ISEbd-21.Fedotov.I.A.Diner/Diner/DinerShopImplement/Models/Food.cs

using DinerContracts.BindingModels;
using DinerContracts.ViewModels;
using DinerDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace DinerFileImplement.Models
{
    internal class Food : IFoodModel
    {
        public string ComponentName { get; set; } = string.Empty;

        public double Price { get; set; }

        public int ID { get; set; }

        public static Food? Create(FoodBindingModel? model)
        {
            if (model == null) return null;
            return new Food()
            {
                ID = model.ID,
                ComponentName = model.ComponentName,
                Price = model.Price,
            };
        }
        public static Food? Create(XElement element) {
            if (element == null) return null;
            return new Food()
            {
                ID = Convert.ToInt32(element.Attribute("ID")!.Value),
                ComponentName = element.Element("ComponentName")!.Value,
                Price = Convert.ToDouble(element.Element("Price")!.Value)
            };
        }
        public void Update(FoodBindingModel? model)
        {
            if (model == null) return;
            ComponentName = model.ComponentName;
            Price = model.Price;
        }
        public FoodViewModel GetViewModel => new()
        {
            ID = ID,
            ComponentName = ComponentName,
            Price = Price,
        };

        public XElement GetXElement => new("Food", new XAttribute("ID", ID),
                                            new XElement("ComponentName", ComponentName),
                                            new XElement("Price", Price.ToString()));
    }
}