SpotiFLAC-Mobile/lib/screens/library_playlists_screen.dart
2026-05-03 01:25:26 +07:00

546 lines
18 KiB
Dart

import 'dart:io';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:spotiflac_android/l10n/l10n.dart';
import 'package:spotiflac_android/providers/library_collections_provider.dart';
import 'package:spotiflac_android/screens/library_tracks_folder_screen.dart';
import 'package:spotiflac_android/services/cover_cache_manager.dart';
import 'package:spotiflac_android/widgets/bottom_sheet_option_tile.dart';
import 'package:spotiflac_android/utils/app_bar_layout.dart';
class LibraryPlaylistsScreen extends ConsumerWidget {
const LibraryPlaylistsScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final playlists = ref.watch(
libraryCollectionsProvider.select((state) => state.playlists),
);
final colorScheme = Theme.of(context).colorScheme;
final topPadding = normalizedHeaderTopPadding(context);
return Scaffold(
body: CustomScrollView(
slivers: [
SliverAppBar(
expandedHeight: 120 + topPadding,
collapsedHeight: kToolbarHeight,
floating: false,
pinned: true,
backgroundColor: colorScheme.surface,
surfaceTintColor: Colors.transparent,
leading: IconButton(
tooltip: MaterialLocalizations.of(context).backButtonTooltip,
icon: const Icon(Icons.arrow_back),
onPressed: () => Navigator.pop(context),
),
flexibleSpace: LayoutBuilder(
builder: (context, constraints) {
final maxHeight = 120 + topPadding;
final minHeight = kToolbarHeight + topPadding;
final expandRatio =
((constraints.maxHeight - minHeight) /
(maxHeight - minHeight))
.clamp(0.0, 1.0);
final leftPadding = 56 - (32 * expandRatio);
return FlexibleSpaceBar(
expandedTitleScale: 1.0,
titlePadding: EdgeInsets.only(left: leftPadding, bottom: 16),
title: Text(
context.l10n.collectionPlaylists,
style: TextStyle(
fontSize: 20 + (8 * expandRatio),
fontWeight: FontWeight.bold,
color: colorScheme.onSurface,
),
),
);
},
),
),
if (playlists.isEmpty)
SliverFillRemaining(
hasScrollBody: false,
child: Center(
child: Padding(
padding: const EdgeInsets.all(24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.playlist_play,
size: 60,
color: colorScheme.onSurfaceVariant,
),
const SizedBox(height: 12),
Text(
context.l10n.collectionNoPlaylistsYet,
style: Theme.of(context).textTheme.titleMedium,
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
Text(
context.l10n.collectionNoPlaylistsSubtitle,
textAlign: TextAlign.center,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
],
),
),
),
)
else
SliverList(
delegate: SliverChildBuilderDelegate((context, index) {
// Even indices = playlist tiles, odd indices = dividers
if (index.isOdd) {
return const Divider(height: 1);
}
final playlistIndex = index ~/ 2;
final playlist = playlists[playlistIndex];
return ListTile(
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 2,
),
leading: _buildPlaylistThumbnail(context, playlist),
title: Text(playlist.name),
subtitle: Text(
context.l10n.collectionPlaylistTracks(
playlist.tracks.length,
),
),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute<void>(
builder: (_) => LibraryTracksFolderScreen(
mode: LibraryTracksFolderMode.playlist,
playlistId: playlist.id,
),
),
);
},
onLongPress: () =>
_showPlaylistOptionsSheet(context, ref, playlist),
);
}, childCount: playlists.length * 2 - 1),
),
],
),
floatingActionButton: FloatingActionButton.extended(
onPressed: () => _showCreatePlaylistDialog(context, ref),
icon: const Icon(Icons.add),
label: Text(context.l10n.collectionCreatePlaylist),
),
);
}
void _showPlaylistOptionsSheet(
BuildContext context,
WidgetRef ref,
UserPlaylistCollection playlist,
) {
final colorScheme = Theme.of(context).colorScheme;
showModalBottomSheet<void>(
context: context,
useRootNavigator: true,
backgroundColor: colorScheme.surfaceContainerHigh,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(28)),
),
builder: (sheetContext) => SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Column(
children: [
const SizedBox(height: 8),
Container(
