5 лаба

CarRent/FormCreateBranch.Designer.cs

@@ -36,6 +36,7 @@
 			this.label1 = new System.Windows.Forms.Label();
 			this.buttonCancel = new System.Windows.Forms.Button();
 			this.buttonAdd = new System.Windows.Forms.Button();
+			this.buttonTestAdd = new System.Windows.Forms.Button();
 			this.SuspendLayout();
 			// 
 			// textBoxPhoneNumber
@@ -106,11 +107,22 @@
 			this.buttonAdd.UseVisualStyleBackColor = true;
 			this.buttonAdd.Click += new System.EventHandler(this.buttonAdd_Click);
 			// 
+			// buttonTestAdd
+			// 
+			this.buttonTestAdd.Location = new System.Drawing.Point(176, 11);
+			this.buttonTestAdd.Name = "buttonTestAdd";
+			this.buttonTestAdd.Size = new System.Drawing.Size(75, 54);
+			this.buttonTestAdd.TabIndex = 28;
+			this.buttonTestAdd.Text = "Добавить 1000 филиалов";
+			this.buttonTestAdd.UseVisualStyleBackColor = true;
+			this.buttonTestAdd.Click += new System.EventHandler(this.buttonTestAdd_Click);
+			// 
 			// FormCreateBranch
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 			this.ClientSize = new System.Drawing.Size(263, 155);
+			this.Controls.Add(this.buttonTestAdd);
 			this.Controls.Add(this.buttonCancel);
 			this.Controls.Add(this.buttonAdd);
 			this.Controls.Add(this.textBoxPhoneNumber);
@@ -139,5 +151,6 @@
 		private Label label1;
 		private Button buttonCancel;
 		private Button buttonAdd;
+		private Button buttonTestAdd;
 	}
 }

CarRent/FormCreateBranch.cs

@@ -1,6 +1,8 @@
-using CarRentContracts.BindingModels;
+using CarRentBusinessLogic.BusinessLogics;
+using CarRentContracts.BindingModels;
 using CarRentContracts.BusinessLogicContracts;
 using CarRentContracts.SearchModels;
+using ClientRentBusinessLogic.BusinessLogics;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -98,5 +100,17 @@ namespace CarRent
 				}
 			}
 		}
+
+		private void buttonTestAdd_Click(object sender, EventArgs e)
+		{
+			try
+			{
+				_branchLogic.BranchInsertList(1000);
+			}
+			catch (Exception ex)
+			{
+				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			}
+		}
 	}
 }

CarRent/FormCreateCar.Designer.cs

@@ -44,6 +44,7 @@
 			this.buttonAdd = new System.Windows.Forms.Button();
 			this.buttonCancel = new System.Windows.Forms.Button();
 			this.dateTimePicker = new System.Windows.Forms.DateTimePicker();
+			this.buttonTestAdd = new System.Windows.Forms.Button();
 			this.SuspendLayout();
 			// 
 			// label1
@@ -179,11 +180,22 @@
 			this.dateTimePicker.Size = new System.Drawing.Size(145, 23);
 			this.dateTimePicker.TabIndex = 16;
 			// 
+			// buttonTestAdd
+			// 
+			this.buttonTestAdd.Location = new System.Drawing.Point(180, 185);
+			this.buttonTestAdd.Name = "buttonTestAdd";
+			this.buttonTestAdd.Size = new System.Drawing.Size(75, 54);
+			this.buttonTestAdd.TabIndex = 29;
+			this.buttonTestAdd.Text = "Добавить 1000 машин";
+			this.buttonTestAdd.UseVisualStyleBackColor = true;
+			this.buttonTestAdd.Click += new System.EventHandler(this.buttonTestAdd_Click);
+			// 
 			// FormCreateCar
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 			this.ClientSize = new System.Drawing.Size(267, 323);
+			this.Controls.Add(this.buttonTestAdd);
 			this.Controls.Add(this.dateTimePicker);
 			this.Controls.Add(this.buttonCancel);
 			this.Controls.Add(this.buttonAdd);
@@ -226,5 +238,6 @@
 		private Button buttonAdd;
 		private Button buttonCancel;
 		private DateTimePicker dateTimePicker;
+		private Button buttonTestAdd;
 	}
 }

