fix: dropped flutter_downloader deps due to slow download speed and UserDownloads not showing for anonymous

lib/components/Library/UserDownloads.dart

@@ -13,7 +13,6 @@ class UserDownloads extends HookConsumerWidget {
   Widget build(BuildContext context, ref) {
     final downloader = ref.watch(downloaderProvider);
 
-    final inQueue = downloader.inQueue.toList();
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
@@ -43,11 +42,11 @@ class UserDownloads extends HookConsumerWidget {
             ],
           ),
         ),
-        ListView.builder(
-          itemCount: inQueue.length,
-          shrinkWrap: true,
+        Expanded(
+          child: ListView.builder(
+            itemCount: downloader.inQueue.length,
             itemBuilder: (context, index) {
-            final track = inQueue[index];
+              final track = downloader.inQueue.elementAt(index);
               return ListTile(
                 title: Text(track.name!),
                 leading: Padding(
@@ -77,6 +76,7 @@ class UserDownloads extends HookConsumerWidget {
               );
             },
           ),
+        ),
       ],
     );
   }

lib/components/Library/UserLibrary.dart

@@ -5,14 +5,11 @@ import 'package:spotube/components/Library/UserArtists.dart';
 import 'package:spotube/components/Library/UserDownloads.dart';
 import 'package:spotube/components/Library/UserPlaylists.dart';
 import 'package:spotube/components/Shared/AnonymousFallback.dart';
-import 'package:spotube/provider/Auth.dart';
 
 class UserLibrary extends ConsumerWidget {
   const UserLibrary({Key? key}) : super(key: key);
   @override
   Widget build(BuildContext context, ref) {
-    final Auth auth = ref.watch(authProvider);
-
     return Expanded(
       child: DefaultTabController(
         length: 4,
@@ -27,14 +24,12 @@ class UserLibrary extends ConsumerWidget {
                 Tab(text: "Downloads"),
               ],
             ),
-            body: auth.isLoggedIn
-                ? TabBarView(children: [
-                    const UserPlaylists(),
-                    UserArtists(),
-                    const UserAlbums(),
+            body: TabBarView(children: [
+              const AnonymousFallback(child: UserPlaylists()),
+              AnonymousFallback(child: UserArtists()),
+              const AnonymousFallback(child: UserAlbums()),
               const UserDownloads(),
-                  ])
-                : const AnonymousFallback(),
+            ]),
           ),
         ),
       ),

lib/components/Shared/AnonymousFallback.dart

@@ -1,11 +1,20 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:spotube/provider/Auth.dart';
 
-class AnonymousFallback extends StatelessWidget {
-  const AnonymousFallback({Key? key}) : super(key: key);
+class AnonymousFallback extends ConsumerWidget {
+  final Widget? child;
+  const AnonymousFallback({
+    Key? key,
+    this.child,
+  }) : super(key: key);
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, ref) {
+    final isLoggedIn = ref.watch(authProvider.select((s) => s.isLoggedIn));
+
+    if (isLoggedIn && child != null) return child!;
     return Center(
       child: Column(
         mainAxisAlignment: MainAxisAlignment.center,

lib/main.dart

@@ -2,9 +2,7 @@ import 'dart:convert';
 
 import 'package:audio_service/audio_service.dart';
 import 'package:bitsdojo_window/bitsdojo_window.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_downloader/flutter_downloader.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:go_router/go_router.dart';
 import 'package:hive_flutter/hive_flutter.dart';
@@ -48,11 +46,6 @@ void main() async {
       }
       appWindow.show();
     });
-  } else if (kIsMobile) {
-    await FlutterDownloader.initialize(
-      debug: kDebugMode,
-      ignoreSsl: true,
-    );
   }
   MobileAudioService? audioServiceHandler;
   runApp(
@@ -155,13 +148,8 @@ class _SpotubeState extends ConsumerState<Spotube> with WidgetsBindingObserver {
     super.initState();
     SharedPreferences.getInstance().then(((value) => localStorage = value));
     WidgetsBinding.instance.addObserver(this);
-    if (kIsMobile) FlutterDownloader.registerCallback(downloadCallback);
   }
 
