Diner/Diner.sln

@@ -5,13 +5,15 @@ VisualStudioVersion = 17.7.34221.43
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DinerView", "DinerView\DinerView.csproj", "{7FC291E6-FE0A-4D25-B46F-724FB599F26F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DinerDataModels", "DinerDataModels\DinerDataModels.csproj", "{2AFAC265-13C0-432E-8F33-ABF764FD0877}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DinerDataModels", "DinerDataModels\DinerDataModels.csproj", "{2AFAC265-13C0-432E-8F33-ABF764FD0877}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DinerContracts", "DinerContracts\DinerContracts.csproj", "{89BA6B4F-1F08-4327-B88B-E48335742088}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DinerContracts", "DinerContracts\DinerContracts.csproj", "{89BA6B4F-1F08-4327-B88B-E48335742088}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DinerListImplement", "DinerListImplement\DinerListImplement.csproj", "{33BCF269-AF60-4E7E-9F3B-2ECEDCEBF8F9}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DinerListImplement", "DinerListImplement\DinerListImplement.csproj", "{33BCF269-AF60-4E7E-9F3B-2ECEDCEBF8F9}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DineryBusinessLogic", "DineryBusinessLogic\DineryBusinessLogic.csproj", "{2920D9E3-AE18-4914-BD43-C04D9123FBD7}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DineryBusinessLogic", "DineryBusinessLogic\DineryBusinessLogic.csproj", "{2920D9E3-AE18-4914-BD43-C04D9123FBD7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DinerFileImplement", "DinerShopImplement\DinerFileImplement.csproj", "{E46007E3-F3EC-4551-A203-19361E7B1B8D}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +41,10 @@ Global
 		{2920D9E3-AE18-4914-BD43-C04D9123FBD7}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2920D9E3-AE18-4914-BD43-C04D9123FBD7}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2920D9E3-AE18-4914-BD43-C04D9123FBD7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E46007E3-F3EC-4551-A203-19361E7B1B8D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E46007E3-F3EC-4551-A203-19361E7B1B8D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E46007E3-F3EC-4551-A203-19361E7B1B8D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E46007E3-F3EC-4551-A203-19361E7B1B8D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Diner/DinerShopImplement/DataFileSingleton.cs

@@ -0,0 +1,59 @@
+using DinerFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace DinerFileImplement
+{
+    internal class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+
+        private readonly string FoodFileName = "Food.xml";
+
+        private readonly string OrderFileName = "Order.xml";
+
+        private readonly string SnackFileName = "Snack.xml";
+
+        public List<Food> Foods { get; set; }
+        public List<Order> Orders { get; private set; }
+        public List<Snack> Snacks { get; private set; }
+
+        private DataFileSingleton() {
+            Foods = LoadData(FoodFileName, "Food", x => Food.Create(x)!)!;
+            Snacks = LoadData(SnackFileName, "Snack", x => Snack.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+        }
+        public static DataFileSingleton GetInstance() { 
+            if (instance == null) instance = new DataFileSingleton();
+            return instance;
+        }
+        public void SaveFoods() => SaveData(Foods, FoodFileName, "Foods",
+                                                x => x.GetXElement);
+        public void SaveSnacks() => SaveData(Snacks, SnackFileName, "Snacks",
+                                                x => x.GetXElement);
+        public void SaveOrder() => SaveData(Orders, OrderFileName, "Orders",
+                                                x => x.GetXElement);
+        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);
+            }
+        }
+        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>();
+        }
+    }
+}

Diner/DinerShopImplement/DinerFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DinerContracts\DinerContracts.csproj" />
+    <ProjectReference Include="..\DinerDataModels\DinerDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