CarRent/FormCreateCar.cs

@@ -142,5 +142,17 @@ namespace CarRent
 				}
 			}
 		}
+
+		private void buttonTestAdd_Click(object sender, EventArgs e)
+		{
+			try
+			{
+				_carLogic.CarInsertList(1000, _branchLogic.ReadList(null));
+			}
+			catch (Exception ex)
+			{
+				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			}
+		}
 	}
 }

CarRent/FormCreateClient.Designer.cs

@@ -40,6 +40,7 @@
 			this.label1 = new System.Windows.Forms.Label();
 			this.buttonCancel = new System.Windows.Forms.Button();
 			this.buttonAdd = new System.Windows.Forms.Button();
+			this.buttonTestAdd = new System.Windows.Forms.Button();
 			this.SuspendLayout();
 			// 
 			// textBoxDriveLicense
@@ -143,11 +144,22 @@
 			this.buttonAdd.UseVisualStyleBackColor = true;
 			this.buttonAdd.Click += new System.EventHandler(this.buttonAdd_Click);
 			// 
+			// buttonTestAdd
+			// 
+			this.buttonTestAdd.Location = new System.Drawing.Point(176, 97);
+			this.buttonTestAdd.Name = "buttonTestAdd";
+			this.buttonTestAdd.Size = new System.Drawing.Size(75, 54);
+			this.buttonTestAdd.TabIndex = 30;
+			this.buttonTestAdd.Text = "Добавить 50 клиентов";
+			this.buttonTestAdd.UseVisualStyleBackColor = true;
+			this.buttonTestAdd.Click += new System.EventHandler(this.buttonTestAdd_Click);
+			// 
 			// FormCreateClient
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 			this.ClientSize = new System.Drawing.Size(263, 237);
+			this.Controls.Add(this.buttonTestAdd);
 			this.Controls.Add(this.buttonCancel);
 			this.Controls.Add(this.buttonAdd);
 			this.Controls.Add(this.textBoxDriveLicense);
@@ -182,5 +194,6 @@
 		private Label label1;
 		private Button buttonCancel;
 		private Button buttonAdd;
+		private Button buttonTestAdd;
 	}
 }

CarRent/FormCreateClient.cs

@@ -118,5 +118,17 @@ namespace CarRent
 				}
 			}
 		}
+
+		private void buttonTestAdd_Click(object sender, EventArgs e)
+		{
+			try
+			{
+				_clientLogic.ClientInsertList(50);
+			}
+			catch (Exception ex)
+			{
+				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			}
+		}
 	}
 }

CarRent/FormCreateRental.cs

@@ -86,7 +86,7 @@ namespace CarRent
 					Id = _id ?? 0,
 					StartDate = DateTime.SpecifyKind(dateTimePickerStart.Value, DateTimeKind.Utc),
 					EndDate = DateTime.SpecifyKind(dateTimePickerEnd.Value, DateTimeKind.Utc),
-					RentalCost = Convert.ToInt32(textBoxCost.Text),
+					RentalCost = Convert.ToInt32(Math.Round(Convert.ToDouble(textBoxCost.Text))),
 					ClientId = Convert.ToInt32(comboBoxClient.SelectedValue),
 					CarId = Convert.ToInt32(comboBoxCar.SelectedValue),
 				};

