109 lines
3.7 KiB
C#
109 lines
3.7 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using System.Threading.Tasks;
|
||
using System.ComponentModel.DataAnnotations.Schema;
|
||
using System.ComponentModel.DataAnnotations;
|
||
using FoodOrdersDataModels.Models;
|
||
using FoodOrdersContracts.BindingModels;
|
||
using FoodOrdersContracts.ViewModels;
|
||
using System.Runtime.Serialization;
|
||
|
||
namespace FoodOrdersDatabaseImplement.Models
|
||
{
|
||
[DataContract]
|
||
public class Dish : IDishModel
|
||
{
|
||
[DataMember]
|
||
public int Id { get; private set; }
|
||
|
||
[DataMember]
|
||
[Required]
|
||
public string DishName { get; private set; } = string.Empty;
|
||
|
||
[DataMember]
|
||
[Required]
|
||
public double Price { get; private set; }
|
||
|
||
private Dictionary<int, (IComponentModel, int)>? _dishComponents = null;
|
||
|
||
[DataMember]
|
||
[NotMapped]
|
||
public Dictionary<int, (IComponentModel, int)> DishComponents
|
||
{
|
||
get
|
||
{
|
||
if (_dishComponents == null)
|
||
{
|
||
_dishComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
|
||
}
|
||
return _dishComponents;
|
||
}
|
||
}
|
||
|
||
[ForeignKey("DishId")]
|
||
public virtual List<DishComponent> Components { get; set; } = new();
|
||
[ForeignKey("DishId")]
|
||
public virtual List<Order> Orders { get; set; } = new();
|
||
|
||
public static Dish? Create(FoodOrdersDatabase context, DishBindingModel model)
|
||
{
|
||
var components = context.Components;
|
||
return new Dish()
|
||
{
|
||
Id = model.Id,
|
||
DishName = model.DishName,
|
||
Price = model.Price,
|
||
Components = model.DishComponents.Select(x => new DishComponent
|
||
{
|
||
Component = context.Components.First(y => y.Id == x.Key),
|
||
Count = x.Value.Item2
|
||
}).ToList()
|
||
};
|
||
}
|
||
|
||
public void Update(DishBindingModel model)
|
||
{
|
||
DishName = model.DishName;
|
||
Price = model.Price;
|
||
}
|
||
public DishViewModel GetViewModel => new()
|
||
{
|
||
Id = Id,
|
||
DishName = DishName,
|
||
Price = Price,
|
||
DishComponents = DishComponents
|
||
};
|
||
|
||
public void UpdateComponents(FoodOrdersDatabase context, DishBindingModel model)
|
||
{
|
||
var dishComponents = context.DishComponents.Where(rec => rec.DishId == model.Id).ToList();
|
||
if (dishComponents != null && DishComponents.Count > 0)
|
||
{ // удалили те, которых нет в модели
|
||
context.DishComponents.RemoveRange(dishComponents.Where(rec => !model.DishComponents.ContainsKey(rec.ComponentId)));
|
||
context.SaveChanges();
|
||
// обновили количество у существующих записей
|
||
foreach (var updateComponent in dishComponents)
|
||
{
|
||
updateComponent.Count = model.DishComponents[updateComponent.ComponentId].Item2;
|
||
model.DishComponents.Remove(updateComponent.ComponentId);
|
||
}
|
||
context.SaveChanges();
|
||
}
|
||
var dish = context.Dishs.First(x => x.Id == Id);
|
||
foreach (var pc in model.DishComponents)
|
||
{
|
||
context.DishComponents.Add(new DishComponent
|
||
{
|
||
Dish = dish,
|
||
Component = context.Components.First(x => x.Id == pc.Key),
|
||
Count = pc.Value.Item2
|
||
});
|
||
context.SaveChanges();
|
||
}
|
||
_dishComponents = null;
|
||
}
|
||
}
|
||
}
|