laba is done

2024-03-20 22:21:11 +04:00 · 2024-03-20 22:21:11 +04:00 · 7c2e0f5168
commit 7c2e0f5168
parent 11ca98df8b
12 changed files with 670 additions and 1 deletions
--- a/FurnitureAssembly/FurnitureAssembly.sln
+++ b/FurnitureAssembly/FurnitureAssembly.sln
@ -13,6 +13,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FurnitureAssemblyListImplem
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FurnitureAssemblyBusinessLogic", "FurnitureAssemblyBusinessLogic\FurnitureAssemblyBusinessLogic.csproj", "{D5118A99-17DE-4722-AA56-3A358CE0BB62}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FurnitureAssemblyFileImplement", "FurnitureAssemblyFileImplement\FurnitureAssemblyFileImplement.csproj", "{AD1729BF-2142-4014-9C7C-A2BAF426DFEB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@ -39,6 +41,10 @@ Global
 		{D5118A99-17DE-4722-AA56-3A358CE0BB62}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D5118A99-17DE-4722-AA56-3A358CE0BB62}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D5118A99-17DE-4722-AA56-3A358CE0BB62}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AD1729BF-2142-4014-9C7C-A2BAF426DFEB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AD1729BF-2142-4014-9C7C-A2BAF426DFEB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AD1729BF-2142-4014-9C7C-A2BAF426DFEB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AD1729BF-2142-4014-9C7C-A2BAF426DFEB}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
--- a/FurnitureAssembly/FurnitureAssembly/FormFurnitures.Designer.cs
+++ b/FurnitureAssembly/FurnitureAssembly/FormFurnitures.Designer.cs
@ -46,10 +46,13 @@
            this.dataGridView.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
            this.dataGridView.Location = new System.Drawing.Point(0, 0);
+            this.dataGridView.MultiSelect = false;
            this.dataGridView.Name = "dataGridView";
+            this.dataGridView.ReadOnly = true;
            this.dataGridView.RowHeadersVisible = false;
            this.dataGridView.RowHeadersWidth = 82;
            this.dataGridView.RowTemplate.Height = 41;
+            this.dataGridView.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect;
            this.dataGridView.Size = new System.Drawing.Size(1033, 753);
            this.dataGridView.TabIndex = 0;
            // 
--- a/FurnitureAssembly/FurnitureAssembly/FurnitureAssemblyView.csproj
+++ b/FurnitureAssembly/FurnitureAssembly/FurnitureAssemblyView.csproj
@ -28,6 +28,7 @@
  <ItemGroup>
    <ProjectReference Include="..\FurnitureAssemblyBusinessLogic\FurnitureAssemblyBusinessLogic.csproj" />
    <ProjectReference Include="..\FurnitureAssemblyContracts\FurnitureAssemblyContracts.csproj" />
+    <ProjectReference Include="..\FurnitureAssemblyFileImplement\FurnitureAssemblyFileImplement.csproj" />
    <ProjectReference Include="..\FurnitureAssemblyListImplement\FurnitureAssemblyListImplement.csproj" />
  </ItemGroup>

--- a/FurnitureAssembly/FurnitureAssembly/Program.cs
+++ b/FurnitureAssembly/FurnitureAssembly/Program.cs
@ -2,7 +2,7 @@ using FurnitureAssemblyBusinessLogic;
 using FurnitureAssemblyBusinessLogic.BusinessLogics;
 using FurnitureAssemblyContracts.BusinessLogicsContracts;
 using FurnitureAssemblyContracts.StoragesContracts;
-using FurnitureAssemblyListImplement.Implements;
+using FurnitureAssemblyFileImplement.Implements;
 using FurnitureAssemblyView;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/DataFileSingleton.cs
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/DataFileSingleton.cs
@ -0,0 +1,69 @@
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement
+{
+    internal class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+
+        private readonly string WorkpieceFileName = "Workpiece.xml";
+
+        private readonly string OrderFileName = "Order.xml";
+
+        private readonly string FurnitureFileName = "Furniture.xml";
+
+        public List<Workpiece> Workpieces { get; private set; }
+
+        public List<Order> Orders { get; private set; }
+
+        public List<Furniture> Furnitures { get; private set; }
+
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+
+            return instance;
+        }
+
+        public void SaveWorkpieces() => SaveData(Workpieces, WorkpieceFileName, "Workpieces", x => x.GetXElement);
+
+        public void SaveFurnitures() => SaveData(Furnitures, FurnitureFileName, "Furnitures", x => x.GetXElement);
+
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+
+
+        private DataFileSingleton()
+        {
+            Workpieces = LoadData(WorkpieceFileName, "Workpiece", x => Workpiece.Create(x)!)!;
+            Furnitures = LoadData(FurnitureFileName, "Furniture", x => Furniture.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+        }
+
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
+        {
+            if (File.Exists(filename))
+            {
+                return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
+            }
+
+            return new List<T>();
+        }
+
+        private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
+        {
+            if (data != null)
+            {
+                new XDocument(new XElement(xmlNodeName, data.Select(selectFunction).ToArray())).Save(filename);
+            }
+        }
+    }
+}
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/FurnitureAssemblyFileImplement.csproj
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/FurnitureAssemblyFileImplement.csproj
@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\FurnitureAssemblyContracts\FurnitureAssemblyContracts.csproj" />
+    <ProjectReference Include="..\FurnitureAssemblyDataModels\FurnitureAssemblyDataModels.csproj" />
+    <ProjectReference Include="..\FurnitureAssemblyListImplement\FurnitureAssemblyListImplement.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/Implements/FurnitureStorage.cs