CarRent/FormRentals.Designer.cs

@@ -35,9 +35,9 @@
 			this.филиалыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.автомобилиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.клиентыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+			this.тестыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.comboBoxClientsEmail = new System.Windows.Forms.ComboBox();
 			this.buttonAddReview = new System.Windows.Forms.Button();
-			this.тестыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
 			this.menuStrip1.SuspendLayout();
 			this.SuspendLayout();
@@ -106,6 +106,13 @@
 			this.клиентыToolStripMenuItem.Text = "Клиенты";
 			this.клиентыToolStripMenuItem.Click += new System.EventHandler(this.клиентыToolStripMenuItem_Click);
 			// 
+			// тестыToolStripMenuItem
+			// 
+			this.тестыToolStripMenuItem.Name = "тестыToolStripMenuItem";
+			this.тестыToolStripMenuItem.Size = new System.Drawing.Size(51, 20);
+			this.тестыToolStripMenuItem.Text = "Тесты";
+			this.тестыToolStripMenuItem.Click += new System.EventHandler(this.testsToolStripMenuItem_Click);
+			// 
 			// comboBoxClientsEmail
 			// 
 			this.comboBoxClientsEmail.FormattingEnabled = true;
@@ -113,6 +120,7 @@
 			this.comboBoxClientsEmail.Name = "comboBoxClientsEmail";
 			this.comboBoxClientsEmail.Size = new System.Drawing.Size(121, 23);
 			this.comboBoxClientsEmail.TabIndex = 14;
+			this.comboBoxClientsEmail.SelectedIndexChanged += new System.EventHandler(this.comboBoxClientsEmail_SelectedIndexChanged);
 			// 
 			// buttonAddReview
 			// 
@@ -124,13 +132,6 @@
 			this.buttonAddReview.UseVisualStyleBackColor = true;
 			this.buttonAddReview.Click += new System.EventHandler(this.buttonAddReview_Click);
 			// 
-			// тестыToolStripMenuItem
-			// 
-			this.тестыToolStripMenuItem.Name = "тестыToolStripMenuItem";
-			this.тестыToolStripMenuItem.Size = new System.Drawing.Size(51, 20);
-			this.тестыToolStripMenuItem.Text = "Тесты";
-			this.тестыToolStripMenuItem.Click += new System.EventHandler(this.testsToolStripMenuItem_Click);
-			// 
 			// FormRentals
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);

CarRent/FormRentals.cs

@@ -1,4 +1,5 @@
 using CarRentContracts.BusinessLogicContracts;
+using CarRentContracts.SearchModels;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -32,6 +33,13 @@ namespace CarRent
 
 				var listClients = _clientLogic.ReadList(null);
 
+				if (listClients != null)
+				{
+					comboBoxClientsEmail.DisplayMember = "Email";
+					comboBoxClientsEmail.ValueMember = "Id";
+					comboBoxClientsEmail.DataSource = listClients;
+					comboBoxClientsEmail.SelectedItem = null;
+				}
 				if (list != null)
 				{
 					dataGridView.DataSource = list;
@@ -40,17 +48,21 @@ namespace CarRent
 					dataGridView.Columns["Id"].Visible = false;
 				}
 
-				if (listClients != null)
-				{
-					comboBoxClientsEmail.DisplayMember = "Email";
-					comboBoxClientsEmail.ValueMember = "Id";
-					comboBoxClientsEmail.DataSource = listClients;
-					comboBoxClientsEmail.SelectedItem = null;
-				}
 			}
 			catch (Exception ex)
 			{}
 		}
+		private void LoadData(int id)
+		{
+			var list = _rentalLogic.ReadList(new RentalSearchModel
+			{
+				ClientId = id,
+			});
+			dataGridView.DataSource = list;
+			dataGridView.Columns["ClientId"].Visible = false;
+			dataGridView.Columns["CarId"].Visible = false;
+			dataGridView.Columns["Id"].Visible = false;
+		}
 		private void филиалыToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			var service = Program.ServiceProvider?.GetService(typeof(FormBranches));
@@ -131,5 +143,10 @@ namespace CarRent
 				LoadData();
 			}
 		}
+
+		private void comboBoxClientsEmail_SelectedIndexChanged(object sender, EventArgs e)
+		{
+			LoadData(Convert.ToInt32(comboBoxClientsEmail.SelectedValue));
+		}
 	}
 }

