PlumbingRepair/PlumbingRepair.sln

@@ -13,6 +13,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepairBusinessLogic
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepairListImplement", "PlumbingRepairListImplement\PlumbingRepairListImplement.csproj", "{E89CA82F-2FEA-4235-93A2-E5A412D0116F}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PlumbingRepairFileImplement", "PlumbingRepairFileImplement\PlumbingRepairFileImplement.csproj", "{CF58BB85-A6FB-4581-940D-BB7D1AB815CD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +41,10 @@ Global
 		{E89CA82F-2FEA-4235-93A2-E5A412D0116F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E89CA82F-2FEA-4235-93A2-E5A412D0116F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E89CA82F-2FEA-4235-93A2-E5A412D0116F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CF58BB85-A6FB-4581-940D-BB7D1AB815CD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CF58BB85-A6FB-4581-940D-BB7D1AB815CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CF58BB85-A6FB-4581-940D-BB7D1AB815CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CF58BB85-A6FB-4581-940D-BB7D1AB815CD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

PlumbingRepair/PlumbingRepair/FormComponents.Designer.cs

@@ -40,7 +40,7 @@
             // 
             dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
             dataGridView.Location = new Point(10, 8);
-            dataGridView.Margin = new Padding(2, 2, 2, 2);
+            dataGridView.Margin = new Padding(2);
             dataGridView.Name = "dataGridView";
             dataGridView.RowHeadersWidth = 62;
             dataGridView.RowTemplate.Height = 33;
@@ -50,7 +50,7 @@
             // buttonAdd
             // 
             buttonAdd.Location = new Point(547, 33);
-            buttonAdd.Margin = new Padding(2, 2, 2, 2);
+            buttonAdd.Margin = new Padding(2);
             buttonAdd.Name = "buttonAdd";
             buttonAdd.Size = new Size(108, 27);
             buttonAdd.TabIndex = 1;
@@ -61,7 +61,7 @@
             // buttonDel
             // 
             buttonDel.Location = new Point(547, 85);
-            buttonDel.Margin = new Padding(2, 2, 2, 2);
+            buttonDel.Margin = new Padding(2);
             buttonDel.Name = "buttonDel";
             buttonDel.Size = new Size(108, 27);
             buttonDel.TabIndex = 2;
@@ -72,7 +72,7 @@
             // buttonChange
             // 
             buttonChange.Location = new Point(547, 147);
-            buttonChange.Margin = new Padding(2, 2, 2, 2);
+            buttonChange.Margin = new Padding(2);
             buttonChange.Name = "buttonChange";
             buttonChange.Size = new Size(108, 27);
             buttonChange.TabIndex = 3;
@@ -83,7 +83,7 @@
             // buttonRef
             // 
             buttonRef.Location = new Point(547, 209);
-            buttonRef.Margin = new Padding(2, 2, 2, 2);
+            buttonRef.Margin = new Padding(2);
             buttonRef.Name = "buttonRef";
             buttonRef.Size = new Size(108, 27);
             buttonRef.TabIndex = 4;
@@ -101,9 +101,10 @@
             Controls.Add(buttonDel);
             Controls.Add(buttonAdd);
             Controls.Add(dataGridView);
-            Margin = new Padding(2, 2, 2, 2);
+            Margin = new Padding(2);
             Name = "FormComponents";
             Text = "Компоненты";
+            Load += FormComponents_Load;
             ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
             ResumeLayout(false);
         }

PlumbingRepair/PlumbingRepair/FormMain.Designer.cs

@@ -106,7 +106,7 @@
             // 
             buttonTakeOrderInWork.Location = new Point(850, 135);
             buttonTakeOrderInWork.Name = "buttonTakeOrderInWork";
-            buttonTakeOrderInWork.Size = new Size(170, 29);
+            buttonTakeOrderInWork.Size = new Size(170, 50);
             buttonTakeOrderInWork.TabIndex = 3;
             buttonTakeOrderInWork.Text = "Отдать на выполнение";
             buttonTakeOrderInWork.UseVisualStyleBackColor = true;

