feat: added shuffle button in playlist and album section

lib/components/shared/playlist_shuffle_button.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:platform_ui/platform_ui.dart';
+
+class PlaylistShuffleButton extends StatelessWidget {
+  final onPressed;
+
+  const PlaylistShuffleButton({
+    Key? key,
+    this.onPressed,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return PlatformIconButton(
+      tooltip: "Shuffle",
+      icon: const Icon(Icons.shuffle),
+      onPressed: this.onPressed,
+    );
+  }
+}

lib/components/shared/track_table/track_collection_view.dart

@@ -26,6 +26,7 @@ class TrackCollectionView<T> extends HookConsumerWidget {
   final void Function([Track? currentTrack]) onPlay;
   final void Function() onShare;
   final Widget? heartBtn;
+  final Widget? shuffleButton;
   final AlbumSimple? album;
 
   final bool showShare;
@@ -43,6 +44,7 @@ class TrackCollectionView<T> extends HookConsumerWidget {
     required this.onShare,
     required this.routePath,
     this.heartBtn,
+    this.shuffleButton,
     this.album,
     this.description,
     this.showShare = true,
@@ -68,6 +70,8 @@ class TrackCollectionView<T> extends HookConsumerWidget {
           onPressed: onShare,
         ),
       if (heartBtn != null) heartBtn!,
+      if (shuffleButton != null) shuffleButton!,
+
 
       // play playlist
       Container(

lib/pages/album/album.dart

@@ -14,6 +14,7 @@ import 'package:spotube/utils/type_conversion_utils.dart';
 import 'package:spotube/models/current_playlist.dart';
 import 'package:spotube/provider/playback_provider.dart';
 import 'package:spotube/provider/spotify_provider.dart';
+import 'package:spotube/components/shared/playlist_shuffle_button.dart';
 
 class AlbumPage extends HookConsumerWidget {
   final AlbumSimple album;
@@ -112,6 +113,26 @@ class AlbumPage extends HookConsumerWidget {
         );
       },
       heartBtn: AlbumHeartButton(album: album),
+      shuffleButton: PlaylistShuffleButton(onPressed: () {
+        var albumTracks = tracksSnapshot.data!
+            .map((track) =>
+            TypeConversionUtils.simpleTrack_X_Track(track, album))
+            .toList();
+        // Shuffle the tracks (create a copy of playlist)
+        var tracks = [...albumTracks];
+        tracks.shuffle();
+
+        // If playback is playing a track then pause it
+        if (playback.isPlaying) {
+          playback.pause();
+        }
+
+        // Play the shuffled playlist
+        playPlaylist( playback,
+          tracks,
+          ref,
+        );
+      }),
     );
   }
 }

lib/pages/playlist/playlist.dart

@@ -16,6 +16,7 @@ import 'package:spotube/services/queries/queries.dart';
 
 import 'package:spotube/utils/service_utils.dart';
 import 'package:spotube/utils/type_conversion_utils.dart';
+import 'package:spotube/components/shared/playlist_shuffle_button.dart';
 
 class PlaylistView extends HookConsumerWidget {
   final logger = getLogger(PlaylistView);
@@ -126,6 +127,23 @@ class PlaylistView extends HookConsumerWidget {
         });
       },
       heartBtn: PlaylistHeartButton(playlist: playlist),
+      shuffleButton: PlaylistShuffleButton(onPressed: () {
+        // Shuffle the tracks (create a copy of playlist)
+        var tracks = [...?tracksSnapshot.data];
+        tracks.shuffle();
+
+        // If playback is playing a track then pause it
+        if (playback.isPlaying) {
+          playback.pause();
+        }
+
+        // Play the shuffled playlist
+        playPlaylist( playback,
+          tracks,
+          ref,
+          currentTrack: null,
+        );
+      }),
     );
   }
 }