CarRent/FormTests.Designer.cs

@@ -38,8 +38,14 @@
 			this.label4 = new System.Windows.Forms.Label();
 			this.numericUpDownInsert = new System.Windows.Forms.NumericUpDown();
 			this.numericUpDownRead = new System.Windows.Forms.NumericUpDown();
+			this.buttonJoinQuery = new System.Windows.Forms.Button();
+			this.numericUpDownJoin = new System.Windows.Forms.NumericUpDown();
+			this.textBoxJoin = new System.Windows.Forms.TextBox();
+			this.label5 = new System.Windows.Forms.Label();
+			this.label6 = new System.Windows.Forms.Label();
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownInsert)).BeginInit();
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownRead)).BeginInit();
+			((System.ComponentModel.ISupportInitialize)(this.numericUpDownJoin)).BeginInit();
 			this.SuspendLayout();
 			// 
 			// buttonInsertTest
@@ -128,11 +134,59 @@
 			this.numericUpDownRead.Size = new System.Drawing.Size(100, 23);
 			this.numericUpDownRead.TabIndex = 11;
 			// 
+			// buttonJoinQuery
+			// 
+			this.buttonJoinQuery.Location = new System.Drawing.Point(12, 197);
+			this.buttonJoinQuery.Name = "buttonJoinQuery";
+			this.buttonJoinQuery.Size = new System.Drawing.Size(75, 74);
+			this.buttonJoinQuery.TabIndex = 12;
+			this.buttonJoinQuery.Text = "Тест сложного чтения (Join)";
+			this.buttonJoinQuery.UseVisualStyleBackColor = true;
+			this.buttonJoinQuery.Click += new System.EventHandler(this.buttonJoinQuery_Click);
+			// 
+			// numericUpDownJoin
+			// 
+			this.numericUpDownJoin.Location = new System.Drawing.Point(266, 195);
+			this.numericUpDownJoin.Name = "numericUpDownJoin";
+			this.numericUpDownJoin.Size = new System.Drawing.Size(100, 23);
+			this.numericUpDownJoin.TabIndex = 16;
+			// 
+			// textBoxJoin
+			// 
+			this.textBoxJoin.Location = new System.Drawing.Point(266, 235);
+			this.textBoxJoin.Name = "textBoxJoin";
+			this.textBoxJoin.ReadOnly = true;
+			this.textBoxJoin.Size = new System.Drawing.Size(100, 23);
+			this.textBoxJoin.TabIndex = 15;
+			// 
+			// label5
+			// 
+			this.label5.AutoSize = true;
+			this.label5.Location = new System.Drawing.Point(104, 238);
+			this.label5.Name = "label5";
+			this.label5.Size = new System.Drawing.Size(146, 15);
+			this.label5.TabIndex = 14;
+			this.label5.Text = "Итоговое время запроса:";
+			// 
+			// label6
+			// 
+			this.label6.AutoSize = true;
+			this.label6.Location = new System.Drawing.Point(104, 197);
+			this.label6.Name = "label6";
+			this.label6.Size = new System.Drawing.Size(156, 15);
+			this.label6.TabIndex = 13;
+			this.label6.Text = "Введите кол-во элементов:";
+			// 
 			// FormTests
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-			this.ClientSize = new System.Drawing.Size(383, 189);
+			this.ClientSize = new System.Drawing.Size(383, 286);
+			this.Controls.Add(this.numericUpDownJoin);
+			this.Controls.Add(this.textBoxJoin);
+			this.Controls.Add(this.label5);
+			this.Controls.Add(this.label6);
+			this.Controls.Add(this.buttonJoinQuery);
 			this.Controls.Add(this.numericUpDownRead);
 			this.Controls.Add(this.numericUpDownInsert);
 			this.Controls.Add(this.textBoxReadTime);
@@ -147,6 +201,7 @@
 			this.Text = "Тесты запросов к бд";
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownInsert)).EndInit();
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownRead)).EndInit();
+			((System.ComponentModel.ISupportInitialize)(this.numericUpDownJoin)).EndInit();
 			this.ResumeLayout(false);
 			this.PerformLayout();
 
