PIbd-23_Nevaeva_K.A._Travel.../TravelCompany/TravelCompanyFileImplement/Models/Travel.cs

100 lines
3.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
using TravelCompanyContracts.BindingModels;
using TravelCompanyContracts.ViewModels;
using TravelCompanyDataModels.Models;
namespace TravelCompanyFileImplement.Models
{
[DataContract]
public class Travel : ITravelModel
{
[DataMember]
public int Id { get; private set; }
[DataMember]
public string TravelName { get; private set; } = string.Empty;
[DataMember]
public double Price { get; private set; }
[DataMember]
public Dictionary<int, int> Conditions { get; private set; } = new();
private Dictionary<int, (IConditionModel, int)>? _travelConditions = null;
public Dictionary<int, (IConditionModel, int)> TravelConditions
{
get
{
if (_travelConditions == null)
{
var source = DataFileSingleton.GetInstance();
_travelConditions = Conditions.ToDictionary(x => x.Key, y => ((source.Conditions.FirstOrDefault(z => z.Id == y.Key) as IConditionModel)!,y.Value));
}
return _travelConditions;
}
}
public static Travel? Create(TravelBindingModel model)
{
if (model == null)
{
return null;
}
return new Travel()
{
Id = model.Id,
TravelName = model.TravelName,
Price = model.Price,
Conditions = model.TravelConditions.ToDictionary(x => x.Key, x=> x.Value.Item2)
};
}
public static Travel? Create(XElement element)
{
if (element == null)
{
return null;
}
return new Travel()
{
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
TravelName = element.Element("TravelName")!.Value,
Price = Convert.ToDouble(element.Element("Price")!.Value),
Conditions = element.Element("TravelConditions")!.Elements("TravelCondition").ToDictionary(x =>Convert.ToInt32(x.Element("Key")?.Value), x =>Convert.ToInt32(x.Element("Value")?.Value))
};
}
public void Update(TravelBindingModel model)
{
if (model == null)
{
return;
}
TravelName = model.TravelName;
Price = model.Price;
Conditions = model.TravelConditions.ToDictionary(x => x.Key, x =>x.Value.Item2);
_travelConditions = null;
}
public TravelViewModel GetViewModel => new()
{
Id = Id,
TravelName = TravelName,
Price = Price,
TravelConditions = TravelConditions
};
public XElement GetXElement => new("Travel",
new XAttribute("Id", Id),
new XElement("TravelName", TravelName),
new XElement("Price", Price.ToString()),
new XElement("TravelConditions", Conditions.Select(x =>
new XElement("TravelCondition",
new XElement("Key", x.Key),
new XElement("Value", x.Value)))
.ToArray()));
}
}