Дополнил

PersonnelDepartmentView/PersonnelDepartmentBusinessLogic/BusinessLogics/BackUpLogic.cs

@@ -0,0 +1,90 @@
+using PersonnelDepartmentContracts.BindingModels;
+using PersonnelDepartmentContracts.BusinessLogicContracts;
+using PersonnelDepartmentContracts.StoragesContracts;
+using PersonnelDepartmentDataModels;
+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 PersonnelDepartmentBusinessLogic.BusinessLogics
+{
+	public class BackUpLogic : IBackUpLogic
+	{
+		private readonly IBackUpInfo _backUpInfo;
+
+		public BackUpLogic(IBackUpInfo backUpInfo)
+		{
+			_backUpInfo = backUpInfo;
+		}
+
+		public void CreateBackUp(BackUpBinidngModel 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);
+		}
+	}
+}

PersonnelDepartmentView/PersonnelDepartmentContracts/BindingModels/BackUpBinidngModel.cs

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

PersonnelDepartmentView/PersonnelDepartmentContracts/BusinessLogicContracts/IBackUpLogic.cs

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

PersonnelDepartmentView/PersonnelDepartmentContracts/StoragesContracts/IBackUpInfo.cs

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

PersonnelDepartmentView/PersonnelDepartmentDatabaseImplement/Implements/BackUpInfo.cs

@@ -0,0 +1,32 @@
+using PersonnelDepartmentContracts.StoragesContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PersonnelDepartmentDatabaseImplement.Implements
+{
+	public class BackUpInfo : IBackUpInfo
+	{
+		public List<T>? GetList<T>() where T : class, new()
+		{
+			using var context = new PersonnelDepartmentDatabase();
+			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;
+		}
+	}
+}

PersonnelDepartmentView/PersonnelDepartmentView/FormDeals.Designer.cs

@@ -38,6 +38,7 @@
 			buttonPosition = new Button();
 			buttonType = new Button();
 			buttonGenerate = new Button();
+			buttonBackUp = new Button();
 			((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
 			SuspendLayout();
 			// 
@@ -142,8 +143,8 @@
 			// 
 			// buttonGenerate
 			// 
-			buttonGenerate.Anchor = AnchorStyles.Bottom;
+			buttonGenerate.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
-			buttonGenerate.Location = new Point(391, 415);
+			buttonGenerate.Location = new Point(12, 415);
 			buttonGenerate.Name = "buttonGenerate";
 			buttonGenerate.Size = new Size(163, 23);
 			buttonGenerate.TabIndex = 9;
@@ -151,12 +152,24 @@
 			buttonGenerate.UseVisualStyleBackColor = true;
 			buttonGenerate.Click += ButtonGenerate_Click;
 			// 
+			// buttonBackUp
+			// 
+			buttonBackUp.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
+			buttonBackUp.Location = new Point(783, 415);
+			buttonBackUp.Name = "buttonBackUp";
+			buttonBackUp.Size = new Size(117, 23);
+			buttonBackUp.TabIndex = 10;
+			buttonBackUp.Text = "Создать BackUp";
+			buttonBackUp.UseVisualStyleBackColor = true;
+			buttonBackUp.Click += CreateBackup_Click;
+			// 
 			// FormDeals
 			// 
 			AutoScaleDimensions = new SizeF(7F, 15F);
 			AutoScaleMode = AutoScaleMode.Font;
 			BackColor = SystemColors.Control;
 			ClientSize = new Size(914, 446);
+			Controls.Add(buttonBackUp);
 			Controls.Add(buttonGenerate);
 			Controls.Add(buttonType);
 			Controls.Add(buttonPosition);
@@ -187,5 +200,6 @@
 		private Button buttonPosition;
 		private Button buttonType;
 		private Button buttonGenerate;
+		private Button buttonBackUp;
 	}
 }

PersonnelDepartmentView/PersonnelDepartmentView/FormDeals.cs

@@ -6,11 +6,13 @@ namespace PersonnelDepartmentView
 	public partial class FormDeals : Form
 	{
 		private readonly IDealLogic _dealLogic;
+		private readonly IBackUpLogic _backUpLogic;
 
-		public FormDeals(IDealLogic dealLogic)
+		public FormDeals(IDealLogic dealLogic, IBackUpLogic backUpLogic)
 		{
 			InitializeComponent();
 			_dealLogic = dealLogic;
+			_backUpLogic = backUpLogic;
 		}
 
 		private void LoadData()
@@ -148,5 +150,31 @@ namespace PersonnelDepartmentView
 				form.ShowDialog();
 			}
 		}
+
+		private void CreateBackup_Click(object sender, EventArgs e)
+		{
+			try
+			{
+				if (_backUpLogic != null)
+				{
+					var fbd = new FolderBrowserDialog();
+					if (fbd.ShowDialog() == DialogResult.OK)
+					{
+						_backUpLogic.CreateBackUp(new BackUpBinidngModel
+						{
+							FolderName = fbd.SelectedPath
+						});
+						MessageBox.Show("Áåêàï ñîçäàí", "Ñîîáùåíèå",
+					   MessageBoxButtons.OK, MessageBoxIcon.Information);
+					}
+				}
+			}
+			catch (Exception ex)
+			{
+				MessageBox.Show(ex.Message, "Îøèáêà", MessageBoxButtons.OK,
+			   MessageBoxIcon.Error);
+			}
+
+		}
 	}
 }

PersonnelDepartmentView/PersonnelDepartmentView/Program.cs

@@ -34,12 +34,14 @@ namespace PersonnelDepartmentView
 			services.AddTransient<IEmployeeLogic, EmployeeLogic>();
 			services.AddTransient<IPositionLogic, PositionLogic>();
 			services.AddTransient<ITypeLogic, TypeLogic>();
+			services.AddTransient<IBackUpLogic, BackUpLogic>();
 
 			services.AddTransient<IDealStorage, DealStorage>();
 			services.AddTransient<IDepartmentStorage, DepartmentStorage>();
 			services.AddTransient<IEmployeeStorage, EmployeeStorage>();
 			services.AddTransient<ITypeStorage, TypeStorage>();
 			services.AddTransient<IPositionStorage, PositionStorage>();
+			services.AddTransient<IBackUpInfo, BackUpInfo>();
 
 			services.AddTransient<FormDeal>();
 			services.AddTransient<FormDeals>();