feat(playlists): add Playlisten-Tab mit Favoriten-Kurzeinstieg und Erstellen-Dialog
- PlaylistsScreen: Favoriten-ListTile oben (watchFavorites, pusht FavoritesListScreen), darunter alle Playlisten (watchPlaylists) mit Songanzahl, Löschen via Icon/Long-Press + Bestätigungsdialog - CreatePlaylistDialog: Name-Eingabe, Erstellen-Button erst aktiv bei nicht-leerem Text, gibt die neue Playlist-ID zurück - Leer-Zustand "Noch keine Playlisten" nach Vorbild von library_screen.dart - main.dart: Playlisten-Platzhalter durch PlaylistsScreen ersetzt Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
This commit is contained in:
Hermes (Server)
co-authored by
Claude Haiku 4.5
Claude Haiku 4.5
parent
492d3f19f9
commit
b2ac118b42
@@ -0,0 +1,55 @@
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../library/playlist_service.dart';
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/// Dialog zum Anlegen einer neuen Playlist. Gibt bei Erfolg die neue
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/// Playlist-ID zurück (z.B. um direkt danach einen Song hinzuzufügen).
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class CreatePlaylistDialog extends StatefulWidget {
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const CreatePlaylistDialog({super.key});
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@override
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State<CreatePlaylistDialog> createState() => _CreatePlaylistDialogState();
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}
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class _CreatePlaylistDialogState extends State<CreatePlaylistDialog> {
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final _controller = TextEditingController();
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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Future<void> _create() async {
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final name = _controller.text.trim();
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if (name.isEmpty) return;
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final id = await context.read<PlaylistService>().createPlaylist(name);
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if (mounted) Navigator.pop(context, id);
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}
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@override
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Widget build(BuildContext context) {
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final canCreate = _controller.text.trim().isNotEmpty;
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return AlertDialog(
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title: const Text('Neue Playlist'),
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content: TextField(
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controller: _controller,
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autofocus: true,
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decoration: const InputDecoration(hintText: 'Name der Playlist'),
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onChanged: (_) => setState(() {}),
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onSubmitted: (_) => canCreate ? _create() : null,
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('Abbrechen'),
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),
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TextButton(
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onPressed: canCreate ? _create : null,
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child: const Text('Erstellen'),
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),
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],
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);
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}
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}
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@@ -0,0 +1,171 @@
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../library/database.dart';
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import '../library/playlist_service.dart';
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import '../library/song_list.dart';
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import '../shared/theme.dart';
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import 'create_playlist_dialog.dart';
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import 'playlist_detail_screen.dart';
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/// Playlisten-Tab: Favoriten-Kurzeinstieg oben, darunter alle eigenen Playlisten.
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class PlaylistsScreen extends StatelessWidget {
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const PlaylistsScreen({super.key});
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@override
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Widget build(BuildContext context) {
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final db = context.read<MeloDb>();
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return Scaffold(
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appBar: AppBar(title: const Text('Playlisten')),
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body: Column(
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children: [
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StreamBuilder<List<Song>>(
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stream: db.watchFavorites(),
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builder: (context, snapshot) {
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final count = snapshot.data?.length ?? 0;
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return ListTile(
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leading: const Icon(Icons.favorite, color: MeloTheme.red),
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title: const Text('Favoriten'),
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subtitle: Text('$count Songs'),
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(builder: (_) => const FavoritesListScreen()),
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),
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);
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},
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),
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const Divider(height: 1),
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Expanded(
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child: StreamBuilder<List<Playlist>>(
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stream: db.watchPlaylists(),
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builder: (context, snapshot) {
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if (snapshot.hasError) {
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return Center(
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child: Text('Fehler: ${snapshot.error}',
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style: const TextStyle(color: Colors.white54)),
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);
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}
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final playlists = snapshot.data ?? const [];
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if (playlists.isEmpty) {
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return const _Empty();
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}
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return ListView.builder(
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itemCount: playlists.length,
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itemBuilder: (context, i) => _PlaylistTile(playlist: playlists[i]),
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);
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},
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),
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),
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],
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),
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floatingActionButton: FloatingActionButton(
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tooltip: 'Neue Playlist',
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onPressed: () => showDialog<String?>(
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context: context,
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builder: (_) => const CreatePlaylistDialog(),
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),
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child: const Icon(Icons.add),
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),
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);
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}
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}
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class _PlaylistTile extends StatelessWidget {
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const _PlaylistTile({required this.playlist});
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final Playlist playlist;
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Future<void> _confirmDelete(BuildContext context) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('Playlist löschen?'),
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content: Text('„${playlist.name}“ wird dauerhaft gelöscht.'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: const Text('Abbrechen'),
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),
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TextButton(
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onPressed: () => Navigator.pop(ctx, true),
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child: const Text('Löschen'),
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),
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],
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),
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);
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if (confirmed == true && context.mounted) {
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await context.read<PlaylistService>().deletePlaylist(playlist.id);
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}
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}
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@override
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Widget build(BuildContext context) {
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final db = context.read<MeloDb>();
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return StreamBuilder<List<Song>>(
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stream: db.watchPlaylistSongs(playlist.id),
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builder: (context, snapshot) {
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final count = snapshot.data?.length ?? 0;
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return ListTile(
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leading: const Icon(Icons.playlist_play),
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title: Text(playlist.name),
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subtitle: Text('$count Songs'),
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trailing: IconButton(
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tooltip: 'Playlist löschen',
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icon: const Icon(Icons.delete_outline),
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onPressed: () => _confirmDelete(context),
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),
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onLongPress: () => _confirmDelete(context),
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(builder: (_) => PlaylistDetailScreen(playlist: playlist)),
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),
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);
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},
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);
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}
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}
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class _Empty extends StatelessWidget {
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const _Empty();
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@override
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Widget build(BuildContext context) {
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return const Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(Icons.playlist_play, size: 64, color: Colors.white24),
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SizedBox(height: 12),
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Text('Noch keine Playlisten', style: TextStyle(color: Colors.white54)),
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SizedBox(height: 8),
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Text('Tippe auf + um eine Playlist zu erstellen',
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style: TextStyle(color: Colors.white38, fontSize: 12)),
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],
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),
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);
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}
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}
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/// Gepushte Ansicht der favorisierten Songs.
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class FavoritesListScreen extends StatelessWidget {
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const FavoritesListScreen({super.key});
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@override
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Widget build(BuildContext context) {
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final db = context.read<MeloDb>();
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return Scaffold(
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appBar: AppBar(title: const Text('Favoriten')),
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body: StreamBuilder<List<Song>>(
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stream: db.watchFavorites(),
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builder: (context, snapshot) {
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final songs = snapshot.data ?? const [];
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if (songs.isEmpty) {
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return const Center(
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child: Text('Noch keine Favoriten', style: TextStyle(color: Colors.white54)),
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);
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}
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return SongList(songs);
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},
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),
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);
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}
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}
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