResult.observe(viewLifecycleOwner, Observer { place ->
+        }
+        vm.searchResult.observe(viewLifecycleOwner) { place ->
             displaySearchResult(place, moveCamera = true)
-        })
-        vm.layersMenuOpen.observe(viewLifecycleOwner, Observer { open ->
+        }
+        vm.layersMenuOpen.observe(viewLifecycleOwner) { open ->
             binding.fabLayers.visibility = if (open) View.INVISIBLE else View.VISIBLE
             binding.layersSheet.visibility = if (open) View.VISIBLE else View.INVISIBLE
             updateBackPressedCallback()
-        })
-        vm.mapType.observe(viewLifecycleOwner, Observer {
+        }
+        vm.mapType.observe(viewLifecycleOwner) {
             map?.setMapType(it)
-        })
-        vm.mapTrafficEnabled.observe(viewLifecycleOwner, Observer {
+        }
+        vm.mapTrafficEnabled.observe(viewLifecycleOwner) {
             map?.setTrafficEnabled(it)
-        })
+        }
 
         updateBackPressedCallback()
     }
@@ -697,7 +704,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     highlight = false,
                     fault = c.faultReport != null,
                     multi = c.isMulti(vm.filteredConnectors.value),
-                    fav = c.id in vm.favorites.value?.map { it.charger.id } ?: emptyList(),
+                    fav = c.id in (vm.favorites.value?.map { it.charger.id } ?: emptyList()),
                     mini = vm.useMiniMarkers.value == true
                 )
             )
@@ -713,7 +720,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 highlight = true,
                 fault = charger.faultReport != null,
                 multi = charger.isMulti(vm.filteredConnectors.value),
-                fav = charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList(),
+                fav = charger.id in (vm.favorites.value?.map { it.charger.id } ?: emptyList()),
                 mini = vm.useMiniMarkers.value == true
             )
         )
@@ -728,7 +735,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                         highlight = false,
                         fault = c.faultReport != null,
                         multi = c.isMulti(vm.filteredConnectors.value),
-                        fav = c.id in vm.favorites.value?.map { it.charger.id } ?: emptyList(),
+                        fav = c.id in (vm.favorites.value?.map { it.charger.id } ?: emptyList()),
                         mini = vm.useMiniMarkers.value == true
                     )
                 )
@@ -753,12 +760,10 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 val photos = vm.charger.value?.data?.photos ?: return
 
                 viewer = StfalconImageViewer.Builder(context, photos) { imageView, photo ->
-                    imageView.load(photo.getUrl(size = 1000)) {
+                    imageView.load(photo.getUrl(size = 1000, allowOriginal = true)) {
                         if (photo == photos[position] && imageCacheKey != null) {
                             placeholderMemoryCacheKey(imageCacheKey)
                         }
-                        size(SizeResolver(OriginalSize))
-                        allowHardware(false)
                     }
                 }
                     .withTransitionFrom(view as ImageView)
@@ -810,6 +815,9 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                             R.drawable.ic_payment -> {
                                 showPaymentMethodsDialog(charger)
                             }
+                            R.drawable.ic_network -> {
+                                charger.networkUrl?.let { (activity as? MapsActivity)?.openUrl(it) }
+                            }
                         }
                     }
                 }
@@ -852,13 +860,14 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
 
     override fun onMapReady(map: AnyMap) {
         this.map = map
+        vm.mapProjection = map.projection
         val context = this.context ?: return
         chargerIconGenerator = ChargerIconGenerator(context, map.bitmapDescriptorFactory)
 
         if (BuildConfig.FLAVOR.contains("google") && mapFragment!!.priority[0] == MapFragment.GOOGLE) {
             // Google Maps: icons can be generated in background thread
             lifecycleScope.launch {
-                withContext(Dispatchers.IO) {
+                withContext(Dispatchers.Default) {
                     chargerIconGenerator.preloadCache()
                 }
             }
@@ -876,16 +885,39 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         map.uiSettings.setIndoorLevelPickerEnabled(false)
 
         map.setOnCameraIdleListener {
+            vm.mapProjection = map.projection
             vm.mapPosition.value = MapPosition(
                 map.projection.visibleRegion.latLngBounds, map.cameraPosition.zoom
             )
             vm.reloadChargepoints()
         }
         map.setOnCameraMoveListener {
+            vm.mapProjection = map.projection
             vm.mapPosition.value = MapPosition(
                 map.projection.visibleRegion.latLngBounds, map.cameraPosition.zoom
             )
         }
+
+        binding.scaleView.apply {
+            when (prefs.mapScale) {
+                "both" -> {
+                    visibility = View.VISIBLE
+                    metersAndMiles()
+                }
+
+                "meters" -> {
+                    visibility = View.VISIBLE
+                    metersOnly()
+                }
+
+                "miles" -> {
+                    visibility = View.VISIBLE
+                    milesOnly()
+                }
+
+                "off" -> visibility = View.GONE
+            }
+        }
         vm.mapPosition.observe(viewLifecycleOwner) {
             binding.scaleView.update(map.cameraPosition.zoom, map.cameraPosition.target.latitude)
         }
@@ -958,11 +990,11 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             vm.loadChargerById(chargerId)
             vm.chargerSparse.observe(
                 viewLifecycleOwner,
-                object : Observer<ChargeLocation> {
-                    override fun onChanged(item: ChargeLocation?) {
-                        if (item?.id == chargerId) {
+                object : Observer<ChargeLocation?> {
+                    override fun onChanged(value: ChargeLocation?) {
+                        if (value?.id == chargerId) {
                             val cameraUpdate = map.cameraUpdateFactory.newLatLngZoom(
-                                LatLng(item.coordinates.lat, item.coordinates.lng), 16f
+                                LatLng(value.coordinates.lat, value.coordinates.lng), 16f
                             )
                             map.moveCamera(cameraUpdate)
                             vm.chargerSparse.removeObserver(this)
@@ -981,9 +1013,9 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 vm.chargepoints.observe(
                     viewLifecycleOwner,
                     object : Observer<Resource<List<ChargepointListItem>>> {
-                        override fun onChanged(res: Resource<List<ChargepointListItem>>) {
-                            if (res.data == null) return
-                            for (item in res.data) {
+                        override fun onChanged(value: Resource<List<ChargepointListItem>>) {
+                            if (value.data == null) return
+                            for (item in value.data) {
                                 if (item is ChargeLocation && item.id == chargerId) {
                                     vm.chargerSparse.value = item
                                     vm.chargepoints.removeObserver(this)
@@ -994,44 +1026,26 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             } else {
                 // mark location as search result
                 vm.searchResult.value = PlaceWithBounds(latLng, boundingBox(latLng, 750.0))
+                locationName?.let { binding.search.setText(it) }
             }
 
             positionSet = true
         } else if (locationName != null) {
-            lifecycleScope.launch {
-                val address = withContext(Dispatchers.IO) {
-                    try {
-                        Geocoder(requireContext()).getFromLocationName(locationName, 1)
-                            ?.getOrNull(0)
-                    } catch (e: IOException) {
-                        null
-                    }
-                }
-                address?.let {
-                    val latLng = LatLng(it.latitude, it.longitude)
-                    val cameraUpdate = map.cameraUpdateFactory.newLatLngZoom(latLng, 16f)
-                    map.moveCamera(cameraUpdate)
-                    val bboxSize = if (it.subAdminArea != null) {
-                        750.0 // this is a place within a city
-                    } else if (it.adminArea != null && it.adminArea != it.featureName) {
-                        4000.0 // this is a city
-                    } else if (it.adminArea != null) {
-                        100000.0 // this is a top-level administrative area (i.e. state)
-                    } else {
-                        500000.0 // this is a country
-                    }
-                    vm.searchResult.value = PlaceWithBounds(latLng, boundingBox(latLng, bboxSize))
-                }
-            }
+            binding.search.setText(locationName)
+            binding.search.requestFocus()
+            binding.search.setSelection(locationName.length)
         }
         if (context.checkAnyLocationPermission()) {
             enableLocation(!positionSet, false)
             positionSet = true
         }
         if (!positionSet) {
-            // center the camera on Europe
+            // use position saved in preferences, fall back to default (Europe)
             val cameraUpdate =
-                map.cameraUpdateFactory.newLatLngZoom(LatLng(50.113388, 9.252536), 3.5f)
+                map.cameraUpdateFactory.newLatLngZoom(
+                    prefs.currentMapLocation,
+                    prefs.currentMapZoom
+                )
             map.moveCamera(cameraUpdate)
         }
 
@@ -1091,7 +1105,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     highlight = highlight,
                     fault = charger.faultReport != null,
                     multi = charger.isMulti(vm.filteredConnectors.value),
-                    fav = charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList(),
+                    fav = charger.id in (vm.favorites.value?.map { it.charger.id } ?: emptyList()),
                     mini = vm.useMiniMarkers.value == true
                 )
             )
@@ -1112,7 +1126,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                         val fault = charger.faultReport != null
                         val multi = charger.isMulti(vm.filteredConnectors.value)
                         val fav =
-                            charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
+                            charger.id in (vm.favorites.value?.map { it.charger.id } ?: emptyList())
                         animator.animateMarkerDisappear(
                             marker, tint, highlight, fault, multi, fav,
                             vm.useMiniMarkers.value == true
@@ -1131,7 +1145,8 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     val highlight = charger.id == vm.chargerSparse.value?.id
                     val fault = charger.faultReport != null
                     val multi = charger.isMulti(vm.filteredConnectors.value)
-                    val fav = charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
+                    val fav =
+                        charger.id in (vm.favorites.value?.map { it.charger.id } ?: emptyList())
                     val marker = map.addMarker(
                         MarkerOptions()
                             .position(LatLng(charger.coordinates.lat, charger.coordinates.lng))
@@ -1185,13 +1200,13 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         val filterBadge = filterView?.findViewById<TextView>(R.id.filter_badge)
         if (filterBadge != null) {
             // set up badge showing number of active filters
-            vm.filtersCount.observe(viewLifecycleOwner, Observer {
+            vm.filtersCount.observe(viewLifecycleOwner) {
                 filterBadge.visibility = if (it > 0) View.VISIBLE else View.GONE
                 filterBadge.text = it.toString()
-            })
+            }
         }
         filterView?.setOnClickListener {
-            var profilesMap: MutableBiMap<Long, MenuItem> = HashBiMap()
+            val profilesMap: MutableBiMap<Long, MenuItem> = HashBiMap()
 
             val popup = PopupMenu(
                 ContextThemeWrapper(requireContext(), R.style.RoundedPopup),
@@ -1232,7 +1247,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 }
             }
 
-            vm.filterProfiles.observe(viewLifecycleOwner, { profiles ->
+            vm.filterProfiles.observe(viewLifecycleOwner) { profiles ->
                 popup.menu.removeGroup(R.id.menu_group_filter_profiles)
 
                 val noFiltersItem = popup.menu.add(
@@ -1262,25 +1277,28 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 profilesMap[FILTERS_CUSTOM] = customItem
                 profilesMap[FILTERS_FAVORITES] = favoritesItem
 
-                popup.menu.setGroupCheckable(R.id.menu_group_filter_profiles, true, true);
+                popup.menu.setGroupCheckable(R.id.menu_group_filter_profiles, true, true)
 
                 val manageFiltersItem = popup.menu.findItem(R.id.menu_manage_filter_profiles)
                 manageFiltersItem.isVisible = profiles.isNotEmpty()
 
-                vm.filterStatus.observe(viewLifecycleOwner, Observer { id ->
+                vm.filterStatus.observe(viewLifecycleOwner) { id ->
                     when (id) {
                         FILTERS_DISABLED -> {
                             customItem.isVisible = false
                             noFiltersItem.isChecked = true
                         }
+
                         FILTERS_CUSTOM -> {
                             customItem.isVisible = true
                             customItem.isChecked = true
                         }
+
                         FILTERS_FAVORITES -> {
                             customItem.isVisible = false
                             favoritesItem.isChecked = true
                         }
+
                         else -> {
                             customItem.isVisible = false
                             val item = profilesMap[id]
@@ -1290,8 +1308,8 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                             // else unknown ID -> wait for filterProfiles to update
                         }
                     }
-                })
-            })
+                }
+            }
             popup.setTouchModal(false)
             popup.show()
         }
@@ -1365,6 +1383,10 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
     override fun onPause() {
         super.onPause()
         removeLocationUpdates()
+        vm.mapPosition.value?.let {
+            prefs.currentMapLocation = it.bounds.center
+            prefs.currentMapZoom = it.zoom
+        }
     }
 
     override fun onDestroy() {

app/src/main/java/net/vonforst/evmap/fragment/MultiSelectDialog.kt

@@ -17,7 +17,7 @@ class MultiSelectDialog : MaterialDialogFragment() {
     companion object {
         fun getInstance(
             title: String,
-            data: Map<String, String>,
+            data: Map<String, CharSequence>,
             selected: Set<String>,
             commonChoices: Set<String>?,
             showAllButton: Boolean = true
@@ -55,7 +55,7 @@ class MultiSelectDialog : MaterialDialogFragment() {
 
     override fun initView(view: View, savedInstanceState: Bundle?) {
         val args = requireArguments()
-        val data = args.getSerializable("data") as HashMap<String, String>
+        val data = args.getSerializable("data") as HashMap<String, CharSequence>
         val selected = args.getSerializable("selected") as HashSet<String>
         val title = args.getString("title")
         val commonChoices = if (args.containsKey("commonChoices")) {
@@ -71,7 +71,7 @@ class MultiSelectDialog : MaterialDialogFragment() {
         binding.btnAll.visibility = if (showAllButton) View.VISIBLE else View.INVISIBLE
 
         items = data.entries.toList()
-            .sortedBy { it.value.lowercase(Locale.getDefault()) }
+            .sortedBy { it.value.toString().lowercase(Locale.getDefault()) }
             .sortedBy {
                 when {
                     selected.contains(it.key) && commonChoices?.contains(it.key) == true -> 0
@@ -117,7 +117,7 @@ private fun search(
 ): List<MultiSelectItem> {
     return items.filter { item ->
         // search for string within name
-        text.lowercase(Locale.getDefault()) in item.name.lowercase(Locale.getDefault())
+        text.lowercase(Locale.getDefault()) in item.name.toString().lowercase(Locale.getDefault())
     }
 }
 
