PIbd-21_MasenkinMS_Aircraft.../AircraftPlant/AircraftPlantFileImplement/Models/Plane.cs
2024-02-25 01:22:22 +04:00

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using AircraftPlantContracts.BindingModels;
using AircraftPlantContracts.ViewModels;
using AircraftPlantDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
namespace AircraftPlantFileImplement.Models
{
/// <summary>
/// Сущность "Изделие"
/// </summary>
public class Plane : IPlaneModel
{
/// <summary>
/// Идентификатор
/// </summary>
public int Id { get; private set; }
/// <summary>
/// Название изделия
/// </summary>
public string PlaneName { get; private set; } = string.Empty;
/// <summary>
/// Стоимость изделия
/// </summary>
public double Price { get; private set; }
/// <summary>
/// Коллекция компонентов изделия в виде
/// «идентификатор компонента количество компонентов»
/// </summary>
public Dictionary<int, int> Components { get; private set; } = new();
/// <summary>
/// Коллекция компонентов изделия
/// </summary>
private Dictionary<int, (IComponentModel, int)>? _planeComponents = null;
public Dictionary<int, (IComponentModel, int)> PlaneComponents
{
get
{
if (_planeComponents == null)
{
var source = DataFileSingleton.GetInstance();
_planeComponents = Components.ToDictionary(x => x.Key, y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
}
return _planeComponents;
}
}
/// <summary>
/// Создание модели изделия
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public static Plane? Create(PlaneBindingModel? model)
{
if (model == null)
{
return null;
}
return new Plane()
{
Id = model.Id,
PlaneName = model.PlaneName,
Price = model.Price,
Components = model.PlaneComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
};
}
/// <summary>
/// Создание модели изделия из данных файла
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
public static Plane? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Plane()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
PlaneName = element.Element("PlaneName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Components = element.Element("PlaneComponents")!.Elements("PlaneComponent")
.ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
};
}
/// <summary>
/// Изменение модели изделия
/// </summary>
/// <param name="model"></param>
public void Update(PlaneBindingModel? model)
{
if (model == null)
{
return;
}
PlaneName = model.PlaneName;
Price = model.Price;
Components = model.PlaneComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
_planeComponents = null;
}
/// <summary>
/// Получение модели изделия
/// </summary>
public PlaneViewModel GetViewModel => new()
{
Id = Id,
PlaneName = PlaneName,
Price = Price,
PlaneComponents = PlaneComponents
};
/// <summary>
/// Запись данных о модели изделия в файл
/// </summary>
public XElement GetXElement => new("Plane",
new XAttribute("Id", Id),
new XElement("PlaneName", PlaneName),
new XElement("Price", Price.ToString()),
new XElement("PlaneComponents", Components.Select(x =>
new XElement("PlaneComponent",
new XElement("Key", x.Key),
new XElement("Value", x.Value)))
.ToArray()));
}
}