mirror-immich/mobile/lib/infrastructure/repositories/settings.repository.dart

85 lines
2.5 KiB
Dart

import 'package:collection/collection.dart';
import 'package:drift/drift.dart';
import 'package:immich_mobile/domain/models/config/app_config.dart';
import 'package:immich_mobile/domain/models/settings_key.dart';
import 'package:immich_mobile/infrastructure/entities/settings.entity.drift.dart';
import 'package:immich_mobile/infrastructure/repositories/db.repository.dart';
class SettingsRepository extends DriftDatabaseRepository {
final Drift _db;
SettingsRepository._(this._db) : super(_db);
static SettingsRepository? _instance;
static SettingsRepository get instance {
final instance = _instance;
if (instance == null) {
throw StateError('SettingsRepository not initialized. Call ensureInitialized() first');
}
return instance;
}
AppConfig _appConfig = const .new();
AppConfig get appConfig => _appConfig;
static Future<SettingsRepository> ensureInitialized(Drift db) async {
if (_instance == null) {
final instance = SettingsRepository._(db);
await instance.refresh();
_instance = instance;
}
return _instance!;
}
Future<void> refresh() async => _applyOverrides(await _db.select(_db.settingsEntity).get());
Future<void> clear(Iterable<SettingsKey> keys) async {
if (keys.isEmpty) {
return;
}
final names = keys.map((key) => key.name).toList();
await (_db.delete(_db.settingsEntity)..where((row) => row.key.isIn(names))).go();
for (final key in keys) {
_appConfig = _appConfig.write(key, defaultConfig.read(key));
}
}
Future<void> write<T extends Object, U extends T>(SettingsKey<T> key, U value) async {
if (value == _appConfig.read(key)) {
return;
}
if (value == defaultConfig.read(key)) {
return clear([key]);
}
await _db
.into(_db.settingsEntity)
.insertOnConflictUpdate(
SettingsEntityCompanion.insert(key: key.name, value: key.encode(value), updatedAt: Value(DateTime.now())),
);
_appConfig = _appConfig.write(key, value);
}
Stream<AppConfig> watchConfig() => _db.select(_db.settingsEntity).watch().map((rows) {
_applyOverrides(rows);
return _appConfig;
});
void _applyOverrides(List<SettingsEntityData> rows) {
_appConfig = AppConfig.fromEntries(
rows.fold({}, (overrides, row) {
final metadataKey = SettingsKey.values.firstWhereOrNull((key) => key.name == row.key);
if (metadataKey == null) {
return overrides;
}
return {...overrides, metadataKey: metadataKey.decode(row.value)};
}),
);
}
}