Redesign AlbumScreen (#172)

app/src/main/kotlin/it/vfsfitvnm/vimusic/models/AlbumWithSongs.kt

@@ -0,0 +1,22 @@
+package it.vfsfitvnm.vimusic.models
+
+import androidx.compose.runtime.Immutable
+import androidx.room.Embedded
+import androidx.room.Junction
+import androidx.room.Relation
+
+@Immutable
+data class AlbumWithSongs(
+    @Embedded val album: Album,
+    @Relation(
+        entity = Song::class,
+        parentColumn = "id",
+        entityColumn = "id",
+        associateBy = Junction(
+            value = SortedSongAlbumMap::class,
+            parentColumn = "albumId",
+            entityColumn = "songId"
+        )
+    )
+    val songs: List<DetailedSong>
+)

app/src/main/kotlin/it/vfsfitvnm/vimusic/models/SortedSongAlbumMap.kt

@@ -0,0 +1,13 @@
+package it.vfsfitvnm.vimusic.models
+
+import androidx.compose.runtime.Immutable
+import androidx.room.ColumnInfo
+import androidx.room.DatabaseView
+
+@Immutable
+@DatabaseView("SELECT * FROM SongAlbumMap ORDER BY position")
+data class SortedSongAlbumMap(
+    @ColumnInfo(index = true) val songId: String,
+    @ColumnInfo(index = true) val albumId: String,
+    val position: Int
+)