@@ -125,4 +125,5 @@ class Adapter() : DataBindingAdapter<MultiSelectItem>({ it.key }) {
     override fun getItemViewType(position: Int) = R.layout.dialog_multi_select_item
 }
 
-data class MultiSelectItem(val key: String, val name: String, var selected: Boolean) : Equatable
+data class MultiSelectItem(val key: String, val name: CharSequence, var selected: Boolean) :
+    Equatable

app/src/main/java/net/vonforst/evmap/fragment/oauth/OAuthLoginFragment.kt

@@ -0,0 +1,91 @@
+package net.vonforst.evmap.fragment.oauth
+
+import android.annotation.SuppressLint
+import android.graphics.Bitmap
+import android.graphics.Color
+import android.net.Uri
+import android.os.Bundle
+import android.util.Base64
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.webkit.CookieManager
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.appcompat.widget.Toolbar
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.setFragmentResult
+import androidx.navigation.fragment.findNavController
+import androidx.navigation.ui.setupWithNavController
+import com.google.android.material.progressindicator.LinearProgressIndicator
+import com.google.android.material.transition.MaterialSharedAxis
+import net.vonforst.evmap.MapsActivity
+import net.vonforst.evmap.R
+
+class OAuthLoginFragment : Fragment() {
+    private lateinit var webView: WebView
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enterTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+        returnTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View = inflater.inflate(R.layout.fragment_oauth_login, container, false)
+
+    @SuppressLint("SetJavaScriptEnabled")
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val toolbar = view.findViewById<Toolbar>(R.id.toolbar)
+        toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
+
+        val args = OAuthLoginFragmentArgs.fromBundle(requireArguments())
+        val uri = Uri.parse(args.url)
+
+        webView = view.findViewById(R.id.webView)
+
+        args.color?.let { webView.setBackgroundColor(Color.parseColor(it)) }
+        val progress = view.findViewById<LinearProgressIndicator>(R.id.progress_indicator)
+
+        CookieManager.getInstance().removeAllCookies(null)
+        webView.webViewClient = object : WebViewClient() {
+            override fun shouldOverrideUrlLoading(
+                view: WebView,
+                request: WebResourceRequest
+            ): Boolean {
+                val url = request.url
+
+                if (url.toString().startsWith(args.resultUrlPrefix)) {
+                    val result = Bundle()
+                    result.putString("url", url.toString())
+                    setFragmentResult(args.url, result)
+                    findNavController().popBackStack()
+                }
+
+                return url.host != uri.host
+            }
+
+            override fun onPageStarted(view: WebView, url: String, favicon: Bitmap?) {
+                super.onPageStarted(view, url, favicon)
+                progress.show()
+            }
+
+            override fun onPageFinished(view: WebView?, url: String?) {
+                super.onPageFinished(view, url)
+                progress.hide()
+                webView.background = null
+            }
+        }
+        webView.settings.javaScriptEnabled = true
+        webView.loadUrl(args.url)
+    }
+}

app/src/main/java/net/vonforst/evmap/fragment/preference/AboutFragment.kt

@@ -2,6 +2,7 @@ package net.vonforst.evmap.fragment.preference
 
 import android.os.Bundle
 import android.view.View
+import android.widget.Toast
 import androidx.appcompat.widget.Toolbar
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.ui.setupWithNavController
@@ -15,9 +16,13 @@ import com.mikepenz.aboutlibraries.LibsBuilder
 import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
+import net.vonforst.evmap.storage.PreferenceDataSource
 
 
 class AboutFragment : PreferenceFragmentCompat() {
+    private lateinit var prefs: PreferenceDataSource
+    private var developerOptionsCounter = 0
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enterTransition = MaterialFadeThrough()
@@ -33,6 +38,8 @@ class AboutFragment : PreferenceFragmentCompat() {
             (requireActivity() as MapsActivity).appBarConfiguration
         )
 
+        prefs = PreferenceDataSource(requireContext())
+
         // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
         view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }
@@ -45,6 +52,21 @@ class AboutFragment : PreferenceFragmentCompat() {
 
     override fun onPreferenceTreeClick(preference: Preference): Boolean {
         return when (preference.key) {
+            "version" -> {
+                if (!prefs.developerModeEnabled) {
+                    developerOptionsCounter += 1
+                    if (developerOptionsCounter >= 7) {
+                        prefs.developerModeEnabled = true
+                        Toast.makeText(
+                            requireContext(),
+                            getString(R.string.developer_mode_enabled),
+                            Toast.LENGTH_SHORT
+                        ).show()
+                    }
+                }
+                true
+            }
+
             "contributors" -> {
                 MaterialAlertDialogBuilder(requireContext())
                     .setTitle(R.string.about_contributors)
@@ -53,14 +75,22 @@ class AboutFragment : PreferenceFragmentCompat() {
                     .show()
                 true
             }
+
+            "website" -> {
+                (activity as? MapsActivity)?.openUrl(getString(R.string.website_url))
+                true
+            }
+
             "github_link" -> {
                 (activity as? MapsActivity)?.openUrl(getString(R.string.github_link))
                 true
             }
+
             "privacy" -> {
                 (activity as? MapsActivity)?.openUrl(getString(R.string.privacy_link))
                 true
             }
+
             "faq" -> {
                 (activity as? MapsActivity)?.openUrl(getString(R.string.faq_link))
                 true

app/src/main/java/net/vonforst/evmap/fragment/preference/BaseSettingsFragment.kt

@@ -12,14 +12,18 @@ import com.google.android.material.transition.MaterialFadeThrough
 import com.google.android.material.transition.MaterialSharedAxis
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
+import net.vonforst.evmap.storage.EncryptedPreferenceDataStore
 import net.vonforst.evmap.storage.PreferenceDataSource
 
 abstract class BaseSettingsFragment : PreferenceFragmentCompat(),
     SharedPreferences.OnSharedPreferenceChangeListener {
     protected lateinit var prefs: PreferenceDataSource
+    protected lateinit var encryptedPrefs: EncryptedPreferenceDataStore
     protected abstract val isTopLevel: Boolean
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        prefs = PreferenceDataSource(requireContext())
+        encryptedPrefs = EncryptedPreferenceDataStore(requireContext())
         super.onCreate(savedInstanceState)
 
         if (isTopLevel) {
@@ -40,8 +44,6 @@ abstract class BaseSettingsFragment : PreferenceFragmentCompat(),
             (requireActivity() as MapsActivity).appBarConfiguration
         )
 
-        prefs = PreferenceDataSource(requireContext())
-
         // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
         view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }

app/src/main/java/net/vonforst/evmap/fragment/preference/ChargepriceSettingsFragment.kt

@@ -2,13 +2,17 @@ package net.vonforst.evmap.fragment.preference
 
 import android.content.SharedPreferences
 import android.os.Bundle
+import android.text.SpannableStringBuilder
+import android.text.Spanned
+import android.text.style.RelativeSizeSpan
 import android.view.View
 import androidx.fragment.app.viewModels
-import androidx.preference.MultiSelectListPreference
 import net.vonforst.evmap.R
+import net.vonforst.evmap.ui.MultiSelectDialogPreference
 import net.vonforst.evmap.viewmodel.SettingsViewModel
 import net.vonforst.evmap.viewmodel.viewModelFactory
 
+
 class ChargepriceSettingsFragment : BaseSettingsFragment() {
     override val isTopLevel = false
 
@@ -22,8 +26,8 @@ class ChargepriceSettingsFragment : BaseSettingsFragment() {
         }
     })
 
-    private lateinit var myVehiclePreference: MultiSelectListPreference
-    private lateinit var myTariffsPreference: MultiSelectListPreference
+    private lateinit var myVehiclePreference: MultiSelectDialogPreference
+    private lateinit var myTariffsPreference: MultiSelectDialogPreference
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
@@ -34,8 +38,16 @@ class ChargepriceSettingsFragment : BaseSettingsFragment() {
             res.data?.let { cars ->
                 val sortedCars = cars.sortedBy { it.brand }
                 myVehiclePreference.entryValues = sortedCars.map { it.id }.toTypedArray()
-                myVehiclePreference.entries =
-                    sortedCars.map { "${it.brand} ${it.name}" }.toTypedArray()
+                myVehiclePreference.entries = sortedCars.map {
+                    SpannableStringBuilder().apply {
+                        appendLine("${it.brand} ${it.name}")
+                        append(
+                            it.formatSpecs(),
+                            RelativeSizeSpan(0.86f),
+                            Spanned.SPAN_INCLUSIVE_EXCLUSIVE
+                        )
+                    }
+                }.toTypedArray()
                 myVehiclePreference.isEnabled = true
                 updateMyVehiclesSummary()
             }
@@ -78,9 +90,9 @@ class ChargepriceSettingsFragment : BaseSettingsFragment() {
     private fun updateMyVehiclesSummary() {
         vm.vehicles.value?.data?.let { cars ->
             val vehicles = cars.filter { it.id in prefs.chargepriceMyVehicles }
-            val summary = vehicles.map {
+            val summary = vehicles.joinToString(", ") {
                 "${it.brand} ${it.name}"
-            }.joinToString(", ")
+            }
             myVehiclePreference.summary = summary
         }
     }

app/src/main/java/net/vonforst/evmap/fragment/preference/DataSettingsFragment.kt

@@ -1,14 +1,28 @@
 package net.vonforst.evmap.fragment.preference
 
 import android.content.SharedPreferences
+import android.net.Uri
 import android.os.Bundle
+import android.view.View
 import android.widget.TextView
+import androidx.fragment.app.setFragmentResultListener
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
+import androidx.navigation.fragment.findNavController
 import androidx.preference.Preference
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.snackbar.Snackbar
+import kotlinx.coroutines.launch
 import net.vonforst.evmap.R
+import net.vonforst.evmap.addDebugInterceptors
+import net.vonforst.evmap.api.availability.TeslaAuthenticationApi
+import net.vonforst.evmap.api.availability.TeslaOwnerApi
+import net.vonforst.evmap.fragment.oauth.OAuthLoginFragmentArgs
 import net.vonforst.evmap.viewmodel.SettingsViewModel
 import net.vonforst.evmap.viewmodel.viewModelFactory
+import okhttp3.OkHttpClient
+import okio.IOException
+import java.time.Instant
 
 class DataSettingsFragment : BaseSettingsFragment() {
     override val isTopLevel = false
@@ -23,8 +37,53 @@ class DataSettingsFragment : BaseSettingsFragment() {
         }
     })
 