PlumbingRepair/PlumbingRepair/FormWorks.Designer.cs

@@ -28,79 +28,79 @@
         /// </summary>
         private void InitializeComponent()
         {
-            this.dataGridView = new System.Windows.Forms.DataGridView();
+            dataGridView = new DataGridView();
-            this.buttonAdd = new System.Windows.Forms.Button();
+            buttonAdd = new Button();
-            this.buttonUpd = new System.Windows.Forms.Button();
+            buttonUpd = new Button();
-            this.buttonDel = new System.Windows.Forms.Button();
+            buttonDel = new Button();
-            this.buttonRef = new System.Windows.Forms.Button();
+            buttonRef = new Button();
-            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
-            this.SuspendLayout();
+            SuspendLayout();
             // 
             // dataGridView
             // 
-            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            this.dataGridView.Location = new System.Drawing.Point(1, 0);
+            dataGridView.Location = new Point(1, 0);
-            this.dataGridView.Name = "dataGridView";
+            dataGridView.Name = "dataGridView";
-            this.dataGridView.RowHeadersWidth = 51;
+            dataGridView.RowHeadersWidth = 51;
-            this.dataGridView.RowTemplate.Height = 29;
+            dataGridView.RowTemplate.Height = 29;
-            this.dataGridView.Size = new System.Drawing.Size(611, 449);
+            dataGridView.Size = new Size(611, 449);
-            this.dataGridView.TabIndex = 0;
+            dataGridView.TabIndex = 0;
             // 
             // buttonAdd
             // 
-            this.buttonAdd.Location = new System.Drawing.Point(670, 23);
+            buttonAdd.Location = new Point(670, 23);
-            this.buttonAdd.Name = "buttonAdd";
+            buttonAdd.Name = "buttonAdd";
-            this.buttonAdd.Size = new System.Drawing.Size(94, 29);
+            buttonAdd.Size = new Size(94, 29);
-            this.buttonAdd.TabIndex = 1;
+            buttonAdd.TabIndex = 1;
-            this.buttonAdd.Text = "Добавить";
+            buttonAdd.Text = "Добавить";
-            this.buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.UseVisualStyleBackColor = true;
-            this.buttonAdd.Click += new System.EventHandler(this.AddButton_Click);
+            buttonAdd.Click += AddButton_Click;
             // 
             // buttonUpd
             // 
-            this.buttonUpd.Location = new System.Drawing.Point(670, 75);
+            buttonUpd.Location = new Point(670, 75);
-            this.buttonUpd.Name = "buttonUpd";
+            buttonUpd.Name = "buttonUpd";
-            this.buttonUpd.Size = new System.Drawing.Size(94, 29);
+            buttonUpd.Size = new Size(94, 29);
-            this.buttonUpd.TabIndex = 2;
+            buttonUpd.TabIndex = 2;
-            this.buttonUpd.Text = "Изменить";
+            buttonUpd.Text = "Изменить";
-            this.buttonUpd.UseVisualStyleBackColor = true;
+            buttonUpd.UseVisualStyleBackColor = true;
-            this.buttonUpd.Click += new System.EventHandler(this.ChangeButton_Click);
+            buttonUpd.Click += ChangeButton_Click;
             // 
             // buttonDel
             // 
-            this.buttonDel.Location = new System.Drawing.Point(670, 132);
+            buttonDel.Location = new Point(670, 132);
-            this.buttonDel.Name = "buttonDel";
+            buttonDel.Name = "buttonDel";
-            this.buttonDel.Size = new System.Drawing.Size(94, 29);
+            buttonDel.Size = new Size(94, 29);
-            this.buttonDel.TabIndex = 3;
+            buttonDel.TabIndex = 3;
-            this.buttonDel.Text = "Удалить";
+            buttonDel.Text = "Удалить";
-            this.buttonDel.UseVisualStyleBackColor = true;
+            buttonDel.UseVisualStyleBackColor = true;
-            this.buttonDel.Click += new System.EventHandler(this.DeleteButton_Click);
+            buttonDel.Click += DeleteButton_Click;
             // 
             // buttonRef
             // 
-            this.buttonRef.Location = new System.Drawing.Point(670, 188);
+            buttonRef.Location = new Point(670, 188);
-            this.buttonRef.Name = "buttonRef";
+            buttonRef.Name = "buttonRef";
-            this.buttonRef.Size = new System.Drawing.Size(94, 29);
+            buttonRef.Size = new Size(94, 29);
-            this.buttonRef.TabIndex = 4;
+            buttonRef.TabIndex = 4;
-            this.buttonRef.Text = "Обновить";
+            buttonRef.Text = "Обновить";
-            this.buttonRef.UseVisualStyleBackColor = true;
+            buttonRef.UseVisualStyleBackColor = true;
-            this.buttonRef.Click += new System.EventHandler(this.UpdateButton_Click);
+            buttonRef.Click += UpdateButton_Click;
             // 
             // FormWorks
             // 
-            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            AutoScaleDimensions = new SizeF(8F, 20F);
-            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            AutoScaleMode = AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(800, 450);
+            ClientSize = new Size(800, 450);
-            this.Controls.Add(this.buttonRef);
+            Controls.Add(buttonRef);
-            this.Controls.Add(this.buttonDel);
+            Controls.Add(buttonDel);
-            this.Controls.Add(this.buttonUpd);
+            Controls.Add(buttonUpd);
-            this.Controls.Add(this.buttonAdd);
+            Controls.Add(buttonAdd);
-            this.Controls.Add(this.dataGridView);
+            Controls.Add(dataGridView);
-            this.Name = "FormWorks";
+            Name = "FormWorks";
-            this.Text = "Работы";
+            Text = "Работы";
-            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            Load += FormComponents_Load;
-            this.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
-
+            ResumeLayout(false);
         }
 
