PIbd-21_Potapov_N.S._Securi.../SecuritySystem/SecuritySystemDatabaseImplement/Models/Secure.cs

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using SecuritySystemDataModels.Models;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using SecuritySystemContracts.BindingModels;
using SecuritySystemContracts.ViewModels;
namespace SecuritySystemDatabaseImplement.Models
{
public class Secure : ISecureModel
{
public int Id { get; set; }
[Required]
public string SecureName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
private Dictionary<int, (IComponentModel, int)>? _productComponents =
null;
[NotMapped]
public Dictionary<int, (IComponentModel, int)> SecureComponents
{
get
{
if (_productComponents == null)
{
_productComponents = Components
.ToDictionary(recPC => recPC.ComponentId, recPC =>
(recPC.Component as IComponentModel, recPC.Count));
}
return _productComponents;
}
}
[ForeignKey("SecureId")]
public virtual List<SecureComponent> Components { get; set; } = new();
[ForeignKey("SecureId")]
public virtual List<Order> Orders { get; set; } = new();
public static Secure Create(SecuritySystemDatabase context, SecureBindingModel model)
{
return new Secure()
{
Id = model.Id,
SecureName = model.SecureName,
Price = model.Price,
Components = model.SecureComponents.Select(x => new
SecureComponent
{
Component = context.Components.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(SecureBindingModel model)
{
SecureName = model.SecureName;
Price = model.Price;
}
public SecureViewModel GetViewModel => new()
{
Id = Id,
SecureName = SecureName,
Price = Price,
SecureComponents = SecureComponents
};
public void UpdateComponents(SecuritySystemDatabase context,
SecureBindingModel model)
{
var productComponents = context.SecureComponents.Where(rec =>
rec.SecureId == model.Id).ToList();
if (productComponents != null && productComponents.Count > 0)
{ // удалили те, которых нет в модели
context.SecureComponents.RemoveRange(productComponents.Where(rec
=> !model.SecureComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();
// обновили количество у существующих записей
foreach (var updateComponent in productComponents)
{
updateComponent.Count =
model.SecureComponents[updateComponent.ComponentId].Item2;
model.SecureComponents.Remove(updateComponent.ComponentId);
}
context.SaveChanges();
}
var product = context.Secures.First(x => x.Id == Id);
foreach (var pc in model.SecureComponents)
{
context.SecureComponents.Add(new SecureComponent
{
Secure = product,
Component = context.Components.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_productComponents = null;
}
}
}