PIbd-23_Kharlamov_A.A._Food.../FoodOrders/AbstractShopFileImplement/Models/Dish.cs

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using AbstractFoodOrdersContracts.BindingModels;
using AbstractFoodOrdersContracts.ViewModels;
using AbstractFoodOrdersDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
namespace AbstractFoodOrdersFileImplement.Models
{
public class Dish : IDishModel
{
public int Id { get; private set; }
public string DishName { get; private set; } = string.Empty;
public double Price { get; private set; }
public Dictionary<int, int> Components { get; private set; } = new();
private Dictionary<int, (IComponentModel, int)>? _dishComponents =
null;
public Dictionary<int, (IComponentModel, int)> DishComponents
{
get
{
if (_dishComponents == null)
{
var source = DataFileSingleton.GetInstance();
_dishComponents = Components.ToDictionary(x => x.Key, y =>
((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
y.Value));
}
return _dishComponents;
}
}
public static Dish? Create(DishBindingModel model)
{
if (model == null)
{
return null;
}
return new Dish()
{
Id = model.Id,
DishName = model.DishName,
Price = model.Price,
Components = model.DishComponents.ToDictionary(x => x.Key, x
=> x.Value.Item2)
};
}
public static Dish? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Dish()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
DishName = element.Element("DishName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Components =
element.Element("DishComponents")!.Elements("DishComponent")
.ToDictionary(x =>
Convert.ToInt32(x.Element("Key")?.Value), x =>
Convert.ToInt32(x.Element("Value")?.Value))
};
}
public void Update(DishBindingModel model)
{
if (model == null)
{
return;
}
DishName = model.DishName;
Price = model.Price;
Components = model.DishComponents.ToDictionary(x => x.Key, x =>
x.Value.Item2);
_dishComponents = null;
}
public DishViewModel GetViewModel => new()
{
Id = Id,
DishName = DishName,
Price = Price,
DishComponents = DishComponents
};
public XElement GetXElement => new("Dish",
new XAttribute("Id", Id),
new XElement("DishName", DishName),
new XElement("Price", Price.ToString()),
new XElement("DishComponents", Components.Select(x =>
new XElement("DishComponent",
new XElement("Key", x.Key),
new XElement("Value", x.Value)))
.ToArray()));
}
}