lab1
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\ConfectioneryContracts\ConfectioneryContracts.csproj" />
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<ProjectReference Include="..\ConfectioneryDataModels\ConfectioneryDataModels.csproj" />
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</ItemGroup>
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</Project>
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using ConfectioneryFileImplement.Models;
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using System.Xml.Linq;
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namespace ConfectioneryFileImplement
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{
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internal class DataFileSingleton
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{
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private static DataFileSingleton? instance;
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private readonly string ComponentFileName = "Component.xml";
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private readonly string OrderFileName = "Order.xml";
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private readonly string PastryFileName = "Pastry.xml";
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public List<Component> Components { get; private set; }
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public List<Order> Orders { get; private set; }
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public List<Pastry> Pastries { get; private set; }
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public static DataFileSingleton GetInstance()
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{
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if (instance == null)
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{
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instance = new DataFileSingleton();
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}
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return instance;
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}
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public void SaveComponents() => SaveData(Components, ComponentFileName,
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"Components", x => x.GetXElement);
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public void SavePastries() => SaveData(Pastries, PastryFileName,
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"Pastries", x => x.GetXElement);
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public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders",
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x => x.GetXElement);
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private DataFileSingleton()
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{
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Components = LoadData(ComponentFileName, "Component",
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x => Component.Create(x)!)!;
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Pastries = LoadData(PastryFileName, "Pastry",
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x => Pastry.Create(x)!)!;
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Orders = LoadData(OrderFileName, "Order",
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x => Order.Create(x)!)!;
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}
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private static List<T>? LoadData<T>(string filename,
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string xmlNodeName, Func<XElement, T> selectFunction)
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{
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if (File.Exists(filename))
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{
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return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?
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.Select(selectFunction)?.ToList();
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}
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return new List<T>();
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}
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private static void SaveData<T>(List<T> data, string filename,
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string xmlNodeName, Func<T, XElement> selectFunction)
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{
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if (data != null)
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{
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new XDocument(new XElement(xmlNodeName,
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data.Select(selectFunction).ToArray())).Save(filename);
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}
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}
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}
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}
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@ -1,83 +0,0 @@
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.SearchModels;
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using ConfectioneryContracts.StoragesContracts;
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using ConfectioneryContracts.ViewModels;
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using ConfectioneryFileImplement.Models;
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namespace ConfectioneryFileImplement.Implements
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{
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public class ComponentStorage : IComponentStorage
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{
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private readonly DataFileSingleton source;
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public ComponentStorage()
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{
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source = DataFileSingleton.GetInstance();
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}
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public List<ComponentViewModel> GetFullList()
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{
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return source.Components
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public List<ComponentViewModel> GetFilteredList(ComponentSearchModel
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model)
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{
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if (string.IsNullOrEmpty(model.ComponentName))
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{
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return new();
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}
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return source.Components
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.Where(x => x.ComponentName.Contains(model.ComponentName))
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public ComponentViewModel? GetElement(ComponentSearchModel model)
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{
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if (string.IsNullOrEmpty(model.ComponentName) &&
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!model.Id.HasValue)
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{
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return null;
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}
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return source.Components
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.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName)
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&& x.ComponentName == model.ComponentName) ||
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(model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
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}
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public ComponentViewModel? Insert(ComponentBindingModel model)
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{
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model.Id = source.Components.Count > 0 ?