Diner/DinerShopImplement/Implements/FoodStorage.cs

@@ -0,0 +1,75 @@
+using DinerContracts.BindingModels;
+using DinerContracts.SearchModels;
+using DinerContracts.StoragesContracts;
+using DinerContracts.ViewModels;
+using DinerFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DinerFileImplement.Implements
+{
+    public class FoodStorage : IFoodStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public FoodStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public FoodViewModel? Delete(FoodBindingModel model)
+        {
+            var element = _source.Foods.FirstOrDefault(x => x.ID == model.ID);
+            if (element != null) {
+                _source.Foods.Remove(element);
+                _source.SaveFoods();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public FoodViewModel? GetElement(FoodSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.ID.HasValue) { return null; }
+            return _source.Foods
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName) &&
+                                x.ComponentName == model.ComponentName) || model.ID.HasValue &&
+                                x.ID == model.ID)?.GetViewModel;
+        }
+
+        public List<FoodViewModel> GetFilteredList(FoodSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName)) { return new(); }
+            return _source.Foods.Where(x => x.ComponentName.Contains(model.ComponentName))
+                                .Select(x => x.GetViewModel).ToList();
+
+        }
+
+        public List<FoodViewModel> GetFullList()
+        {
+            return _source.Foods.Select(x => x.GetViewModel).ToList();
+        }
+
+        public FoodViewModel? Insert(FoodBindingModel model)
+        {
+            model.ID = _source.Foods.Count > 0 ? _source.Foods.Max(x => x.ID) + 1 : 1;
+            var newComponent = Food.Create(model);
+            if (newComponent == null) { return null; }
+            _source.Foods.Add(newComponent);
+            _source.SaveFoods();
+            return newComponent.GetViewModel;
+        }
+
+        public FoodViewModel? Update(FoodBindingModel model)
+        {
+            var component = _source.Foods.FirstOrDefault(x => x.ID == model.ID);
+            if (component == null) { return null; }
+            component.Update(model);
+            _source.SaveFoods();
+            return component.GetViewModel;
+        }
+    }
+}

Diner/DinerShopImplement/Implements/OrderStorage.cs

@@ -0,0 +1,81 @@
+using DinerContracts.BindingModels;
+using DinerContracts.SearchModels;
+using DinerContracts.StoragesContracts;
+using DinerContracts.ViewModels;
+using DinerFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DinerFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public OrderStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = _source.Orders.FirstOrDefault(x => x.ID == model.ID);
+            if (element != null) { 
+                _source.Orders.Remove(element);
+                _source.SaveOrder();
+                return GetViewModel(element);
+            }
+            return null;
+        }
+
+        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 List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.ID.HasValue) { return new(); }
+            return _source.Orders.Where(x => x.ID == model.ID).Select(GetViewModel).ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return _source.Orders.Select(GetViewModel).ToList();
+        }
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            var tmp = from p in _source.Snacks
+                      where p.ID == order.ProductID 
+                      select p.ProductName;
+            viewModel.ProductName = tmp.FirstOrDefault(string.Empty);
+            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.SaveOrder();
+            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.SaveOrder();
+            return GetViewModel(order);
+        }
+    }
+}

Diner/DinerShopImplement/Implements/SnackStorage.cs

@@ -0,0 +1,74 @@
+using DinerContracts.BindingModels;
+using DinerContracts.SearchModels;
+using DinerContracts.StoragesContracts;
+using DinerContracts.ViewModels;
+using DinerFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DinerFileImplement.Implements
+{
+    public class SnackStorage : ISnackStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public SnackStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public SnackViewModel? Delete(SnackBindingModel model)
+        {
+            var element = _source.Snacks.FirstOrDefault(x => x.ID == model.ID);
+            if (element != null) { 
+                _source.Snacks.Remove(element);
+                _source.SaveSnacks();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public SnackViewModel? GetElement(SnackSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ProductName) && !model.ID.HasValue) { return null; }
+            return _source.Snacks
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ProductName) &&
+                x.ProductName == model.ProductName) || model.ID.HasValue &&
+                x.ID == model.ID)?.GetViewModel;
+        }
+
+        public List<SnackViewModel> GetFilteredList(SnackSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ProductName)) { return new(); }
+            return _source.Snacks.Where(x => x.ProductName.Contains(model.ProductName))
+                                    .Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<SnackViewModel> GetFullList()
+        {
+            return _source.Snacks.Select(x => x.GetViewModel).ToList(); 
+        }
+
+        public SnackViewModel? Insert(SnackBindingModel model)
+        {
+            model.ID = _source.Snacks.Count > 0 ? _source.Snacks.Max(x => x.ID) + 1 : 1;
+            var newProduct = Snack.Create(model);
+            if (newProduct == null) { return null; }
+            _source.Snacks.Add(newProduct);
+            _source.SaveSnacks();
+            return newProduct.GetViewModel;
+        }
+
+        public SnackViewModel? Update(SnackBindingModel model)
+        {
+            var product = _source.Snacks.FirstOrDefault(x => x.ID == model.ID);
+            if (product == null) { return null; }
+            product.Update(model);
+            _source.SaveSnacks();
+            return product.GetViewModel;
+        }
+    }
+}