+    private lateinit var teslaAccountPreference: Preference
+
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.settings_data, rootKey)
+        teslaAccountPreference = findPreference("tesla_account")!!
+        refreshTeslaAccountStatus()
+
+        vm.chargerCacheCount.observe(this) {
+            updateCacheSizeSummary()
+        }
+        vm.chargerCacheSize.observe(this) {
+            updateCacheSizeSummary()
+        }
+    }
+
+    private fun updateCacheSizeSummary() {
+        val count = vm.chargerCacheCount.value ?: return
+        val size = vm.chargerCacheSize.value ?: return
+        val sizeMb = size.toFloat() / 1024 / 1024
+        findPreference<Preference>("cache_size")!!.summary =
+            getString(R.string.settings_cache_count_summary, count, sizeMb)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        arguments?.let {
+            val args = DataSettingsFragmentArgs.fromBundle(it)
+            if (args.startTeslaLogin) {
+                teslaLogin()
+                arguments = null
+            }
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        refreshTeslaAccountStatus()
+    }
+
+    private fun refreshTeslaAccountStatus() {
+        teslaAccountPreference.summary =
+            if (encryptedPrefs.teslaRefreshToken != null) {
+                getString(R.string.pref_tesla_account_enabled, encryptedPrefs.teslaEmail)
+            } else {
+                getString(R.string.pref_tesla_account_disabled)
+            }
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
@@ -60,7 +119,91 @@ class DataSettingsFragment : BaseSettingsFragment() {
                 vm.deleteRecentSearchResults()
                 true
             }
+
+            "tesla_account" -> {
+                if (encryptedPrefs.teslaRefreshToken != null) {
+                    teslaLogout()
+                } else {
+                    teslaLogin()
+                }
+                true
+            }
+
+            "cache_clear" -> {
+                vm.clearChargerCache()
+                true
+            }
+
             else -> super.onPreferenceTreeClick(preference)
         }
     }
+
+    private fun teslaLogin() {
+        val codeVerifier = TeslaAuthenticationApi.generateCodeVerifier()
+        val codeChallenge = TeslaAuthenticationApi.generateCodeChallenge(codeVerifier)
+        val uri = Uri.parse("https://auth.tesla.com/oauth2/v3/authorize").buildUpon()
+            .appendQueryParameter("client_id", "ownerapi")
+            .appendQueryParameter("code_challenge", codeChallenge)
+            .appendQueryParameter("code_challenge_method", "S256")
+            .appendQueryParameter("redirect_uri", "https://auth.tesla.com/void/callback")
+            .appendQueryParameter("response_type", "code")
+            .appendQueryParameter("scope", "openid email offline_access")
+            .appendQueryParameter("state", "123").build()
+
+        val args = OAuthLoginFragmentArgs(
+            uri.toString(),
+            "https://auth.tesla.com/void/callback",
+            "#000000"
+        ).toBundle()
+
+        setFragmentResultListener(uri.toString()) { _, result ->
+            teslaGetAccessToken(result, codeVerifier)
+        }
+
+        findNavController().navigate(R.id.oauth_login, args)
+    }
+
+    private fun teslaGetAccessToken(result: Bundle, codeVerifier: String) {
+        teslaAccountPreference.summary = getString(R.string.logging_in)
+
+        val url = Uri.parse(result.getString("url"))
+        val code = url.getQueryParameter("code") ?: return
+        val okhttp = OkHttpClient.Builder().addDebugInterceptors().build()
+        val request = TeslaAuthenticationApi.AuthCodeRequest(code, codeVerifier)
+        lifecycleScope.launch {
+            try {
+                val time = Instant.now().epochSecond
+                val response =
+                    TeslaAuthenticationApi.create(okhttp).getToken(request)
+                val userResponse =
+                    TeslaOwnerApi.create(okhttp, response.accessToken).getUserInfo()
+
+                encryptedPrefs.teslaEmail = userResponse.response.email
+                encryptedPrefs.teslaAccessToken = response.accessToken
+                encryptedPrefs.teslaAccessTokenExpiry = time + response.expiresIn
+                encryptedPrefs.teslaRefreshToken = response.refreshToken
+            } catch (e: IOException) {
+                view?.let {
+                    Snackbar.make(it, R.string.connection_error, Snackbar.LENGTH_SHORT).show()
+                }
+            }
+            refreshTeslaAccountStatus()
+        }
+    }
+
+    private fun teslaLogout() {
+        MaterialAlertDialogBuilder(requireContext())
+            .setMessage(getString(R.string.pref_tesla_account_enabled, encryptedPrefs.teslaEmail))
+            .setPositiveButton(R.string.ok) { _, _ -> }
+            .setNegativeButton(R.string.log_out) { _, _ ->
+                // sign out
+                encryptedPrefs.teslaRefreshToken = null
+                encryptedPrefs.teslaAccessToken = null
+                encryptedPrefs.teslaAccessTokenExpiry = -1
+                encryptedPrefs.teslaEmail = null
+                view?.let { Snackbar.make(it, R.string.logged_out, Snackbar.LENGTH_SHORT).show() }
+                refreshTeslaAccountStatus()
+            }
+            .show()
+    }
 }

app/src/main/java/net/vonforst/evmap/fragment/preference/DeveloperSettingsFragment.kt

@@ -0,0 +1,102 @@
+package net.vonforst.evmap.fragment.preference
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.content.pm.PackageManager
+import android.location.Location
+import android.location.LocationManager
+import android.os.Build
+import android.os.Bundle
+import android.text.format.DateUtils
+import android.view.View
+import android.widget.Toast
+import androidx.core.content.ContextCompat
+import androidx.navigation.fragment.findNavController
+import androidx.preference.Preference
+import net.vonforst.evmap.R
+
+class DeveloperSettingsFragment : BaseSettingsFragment() {
+    override val isTopLevel = false
+    private val locationManager: LocationManager by lazy {
+        requireContext().getSystemService(Context.LOCATION_SERVICE) as LocationManager
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.settings_developer, rootKey)
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val locationPref = findPreference<Preference>("location_status")!!
+        val coarseGranted = ContextCompat.checkSelfPermission(
+            requireContext(),
+            android.Manifest.permission.ACCESS_COARSE_LOCATION
+        ) == PackageManager.PERMISSION_GRANTED
+        val fineGranted = ContextCompat.checkSelfPermission(
+            requireContext(),
+            android.Manifest.permission.ACCESS_FINE_LOCATION
+        ) == PackageManager.PERMISSION_GRANTED
+        locationPref.summary = buildString {
+            append("Coarse location permission: ")
+            appendLine(if (coarseGranted) "granted" else "not granted")
+            append("Fine location permission: ")
+            appendLine(if (fineGranted) "granted" else "not granted")
+            appendLine()
+
+            if (coarseGranted) {
+                append("Last network location: ")
+                appendLine(printLocation(locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER)))
+            }
+            if (fineGranted) {
+                append("Last GPS location: ")
+                appendLine(printLocation(locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER)))
+
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && locationManager.allProviders.contains(
+                        LocationManager.FUSED_PROVIDER
+                    )
+                ) {
+                    append("Last fused location: ")
+                    append(printLocation(locationManager.getLastKnownLocation(LocationManager.FUSED_PROVIDER)))
+                } else {
+                    append("System's fused location provider not available")
+                }
+            }
+        }
+    }
+
+    override fun onPreferenceTreeClick(preference: Preference): Boolean {
+        return when (preference.key) {
+            "disable_developer_mode" -> {
+                prefs.developerModeEnabled = false
+                Toast.makeText(
+                    requireContext(),
+                    getString(R.string.developer_mode_disabled),
+                    Toast.LENGTH_SHORT
+                ).show()
+                findNavController().popBackStack()
+                true
+            }
+
+            else -> super.onPreferenceTreeClick(preference)
+        }
+    }
+
+
+    fun printLocation(location: Location?): String {
+        if (location == null) return "not available"
+
+        return buildString {
+            append("%.4f".format(location.latitude))
+            append(",")
+            append("%.4f".format(location.longitude))
+            append(" (")
+            append(DateUtils.getRelativeTimeSpanString(location.time))
+            append(")")
+        }
+    }
+}

app/src/main/java/net/vonforst/evmap/fragment/preference/SettingsFragment.kt

@@ -2,20 +2,22 @@ package net.vonforst.evmap.fragment.preference
 
 import android.content.SharedPreferences
 import android.os.Bundle
-import android.view.View
+import androidx.preference.Preference
 import net.vonforst.evmap.R
 
 
 class SettingsFragment : BaseSettingsFragment() {
     override val isTopLevel = true
 
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-    }
-
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         addPreferencesFromResource(R.xml.settings)
         addPreferencesFromResource(R.xml.settings_variantspecific)
+        findPreference<Preference>("developer_options")?.isVisible = prefs.developerModeEnabled
+    }
+
+    override fun onResume() {
+        super.onResume()
+        findPreference<Preference>("developer_options")?.isVisible = prefs.developerModeEnabled
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {

app/src/main/java/net/vonforst/evmap/location/FusionEngine.kt

@@ -31,6 +31,7 @@ class FusionEngine(context: Context) : LocationEngine(context),
         context.getSystemService(Context.LOCATION_SERVICE) as LocationManager
     private var gpsLocation: Location? = null
     private var networkLocation: Location? = null
+    private var fusedLocation: Location? = null
 
     private val supportsSystemFusedProvider: Boolean
         get() = Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && locationManager.allProviders.contains(
@@ -101,7 +102,6 @@ class FusionEngine(context: Context) : LocationEngine(context),
             try {
                 enableFused(gpsInterval)
                 checkLastKnownFused()
-                return
             } catch (e: SecurityException) {
                 Log.e(TAG, "Permissions not granted for fused provider", e)
             }
@@ -143,6 +143,9 @@ class FusionEngine(context: Context) : LocationEngine(context),
     @RequiresPermission(anyOf = [Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION])
     override fun disable() {
         locationManager.removeUpdates(this)
+        gpsLocation = null
+        networkLocation = null
+        fusedLocation = null
     }
 
     @RequiresPermission(anyOf = [Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION])
@@ -235,15 +238,16 @@ class FusionEngine(context: Context) : LocationEngine(context),
 
     override fun onLocationChanged(location: Location) {
         if (LocationManager.FUSED_PROVIDER == location.provider) {
+            fusedLocation = location
             requests.forEach { it.listener.onLocationChanged(location) }
         } else if (LocationManager.GPS_PROVIDER == location.provider) {
             gpsLocation = location
-            if (gpsLocation.isBetterThan(networkLocation)) {
+            if (gpsLocation.isBetterThan(networkLocation) && fusedLocation == null) {
                 requests.forEach { it.listener.onLocationChanged(location) }
             }
         } else if (LocationManager.NETWORK_PROVIDER == location.provider) {
             networkLocation = location
-            if (networkLocation.isBetterThan(gpsLocation)) {
+            if (networkLocation.isBetterThan(gpsLocation) && fusedLocation == null) {
                 requests.forEach { it.listener.onLocationChanged(location) }
             }
         }

app/src/main/java/net/vonforst/evmap/model/ChargersModel.kt

@@ -58,12 +58,12 @@ data class ChargeLocation(
     val id: Long,
     val dataSource: String,
     val name: String,
-    @Embedded val coordinates: Coordinate,
+    val coordinates: Coordinate,
     @Embedded val address: Address?,
     val chargepoints: List<Chargepoint>,
     val network: String?,
-    val url: String,
-    val editUrl: String?,
+    val url: String,  // URL of this charger at the data source
+    val editUrl: String?,  // URL to edit this charger at the data source
     @Embedded(prefix = "fault_report_") val faultReport: FaultReport?,
     val verified: Boolean,
     val barrierFree: Boolean?,
@@ -78,6 +78,8 @@ data class ChargeLocation(
     @Embedded val cost: Cost?,
     val license: String?,
     @Embedded(prefix = "chargeprice") val chargepriceData: ChargepriceData?,
+    val networkUrl: String?,  // Website of the network
+    val chargerUrl: String?,  // Website for this specific charging site. Might be an ad-hoc payment page.
     val timeRetrieved: Instant,
     val isDetailed: Boolean
 ) : ChargepointListItem(), Equatable, Parcelable {
@@ -136,9 +138,9 @@ data class ChargeLocation(
         get() = chargepoints.sumOf { it.count }
 
     fun formatChargepoints(sp: StringProvider): String {
-        return chargepointsMerged.map {
+        return chargepointsMerged.joinToString(" · ") {
             "${it.count} × ${nameForPlugType(sp, it.type)} ${it.formatPower()}"
-        }.joinToString(" · ")
+        }
     }
 }
 
@@ -332,12 +334,25 @@ data class Hours(
 }
 
 abstract class ChargerPhoto(open val id: String) : Parcelable {
-    abstract fun getUrl(height: Int? = null, width: Int? = null, size: Int? = null): String
+    /**
+     * Gets a URL of the image corresponding to a given size.
+     *
+     * If the data source supports accessing the image in its original (potentially unlimited) size,
+     * this size will only be returned if allowOriginal is set to true. Otherwise, only scaled
+     * versions of the images will be returned.
+     */
+    abstract fun getUrl(
+        height: Int? = null,
+        width: Int? = null,
+        size: Int? = null,
+        allowOriginal: Boolean = false
+    ): String
 }
 
 data class ChargeLocationCluster(
     val clusterCount: Int,
-    val coordinates: Coordinate
+    val coordinates: Coordinate,
+    val items: List<ChargeLocation>? = null
 ) : ChargepointListItem()
 
 @Parcelize

app/src/main/java/net/vonforst/evmap/model/FavoritesModel.kt

@@ -23,6 +23,6 @@ data class Favorite(
 )
 
 data class FavoriteWithDetail(
-    @Embedded() val favorite: Favorite,
+    @Embedded val favorite: Favorite,
     @Embedded val charger: ChargeLocation
 )

app/src/main/java/net/vonforst/evmap/model/FiltersModel.kt

@@ -6,6 +6,7 @@ import androidx.room.ForeignKey
 import androidx.room.Index
 import net.vonforst.evmap.adapter.Equatable
 import net.vonforst.evmap.storage.FilterProfile
+import java.net.URLEncoder
 import kotlin.reflect.KClass
 
 sealed class Filter<out T : FilterValue> : Equatable {
@@ -51,6 +52,8 @@ sealed class FilterValue : BaseObservable(), Equatable {
     var profile: Long = FILTERS_CUSTOM
 
     abstract fun hasSameValueAs(other: FilterValue): Boolean
+
+    abstract fun serializeValue(): String
 }
 
 @Entity(
@@ -72,6 +75,8 @@ data class BooleanFilterValue(
     override fun hasSameValueAs(other: FilterValue): Boolean {
         return other is BooleanFilterValue && other.value == this.value
     }
+
+    override fun serializeValue(): String = value.toString()
 }
 
 @Entity(
@@ -99,6 +104,12 @@ data class MultipleChoiceFilterValue(
             !this.all && other.values == this.values
         }
     }
+
+    override fun serializeValue(): String = if (all) {
+        "ALL"
+    } else {
+        "[" + values.sorted().joinToString(",") { URLEncoder.encode(it, "UTF-8") } + "]"
+    }
 }
 
 @Entity(
@@ -120,6 +131,8 @@ data class SliderFilterValue(
     override fun hasSameValueAs(other: FilterValue): Boolean {
         return other is SliderFilterValue && other.value == this.value
     }
+
+    override fun serializeValue() = value.toString()
 }
 
 data class FilterWithValue<T : FilterValue>(val filter: Filter<T>, val value: T) : Equatable
@@ -138,6 +151,9 @@ fun FilterValues.getMultipleChoiceFilter(key: String) =
 fun FilterValues.getMultipleChoiceValue(key: String) =
     this.find { it.value.key == key }?.value as MultipleChoiceFilterValue?
 