         #endregion

PlumbingRepair/PlumbingRepair/FormWorks.resx

@@ -18,7 +18,7 @@
     <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
     <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
     <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing"">Blue</data>
     <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
         <value>[base64 mime encoded serialized .NET Framework object]</value>
     </data>

PlumbingRepair/PlumbingRepair/PlumbingRepairView.csproj

@@ -15,6 +15,7 @@
   <ItemGroup>
     <ProjectReference Include="..\PlumbingRepairBusinessLogic\PlumbingRepairBusinessLogic.csproj" />
     <ProjectReference Include="..\PlumbingRepairContracts\PlumbingRepairContracts.csproj" />
+    <ProjectReference Include="..\PlumbingRepairFileImplement\PlumbingRepairFileImplement.csproj" />
     <ProjectReference Include="..\PlumbingRepairListImplement\PlumbingRepairListImplement.csproj" />
   </ItemGroup>
 

PlumbingRepair/PlumbingRepair/Program.cs

@@ -1,6 +1,6 @@
 using PlumbingRepairContracts.BusinessLogicsContracts;
 using PlumbingRepairContracts.StoragesContracts;
-using PlumbingRepairListImplement.Implements;
+using PlumbingRepairFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

PlumbingRepair/PlumbingRepairFileImplement/DataFileSingleton.cs

@@ -0,0 +1,62 @@
+using PlumbingRepairFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement
+{
+    internal class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string WorkFileName = "Work.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Work> Works { get; private set; }
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+        public void SaveComponents() => SaveData(Components, ComponentFileName,
+       "Components", x => x.GetXElement);
+        public void SaveWorks() => SaveData(Works, WorkFileName,
+       "Works", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, 
+        "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x =>
+            Component.Create(x)!)!;
+            Works = LoadData(WorkFileName, "Work", x =>
+            Work.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);
+            }
+        }
+    }
+}

PlumbingRepair/PlumbingRepairFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,90 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PlumbingRepairFileImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<ComponentViewModel> GetFullList()
+        {
+            return source.Components
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel
+       model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            return source.Components
+            .Where(x => x.ComponentName.Contains(model.ComponentName))
+            .Select(x => x.GetViewModel).ToList();
+        }
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Components
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName ==
+           model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            model.Id = source.Components.Count > 0 ? source.Components.Max(x =>
+           x.Id) + 1 : 1;
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            source.Components.Add(newComponent);
+            source.SaveComponents();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            var component = source.Components.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            source.SaveComponents();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            var element = source.Components.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (element != null)
+            {
+                source.Components.Remove(element);
+                source.SaveComponents();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+    }
+}

PlumbingRepair/PlumbingRepairFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,93 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PlumbingRepairFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).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;
+        }
+
+        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 newOrder.GetViewModel;
+        }
+
+        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 order.GetViewModel;
+        }
+
+        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 element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairFileImplement/Implements/WorkStorage.cs

