refactor: use extension methods for simple album to album and simple track to track conversion

lib/components/album/album_card.dart

@@ -6,11 +6,11 @@ import 'package:spotube/components/shared/playbutton_card.dart';
 import 'package:spotube/extensions/artist_simple.dart';
 import 'package:spotube/extensions/context.dart';
 import 'package:spotube/extensions/image.dart';
+import 'package:spotube/extensions/track.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/services/audio_player/audio_player.dart';
 import 'package:spotube/utils/service_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 extension FormattedAlbumType on AlbumType {
   String get formatted => name.replaceFirst(name[0], name[0].toUpperCase());
@@ -41,10 +41,7 @@ class AlbumCard extends HookConsumerWidget {
 
     Future<List<Track>> fetchAllTrack() async {
       if (album.tracks != null && album.tracks!.isNotEmpty) {
-        return album.tracks!
+        return album.tracks!.map((track) => track.asTrack(album)).toList();
-            .map((track) =>
-                TypeConversionUtils.simpleTrack_X_Track(track, album))
-            .toList();
       }
       await ref.read(albumTracksProvider(album).future);
       return ref.read(albumTracksProvider(album).notifier).fetchAll();

lib/components/artist/artist_card.dart

@@ -11,7 +11,6 @@ import 'package:spotube/hooks/utils/use_breakpoint_value.dart';
 import 'package:spotube/hooks/utils/use_brightness_value.dart';
 import 'package:spotube/provider/blacklist_provider.dart';
 import 'package:spotube/utils/service_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class ArtistCard extends HookConsumerWidget {
   final Artist artist;

lib/components/library/playlist_generate/simple_track_tile.dart

@@ -5,7 +5,6 @@ import 'package:spotube/collections/spotube_icons.dart';
 
 import 'package:spotube/components/shared/image/universal_image.dart';
 import 'package:spotube/extensions/image.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class SimpleTrackTile extends HookWidget {
   final Track track;

lib/components/library/user_albums.dart

@@ -12,12 +12,11 @@ import 'package:spotube/components/shared/fallbacks/not_found.dart';
 import 'package:spotube/components/shared/inter_scrollbar/inter_scrollbar.dart';
 import 'package:spotube/components/shared/fallbacks/anonymous_fallback.dart';
 import 'package:spotube/components/shared/waypoint.dart';
+import 'package:spotube/extensions/album_simple.dart';
 import 'package:spotube/extensions/context.dart';
 import 'package:spotube/provider/authentication_provider.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 
-import 'package:spotube/utils/type_conversion_utils.dart';
-
 class UserAlbums extends HookConsumerWidget {
   const UserAlbums({super.key});
 
@@ -99,10 +98,7 @@ class UserAlbums extends HookConsumerWidget {
                             mainAxisAlignment: MainAxisAlignment.center,
                             children: [NotFound()],
                           ),
-                        for (final album in albums)
+                        for (final album in albums) AlbumCard(album.toAlbum()),
-                          AlbumCard(
-                            TypeConversionUtils.simpleAlbum_X_Album(album),
-                          ),
                         if (albums.isNotEmpty &&
                             albumsQuery.asData?.value.hasMore == true)
                           Skeletonizer(

lib/components/library/user_downloads/download_item.dart

@@ -10,7 +10,6 @@ import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/download_manager_provider.dart';
 import 'package:spotube/services/download_manager/download_status.dart';
 import 'package:spotube/services/sourced_track/sourced_track.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class DownloadItem extends HookConsumerWidget {
   final Track track;

lib/components/library/user_local_tracks.dart

@@ -23,11 +23,11 @@ import 'package:spotube/components/shared/sort_tracks_dropdown.dart';
 import 'package:spotube/components/shared/track_tile/track_tile.dart';
 import 'package:spotube/extensions/artist_simple.dart';
 import 'package:spotube/extensions/context.dart';
+import 'package:spotube/extensions/track.dart';
 import 'package:spotube/models/local_track.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/provider/user_preferences/user_preferences_provider.dart';
 import 'package:spotube/utils/service_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 import 'package:flutter_rust_bridge/flutter_rust_bridge.dart' show FfiException;
 
 const supportedAudioTypes = [
@@ -112,7 +112,7 @@ final localTracksProvider = FutureProvider<List<LocalTrack>>((ref) async {
     final tracks = filesWithMetadata
         .map(
           (fileWithMetadata) => LocalTrack.fromTrack(
-            track: TypeConversionUtils.localTrack_X_Track(
+            track: Track().fromFile(
               fileWithMetadata["file"],
               metadata: fileWithMetadata["metadata"],
               art: fileWithMetadata["art"],

