111 lines
3.6 KiB
C#
111 lines
3.6 KiB
C#
using RestaurantContracts.BindingModels;
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using RestaurantContracts.ViewModels;
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using RestaurantDataModels.Models;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace RestaurantDatabaseImplement.Models
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{
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public class Order : IOrderModel
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{
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[Required]
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public int ClientId { get; set; }
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public virtual Client Client { get; set; } = new();
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[Required]
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public int Price { get; set; }
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[Required]
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public DateTime Date { get; set; }
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private Dictionary<int, (IProductModel, int)>? _orderProducts = null;
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[NotMapped]
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public Dictionary<int, (IProductModel, int)> OrderProducts
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{
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get
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{
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if (_orderProducts == null)
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{
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_orderProducts = Products.ToDictionary(recPC => recPC.ProductId, recPC =>
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(recPC.Product as IProductModel, recPC.Count));
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}
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return _orderProducts;
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}
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}
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[ForeignKey("OrderId")]
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public virtual List<OrderProduct> Products { get; set; } = new();
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public int Id { get; set; }
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public static Order? Create(RestaurantDatabase context, OrderBindingModel? model)
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{
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if (model == null)
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{
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return null;
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}
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return new Order()
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{
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Id = model.Id,
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ClientId = model.ClientId,
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Price = model.Price,
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Date = model.Date,
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Products = model.OrderProducts.Select(x => new OrderProduct
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{
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Product = context.Products.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(OrderBindingModel? model)
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{
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Date = model.Date;
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Price = model.Price;
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}
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public OrderViewModel GetViewModel => new()
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{
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Id = Id,
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ClientId = ClientId,
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Price = Price,
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Date = Date,
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};
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public void UpdateComponents(RestaurantDatabase context, OrderBindingModel model)
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{
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var OrderProducts = context.OrderProducts.Where(rec => rec.OrderId == model.Id).ToList();
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if (OrderProducts != null && OrderProducts.Count > 0)
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{ // удалили те, которых нет в модели
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context.OrderProducts.RemoveRange(OrderProducts.Where(rec => !model.OrderProducts.ContainsKey(rec.ProductId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateComponent in OrderProducts)
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{
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updateComponent.Count = model.OrderProducts[updateComponent.ProductId].Item2;
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model.OrderProducts.Remove(updateComponent.ProductId);
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}
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context.SaveChanges();
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}
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var Order = context.Orders.First(x => x.Id == Id);
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foreach (var pc in model.OrderProducts)
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{
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context.OrderProducts.Add(new OrderProduct
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{
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Order = Order,
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Product = context.Products.First(x => x.Id == pc.Key),
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Count = pc.Value.Item2
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});
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context.SaveChanges();
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}
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_orderProducts = null;
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}
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}
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}
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