95 lines
3.5 KiB
C#
95 lines
3.5 KiB
C#
using FoodOrdersContracts.BindingModels;
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using FoodOrdersContracts.ViewModels;
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using FoodOrdersDataModels.Models;
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using FoodOrdersFileImplement;
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using System.Xml.Linq;
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namespace FoodOrdersFileImplement.Models
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{
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public class Dish : IDishModel
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{
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public int Id { get; private set; }
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public string DishName { get; private set; } = string.Empty;
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public double Price { get; private set; }
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//словарь для файла, так как нам в файле нужно хранить просто id компонента и его количество
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public Dictionary<int, int> Components { get; private set; } = new();
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private Dictionary<int, (IComponentModel, int)>? _dishComponents = null;
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public Dictionary<int, (IComponentModel, int)> DishComponents
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{
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get
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{
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if (_dishComponents == null)
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{
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var _source = DataFileSingleton.GetInstance();
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_dishComponents = Components.ToDictionary(x => x.Key, y => ((_source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
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}
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return _dishComponents;
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}
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}
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public static Dish? Create(DishBindingModel model)
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{
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if (model == null)
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{
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return null;
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}
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return new Dish()
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{
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Id = model.Id,
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DishName = model.DishName,
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Price = model.Price,
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Components = model.DishComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
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};
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}
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public static Dish? Create(XElement element)
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{
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if (element == null)
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{
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return null;
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}
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return new Dish()
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{
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Id = Convert.ToInt32(element.Attribute("Id")!.Value),
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DishName = element.Element("DishName")!.Value,
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Price = Convert.ToDouble(element.Element("Price")!.Value),
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Components = element.Element("DishComponents")!.Elements("DishComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
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};
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}
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public void Update(DishBindingModel model)
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{
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if (model == null)
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{
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return;
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}
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DishName = model.DishName;
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Price = model.Price;
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Components = model.DishComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
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//обнуляем словарь, чтобы в случае обновления, у нас был в дальнейшем сформирован актуальный словарь
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// с помощью get метода
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_dishComponents = null;
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}
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public DishViewModel GetViewModel => new()
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{
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Id = Id,
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DishName = DishName,
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Price = Price,
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DishComponents = DishComponents
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};
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public XElement GetXElement => new(
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"Dish",
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new XAttribute("Id", Id),
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new XElement("DishName", DishName),
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new XElement("Price", Price.ToString()),
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new XElement("DishComponents", Components.Select(x =>
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new XElement("DishComponent",
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new XElement("Key", x.Key),
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new XElement("Value", x.Value))).ToArray()
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)
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);
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}
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}
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