reworked operation (#12)

Reviewed-on: #12
Co-authored-by: Mark M2 Macbook <marco@catelli.it>
Co-committed-by: Mark M2 Macbook <marco@catelli.it>

lib/features/customers/blocs/customers_state.dart

@@ -0,0 +1,46 @@
+part of 'customers_cubit.dart';
+
+enum CustomersStatus {
+  initial,
+  loading,
+  filesLoading,
+  filesUploading,
+  success,
+  failure,
+}
+
+class CustomersState extends Equatable {
+  final CustomersStatus status;
+  final List<CustomerModel> customers;
+  final CustomerModel? lastCreatedCustomer;
+  final String? errorMessage;
+
+  const CustomersState({
+    this.status = CustomersStatus.initial,
+    this.customers = const [],
+    this.lastCreatedCustomer,
+    this.errorMessage,
+  });
+
+  CustomersState copyWith({
+    CustomersStatus? status,
+    List<CustomerModel>? customers,
+    CustomerModel? lastCreatedCustomer,
+    String? errorMessage,
+  }) {
+    return CustomersState(
+      status: status ?? this.status,
+      customers: customers ?? this.customers,
+      lastCreatedCustomer: lastCreatedCustomer ?? this.lastCreatedCustomer,
+      errorMessage: errorMessage ?? this.errorMessage,
+    );
+  }
+
+  @override
+  List<Object?> get props => [
+    status,
+    customers,
+    lastCreatedCustomer,
+    errorMessage,
+  ];
+}