Добавил бэкапы

Restaurant/RestaurantBusinessLogic/BusinessLogics/BackUpLogic.cs

@@ -0,0 +1,90 @@
+using RestaurantContracts.BindingModels;
+using RestaurantContracts.BusinessLogicsContracts;
+using RestaurantContracts.StoragesContracts;
+using RestaurantDataModels;
+using System;
+using System.Collections.Generic;
+using System.IO.Compression;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.Serialization.Json;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RestaurantBusinessLogic.BusinessLogics
+{
+    public class BackUpLogic : IBackUpLogic
+    {
+        private readonly IBackUpInfo _backUpInfo;
+
+        public BackUpLogic(IBackUpInfo backUpInfo)
+        {
+            _backUpInfo = backUpInfo;
+        }
+
+        public void CreateBackUp(BackUpBindingModel model)
+        {
+            if (_backUpInfo == null)
+            {
+                return;
+            }
+            try
+            {
+                var dirInfo = new DirectoryInfo(model.FolderName);
+                if (dirInfo.Exists)
+                {
+                    foreach (var file in dirInfo.GetFiles())
+                    {
+                        file.Delete();
+                    }
+                }
+                string fileName = $"{model.FolderName}.zip";
+                if (File.Exists(fileName))
+                {
+                    File.Delete(fileName);
+                }
+                var typeIId = typeof(IId);
+                var assembly = typeIId.Assembly;
+                if (assembly == null)
+                {
+                    throw new ArgumentNullException("Сборка не найдена", nameof(assembly));
+                }
+                var types = assembly.GetTypes();
+                var method = GetType().GetMethod("SaveToFile", BindingFlags.NonPublic | BindingFlags.Instance);
+                foreach (var type in types)
+                {
+                    if (type.IsInterface && type.GetInterface(typeIId.Name) != null)
+                    {
+                        var modelType = _backUpInfo.GetTypeByModelInterface(type.Name);
+                        if (modelType == null)
+                        {
+                            throw new InvalidOperationException($"Не найден класс-модель для {type.Name}");
+                        }
+                        // вызываем метод на выполнение
+                        method?.MakeGenericMethod(modelType).Invoke(this, new object[] { model.FolderName });
+                    }
+                }
+                // архивируем
+                ZipFile.CreateFromDirectory(model.FolderName, fileName);
+                // удаляем папку
+                dirInfo.Delete(true);
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+        }
+
+        private void SaveToFile<T>(string folderName) where T : class, new()
+        {
+            var records = _backUpInfo.GetList<T>();
+            if (records == null)
+            {
+                return;
+            }
+            var jsonFormatter = new DataContractJsonSerializer(typeof(List<T>));
+            using var fs = new FileStream(string.Format("{0}/{1}.json", folderName, typeof(T).Name), FileMode.OpenOrCreate);
+            jsonFormatter.WriteObject(fs, records);
+        }
+    }
+}

Restaurant/RestaurantContracts/BindingModels/BackUpBindingModel.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RestaurantContracts.BindingModels
+{
+    public class BackUpBindingModel
+    {
+        public string FolderName { get; set; } = string.Empty;
+    }
+}

Restaurant/RestaurantContracts/BusinessLogicsContracts/IBackUpLogic.cs

@@ -0,0 +1,14 @@
+using RestaurantContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RestaurantContracts.BusinessLogicsContracts
+{
+    public interface IBackUpLogic
+    {
+        void CreateBackUp(BackUpBindingModel model);
+    }
+}

Restaurant/RestaurantContracts/StoragesContracts/IBackUpInfo.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RestaurantContracts.StoragesContracts
+{
+    public interface IBackUpInfo
+    {
+        List<T>? GetList<T>() where T : class, new();
+        Type? GetTypeByModelInterface(string modelInterfaceName);
+    }
+}

Restaurant/RestaurantDatabaseImplement/Implements/BackUpInfo.cs

@@ -0,0 +1,32 @@
+using RestaurantContracts.StoragesContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RestaurantDatabaseImplement.Implements
+{
+    public class BackUpInfo : IBackUpInfo
+    {
+        public List<T>? GetList<T>() where T : class, new()
+        {
+            using var context = new RestaurantDatabase();
+            return context.Set<T>().ToList();
+        }
+        public Type? GetTypeByModelInterface(string modelInterfaceName)
+        {
+            var assembly = typeof(BackUpInfo).Assembly;
+            var types = assembly.GetTypes();
+            foreach (var type in types)
+            {
+                if (type.IsClass &&
+                type.GetInterface(modelInterfaceName) != null)
+                {
+                    return type;
+                }
+            }
+            return null;
+        }
+    }
+}

