feat(flutter/track-actions): AddToPlaylistSheet picker

Modal bottom sheet listing the caller's user-created playlists (system
playlists like For-You are filtered out — they're not user-mutable).
Tap a row to pop with the playlist id; consumer (TrackActionsSheet)
then calls PlaylistsApi.appendTracks.

Empty-state copy: "You haven't created any playlists yet."

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-05-09 13:42:19 -04:00
parent 2944288050
commit 36006d703d
2 changed files with 208 additions and 0 deletions
@@ -0,0 +1,94 @@
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../../playlists/playlists_provider.dart';
import '../../../theme/theme_extension.dart';
/// Modal bottom sheet listing the caller's user-created playlists.
/// Returns the picked playlistId via Navigator.pop, or null on cancel.
class AddToPlaylistSheet extends ConsumerWidget {
const AddToPlaylistSheet({super.key});
static Future<String?> show(BuildContext context) {
return showModalBottomSheet<String>(
context: context,
isScrollControlled: true,
builder: (_) => const AddToPlaylistSheet(),
);
}
@override
Widget build(BuildContext context, WidgetRef ref) {
final fs = Theme.of(context).extension<FabledSwordTheme>()!;
final lists = ref.watch(playlistsListProvider('user'));
return SafeArea(
child: Container(
color: fs.iron,
padding: const EdgeInsets.symmetric(vertical: 8),
constraints: BoxConstraints(
maxHeight: MediaQuery.of(context).size.height * 0.6,
),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.fromLTRB(20, 8, 20, 8),
child: Text(
'Add to playlist',
style: TextStyle(
color: fs.parchment,
fontFamily: 'Fraunces',
fontSize: 20,
),
),
),
Flexible(
child: lists.when(
loading: () => const Center(child: CircularProgressIndicator()),
error: (e, _) => Padding(
padding: const EdgeInsets.all(16),
child: Text('$e', style: TextStyle(color: fs.error)),
),
data: (data) {
final owned = data.owned
.where((p) => p.systemVariant == null)
.toList();
if (owned.isEmpty) {
return Padding(
padding: const EdgeInsets.all(20),
child: Text(
"You haven't created any playlists yet.",
style: TextStyle(color: fs.ash),
),
);
}
return ListView.builder(
shrinkWrap: true,
itemCount: owned.length,
itemBuilder: (_, i) {
final p = owned[i];
return ListTile(
key: Key('add_to_playlist_${p.id}'),
leading: Icon(Icons.queue_music, color: fs.parchment),
title: Text(
p.name,
style: TextStyle(color: fs.parchment),
),
subtitle: Text(
'${p.trackCount} ${p.trackCount == 1 ? "track" : "tracks"}',
style: TextStyle(color: fs.ash, fontSize: 12),
),
onTap: () => Navigator.pop(context, p.id),
);
},
);
},
),
),
],
),
),
);
}
}
@@ -0,0 +1,114 @@
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:minstrel/api/endpoints/playlists.dart';
import 'package:minstrel/models/playlist.dart';
import 'package:minstrel/playlists/playlists_provider.dart';
import 'package:minstrel/shared/widgets/track_actions/add_to_playlist_sheet.dart';
import 'package:minstrel/theme/theme_data.dart';
const _userPlaylist = Playlist(
id: 'p1',
userId: 'u1',
name: 'Road trip',
description: '',
isPublic: false,
systemVariant: null,
trackCount: 12,
coverUrl: '',
ownerUsername: 'alice',
createdAt: '2026-05-01T00:00:00Z',
updatedAt: '2026-05-01T00:00:00Z',
);
const _systemPlaylist = Playlist(
id: 'p2',
userId: 'u1',
name: 'For You',
description: '',
isPublic: false,
systemVariant: 'for_you',
trackCount: 75,
coverUrl: '',
ownerUsername: 'alice',
createdAt: '2026-05-01T00:00:00Z',
updatedAt: '2026-05-01T00:00:00Z',
);
Widget _harness(PlaylistsList lists) {
return ProviderScope(
overrides: [
playlistsListProvider('user').overrideWith((ref) async => lists),
],
child: MaterialApp(
theme: buildThemeData(),
home: Builder(builder: (ctx) {
return Scaffold(
body: Center(
child: ElevatedButton(
onPressed: () => AddToPlaylistSheet.show(ctx),
child: const Text('open'),
),
),
);
}),
),
);
}
void main() {
testWidgets('renders user playlists, hides system ones', (t) async {
await t.pumpWidget(_harness(
const PlaylistsList(owned: [_userPlaylist, _systemPlaylist], public: []),
));
await t.tap(find.text('open'));
await t.pumpAndSettle();
expect(find.text('Road trip'), findsOneWidget);
expect(find.text('For You'), findsNothing);
});
testWidgets('empty state when no user playlists', (t) async {
await t.pumpWidget(_harness(
const PlaylistsList(owned: [_systemPlaylist], public: []),
));
await t.tap(find.text('open'));
await t.pumpAndSettle();
expect(
find.text("You haven't created any playlists yet."),
findsOneWidget,
);
});
testWidgets('tapping a row pops with playlist id', (t) async {
String? picked;
await t.pumpWidget(ProviderScope(
overrides: [
playlistsListProvider('user').overrideWith(
(ref) async =>
const PlaylistsList(owned: [_userPlaylist], public: []),
),
],
child: MaterialApp(
theme: buildThemeData(),
home: Builder(builder: (ctx) {
return Scaffold(
body: Center(
child: ElevatedButton(
onPressed: () async {
picked = await AddToPlaylistSheet.show(ctx);
},
child: const Text('open'),
),
),
);
}),
),
));
await t.tap(find.text('open'));
await t.pumpAndSettle();
await t.tap(find.byKey(const Key('add_to_playlist_p1')));
await t.pumpAndSettle();
expect(picked, 'p1');
});
}