-  @pragma('vm:entry-point')
-  static void downloadCallback(
-      String id, DownloadTaskStatus status, int progress) {}
-
   @override
   void dispose() {
     WidgetsBinding.instance.removeObserver(this);

lib/provider/Downloader.dart

@@ -2,7 +2,6 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:flutter/widgets.dart';
-import 'package:flutter_downloader/flutter_downloader.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:queue/queue.dart';
 import 'package:path/path.dart' as path;
@@ -12,7 +11,6 @@ import 'package:spotube/models/SpotubeTrack.dart';
 import 'package:spotube/provider/Playback.dart';
 import 'package:spotube/provider/UserPreferences.dart';
 import 'package:spotube/provider/YouTube.dart';
-import 'package:spotube/utils/platform.dart';
 import 'package:youtube_explode_dart/youtube_explode_dart.dart';
 
 Queue queueInstance = Queue(delay: const Duration(seconds: 5));
@@ -38,42 +36,27 @@ class Downloader with ChangeNotifier {
 
   final logger = getLogger(Downloader);
 
+  Playback get _playback => ref.read(playbackProvider);
+
   void addToQueue(Track baseTrack) async {
     if (inQueue.any((t) => t.id == baseTrack.id!)) return;
     inQueue.add(baseTrack);
     currentlyRunning++;
     notifyListeners();
-    if (kIsMobile) {
-      grabberQueue.add(() async {
-        final track = await ref.read(playbackProvider).toSpotubeTrack(
-              baseTrack,
-              noSponsorBlock: true,
-            );
 
-        final filename = '${track.ytTrack.title}.mp3';
-
-        final url =
-            ((await yt.videos.streamsClient.getManifest(track.ytTrack.url)))
-                .audioOnly
-                .where((audio) => audio.codec.mimeType == "audio/mp4")
-                .withHighestBitrate()
-                .url;
-        await FlutterDownloader.enqueue(
-          savedDir: downloadPath,
-          url: url.toString(),
-          fileName: filename,
-          openFileFromNotification: true,
-          showNotification: true,
-        );
-      });
-    } else {
+    // Using android Audio Focus to keep the app run in background
+    _playback.mobileAudioService?.session?.setActive(true);
     grabberQueue.add(() async {
       final track = await ref.read(playbackProvider).toSpotubeTrack(
             baseTrack,
             noSponsorBlock: true,
           );
       _queue.add(() async {
-          final filename = '${track.ytTrack.title}.mp3';
+        final cleanTitle = track.ytTrack.title.replaceAll(
+          RegExp(r'[/\\?%*:|"<>]'),
+          "",
+        );
+        final filename = '$cleanTitle.mp3';
         final file = File(path.join(downloadPath, filename));
         try {
           logger.v("[addToQueue] Download starting for ${file.path}");
@@ -89,7 +72,9 @@ class Downloader with ChangeNotifier {
           final audioStream = yt.videos.streamsClient
               .get(
                 manifest.audioOnly
-                      .where((audio) => audio.codec.mimeType == "audio/mp4")
+                    .where(
+                      (audio) => audio.codec.mimeType == "audio/mp4",
+                    )
                     .withHighestBitrate(),
               )
               .asBroadcastStream();
@@ -114,25 +99,23 @@ class Downloader with ChangeNotifier {
         } finally {
           currentlyRunning--;
           inQueue.removeWhere((t) => t.id == track.id);
+          if (currentlyRunning == 0 && !_playback.isPlaying) {
+            _playback.mobileAudioService?.session?.setActive(false);
+          }
           notifyListeners();
         }
       });
     });
   }
-  }
 
   cancelAll() {
     grabberQueue.cancel();
     grabberQueue = Queue();
     inQueue.clear();
     currentlyRunning = 0;
-    if (kIsMobile) {
-      FlutterDownloader.cancelAll();
-    } else {
     _queue.cancel();
     queueInstance = Queue();
     _queue = queueInstance;
-    }
     notifyListeners();
   }
 }

pubspec.lock

@@ -552,13 +552,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.9"
-  flutter_downloader:
-    dependency: "direct main"
-    description:
-      name: flutter_downloader
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.8.1"
   flutter_hooks:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -68,7 +68,6 @@ dependencies:
   file_picker: ^4.6.1
   popover: ^0.2.6+3
   queue: ^3.1.0+1
-  flutter_downloader: ^1.8.1
   auto_size_text: ^3.0.0
   badges: ^2.0.3