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/Implements/FurnitureStorage.cs
@ -0,0 +1,96 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyFileImplement.Implements
+{
+    public class FurnitureStorage : IFurnitureStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public FurnitureStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<FurnitureViewModel> GetFullList()
+        {
+            return source.Furnitures.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<FurnitureViewModel> GetFilteredList(FurnitureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FurnitureName))
+            {
+                return new();
+            }
+
+            return source.Furnitures.Where(x => x.FurnitureName.Contains(model.FurnitureName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public FurnitureViewModel? GetElement(FurnitureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FurnitureName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Furnitures.FirstOrDefault(x => (!string.IsNullOrEmpty(model.FurnitureName) && x.FurnitureName == model.FurnitureName)
+            || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public FurnitureViewModel? Insert(FurnitureBindingModel model)
+        {
+            model.Id = source.Furnitures.Count > 0 ? source.Furnitures.Max(x => x.Id) + 1 : 1;
+
+            var newFurniture = Furniture.Create(model);
+
+            if (newFurniture == null)
+            {
+                return null;
+            }
+
+            source.Furnitures.Add(newFurniture);
+            source.SaveFurnitures();
+
+            return newFurniture.GetViewModel;
+        }
+
+        public FurnitureViewModel? Update(FurnitureBindingModel model)
+        {
+            var furniture = source.Furnitures.FirstOrDefault(x => x.Id == model.Id);
+
+            if (furniture == null)
+            {
+                return null;
+            }
+
+            furniture.Update(model);
+            source.SaveFurnitures();
+
+            return furniture.GetViewModel;
+        }
+
+        public FurnitureViewModel? Delete(FurnitureBindingModel model)
+        {
+            var element = source.Furnitures.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Furnitures.Remove(element);
+                source.SaveFurnitures();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/Implements/OrderStorage.cs
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/Implements/OrderStorage.cs
@ -0,0 +1,106 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        // Для загрузки названий изделия в заказе
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+
+            var furniture = source.Furnitures.FirstOrDefault(x => x.Id == order.FurnitureId);
+
+            viewModel.FurnitureName = furniture?.FurnitureName;
+            return viewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
+
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            source.Orders.Add(newOrder);
+            source.SaveOrders();
+
+            return GetViewModel(newOrder);
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            source.SaveOrders();
+
+            return GetViewModel(order);
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Orders.Remove(element);
+                source.SaveOrders();
+
+                return GetViewModel(element);
+            }
+
+            return null;
+        }
+    }
+}
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/Implements/WorkpieceStorage.cs
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/Implements/WorkpieceStorage.cs
@ -0,0 +1,94 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyFileImplement.Implements
+{
+    public class WorkpieceStorage : IWorkpieceStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public WorkpieceStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<WorkpieceViewModel> GetFullList()
+        {
+            return source.Workpieces.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<WorkpieceViewModel> GetFilteredList(WorkpieceSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkpieceName))
+            {
+                return new();
+            }
+
+            return source.Workpieces.Where(x => x.WorkpieceName.Contains(model.WorkpieceName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public WorkpieceViewModel? GetElement(WorkpieceSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkpieceName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Workpieces.FirstOrDefault(x => (!string.IsNullOrEmpty(model.WorkpieceName) && x.WorkpieceName == model.WorkpieceName)
+                || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public WorkpieceViewModel? Insert(WorkpieceBindingModel model)
+        {
+            model.Id = source.Workpieces.Count > 0 ? source.Workpieces.Max(x => x.Id) + 1 : 1;
+
+            var newWorkpiece = Workpiece.Create(model);
+
+            if (newWorkpiece == null)
+            {
+                return null;
+            }
+            source.Workpieces.Add(newWorkpiece);
+            source.SaveWorkpieces();
+
+            return newWorkpiece.GetViewModel;
+        }
+
+        public WorkpieceViewModel? Update(WorkpieceBindingModel model)
+        {
+            var workPiece = source.Workpieces.FirstOrDefault(x => x.Id == model.Id);
+
+            if (workPiece == null)
+            {
+                return null;
+            }
+            workPiece.Update(model);
+            source.SaveWorkpieces();
+
+            return workPiece.GetViewModel;
+        }
+
+        public WorkpieceViewModel? Delete(WorkpieceBindingModel model)
+        {
+            var element = source.Workpieces.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Workpieces.Remove(element);
+                source.SaveWorkpieces();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/Models/Furniture.cs
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/Models/Furniture.cs