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source.Components.Max(x => x.Id) + 1 : 1;
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var newComponent = Component.Create(model);
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if (newComponent == null)
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{
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return null;
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}
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source.Components.Add(newComponent);
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source.SaveComponents();
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return newComponent.GetViewModel;
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}
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public ComponentViewModel? Update(ComponentBindingModel model)
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{
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var component = source.Components.FirstOrDefault(x => x.Id ==
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model.Id);
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if (component == null)
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{
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return null;
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}
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component.Update(model);
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source.SaveComponents();
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return component.GetViewModel;
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}
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public ComponentViewModel? Delete(ComponentBindingModel model)
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{
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var element = source.Components.FirstOrDefault(x => x.Id ==
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model.Id);
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if (element != null)
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{
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source.Components.Remove(element);
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source.SaveComponents();
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return element.GetViewModel;
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}
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return null;
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}
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}
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}
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.SearchModels;
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using ConfectioneryContracts.StoragesContracts;
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using ConfectioneryContracts.ViewModels;
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using ConfectioneryFileImplement.Models;
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namespace ConfectioneryFileImplement.Implements
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{
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public class OrderStorage : IOrderStorage
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{
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private readonly DataFileSingleton source;
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public OrderStorage()
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{
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source = DataFileSingleton.GetInstance();
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}
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public List<OrderViewModel> GetFullList()
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{
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return source.Orders
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.Select(x => AccessPastryStorage(x.GetViewModel))
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.ToList();
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}
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public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
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{
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if (!model.Id.HasValue)
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{
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return new();
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}
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return source.Orders
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.Where(x => x.Id == model.Id)
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.Select(x => AccessPastryStorage(x.GetViewModel))
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.ToList();
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}
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public OrderViewModel? GetElement(OrderSearchModel model)
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{
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if (!model.Id.HasValue)
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{
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return null;
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}
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return AccessPastryStorage(source.Orders.FirstOrDefault(
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x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel);
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}
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public OrderViewModel? Insert(OrderBindingModel model)
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{
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model.Id = source.Orders.Count > 0 ?
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source.Orders.Max(x => x.Id) + 1 : 1;
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var newOrder = Order.Create(model);
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if (newOrder == null)
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{
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return null;
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}
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source.Orders.Add(newOrder);
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source.SaveOrders();
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return AccessPastryStorage(newOrder.GetViewModel);
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}
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public OrderViewModel? Update(OrderBindingModel model)
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{
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var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
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if (order == null)
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{
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return null;
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}
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order.Update(model);
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source.SaveOrders();
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return AccessPastryStorage(order.GetViewModel);
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}
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public OrderViewModel? Delete(OrderBindingModel model)
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{
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var element = source.Orders.FirstOrDefault(x => x.Id ==
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model.Id);
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if (element != null)
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{
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source.Orders.Remove(element);
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source.SaveOrders();
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return AccessPastryStorage(element.GetViewModel);
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}
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return null;
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}
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public OrderViewModel AccessPastryStorage(OrderViewModel model)
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{
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if (model == null)
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return null;
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foreach (var Pastry in source.Pastries)
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{
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if (Pastry.Id == model.PastryId)
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{
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model.PastryName = Pastry.PastryName;
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break;
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}
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}
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return model;
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}
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}
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}
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.SearchModels;
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using ConfectioneryContracts.StoragesContracts;
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using ConfectioneryContracts.ViewModels;
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using ConfectioneryFileImplement.Models;
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namespace ConfectioneryFileImplement.Implements
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{
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public class PastryStorage : IPastryStorage
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{
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private readonly DataFileSingleton source;
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public PastryStorage()
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{
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source = DataFileSingleton.GetInstance();
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}
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public List<PastryViewModel> GetFullList()
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{
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return source.Pastries
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public List<PastryViewModel> GetFilteredList(PastrySearchModel model)
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{
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if (string.IsNullOrEmpty(model.PastryName))
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{
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return new();
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}
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return source.Pastries
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.Where(x => x.PastryName.Contains(model.PastryName))
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public PastryViewModel? GetElement(PastrySearchModel model)
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{
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if (string.IsNullOrEmpty(model.PastryName) && !model.Id.HasValue)
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{
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return null;
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}
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return source.Pastries.FirstOrDefault(x => (!string.IsNullOrEmpty(
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model.PastryName) && x.PastryName == model.PastryName) ||
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(model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
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}
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public PastryViewModel? Insert(PastryBindingModel model)
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{
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model.Id = source.Pastries.Count > 0 ?
