Fix bug w/Artist Images

Fix a bug where the app will crash if it attempts to load the artist image for an artist that has no albums.

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

@@ -9,6 +9,8 @@ import org.oxycblt.auxio.R
 import org.oxycblt.auxio.music.models.Album
 import org.oxycblt.auxio.music.models.Artist
 
+// List of ID3 genres + Winamp extensions, each index corresponds to their int value.
+// There are a lot more int-genre extensions as far as Im aware, but this works for most cases.
 private val ID3_GENRES = arrayOf(
     "Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk", "Grunge", "Hip-Hop", "Jazz",
     "Metal", "New Age", "Oldies", "Other", "Pop", "R&B", "Rap", "Reggae", "Rock", "Techno",

app/src/main/java/org/oxycblt/auxio/music/coil/CoilUtils.kt

@@ -35,7 +35,10 @@ fun ImageView.getCoverArt(album: Album) {
 // Get the artist image
 @BindingAdapter("artistImage")
 fun ImageView.getArtistImage(artist: Artist) {
-    val request = if (artist.numAlbums >= 4) {
+    // If there are more than one albums, then create a mosaic of them.
+    val request: ImageRequest
+
+    if (artist.numAlbums >= 4) {
         val uris = mutableListOf<Uri>()
 
         for (i in 0..3) {
@@ -44,16 +47,24 @@ fun ImageView.getArtistImage(artist: Artist) {
 
         val fetcher = ArtistImageFetcher(context)
 
-        getDefaultRequest(context, this)
+        request = getDefaultRequest(context, this)
             .data(uris)
             .fetcher(fetcher)
             .error(R.drawable.ic_artist)
             .build()
     } else {
-        getDefaultRequest(context, this)
-            .data(artist.albums[0].coverUri)
-            .error(R.drawable.ic_artist)
-            .build()
+        // Otherwise, just get the first cover and use that
+        // If the artist doesn't have any albums [Which happens], then don't even bother with that.
+        if (artist.albums.isNotEmpty()) {
+            request = getDefaultRequest(context, this)
+                .data(artist.albums[0].coverUri)
+                .error(R.drawable.ic_artist)
+                .build()
+        } else {
+            setImageResource(R.drawable.ic_artist)
+
+            return
+        }
     }
 
     Coil.imageLoader(context).enqueue(request)

app/src/main/java/org/oxycblt/auxio/music/processing/MusicSorter.kt

@@ -75,8 +75,6 @@ class MusicSorter(
             // Find all albums that match the current artist name
             val artistAlbums = albums.filter { it.artistName == artist.name }
 
-            Log.d(this::class.simpleName, artist.id.toString())
-
             // Then add them to the artist, along with refreshing the amount of albums
             for (album in artistAlbums) {
                 album.artist = artist