runable

lib/core/providers/sync_status_provider.dart

@@ -0,0 +1,223 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import '../../features/products/presentation/providers/products_provider.dart';
+import '../../features/categories/presentation/providers/categories_provider.dart';
+import '../../features/settings/presentation/providers/settings_provider.dart';
+import 'network_info_provider.dart';
+
+part 'sync_status_provider.g.dart';
+
+/// Sync status provider - manages data synchronization state
+@riverpod
+class SyncStatus extends _$SyncStatus {
+  @override
+  Future<SyncResult> build() async {
+    // Initialize with idle state
+    return const SyncResult(
+      status: SyncState.idle,
+      lastSyncTime: null,
+      message: 'Ready to sync',
+    );
+  }
+
+  /// Perform full sync of all data
+  Future<void> syncAll() async {
+    // Check network connectivity first
+    final isConnected = await ref.read(isConnectedProvider.future);
+    if (!isConnected) {
+      state = const AsyncValue.data(
+        SyncResult(
+          status: SyncState.offline,
+          lastSyncTime: null,
+          message: 'No internet connection',
+        ),
+      );
+      return;
+    }
+
+    // Start sync
+    state = const AsyncValue.data(
+      SyncResult(
+        status: SyncState.syncing,
+        lastSyncTime: null,
+        message: 'Syncing data...',
+      ),
+    );
+
+    try {
+      // Sync categories first (products depend on categories)
+      await ref.read(categoriesProvider.notifier).syncCategories();
+
+      // Then sync products
+      await ref.read(productsProvider.notifier).syncProducts();
+
+      // Update last sync time in settings
+      await ref.read(settingsProvider.notifier).updateLastSyncTime();
+
+      // Sync completed successfully
+      state = AsyncValue.data(
+        SyncResult(
+          status: SyncState.success,
+          lastSyncTime: DateTime.now(),
+          message: 'Sync completed successfully',
+        ),
+      );
+    } catch (error, stackTrace) {
+      // Sync failed
+      state = AsyncValue.data(
+        SyncResult(
+          status: SyncState.failed,
+          lastSyncTime: null,
+          message: 'Sync failed: ${error.toString()}',
+          error: error,
+        ),
+      );
+
+      // Also set error state for proper error handling
+      state = AsyncValue.error(error, stackTrace);
+    }
+  }
+
+  /// Sync only products
+  Future<void> syncProducts() async {
+    final isConnected = await ref.read(isConnectedProvider.future);
+    if (!isConnected) {
+      state = const AsyncValue.data(
+        SyncResult(
+          status: SyncState.offline,
+          lastSyncTime: null,
+          message: 'No internet connection',
+        ),
+      );
+      return;
+    }
+
+    state = const AsyncValue.data(
+      SyncResult(
+        status: SyncState.syncing,
+        lastSyncTime: null,
+        message: 'Syncing products...',
+      ),
+    );
+
+    try {
+      await ref.read(productsProvider.notifier).syncProducts();
+      await ref.read(settingsProvider.notifier).updateLastSyncTime();
+
+      state = AsyncValue.data(
+        SyncResult(
+          status: SyncState.success,
+          lastSyncTime: DateTime.now(),
+          message: 'Products synced successfully',
+        ),
+      );
+    } catch (error, stackTrace) {
+      state = AsyncValue.data(
+        SyncResult(
+          status: SyncState.failed,
+          lastSyncTime: null,
+          message: 'Product sync failed: ${error.toString()}',
+          error: error,
+        ),
+      );
+      state = AsyncValue.error(error, stackTrace);
+    }
+  }
+
+  /// Sync only categories
+  Future<void> syncCategories() async {
+    final isConnected = await ref.read(isConnectedProvider.future);
+    if (!isConnected) {
+      state = const AsyncValue.data(
+        SyncResult(
+          status: SyncState.offline,
+          lastSyncTime: null,
+          message: 'No internet connection',
+        ),
+      );
+      return;
+    }
+
+    state = const AsyncValue.data(
+      SyncResult(
+        status: SyncState.syncing,
+        lastSyncTime: null,
+        message: 'Syncing categories...',
+      ),
+    );
+
+    try {
+      await ref.read(categoriesProvider.notifier).syncCategories();
+      await ref.read(settingsProvider.notifier).updateLastSyncTime();
+
+      state = AsyncValue.data(
+        SyncResult(
+          status: SyncState.success,
+          lastSyncTime: DateTime.now(),
+          message: 'Categories synced successfully',
+        ),
+      );
+    } catch (error, stackTrace) {
+      state = AsyncValue.data(
+        SyncResult(
+          status: SyncState.failed,
+          lastSyncTime: null,
+          message: 'Category sync failed: ${error.toString()}',
+          error: error,
+        ),
+      );
+      state = AsyncValue.error(error, stackTrace);
+    }
+  }
+
+  /// Reset sync status to idle
+  void resetStatus() {
+    state = const AsyncValue.data(
+      SyncResult(
+        status: SyncState.idle,
+        lastSyncTime: null,
+        message: 'Ready to sync',
+      ),
+    );
+  }
+}
+
+/// Sync state enum
+enum SyncState {
+  idle,
+  syncing,
+  success,
+  failed,
+  offline,
+}
+
+/// Sync result model
+class SyncResult {
+  final SyncState status;
+  final DateTime? lastSyncTime;
+  final String message;
+  final Object? error;
+
+  const SyncResult({
+    required this.status,
+    required this.lastSyncTime,
+    required this.message,
+    this.error,
+  });
+
+  bool get isSyncing => status == SyncState.syncing;
+  bool get isSuccess => status == SyncState.success;
+  bool get isFailed => status == SyncState.failed;
+  bool get isOffline => status == SyncState.offline;
+  bool get isIdle => status == SyncState.idle;
+}
+
+/// Provider for last sync time from settings
+@riverpod
+DateTime? lastSyncTime(Ref ref) {
+  final settingsAsync = ref.watch(settingsProvider);
+  return settingsAsync.when(
+    data: (settings) => settings.lastSyncAt,
+    loading: () => null,
+    error: (_, __) => null,
+  );
+}