PIbd-23-Radaev-A.V.-GiftShop/GiftShop/GiftShopFileImplement/Models/Gift.cs
Arkadiy Radaev 44fa88599e res8
2024-05-17 13:28:57 +04:00

102 lines
3.3 KiB
C#

using GiftShopContracts.BindingModels;
using GiftShopContracts.ViewModels;
using GiftShopDataModels.Models;
using System.Runtime.Serialization;
using System.Xml.Linq;
namespace GiftShopFileImplement.Models
{
[DataContract]
public class Gift : IGiftModel
{
[DataMember]
public int Id { get; private set; }
[DataMember]
public string GiftName { get; private set; } = string.Empty;
[DataMember]
public double Price { get; private set; }
public Dictionary<int, int> Components { get; private set; } = new();
private Dictionary<int, (IComponentModel, int)>? _giftComponents = null;
[DataMember]
public Dictionary<int, (IComponentModel, int)> GiftComponents
{
get
{
if (_giftComponents == null)
{
var source = DataFileSingleton.GetInstance();
_giftComponents = Components.ToDictionary(x => x.Key,
y => ((source.Components.FirstOrDefault(z => z.Id == y.Key)
as IComponentModel)!, y.Value));
}
return _giftComponents;
}
}
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);
_giftComponents = 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()));
}
}