80 lines
2.1 KiB
Dart
80 lines
2.1 KiB
Dart
import 'dart:async';
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import 'dart:developer';
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import 'package:connectivity_plus/connectivity_plus.dart';
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import 'package:enaklo_pos/data/repositories/product/product_repository.dart';
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class SyncManager {
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final ProductRepository _productRepository;
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final Connectivity _connectivity = Connectivity();
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Timer? _syncTimer;
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bool _isSyncing = false;
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StreamSubscription<List<ConnectivityResult>>? _connectivitySubscription;
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SyncManager(this._productRepository) {
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_startPeriodicSync();
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_listenToConnectivityChanges();
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}
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void _startPeriodicSync() {
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// Sync setiap 5 menit jika ada koneksi
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_syncTimer = Timer.periodic(Duration(minutes: 5), (timer) {
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_performBackgroundSync();
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});
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}
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void _listenToConnectivityChanges() {
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_connectivitySubscription = _connectivity.onConnectivityChanged.listen(
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(List<ConnectivityResult> results) {
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// Check if any connection is available
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final hasConnection =
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results.any((result) => result != ConnectivityResult.none);
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if (hasConnection) {
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log('Connection restored, starting background sync');
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_performBackgroundSync();
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} else {
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log('Connection lost');
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}
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},
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);
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}
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Future<void> _performBackgroundSync() async {
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if (_isSyncing) return;
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// Check current connectivity before syncing
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final connectivityResults = await _connectivity.checkConnectivity();
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final hasConnection =
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connectivityResults.any((result) => result != ConnectivityResult.none);
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if (!hasConnection) {
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log('No internet connection, skipping sync');
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return;
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}
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try {
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_isSyncing = true;
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log('Starting background sync');
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await _productRepository.refreshProducts();
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log('Background sync completed');
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} catch (e) {
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log('Background sync failed: $e');
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} finally {
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_isSyncing = false;
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}
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}
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// Public method untuk manual sync
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Future<void> performManualSync() async {
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await _performBackgroundSync();
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}
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void dispose() {
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_syncTimer?.cancel();
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_connectivitySubscription?.cancel();
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}
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}
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