Diner/DinerShopImplement/Models/Food.cs

@@ -0,0 +1,57 @@
+using DinerContracts.BindingModels;
+using DinerContracts.ViewModels;
+using DinerDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace DinerFileImplement.Models
+{
+    internal class Food : IFoodModel
+    {
+        public string ComponentName { get; set; } = string.Empty;
+
+        public double Price { get; set; }
+
+        public int ID { get; set; }
+
+        public static Food? Create(FoodBindingModel? model)
+        {
+            if (model == null) return null;
+            return new Food()
+            {
+                ID = model.ID,
+                ComponentName = model.ComponentName,
+                Price = model.Price,
+            };
+        }
+        public static Food? Create(XElement element) {
+            if (element == null) return null;
+            return new Food()
+            {
+                ID = Convert.ToInt32(element.Attribute("ID")!.Value),
+                ComponentName = element.Element("ComponentName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value)
+            };
+        }
+        public void Update(FoodBindingModel? model)
+        {
+            if (model == null) return;
+            ComponentName = model.ComponentName;
+            Price = model.Price;
+        }
+        public FoodViewModel GetViewModel => new()
+        {
+            ID = ID,
+            ComponentName = ComponentName,
+            Price = Price,
+        };
+
+        public XElement GetXElement => new("Food", new XAttribute("ID", ID),
+                                            new XElement("ComponentName", ComponentName),
+                                            new XElement("Price", Price.ToString()));
+    }
+}

Diner/DinerShopImplement/Models/Order.cs

@@ -0,0 +1,84 @@
+using DinerContracts.BindingModels;
+using DinerContracts.ViewModels;
+using DinerDataModels.Enums;
+using DinerDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace DinerFileImplement.Models
+{
+    internal class Order : IOrderModel
+    {
+        public int ProductID { get; private set; }
+
+        public int Count { get; set; }
+
+        public double Sum { get; private set; }
+
+        public OrderStatus Status { get; set; }
+
+        public DateTime DateCreate { get; private set; }
+
+        public DateTime? DateImplement { get; set; }
+
+        public int ID { get; private set; }
+
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null) return null;
+            return new Order()
+            {
+                ID = model.ID,
+                ProductID = model.ProductID,
+                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),
+                ProductID = Convert.ToInt32(element.Element("ProductID")!.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,
+            ProductID = ProductID,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+        public XElement GetXElement => new("Order", new XAttribute("ID", ID),
+                                        new XElement("ProductID", ProductID),
+                                        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()));
+                
+    }
+}

