118 lines
3.5 KiB
Dart
118 lines
3.5 KiB
Dart
import 'dart:convert';
|
|
|
|
import 'package:filesize/filesize.dart';
|
|
import 'package:flutter/material.dart';
|
|
|
|
import '../../api/cache_store.dart';
|
|
import '../../extensions/date_time.dart';
|
|
import '../../routing/app_routes.dart';
|
|
import '../app_progress_indicator.dart';
|
|
import '../confirm_dialog.dart';
|
|
import '../placeholder_view.dart';
|
|
|
|
/// Lists the [CacheStore] entries (one file per request key), newest first.
|
|
class CacheView extends StatefulWidget {
|
|
const CacheView({super.key});
|
|
|
|
@override
|
|
State<CacheView> createState() => _CacheViewState();
|
|
}
|
|
|
|
class _CacheViewState extends State<CacheView> {
|
|
late Future<List<MapEntry<String, CacheEntry>>> _entries = _read();
|
|
|
|
Future<List<MapEntry<String, CacheEntry>>> _read() async =>
|
|
(await CacheStore.instance.readAll()).entries.toList()
|
|
..sort((a, b) => b.value.lastUpdate.compareTo(a.value.lastUpdate));
|
|
|
|
void _reload() => setState(() {
|
|
_entries = _read();
|
|
});
|
|
|
|
void _confirmDelete(String key) {
|
|
ConfirmDialog(
|
|
title: 'Eintrag löschen',
|
|
content: '„$key“ wird gelöscht und bei Bedarf neu geladen.',
|
|
confirmButton: 'Löschen',
|
|
errorBuilder: (e) => '$e',
|
|
onConfirmAsync: () async {
|
|
await CacheStore.instance.delete(key);
|
|
if (mounted) _reload();
|
|
},
|
|
).asDialog(context);
|
|
}
|
|
|
|
void _confirmClear() {
|
|
ConfirmDialog(
|
|
title: 'Request-Cache leeren',
|
|
content:
|
|
'Alle Einträge werden gelöscht. Der Cache baut sich bei Nutzung der '
|
|
'App automatisch wieder auf.',
|
|
confirmButton: 'Alles löschen',
|
|
errorBuilder: (e) => '$e',
|
|
onConfirmAsync: () async {
|
|
await CacheStore.instance.clear();
|
|
if (mounted) _reload();
|
|
},
|
|
).asDialog(context);
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) => Scaffold(
|
|
appBar: AppBar(
|
|
title: const Text('Request-Cache'),
|
|
actions: [
|
|
IconButton(
|
|
tooltip: 'Neu laden',
|
|
icon: const Icon(Icons.refresh),
|
|
onPressed: _reload,
|
|
),
|
|
IconButton(
|
|
tooltip: 'Alles löschen',
|
|
icon: const Icon(Icons.delete_sweep_outlined),
|
|
onPressed: _confirmClear,
|
|
),
|
|
],
|
|
),
|
|
body: FutureBuilder(
|
|
future: _entries,
|
|
builder: (context, snapshot) {
|
|
if (snapshot.connectionState != ConnectionState.done) {
|
|
return const Center(child: AppProgressIndicator.large());
|
|
}
|
|
final entries = snapshot.data ?? const [];
|
|
if (entries.isEmpty) {
|
|
return const PlaceholderView(
|
|
icon: Icons.hourglass_empty,
|
|
text: 'Keine Daten',
|
|
);
|
|
}
|
|
return ListView.builder(
|
|
itemCount: entries.length,
|
|
itemBuilder: (context, index) {
|
|
final MapEntry(:key, :value) = entries[index];
|
|
return ListTile(
|
|
leading: const Icon(Icons.text_snippet_outlined),
|
|
title: Text(key),
|
|
subtitle: Text(
|
|
'${filesize(utf8.encode(value.json).length)} · '
|
|
'${DateTime.fromMillisecondsSinceEpoch(value.lastUpdate).formatRelative()}',
|
|
),
|
|
onTap: () => AppRoutes.openJsonViewer(
|
|
context,
|
|
jsonDecode(value.json),
|
|
title: key,
|
|
),
|
|
trailing: IconButton(
|
|
tooltip: 'Löschen',
|
|
icon: const Icon(Icons.delete_outline),
|
|
onPressed: () => _confirmDelete(key),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
),
|
|
);
|
|
}
|