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source.Pastries.Max(x => x.Id) + 1 : 1;
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var newPastry = Pastry.Create(model);
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if (newPastry == null)
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{
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return null;
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}
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source.Pastries.Add(newPastry);
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source.SavePastries();
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return newPastry.GetViewModel;
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}
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public PastryViewModel? Update(PastryBindingModel model)
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{
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var Pastry = source.Pastries.FirstOrDefault(x => x.Id == model.Id);
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if (Pastry == null)
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{
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return null;
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}
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Pastry.Update(model);
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source.SavePastries();
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return Pastry.GetViewModel;
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}
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public PastryViewModel? Delete(PastryBindingModel model)
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{
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var Pastry = source.Pastries.FirstOrDefault(x => x.Id == model.Id);
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if (Pastry != null)
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{
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source.Pastries.Remove(Pastry);
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source.SavePastries();
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return Pastry.GetViewModel;
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}
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return null;
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}
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}
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}
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.ViewModels;
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using ConfectioneryDataModels.Models;
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using System.Xml.Linq;
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namespace ConfectioneryFileImplement.Models
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{
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public class Component : IComponentModel
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{
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public int Id { get; private set; }
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public string ComponentName { get; private set; } = string.Empty;
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public double Cost { get; set; }
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public static Component? Create(ComponentBindingModel 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 Component()
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{
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Id = model.Id,
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ComponentName = model.ComponentName,
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Cost = model.Cost
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};
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}
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public static Component? 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 Component()
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{
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Id = Convert.ToInt32(element.Attribute("Id")!.Value),
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ComponentName = element.Element("ComponentName")!.Value,
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Cost = Convert.ToDouble(element.Element("Cost")!.Value)
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};
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}
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public void Update(ComponentBindingModel 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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ComponentName = model.ComponentName;
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Cost = model.Cost;
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}
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public ComponentViewModel GetViewModel => new()
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{
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Id = Id,
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ComponentName = ComponentName,
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Cost = Cost
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};
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public XElement GetXElement => new("Component",
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new XAttribute("Id", Id),
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new XElement("ComponentName", ComponentName),
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new XElement("Cost", Cost.ToString()));
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}
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}
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@ -1,86 +0,0 @@
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.ViewModels;
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using ConfectioneryDataModels.Enums;
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using ConfectioneryDataModels.Models;
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using System.Xml.Linq;
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namespace ConfectioneryFileImplement.Models
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{
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public class Order : IOrderModel
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{
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public int Id { get; private set; }
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public int PastryId { get; private set; }
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public int Count { get; private set; }
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public double Sum { get; private set; }
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public OrderStatus Status { get; private set; }
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public DateTime DateCreate { get; private set; }
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public DateTime? DateImplement { get; private set; }
