Playing Directly from Artist Page

lib/components/ArtistScreen/artist_play_button.dart

@@ -0,0 +1,105 @@
+import 'package:flutter/material.dart';
+import 'package:get_it/get_it.dart';
+import 'package:hive/hive.dart';
+
+
+import '../../models/jellyfin_models.dart';
+import '../../models/finamp_models.dart';
+import '../../services/jellyfin_api_helper.dart';
+import '../../services/audio_service_helper.dart';
+import '../../services/finamp_settings_helper.dart';
+import '../../services/downloads_helper.dart';
+
+class ArtistPlayButton extends StatefulWidget {
+  const ArtistPlayButton({
+    Key? key,
+    required this.artist,
+  }) : super(key: key);
+
+  final BaseItemDto artist;
+
+
+  @override
+  State<ArtistPlayButton> createState() => _ArtistPlayButtonState();
+}
+
+class _ArtistPlayButtonState extends State<ArtistPlayButton> {
+  static const _disabledButton = IconButton(
+    onPressed: null,
+    icon: Icon(Icons.play_arrow)
+    );
+    Future<List<BaseItemDto>?>? artistPlayButtonFuture;
+
+    final _jellyfinApiHelper = GetIt.instance<JellyfinApiHelper>();
+    final _audioServiceHelper = GetIt.instance<AudioServiceHelper>();
+
+
+    @override
+    Widget build(BuildContext context) {
+      return ValueListenableBuilder<Box<FinampSettings>>(
+        valueListenable: FinampSettingsHelper.finampSettingsListener,
+        builder: (context, box, _) {
+          final isOffline = box.get("FinampSettings")?.isOffline ?? false;
+
+          if (isOffline) {
+             final downloadsHelper = GetIt.instance<DownloadsHelper>();
+
+             final List<BaseItemDto>artistsSongs = [];
+
+             for (DownloadedSong item in downloadsHelper.downloadedItems) {
+              if (item.song.albumArtist == widget.artist.name) {
+                artistsSongs.add(item.song);
+              }
+             }
+
+             // We have to sort by hand in offline mode because a downloadedParent for artists hasn't been implemented
+             Map<String, List<BaseItemDto>> groupedSongs = {};
+             for (BaseItemDto song in artistsSongs) {
+              groupedSongs.putIfAbsent((song.albumId ?? 'unknown'), () => []);
+              groupedSongs[song.albumId]!.add(song);
+             }
+
+             final List<BaseItemDto> sortedSongs = [];
+             groupedSongs.forEach((album, albumSongs) {
+               albumSongs.sort((a, b) => (a.indexNumber ?? 0).compareTo(b.indexNumber ?? 0));
+               sortedSongs.addAll(albumSongs);
+             });
+
+              return IconButton(
+                onPressed: () async {
+                  await _audioServiceHelper
+                         .replaceQueueWithItem(itemList: sortedSongs);
+                },
+                icon: const Icon(Icons.play_arrow),
+              );
+          } else {
+            artistPlayButtonFuture ??= _jellyfinApiHelper.getItems(
+            parentItem: widget.artist,
+            includeItemTypes: "Audio",
+            sortBy: 'PremiereDate,Album,SortName',
+            isGenres: false,
+            );
+
+            return FutureBuilder<List<BaseItemDto>?>(
+            future: artistPlayButtonFuture,
+            builder: (context, snapshot) {
+              if (snapshot.hasData){
+                final List<BaseItemDto> items = snapshot.data!;
+
+                return IconButton(
+                  onPressed: () async {
+                    await _audioServiceHelper
+                           .replaceQueueWithItem(itemList: items);
+                  }, 
+                  icon: const Icon(Icons.play_arrow),
+                  );
+              } else {
+                return _disabledButton;
+              }
+            },
+          );
+         }
+        },
+      );
+    }
+}

