23 lines
624 B
Dart
23 lines
624 B
Dart
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import 'VideoCards.dart';
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class VideoCardsManager {
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final List<VideoCards> _videocards = [];
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void addVideoCards(VideoCards videocards) {
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_videocards.add(videocards);
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}
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List<VideoCards> filterVideoCardsByCategory(VideoCardsCategory category) {
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return _videocards.where((videocards) => videocards.category == category).toList();
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}
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double calculateTotalAmount() {
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return _videocards.fold(0.0, (sum,videocards) => sum + videocards.price);
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}
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Future<void> clearVideoCards() async {
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await Future.delayed(Duration(seconds: 3));
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_videocards.clear();
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print('Список чист!');
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}
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}
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