aleksandr chegodaev 38f0e3fcd5 lab3
2024-04-13 02:17:11 +04:00

104 lines
3.4 KiB
C#

using LawFirmContracts.BindingModels;
using LawFirmContracts.ViewModels;
using LawFirmDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace LawFirmDatabaseImplement.Models
{
public class Law : ILawModel
{
public int Id { get; set; }
[Required]
public string LawName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
private Dictionary<int, (IComponentModel, int)>? _LawComponents =
null;
[NotMapped]
public Dictionary<int, (IComponentModel, int)> LawComponents
{
get
{
if (_LawComponents == null)
{
_LawComponents = Components
.ToDictionary(recPC => recPC.ComponentId, recPC =>
(recPC.Component as IComponentModel, recPC.Count));
}
return _LawComponents;
}
}
[ForeignKey("LawId")]
public virtual List<LawComponent> Components { get; set; } = new();
[ForeignKey("LawId")]
public virtual List<Order> Orders { get; set; } = new();
public static Law Create(LawFirmDataBase context,
LawBindingModel model)
{
return new Law()
{
Id = model.Id,
LawName = model.LawName,
Price = model.Price,
Components = model.LawComponents.Select(x => new
LawComponent
{
Component = context.Components.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(LawBindingModel model)
{
LawName = model.LawName;
Price = model.Price;
}
public LawViewModel GetViewModel => new()
{
Id = Id,
LawName = LawName,
Price = Price,
LawComponents = LawComponents
};
public void UpdateComponents(LawFirmDataBase context,
LawBindingModel model)
{
var LawComponents = context.LawComponents.Where(rec =>
rec.LawId == model.Id).ToList();
if (LawComponents != null && LawComponents.Count > 0)
{
context.LawComponents.RemoveRange(LawComponents.Where(rec
=> !model.LawComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();
foreach (var updateComponent in LawComponents)
{
updateComponent.Count =
model.LawComponents[updateComponent.ComponentId].Item2;
model.LawComponents.Remove(updateComponent.ComponentId);
}
context.SaveChanges();
}
var Law = context.Laws.First(x => x.Id == Id);
foreach (var pc in model.LawComponents)
{
context.LawComponents.Add(new LawComponent
{
Law = Law,
Component = context.Components.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_LawComponents = null;
}
}
}