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