PIbd-21_Rodionov_I.A._IceCr.../IceCreamShop/IceCreamShopFileImplement/Models/IceCream.cs

101 lines
3.5 KiB
C#

using IceCreamShopContracts.BindingModels;
using IceCreamShopContracts.ViewModels;
using IceCreamShopDataModels.Models;
using System.Runtime.Serialization;
using System.Xml.Linq;
namespace IceCreamShopFileImplement.Models
{
[DataContract]
public class IceCream : IIceCreamModel
{
[DataMember]
public int Id { get; private set; }
[DataMember]
public string IceCreamName { 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)>? _iceCreamComponents = null;
[DataMember]
public Dictionary<int, (IComponentModel, int)> IceCreamComponents
{
get
{
if (_iceCreamComponents == null)
{
var source = DataFileSingleton.GetInstance();
_iceCreamComponents = Components.ToDictionary(x => x.Key,
y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
}
return _iceCreamComponents;
}
}
public static IceCream? Create(IceCreamBindingModel? model)
{
if (model == null)
{
return null;
}
return new IceCream()
{
Id = model.Id,
IceCreamName = model.IceCreamName,
Price = model.Price,
Components = model.IceCreamComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
};
}
public static IceCream? Create(XElement element)
{
if (element == null)
{
return null;
}
return new IceCream()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
IceCreamName = element.Element("IceCreamName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Components = element.Element("IceCreamComponents")!.Elements("IceCreamComponent")
.ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
};
}
public void Update(IceCreamBindingModel? model)
{
if (model == null)
{
return;
}
IceCreamName = model.IceCreamName;
Price = model.Price;
Components = model.IceCreamComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
_iceCreamComponents = null;
}
public IceCreamViewModel GetViewModel => new()
{
Id = Id,
IceCreamName = IceCreamName,
Price = Price,
IceCreamComponents = IceCreamComponents
};
public XElement GetXElement => new("IceCream",
new XAttribute("Id", Id),
new XElement("IceCreamName", IceCreamName),
new XElement("Price", Price.ToString()),
new XElement("IceCreamComponents",
Components.Select(x => new XElement("IceCreamComponent",
new XElement("Key", x.Key),
new XElement("Value", x.Value))).ToArray()));
}
}