+fun FilterValues.serialize() = this.sortedBy { it.value.key }
+    .joinToString(",") { it.value.key + "=" + it.value.serializeValue() }
+
 const val FILTERS_DISABLED = -2L
 const val FILTERS_CUSTOM = -1L
 const val FILTERS_FAVORITES = -3L

app/src/main/java/net/vonforst/evmap/storage/BackupAgent.kt

@@ -0,0 +1,54 @@
+package net.vonforst.evmap.storage
+
+import android.app.backup.BackupAgent
+import android.app.backup.BackupDataInput
+import android.app.backup.BackupDataOutput
+import android.app.backup.FullBackupDataOutput
+import android.os.ParcelFileDescriptor
+import kotlinx.coroutines.runBlocking
+import java.time.Instant
+
+private const val backupFileName = "evmap-backup.db"
+
+class BackupAgent : BackupAgent() {
+    override fun onBackup(
+        oldState: ParcelFileDescriptor,
+        data: BackupDataOutput,
+        newState: ParcelFileDescriptor
+    ) {
+        // unused on Android M+, we don't support backups on older versions
+    }
+
+    override fun onRestore(
+        data: BackupDataInput,
+        appVersionCode: Int,
+        newState: ParcelFileDescriptor
+    ) {
+        // unused on Android M+, we don't support backups on older versions
+    }
+
+    override fun onFullBackup(data: FullBackupDataOutput) {
+        runBlocking {
+            // creates a backup of the app database to evmap-backup.db
+            AppDatabase.getInstance(applicationContext).createBackup(
+                applicationContext,
+                backupFileName
+            )
+        }
+        super.onFullBackup(data)
+        val backupDb = applicationContext.getDatabasePath(backupFileName)
+        if (backupDb.exists()) backupDb.delete()
+    }
+
+    override fun onRestoreFinished() {
+        super.onRestoreFinished()
+        // rename restored backup DB as evmap.db
+        val backupDb = applicationContext.getDatabasePath(backupFileName)
+        if (backupDb.exists()) {
+            backupDb.renameTo(applicationContext.getDatabasePath("evmap.db"))
+        }
+        // clear cache age
+        PreferenceDataSource(applicationContext).lastGeReferenceDataUpdate = Instant.EPOCH
+        PreferenceDataSource(applicationContext).lastOcmReferenceDataUpdate = Instant.EPOCH
+    }
+}

app/src/main/java/net/vonforst/evmap/storage/CacheLiveData.kt

@@ -0,0 +1,131 @@
+package net.vonforst.evmap.storage
+
+import android.util.Log
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MediatorLiveData
+import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.viewmodel.Resource
+import net.vonforst.evmap.viewmodel.Status
+import java.time.Duration
+import java.time.Instant
+
+/**
+ * LiveData implementation that allows loading data both from a cache and an API.
+ *
+ * It gives the cache result while loading, and then switches to the API result if the API call was
+ * successful.
+ */
+class CacheLiveData<T>(
+    cache: LiveData<T>,
+    api: LiveData<Resource<T>>,
+    skipApi: LiveData<Boolean>? = null
+) :
+    MediatorLiveData<Resource<T>>() {
+    private var cacheResult: T? = null
+    private var apiResult: Resource<T>? = null
+    private var skipApiResult: Boolean = false
+
+    init {
+        updateValue()
+        addSource(cache) {
+            cacheResult = it
+            removeSource(cache)
+            updateValue()
+        }
+        if (skipApi == null) {
+            addSource(api) {
+                apiResult = it
+                updateValue()
+            }
+        } else {
+            addSource(skipApi) { skip ->
+                removeSource(skipApi)
+                skipApiResult = skip
+                updateValue()
+                if (!skip) {
+                    addSource(api) {
+                        apiResult = it
+                        updateValue()
+                    }
+                }
+            }
+        }
+    }
+
+    private fun updateValue() {
+        val api = apiResult
+        val cache = cacheResult
+
+        if (api == null && cache == null) {
+            Log.d("CacheLiveData", "both API and cache are still loading")
+            // both API and cache are still loading
+            value = Resource.loading(null)
+        } else if (cache != null && api == null) {
+            Log.d("CacheLiveData", "cache has finished loading before API")
+            // cache has finished loading before API
+            if (skipApiResult) {
+                value = Resource.success(cache)
+            } else {
+                value = Resource.loading(cache)
+            }
+        } else if (cache == null && api != null) {
+            Log.d("CacheLiveData", "API has finished loading before cache")
+            // API has finished loading before cache
+            value = when (api.status) {
+                Status.SUCCESS -> api
+                Status.ERROR -> Resource.loading(api.data)
+                Status.LOADING -> api  // should not occur
+            }
+        } else if (cache != null && api != null) {
+            Log.d("CacheLiveData", "Both cache and API have finished loading")
+            // Both cache and API have finished loading
+            value = when (api.status) {
+                Status.SUCCESS -> api
+                Status.ERROR -> Resource.error(api.message, cache)
+                Status.LOADING -> api  // should not occur
+            }
+        }
+    }
+}
+
+/**
+ * LiveData implementation that allows loading data both from a cache and an API.
+ *
+ * It first tries loading from cache, and if the result is newer than `cacheSoftLimit` it does not
+ * reload from the API.
+ */
+class PreferCacheLiveData(
+    cache: LiveData<ChargeLocation>,
+    val api: LiveData<Resource<ChargeLocation>>,
+    cacheSoftLimit: Duration
+) :
+    MediatorLiveData<Resource<ChargeLocation>>() {
+    init {
+        value = Resource.loading(null)
+        addSource(cache) { cacheRes ->
+            removeSource(cache)
+            if (cacheRes != null) {
+                if (cacheRes.isDetailed && cacheRes.timeRetrieved > Instant.now() - cacheSoftLimit) {
+                    value = Resource.success(cacheRes)
+                } else {
+                    value = Resource.loading(cacheRes)
+                    loadFromApi(cacheRes)
+                }
+            } else {
+                loadFromApi(null)
+            }
+        }
+    }
+
+    private fun loadFromApi(
+        cache: ChargeLocation?
+    ) {
+        addSource(api) { apiRes ->
+            value = when (apiRes.status) {
+                Status.SUCCESS -> apiRes
+                Status.ERROR -> Resource.error(apiRes.message, cache)
+                Status.LOADING -> Resource.loading(cache)
+            }
+        }
+    }
+}

app/src/main/java/net/vonforst/evmap/storage/ChargeLocationsDao.kt

@@ -1,34 +1,103 @@
 package net.vonforst.evmap.storage
 
 import androidx.lifecycle.*
-import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
-import androidx.room.OnConflictStrategy
+import androidx.room.*
+import androidx.sqlite.db.SimpleSQLiteQuery
+import androidx.sqlite.db.SupportSQLiteQuery
+import co.anbora.labs.spatia.geometry.Mbr
+import co.anbora.labs.spatia.geometry.Polygon
 import com.car2go.maps.model.LatLng
 import com.car2go.maps.model.LatLngBounds
+import com.car2go.maps.util.SphericalUtil
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
 import net.vonforst.evmap.api.ChargepointApi
+import net.vonforst.evmap.api.ChargepointList
 import net.vonforst.evmap.api.StringProvider
 import net.vonforst.evmap.api.goingelectric.GEReferenceData
 import net.vonforst.evmap.api.goingelectric.GoingElectricApiWrapper
 import net.vonforst.evmap.api.openchargemap.OpenChargeMapApiWrapper
 import net.vonforst.evmap.model.*
+import net.vonforst.evmap.ui.cluster
 import net.vonforst.evmap.viewmodel.Resource
+import net.vonforst.evmap.viewmodel.Status
 import net.vonforst.evmap.viewmodel.await
+import net.vonforst.evmap.viewmodel.getClusterDistance
+import net.vonforst.evmap.viewmodel.singleSwitchMap
+import java.time.Duration
+import java.time.Instant
+import kotlin.math.sqrt
 
 @Dao
 abstract class ChargeLocationsDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     abstract suspend fun insert(vararg locations: ChargeLocation)
 
+    @Query("SELECT EXISTS(SELECT 1 FROM chargelocation WHERE dataSource == :dataSource AND id == :id AND isDetailed == 1 AND timeRetrieved > :after )")
+    abstract suspend fun checkExistsDetailed(id: Long, dataSource: String, after: Long): Boolean
+
+    suspend fun insertOrReplaceIfNoDetailedExists(
+        afterDate: Long,
+        vararg locations: ChargeLocation
+    ) {
+        locations.forEach {
+            if (it.isDetailed || !checkExistsDetailed(it.id, it.dataSource, afterDate)) {
+                insert(it)
+            }
+        }
+    }
+
     @Delete
     abstract suspend fun delete(vararg locations: ChargeLocation)
+
+    @Query("DELETE FROM chargelocation WHERE dataSource == :dataSource AND timeRetrieved <= :before AND NOT EXISTS (SELECT 1 FROM favorite WHERE favorite.chargerId = chargelocation.id)")
+    abstract suspend fun deleteOutdatedIfNotFavorite(dataSource: String, before: Long)
+
+    @Query("DELETE FROM chargelocation WHERE NOT EXISTS (SELECT 1 FROM favorite WHERE favorite.chargerId = chargelocation.id)")
+    abstract suspend fun deleteAllIfNotFavorite()
+
+    @Query("SELECT * FROM chargelocation WHERE dataSource == :dataSource AND id == :id AND isDetailed == 1 AND timeRetrieved > :after")
+    abstract fun getChargeLocationById(
+        id: Long,
+        dataSource: String,
+        after: Long
+    ): LiveData<ChargeLocation>
+
+    @SkipQueryVerification
+    @Query("SELECT * FROM chargelocation WHERE dataSource == :dataSource AND Within(coordinates, BuildMbr(:lng1, :lat1, :lng2, :lat2)) AND timeRetrieved > :after")
+    abstract fun getChargeLocationsInBounds(
+        lat1: Double,
+        lat2: Double,
+        lng1: Double,
+        lng2: Double,
+        dataSource: String,
+        after: Long
+    ): LiveData<List<ChargeLocation>>
+
+    @SkipQueryVerification
+    @Query("SELECT * FROM chargelocation WHERE dataSource == :dataSource AND PtDistWithin(coordinates, MakePoint(:lng, :lat, 4326), :radius) AND timeRetrieved > :after ORDER BY Distance(coordinates, MakePoint(:lng, :lat, 4326))")
+    abstract fun getChargeLocationsRadius(
+        lat: Double,
+        lng: Double,
+        radius: Double,
+        dataSource: String,
+        after: Long
+    ): LiveData<List<ChargeLocation>>
+
+    @RawQuery(observedEntities = [ChargeLocation::class])
+    abstract fun getChargeLocationsCustom(query: SupportSQLiteQuery): LiveData<List<ChargeLocation>>
+
+    @Query("SELECT COUNT(*) FROM chargelocation")
+    abstract fun getCount(): LiveData<Long>
+
+    @SkipQueryVerification
+    @Query("SELECT SUM(pgsize) FROM dbstat WHERE name == \"ChargeLocation\"")
+    abstract suspend fun getSize(): Long
 }
 
 /**
  * The ChargeLocationsRepository wraps the ChargepointApi and the DB to provide caching
- * functionality.
+ * and clustering functionality.
  */
 class ChargeLocationsRepository(
     api: ChargepointApi<ReferenceData>, private val scope: CoroutineScope,
@@ -36,6 +105,13 @@ class ChargeLocationsRepository(
 ) {
     val api = MutableLiveData<ChargepointApi<ReferenceData>>().apply { value = api }
 
+    // if zoom level is below this value, server-side clustering will be used (if the API provides it)
+    private val serverSideClusteringThreshold = 9f
+    private fun shouldUseServerSideClustering(zoom: Float) = zoom < serverSideClusteringThreshold
+
+    // if cached data is available and more recent than this duration, API will not be queried
+    private val cacheSoftLimit = Duration.ofDays(1)
+
     val referenceData = this.api.switchMap { api ->
         when (api) {
             is GoingElectricApiWrapper -> {
@@ -61,18 +137,70 @@ class ChargeLocationsRepository(
     }
 
     private val chargeLocationsDao = db.chargeLocationsDao()
+    private val savedRegionDao = db.savedRegionDao()
 
     fun getChargepoints(
         bounds: LatLngBounds,
         zoom: Float,
         filters: FilterValues?
     ): LiveData<Resource<List<ChargepointListItem>>> {
-        return liveData {
-            val refData = referenceData.await()
-            val result = api.value!!.getChargepoints(refData, bounds, zoom, filters)
+        val api = api.value!!
 
