aves_mio22/lib/remote/collection_source_remote_ext.dart.old
2026-04-18 20:05:02 +02:00

97 lines
3 KiB
Dart

// lib/remote/collection_source_remote_ext.dart
import 'package:aves/model/entry/entry.dart';
import 'package:aves/model/source/collection_source.dart';
import 'package:aves/model/source/events.dart';
import 'package:aves/services/common/services.dart';
import 'package:flutter/foundation.dart';
import 'remote_origin.dart';
import 'package:aves/remote/remote_sync_bus.dart';
extension CollectionSourceRemoteExt on CollectionSource {
/// Sincronizza le entry remote in memoria con il DB:
/// - ADD: aggiunge solo i remoti nuovi
/// - DEL: rimuove solo i remoti spariti dal DB
///
/// Versione base: diff tra DB e in-memory, senza cache interna.
Future<void> appendRemoteEntriesFromDb() async {
// 1) carica dal DB tutte le entry remote
final Set<AvesEntry> remotiDb =
await localMediaDb.loadEntries(origin: RemoteOrigin.value);
final Map<String, AvesEntry> dbById = {
for (final e in remotiDb)
if (e.remoteId != null && e.remoteId!.isNotEmpty) e.remoteId!: e,
};
// 2) mappa in-memory dei remoti attuali
final Map<String, AvesEntry> memById = {
for (final e in allEntries)
if (e.origin == RemoteOrigin.value &&
!e.trashed &&
e.remoteId != null &&
e.remoteId!.isNotEmpty)
e.remoteId!: e,
};
// 3) calcola differenze
final Set<String> idsDb = dbById.keys.toSet();
final Set<String> idsMem = memById.keys.toSet();
final Set<String> toAddIds = idsDb.difference(idsMem);
final Set<String> toRemoveIds = idsMem.difference(idsDb);
final List<AvesEntry> toAdd = [
for (final id in toAddIds) dbById[id]!,
];
final List<AvesEntry> toRemove = [
for (final id in toRemoveIds) memById[id]!,
];
debugPrint('[remote-diff] add=${toAdd.length} del=${toRemove.length}');
// 4) applica differenze
if (toRemove.isNotEmpty) {
removeEntries(
toRemove.map((e) => e.uri).whereType<String>().toSet(),
includeTrash: false,
);
}
if (toAdd.isNotEmpty) {
addEntries(toAdd.toSet());
}
// 5) notifica la CollectionLens
if (toAdd.isNotEmpty) {
try {
eventBus.fire(EntryAddedEvent(toAdd.toSet()));
} catch (e) {
debugPrint('[remote-diff] fire EntryAddedEvent failed: $e');
}
}
if (toRemove.isNotEmpty) {
try {
eventBus.fire(EntryRefreshedEvent(const <AvesEntry>{}));
} catch (e) {
debugPrint('[remote-diff] fire EntryRefreshedEvent failed: $e');
}
}
final remotesMem = allEntries
.where((e) => e.origin == RemoteOrigin.value && !e.trashed)
.length;
debugPrint('[remote-diff] done: remotesMem=$remotesMem');
}
}
/// Visibilità dei remoti (usata da CollectionLens)
extension RemoteVisibilityExt on CollectionSource {
bool get remoteVisible {
final state = RemoteSyncBus.instance.stateNotifier.value;
return state == RemoteSyncState.syncing ||
state == RemoteSyncState.upToDate;
}
}