sync product to local

lib/core/error/database_error_handler.dart

@@ -0,0 +1,53 @@
+import 'dart:developer';
+import 'dart:io';
+
+import 'package:sqflite/sqflite.dart';
+
+class DatabaseErrorHandler {
+  static Future<T> executeWithRetry<T>(
+    Future<T> Function() operation, {
+    int maxRetries = 3,
+    Duration delay = const Duration(milliseconds: 500),
+  }) async {
+    int attempts = 0;
+
+    while (attempts < maxRetries) {
+      try {
+        return await operation();
+      } catch (e) {
+        attempts++;
+
+        if (attempts >= maxRetries) {
+          rethrow;
+        }
+
+        log('Database operation failed (attempt $attempts/$maxRetries): $e');
+        await Future.delayed(delay * attempts);
+      }
+    }
+
+    throw Exception('Max retries exceeded');
+  }
+
+  static bool isDatabaseCorrupted(dynamic error) {
+    final errorString = error.toString().toLowerCase();
+    return errorString.contains('corrupt') ||
+        errorString.contains('malformed') ||
+        errorString.contains('no such table');
+  }
+
+  static Future<void> handleDatabaseCorruption() async {
+    try {
+      // Delete corrupted database
+      final dbPath = await getDatabasesPath();
+      final file = File('$dbPath/pos_database.db');
+      if (await file.exists()) {
+        await file.delete();
+      }
+
+      log('Corrupted database deleted, will be recreated');
+    } catch (e) {
+      log('Error handling database corruption: $e');
+    }
+  }
+}