@ -0,0 +1,105 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement.Models
+{
+    internal class Furniture
+    {
+        public int Id { get; private set; }
+
+        public string FurnitureName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+
+        public Dictionary<int, int> Workpieces { get; private set; } = new();
+
+        private Dictionary<int, (IWorkpieceModel, int)>? _furnitureWorkpieces = null;
+
+        public Dictionary<int, (IWorkpieceModel, int)> FurnitureWorkpieces
+        {
+            get
+            {
+                if (_furnitureWorkpieces == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+
+                    _furnitureWorkpieces = Workpieces.ToDictionary(x => x.Key,
+                                                                    y => ((source.Workpieces.FirstOrDefault(z => z.Id == y.Key) as IWorkpieceModel)!, y.Value));
+                }
+
+                return _furnitureWorkpieces;
+            }
+        }
+
+        public static Furniture? Create(FurnitureBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Furniture()
+            {
+                Id = model.Id,
+                FurnitureName = model.FurnitureName,
+                Price = model.Price,
+                Workpieces = model.FurnitureWorkpieces.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+
+        public static Furniture? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            return new Furniture()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                FurnitureName = element.Element("FurnitureName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Workpieces = element.Element("FurnitureWorkpieces")!.Elements("FurnitureWorkpieces").ToDictionary(
+                    x => Convert.ToInt32(x.Element("Key")?.Value),
+                    y => Convert.ToInt32(y.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(FurnitureBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            FurnitureName = model.FurnitureName;
+            Price = model.Price;
+            Workpieces = model.FurnitureWorkpieces.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _furnitureWorkpieces = null;
+        }
+
+        public FurnitureViewModel GetViewModel => new()
+        {
+            Id = Id,
+            FurnitureName = FurnitureName,
+            Price = Price,
+            FurnitureWorkpieces = FurnitureWorkpieces
+        };
+
+        public XElement GetXElement => new("Furniture",
+            new XAttribute("Id", Id),
+            new XElement("FurnitureName", FurnitureName),
+            new XElement("Price", Price.ToString()),
+            new XElement("FurnitureWorkpieces", Workpieces.Select(
+                x => new XElement("FurnitureWorkpieces",
+                    new XElement("Key", x.Key),
+                    new XElement("Value", x.Value))
+                ).ToArray()));
+    }
+}
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/Models/Order.cs
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/Models/Order.cs
@ -0,0 +1,99 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement.Models
+{
+    internal class Order
+    {
+        public int Id { get; private set; }
+
+        public int FurnitureId { get; private set; }
+
+        public int Count { get; private set; }
+
+        public double Sum { get; private set; }
+
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Order()
+            {
+                Id = model.Id,
+                FurnitureId = model.FurnitureId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                FurnitureId = Convert.ToInt32(element.Element("FurnitureId")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = string.IsNullOrEmpty(element.Element("DateImplement")!.Value) ? null :
+                Convert.ToDateTime(element.Element("DateImplement")!.Value)
+            };
+        }
+
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            FurnitureId = FurnitureId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("FurnitureId", FurnitureId.ToString()),
+            new XElement("Count", Count.ToString()),
+            new XElement("Sum", Sum.ToString()),
+            new XElement("Status", Status.ToString()),
+            new XElement("DateCreate", DateCreate.ToString()),
+            new XElement("DateImplement", DateImplement.ToString()));
+    }
+}
--- a/FurnitureAssembly/FurnitureAssemblyFileImplement/Models/Workpiece.cs
+++ b/FurnitureAssembly/FurnitureAssemblyFileImplement/Models/Workpiece.cs
@ -0,0 +1,75 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemblyFileImplement.Models
+{
+    public class Workpiece : IWorkpieceModel
+    {
+        public int Id { get; private set; }
+
+        public string WorkpieceName { get; private set; } = string.Empty;
+
+        public double Cost { get; set; }
+
+        public static Workpiece? Create(WorkpieceBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Workpiece()
+            {
+                Id = model.Id,
+                WorkpieceName = model.WorkpieceName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Workpiece? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            return new Workpiece()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                WorkpieceName = element.Element("WorkpieceName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+
+        public void Update(WorkpieceBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            WorkpieceName = model.WorkpieceName;
+            Cost = model.Cost;
+        }
+
+        public WorkpieceViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkpieceName = WorkpieceName,
+            Cost = Cost
+        };
+
+        public XElement GetXElement => new("Workpiece",
+            new XAttribute("Id", Id),
+            new XElement("WorkpieceName", WorkpieceName),
+            new XElement("Cost", Cost.ToString()));
+    }
+}