lib/components/player/player.dart

@@ -27,7 +27,7 @@ import 'package:spotube/pages/lyrics/lyrics.dart';
 import 'package:spotube/provider/authentication_provider.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/services/sourced_track/sources/youtube.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
+
 import 'package:url_launcher/url_launcher_string.dart';
 
 class PlayerView extends HookConsumerWidget {

lib/components/player/player_track_details.dart

@@ -10,7 +10,6 @@ import 'package:spotube/extensions/artist_simple.dart';
 import 'package:spotube/extensions/constrains.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/utils/service_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class PlayerTrackDetails extends HookConsumerWidget {
   final String? albumArt;

lib/components/player/sibling_tracks_sheet.dart

@@ -25,7 +25,6 @@ import 'package:spotube/services/sourced_track/sources/jiosaavn.dart';
 import 'package:spotube/services/sourced_track/sources/piped.dart';
 import 'package:spotube/services/sourced_track/sources/youtube.dart';
 import 'package:spotube/utils/service_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 final sourceInfoToIconMap = {
   YoutubeSourceInfo: const Icon(SpotubeIcons.youtube, color: Color(0xFFFF0000)),

lib/components/playlist/playlist_card.dart

@@ -8,7 +8,6 @@ import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/services/audio_player/audio_player.dart';
 import 'package:spotube/utils/service_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class PlaylistCard extends HookConsumerWidget {
   final PlaylistSimple playlist;

lib/components/playlist/playlist_create_dialog.dart

@@ -17,7 +17,6 @@ import 'package:spotube/extensions/context.dart';
 import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/provider/spotify_provider.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class PlaylistCreateDialog extends HookConsumerWidget {
   /// Track ids to add to the playlist

lib/components/root/bottom_player.dart

@@ -23,7 +23,6 @@ import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/provider/user_preferences/user_preferences_provider.dart';
 import 'package:spotube/provider/user_preferences/user_preferences_state.dart';
 import 'package:spotube/utils/platform.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class BottomPlayer extends HookConsumerWidget {
   BottomPlayer({super.key});

lib/components/root/sidebar.dart

@@ -21,7 +21,6 @@ import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/provider/user_preferences/user_preferences_provider.dart';
 import 'package:spotube/provider/user_preferences/user_preferences_state.dart';
 import 'package:spotube/utils/platform.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class Sidebar extends HookConsumerWidget {
   final int? selectedIndex;

lib/components/shared/dialogs/playlist_add_track_dialog.dart

@@ -9,7 +9,6 @@ import 'package:spotube/components/shared/image/universal_image.dart';
 import 'package:spotube/extensions/context.dart';
 import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class PlaylistAddTrackDialog extends HookConsumerWidget {
   /// The id of the playlist this dialog was opened from

lib/components/shared/track_tile/track_options.dart

@@ -26,7 +26,7 @@ import 'package:spotube/provider/download_manager_provider.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/provider/spotify_provider.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
+
 import 'package:url_launcher/url_launcher_string.dart';
 
 enum TrackOptionValue {

lib/components/shared/track_tile/track_tile.dart

@@ -19,7 +19,6 @@ import 'package:spotube/extensions/image.dart';
 import 'package:spotube/models/local_track.dart';
 import 'package:spotube/provider/blacklist_provider.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class TrackTile extends HookConsumerWidget {
   /// [index] will not be shown if null

lib/extensions/album_simple.dart

@@ -1,6 +1,6 @@
 import 'package:spotify/spotify.dart';
 
-extension AlbumJson on AlbumSimple {
+extension AlbumExtensions on AlbumSimple {
   Map<String, dynamic> toJson() {
     return {
       "albumType": albumType?.name,
@@ -15,4 +15,22 @@ extension AlbumJson on AlbumSimple {
           .toList(),
     };
   }
+
+  Album toAlbum() {
+    Album album = Album();
+    album.albumType = albumType;
+    album.artists = artists;
+    album.availableMarkets = availableMarkets;
+    album.externalUrls = externalUrls;
+    album.href = href;
+    album.id = id;
+    album.images = images;
+    album.name = name;
+    album.releaseDate = releaseDate;
+    album.releaseDatePrecision = releaseDatePrecision;
+    album.tracks = tracks;
+    album.type = type;
+    album.uri = uri;
+    return album;
+  }
 }

lib/extensions/image.dart

@@ -1,9 +1,15 @@
 import 'package:spotify/spotify.dart';
 import 'package:spotube/collections/assets.gen.dart';
 import 'package:spotube/utils/primitive_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 import 'package:collection/collection.dart';
 
