product

JewelryStoreFileImplement/Models/Jewel.cs

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+using JewelryStoreDataModels.Models;
+using JewelryStoreContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using JewelryStoreContracts.BindingModels;
+using System.Xml.Linq;
+
+namespace JewelryStoreFileImplement.Models
+{
+    public class Jewel: IJewelModel
+    {
+        public int Id { get; private set; }
+        public string JewelName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, int> Components { get; private set; } = new();
+        private Dictionary<int, (IComponentModel, int)>? _productComponents = null;
+
+        public Dictionary<int, (IComponentModel, int)> JewelComponents
+        {
+            get
+            {
+                if (_productComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _productComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
+                    y.Value));
+                }
+                return _productComponents;
+            }
+        }
+
+        public static Jewel? Create(JewelBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Jewel()
+            {
+                Id = model.Id,
+                JewelName = model.JewelName,
+                Price = model.Price,
+                Components = model.JewelComponents.ToDictionary(x => x.Key, x
+               => x.Value.Item2)
+            };
+        }
+
+        public static Jewel? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Jewel()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                JewelName = element.Element("JewelName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components =
+           element.Element("JewelComponents")!.Elements("JewelComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x =>
+           Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(JewelBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            JewelName = model.JewelName;
+            Price = model.Price;
+            Components = model.JewelComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _productComponents = null;
+        }
+        public JewelViewModel GetViewModel => new()
+        {
+            Id = Id,
+            JewelName = JewelName,
+            Price = Price,
+            JewelComponents = JewelComponents
+        };
+        public XElement GetXElement => new("Jewel",
+                new XAttribute("Id", Id),
+                new XElement("JewelName", JewelName),
+                new XElement("Price", Price.ToString()),
+                new XElement("JewelComponents", Components.Select(x =>new XElement("JewelComponent",new XElement("Key", x.Key),
+                    new XElement("Value", x.Value))).ToArray()));
+
+    }
+}