width: 40,
height: 4,
decoration: BoxDecoration(
color: colorScheme.onSurfaceVariant.withValues(alpha: 0.4),
borderRadius: BorderRadius.circular(2),
),
),
Padding(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 12),
child: Row(
children: [
_buildPlaylistThumbnail(context, playlist),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
playlist.name,
style: Theme.of(context).textTheme.titleMedium
?.copyWith(fontWeight: FontWeight.w600),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 2),
Text(
context.l10n.collectionPlaylistTracks(
playlist.tracks.length,
),
style: Theme.of(context).textTheme.bodyMedium
?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
],
),
),
],
),
),
],
),
Divider(
height: 1,
color: colorScheme.outlineVariant.withValues(alpha: 0.5),
),
BottomSheetOptionTile(
icon: Icons.edit_outlined,
title: context.l10n.collectionRenamePlaylist,
onTap: () {
Navigator.pop(sheetContext);
_showRenamePlaylistDialog(
context,
ref,
playlist.id,
playlist.name,
);
},
),
BottomSheetOptionTile(
icon: Icons.image_outlined,
title: context.l10n.collectionPlaylistChangeCover,
onTap: () {
Navigator.pop(sheetContext);
_pickCoverImage(context, ref, playlist.id);
},
),
BottomSheetOptionTile(
icon: Icons.delete_outline,
iconColor: colorScheme.error,
title: context.l10n.collectionDeletePlaylist,
onTap: () {
Navigator.pop(sheetContext);
_confirmDeletePlaylist(
context,
ref,
playlist.id,
playlist.name,
);
},
),
const SizedBox(height: 16),
],
),
),
);
}
Widget _buildPlaylistThumbnail(
BuildContext context,
UserPlaylistCollection playlist,
) {
final colorScheme = Theme.of(context).colorScheme;
const double size = 48;
final borderRadius = BorderRadius.circular(8);
final dpr = MediaQuery.devicePixelRatioOf(context);
final cacheWidth = (size * dpr).round().clamp(64, 512);
final placeholder = _playlistIconFallback(colorScheme, size);
// Priority: custom cover > first track cover URL > icon fallback
final customCoverPath = playlist.coverImagePath;
if (customCoverPath != null && customCoverPath.isNotEmpty) {
return ClipRRect(
borderRadius: borderRadius,
child: Image.file(
File(customCoverPath),
width: size,
height: size,
fit: BoxFit.cover,
cacheWidth: cacheWidth,
gaplessPlayback: true,
filterQuality: FilterQuality.low,
frameBuilder: (_, child, frame, wasSynchronouslyLoaded) {
if (wasSynchronouslyLoaded || frame != null) return child;
return placeholder;
},
errorBuilder: (_, _, _) => placeholder,
),
);
}
String? firstCoverUrl;
for (final entry in playlist.tracks) {
final coverUrl = entry.track.coverUrl;
if (coverUrl != null && coverUrl.isNotEmpty) {
firstCoverUrl = coverUrl;
break;
}
}
if (firstCoverUrl != null) {
final isLocalPath =
!firstCoverUrl.startsWith('http://') &&
!firstCoverUrl.startsWith('https://');
if (isLocalPath) {
return ClipRRect(
borderRadius: borderRadius,
child: Image.file(
File(firstCoverUrl),
width: size,
height: size,
fit: BoxFit.cover,
cacheWidth: cacheWidth,
gaplessPlayback: true,
filterQuality: FilterQuality.low,
frameBuilder: (_, child, frame, wasSynchronouslyLoaded) {
if (wasSynchronouslyLoaded || frame != null) return child;
return placeholder;
},
errorBuilder: (_, _, _) => placeholder,
),
);
}
return ClipRRect(
borderRadius: borderRadius,
child: CachedNetworkImage(
imageUrl: firstCoverUrl,
width: size,
height: size,
fit: BoxFit.cover,
memCacheWidth: cacheWidth,
cacheManager: CoverCacheManager.instance,
placeholder: (_, _) => placeholder,
errorWidget: (_, _, _) => placeholder,
),
);
}
return placeholder;
}
Widget _playlistIconFallback(ColorScheme colorScheme, double size) {
return Container(
width: size,
height: size,
decoration: BoxDecoration(
color: colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(8),
),
child: Icon(Icons.queue_music, color: colorScheme.onSurfaceVariant),
);
}
Future<void> _pickCoverImage(
BuildContext context,
WidgetRef ref,
String playlistId,
) async {
final result = await FilePicker.pickFiles(
type: FileType.image,
allowMultiple: false,
