PIbd-21_Bakalskaya_E.D._Sus.../SushiBarDatabaseImplement/Models/Sushi.cs

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C#
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using SushiBarDataModels.Models;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using SushiBarContracts.BindingModel;
using SushiBarContracts.ViewModels;
namespace SushiBarDatabaseImplement.Models
{
public class Sushi : ISushiModel
{
public int Id { get; set; }
[Required]
public string SushiName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
private Dictionary<int, (IComponentModel, int)>? _sushiComponents = null;
[NotMapped]
public Dictionary<int, (IComponentModel, int)> SushiComponents
{
get
{
if (_sushiComponents == null)
{
_sushiComponents = Components
.ToDictionary(recPC => recPC.ComponentId, recPC =>
(recPC.Component as IComponentModel, recPC.Count));
}
return _sushiComponents;
}
}
[ForeignKey("SushiId")]
public virtual List<SushiComponent> Components { get; set; } = new();
[ForeignKey("SushiId")]
public virtual List<Order> Orders { get; set; } = new();
public static Sushi Create(SushiBarDatabase context, SushiBindingModel model)
{
return new Sushi()
{
Id = model.Id,
SushiName = model.SushiName,
Price = model.Price,
Components = model.SushiComponents.Select(x => new SushiComponent
{
Component = context.Components.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(SushiBindingModel model)
{
SushiName = model.SushiName;
Price = model.Price;
}
public SushiViewModel GetViewModel => new()
{
Id = Id,
SushiName = SushiName,
Price = Price,
SushiComponents = SushiComponents
};
public void UpdateComponents(SushiBarDatabase context, SushiBindingModel model)
{
var SushiComponents = context.SushiComponents.Where(rec => rec.SushiId == model.Id).ToList();
if (SushiComponents != null && SushiComponents.Count > 0)
{ // удалили те, которых нет в модели
context.SushiComponents.RemoveRange(SushiComponents.Where(rec
=> !model.SushiComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();
// обновили количество у существующих записей
foreach (var updateComponent in SushiComponents)
{
updateComponent.Count = model.SushiComponents[updateComponent.ComponentId].Item2;
model.SushiComponents.Remove(updateComponent.ComponentId);
}
context.SaveChanges();
}
var Sushi = context.Sushis.First(x => x.Id == Id);
foreach (var pc in model.SushiComponents)
{
context.SushiComponents.Add(new SushiComponent
{
Sushi = Sushi,
Component = context.Components.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_sushiComponents = null;
}
}
}