first commit

app/lib/core/errors/failures.dart

@@ -0,0 +1,70 @@
+import 'package:equatable/equatable.dart';
+
+abstract class Failure extends Equatable {
+  final String message;
+  final String? code;
+
+  const Failure({
+    required this.message,
+    this.code,
+  });
+
+  @override
+  List<Object?> get props => [message, code];
+}
+
+class ServerFailure extends Failure {
+  const ServerFailure({
+    required super.message,
+    super.code,
+  });
+}
+
+class CacheFailure extends Failure {
+  const CacheFailure({
+    required super.message,
+    super.code,
+  });
+}
+
+class NetworkFailure extends Failure {
+  const NetworkFailure({
+    required super.message,
+    super.code,
+  });
+}
+
+class ValidationFailure extends Failure {
+  const ValidationFailure({
+    required super.message,
+    super.code,
+  });
+}
+
+class NotFoundFailure extends Failure {
+  const NotFoundFailure({
+    required super.message,
+    super.code,
+  });
+}
+
+class UnauthorizedFailure extends Failure {
+  const UnauthorizedFailure({
+    required super.message,
+    super.code,
+  });
+}
+
+class BarcodeFailure extends Failure {
+  const BarcodeFailure({
+    required super.message,
+    super.code,
+  });
+}
+
+class SyncFailure extends Failure {
+  const SyncFailure({
+    required super.message,
+    super.code,
+  });
+}