-            emit(result)
+        val dbResult = if (filters == null) {
+            chargeLocationsDao.getChargeLocationsInBounds(
+                bounds.southwest.latitude,
+                bounds.northeast.latitude,
+                bounds.southwest.longitude,
+                bounds.northeast.longitude,
+                api.id,
+                cacheLimitDate(api)
+            )
+        } else {
+            queryWithFilters(api, filters, bounds)
+        }.map { applyLocalClustering(it, zoom) }
+        val filtersSerialized =
+            filters?.filter { it.value != it.filter.defaultValue() }?.takeIf { it.isNotEmpty() }
+                ?.serialize()
+        val requiresDetail = filters?.let { api.filteringInSQLRequiresDetails(it) } ?: false
+        val savedRegionResult = savedRegionDao.savedRegionCovers(
+            bounds.southwest.latitude,
+            bounds.northeast.latitude,
+            bounds.southwest.longitude,
+            bounds.northeast.longitude,
+            api.id,
+            cacheSoftLimitDate(api),
+            filtersSerialized,
+            requiresDetail
+        )
+        val useClustering = shouldUseServerSideClustering(zoom)
+        val apiResult = liveData {
+            val refData = referenceData.await()
+            val time = Instant.now()
+            val result = api.getChargepoints(refData, bounds, zoom, useClustering, filters)
+            emit(applyLocalClustering(result, zoom))
+            if (result.status == Status.SUCCESS) {
+                val chargers = result.data!!.items.filterIsInstance<ChargeLocation>()
+                chargeLocationsDao.insertOrReplaceIfNoDetailedExists(
+                    cacheLimitDate(api), *chargers.toTypedArray()
+                )
+                if (chargers.size == result.data.items.size && result.data.isComplete) {
+                    val region = Mbr(
+                        bounds.southwest.longitude,
+                        bounds.southwest.latitude,
+                        bounds.northeast.longitude,
+                        bounds.northeast.latitude, 4326
+                    ).asPolygon()
+                    savedRegionDao.insert(
+                        SavedRegion(
+                            region, api.id, time,
+                            filtersSerialized,
+                            false
+                        )
+                    )
+                }
+            }
         }
+        return CacheLiveData(dbResult, apiResult, savedRegionResult).distinctUntilChanged()
     }
 
     fun getChargepointsRadius(
@@ -81,23 +209,119 @@ class ChargeLocationsRepository(
         zoom: Float,
         filters: FilterValues?
     ): LiveData<Resource<List<ChargepointListItem>>> {
-        return liveData {
-            val refData = referenceData.await()
-            val result = api.value!!.getChargepointsRadius(refData, location, radius, zoom, filters)
+        val api = api.value!!
 
-            emit(result)
+        val radiusMeters = radius.toDouble() * 1000
+        val dbResult = if (filters == null) {
+            chargeLocationsDao.getChargeLocationsRadius(
+                location.latitude,
+                location.longitude,
+                radiusMeters,
+                api.id,
+                cacheLimitDate(api)
+            )
+        } else {
+            queryWithFilters(api, filters, location, radiusMeters)
+        }.map { applyLocalClustering(it, zoom) }
+        val filtersSerialized =
+            filters?.filter { it.value != it.filter.defaultValue() }?.takeIf { it.isNotEmpty() }
+                ?.serialize()
+        val requiresDetail = filters?.let { api.filteringInSQLRequiresDetails(it) } ?: false
+        val savedRegionResult = savedRegionDao.savedRegionCoversRadius(
+            location.latitude,
+            location.longitude,
+            radiusMeters * 0.999,  // to account for float rounding errors
+            api.id,
+            cacheSoftLimitDate(api),
+            filtersSerialized,
+            requiresDetail
+        )
+        val useClustering = shouldUseServerSideClustering(zoom)
+        val apiResult = liveData {
+            val refData = referenceData.await()
+            val time = Instant.now()
+            val result =
+                api.getChargepointsRadius(refData, location, radius, zoom, useClustering, filters)
+            emit(applyLocalClustering(result, zoom))
+            if (result.status == Status.SUCCESS) {
+                val chargers = result.data!!.items.filterIsInstance<ChargeLocation>()
+                chargeLocationsDao.insertOrReplaceIfNoDetailedExists(
+                    cacheLimitDate(api), *chargers.toTypedArray()
+                )
+                if (chargers.size == result.data.items.size && result.data.isComplete) {
+                    val region = Polygon(
+                        savedRegionDao.makeCircle(
+                            location.latitude,
+                            location.longitude,
+                            radiusMeters
+                        )
+                    )
+                    savedRegionDao.insert(
+                        SavedRegion(
+                            region, api.id, time,
+                            filtersSerialized,
+                            false
+                        )
+                    )
+                }
+            }
         }
+        return CacheLiveData(dbResult, apiResult, savedRegionResult).distinctUntilChanged()
+    }
+
+    private fun applyLocalClustering(
+        result: Resource<ChargepointList>,
+        zoom: Float
+    ): Resource<List<ChargepointListItem>> {
+        val list = result.data ?: return Resource(result.status, null, result.message)
+        val chargers = list.items.filterIsInstance<ChargeLocation>()
+
+        if (chargers.size != list.items.size) return Resource(
+            result.status,
+            list.items,
+            result.message
+        )  // list already contains clusters
+
+        val clustered = applyLocalClustering(chargers, zoom)
+        return Resource(result.status, clustered, result.message)
+    }
+
+    private fun applyLocalClustering(
+        chargers: List<ChargeLocation>,
+        zoom: Float
+    ): List<ChargepointListItem> {
+        /* in very crowded places (good example: central London on OpenChargeMap without filters)
+           we have to cluster even at pretty high zoom levels to make sure the map does not get
+           laggy. Otherwise, only cluster at zoom levels <= 11. */
+        val useClustering = chargers.size > 500 || zoom <= 11f
+        val clusterDistance = getClusterDistance(zoom)
+
+        val chargersClustered = if (useClustering && clusterDistance != null) {
+            Dispatchers.Default.run {
+                cluster(chargers, zoom, clusterDistance)
+            }
+        } else chargers
+        return chargersClustered
     }
 
     fun getChargepointDetail(
         id: Long
     ): LiveData<Resource<ChargeLocation>> {
-        return liveData {
+        val dbResult = chargeLocationsDao.getChargeLocationById(
+            id,
+            prefs.dataSource,
+            cacheLimitDate(api.value!!)
+        )
+        val apiResult = liveData {
             emit(Resource.loading(null))
             val refData = referenceData.await()
             val result = api.value!!.getChargepointDetail(refData, id)
             emit(result)
+            if (result.status == Status.SUCCESS) {
+                chargeLocationsDao.insert(result.data!!)
+            }
         }
+        return PreferCacheLiveData(dbResult, apiResult, cacheSoftLimit)
     }
 
     fun getFilters(sp: StringProvider) = MediatorLiveData<List<Filter<FilterValue>>>().apply {
@@ -122,4 +346,79 @@ class ChargeLocationsRepository(
             }
         }
     }
+
+    private fun queryWithFilters(
+        api: ChargepointApi<ReferenceData>,
+        filters: FilterValues,
+        bounds: LatLngBounds
+    ): LiveData<List<ChargeLocation>> {
+        val region =
+            "Within(coordinates, BuildMbr(${bounds.southwest.longitude}, ${bounds.southwest.latitude}, ${bounds.northeast.longitude}, ${bounds.northeast.latitude}))"
+        return queryWithFilters(api, filters, region)
+    }
+
+    private fun queryWithFilters(
+        api: ChargepointApi<ReferenceData>,
+        filters: FilterValues,
+        location: LatLng,
+        radius: Double
+    ): LiveData<List<ChargeLocation>> {
+        val region =
+            "PtDistWithin(coordinates, MakePoint(${location.longitude}, ${location.latitude}, 4326), ${radius})"
+        val order =
+            "ORDER BY Distance(coordinates, MakePoint(${location.longitude}, ${location.latitude}, 4326))"
+        return queryWithFilters(api, filters, region, order)
+    }
+
+    private fun queryWithFilters(
+        api: ChargepointApi<ReferenceData>,
+        filters: FilterValues,
+        regionSql: String,
+        orderSql: String? = null
+    ): LiveData<List<ChargeLocation>> = referenceData.singleSwitchMap { refData ->
+        try {
+            val query = api.convertFiltersToSQL(filters, refData)
+            val after = cacheLimitDate(api)
+            val sql = StringBuilder().apply {
+                append("SELECT")
+                if (query.requiresChargeCardQuery or query.requiresChargepointQuery) {
+                    append(" DISTINCT chargelocation.*")
+                } else {
+                    append(" *")
+                }
+                append(" FROM chargelocation")
+                if (query.requiresChargepointQuery) {
+                    append(" JOIN json_each(chargelocation.chargepoints) AS cp")
+                }
+                if (query.requiresChargeCardQuery) {
+                    append(" JOIN json_each(chargelocation.chargecards) AS cc")
+                }
+                append(" WHERE dataSource == '${prefs.dataSource}'")
+                append(" AND $regionSql")
+                append(" AND timeRetrieved > $after")
+                append(query.query)
+                orderSql?.let { append(" " + orderSql) }
+            }.toString()
+
+            chargeLocationsDao.getChargeLocationsCustom(
+                SimpleSQLiteQuery(
+                    sql,
+                    null
+                )
+            )
+        } catch (e: NotImplementedError) {
+            MutableLiveData()  // in this case we cannot get a DB result
+        }
+    }
+
+
+    private fun cacheLimitDate(api: ChargepointApi<ReferenceData>): Long {
+        val cacheLimit = api.cacheLimit
+        return Instant.now().minus(cacheLimit).toEpochMilli()
+    }
+
+    private fun cacheSoftLimitDate(api: ChargepointApi<ReferenceData>): Long {
+        val cacheLimit = maxOf(api.cacheLimit, Duration.ofDays(2))
+        return Instant.now().minus(cacheLimit).toEpochMilli()
+    }
 }

app/src/main/java/net/vonforst/evmap/storage/CleanupCacheWorker.kt

@@ -0,0 +1,27 @@
+package net.vonforst.evmap.storage
+
+import android.content.Context
+import androidx.work.CoroutineWorker
+import androidx.work.WorkerParameters
+import net.vonforst.evmap.api.createApi
+import java.time.Instant
+
+class CleanupCacheWorker(appContext: Context, workerParams: WorkerParameters) :
+    CoroutineWorker(appContext, workerParams) {
+    override suspend fun doWork(): Result {
+        val db = AppDatabase.getInstance(applicationContext)
+
+        val chargeLocations = db.chargeLocationsDao()
+        val savedRegionDao = db.savedRegionDao()
+        val now = Instant.now()
+
+        val dataSources = listOf("openchargemap", "goingelectric")
+        for (dataSource in dataSources) {
+            val api = createApi(dataSource, applicationContext)
+            val limit = now.minus(api.cacheLimit).toEpochMilli()
+            chargeLocations.deleteOutdatedIfNotFavorite(dataSource, limit)
+            savedRegionDao.deleteOutdated(dataSource, limit)
+        }
+        return Result.success()
+    }
+}

app/src/main/java/net/vonforst/evmap/storage/Database.kt

@@ -5,11 +5,13 @@ import android.content.ContentValues
 import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import androidx.room.Database
-import androidx.room.Room
 import androidx.room.RoomDatabase
 import androidx.room.TypeConverters
 import androidx.room.migration.Migration
 import androidx.sqlite.db.SupportSQLiteDatabase
+import co.anbora.labs.spatia.builder.SpatiaRoom
+import co.anbora.labs.spatia.geometry.GeometryConverters
+import kotlinx.coroutines.runBlocking
 import net.vonforst.evmap.api.goingelectric.GEChargeCard
 import net.vonforst.evmap.api.goingelectric.GEChargepoint
 import net.vonforst.evmap.api.openchargemap.OCMConnectionType
@@ -31,16 +33,18 @@ import net.vonforst.evmap.model.*
         GEChargeCard::class,
         OCMConnectionType::class,
         OCMCountry::class,
-        OCMOperator::class
-    ], version = 18
+        OCMOperator::class,
+        SavedRegion::class
+    ], version = 21
 )
-@TypeConverters(Converters::class)
+@TypeConverters(Converters::class, GeometryConverters::class)
 abstract class AppDatabase : RoomDatabase() {
     abstract fun chargeLocationsDao(): ChargeLocationsDao
     abstract fun favoritesDao(): FavoritesDao
     abstract fun filterValueDao(): FilterValueDao
     abstract fun filterProfileDao(): FilterProfileDao
     abstract fun recentAutocompletePlaceDao(): RecentAutocompletePlaceDao
+    abstract fun savedRegionDao(): SavedRegionDao
 
     // GoingElectric API specific
     abstract fun geReferenceDataDao(): GEReferenceDataDao
@@ -51,21 +55,7 @@ abstract class AppDatabase : RoomDatabase() {
     companion object {
         private lateinit var context: Context
         private val database: AppDatabase by lazy(LazyThreadSafetyMode.SYNCHRONIZED) {
-            Room.databaseBuilder(context, AppDatabase::class.java, "evmap.db")
-                .addMigrations(
-                    MIGRATION_2, MIGRATION_3, MIGRATION_4, MIGRATION_5, MIGRATION_6,
-                    MIGRATION_7, MIGRATION_8, MIGRATION_9, MIGRATION_10, MIGRATION_11,
-                    MIGRATION_12, MIGRATION_13, MIGRATION_14, MIGRATION_15, MIGRATION_16,
-                    MIGRATION_17, MIGRATION_18
-                )
-                .addCallback(object : Callback() {
-                    override fun onCreate(db: SupportSQLiteDatabase) {
-                        // create default filter profile for each data source
-                        db.execSQL("INSERT INTO `FilterProfile` (`dataSource`, `name`, `id`, `order`) VALUES ('goingelectric', 'FILTERS_CUSTOM', $FILTERS_CUSTOM, 0)")
-                        db.execSQL("INSERT INTO `FilterProfile` (`dataSource`, `name`, `id`, `order`) VALUES ('openchargemap', 'FILTERS_CUSTOM', $FILTERS_CUSTOM, 0)")
-                    }
-                })
-                .build()
+            initDb(SpatiaRoom.databaseBuilder(context, AppDatabase::class.java, "evmap.db"))
         }
 
         fun getInstance(context: Context): AppDatabase {
@@ -73,12 +63,44 @@ abstract class AppDatabase : RoomDatabase() {
             return database
         }
 
