ui: fix library updates in ui

Fix issues where the UI failed to update with library changes in the
search/home view.

app/build.gradle

@@ -124,7 +124,3 @@ spotless {
         licenseHeaderFile("NOTICE")
     }
 }
-
-afterEvaluate {
-    preDebugBuild.dependsOn spotlessApply
-}

app/src/main/java/org/oxycblt/auxio/home/HomeViewModel.kt

@@ -138,6 +138,7 @@ class HomeViewModel(application: Application) :
 
     override fun onLibraryChanged(library: MusicStore.Library?) {
         if (library != null) {
+            logD("Library changed, refreshing library")
             _songs.value = settings.libSongSort.songs(library.songs)
             _albums.value = settings.libAlbumSort.albums(library.albums)
             _artists.value = settings.libArtistSort.artists(library.artists)

app/src/main/java/org/oxycblt/auxio/music/Music.kt

@@ -34,7 +34,6 @@ import org.oxycblt.auxio.music.storage.albumCoverUri
 import org.oxycblt.auxio.music.storage.audioUri
 import org.oxycblt.auxio.settings.Settings
 import org.oxycblt.auxio.ui.recycler.Item
-import org.oxycblt.auxio.util.logD
 import org.oxycblt.auxio.util.nonZeroOrNull
 import org.oxycblt.auxio.util.unlikelyToBeNull
 import java.security.MessageDigest
@@ -204,6 +203,11 @@ sealed class Music : Item {
 sealed class MusicParent : Music() {
     /** The songs that this parent owns. */
     abstract val songs: List<Song>
+
+    override fun hashCode() = 31 * uid.hashCode() + songs.hashCode()
+
+    override fun equals(other: Any?) =
+        other is MusicParent && javaClass == other.javaClass && uid == other.uid && songs == other.songs
 }
 
 /**
@@ -511,8 +515,6 @@ class Album constructor(raw: Raw, override val songs: List<Song>) : MusicParent(
             totalDuration += song.durationMs
         }
 
-        logD(earliestDateAdded)
-
         date = earliestDate
         durationMs = totalDuration
         dateAdded = earliestDateAdded

app/src/main/java/org/oxycblt/auxio/music/system/Indexer.kt

@@ -24,6 +24,7 @@ import android.os.Build
 import androidx.core.content.ContextCompat
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.withContext
 import kotlinx.coroutines.yield
 import org.oxycblt.auxio.BuildConfig
@@ -135,6 +136,8 @@ class Indexer {
      * complete, a new completion state will be pushed to each callback.
      */
     suspend fun index(context: Context) {
+        delay(2000)
+
         val notGranted =
             ContextCompat.checkSelfPermission(context, PERMISSION_READ_AUDIO) ==
                 PackageManager.PERMISSION_DENIED

app/src/main/java/org/oxycblt/auxio/search/SearchViewModel.kt

@@ -65,6 +65,10 @@ class SearchViewModel(application: Application) :
     private var lastQuery: String? = null
     private var currentSearchJob: Job? = null
 
+    init {
+        musicStore.addCallback(this)
+    }
+
     /**
      * Use [query] to perform a search of the music library. Will push results to [searchResults].
      */
@@ -175,6 +179,7 @@ class SearchViewModel(application: Application) :
 
     override fun onLibraryChanged(library: MusicStore.Library?) {
         if (library != null) {
+            logD("Library changed, re-searching")
             // Make sure our query is up to date with the music library.
             search(lastQuery)
         }