@@ -164,5 +219,10 @@
 		private Label label4;
 		private NumericUpDown numericUpDownInsert;
 		private NumericUpDown numericUpDownRead;
+		private Button buttonJoinQuery;
+		private NumericUpDown numericUpDownJoin;
+		private TextBox textBoxJoin;
+		private Label label5;
+		private Label label6;
 	}
 }

CarRent/FormTests.cs

@@ -30,6 +30,8 @@ namespace CarRent
 			numericUpDownInsert.Maximum = 1000000;
 			numericUpDownRead.Minimum = 0;
 			numericUpDownRead.Maximum = 1000000;
+			numericUpDownJoin.Minimum = 0;
+			numericUpDownJoin.Maximum = 1000000;
 		}
 
 		private void buttonInsertTest_Click(object sender, EventArgs e)
@@ -60,5 +62,18 @@ namespace CarRent
 				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
 			}
 		}
+
+		private void buttonJoinQuery_Click(object sender, EventArgs e)
+		{
+			try
+			{
+				var result = _rentalLogic.TestJoinReadList(Convert.ToInt32(numericUpDownJoin.Value));
+				textBoxJoin.Text = result;
+			}
+			catch (Exception ex)
+			{
+				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			}
+		}
 	}
 }

CarRentBusinessLogic/BusinessLogics/BranchLogic.cs

@@ -18,6 +18,10 @@ namespace CarRentBusinessLogic.BusinessLogics
 		{		
 			_branchStorage = branchStorage;
 		}
+		public void BranchInsertList(int num)
+		{
+			_branchStorage.BranchInsertList(num);
+		}
 		public List<BranchViewModel>? ReadList(BranchSearchModel? model)
 		{			
 			var list = model == null ? _branchStorage.GetFullList() :

CarRentBusinessLogic/BusinessLogics/CarLogic.cs

@@ -18,6 +18,10 @@ namespace CarRentBusinessLogic.BusinessLogics
 		{
 			_carStorage = CarStorage;
 		}
+		public void CarInsertList(int num, List<BranchViewModel> branches)
+		{
+			_carStorage.CarInsertList(num, branches);
+		}
 		public List<CarViewModel>? ReadList(CarSearchModel? model)
 		{
 			var list = model == null ? _carStorage.GetFullList() :

CarRentBusinessLogic/BusinessLogics/ClientLogic.cs

@@ -13,15 +13,19 @@ namespace ClientRentBusinessLogic.BusinessLogics
 {
 	public class ClientLogic : IClientLogic
 	{
-		private readonly IClientStorage _ClientStorage;
+		private readonly IClientStorage _clientStorage;
 		public ClientLogic(IClientStorage ClientStorage)
 		{
-			_ClientStorage = ClientStorage;
+			_clientStorage = ClientStorage;
+		}
+		public void ClientInsertList(int num)
+		{
+			_clientStorage.ClientInsertList(num);
 		}
 		public List<ClientViewModel>? ReadList(ClientSearchModel? model)
 		{
-			var list = model == null ? _ClientStorage.GetFullList() :
+			var list = model == null ? _clientStorage.GetFullList() :
-								   _ClientStorage.GetFilteredList(model);
+								   _clientStorage.GetFilteredList(model);
 			if (list == null)
 			{
 				return null;
@@ -34,7 +38,7 @@ namespace ClientRentBusinessLogic.BusinessLogics
 			{
 				throw new ArgumentNullException(nameof(model));
 			}
-			var element = _ClientStorage.GetElement(model);
+			var element = _clientStorage.GetElement(model);
 			if (element == null)
 			{
 				return null;
@@ -44,7 +48,7 @@ namespace ClientRentBusinessLogic.BusinessLogics
 		public bool Create(ClientBindingModel model)
 		{
 			CheckModel(model);
-			if (_ClientStorage.Insert(model) == null)
+			if (_clientStorage.Insert(model) == null)
 			{
 				return false;
 			}
@@ -53,7 +57,7 @@ namespace ClientRentBusinessLogic.BusinessLogics
 		public bool Update(ClientBindingModel model)
 		{
 			CheckModel(model);
-			if (_ClientStorage.Update(model) == null)
+			if (_clientStorage.Update(model) == null)
 			{
 				return false;
 			}
@@ -62,7 +66,7 @@ namespace ClientRentBusinessLogic.BusinessLogics
 		public bool Delete(ClientBindingModel model)
 		{
 			CheckModel(model, false);
-			if (_ClientStorage.Delete(model) == null)
+			if (_clientStorage.Delete(model) == null)
 			{
 				return false;
 			}
@@ -104,7 +108,7 @@ namespace ClientRentBusinessLogic.BusinessLogics
 			   nameof(model.DriveLicenseNumber));
 			}
 
