Issue #369 - Use repository pattern for bluetooth state

(cherry picked from commit b3878a4240)

app/src/main/java/com/geeksville/mesh/model/BluetoothViewModel.kt

@@ -0,0 +1,19 @@
+package com.geeksville.mesh.model
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.asLiveData
+import com.geeksville.mesh.repository.bluetooth.BluetoothRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
+
+/**
+ * Thin view model which adapts the view layer to the `BluetoothRepository`.
+ */
+@HiltViewModel
+class BluetoothViewModel @Inject constructor(
+    private val bluetoothRepository: BluetoothRepository,
+) : ViewModel() {
+    fun refreshState() = bluetoothRepository.refreshState()
+
+    val enabled = bluetoothRepository.enabled.asLiveData()
+}

app/src/main/java/com/geeksville/mesh/model/UIState.kt

@@ -74,10 +74,6 @@ class UIViewModel @Inject constructor(
         debug("ViewModel created")
     }
 
-    fun insertPacket(packet: Packet) = viewModelScope.launch(Dispatchers.IO) {
-        repository.insert(packet)
-    }
-
     fun deleteAllPacket() = viewModelScope.launch(Dispatchers.IO) {
         repository.deleteAll()
     }
@@ -229,10 +225,6 @@ class UIViewModel @Inject constructor(
     val ownerName = object : MutableLiveData<String>("MrIDE Test") {
     }
 
-
-    val bluetoothEnabled = object : MutableLiveData<Boolean>(false) {
-    }
-
     val provideLocation = object : MutableLiveData<Boolean>(preferences.getBoolean(MyPreferences.provideLocationKey, false)) {
         override fun setValue(value: Boolean) {
             super.setValue(value)
@@ -243,9 +235,6 @@ class UIViewModel @Inject constructor(
         }
     }
 
-    /// If the app was launched because we received a new channel intent, the Url will be here
-    var requestedChannelUrl: Uri? = null
-
     // clean up all this nasty owner state management FIXME
     fun setOwner(s: String? = null) {