);
if (result == null || result.files.isEmpty) return;
final path = result.files.first.path;
if (path == null || path.isEmpty) return;
await ref
.read(libraryCollectionsProvider.notifier)
.setPlaylistCover(playlistId, path);
}
Future<void> _showCreatePlaylistDialog(
BuildContext context,
WidgetRef ref,
) async {
final controller = TextEditingController();
final formKey = GlobalKey<FormState>();
final playlistName = await showDialog<String>(
context: context,
builder: (dialogContext) {
return AlertDialog(
title: Text(dialogContext.l10n.collectionCreatePlaylist),
content: Form(
key: formKey,
child: TextFormField(
controller: controller,
autofocus: true,
decoration: InputDecoration(
hintText: dialogContext.l10n.collectionPlaylistNameHint,
),
validator: (value) {
final trimmed = value?.trim() ?? '';
if (trimmed.isEmpty) {
return dialogContext.l10n.collectionPlaylistNameRequired;
}
return null;
},
onFieldSubmitted: (_) {
if (formKey.currentState?.validate() != true) return;
Navigator.of(dialogContext).pop(controller.text.trim());
},
),
),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(),
child: Text(dialogContext.l10n.dialogCancel),
),
FilledButton(
onPressed: () {
if (formKey.currentState?.validate() != true) return;
Navigator.of(dialogContext).pop(controller.text.trim());
},
child: Text(dialogContext.l10n.actionCreate),
),
],
);
},
);
if (playlistName == null ||
playlistName.trim().isEmpty ||
!context.mounted) {
return;
}
await ref
.read(libraryCollectionsProvider.notifier)
.createPlaylist(playlistName.trim());
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(context.l10n.collectionPlaylistCreated)),
);
}
Future<void> _showRenamePlaylistDialog(
BuildContext context,
WidgetRef ref,
String playlistId,
String currentName,
) async {
final controller = TextEditingController(text: currentName);
final formKey = GlobalKey<FormState>();
final nextName = await showDialog<String>(
context: context,
builder: (dialogContext) {
return AlertDialog(
title: Text(dialogContext.l10n.collectionRenamePlaylist),
content: Form(
key: formKey,
child: TextFormField(
controller: controller,
autofocus: true,
decoration: InputDecoration(
hintText: dialogContext.l10n.collectionPlaylistNameHint,
),
validator: (value) {
final trimmed = value?.trim() ?? '';
if (trimmed.isEmpty) {
return dialogContext.l10n.collectionPlaylistNameRequired;
}
return null;
},
onFieldSubmitted: (_) {
if (formKey.currentState?.validate() != true) return;
Navigator.of(dialogContext).pop(controller.text.trim());
},
),
),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(),
child: Text(dialogContext.l10n.dialogCancel),
),
FilledButton(
onPressed: () {
if (formKey.currentState?.validate() != true) return;
Navigator.of(dialogContext).pop(controller.text.trim());
},
child: Text(dialogContext.l10n.dialogSave),
),
],
);
},
);
if (nextName == null || nextName.trim().isEmpty || !context.mounted) {
return;
}
await ref
.read(libraryCollectionsProvider.notifier)
.renamePlaylist(playlistId, nextName.trim());
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(context.l10n.collectionPlaylistRenamed)),
);
}
Future<void> _confirmDeletePlaylist(
BuildContext context,
WidgetRef ref,
String playlistId,
String playlistName,
) async {
final confirmed = await showDialog<bool>(
context: context,
builder: (dialogContext) {
return AlertDialog(
title: Text(dialogContext.l10n.collectionDeletePlaylist),
content: Text(
dialogContext.l10n.collectionDeletePlaylistMessage(playlistName),
),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(false),
child: Text(dialogContext.l10n.dialogCancel),
),
FilledButton(
onPressed: () => Navigator.of(dialogContext).pop(true),
child: Text(dialogContext.l10n.dialogDelete),
),
],
);
},
);
if (confirmed != true || !context.mounted) return;
await ref
.read(libraryCollectionsProvider.notifier)
.deletePlaylist(playlistId);
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(context.l10n.collectionPlaylistDeleted)),
);
}
}