aves/lib/services/media_store_service.dart
2021-08-09 19:32:32 +09:00

58 lines
1.9 KiB
Dart

import 'dart:async';
import 'package:aves/model/entry.dart';
import 'package:aves/services/services.dart';
import 'package:flutter/services.dart';
import 'package:streams_channel/streams_channel.dart';
abstract class MediaStoreService {
Future<List<int>> checkObsoleteContentIds(List<int> knownContentIds);
Future<List<int>> checkObsoletePaths(Map<int, String?> knownPathById);
// knownEntries: map of contentId -> dateModifiedSecs
Stream<AvesEntry> getEntries(Map<int, int> knownEntries);
}
class PlatformMediaStoreService implements MediaStoreService {
static const platform = MethodChannel('deckers.thibault/aves/mediastore');
static final StreamsChannel _streamChannel = StreamsChannel('deckers.thibault/aves/mediastorestream');
@override
Future<List<int>> checkObsoleteContentIds(List<int> knownContentIds) async {
try {
final result = await platform.invokeMethod('checkObsoleteContentIds', <String, dynamic>{
'knownContentIds': knownContentIds,
});
return (result as List).cast<int>();
} on PlatformException catch (e, stack) {
await reportService.recordError(e, stack);
}
return [];
}
@override
Future<List<int>> checkObsoletePaths(Map<int, String?> knownPathById) async {
try {
final result = await platform.invokeMethod('checkObsoletePaths', <String, dynamic>{
'knownPathById': knownPathById,
});
return (result as List).cast<int>();
} on PlatformException catch (e, stack) {
await reportService.recordError(e, stack);
}
return [];
}
@override
Stream<AvesEntry> getEntries(Map<int, int> knownEntries) {
try {
return _streamChannel.receiveBroadcastStream(<String, dynamic>{
'knownEntries': knownEntries,
}).map((event) => AvesEntry.fromMap(event));
} on PlatformException catch (e, stack) {
reportService.recordError(e, stack);
return Stream.error(e);
}
}
}