fix crash when trying to rename a filter profile to a name that already exists

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

@@ -188,9 +188,17 @@ class FilterProfilesFragment : Fragment() {
 
                 dialog.setTitle(R.string.rename)
                     .setMessage(R.string.save_profile_enter_name)
-            }, {
+            }, { newName ->
                 lifecycleScope.launch {
-                    vm.update(fp.copy(name = it))
+                    if (vm.filterProfiles.value?.find { it.name == newName } != null) {
+                        Snackbar.make(
+                            view,
+                            R.string.filterprofile_name_not_unique,
+                            Snackbar.LENGTH_LONG
+                        ).show()
+                    } else {
+                        vm.update(fp.copy(name = newName))
+                    }
                 }
             })
         })

app/src/main/res/values-de/strings.xml

@@ -152,6 +152,7 @@
     <string name="delete">Löschen</string>
     <string name="save_as_profile">Als Profil speichern</string>
     <string name="save_profile_enter_name">Gib den Namen des Filterprofils ein:</string>
+    <string name="filterprofile_name_not_unique">Ein Filterprofil mit diesem Namen existiert bereits</string>
     <string name="filterprofiles_empty_state">Du hast keine Filterprofile gespeichert</string>
     <string name="welcome_to_evmap">Willkommen bei EVMap</string>
     <string name="welcome_1">Finde Ladestationen für Elektroautos in deiner Nähe</string>

app/src/main/res/values/strings.xml

@@ -152,6 +152,7 @@
     <string name="delete">Delete</string>
     <string name="save_as_profile">Save as profile</string>
     <string name="save_profile_enter_name">Enter the name of the filter profile:</string>
+    <string name="filterprofile_name_not_unique">There is already a filter profile with that name</string>
     <string name="filterprofiles_empty_state">You have no filter profiles saved</string>
     <string name="welcome_to_evmap">Welcome to EVMap</string>
     <string name="welcome_1">Find electric vehicle chargers around you</string>