Playlist Bloc Implementation

Author: rohit5krish

lib/application/playlist/playlist_bloc.dart

@@ -0,0 +1,41 @@
+import 'dart:developer';
+
+import 'package:bloc/bloc.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:injectable/injectable.dart';
+import 'package:music_player/domain/playlist/playlist_service.dart';
+import 'package:music_player/presentation/playlist/playlist.dart';
+import 'package:music_player/splash.dart';
+
+part 'playlist_event.dart';
+part 'playlist_state.dart';
+part 'playlist_bloc.freezed.dart';
+
+@injectable
+class PlaylistBloc extends Bloc<PlaylistEvent, PlaylistState> {
+  final PlaylistService _playlistService;
+  PlaylistBloc(this._playlistService) : super(PlaylistState.initial()) {
+    on<CreatePlylistNames>((event, emit) async {
+      final updatedPlaylist = await _playlistService.createPlaylistNames(
+          plylstName: event.plylistName);
+      log('Bloc finished');
+      emit(state.copyWith(playlistNames: updatedPlaylist));
+    });
+
+    on<MultiSelection>((event, emit) {
+      List<String> _selectedPlylst = [];
+      _selectedPlylst.addAll(state.selectedList);
+      if (state.selectedList.contains(event.selectedPlaylist)) {
+        _selectedPlylst.remove(event.selectedPlaylist);
+      } else {
+        _selectedPlylst.add(event.selectedPlaylist);
+      }
+      emit(state.copyWith(selectedList: _selectedPlylst));
+    });
+
+    on<UnselectAll>((event, emit) {
+      List<String> _emptyList = [];
+      emit(state.copyWith(selectedList: _emptyList));
+    });
+  }
+}