✨ lrc fetcher

lib/providers/lrc_fetcher_provider.dart

@@ -0,0 +1,96 @@
+import 'package:groovybox/data/db.dart' as db;
+import 'package:drift/drift.dart' as drift;
+import 'package:groovybox/logic/lrc_providers.dart';
+import 'package:groovybox/logic/lyrics_parser.dart';
+import 'package:groovybox/providers/db_provider.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'lrc_fetcher_provider.g.dart';
+
+@riverpod
+class LyricsFetcher extends _$LyricsFetcher {
+  @override
+  LyricsFetcherState build() {
+    return LyricsFetcherState();
+  }
+
+  Future<void> fetchLyricsForTrack({
+    required int trackId,
+    required String searchTerm,
+    required LRCProvider provider,
+    required String trackPath,
+  }) async {
+    state = state.copyWith(isLoading: true, error: null);
+
+    try {
+      final lyrics = await provider.getLrc(searchTerm);
+      if (lyrics == null) {
+        state = state.copyWith(
+          isLoading: false,
+          error: 'No lyrics found from ${provider.name}',
+        );
+        return;
+      }
+
+      // Parse the lyrics into LyricsData format
+      String? lyricsJson;
+      if (lyrics.synced != null) {
+        // It's LRC format
+        final lyricsData = LyricsParser.parseLrc(lyrics.synced!);
+        lyricsJson = lyricsData.toJsonString();
+      } else if (lyrics.plain != null) {
+        // Plain text
+        final lyricsData = LyricsParser.parsePlaintext(lyrics.plain!);
+        lyricsJson = lyricsData.toJsonString();
+      }
+
+      if (lyricsJson != null) {
+        // Update the track in the database
+        final database = ref.read(databaseProvider);
+        await (database.update(database.tracks)
+              ..where((t) => t.id.equals(trackId)))
+            .write(db.TracksCompanion(lyrics: drift.Value(lyricsJson)));
+
+        state = state.copyWith(
+          isLoading: false,
+          successMessage: 'Lyrics fetched from ${provider.name}',
+        );
+      } else {
+        state = state.copyWith(
+          isLoading: false,
+          error: 'Failed to parse lyrics',
+        );
+      }
+    } catch (e) {
+      state = state.copyWith(
+        isLoading: false,
+        error: 'Error fetching lyrics: $e',
+      );
+    }
+  }
+}
+
+class LyricsFetcherState {
+  final bool isLoading;
+  final String? error;
+  final String? successMessage;
+
+  LyricsFetcherState({this.isLoading = false, this.error, this.successMessage});
+
+  LyricsFetcherState copyWith({
+    bool? isLoading,
+    String? error,
+    String? successMessage,
+  }) {
+    return LyricsFetcherState(
+      isLoading: isLoading ?? this.isLoading,
+      error: error ?? this.error,
+      successMessage: successMessage ?? this.successMessage,
+    );
+  }
+}
+
+// Providers for each LRC provider
+final musixmatchProvider = Provider((ref) => MusixmatchProvider());
+final neteaseProvider = Provider((ref) => NetEaseProvider());

lib/providers/lrc_fetcher_provider.g.dart

@@ -0,0 +1,63 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'lrc_fetcher_provider.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(LyricsFetcher)
+const lyricsFetcherProvider = LyricsFetcherProvider._();
+
+final class LyricsFetcherProvider
+    extends $NotifierProvider<LyricsFetcher, LyricsFetcherState> {
+  const LyricsFetcherProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'lyricsFetcherProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$lyricsFetcherHash();
+
+  @$internal
+  @override
+  LyricsFetcher create() => LyricsFetcher();
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(LyricsFetcherState value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<LyricsFetcherState>(value),
+    );
+  }
+}
+
+String _$lyricsFetcherHash() => r'49468a75e00ab1533368acb52328b059831836d3';
+
+abstract class _$LyricsFetcher extends $Notifier<LyricsFetcherState> {
+  LyricsFetcherState build();
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final created = build();
+    final ref = this.ref as $Ref<LyricsFetcherState, LyricsFetcherState>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<LyricsFetcherState, LyricsFetcherState>,
+              LyricsFetcherState,
+              Object?,
+              Object?
+            >;
+    element.handleValue(ref, created);
+  }
+}