new project stable version

lib/presentation/state/top_up_state.dart

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+import 'package:be_happy/domain/entities/certificate.dart';
+import 'package:be_happy/domain/entities/payment_card.dart';
+
+import '../../domain/entities/top_up_tariff.dart';
+
+class TopUpState {
+  final List<Certificate> certificates;
+  final List<PaymentCard> cards;
+  final Certificate? selectedTariff;
+  final PaymentCard? selectedCard;
+  final bool isLoading;
+  final bool isAgreed;
+
+  TopUpState({
+    this.certificates = const [],
+    this.cards = const [],
+    this.selectedTariff,
+    this.selectedCard,
+    this.isLoading = false,
+    this.isAgreed = false,
+  });
+
+  TopUpState copyWith({
+    List<Certificate>? certificates,
+    List<PaymentCard>? cards,
+    Certificate? selectedTariff,
+    PaymentCard? selectedCard,
+    bool? isLoading,
+    bool? isAgreed,
+  }) {
+    return TopUpState(
+      certificates: certificates ?? this.certificates,
+      cards: cards ?? this.cards,
+      selectedTariff: selectedTariff ?? this.selectedTariff,
+      selectedCard: selectedCard ?? this.selectedCard,
+      isLoading: isLoading ?? this.isLoading,
+      isAgreed: isAgreed ?? this.isAgreed,
+    );
+  }
+}