player seek and chapter change

lib/features/player/providers/currently_playing_provider.dart

@@ -9,3 +9,30 @@ BookExpanded? currentlyPlayingBook(CurrentlyPlayingBookRef ref) {
   final player = ref.watch(audiobookPlayerProvider);
   return player.book;
 }
+
+/// provided the current chapter of the book being played
+@riverpod
+BookChapter? currentPlayingChapter(CurrentPlayingChapterRef ref) {
+  final player = ref.watch(audiobookPlayerProvider);
+  // get the current timestamp
+  final currentTimestamp = player.position;
+  // get the chapter that contains the current timestamp
+  return player.book?.chapters.firstWhere(
+    (element) =>
+        element.start <= currentTimestamp && element.end >= currentTimestamp,
+  );
+}
+
+/// provides the book metadata of the currently playing book
+@riverpod
+BookMetadataExpanded? currentBookMetadata(CurrentBookMetadataRef ref) {
+  final player = ref.watch(audiobookPlayerProvider);
+  if (player.book == null) return null;
+  return BookMetadataExpanded.fromJson(player.book!.metadata.toJson());
+}
+
+// /// volume of the player [0, 1]
+// @riverpod
+// double currentVolume(CurrentVolumeRef ref) {
+//   return 1;
+// }

lib/features/player/providers/currently_playing_provider.g.dart

@@ -23,5 +23,43 @@ final currentlyPlayingBookProvider =
 );
 
 typedef CurrentlyPlayingBookRef = AutoDisposeProviderRef<BookExpanded?>;
+String _$currentPlayingChapterHash() =>
+    r'562416b7e0068aaba9138cb8e0ed7a5ddba8e6c6';
+
+/// provided the current chapter of the book being played
+///
+/// Copied from [currentPlayingChapter].
+@ProviderFor(currentPlayingChapter)
+final currentPlayingChapterProvider =
+    AutoDisposeProvider<BookChapter?>.internal(
+  currentPlayingChapter,
+  name: r'currentPlayingChapterProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$currentPlayingChapterHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef CurrentPlayingChapterRef = AutoDisposeProviderRef<BookChapter?>;
+String _$currentBookMetadataHash() =>
+    r'02b462a051fce5bcbdad6fdb708b60256fbb588c';
+
+/// provides the book metadata of the currently playing book
+///
+/// Copied from [currentBookMetadata].
+@ProviderFor(currentBookMetadata)
+final currentBookMetadataProvider =
+    AutoDisposeProvider<BookMetadataExpanded?>.internal(
+  currentBookMetadata,
+  name: r'currentBookMetadataProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$currentBookMetadataHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef CurrentBookMetadataRef = AutoDisposeProviderRef<BookMetadataExpanded?>;
 // ignore_for_file: type=lint
 // ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member

lib/features/player/providers/player_form.dart

@@ -10,7 +10,7 @@ import 'package:riverpod_annotation/riverpod_annotation.dart';
 part 'player_form.g.dart';
 
 const double playerMinHeight = 70;
-const miniplayerPercentageDeclaration = 0.2;
+// const miniplayerPercentageDeclaration = 0.2;
 
 extension on Ref {
   // We can move the previous logic to a Ref extension.