Diner/DinerShopImplement/Models/Snack.cs

@@ -0,0 +1,83 @@
+using DinerContracts.BindingModels;
+using DinerContracts.ViewModels;
+using DinerDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+using System.Xml.XPath;
+
+namespace DinerFileImplement.Models
+{
+    internal class Snack : ISnackModel
+    {
+        public string ProductName { get; private set; } = string.Empty;
+
+        public double Price { get; private set; }
+
+        public int ID { get; private set; }
+
+        public Dictionary<int, int> Components { get; private set; } = new();
+        private Dictionary<int, (IFoodModel, int)>? _productComponents = null;
+        public Dictionary<int, (IFoodModel, int)> ProductComponents
+        {
+            get
+            {
+                if (_productComponents == null) {
+                    var source = DataFileSingleton.GetInstance();
+                    _productComponents = Components.ToDictionary(x => x.Key, y => ((source.Foods.FirstOrDefault(z => z.ID ==
+                                                                    y.Key) as IFoodModel)!, y.Value));
+                }
+                return _productComponents;
+            }
+        }
+
+        public static Snack? Create(SnackBindingModel? model)
+        {
+            if (model == null) return null;
+            return new Snack()
+            {
+                ID = model.ID,
+                ProductName = model.ProductName,
+                Price = model.Price,
+                Components = model.ProductComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+        public static Snack? Create(XElement element)
+        {
+            if (element == null) return null;
+            return new Snack()
+            {
+                ID = Convert.ToInt32(element.Attribute("ID")!.Value),
+                ProductName = element.Element("ProductName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("ProductComponents")!.Elements("ProductComponent")
+                                .ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(SnackBindingModel? model)
+        {
+            if (model == null) return;
+            ProductName = model.ProductName;
+            Price = model.Price;
+            Components = model.ProductComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _productComponents = null;
+        }
+        public SnackViewModel GetViewModel => new()
+        {
+            ID = ID,
+            ProductName = ProductName,
+            Price = Price,
+            ProductComponents = ProductComponents
+        };
+        public XElement GetXElement => new("Snack", new XAttribute("ID", ID),
+                                        new XElement("ProductName", ProductName),
+                                        new XElement("Price", Price.ToString()),
+                                        new XElement("ProductComponents", Components.Select(x => new XElement("ProductComponent",
+                                                                                                    new XElement("Key", x.Key),
+                                                                                                    new XElement("Value", x.Value))).ToArray()));
+    }
+}

Diner/DinerView/DinerView.csproj

@@ -27,7 +27,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\DinerContracts\DinerContracts.csproj" />
-    <ProjectReference Include="..\DinerListImplement\DinerListImplement.csproj" />
+    <ProjectReference Include="..\DinerShopImplement\DinerFileImplement.csproj" />
     <ProjectReference Include="..\DineryBusinessLogic\DineryBusinessLogic.csproj" />
   </ItemGroup>
 

Diner/DinerView/FormFood.Designer.cs

@@ -100,7 +100,7 @@
             Controls.Add(labelPrice);
             Controls.Add(labelName);
             Name = "FormFood";
-            Text = "Food";
+            Text = "Продукт питания";
             Load += FormComponent_Load;
             ResumeLayout(false);
             PerformLayout();

Diner/DinerView/FormFoods.Designer.cs

@@ -105,7 +105,7 @@
             Controls.Add(buttonAdd);
             Controls.Add(dataGridView);
             Name = "FormFoods";
-            Text = "Foods";
+            Text = "Продукты";
             Load += FormComponents_Load;
             ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
             ResumeLayout(false);

Diner/DinerView/FormMain.Designer.cs

@@ -62,14 +62,14 @@
             // toolStripMenuItemFoods
             // 
             toolStripMenuItemFoods.Name = "toolStripMenuItemFoods";
-            toolStripMenuItemFoods.Size = new Size(129, 22);
+            toolStripMenuItemFoods.Size = new Size(180, 22);
             toolStripMenuItemFoods.Text = "Продукты";
             toolStripMenuItemFoods.Click += toolStripMenuItemFoods_Click;
             // 
             // toolStripMenuItemSnacks
             // 
             toolStripMenuItemSnacks.Name = "toolStripMenuItemSnacks";
-            toolStripMenuItemSnacks.Size = new Size(129, 22);
+            toolStripMenuItemSnacks.Size = new Size(180, 22);
             toolStripMenuItemSnacks.Text = "Снэки";
             toolStripMenuItemSnacks.Click += toolStripMenuItemSnacks_Click;
             // 
@@ -155,7 +155,7 @@
             Controls.Add(menuStrip);
             MainMenuStrip = menuStrip;
             Name = "FormMain";
-            Text = "FormMain";
+            Text = "Заказы";
             Load += FormMain_Load;
             menuStrip.ResumeLayout(false);
             menuStrip.PerformLayout();

Diner/DinerView/FormMain.cs

@@ -40,6 +40,7 @@ namespace DinerView
                 {
                     dataGridView.DataSource = list;
                     dataGridView.Columns["ProductID"].Visible = false;
+                    dataGridView.Columns["Sum"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                 }
                 _logger.LogInformation("Загрузка заказов");
             }

