fix web and podcast crash

Author: Vito0912

lib/api/library_items/audio_file.dart

@@ -9,7 +9,7 @@ part 'audio_file.g.dart';
 @freezed
 class AudioFile with _$AudioFile {
   const factory AudioFile({
-    @JsonKey(name: "index") required int index,
+    @JsonKey(name: "index") int? index,
     @JsonKey(name: "ino") required String ino,
     @JsonKey(name: "metadata") required LibraryFileMetadata metadata,
     @JsonKey(name: "addedAt") required int addedAt,

lib/api/library_items/audio_file.freezed.dart

@@ -9,7 +9,7 @@ class AudioTrack with _$AudioTrack {
   const AudioTrack._();
 
   const factory AudioTrack({
-    @JsonKey(name: "index") required int index,
+    @JsonKey(name: "index") int? index,
     @JsonKey(name: "startOffset") required double startOffset,
     @JsonKey(name: "duration") required double duration,
     @JsonKey(name: "title") required String title,

lib/api/library_items/audio_file.g.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
+import 'dart:math' as math;
 
 import 'package:abs_flutter/api/library_items/audio_file.dart';
 import 'package:abs_flutter/api/library_items/episode.dart';
@@ -215,16 +216,18 @@ class DownloadProvider extends ChangeNotifier {
 
     final List<AudioFile> audioFiles = item.media!.bookMedia!.audioFiles!;
     final List<DownloadFile> files = [];
+    int fallbackIndex = 1;
     for (AudioFile file in audioFiles) {
       files.add(DownloadFile(
-        index: file.index,
+        index: file.index ?? fallbackIndex,
         ino: file.ino,
         filename: file.metadata.filename,
         size: file.metadata.size,
         status: TaskStatus.enqueued,
         duration: file.duration,
         format: file.metadata.ext,
       ));
+      fallbackIndex++;
     }
 
     final downloadInfo = DownloadInfo(
@@ -324,8 +327,9 @@ class DownloadProvider extends ChangeNotifier {
           .firstWhere((library) => library.id == libraryItem.libraryId)
           .name!,
       files: [
+        // TODO: ABS does not assigns a index to uploaded podcast episodes. Random
         DownloadFile(
-          index: item.audioFile!.index,
+          index: item.audioFile!.index ?? math.Random().nextInt(10000),
           filename: item.audioFile!.metadata.filename,
           size: item.audioFile!.metadata.size,
           status: TaskStatus.enqueued,

lib/api/library_items/audio_track.dart

@@ -801,10 +801,10 @@ packages:
     dependency: "direct main"
     description:
       name: just_audio
-      sha256: f978d5b4ccea08f267dae0232ec5405c1b05d3f3cd63f82097ea46c015d5c09e
+      sha256: "50ed9f0ba88012eabdef7519ba6040bdbcf6c6667ebd77736fb25c196c98c0f3"
       url: "https://pub.dev"
     source: hosted
-    version: "0.9.46"
+    version: "0.9.44"
   just_audio_media_kit:
     dependency: "direct main"
     description:
@@ -817,18 +817,18 @@ packages:
     dependency: transitive
     description:
       name: just_audio_platform_interface
-      sha256: "271b93b484c6f494ecd72a107fffbdb26b425f170c665b9777a0a24a726f2f24"
+      sha256: "4cd94536af0219fa306205a58e78d67e02b0555283c1c094ee41e402a14a5c4a"
       url: "https://pub.dev"
     source: hosted
-    version: "4.4.0"
+    version: "4.5.0"
   just_audio_web:
-    dependency: transitive
+    dependency: "direct dev"
     description:
       name: just_audio_web
-      sha256: "58915be64509a7683c44bf11cd1a23c15a48de104927bee116e3c63c8eeea0d4"
+      sha256: "9a98035b8b24b40749507687520ec5ab404e291d2b0937823ff45d92cb18d448"
       url: "https://pub.dev"
     source: hosted
-    version: "0.4.14"
+    version: "0.4.13"
   just_audio_windows:
     dependency: "direct main"
     description:

lib/api/library_items/audio_track.freezed.dart

@@ -30,7 +30,7 @@ dependencies:
   cached_network_image: ^3.3.1
   flutter_staggered_grid_view: ^0.7.0
   connectivity_plus: ^6.0.3
-  just_audio: ^0.9.46
+  just_audio: 0.9.44 #  The method 'setSinkId' isn't defined for the class 'HTMLAudioElement'. for 0.9.45+
   audio_service: ^0.18.15
   package_info_plus: ^8.0.1
   just_audio_windows: ^0.2.2
@@ -85,6 +85,7 @@ dev_dependencies:
   msix: ^3.16.7
   icons_launcher: ^3.0.0
   intl_utils: ^2.8.10
+  just_audio_web: 0.4.13
 
 dependency_overrides:
   meta: ^1.14.0