Minor fixes to location and DB

app/src/main/java/com/rtbishop/look4sat/dagger/modules/PersistenceModule.kt

@@ -65,7 +65,7 @@ class PersistenceModule {
     @Singleton
     @Provides
     fun provideSatelliteDb(context: Context): SatelliteDb {
-        return Room.databaseBuilder(context, SatelliteDb::class.java, "satellites")
+        return Room.databaseBuilder(context, SatelliteDb::class.java, "satDb")
             .build()
     }
 }

app/src/main/java/com/rtbishop/look4sat/ui/SharedViewModel.kt

@@ -19,7 +19,6 @@
 
 package com.rtbishop.look4sat.ui
 
-import android.location.LocationManager
 import android.net.Uri
 import androidx.lifecycle.*
 import com.github.amsacode.predict4java.GroundStationPosition
@@ -70,20 +69,12 @@ class SharedViewModel @Inject constructor(
     }
 
     fun updatePosition() {
-        val provider = LocationManager.PASSIVE_PROVIDER
-        try {
-            val location = prefsManager.locationManager.getLastKnownLocation(provider)
-            location.let {
-                if (it == null) {
-                    _gsp.postValue(Result.Error(IllegalArgumentException()))
-                } else {
-                    val gsp = GroundStationPosition(it.latitude, it.longitude, it.altitude)
-                    prefsManager.setPosition(gsp)
-                    _gsp.postValue(Result.Success(gsp))
-                }
-            }
-        } catch (e: SecurityException) {
-            _gsp.postValue(Result.Error(e))
+        val lastLoc = prefsManager.getLastKnownLocation()
+        if (lastLoc == null) {
+            _gsp.postValue(Result.Error(Exception()))
+        } else {
+            val gsp = GroundStationPosition(lastLoc.latitude, lastLoc.longitude, lastLoc.altitude)
+            _gsp.postValue(Result.Success(gsp))
         }
     }
 

app/src/main/java/com/rtbishop/look4sat/utility/PrefsManager.kt

@@ -20,6 +20,7 @@
 package com.rtbishop.look4sat.utility
 
 import android.content.SharedPreferences
+import android.location.Location
 import android.location.LocationManager
 import androidx.core.content.edit
 import com.github.amsacode.predict4java.GroundStationPosition
@@ -27,7 +28,7 @@ import javax.inject.Inject
 
 class PrefsManager @Inject constructor(
     private val preferences: SharedPreferences,
-    val locationManager: LocationManager
+    private val locationManager: LocationManager
 ) {
     private val keyHoursAhead = "hoursAhead"
     private val keyMinElevation = "minEl"
@@ -66,6 +67,24 @@ class PrefsManager @Inject constructor(
         return GroundStationPosition(lat, lon, alt)
     }
 
+    fun getLastKnownLocation(): Location? {
+        val provPassive = LocationManager.PASSIVE_PROVIDER
+        return try {
+            val location = locationManager.getLastKnownLocation(provPassive)
+            location?.let {
+                preferences.edit {
+                    putString(keyLatitude, location.latitude.toString())
+                    putString(keyLongitude, location.longitude.toString())
+                    putString(keyAltitude, location.altitude.toString())
+                    apply()
+                }
+            }
+            location
+        } catch (e: SecurityException) {
+            null
+        }
+    }
+
     fun setHoursAhead(hours: Int) {
         preferences.edit {
             putInt(keyHoursAhead, hours)
@@ -80,15 +99,6 @@ class PrefsManager @Inject constructor(
         }
     }
 
-    fun setPosition(gsp: GroundStationPosition) {
-        preferences.edit {
-            putString(keyLatitude, gsp.latitude.toString())
-            putString(keyLongitude, gsp.longitude.toString())
-            putString(keyAltitude, gsp.heightAMSL.toString())
-            apply()
-        }
-    }
-
     fun getTleSources(): Set<String> {
         return preferences.getStringSet(keyTleSources, null) ?: setOf(defaultTleUrl)
     }