update database

lib/features/notifications/domain/entities/notification.dart

@@ -0,0 +1,162 @@
+/// Domain Entity: Notification
+///
+/// Represents a notification sent to a user.
+library;
+
+/// Notification Entity
+///
+/// Contains information about a notification:
+/// - Notification type and content
+/// - Associated data
+/// - Read and push status
+class Notification {
+  /// Unique notification identifier
+  final String notificationId;
+
+  /// User ID receiving the notification
+  final String userId;
+
+  /// Notification type (order, loyalty, promotion, system, etc.)
+  final String type;
+
+  /// Notification title
+  final String title;
+
+  /// Notification message/body
+  final String message;
+
+  /// Additional data (JSON object with context-specific information)
+  final Map<String, dynamic>? data;
+
+  /// Notification has been read
+  final bool isRead;
+
+  /// Push notification has been sent
+  final bool isPushed;
+
+  /// Notification creation timestamp
+  final DateTime createdAt;
+
+  /// Read timestamp
+  final DateTime? readAt;
+
+  const Notification({
+    required this.notificationId,
+    required this.userId,
+    required this.type,
+    required this.title,
+    required this.message,
+    this.data,
+    required this.isRead,
+    required this.isPushed,
+    required this.createdAt,
+    this.readAt,
+  });
+
+  /// Check if notification is unread
+  bool get isUnread => !isRead;
+
+  /// Check if notification is order-related
+  bool get isOrderNotification => type.toLowerCase().contains('order');
+
+  /// Check if notification is loyalty-related
+  bool get isLoyaltyNotification => type.toLowerCase().contains('loyalty') ||
+      type.toLowerCase().contains('points');
+
+  /// Check if notification is promotion-related
+  bool get isPromotionNotification =>
+      type.toLowerCase().contains('promotion') ||
+      type.toLowerCase().contains('discount');
+
+  /// Check if notification is system-related
+  bool get isSystemNotification => type.toLowerCase().contains('system');
+
+  /// Get related entity ID from data
+  String? get relatedEntityId {
+    if (data == null) return null;
+    return data!['entity_id'] as String? ??
+        data!['order_id'] as String? ??
+        data!['quote_id'] as String?;
+  }
+
+  /// Get related entity type from data
+  String? get relatedEntityType {
+    if (data == null) return null;
+    return data!['entity_type'] as String?;
+  }
+
+  /// Get time since notification was created
+  Duration get timeSinceCreated {
+    return DateTime.now().difference(createdAt);
+  }
+
+  /// Check if notification is recent (less than 24 hours)
+  bool get isRecent {
+    return timeSinceCreated.inHours < 24;
+  }
+
+  /// Check if notification is old (more than 7 days)
+  bool get isOld {
+    return timeSinceCreated.inDays > 7;
+  }
+
+  /// Copy with method for immutability
+  Notification copyWith({
+    String? notificationId,
+    String? userId,
+    String? type,
+    String? title,
+    String? message,
+    Map<String, dynamic>? data,
+    bool? isRead,
+    bool? isPushed,
+    DateTime? createdAt,
+    DateTime? readAt,
+  }) {
+    return Notification(
+      notificationId: notificationId ?? this.notificationId,
+      userId: userId ?? this.userId,
+      type: type ?? this.type,
+      title: title ?? this.title,
+      message: message ?? this.message,
+      data: data ?? this.data,
+      isRead: isRead ?? this.isRead,
+      isPushed: isPushed ?? this.isPushed,
+      createdAt: createdAt ?? this.createdAt,
+      readAt: readAt ?? this.readAt,
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is Notification &&
+        other.notificationId == notificationId &&
+        other.userId == userId &&
+        other.type == type &&
+        other.title == title &&
+        other.message == message &&
+        other.isRead == isRead &&
+        other.isPushed == isPushed;
+  }
+
+  @override
+  int get hashCode {
+    return Object.hash(
+      notificationId,
+      userId,
+      type,
+      title,
+      message,
+      isRead,
+      isPushed,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'Notification(notificationId: $notificationId, type: $type, '
+        'title: $title, isRead: $isRead, createdAt: $createdAt)';
+  }
+}