PIbd-21_Belianin_N.N._Furni.../FurnitureAssembly/FurnitureAssemblyFileImplement/Models/Furniture.cs

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C#
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using FurnitureAssemblyContracts.BindingModels;
using FurnitureAssemblyContracts.ViewModels;
using FurnitureAssemblyDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
namespace FurnitureAssemblyFileImplement.Models
{
// Класс, реализующий интерфейс модели изделия
public class Furniture : IFurnitureModel
{
public int Id { get; private set; }
public string FurnitureName { get; private set; } = string.Empty;
public double Price { get; private set; }
public Dictionary<int, int> WorkPieces { get; private set; } = new();
private Dictionary<int, (IWorkPieceModel, int)>? _furnitureWorkPieces = null;
public Dictionary<int, (IWorkPieceModel, int)> FurnitureWorkPieces
{
get
{
if (_furnitureWorkPieces == null)
{
var source = DataFileSingleton.GetInstance();
_furnitureWorkPieces = WorkPieces.ToDictionary(x => x.Key,
y => ((source.WorkPieces.FirstOrDefault(z => z.Id == y.Key) as IWorkPieceModel)!, y.Value));
}
return _furnitureWorkPieces;
}
}
public static Furniture? Create(FurnitureBindingModel model)
{
if (model == null)
{
return null;
}
return new Furniture()
{
Id = model.Id,
FurnitureName = model.FurnitureName,
Price = model.Price,
WorkPieces = model.FurnitureWorkPieces.ToDictionary(x => x.Key, x => x.Value.Item2)
};
}
public static Furniture? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Furniture()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
FurnitureName = element.Element("FurnitureName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
WorkPieces = element.Element("FurnitureWorkPieces")!.Elements("FurnitureWorkPieces").ToDictionary(
x => Convert.ToInt32(x.Element("Key")?.Value),
y => Convert.ToInt32(y.Element("Value")?.Value))
};
}
public void Update(FurnitureBindingModel model)
{
if (model == null)
{
return;
}
FurnitureName = model.FurnitureName;
Price = model.Price;
WorkPieces = model.FurnitureWorkPieces.ToDictionary(x => x.Key, x => x.Value.Item2);
_furnitureWorkPieces = null;
}
public FurnitureViewModel GetViewModel => new()
{
Id = Id,
FurnitureName = FurnitureName,
Price = Price,
FurnitureWorkPieces = FurnitureWorkPieces
};
public XElement GetXElement => new("Furniture",
new XAttribute("Id", Id),
new XElement("FurnitureName", FurnitureName),
new XElement("Price", Price.ToString()),
new XElement("FurnitureWorkPieces", WorkPieces.Select(
x => new XElement("FurnitureWorkPieces",
new XElement("Key", x.Key),
new XElement("Value", x.Value))
).ToArray()));
}
}