// public List <SubscriptionDTO> GetSubscriptionByUserId(int userId) { List <Subscription> subscriptionList = subscribeService.GetSubscriptionsByUserId(userId); IEnumerable <SubscriptionDTO> subscriptionDTOs = subscriptionList.Select(e => new SubscriptionDTO { Id = e.Id, StartDate = e.StartDate, EndDate = e.EndDate, PercentDiscount = e.PercentDiscount, Quantity = e.Quantity, User = e.User, Coffee = e.Coffee }); return(subscriptionDTOs.ToList()); }