PIbd-23-Volkov-N.A.-Compute.../ComputersShop/ComputersShopFileImplement/Models/Computer.cs

96 lines
3.3 KiB
C#

using ComputersShopContracts.BindingModels;
using ComputersShopContracts.ViewModels;
using ComputersShopDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
namespace ComputersShopFileImplement.Models
{
public class Computer : IComputerModel
{
public int Id { get; private set; }
public string ComputerName { 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)>? _ComputerComponents = null;
public Dictionary<int, (IComponentModel, int)> ComputerComponents
{
get
{
if (_ComputerComponents == null)
{
var source = DataFileSingleton.GetInstance();
_ComputerComponents = Components.ToDictionary(x => x.Key, y =>
((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
y.Value));
}
return _ComputerComponents;
}
}
public static Computer? Create(ComputerBindingModel model)
{
if (model == null)
{
return null;
}
return new Computer()
{
Id = model.Id,
ComputerName = model.ComputerName,
Price = model.Price,
Components = model.ComputerComponents.ToDictionary(x => x.Key, x
=> x.Value.Item2)
};
}
public static Computer? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Computer()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
ComputerName = element.Element("ComputerName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Components =
element.Element("ComputerComponents")!.Elements("ComputerComponent")
.ToDictionary(x =>
Convert.ToInt32(x.Element("Key")?.Value), x =>
Convert.ToInt32(x.Element("Value")?.Value))
};
}
public void Update(ComputerBindingModel model)
{
if (model == null)
{
return;
}
ComputerName = model.ComputerName;
Price = model.Price;
Components = model.ComputerComponents.ToDictionary(x => x.Key, x =>
x.Value.Item2);
_ComputerComponents = null;
}
public ComputerViewModel GetViewModel => new()
{
Id = Id,
ComputerName = ComputerName,
Price = Price,
ComputerComponents = ComputerComponents
};
public XElement GetXElement => new("Computer",
new XAttribute("Id", Id),
new XElement("ComputerName", ComputerName),
new XElement("Price", Price.ToString()),
new XElement("ComputerComponents", Components.Select(x => new XElement("ComputerComponent", new XElement("Key", x.Key), new XElement("Value", x.Value)))
.ToArray()));
}
}