PIbd-21_Putincev_D.M._FoodO.../FoodOrders/FoodOrdersFileImplement/Models/Dish.cs

101 lines
3.3 KiB
C#

using FoodOrdersContracts.BindingModels;
using FoodOrdersContracts.ViewModels;
using FoodOrdersDataModels.Models;
using System.Runtime.Serialization;
using System.Xml.Linq;
namespace FoodOrdersFileImplement.Models
{
[DataContract]
public class Dish : IDishModel
{
[DataMember]
public int Id { get; private set; }
[DataMember]
public string DishName { get; private set; } = string.Empty;
[DataMember]
public double Price { get; private set; }
public Dictionary<int, int> Components { get; private set; } = new();
private Dictionary<int, (IComponentModel, int)>? _DishComponents = null;
[DataMember]
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()));
}
}