96 lines
3.2 KiB
C#
96 lines
3.2 KiB
C#
using GiftShopContracts.BindingModels;
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using GiftShopContracts.ViewModels;
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using GiftShopDataModels.Models;
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using System.Xml.Linq;
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namespace GiftShopFileImplement.Models
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{
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internal class Gift : IGiftModel
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{
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public int Id { get; private set; }
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public string GiftName { get; private set; } = string.Empty;
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public double Price { get; private set; }
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public Dictionary<int, int> Components { get; private set; } = new();
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private Dictionary<int, (IComponentModel, int)>? _giftComponents = null;
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public Dictionary<int, (IComponentModel, int)> GiftComponents
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{
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get
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{
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if (_giftComponents == null)
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{
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var source = DataFileSingleton.GetInstance();
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_giftComponents = Components.ToDictionary(x => x.Key,
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y => ((source.Components.FirstOrDefault(z => z.Id == y.Key)
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as IComponentModel)!, y.Value));
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}
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return _giftComponents;
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}
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}
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public static Gift? Create(GiftBindingModel? 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 Gift()
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{
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Id = model.Id,
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GiftName = model.GiftName,
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Price = model.Price,
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Components = model.GiftComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
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};
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}
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public static Gift? 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 Gift()
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{
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Id = Convert.ToInt32(element.Attribute("Id")!.Value),
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GiftName = element.Element("GiftName")!.Value,
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Price = Convert.ToDouble(element.Element("Price")!.Value),
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Components = element.Element("GiftComponents")!.Elements("GiftComponent").ToDictionary
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(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(GiftBindingModel? 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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GiftName = model.GiftName;
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Price = model.Price;
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Components = model.GiftComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
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_giftComponents = null;
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}
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public GiftViewModel GetViewModel => new()
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{
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Id = Id,
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GiftName = GiftName,
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Price = Price,
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GiftComponents = GiftComponents
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};
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public XElement GetXElement => new("Gift",
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new XAttribute("Id", Id),
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new XElement("GiftName", GiftName),
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new XElement("Price", Price.ToString()),
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new XElement("GiftComponents", Components.Select(x => new XElement("GiftComponent",
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new XElement("Key", x.Key),
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new XElement("Value", x.Value)))
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.ToArray()));
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}
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}
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