+        /**
+         * creates an in-memory AppDatabase instance - only for testing
+         */
+        fun createInMemory(context: Context): AppDatabase {
+            return initDb(SpatiaRoom.inMemoryDatabaseBuilder(context, AppDatabase::class.java))
+        }
+
+        private fun initDb(builder: SpatiaRoom.Builder<AppDatabase>): AppDatabase {
+            return builder.addMigrations(
+                MIGRATION_2, MIGRATION_3, MIGRATION_4, MIGRATION_5, MIGRATION_6,
+                MIGRATION_7, MIGRATION_8, MIGRATION_9, MIGRATION_10, MIGRATION_11,
+                MIGRATION_12, MIGRATION_13, MIGRATION_14, MIGRATION_15, MIGRATION_16,
+                MIGRATION_17, MIGRATION_18, MIGRATION_19, MIGRATION_20, MIGRATION_21
+            )
+                .addCallback(object : Callback() {
+                    override fun onCreate(db: SupportSQLiteDatabase) {
+                        // create default filter profile for each data source
+                        db.execSQL("INSERT INTO `FilterProfile` (`dataSource`, `name`, `id`, `order`) VALUES ('goingelectric', 'FILTERS_CUSTOM', $FILTERS_CUSTOM, 0)")
+                        db.execSQL("INSERT INTO `FilterProfile` (`dataSource`, `name`, `id`, `order`) VALUES ('openchargemap', 'FILTERS_CUSTOM', $FILTERS_CUSTOM, 0)")
+                        // initialize spatialite columns
+                        db.query("SELECT RecoverGeometryColumn('ChargeLocation', 'coordinates', 4326, 'POINT', 'XY');")
+                            .moveToNext()
+                        db.query("SELECT CreateSpatialIndex('ChargeLocation', 'coordinates');")
+                            .moveToNext()
+                        db.query("SELECT RecoverGeometryColumn('SavedRegion', 'region', 4326, 'POLYGON', 'XY');")
+                            .moveToNext()
+                        db.query("SELECT CreateSpatialIndex('SavedRegion', 'region');")
+                            .moveToNext()
+                    }
+                }).build()
+        }
+
         private val MIGRATION_2 = object : Migration(1, 2) {
             override fun migrate(db: SupportSQLiteDatabase) {
                 // SQL for creating tables copied from build/generated/source/kapt/debug/net/vonforst/evmap/storage/AppDatbase_Impl
                 db.execSQL("CREATE TABLE IF NOT EXISTS `BooleanFilterValue` (`key` TEXT NOT NULL, `value` INTEGER NOT NULL, PRIMARY KEY(`key`))")
                 db.execSQL("CREATE TABLE IF NOT EXISTS `MultipleChoiceFilterValue` (`key` TEXT NOT NULL, `values` TEXT NOT NULL, `all` INTEGER NOT NULL, PRIMARY KEY(`key`))")
-                db.execSQL("CREATE TABLE IF NOT EXISTS `SliderFilterValue` (`key` TEXT NOT NULL, `value` INTEGER NOT NULL, PRIMARY KEY(`key`))");
+                db.execSQL("CREATE TABLE IF NOT EXISTS `SliderFilterValue` (`key` TEXT NOT NULL, `value` INTEGER NOT NULL, PRIMARY KEY(`key`))")
             }
         }
 
@@ -87,8 +109,8 @@ abstract class AppDatabase : RoomDatabase() {
                 // recreate ChargeLocation table to make postcode nullable
                 db.beginTransaction()
                 try {
-                    db.execSQL("CREATE TABLE `ChargeLocationNew` (`id` INTEGER NOT NULL, `name` TEXT NOT NULL, `chargepoints` TEXT NOT NULL, `network` TEXT, `url` TEXT NOT NULL, `verified` INTEGER NOT NULL, `operator` TEXT, `generalInformation` TEXT, `amenities` TEXT, `locationDescription` TEXT, `photos` TEXT, `lat` REAL NOT NULL, `lng` REAL NOT NULL, `city` TEXT NOT NULL, `country` TEXT NOT NULL, `postcode` TEXT, `street` TEXT NOT NULL, `twentyfourSeven` INTEGER, `description` TEXT, `mostart` TEXT, `moend` TEXT, `tustart` TEXT, `tuend` TEXT, `westart` TEXT, `weend` TEXT, `thstart` TEXT, `thend` TEXT, `frstart` TEXT, `frend` TEXT, `sastart` TEXT, `saend` TEXT, `sustart` TEXT, `suend` TEXT, `hostart` TEXT, `hoend` TEXT, `freecharging` INTEGER, `freeparking` INTEGER, `descriptionShort` TEXT, `descriptionLong` TEXT, PRIMARY KEY(`id`))");
-                    db.execSQL("INSERT INTO `ChargeLocationNew` SELECT * FROM `ChargeLocation`");
+                    db.execSQL("CREATE TABLE `ChargeLocationNew` (`id` INTEGER NOT NULL, `name` TEXT NOT NULL, `chargepoints` TEXT NOT NULL, `network` TEXT, `url` TEXT NOT NULL, `verified` INTEGER NOT NULL, `operator` TEXT, `generalInformation` TEXT, `amenities` TEXT, `locationDescription` TEXT, `photos` TEXT, `lat` REAL NOT NULL, `lng` REAL NOT NULL, `city` TEXT NOT NULL, `country` TEXT NOT NULL, `postcode` TEXT, `street` TEXT NOT NULL, `twentyfourSeven` INTEGER, `description` TEXT, `mostart` TEXT, `moend` TEXT, `tustart` TEXT, `tuend` TEXT, `westart` TEXT, `weend` TEXT, `thstart` TEXT, `thend` TEXT, `frstart` TEXT, `frend` TEXT, `sastart` TEXT, `saend` TEXT, `sustart` TEXT, `suend` TEXT, `hostart` TEXT, `hoend` TEXT, `freecharging` INTEGER, `freeparking` INTEGER, `descriptionShort` TEXT, `descriptionLong` TEXT, PRIMARY KEY(`id`))")
+                    db.execSQL("INSERT INTO `ChargeLocationNew` SELECT * FROM `ChargeLocation`")
                     db.execSQL("DROP TABLE `ChargeLocation`")
                     db.execSQL("ALTER TABLE `ChargeLocationNew` RENAME TO `ChargeLocation`")
                     db.setTransactionSuccessful()
@@ -109,8 +131,8 @@ abstract class AppDatabase : RoomDatabase() {
                 // recreate ChargeLocation table to make other address fields nullable
                 db.beginTransaction()
                 try {
-                    db.execSQL("CREATE TABLE `ChargeLocationNew` (`id` INTEGER NOT NULL, `name` TEXT NOT NULL, `chargepoints` TEXT NOT NULL, `network` TEXT, `url` TEXT NOT NULL, `verified` INTEGER NOT NULL, `operator` TEXT, `generalInformation` TEXT, `amenities` TEXT, `locationDescription` TEXT, `photos` TEXT, `lat` REAL NOT NULL, `lng` REAL NOT NULL, `city` TEXT, `country` TEXT, `postcode` TEXT, `street` TEXT, `twentyfourSeven` INTEGER, `description` TEXT, `mostart` TEXT, `moend` TEXT, `tustart` TEXT, `tuend` TEXT, `westart` TEXT, `weend` TEXT, `thstart` TEXT, `thend` TEXT, `frstart` TEXT, `frend` TEXT, `sastart` TEXT, `saend` TEXT, `sustart` TEXT, `suend` TEXT, `hostart` TEXT, `hoend` TEXT, `freecharging` INTEGER, `freeparking` INTEGER, `descriptionShort` TEXT, `descriptionLong` TEXT, PRIMARY KEY(`id`))");
-                    db.execSQL("INSERT INTO `ChargeLocationNew` SELECT * FROM `ChargeLocation`");
+                    db.execSQL("CREATE TABLE `ChargeLocationNew` (`id` INTEGER NOT NULL, `name` TEXT NOT NULL, `chargepoints` TEXT NOT NULL, `network` TEXT, `url` TEXT NOT NULL, `verified` INTEGER NOT NULL, `operator` TEXT, `generalInformation` TEXT, `amenities` TEXT, `locationDescription` TEXT, `photos` TEXT, `lat` REAL NOT NULL, `lng` REAL NOT NULL, `city` TEXT, `country` TEXT, `postcode` TEXT, `street` TEXT, `twentyfourSeven` INTEGER, `description` TEXT, `mostart` TEXT, `moend` TEXT, `tustart` TEXT, `tuend` TEXT, `westart` TEXT, `weend` TEXT, `thstart` TEXT, `thend` TEXT, `frstart` TEXT, `frend` TEXT, `sastart` TEXT, `saend` TEXT, `sustart` TEXT, `suend` TEXT, `hostart` TEXT, `hoend` TEXT, `freecharging` INTEGER, `freeparking` INTEGER, `descriptionShort` TEXT, `descriptionLong` TEXT, PRIMARY KEY(`id`))")
+                    db.execSQL("INSERT INTO `ChargeLocationNew` SELECT * FROM `ChargeLocation`")
                     db.execSQL("DROP TABLE `ChargeLocation`")
                     db.execSQL("ALTER TABLE `ChargeLocationNew` RENAME TO `ChargeLocation`")
                     db.setTransactionSuccessful()
@@ -160,7 +182,7 @@ abstract class AppDatabase : RoomDatabase() {
                     // add profile column to existing filtervalue tables
                     db.execSQL("CREATE TABLE `BooleanFilterValueNew` (`key` TEXT NOT NULL, `value` INTEGER NOT NULL, `profile` INTEGER NOT NULL, PRIMARY KEY(`key`, `profile`), FOREIGN KEY(`profile`) REFERENCES `FilterProfile`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )")
                     db.execSQL("CREATE TABLE `MultipleChoiceFilterValueNew` (`key` TEXT NOT NULL, `values` TEXT NOT NULL, `all` INTEGER NOT NULL, `profile` INTEGER NOT NULL, PRIMARY KEY(`key`, `profile`), FOREIGN KEY(`profile`) REFERENCES `FilterProfile`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )")
-                    db.execSQL("CREATE TABLE IF NOT EXISTS `SliderFilterValueNew` (`key` TEXT NOT NULL, `value` INTEGER NOT NULL, `profile` INTEGER NOT NULL, PRIMARY KEY(`key`, `profile`), FOREIGN KEY(`profile`) REFERENCES `FilterProfile`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )");
+                    db.execSQL("CREATE TABLE IF NOT EXISTS `SliderFilterValueNew` (`key` TEXT NOT NULL, `value` INTEGER NOT NULL, `profile` INTEGER NOT NULL, PRIMARY KEY(`key`, `profile`), FOREIGN KEY(`profile`) REFERENCES `FilterProfile`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )")
 
                     for (table in listOf(
                         "BooleanFilterValue",
@@ -202,7 +224,7 @@ abstract class AppDatabase : RoomDatabase() {
                     //////////////////////////////////////////
                     db.execSQL("CREATE TABLE `OCMConnectionType` (`id` INTEGER NOT NULL, `title` TEXT NOT NULL, `formalName` TEXT, `discontinued` INTEGER, `obsolete` INTEGER, PRIMARY KEY(`id`))")
                     db.execSQL("CREATE TABLE `OCMCountry` (`id` INTEGER NOT NULL, `isoCode` TEXT NOT NULL, `continentCode` TEXT, `title` TEXT NOT NULL, PRIMARY KEY(`id`))")
-                    db.execSQL("CREATE TABLE `OCMOperator` (`id` INTEGER NOT NULL, `websiteUrl` TEXT, `title` TEXT NOT NULL, `contactEmail` TEXT, `contactTelephone1` TEXT, `contactTelephone2` TEXT, PRIMARY KEY(`id`))");
+                    db.execSQL("CREATE TABLE `OCMOperator` (`id` INTEGER NOT NULL, `websiteUrl` TEXT, `title` TEXT NOT NULL, `contactEmail` TEXT, `contactTelephone1` TEXT, `contactTelephone2` TEXT, PRIMARY KEY(`id`))")
 
