add EnvironmentMetrics to NodeInfo

app/src/main/java/com/geeksville/mesh/NodeInfo.kt

@@ -107,6 +107,37 @@ data class DeviceMetrics(
     }
 }
 
+@Serializable
+@Parcelize
+data class EnvironmentMetrics(
+    val time: Int = currentTime(), // default to current time in secs (NOT MILLISECONDS!)
+    val temperature: Float,
+    val relativeHumidity: Float,
+    val barometricPressure: Float,
+    val gasResistance: Float,
+    val voltage: Float,
+    val current: Float,
+) : Parcelable {
+    companion object {
+        fun currentTime() = (System.currentTimeMillis() / 1000).toInt()
+    }
+
+    /** Create our model object from a protobuf.
+     */
+    constructor(t: TelemetryProtos.EnvironmentMetrics, telemetryTime: Int = currentTime()) : this(
+        telemetryTime,
+        t.temperature,
+        t.relativeHumidity,
+        t.barometricPressure,
+        t.gasResistance,
+        t.voltage,
+        t.current
+    )
+
+    override fun toString(): String {
+        return "EnvironmentMetrics(time=${time}, temperature=${temperature}, humidity=${relativeHumidity}, pressure=${barometricPressure}), resistance=${gasResistance}, voltage=${voltage}, current=${current}"
+    }
+}
 
 @Serializable
 @Parcelize
@@ -117,7 +148,8 @@ data class NodeInfo(
     var snr: Float = Float.MAX_VALUE,
     var rssi: Int = Int.MAX_VALUE,
     var lastHeard: Int = 0, // the last time we've seen this node in secs since 1970
-    var deviceMetrics: DeviceMetrics? = null
+    var deviceMetrics: DeviceMetrics? = null,
+    var environmentMetrics: EnvironmentMetrics? = null,
 ) : Parcelable {
 
     val batteryLevel get() = deviceMetrics?.batteryLevel

app/src/main/java/com/geeksville/mesh/service/MeshService.kt

@@ -815,13 +815,17 @@ class MeshService : Service(), Logging {
     /// Update our DB of users based on someone sending out a Telemetry subpacket
     private fun handleReceivedTelemetry(
         fromNum: Int,
-        p: TelemetryProtos.Telemetry,
+        t: TelemetryProtos.Telemetry,
         defaultTime: Long = System.currentTimeMillis()
     ) {
         updateNodeInfo(fromNum) {
             it.deviceMetrics = DeviceMetrics(
-                p.deviceMetrics,
-                if (p.time != 0) p.time else (defaultTime / 1000L).toInt()
+                t.deviceMetrics,
+                if (t.time != 0) t.time else (defaultTime / 1000L).toInt()
+            )
+            it.environmentMetrics = EnvironmentMetrics(
+                t.environmentMetrics,
+                if (t.time != 0) t.time else (defaultTime / 1000L).toInt()
             )
         }
     }