+enum ImagePlaceholder {
+  albumArt,
+  artist,
+  collection,
+  online,
+}
+
 extension SpotifyImageExtensions on List<Image>? {
   String asUrlString({
     int index = 1,

lib/extensions/track.dart

@@ -1,10 +1,46 @@
+import 'dart:io';
+
+import 'package:metadata_god/metadata_god.dart';
+import 'package:path/path.dart';
 import 'package:spotify/spotify.dart';
 import 'package:spotube/extensions/album_simple.dart';
 import 'package:spotube/extensions/artist_simple.dart';
 
-extension TrackJson on Track {
+extension TrackExtensions on Track {
+  Track fromFile(
+    File file, {
+    Metadata? metadata,
+    String? art,
+  }) {
+    album = Album()
+      ..name = metadata?.album ?? "Unknown"
+      ..images = [if (art != null) Image()..url = art]
+      ..genres = [if (metadata?.genre != null) metadata!.genre!]
+      ..artists = [
+        Artist()
+          ..name = metadata?.albumArtist ?? "Unknown"
+          ..id = metadata?.albumArtist ?? "Unknown"
+          ..type = "artist",
+      ]
+      ..id = metadata?.album
+      ..releaseDate = metadata?.year?.toString();
+    artists = [
+      Artist()
+        ..name = metadata?.artist ?? "Unknown"
+        ..id = metadata?.artist ?? "Unknown"
+    ];
+
+    id = metadata?.title ?? basenameWithoutExtension(file.path);
+    name = metadata?.title ?? basenameWithoutExtension(file.path);
+    type = "track";
+    uri = file.path;
+    durationMs = (metadata?.durationMs?.toInt() ?? 0);
+
+    return this;
+  }
+
   Map<String, dynamic> toJson() {
-    return TrackJson.trackToJson(this);
+    return TrackExtensions.trackToJson(this);
   }
 
   static Map<String, dynamic> trackToJson(Track track) {
@@ -30,3 +66,27 @@ extension TrackJson on Track {
     };
   }
 }
+
+extension TrackSimpleExtensions on TrackSimple {
+  Track asTrack(AlbumSimple album) {
+    Track track = Track();
+    track.name = name;
+    track.album = album;
+    track.artists = artists;
+    track.availableMarkets = availableMarkets;
+    track.discNumber = discNumber;
+    track.durationMs = durationMs;
+    track.explicit = explicit;
+    track.externalUrls = externalUrls;
+    track.href = href;
+    track.id = id;
+    track.isPlayable = isPlayable;
+    track.linkedFrom = linkedFrom;
+    track.name = name;
+    track.previewUrl = previewUrl;
+    track.trackNumber = trackNumber;
+    track.type = type;
+    track.uri = uri;
+    return track;
+  }
+}

lib/models/local_track.dart

@@ -37,7 +37,7 @@ class LocalTrack extends Track {
 
   Map<String, dynamic> toJson() {
     return {
-      ...TrackJson.trackToJson(this),
+      ...TrackExtensions.trackToJson(this),
       'path': path,
     };
   }

lib/pages/album/album.dart

@@ -6,7 +6,6 @@ import 'package:spotube/components/shared/tracks_view/track_view_props.dart';
 import 'package:spotube/extensions/context.dart';
 import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class AlbumPage extends HookConsumerWidget {
   final AlbumSimple album;

lib/pages/artist/section/footer.dart

@@ -7,7 +7,7 @@ import 'package:spotube/components/shared/image/universal_image.dart';
 import 'package:spotube/extensions/constrains.dart';
 import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
+
 import 'package:url_launcher/url_launcher_string.dart';
 
 class ArtistPageFooter extends ConsumerWidget {

lib/pages/artist/section/header.dart

@@ -14,7 +14,6 @@ import 'package:spotube/provider/authentication_provider.dart';
 import 'package:spotube/provider/blacklist_provider.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/utils/primitive_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class ArtistPageHeader extends HookConsumerWidget {
   final String artistId;

lib/pages/library/playlist_generate/playlist_generate.dart

@@ -20,7 +20,6 @@ import 'package:spotube/models/spotify/recommendation_seeds.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/provider/spotify_provider.dart';
 import 'package:spotube/provider/user_preferences/user_preferences_provider.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 const RecommendationAttribute zeroValues = (min: 0, target: 0, max: 0);
 

lib/pages/lyrics/lyrics.dart

@@ -19,7 +19,6 @@ import 'package:spotube/pages/lyrics/synced_lyrics.dart';
 import 'package:spotube/provider/authentication_provider.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/utils/platform.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class LyricsPage extends HookConsumerWidget {
   final bool isModal;