Diner/DinerView/FormSnack.Designer.cs

@@ -38,11 +38,11 @@
             buttonChange = new Button();
             buttonAdd = new Button();
             dataGridView = new DataGridView();
-            buttonCancel = new Button();
-            buttonSave = new Button();
             ColumnID = new DataGridViewTextBoxColumn();
             ColumnFood = new DataGridViewTextBoxColumn();
             ColumnCount = new DataGridViewTextBoxColumn();
+            buttonCancel = new Button();
+            buttonSave = new Button();
             groupBoxFoods.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
             SuspendLayout();
@@ -160,26 +160,6 @@
             dataGridView.Size = new Size(437, 351);
             dataGridView.TabIndex = 0;
             // 
-            // buttonCancel
-            // 
-            buttonCancel.Location = new Point(587, 30);
-            buttonCancel.Name = "buttonCancel";
-            buttonCancel.Size = new Size(82, 27);
-            buttonCancel.TabIndex = 5;
-            buttonCancel.Text = "Отмена";
-            buttonCancel.UseVisualStyleBackColor = true;
-            buttonCancel.Click += buttonCancel_Click;
-            // 
-            // buttonSave
-            // 
-            buttonSave.Location = new Point(499, 30);
-            buttonSave.Name = "buttonSave";
-            buttonSave.Size = new Size(82, 27);
-            buttonSave.TabIndex = 6;
-            buttonSave.Text = "Сохранить";
-            buttonSave.UseVisualStyleBackColor = true;
-            buttonSave.Click += buttonSave_Click;
-            // 
             // ColumnID
             // 
             ColumnID.HeaderText = "ID";
@@ -200,6 +180,26 @@
             ColumnCount.Name = "ColumnCount";
             ColumnCount.ReadOnly = true;
             // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(587, 30);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(82, 27);
+            buttonCancel.TabIndex = 5;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(499, 30);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(82, 27);
+            buttonSave.TabIndex = 6;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
             // FormSnack
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
@@ -213,7 +213,7 @@
             Controls.Add(labelPrice);
             Controls.Add(labelName);
             Name = "FormSnack";
-            Text = "Snack";
+            Text = "Снэки";
             Load += FormSnack_Load;
             groupBoxFoods.ResumeLayout(false);
             ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();

Diner/DinerView/FormSnackFood.Designer.cs

@@ -103,7 +103,7 @@
             Controls.Add(labelCount);
             Controls.Add(labelComponent);
             Name = "FormSnackFood";
-            Text = "Snack food";
+            Text = "Продукты для снэков";
             ResumeLayout(false);
             PerformLayout();
         }

Diner/DinerView/FormSnacks.Designer.cs

@@ -105,7 +105,7 @@
             Controls.Add(buttonAdd);
             Controls.Add(dataGridView);
             Name = "FormSnacks";
-            Text = "FormSnacks";
+            Text = "Снэки";
             Load += FormSnacks_Load;
             ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
             ResumeLayout(false);

Diner/DinerView/Program.cs

@@ -1,6 +1,6 @@
 using DinerContracts.BusinessLogicsContacts;
 using DinerContracts.StoragesContracts;
-using DinerListImplement.Implements;
+using DinerFileImplement.Implements;
 using DineryBusinessLogic.BusinessLogic;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;

Diner/DineryBusinessLogic/BusinessLogic/SnackLogic.cs

@@ -86,7 +86,7 @@ namespace DineryBusinessLogic.BusinessLogic
             if (model.Price <= 0)
                 throw new ArgumentNullException("Цена продукта должна быть больше 0", nameof(model.Price));
             _logger.LogInformation("Product. ProductName:{ProductName}. Price:{Price}. ID:{ID}",
-                                    model.ProductName, model.Price, model.Price);
+                                    model.ProductName, model.Price, model.ID);
             var element = _productStorage.GetElement(new SnackSearchModel { ProductName = model.ProductName });
             if (element != null && element.ID != model.ID)
                 throw new InvalidOperationException("Продукт с таким названием уже есть");