- Library screen now has a TabBar (Alle / Künstler / Alben) inside a
DefaultTabController; scan/permission/error banners stay above the
TabBarView so they remain visible regardless of the active sub-tab
- New lib/library/song_grouping.dart: pure, unit-tested functions
groupByArtist/groupByAlbum (null artist/album -> "Unbekannt" /
"Unbekanntes Album", alphabetically sorted) plus albumArtistLabel
("Verschiedene Interpreten" when an album mixes artists)
- New lib/library/artist_list.dart + album_list.dart: StreamBuilder on
MeloDb.watchSongs(), grouped client-side, tapping a row pushes a
SongList screen for that artist/album; album rows show a CoverImage
thumbnail from the first song's coverPath
- Existing "Alle" tab content (recently-added strip, full song list,
empty state) preserved unchanged, moved into _AllSongsTab
Genre browsing is intentionally out of scope: the Songs table has no
genre column and neither scanner extracts genre metadata — needs a
schema migration + scanner work in a future task.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
70 lines
2.1 KiB
Dart
70 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../shared/cover.dart';
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import 'database.dart';
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import 'song_grouping.dart';
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import 'song_list.dart';
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/// Bibliotheks-Tab: Album-Übersicht, gruppiert aus [MeloDb.watchSongs].
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class AlbumListScreen extends StatelessWidget {
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const AlbumListScreen({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 StreamBuilder<List<Song>>(
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stream: db.watchSongs(),
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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('Keine Alben', style: TextStyle(color: Colors.white54)),
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);
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}
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final grouped = groupByAlbum(songs);
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final albums = grouped.keys.toList();
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return ListView.builder(
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itemCount: albums.length,
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itemBuilder: (context, i) {
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final album = albums[i];
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final albumSongs = grouped[album]!;
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final coverPath = albumSongs.first.coverPath;
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return ListTile(
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leading: CoverImage(
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artUri: coverPath != null ? Uri.file(coverPath) : null,
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size: 48,
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radius: 6,
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),
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title: Text(album, maxLines: 1, overflow: TextOverflow.ellipsis),
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subtitle: Text('${albumArtistLabel(albumSongs)} · ${albumSongs.length} Songs',
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maxLines: 1, overflow: TextOverflow.ellipsis),
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => _AlbumSongsScreen(album: album, songs: albumSongs),
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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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);
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}
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}
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/// Zeigt alle Songs eines Albums.
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class _AlbumSongsScreen extends StatelessWidget {
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const _AlbumSongsScreen({required this.album, required this.songs});
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final String album;
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final List<Song> songs;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: Text(album)),
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body: SongList(songs),
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);
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}
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}
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