PIbd-22_Razzhivin_A.S._Gift.../GiftShop/GiftShopFileImplement/Models/Gift.cs

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C#
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2023-06-04 03:43:08 +04:00
using GiftShopContracts.BindingModels;
using GiftShopContracts.ViewModels;
using GiftShopDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
namespace GiftShopFileImplement.Models
{
public class Gift : IGiftModel
{
public int Id { get; private set; }
public string GiftName { 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)>? _productComponents =
null;
public Dictionary<int, (IComponentModel, int)> GiftComponents
{
get
{
if (_productComponents == null)
{
var source = DataFileSingleton.GetInstance();
_productComponents = Components.ToDictionary(x => x.Key, y =>
((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
y.Value));
}
return _productComponents;
}
}
public static Gift? Create(GiftBindingModel model)
{
if (model == null)
{
return null;
}
return new Gift()
{
Id = model.Id,
GiftName = model.GiftName,
Price = model.Price,
Components = model.GiftComponents.ToDictionary(x => x.Key, x
=> x.Value.Item2)
};
}
public static Gift? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Gift()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
GiftName = element.Element("GiftName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Components =
element.Element("GiftComponents")!.Elements("GiftComponent")
.ToDictionary(x =>
Convert.ToInt32(x.Element("Key")?.Value), x =>
Convert.ToInt32(x.Element("Value")?.Value))
};
}
public void Update(GiftBindingModel model)
{
if (model == null)
{
return;
}
GiftName = model.GiftName;
Price = model.Price;
Components = model.GiftComponents.ToDictionary(x => x.Key, x =>
x.Value.Item2);
_productComponents = null;
}
public GiftViewModel GetViewModel => new()
{
Id = Id,
GiftName = GiftName,
Price = Price,
GiftComponents = GiftComponents
};
public XElement GetXElement => new("Gift",
new XAttribute("Id", Id),
new XElement("GiftName", GiftName),
new XElement("Price", Price.ToString()),
new XElement("GiftComponents", Components.Select(x =>
new XElement("GiftComponent",
new XElement("Key", x.Key),
new XElement("Value", x.Value)))
.ToArray()));
}
}