102 lines
3.8 KiB
C#
102 lines
3.8 KiB
C#
using AbstractIceCreamShopDataModels.Models;
|
||
using IceCreamShopContracts.BindingModels;
|
||
using IceCreamShopContracts.ViewModels;
|
||
using System.ComponentModel.DataAnnotations;
|
||
using System.ComponentModel.DataAnnotations.Schema;
|
||
|
||
namespace IceCreamShopDatabaseImplement.Models
|
||
{
|
||
public class IceCream : IIceCreamModel
|
||
{
|
||
public int Id { get; set; }
|
||
|
||
[Required]
|
||
public string IceCreamName { get; set; } = string.Empty;
|
||
|
||
[Required]
|
||
public double Price { get; set; }
|
||
|
||
private Dictionary<int, (IComponentModel, int)>? _iceCreamComponents = null;
|
||
|
||
[NotMapped]
|
||
public Dictionary<int, (IComponentModel, int)> IceCreamComponents
|
||
{
|
||
get
|
||
{
|
||
if (_iceCreamComponents == null)
|
||
{
|
||
_iceCreamComponents = Components
|
||
.ToDictionary(recPC => recPC.ComponentId,
|
||
recPC => (recPC.Component as IComponentModel, recPC.Count));
|
||
}
|
||
return _iceCreamComponents;
|
||
}
|
||
}
|
||
|
||
[ForeignKey("IceCreamId")]
|
||
public virtual List<IceCreamComponent> Components { get; set; } = new();
|
||
|
||
[ForeignKey("IceCreamId")]
|
||
public virtual List<Order> Orders { get; set; } = new();
|
||
[ForeignKey("IceCreamId")]
|
||
public virtual List<Shop> Shops { get; set; } = new();
|
||
|
||
public static IceCream Create(IceCreamShopDatabase context, IceCreamBindingModel model)
|
||
{
|
||
return new IceCream()
|
||
{
|
||
Id = model.Id,
|
||
IceCreamName = model.IceCreamName,
|
||
Price = model.Price,
|
||
Components = model.IceCreamComponents.Select(x => new IceCreamComponent
|
||
{
|
||
Component = context.Components.First(y => y.Id == x.Key),
|
||
Count = x.Value.Item2
|
||
}).ToList()
|
||
};
|
||
}
|
||
|
||
public void Update(IceCreamBindingModel model)
|
||
{
|
||
IceCreamName = model.IceCreamName;
|
||
Price = model.Price;
|
||
}
|
||
|
||
public IceCreamViewModel GetViewModel => new()
|
||
{
|
||
Id = Id,
|
||
IceCreamName = IceCreamName,
|
||
Price = Price,
|
||
IceCreamComponents = IceCreamComponents
|
||
};
|
||
|
||
public void UpdateComponents(IceCreamShopDatabase context, IceCreamBindingModel model)
|
||
{
|
||
var iceCreamComponents = context.IceCreamComponents.Where(rec => rec.IceCreamId == model.Id).ToList();
|
||
if (iceCreamComponents != null && iceCreamComponents.Count > 0)
|
||
{ // удалили те, которых нет в модели
|
||
context.IceCreamComponents.RemoveRange(iceCreamComponents.Where(rec => !model.IceCreamComponents.ContainsKey(rec.ComponentId)));
|
||
context.SaveChanges();
|
||
// обновили количество у существующих записей
|
||
foreach (var updateComponent in iceCreamComponents)
|
||
{
|
||
updateComponent.Count = model.IceCreamComponents[updateComponent.ComponentId].Item2;
|
||
model.IceCreamComponents.Remove(updateComponent.ComponentId);
|
||
}
|
||
context.SaveChanges();
|
||
}
|
||
var iceCream = context.IceCreams.First(x => x.Id == Id);
|
||
foreach (var pc in model.IceCreamComponents)
|
||
{
|
||
context.IceCreamComponents.Add(new IceCreamComponent
|
||
{
|
||
IceCream = iceCream,
|
||
Component = context.Components.First(x => x.Id == pc.Key),
|
||
Count = pc.Value.Item2
|
||
});
|
||
context.SaveChanges();
|
||
}
|
||
_iceCreamComponents = null;
|
||
}
|
||
}
|
||
} |