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public static Order? Create(OrderBindingModel 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 Order()
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{
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Id = model.Id,
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PastryId = model.PastryId,
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Count = model.Count,
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Sum = model.Sum,
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Status = model.Status,
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DateCreate = model.DateCreate,
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DateImplement = model.DateImplement,
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};
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}
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public static Order? 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 Order()
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{
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Id = Convert.ToInt32(element.Attribute("Id")!.Value),
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PastryId = Convert.ToInt32(element.Element("PastryId")!.Value),
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Count = Convert.ToInt32(element.Element("Count")!.Value),
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Sum = Convert.ToDouble(element.Element("Sum")!.Value),
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Status = (OrderStatus)Enum.Parse(typeof(OrderStatus),
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element.Element("Status")!.Value.ToString()),
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DateCreate = Convert.ToDateTime(
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element.Element("DateCreate")!.Value),
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DateImplement = string.IsNullOrEmpty(
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element.Element("DateImplement")!.Value) ? null :
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Convert.ToDateTime(element.Element("DateImplement")!.Value)
|
||||
};
|
||||
}
|
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public void Update(OrderBindingModel model)
|
||||
{
|
||||
if (model == null)
|
||||
{
|
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return;
|
||||
}
|
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Status = model.Status;
|
||||
DateImplement = model.DateImplement;
|
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}
|
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public OrderViewModel GetViewModel => new()
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{
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Id = Id,
|
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PastryId = PastryId,
|
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Count = Count,
|
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Sum = Sum,
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Status = Status,
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DateCreate = DateCreate,
|
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DateImplement = DateImplement,
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};
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public XElement GetXElement => new("Order",
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new XAttribute("Id", Id),
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new XElement("PastryId", PastryId),
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new XElement("Sum", Sum.ToString()),
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new XElement("Count", Count),
|
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new XElement("Status", Status.ToString()),
|
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new XElement("DateCreate", DateCreate.ToString()),
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new XElement("DateImplement", DateImplement.ToString())
|
||||
);
|
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}
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}
|
@ -1,91 +0,0 @@
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.ViewModels;
|
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using ConfectioneryDataModels.Models;
|
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using System.Xml.Linq;
|
||||
namespace ConfectioneryFileImplement.Models
|
||||
{
|
||||
public class Pastry : IPastryModel
|
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{
|
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public int Id { get; private set; }
|
||||
public string PastryName { 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)>?
|
||||
_pastryComponents = null;
|
||||
public Dictionary<int, (IComponentModel, int)> PastryComponents
|
||||
{
|
||||
get
|
||||
{
|
||||
if (_pastryComponents == null)
|
||||
{
|
||||
var source = DataFileSingleton.GetInstance();
|
||||
_pastryComponents = Components.ToDictionary(
|
||||
x => x.Key, y => ((source.Components.FirstOrDefault(
|
||||
z => z.Id == y.Key) as
|
||||
IComponentModel)!, y.Value));
|
||||
}
|
||||
return _pastryComponents;
|
||||
}
|
||||
}
|
||||
public static Pastry? Create(PastryBindingModel model)
|
||||
{
|
||||
if (model == null)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
return new Pastry()
|
||||
{
|
||||
Id = model.Id,
|
||||
PastryName = model.PastryName,
|
||||
Price = model.Price,
|
||||
Components = model.PastryComponents.ToDictionary(
|
||||
x => x.Key, x => x.Value.Item2)
|
||||
};
|
||||
}
|
||||
public static Pastry? Create(XElement element)
|
||||
{
|
||||
if (element == null)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
return new Pastry()
|
||||
{
|
||||
Id = Convert.ToInt32(element.Attribute("Id")!.Value),
|
||||
PastryName = element.Element("PastryName")!.Value,
|
||||
Price = Convert.ToDouble(element.Element("Price")!.Value),
|
||||
Components = element.Element(
|
||||
"PastryComponents")!.Elements("PastryComponent")
|
||||
.ToDictionary(x => Convert.ToInt32(x.Element("Key")
|
||||
?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
|
||||
};
|
||||
}
|
||||
public void Update(PastryBindingModel model)
|
||||
{
|
||||
if (model == null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
PastryName = model.PastryName;
|
||||
Price = model.Price;
|
||||
Components = model.PastryComponents.ToDictionary(
|
||||
x => x.Key, x => x.Value.Item2);
|
||||
_pastryComponents = null;
|
||||
}
|
||||
public PastryViewModel GetViewModel => new()
|
||||
{
|
||||
Id = Id,
|
||||
PastryName = PastryName,
|
||||
Price = Price,
|
||||
PastryComponents = PastryComponents
|
||||
};
|
||||
public XElement GetXElement => new("Pastry",
|
||||
new XAttribute("Id", Id),
|
||||
new XElement("PastryName", PastryName),
|
||||
new XElement("Price", Price.ToString()),
|
||||
new XElement("PastryComponents", Components.Select(x =>
|
||||
new XElement("PastryComponent",
|
||||
new XElement("Key", x.Key),
|
||||
new XElement("Value", x.Value)))
|
||||
.ToArray()));
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user