-			var element = _ClientStorage.GetElement(
+			var element = _clientStorage.GetElement(
 				new ClientSearchModel
 				{
 					DriveLicenseNumber = model.DriveLicenseNumber

CarRentBusinessLogic/BusinessLogics/RentalLogic.cs

@@ -28,6 +28,10 @@ namespace CarRentBusinessLogic.BusinessLogics
 		{
 			return _rentalStorage.TestReadList(num);
 		}
+		public string TestJoinReadList(int num)
+		{
+			return _rentalStorage.TestJoinReadList(num);
+		}
 		public List<RentalViewModel>? ReadList(RentalSearchModel? model)
 		{
 			var list = model == null ? _rentalStorage.GetFullList() :

CarRentContracts/BusinessLogicContracts/IBranchLogic.cs

@@ -16,5 +16,6 @@ namespace CarRentContracts.BusinessLogicContracts
 		bool Create(BranchBindingModel model);
 		bool Update(BranchBindingModel model);
 		bool Delete(BranchBindingModel model);
+		void BranchInsertList(int num);
 	}
 }

CarRentContracts/BusinessLogicContracts/ICarLogic.cs

@@ -16,5 +16,6 @@ namespace CarRentContracts.BusinessLogicContracts
 		bool Create(CarBindingModel model);
 		bool Update(CarBindingModel model);
 		bool Delete(CarBindingModel model);
+		void CarInsertList(int num, List<BranchViewModel> branches);
 	}
 }

CarRentContracts/BusinessLogicContracts/IClientLogic.cs

@@ -16,5 +16,6 @@ namespace CarRentContracts.BusinessLogicContracts
 		bool Create(ClientBindingModel model);
 		bool Update(ClientBindingModel model);
 		bool Delete(ClientBindingModel model);
+		void ClientInsertList(int num);
 	}
 }

CarRentContracts/BusinessLogicContracts/IRentalLogic.cs

@@ -20,5 +20,6 @@ namespace CarRentContracts.BusinessLogicContracts
 			List<ClientViewModel> clients,
 			List<CarViewModel> cars);
 		string TestReadList(int num);
+		string TestJoinReadList(int num);
 	}
 }

CarRentContracts/StoragesContracts/IBranchStorage.cs

@@ -17,5 +17,6 @@ namespace CarRentContracts.StoragesContracts
 		BranchViewModel? Insert(BranchBindingModel model);
 		BranchViewModel? Update(BranchBindingModel model);
 		BranchViewModel? Delete(BranchBindingModel model);
+		void BranchInsertList(int num);
 	}
 }

CarRentContracts/StoragesContracts/ICarStorage.cs

@@ -17,5 +17,6 @@ namespace CarRentContracts.StoragesContracts
 		CarViewModel? Insert(CarBindingModel model);
 		CarViewModel? Update(CarBindingModel model);
 		CarViewModel? Delete(CarBindingModel model);
+		void CarInsertList(int num, List<BranchViewModel> branches);
 	}
 }

