chore(mobile): refactor authentication (#14322)

mobile/lib/models/auth/auth_state.model.dart

@@ -0,0 +1,69 @@
+class AuthState {
+  final String deviceId;
+  final String userId;
+  final String userEmail;
+  final bool isAuthenticated;
+  final String name;
+  final bool isAdmin;
+  final String profileImagePath;
+
+  AuthState({
+    required this.deviceId,
+    required this.userId,
+    required this.userEmail,
+    required this.isAuthenticated,
+    required this.name,
+    required this.isAdmin,
+    required this.profileImagePath,
+  });
+
+  AuthState copyWith({
+    String? deviceId,
+    String? userId,
+    String? userEmail,
+    bool? isAuthenticated,
+    String? name,
+    bool? isAdmin,
+    String? profileImagePath,
+  }) {
+    return AuthState(
+      deviceId: deviceId ?? this.deviceId,
+      userId: userId ?? this.userId,
+      userEmail: userEmail ?? this.userEmail,
+      isAuthenticated: isAuthenticated ?? this.isAuthenticated,
+      name: name ?? this.name,
+      isAdmin: isAdmin ?? this.isAdmin,
+      profileImagePath: profileImagePath ?? this.profileImagePath,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'AuthenticationState(deviceId: $deviceId, userId: $userId, userEmail: $userEmail, isAuthenticated: $isAuthenticated, name: $name, isAdmin: $isAdmin, profileImagePath: $profileImagePath)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is AuthState &&
+        other.deviceId == deviceId &&
+        other.userId == userId &&
+        other.userEmail == userEmail &&
+        other.isAuthenticated == isAuthenticated &&
+        other.name == name &&
+        other.isAdmin == isAdmin &&
+        other.profileImagePath == profileImagePath;
+  }
+
+  @override
+  int get hashCode {
+    return deviceId.hashCode ^
+        userId.hashCode ^
+        userEmail.hashCode ^
+        isAuthenticated.hashCode ^
+        name.hashCode ^
+        isAdmin.hashCode ^
+        profileImagePath.hashCode;
+  }
+}