PIbd-22_Shabunov_O.A._SushiBar/SushiBarDatabaseImplement/Models/Cheque.cs

using SushiBarContracts.BindingModels;
using SushiBarContracts.ViewModels;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace SushiBarDatabaseImplement.Models
{
    public class Cheque
    {
        [Key]
        public int Id { get; set; }

        public int? CustomerId { get; set; }

        public virtual Customer? Customer { get; set; }

        [Required]
        public DateTime OrderDate { get; set; }

        [Required]
        public double TotalSum { get; set; }

        public int? PromotionId { get; set; }

        public virtual Promotion? Promotion { get; set; }

        [ForeignKey("ChequeId")]
        public virtual List<ChequeItem> ChequeItems { get; set; } = new();

        public static Cheque Create(SushiBarDatabase Context, ChequeBindingModel Model)
        {
            return new Cheque()
            {
                CustomerId = Model.CustomerId,
                OrderDate = Model.OrderDate,
                TotalSum = Model.TotalSum,
                PromotionId = Model.PromotionId,
                ChequeItems = Model.ChequeItems.Select(x => new ChequeItem
                {
                    Dish = Context.Dishes.First(y => y.Id == x.DishId),
                    Cook = Context.Cooks.First(y => y.Id == x.CookId),
                    Count = x.Count,
                }).ToList()
            };
        }

        public void Update(ChequeBindingModel Model)
        {
            return;
        }

        public ChequeViewModel ViewModel => new()
        {
            Id = Id,
            CustomerId = CustomerId,
            CustomerFio = Customer?.Fio,
            OrderDate = OrderDate,
            TotalSum = TotalSum,
            PromotionId = PromotionId,
            Discount = Promotion?.Discount,
            ChequeItems = ChequeItems.ToDictionary(x => x.DishId, x => new ChequeItemViewModel
            {
                CheuqueId = x.ChequeId,
                DishId = x.DishId,
                CookId = x.CookId,
                CookFio = x.Cook.Fio,
                Count = x.Count,
            }),
        };

        public void UpdateChequeItems(SushiBarDatabase Context, ChequeBindingModel Model)
        {
            var Cheque = Context.Cheques.First(x => x.Id == Id);

            foreach (var ChequeItem in Model.ChequeItems)
            {
                Context.ChequeItems.Add(new ChequeItem
                {
                    Cheque = Cheque,
                    Dish = Context.Dishes.First(x => x.Id == ChequeItem.DishId),
                    Count = ChequeItem.Count
                });

                Context.SaveChanges();
            }
        }
    }
}