lib/pages/lyrics/plain_lyrics.dart

@@ -15,8 +15,6 @@ import 'package:spotube/extensions/context.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 
-import 'package:spotube/utils/type_conversion_utils.dart';
-
 class PlainLyrics extends HookConsumerWidget {
   final PaletteColor palette;
   final bool? isModal;

lib/pages/playlist/playlist.dart

@@ -8,7 +8,6 @@ import 'package:spotube/components/shared/tracks_view/track_view_props.dart';
 import 'package:spotube/extensions/context.dart';
 import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class PlaylistPage extends HookConsumerWidget {
   final PlaylistSimple playlist;

lib/pages/search/sections/albums.dart

@@ -4,9 +4,9 @@ import 'package:hooks_riverpod/hooks_riverpod.dart';
 
 import 'package:spotify/spotify.dart';
 import 'package:spotube/components/shared/horizontal_playbutton_card_view/horizontal_playbutton_card_view.dart';
+import 'package:spotube/extensions/album_simple.dart';
 import 'package:spotube/extensions/context.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class SearchAlbumsSection extends HookConsumerWidget {
   const SearchAlbumsSection({
@@ -21,7 +21,7 @@ class SearchAlbumsSection extends HookConsumerWidget {
       () =>
           query.asData?.value.items
               .cast<AlbumSimple>()
-              .map(TypeConversionUtils.simpleAlbum_X_Album)
+              .map((e) => e.toAlbum())
               .toList() ??
           [],
       [query.value],

lib/pages/track/track.dart

@@ -17,7 +17,7 @@ import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/provider/spotify/spotify.dart';
 import 'package:spotube/services/audio_player/audio_player.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
+
 import 'package:spotube/extensions/constrains.dart';
 
 class TrackPage extends HookConsumerWidget {

lib/provider/download_manager_provider.dart

@@ -16,7 +16,6 @@ import 'package:spotube/services/download_manager/download_manager.dart';
 import 'package:spotube/services/sourced_track/enums.dart';
 import 'package:spotube/services/sourced_track/sourced_track.dart';
 import 'package:spotube/utils/primitive_utils.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class DownloadManagerProvider extends ChangeNotifier {
   DownloadManagerProvider({required this.ref})

lib/provider/proxy_playlist/proxy_playlist_provider.dart

@@ -33,7 +33,6 @@ import 'package:spotube/services/sourced_track/sources/piped.dart';
 import 'package:spotube/services/sourced_track/sources/youtube.dart';
 
 import 'package:spotube/utils/persisted_state_notifier.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 /// Things implemented:
 /// * [x] Sponsor-Block skip

lib/provider/scrobbler_provider.dart

@@ -8,7 +8,6 @@ import 'package:spotube/collections/env.dart';
 import 'package:spotube/extensions/artist_simple.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/utils/persisted_state_notifier.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class ScrobblerState {
   final String username;

lib/provider/spotify/album/releases.dart

@@ -36,10 +36,7 @@ class AlbumReleasesNotifier
         .newReleases(country: market)
         .getPage(limit, offset);
 
-    return albums.items
+    return albums.items?.map((album) => album.toAlbum()).toList() ?? [];
-            ?.map(TypeConversionUtils.simpleAlbum_X_Album)
-            .toList() ??
-        [];
   }
 
   @override

lib/provider/spotify/album/tracks.dart

@@ -31,10 +31,7 @@ class AlbumTracksNotifier extends AutoDisposeFamilyPaginatedAsyncNotifier<Track,
   @override
   fetch(arg, offset, limit) async {
     final tracks = await spotify.albums.tracks(arg.id!).getPage(limit, offset);
-    return tracks.items
+    return tracks.items?.map((e) => e.asTrack(arg)).toList() ?? [];
-            ?.map((e) => TypeConversionUtils.simpleTrack_X_Track(e, arg))
-            .toList() ??
-        [];
   }
 
   @override

lib/provider/spotify/spotify.dart

@@ -12,6 +12,7 @@ import 'package:spotify/spotify.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 // ignore: depend_on_referenced_packages, implementation_imports
 import 'package:riverpod/src/async_notifier.dart';
+import 'package:spotube/extensions/album_simple.dart';
 import 'package:spotube/extensions/map.dart';
 import 'package:spotube/extensions/track.dart';
 import 'package:spotube/models/lyrics.dart';
@@ -23,7 +24,7 @@ import 'package:spotube/provider/user_preferences/user_preferences_provider.dart
 import 'package:spotube/services/wikipedia/wikipedia.dart';
 import 'package:spotube/utils/persisted_state_notifier.dart';
 import 'package:http/http.dart' as http;
-import 'package:spotube/utils/type_conversion_utils.dart';
+
 import 'package:wikipedia_api/wikipedia_api.dart';
 
