PIbd-21_Rodionov_I.A._IceCr.../IceCreamShop/IceCreamShopDatabaseImplement/Models/Shop.cs

111 lines
3.7 KiB
C#

using IceCreamShopContracts.BindingModels;
using IceCreamShopContracts.ViewModels;
using IceCreamShopDataModels.Models;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace IceCreamShopDatabaseImplement.Models
{
public class Shop : IShopModel
{
public int Id { get; set; }
[Required]
public string ShopName { get; set; } = string.Empty;
[Required]
public string Address { get; set; } = string.Empty;
[Required]
public DateTime DateOpening { get; set; }
[Required]
public int IceCreamsMaximum { get; set; }
private Dictionary<int, (IIceCreamModel, int)>? _shopIceCreams = null;
[NotMapped]
public Dictionary<int, (IIceCreamModel, int)> ShopIceCreams
{
get
{
if (_shopIceCreams == null)
{
_shopIceCreams = IceCreams
.ToDictionary(x => x.IceCreamId, x => (x.IceCream as IIceCreamModel, x.Count));
}
return _shopIceCreams;
}
}
[ForeignKey("ShopId")]
public virtual List<ShopIceCream> IceCreams { get; set; } = new();
public static Shop Create(IceCreamShopDatabase context, ShopBindingModel model)
{
return new Shop()
{
Id = model.Id,
ShopName = model.ShopName,
Address = model.Address,
DateOpening = model.DateOpening,
IceCreamsMaximum = model.IceCreamsMaximum,
IceCreams = model.ShopIceCreams.Select(x => new ShopIceCream
{
IceCream = context.IceCreams.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(ShopBindingModel model)
{
ShopName = model.ShopName;
Address = model.Address;
DateOpening = model.DateOpening;
IceCreamsMaximum = model.IceCreamsMaximum;
}
public ShopViewModel GetViewModel => new()
{
Id = Id,
ShopName = ShopName,
Address = Address,
DateOpening = DateOpening,
IceCreamsMaximum = IceCreamsMaximum,
ShopIceCreams = ShopIceCreams
};
public void UpdateIceCreams(IceCreamShopDatabase context, ShopBindingModel model)
{
var shopIceCreams = context.ShopIceCreams.Where(rec => rec.ShopId == model.Id).ToList();
if (shopIceCreams != null && shopIceCreams.Count > 0)
{
context.ShopIceCreams.RemoveRange(shopIceCreams.Where(rec => !model.ShopIceCreams.ContainsKey(rec.IceCreamId)));
context.SaveChanges();
foreach (var updateIceCream in shopIceCreams)
{
if (model.ShopIceCreams.ContainsKey(updateIceCream.IceCreamId))
{
updateIceCream.Count = model.ShopIceCreams[updateIceCream.IceCreamId].Item2;
model.ShopIceCreams.Remove(updateIceCream.IceCreamId);
}
}
context.SaveChanges();
}
var shop = context.Shops.First(x => x.Id == Id);
foreach (var ic in model.ShopIceCreams)
{
context.ShopIceCreams.Add(new ShopIceCream
{
Shop = shop,
IceCream = context.IceCreams.First(x => x.Id == ic.Key),
Count = ic.Value.Item2
});
context.SaveChanges();
}
_shopIceCreams = null;
}
}
}