update database

lib/features/account/domain/entities/audit_log.dart

@@ -0,0 +1,151 @@
+/// Domain Entity: Audit Log
+///
+/// Represents an audit trail entry for system activities.
+library;
+
+/// Audit Log Entity
+///
+/// Contains information about a system action:
+/// - User and action details
+/// - Entity affected
+/// - Change tracking
+/// - Session information
+class AuditLog {
+  /// Unique log identifier
+  final String logId;
+
+  /// User ID who performed the action
+  final String? userId;
+
+  /// Action performed (create, update, delete, login, etc.)
+  final String action;
+
+  /// Entity type affected (user, order, product, etc.)
+  final String? entityType;
+
+  /// Entity ID affected
+  final String? entityId;
+
+  /// Old value (before change)
+  final Map<String, dynamic>? oldValue;
+
+  /// New value (after change)
+  final Map<String, dynamic>? newValue;
+
+  /// IP address of the user
+  final String? ipAddress;
+
+  /// User agent string
+  final String? userAgent;
+
+  /// Timestamp of the action
+  final DateTime timestamp;
+
+  const AuditLog({
+    required this.logId,
+    this.userId,
+    required this.action,
+    this.entityType,
+    this.entityId,
+    this.oldValue,
+    this.newValue,
+    this.ipAddress,
+    this.userAgent,
+    required this.timestamp,
+  });
+
+  /// Check if log has old value
+  bool get hasOldValue => oldValue != null && oldValue!.isNotEmpty;
+
+  /// Check if log has new value
+  bool get hasNewValue => newValue != null && newValue!.isNotEmpty;
+
+  /// Check if action is create
+  bool get isCreate => action.toLowerCase() == 'create';
+
+  /// Check if action is update
+  bool get isUpdate => action.toLowerCase() == 'update';
+
+  /// Check if action is delete
+  bool get isDelete => action.toLowerCase() == 'delete';
+
+  /// Check if action is login
+  bool get isLogin => action.toLowerCase() == 'login';
+
+  /// Check if action is logout
+  bool get isLogout => action.toLowerCase() == 'logout';
+
+  /// Get changed fields
+  List<String> get changedFields {
+    if (!hasOldValue || !hasNewValue) return [];
+
+    final changed = <String>[];
+    for (final key in newValue!.keys) {
+      if (oldValue!.containsKey(key) && oldValue![key] != newValue![key]) {
+        changed.add(key);
+      }
+    }
+    return changed;
+  }
+
+  /// Get time since action
+  Duration get timeSinceAction {
+    return DateTime.now().difference(timestamp);
+  }
+
+  /// Copy with method for immutability
+  AuditLog copyWith({
+    String? logId,
+    String? userId,
+    String? action,
+    String? entityType,
+    String? entityId,
+    Map<String, dynamic>? oldValue,
+    Map<String, dynamic>? newValue,
+    String? ipAddress,
+    String? userAgent,
+    DateTime? timestamp,
+  }) {
+    return AuditLog(
+      logId: logId ?? this.logId,
+      userId: userId ?? this.userId,
+      action: action ?? this.action,
+      entityType: entityType ?? this.entityType,
+      entityId: entityId ?? this.entityId,
+      oldValue: oldValue ?? this.oldValue,
+      newValue: newValue ?? this.newValue,
+      ipAddress: ipAddress ?? this.ipAddress,
+      userAgent: userAgent ?? this.userAgent,
+      timestamp: timestamp ?? this.timestamp,
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is AuditLog &&
+        other.logId == logId &&
+        other.userId == userId &&
+        other.action == action &&
+        other.entityType == entityType &&
+        other.entityId == entityId;
+  }
+
+  @override
+  int get hashCode {
+    return Object.hash(
+      logId,
+      userId,
+      action,
+      entityType,
+      entityId,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'AuditLog(logId: $logId, userId: $userId, action: $action, '
+        'entityType: $entityType, entityId: $entityId, timestamp: $timestamp)';
+  }
+}