Restaurant/RestaurantView/FormMain.Designer.cs

@@ -35,6 +35,7 @@
             this.ProvidersToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.ComponentsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.ProductsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.backUpToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.buttonUpd = new System.Windows.Forms.Button();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.menuStrip1.SuspendLayout();
@@ -65,7 +66,8 @@
             this.ClientsToolStripMenuItem,
             this.ProvidersToolStripMenuItem,
             this.ComponentsToolStripMenuItem,
-            this.ProductsToolStripMenuItem});
+            this.ProductsToolStripMenuItem,
+            this.backUpToolStripMenuItem});
             this.menuStrip1.Location = new System.Drawing.Point(0, 0);
             this.menuStrip1.Name = "menuStrip1";
             this.menuStrip1.Size = new System.Drawing.Size(1163, 24);
@@ -100,6 +102,13 @@
             this.ProductsToolStripMenuItem.Text = "Продукты";
             this.ProductsToolStripMenuItem.Click += new System.EventHandler(this.ProductsToolStripMenuItem_Click);
             // 
+            // backUpToolStripMenuItem
+            // 
+            this.backUpToolStripMenuItem.Name = "backUpToolStripMenuItem";
+            this.backUpToolStripMenuItem.Size = new System.Drawing.Size(51, 20);
+            this.backUpToolStripMenuItem.Text = "Бэкап";
+            this.backUpToolStripMenuItem.Click += new System.EventHandler(this.backUpToolStripMenuItem_Click);
+            // 
             // buttonUpd
             // 
             this.buttonUpd.Location = new System.Drawing.Point(785, 12);
@@ -141,5 +150,6 @@
         private ToolStripMenuItem ComponentsToolStripMenuItem;
         private ToolStripMenuItem ProductsToolStripMenuItem;
         private Button buttonUpd;
+        private ToolStripMenuItem backUpToolStripMenuItem;
     }
 }

Restaurant/RestaurantView/FormMain.cs

@@ -1,4 +1,5 @@
-using RestaurantContracts.BusinessLogicsContracts;
+using RestaurantContracts.BindingModels;
+using RestaurantContracts.BusinessLogicsContracts;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -15,10 +16,13 @@ namespace RestaurantView
     {
         private readonly IOrderLogic _orderLogic;
 
-        public FormMain(IOrderLogic orderLogic)
+        private readonly IBackUpLogic _backUpLogic;
+
+        public FormMain(IOrderLogic orderLogic, IBackUpLogic backUpLogic)
         {
             InitializeComponent();
             _orderLogic = orderLogic;
+            _backUpLogic = backUpLogic;
         }
 
         private void LoadData()
@@ -94,5 +98,30 @@ namespace RestaurantView
         {
             LoadData();
         }
+
+        private void backUpToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                if (_backUpLogic != null)
+                {
+                    var fbd = new FolderBrowserDialog();
+                    if (fbd.ShowDialog() == DialogResult.OK)
+                    {
+                        _backUpLogic.CreateBackUp(new BackUpBindingModel
+                        {
+                            FolderName = fbd.SelectedPath
+                        });
+                        MessageBox.Show("Áåêàï ñîçäàí", "Ñîîáùåíèå",
+                       MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Îøèáêà", MessageBoxButtons.OK,
+               MessageBoxIcon.Error);
+            }
+        }
     }
 }

Restaurant/RestaurantView/Program.cs

@@ -33,12 +33,14 @@ namespace RestaurantView
             services.AddTransient<IProductStorage, ProductStorage>();
             services.AddTransient<IOrderStorage, OrderStorage>();
             services.AddTransient<IProviderStorage, ProviderStorage>();
+            services.AddTransient<IBackUpInfo, BackUpInfo>();
 
             services.AddTransient<IClientLogic, ClientLogic>();
             services.AddTransient<IComponentLogic, ComponentLogic>();
             services.AddTransient<IProductLogic, ProductLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
             services.AddTransient<IProviderLogic, ProviderLogic>();
+            services.AddTransient<IBackUpLogic, BackUpLogic>();
 
             services.AddTransient<FormMain>();
             services.AddTransient<FormClients>();