lib/components/ArtistScreen/artist_shuffle_button.dart

@@ -0,0 +1,92 @@
+import 'package:flutter/material.dart';
+import 'package:get_it/get_it.dart';
+import 'package:hive/hive.dart';
+
+
+import '../../models/jellyfin_models.dart';
+import '../../models/finamp_models.dart';
+import '../../services/jellyfin_api_helper.dart';
+import '../../services/audio_service_helper.dart';
+import '../../services/finamp_settings_helper.dart';
+import '../../services/downloads_helper.dart';
+
+class ArtistShuffleButton extends StatefulWidget {
+  const ArtistShuffleButton({
+    Key? key,
+    required this.artist,
+  }) : super(key: key);
+
+  final BaseItemDto artist;
+
+
+  @override
+  State<ArtistShuffleButton> createState() => _ArtistShuffleButtonState();
+}
+
+class _ArtistShuffleButtonState extends State<ArtistShuffleButton> {
+  static const _disabledButton = IconButton(
+    onPressed: null,
+    icon: Icon(Icons.play_arrow)
+    );
+    Future<List<BaseItemDto>?>? artistShuffleButtonFuture;
+
+    final _jellyfinApiHelper = GetIt.instance<JellyfinApiHelper>();
+    final _audioServiceHelper = GetIt.instance<AudioServiceHelper>();
+
+
+    @override
+    Widget build(BuildContext context) {
+      return ValueListenableBuilder<Box<FinampSettings>>(
+        valueListenable: FinampSettingsHelper.finampSettingsListener,
+        builder: (context, box, _) {
+          final isOffline = box.get("FinampSettings")?.isOffline ?? false;
+
+          if (isOffline) {
+             final downloadsHelper = GetIt.instance<DownloadsHelper>();
+
+             final List<BaseItemDto>artistsSongs = [];
+
+             for (DownloadedSong item in downloadsHelper.downloadedItems) {
+              if (item.song.albumArtist == widget.artist.name) {
+                artistsSongs.add(item.song);
+              }
+             }
+
+              return IconButton(
+                onPressed: () async {
+                  await _audioServiceHelper
+                         .replaceQueueWithItem(itemList: artistsSongs, shuffle: true);
+                },
+                icon: const Icon(Icons.shuffle),
+              );
+          } else {
+            artistShuffleButtonFuture ??= _jellyfinApiHelper.getItems(
+            parentItem: widget.artist,
+            includeItemTypes: "Audio",
+            sortBy: 'PremiereDate,Album,SortName',
+            isGenres: false,
+            );
+
+            return FutureBuilder<List<BaseItemDto>?>(
+            future: artistShuffleButtonFuture,
+            builder: (context, snapshot) {
+              if (snapshot.hasData){
+                final List<BaseItemDto> items = snapshot.data!;
+
+                return IconButton(
+                  onPressed: () async {
+                    await _audioServiceHelper
+                           .replaceQueueWithItem(itemList: items, shuffle: true);
+                  }, 
+                  icon: const Icon(Icons.shuffle),
+                  );
+              } else {
+                return _disabledButton;
+              }
+            },
+          );
+         }
+        },
+      );
+    }
+}

lib/components/MusicScreen/music_screen_tab_view.dart

@@ -28,6 +28,7 @@ class MusicScreenTabView extends StatefulWidget {
     this.sortBy,
     this.sortOrder,
     this.view,
+    this.albumArtist,
   }) : super(key: key);
 
   final TabContentType tabContentType;
@@ -37,6 +38,7 @@ class MusicScreenTabView extends StatefulWidget {
   final SortBy? sortBy;
   final SortOrder? sortOrder;
   final BaseItemDto? view;
+  final String? albumArtist; 
 
   @override
   State<MusicScreenTabView> createState() => _MusicScreenTabViewState();
@@ -183,12 +185,14 @@ class _MusicScreenTabViewState extends State<MusicScreenTabView>
                     .map((e) => e.song)
                     .toList();
               } else {
+                String? albumArtist = widget.albumArtist;
                 offlineSortedItems = downloadsHelper.downloadedParents
                     .where((element) =>
                         element.item.type ==
                             _includeItemTypes(widget.tabContentType) &&
                         element.viewId ==
-                            _finampUserHelper.currentUser!.currentViewId)
+                            _finampUserHelper.currentUser!.currentViewId &&
+                            (albumArtist == null || element.item.albumArtist?.toLowerCase() == albumArtist.toLowerCase()))
                     .map((e) => e.item)
                     .toList();
               }

lib/screens/artist_screen.dart

@@ -6,6 +6,8 @@ import '../components/ArtistScreen/artist_download_button.dart';
 import '../components/MusicScreen/music_screen_tab_view.dart';
 import '../components/now_playing_bar.dart';
 import '../components/favourite_button.dart';
+import '../components/ArtistScreen/artist_play_button.dart';
+import '../components/ArtistScreen/artist_shuffle_button.dart';
 
 class ArtistScreen extends StatelessWidget {
   const ArtistScreen({
@@ -28,6 +30,8 @@ class ArtistScreen extends StatelessWidget {
         title: Text(artist.name ?? "Unknown Name"),
         actions: [
           // this screen is also used for genres, which can't be favorited
+          if (artist.type != "MusicGenre") ArtistPlayButton(artist: artist),
+          if (artist.type != "MusicGenre") ArtistShuffleButton(artist: artist), 
           if (artist.type != "MusicGenre") FavoriteButton(item: artist),
           ArtistDownloadButton(artist: artist)
         ],
@@ -36,6 +40,8 @@ class ArtistScreen extends StatelessWidget {
         tabContentType: TabContentType.albums,
         parentItem: artist,
         isFavourite: false,
+        sortBy: SortBy.premiereDate,
+        albumArtist: artist.name,
       ),
       bottomNavigationBar: const NowPlayingBar(),
     );