PIbd-21_BatylkinaAO_MusoevD.../Canteen/CanteenDatabaseImplement/Models/Dish.cs
2023-05-18 00:40:11 +03:00

108 lines
3.6 KiB
C#

using CanteenContracts.BindingModels;
using CanteenContracts.View;
using CanteenDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CanteenDatabaseImplement.Models
{
public class Dish : IDishModel
{
public int Id { get; set; }
[Required]
public string DishName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
[Required]
public int ManagerId { get; set; }
private Dictionary<int, (IProductModel, int)>? _dishProducts = null;
[NotMapped]
public Dictionary<int, (IProductModel, int)> DishProducts
{
get
{
if (_dishProducts == null)
{
_dishProducts = Products
.ToDictionary(recDP => recDP.DishId, recDP => (recDP.Product as IProductModel, recDP.CountProducts));
}
return _dishProducts;
}
}
[ForeignKey("DishId")]
public virtual List<DishProduct> Products { get; set; } = new();
[ForeignKey("DishId")]
public virtual List<OrderDish> Orders { get; set; } = new();
public virtual Manager Manager { get; set; }
public static Dish Create(CanteenDatabase context, DishBindingModel model)
{
return new Dish
{
Id = model.Id,
DishName = model.DishName,
Price = model.Price,
ManagerId = model.ManagerId,
Products = model.DishProducts.Select(x => new DishProduct
{
Product = context.Products.First(y => y.Id == x.Key),
CountProducts = x.Value.Item2
}).ToList()
};
}
public void Update(DishBindingModel model)
{
DishName = model.DishName;
Price = model.Price;
ManagerId = model.ManagerId;
}
public DishViewModel GetViewModel => new()
{
Id = Id,
DishName = DishName,
Price = Price,
ManagerId = ManagerId,
DishProducts = DishProducts
};
public void UpdateDishProduct(CanteenDatabase context, DishBindingModel model)
{
var dishProduct = context.DishProduct.Where(rec => rec.DishId == model.Id).ToList();
if (dishProduct != null && (dishProduct.Count > 0))
{
context.DishProduct.RemoveRange(dishProduct.Where(rec => !model.DishProducts.ContainsKey(rec.ProductId)));
context.SaveChanges();
foreach (var updateProduct in dishProduct)
{
updateProduct.CountProducts = model.DishProducts[updateProduct.ProductId].Item2;
model.DishProducts.Remove(updateProduct.ProductId);
}
context.SaveChanges();
}
var dish = context.Dishes.First(x => x.Id == Id);
foreach (var dp in model.DishProducts)
{
context.DishProduct.Add(new DishProduct
{
Dish = dish,
Product = context.Products.First(x => x.Id == dp.Key),
CountProducts = dp.Value.Item2
});
context.SaveChanges();
}
_dishProducts = null;
}
}
}