@@ -0,0 +1,94 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PlumbingRepairFileImplement.Implements
+{
+    public class WorkStorage : IWorkStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public WorkStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<WorkViewModel> GetFullList()
+        {
+            return source.Works.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<WorkViewModel> GetFilteredList(WorkSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkName))
+            {
+                return new();
+            }
+
+            return source.Works.Where(x => x.WorkName.Contains(model.WorkName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public WorkViewModel? GetElement(WorkSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Works.FirstOrDefault(x => (!string.IsNullOrEmpty(model.WorkName) && x.WorkName == model.WorkName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public WorkViewModel? Insert(WorkBindingModel model)
+        {
+            model.Id = source.Works.Count > 0 ? source.Works.Max(x => x.Id) + 1 : 1;
+            var newWork = Work.Create(model);
+
+            if (newWork == null)
+            {
+                return null;
+            }
+
+            source.Works.Add(newWork);
+            source.SaveWorks();
+
+            return newWork.GetViewModel;
+        }
+
+        public WorkViewModel? Update(WorkBindingModel model)
+        {
+            var work = source.Works.FirstOrDefault(x => x.Id == model.Id);
+
+            if (work == null)
+            {
+                return null;
+            }
+
+            work.Update(model);
+            source.SaveWorks();
+
+            return work.GetViewModel;
+        }
+
+        public WorkViewModel? Delete(WorkBindingModel model)
+        {
+            var element = source.Works.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Works.Remove(element);
+                source.SaveWorks();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairFileImplement/Models/Component.cs

@@ -0,0 +1,59 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        public string ComponentName { get; private set; } = string.Empty;
+        public double Cost { get; set; }
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public static Component? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ComponentName = element.Element("ComponentName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+        public void Update(ComponentBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+        public XElement GetXElement => new("Component",
+            new XAttribute("Id", Id),
+            new XElement("ComponentName", ComponentName),
+            new XElement("Cost", Cost.ToString()));
+    }
+}

PlumbingRepair/PlumbingRepairFileImplement/Models/Order.cs

@@ -0,0 +1,95 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Enums;
+using PlumbingRepairDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int WorkId { get; private set; }
+        public String WorkName { get; private set; } = string.Empty;
+        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,
+                WorkId = model.WorkId,
+                WorkName = model.WorkName,
+                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),
+                WorkId = Convert.ToInt32(element.Element("WorkId")!.Value),
+                WorkName = element.Element("WorkName")!.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;
+            }
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkId = WorkId,
+            WorkName = WorkName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("WorkName", WorkName),
+            new XElement("WorkId", WorkId.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()));
+    }
+}

PlumbingRepair/PlumbingRepairFileImplement/Models/Work.cs

@@ -0,0 +1,90 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement.Models
+{
+    public class Work : IWorkModel
+    {
+        public int Id { get; private set; }
+        public string WorkName { 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)>? _workComponents = null;
+        public Dictionary<int, (IComponentModel, int)> WorkComponents
+        {
+            get
+            {
+                if(_workComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _workComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) 
+                    as IComponentModel)!, y.Value));
+                }
+                return _workComponents;
+            }
+        }
+        public static Work? Create(WorkBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Work()
+            {
+                Id = model.Id,
+                WorkName = model.WorkName,
+                Price = model.Price,
+                Components = model.WorkComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+        public static Work? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Work()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                WorkName = element.Element("WorkName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("WorkComponents")!.Elements("WorkComponent")
+                    .ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(WorkBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            WorkName = model.WorkName;
+            Price = model.Price;
+            Components = model.WorkComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _workComponents = null;
+        }
+        public WorkViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkName = WorkName,
+            Price = Price,
+            WorkComponents = WorkComponents
+        };
+        public XElement GetXElement => new("Work",
+             new XAttribute("Id", Id),
+             new XElement("WorkName", WorkName),
+             new XElement("Price", Price.ToString()),
+             new XElement("WorkComponents", Components.Select(x => 
+             new XElement("WorkComponent",
+             new XElement("Key", x.Key),
+             new XElement("Value", x.Value))).ToArray()));
+    }
+}

PlumbingRepair/PlumbingRepairFileImplement/PlumbingRepairFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PlumbingRepairContracts\PlumbingRepairContracts.csproj" />
+    <ProjectReference Include="..\PlumbingRepairDataModels\PlumbingRepairDataModels.csproj" />
+  </ItemGroup>
+
+</Project>