                     //////////////////////////////////////////
                     // rename GoingElectric-specific tables //
@@ -295,7 +317,7 @@ abstract class AppDatabase : RoomDatabase() {
                     // update ChargeLocation table to change primary key
                     db.execSQL(
                         "CREATE TABLE `ChargeLocationNew` (`id` INTEGER NOT NULL, `dataSource` TEXT NOT NULL, `name` TEXT NOT NULL, `chargepoints` TEXT NOT NULL, `network` TEXT, `url` TEXT NOT NULL, `editUrl` TEXT, `verified` INTEGER NOT NULL, `barrierFree` INTEGER, `operator` TEXT, `generalInformation` TEXT, `amenities` TEXT, `locationDescription` TEXT, `photos` TEXT, `chargecards` TEXT, `license` TEXT, `lat` REAL NOT NULL, `lng` REAL NOT NULL, `city` TEXT, `country` TEXT, `postcode` TEXT, `street` TEXT, `fault_report_created` INTEGER, `fault_report_description` TEXT, `twentyfourSeven` INTEGER, `description` TEXT, `mostart` TEXT, `moend` TEXT, `tustart` TEXT, `tuend` TEXT, `westart` TEXT, `weend` TEXT, `thstart` TEXT, `thend` TEXT, `frstart` TEXT, `frend` TEXT, `sastart` TEXT, `saend` TEXT, `sustart` TEXT, `suend` TEXT, `hostart` TEXT, `hoend` TEXT, `freecharging` INTEGER, `freeparking` INTEGER, `descriptionShort` TEXT, `descriptionLong` TEXT, `chargepricecountry` TEXT, `chargepricenetwork` TEXT, `chargepriceplugTypes` TEXT, PRIMARY KEY(`id`, `dataSource`))"
-                    );
+                    )
                     val columnList =
                         "`id`,`dataSource`,`name`,`chargepoints`,`network`,`url`,`editUrl`,`verified`,`barrierFree`,`operator`,`generalInformation`,`amenities`,`locationDescription`,`photos`,`chargecards`,`license`,`lat`,`lng`,`city`,`country`,`postcode`,`street`,`fault_report_created`,`fault_report_description`,`twentyfourSeven`,`description`,`mostart`,`moend`,`tustart`,`tuend`,`westart`,`weend`,`thstart`,`thend`,`frstart`,`frend`,`sastart`,`saend`,`sustart`,`suend`,`hostart`,`hoend`,`freecharging`,`freeparking`,`descriptionShort`,`descriptionLong`,`chargepricecountry`,`chargepricenetwork`,`chargepriceplugTypes`"
                     db.execSQL("INSERT INTO `ChargeLocationNew`($columnList) SELECT $columnList FROM `ChargeLocation`")
@@ -311,7 +333,7 @@ abstract class AppDatabase : RoomDatabase() {
 
         private val MIGRATION_14 = object : Migration(13, 14) {
             override fun migrate(db: SupportSQLiteDatabase) {
-                db.execSQL("CREATE TABLE IF NOT EXISTS `RecentAutocompletePlace` (`id` TEXT NOT NULL, `dataSource` TEXT NOT NULL, `timestamp` INTEGER NOT NULL, `primaryText` TEXT NOT NULL, `secondaryText` TEXT NOT NULL, `latLng` TEXT NOT NULL, `viewport` TEXT, `types` TEXT NOT NULL, PRIMARY KEY(`id`, `dataSource`))");
+                db.execSQL("CREATE TABLE IF NOT EXISTS `RecentAutocompletePlace` (`id` TEXT NOT NULL, `dataSource` TEXT NOT NULL, `timestamp` INTEGER NOT NULL, `primaryText` TEXT NOT NULL, `secondaryText` TEXT NOT NULL, `latLng` TEXT NOT NULL, `viewport` TEXT, `types` TEXT NOT NULL, PRIMARY KEY(`id`, `dataSource`))")
             }
 
         }
@@ -321,7 +343,7 @@ abstract class AppDatabase : RoomDatabase() {
             override fun migrate(db: SupportSQLiteDatabase) {
                 try {
                     db.beginTransaction()
-                    db.execSQL("CREATE TABLE IF NOT EXISTS `Favorite` (`favoriteId` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `chargerId` INTEGER NOT NULL, `chargerDataSource` TEXT NOT NULL, FOREIGN KEY(`chargerId`, `chargerDataSource`) REFERENCES `ChargeLocation`(`id`, `dataSource`) ON UPDATE NO ACTION ON DELETE RESTRICT )");
+                    db.execSQL("CREATE TABLE IF NOT EXISTS `Favorite` (`favoriteId` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `chargerId` INTEGER NOT NULL, `chargerDataSource` TEXT NOT NULL, FOREIGN KEY(`chargerId`, `chargerDataSource`) REFERENCES `ChargeLocation`(`id`, `dataSource`) ON UPDATE NO ACTION ON DELETE RESTRICT )")
 
                     val cursor = db.query("SELECT * FROM `ChargeLocation`")
                     while (cursor.moveToNext()) {
@@ -361,7 +383,7 @@ abstract class AppDatabase : RoomDatabase() {
             override fun migrate(db: SupportSQLiteDatabase) {
                 try {
                     db.beginTransaction()
-                    db.execSQL("CREATE TABLE IF NOT EXISTS `FavoriteNew` (`favoriteId` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `chargerId` INTEGER NOT NULL, `chargerDataSource` TEXT NOT NULL, FOREIGN KEY(`chargerId`, `chargerDataSource`) REFERENCES `ChargeLocation`(`id`, `dataSource`) ON UPDATE NO ACTION ON DELETE NO ACTION )");
+                    db.execSQL("CREATE TABLE IF NOT EXISTS `FavoriteNew` (`favoriteId` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `chargerId` INTEGER NOT NULL, `chargerDataSource` TEXT NOT NULL, FOREIGN KEY(`chargerId`, `chargerDataSource`) REFERENCES `ChargeLocation`(`id`, `dataSource`) ON UPDATE NO ACTION ON DELETE NO ACTION )")
                     val columnList =
                         "`favoriteId`,`chargerId`,`chargerDataSource`"
                     db.execSQL("INSERT INTO `FavoriteNew`($columnList) SELECT $columnList FROM `Favorite`")
@@ -376,5 +398,85 @@ abstract class AppDatabase : RoomDatabase() {
             }
 
         }
+
+        private val MIGRATION_19 = object : Migration(18, 19) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                db.execSQL("ALTER TABLE `ChargeLocation` ADD `networkUrl` TEXT")
+                db.execSQL("ALTER TABLE `ChargeLocation` ADD `chargerUrl` TEXT")
+            }
+        }
+
+        private val MIGRATION_20 = object : Migration(19, 20) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                try {
+                    db.beginTransaction()
+                    
+                    // init spatialite
+                    db.query("SELECT InitSpatialMetaData();").moveToNext()
+
+                    // add geometry column and set it based on lat/lng columns
+                    db.query("SELECT AddGeometryColumn('ChargeLocation', 'coordinates', 4326, 'POINT', 'XY');")
+                        .moveToNext()
+                    db.execSQL("UPDATE `ChargeLocation` SET `coordinates` = GeomFromText('POINT('||\"lng\"||' '||\"lat\"||')',4326);")
+
+                    // recreate table to remove lat/lng columns
+                    db.execSQL(
+                        "CREATE TABLE `ChargeLocationNew` (`id` INTEGER NOT NULL, `dataSource` TEXT NOT NULL, `name` TEXT NOT NULL, `coordinates` BLOB NOT NULL, `chargepoints` TEXT NOT NULL, `network` TEXT, `url` TEXT NOT NULL, `editUrl` TEXT, `verified` INTEGER NOT NULL, `barrierFree` INTEGER, `operator` TEXT, `generalInformation` TEXT, `amenities` TEXT, `locationDescription` TEXT, `photos` TEXT, `chargecards` TEXT, `license` TEXT, `timeRetrieved` INTEGER NOT NULL, `isDetailed` INTEGER NOT NULL, `city` TEXT, `country` TEXT, `postcode` TEXT, `street` TEXT, `fault_report_created` INTEGER, `fault_report_description` TEXT, `twentyfourSeven` INTEGER, `description` TEXT, `mostart` TEXT, `moend` TEXT, `tustart` TEXT, `tuend` TEXT, `westart` TEXT, `weend` TEXT, `thstart` TEXT, `thend` TEXT, `frstart` TEXT, `frend` TEXT, `sastart` TEXT, `saend` TEXT, `sustart` TEXT, `suend` TEXT, `hostart` TEXT, `hoend` TEXT, `freecharging` INTEGER, `freeparking` INTEGER, `descriptionShort` TEXT, `descriptionLong` TEXT, `chargepricecountry` TEXT, `chargepricenetwork` TEXT, `chargepriceplugTypes` TEXT, `networkUrl` TEXT, `chargerUrl` TEXT, PRIMARY KEY(`id`, `dataSource`))"
+                    )
+                    db.query("SELECT AddGeometryColumn('ChargeLocationNew', 'coordinates', 4326, 'POINT', 'XY');")
+                        .moveToNext()
+                    db.query("SELECT CreateSpatialIndex('ChargeLocationNew', 'coordinates');")
+                        .moveToNext()
+
+                    db.execSQL("INSERT INTO `ChargeLocationNew` SELECT `id`, `dataSource`, `name`, `coordinates`, `chargepoints`, `network`, `url`, `editUrl`, `verified`, `barrierFree`, `operator`, `generalInformation`, `amenities`, `locationDescription`, `photos`, `chargecards`, `license`, `timeRetrieved`, `isDetailed`, `city`, `country`, `postcode`, `street`, `fault_report_created`, `fault_report_description`, `twentyfourSeven`, `description`, `mostart`, `moend`, `tustart`, `tuend`, `westart`, `weend`, `thstart`, `thend`, `frstart`, `frend`, `sastart`, `saend`, `sustart`, `suend`, `hostart`, `hoend`, `freecharging`, `freeparking`, `descriptionShort`, `descriptionLong`, `chargepricecountry`, `chargepricenetwork`, `chargepriceplugTypes`, `networkUrl`, `chargerUrl` FROM `ChargeLocation`")
+
+                    db.execSQL("DROP TABLE `ChargeLocation`")
+                    db.execSQL("ALTER TABLE `ChargeLocationNew` RENAME TO `ChargeLocation`")
+
+                    db.execSQL("CREATE TABLE IF NOT EXISTS `SavedRegion` (`region` BLOB NOT NULL, `dataSource` TEXT NOT NULL, `timeRetrieved` INTEGER NOT NULL, `filters` TEXT, `isDetailed` INTEGER NOT NULL, `id` INTEGER PRIMARY KEY AUTOINCREMENT)");
+                    db.execSQL("CREATE INDEX IF NOT EXISTS `index_SavedRegion_filters_dataSource` ON `SavedRegion` (`filters`, `dataSource`)");
+                    db.query("SELECT AddGeometryColumn('SavedRegion', 'region', 4326, 'POLYGON', 'XY');")
+                        .moveToNext()
+                    db.query("SELECT CreateSpatialIndex('SavedRegion', 'region');")
+                        .moveToNext()
+                    db.setTransactionSuccessful()
+                } finally {
+                    db.endTransaction()
+                }
+            }
+        }
+
+        private val MIGRATION_21 = object : Migration(20, 21) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                // clear cache with this update
+                db.execSQL("DELETE FROM savedregion")
+            }
+        }
+    }
+
+    /**
+     * Creates a backup of the database to evmap-backup.db.
+     *
+     * The backup excludes cached data which can easily be retrieved from the network on restore.
+     */
+    suspend fun createBackup(context: Context, fileName: String) {
+        val db = getInstance(context.applicationContext)
+        val backupDb = initDb(
+            SpatiaRoom.databaseBuilder(
+                context.applicationContext,
+                AppDatabase::class.java,
+                fileName
+            )
+        )
+        backupDb.clearAllTables()
+
+        val favorites = db.favoritesDao().getAllFavoritesAsync()
+        backupDb.chargeLocationsDao().insert(*favorites.map { it.charger }.toTypedArray())
+        backupDb.favoritesDao().insert(*favorites.map { it.favorite }.toTypedArray())
+        backupDb.filterProfileDao().insert(*db.filterProfileDao().getAllProfiles().toTypedArray())
+        backupDb.filterValueDao().insert(*db.filterValueDao().getAllFilterValues().toTypedArray())
+        backupDb.recentAutocompletePlaceDao()
+            .insert(*db.recentAutocompletePlaceDao().getAllAsync().toTypedArray())
+        backupDb.close()
     }
 }

app/src/main/java/net/vonforst/evmap/storage/EncryptedPreferenceDataStore.kt

@@ -0,0 +1,45 @@
+package net.vonforst.evmap.storage
+
+import android.content.Context
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKey
+import net.vonforst.evmap.api.availability.TeslaAvailabilityDetector
+
+/**
+ * Encrypted data storage for sensitive data such as API access tokens.
+ * This will not be included in backups.
+ */
+class EncryptedPreferenceDataStore(context: Context) : TeslaAvailabilityDetector.TokenStore {
+    val sp = EncryptedSharedPreferences.create(
+        context,
+        "encrypted_prefs",
+        MasterKey.Builder(context).setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
+            .build(),
+        EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+        EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+    )
+
+    override var teslaRefreshToken: String?
+        get() = sp.getString(
+            "tesla_refresh_token", null
+        )
+        set(value) {
+            sp.edit().putString("tesla_refresh_token", value).apply()
+        }
+    override var teslaAccessToken: String?
+        get() = sp.getString("tesla_access_token", null)
+        set(value) {
+            sp.edit().putString("tesla_access_token", value).apply()
+        }
+    override var teslaAccessTokenExpiry: Long
+        get() = sp.getLong("tesla_access_token_expiry", -1)
+        set(value) {
+            sp.edit().putLong("tesla_access_token_expiry", value).apply()
+        }
+
+    var teslaEmail: String?
+        get() = sp.getString("tesla_email", null)
+        set(value) {
+            sp.edit().putString("tesla_email", value).apply()
+        }
+}

app/src/main/java/net/vonforst/evmap/storage/FavoritesDao.kt

@@ -19,7 +19,8 @@ interface FavoritesDao {
     @Query("SELECT * FROM favorite LEFT JOIN chargelocation ON favorite.chargerDataSource = chargelocation.dataSource AND favorite.chargerId = chargelocation.id")
     suspend fun getAllFavoritesAsync(): List<FavoriteWithDetail>
 
