PIbd-21_Bakalskaya_E.D._Sus.../SushiBarFileImplement/Models/Sushi.cs

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C#
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using SushiBarContracts.BindingModel;
using SushiBarContracts.ViewModels;
using SushiBarDataModels.Models;
using System.Xml.Linq;
namespace SushiBarFileImplement.Models
{
public class Sushi : ISushiModel
{
public int Id { get; private set; }
public string SushiName { 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)>? _sushiComponents = null;
public Dictionary<int, (IComponentModel, int)> SushiComponents
{
get
{
if (_sushiComponents == null)
{
var source = DataFileSingleton.GetInstance();
_sushiComponents = Components.ToDictionary(x => x.Key, y =>
((source.Components.FirstOrDefault(z => z.Id == y.Key)
as IComponentModel)!, y.Value)
);
}
return _sushiComponents;
}
}
public static Sushi? Create(SushiBindingModel model)
{
if (model == null)
{
return null;
}
return new Sushi()
{
Id = model.Id,
SushiName = model.SushiName,
Price = model.Price,
Components = model.SushiComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
};
}
public static Sushi? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Sushi()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
SushiName = element.Element("SushiName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Components = element.Element("SushiComponents")!.Elements("SushiComponent").ToDictionary(x =>
Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
};
}
public void Update(SushiBindingModel model)
{
if (model == null)
{
return;
}
SushiName = model.SushiName;
Price = model.Price;
Components = model.SushiComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
_sushiComponents = null;
}
public SushiViewModel GetViewModel => new()
{
Id = Id,
SushiName = SushiName,
Price = Price,
SushiComponents = SushiComponents
};
public XElement GetXElement =>
new("Sushi",
new XAttribute("Id", Id),
new XElement("SushiName", SushiName),
new XElement("Price", Price.ToString()),
new XElement("SushiComponents", Components.Select(x =>
new XElement("SushiComponent",
new XElement("Key", x.Key),
new XElement("Value", x.Value))).ToArray()
)
);
}
}