SUBD_5_lab/SushiBarDatabaseImplement/Models/Sushi.cs
2024-04-01 00:12:32 +04:00

102 lines
3.4 KiB
C#

using SushiBarDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SushiBarContracts.BindingModels;
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)
{
context.SushiComponents.RemoveRange(sushiComponents.Where(rec => !model.SushiComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();
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;
}
}
}