 part 'album/favorite.dart';

lib/services/audio_services/audio_services.dart

@@ -7,7 +7,6 @@ import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/services/audio_services/mobile_audio_service.dart';
 import 'package:spotube/services/audio_services/windows_audio_service.dart';
 import 'package:spotube/services/sourced_track/sourced_track.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class AudioServices {
   final MobileAudioService? mobile;

lib/services/audio_services/linux_audio_service.dart

@@ -9,7 +9,6 @@ import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/services/audio_player/audio_player.dart';
 import 'package:spotube/services/audio_player/loop_mode.dart';
 import 'package:spotube/services/sourced_track/sourced_track.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 final dbus = DBusClient.session();
 

lib/services/audio_services/windows_audio_service.dart

@@ -8,7 +8,6 @@ import 'package:spotube/extensions/image.dart';
 import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';
 import 'package:spotube/services/audio_player/audio_player.dart';
 import 'package:spotube/services/audio_player/playback_state.dart';
-import 'package:spotube/utils/type_conversion_utils.dart';
 
 class WindowsAudioService {
   final SMTCWindows smtc;

lib/utils/type_conversion_utils.dart

@@ -1,89 +0,0 @@
-// ignore_for_file: non_constant_identifier_names
-
-import 'dart:io';
-
-import 'package:metadata_god/metadata_god.dart';
-import 'package:path/path.dart';
-import 'package:spotify/spotify.dart';
-
-enum ImagePlaceholder {
-  albumArt,
-  artist,
-  collection,
-  online,
-}
-
-abstract class TypeConversionUtils {
-  static Album simpleAlbum_X_Album(AlbumSimple albumSimple) {
-    Album album = Album();
-    album.albumType = albumSimple.albumType;
-    album.artists = albumSimple.artists;
-    album.availableMarkets = albumSimple.availableMarkets;
-    album.externalUrls = albumSimple.externalUrls;
-    album.href = albumSimple.href;
-    album.id = albumSimple.id;
-    album.images = albumSimple.images;
-    album.name = albumSimple.name;
-    album.releaseDate = albumSimple.releaseDate;
-    album.releaseDatePrecision = albumSimple.releaseDatePrecision;
-    album.tracks = albumSimple.tracks;
-    album.type = albumSimple.type;
-    album.uri = albumSimple.uri;
-    return album;
-  }
-
-  static Track simpleTrack_X_Track(TrackSimple trackSmp, AlbumSimple album) {
-    Track track = Track();
-    track.name = trackSmp.name;
-    track.album = album;
-    track.artists = trackSmp.artists;
-    track.availableMarkets = trackSmp.availableMarkets;
-    track.discNumber = trackSmp.discNumber;
-    track.durationMs = trackSmp.durationMs;
-    track.explicit = trackSmp.explicit;
-    track.externalUrls = trackSmp.externalUrls;
-    track.href = trackSmp.href;
-    track.id = trackSmp.id;
-    track.isPlayable = trackSmp.isPlayable;
-    track.linkedFrom = trackSmp.linkedFrom;
-    track.name = trackSmp.name;
-    track.previewUrl = trackSmp.previewUrl;
-    track.trackNumber = trackSmp.trackNumber;
-    track.type = trackSmp.type;
-    track.uri = trackSmp.uri;
-    return track;
-  }
-
-  static Track localTrack_X_Track(
-    File file, {
-    Metadata? metadata,
-    String? art,
-  }) {
-    final track = Track();
-    track.album = Album()
-      ..name = metadata?.album ?? "Unknown"
-      ..images = [if (art != null) Image()..url = art]
-      ..genres = [if (metadata?.genre != null) metadata!.genre!]
-      ..artists = [
-        Artist()
-          ..name = metadata?.albumArtist ?? "Unknown"
-          ..id = metadata?.albumArtist ?? "Unknown"
-          ..type = "artist",
-      ]
-      ..id = metadata?.album
-      ..releaseDate = metadata?.year?.toString();
-    track.artists = [
-      Artist()
-        ..name = metadata?.artist ?? "Unknown"
-        ..id = metadata?.artist ?? "Unknown"
-    ];
-
-    track.id = metadata?.title ?? basenameWithoutExtension(file.path);
-    track.name = metadata?.title ?? basenameWithoutExtension(file.path);
-    track.type = "track";
-    track.uri = file.path;
-    track.durationMs = (metadata?.durationMs?.toInt() ?? 0);
-
-    return track;
-  }
-}