-    @Query("SELECT * FROM favorite LEFT JOIN chargelocation ON favorite.chargerDataSource = chargelocation.dataSource AND favorite.chargerId = chargelocation.id WHERE lat >= :lat1 AND lat <= :lat2 AND lng >= :lng1 AND lng <= :lng2")
+    @SkipQueryVerification
+    @Query("SELECT * FROM favorite LEFT JOIN chargelocation ON favorite.chargerDataSource = chargelocation.dataSource AND favorite.chargerId = chargelocation.id WHERE Within(chargelocation.coordinates, BuildMbr(:lng1, :lat1, :lng2, :lat2))")
     suspend fun getFavoritesInBoundsAsync(
         lat1: Double,
         lat2: Double,

app/src/main/java/net/vonforst/evmap/storage/FilterProfileDao.kt

@@ -19,7 +19,7 @@ data class FilterProfile(
 @Dao
 interface FilterProfileDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    suspend fun insert(profile: FilterProfile): Long
+    suspend fun insert(vararg profile: FilterProfile)
 
     @Update
     suspend fun update(vararg profiles: FilterProfile)
@@ -30,6 +30,9 @@ interface FilterProfileDao {
     @Query("SELECT * FROM filterProfile WHERE dataSource = :dataSource AND id != $FILTERS_CUSTOM ORDER BY `order` ASC, `name` ASC")
     fun getProfiles(dataSource: String): LiveData<List<FilterProfile>>
 
+    @Query("SELECT * FROM filterProfile")
+    suspend fun getAllProfiles(): List<FilterProfile>
+
     @Query("SELECT * FROM filterProfile WHERE dataSource = :dataSource AND name = :name")
     suspend fun getProfileByName(name: String, dataSource: String): FilterProfile?
 

app/src/main/java/net/vonforst/evmap/storage/FilterValueDao.kt

@@ -26,6 +26,15 @@ abstract class FilterValueDao {
         dataSource: String
     ): List<SliderFilterValue>
 
+    @Query("SELECT * FROM booleanfiltervalue")
+    protected abstract suspend fun getAllBooleanFilterValuesAsync(): List<BooleanFilterValue>
+
+    @Query("SELECT * FROM multiplechoicefiltervalue")
+    protected abstract suspend fun getAllMultipleChoiceFilterValuesAsync(): List<MultipleChoiceFilterValue>
+
+    @Query("SELECT * FROM sliderfiltervalue")
+    protected abstract suspend fun getAllSliderFilterValuesAsync(): List<SliderFilterValue>
+
     @Query("SELECT * FROM booleanfiltervalue WHERE profile = :profile AND dataSource = :dataSource")
     protected abstract fun getBooleanFilterValues(
         profile: Long,
@@ -105,6 +114,11 @@ abstract class FilterValueDao {
             }
         }
 
+    open suspend fun getAllFilterValues(): List<FilterValue> =
+        getAllBooleanFilterValuesAsync() +
+                getAllMultipleChoiceFilterValuesAsync() +
+                getAllSliderFilterValuesAsync()
+
     @Transaction
     open suspend fun insert(vararg values: FilterValue) {
         values.forEach {

app/src/main/java/net/vonforst/evmap/storage/PreferenceDataSource.kt

@@ -1,6 +1,8 @@
 package net.vonforst.evmap.storage
 
 import android.content.Context
+import android.content.SharedPreferences
+import android.content.SharedPreferences.Editor
 import androidx.preference.PreferenceManager
 import com.car2go.maps.AnyMap
 import com.car2go.maps.model.LatLng
@@ -224,21 +226,9 @@ class PreferenceDataSource(val context: Context) {
         }
 
     var placeSearchResultAndroidAuto: LatLng?
-        get() = if (sp.contains("place_search_result_android_auto_lat")) {
-            LatLng(
-                Double.fromBits(sp.getLong("place_search_result_android_auto_lat", 0L)),
-                Double.fromBits(sp.getLong("place_search_result_android_auto_lng", 0L))
-            )
-        } else null
+        get() = sp.getLatLng("place_search_result_android_auto")
         set(value) {
-            if (value == null) {
-                sp.edit().remove("place_search_result_android_auto_lat")
-                    .remove("place_search_result_android_auto_lng").apply()
-            } else {
-                sp.edit().putLong("place_search_result_android_auto_lat", value.latitude.toBits())
-                    .putLong("place_search_result_android_auto_lng", value.longitude.toBits())
-                    .apply()
-            }
+            sp.edit().putLatLng("place_search_result_android_auto", value).apply()
         }
 
     var placeSearchResultAndroidAutoName: String?
@@ -261,4 +251,38 @@ class PreferenceDataSource(val context: Context) {
         set(value) {
             sp.edit().putBoolean("dev_mode_enabled", value).apply()
         }
-}
+
+    val mapScale: String
+        get() = sp.getString("map_scale", null) ?: "both"
+
+    var currentMapLocation: LatLng
+        get() = sp.getLatLng("current_map_location") ?: LatLng(50.113388, 9.252536)
+        set(value) {
+            sp.edit().putLatLng("current_map_location", value).apply()
+        }
+
+    var currentMapZoom: Float
+        get() = sp.getFloat("current_map_zoom", 3.5f)
+        set(value) {
+            sp.edit().putFloat("current_map_zoom", value).apply()
+        }
+}
+
+fun SharedPreferences.getLatLng(key: String): LatLng? =
+    if (contains("${key}_lat") && contains("${key}_lng")) {
+        LatLng(
+            Double.fromBits(getLong("${key}_lat", 0L)),
+            Double.fromBits(getLong("${key}_lng", 0L))
+        )
+    } else null
+
+fun Editor.putLatLng(key: String, value: LatLng?): Editor {
+    if (value == null) {
+        remove("${key}_lat")
+        remove("${key}_lng")
+    } else {
+        putLong("${key}_lat", value.latitude.toBits())
+        putLong("${key}_lng", value.longitude.toBits())
+    }
+    return this
+}

app/src/main/java/net/vonforst/evmap/storage/RecentAutocompletePlaceDao.kt

@@ -80,4 +80,7 @@ abstract class RecentAutocompletePlaceDao {
         dataSource: String,
         limit: Int? = null
     ): List<RecentAutocompletePlace>
+
+    @Query("SELECT * FROM recentautocompleteplace")
+    abstract suspend fun getAllAsync(): List<RecentAutocompletePlace>
 }

app/src/main/java/net/vonforst/evmap/storage/SavedRegionDao.kt

@@ -0,0 +1,114 @@
+package net.vonforst.evmap.storage
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.map
+import androidx.room.*
+import co.anbora.labs.spatia.geometry.Geometry
+import co.anbora.labs.spatia.geometry.LineString
+import co.anbora.labs.spatia.geometry.Polygon
+import net.vonforst.evmap.utils.circleAsEllipse
+import java.time.Instant
+
+@Entity(
+    indices = [Index(value = ["filters", "dataSource"])]
+)
+data class SavedRegion(
+    val region: Polygon,
+    val dataSource: String,
+    val timeRetrieved: Instant,
+    val filters: String?,
+    val isDetailed: Boolean,
+    @PrimaryKey(autoGenerate = true)
+    val id: Long? = null
+)
+
+@Dao
+abstract class SavedRegionDao {
+    @SkipQueryVerification
+    @Query("SELECT GUnion(region) FROM savedregion WHERE dataSource == :dataSource AND timeRetrieved > :after AND (filters == :filters OR filters IS NULL) AND (isDetailed OR NOT :isDetailed)")
+    abstract fun getSavedRegion(
+        dataSource: String,
+        after: Long,
+        filters: String? = null,
+        isDetailed: Boolean = false
+    ): Geometry
+
+    @SkipQueryVerification
+    @Query("SELECT Covers(GUnion(region), BuildMbr(:lng1, :lat1, :lng2, :lat2, 4326)) FROM savedregion WHERE dataSource == :dataSource AND timeRetrieved > :after AND Intersects(region, BuildMbr(:lng1, :lat1, :lng2, :lat2, 4326)) AND (filters == :filters OR filters IS NULL) AND (isDetailed OR NOT :isDetailed)")
+    protected abstract fun savedRegionCoversInt(
+        lat1: Double,
+        lat2: Double,
+        lng1: Double,
+        lng2: Double,
+        dataSource: String, after: Long, filters: String? = null, isDetailed: Boolean = false
+    ): LiveData<Int>
+
+    @SkipQueryVerification
+    @Query("SELECT Covers(GUnion(region), MakeEllipse(:lng, :lat, :radiusLng, :radiusLat, 4326)) FROM savedregion WHERE dataSource == :dataSource AND timeRetrieved > :after AND Intersects(region, MakeEllipse(:lng, :lat, :radiusLng, :radiusLat, 4326)) AND (filters == :filters OR filters IS NULL) AND (isDetailed OR NOT :isDetailed)")
+    protected abstract fun savedRegionCoversRadiusInt(
+        lat: Double,
+        lng: Double,
+        radiusLat: Double,
+        radiusLng: Double,
+        dataSource: String, after: Long, filters: String? = null, isDetailed: Boolean = false
+    ): LiveData<Int>
+
+    fun savedRegionCovers(
+        lat1: Double,
+        lat2: Double,
+        lng1: Double,
+        lng2: Double,
+        dataSource: String, after: Long, filters: String? = null, isDetailed: Boolean = false
+    ): LiveData<Boolean> {
+        return savedRegionCoversInt(
+            lat1,
+            lat2,
+            lng1,
+            lng2,
+            dataSource,
+            after,
+            filters,
+            isDetailed
+        ).map { it == 1 }
+    }
+
+    fun savedRegionCoversRadius(
+        lat: Double,
+        lng: Double,
+        radius: Double,
+        dataSource: String, after: Long, filters: String? = null, isDetailed: Boolean = false
+    ): LiveData<Boolean> {
+        val (radiusLat, radiusLng) = circleAsEllipse(lat, lng, radius)
+        return savedRegionCoversRadiusInt(
+            lat,
+            lng,
+            radiusLat,
+            radiusLng,
+            dataSource,
+            after,
+            filters,
+            isDetailed
+        ).map { it == 1 }
+    }
+
+    @Insert
+    abstract suspend fun insert(savedRegion: SavedRegion)
+
+    @Query("DELETE FROM savedregion WHERE dataSource == :dataSource AND timeRetrieved <= :before")
+    abstract suspend fun deleteOutdated(dataSource: String, before: Long)
+
+    @Query("DELETE FROM savedregion")
+    abstract suspend fun deleteAll()
+
+    @SkipQueryVerification
+    @Query("SELECT MakeEllipse(:lng, :lat, :radiusLng, :radiusLat, 4326)")
+    protected abstract suspend fun makeEllipse(
+        lat: Double, lng: Double,
+        radiusLat: Double, radiusLng: Double
+    ): LineString
+
+    suspend fun makeCircle(lat: Double, lng: Double, radius: Double): LineString {
+        val (radiusLat, radiusLng) = circleAsEllipse(lat, lng, radius)
+        return makeEllipse(lat, lng, radiusLat, radiusLng)
+    }
+}

app/src/main/java/net/vonforst/evmap/storage/TypeConverters.kt

@@ -1,6 +1,7 @@
 package net.vonforst.evmap.storage
 
 import androidx.room.TypeConverter
+import co.anbora.labs.spatia.geometry.Point
 import com.car2go.maps.model.LatLng
 import com.car2go.maps.model.LatLngBounds
 import com.squareup.moshi.Moshi
@@ -12,6 +13,7 @@ import net.vonforst.evmap.autocomplete.AutocompletePlaceType
 import net.vonforst.evmap.model.ChargeCardId
 import net.vonforst.evmap.model.Chargepoint
 import net.vonforst.evmap.model.ChargerPhoto
+import net.vonforst.evmap.model.Coordinate
 import java.time.Instant
 import java.time.LocalTime
 
@@ -68,7 +70,7 @@ class Converters {
 
     @TypeConverter
     fun toChargerPhotoList(value: String): List<ChargerPhoto>? {
-        return chargerPhotoListAdapter.fromJson(value)?.filterNotNull()
+        return chargerPhotoListAdapter.fromJson(value)
     }
 
     @TypeConverter
@@ -154,4 +156,15 @@ class Converters {
     fun toAutocompletePlaceTypeList(value: String): List<AutocompletePlaceType> {
         return value.split(",").map { AutocompletePlaceType.valueOf(it) }
     }
+
+    @TypeConverter
+    fun toCoordinate(value: Point): Coordinate {
+        if (value.srid != 4326) throw IllegalArgumentException("expected WGS-84")
+        return Coordinate(value.y, value.x)
+    }
+
+    @TypeConverter
+    fun fromCoordinate(value: Coordinate): Point {
+        return Point(value.lng, value.lat)
+    }
 }