CarRentContracts/StoragesContracts/IClientStorage.cs

@@ -17,5 +17,6 @@ namespace CarRentContracts.StoragesContracts
 		ClientViewModel? Insert(ClientBindingModel model);
 		ClientViewModel? Update(ClientBindingModel model);
 		ClientViewModel? Delete(ClientBindingModel model);
+		void ClientInsertList(int num);
 	}
 }

CarRentContracts/StoragesContracts/IRentalStorage.cs

@@ -21,5 +21,6 @@ namespace CarRentContracts.StoragesContracts
 			List<ClientViewModel> clients,
 			List<CarViewModel> cars);
 		string TestReadList(int num);
+		string TestJoinReadList(int num);
 	}
 }

CarRentContracts/ViewModels/RentalViewModel.cs

@@ -14,6 +14,8 @@ namespace CarRentContracts.ViewModels
 		public string ClientName { get; set; } = string.Empty;
 		[DisplayName("Фамилия")]
 		public string ClientSurname { get; set; } = string.Empty;
+		[DisplayName("Номер автомобиля")]
+		public string LicensePlate { get; set; } = string.Empty;
 		[DisplayName("Дата начала аренды")]
 		public DateTime StartDate { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
 		[DisplayName("Дата конца аренды")]

CarRentDatabase/Implements/BranchStorage.cs

@@ -5,6 +5,7 @@ using CarRentContracts.ViewModels;
 using CarRentDatabase.Models;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Numerics;
 using System.Text;
@@ -14,6 +15,23 @@ namespace CarRentDatabase.Implements
 {
 	public class BranchStorage : IBranchStorage
 	{		
+		public void BranchInsertList(int num)
+		{
+			Random rnd = new Random();
+			using var context = new CarRentDatabase();
+			for (int i = 0; i < num; ++i)
+			{
+				var model = new BranchBindingModel
+				{
+					Id = 0,
+					Name = rnd.Next(1000).ToString(),
+					Address = rnd.Next(1000).ToString(),
+					PhoneNumber = rnd.Next(1000).ToString(),
+				};
+				context.Branches.Add(Branch.Create(model));
+			}
+			context.SaveChanges();
+		}
 		public BranchViewModel? GetElement(BranchSearchModel model)
 		{
 			if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)

CarRentDatabase/Implements/CarStorage.cs

@@ -28,7 +28,27 @@ namespace CarRentDatabase.Implements
 				(model.Id.HasValue && x.Id == model.Id))
 				?.GetViewModel;
 		}
-
+		public void CarInsertList(int num, List<BranchViewModel> branches)
+		{
+			Random rnd = new Random();
+			using var context = new CarRentDatabase();
+			for (int i = 0; i < num; ++i)
+			{
+				var model = new CarBindingModel
+				{
+					Id = 0,
+					Brand = rnd.Next(1000).ToString(),
+					Model = rnd.Next(1000).ToString(),
+					YearOfManuf = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc),
+					Color = rnd.Next(1000).ToString(),
+					LicensePlate = rnd.Next(1000).ToString(),
+					RentalCostPerHour = rnd.Next(1000),
+					BranchId = branches[rnd.Next(branches.Count)].Id,
+				};
+				context.Cars.Add(Car.Create(model));
+			}
+			context.SaveChanges();
+		}
 		public List<CarViewModel> GetFilteredList(CarSearchModel model)
 		{
 			using var context = new CarRentDatabase();

CarRentDatabase/Implements/ClientStorage.cs

@@ -13,6 +13,25 @@ namespace CarRentDatabase.Implements
 {
 	public class ClientStorage : IClientStorage
 	{
+		public void ClientInsertList(int num)
+		{
+			Random rnd = new Random();
+			using var context = new CarRentDatabase();
+			for (int i = 0; i < num; ++i)
+			{
+				var model = new ClientBindingModel
+				{
+					Id = 0,
+					Name = rnd.Next(1000).ToString(),
+					Surname = rnd.Next(1000).ToString(),
+					PhoneNumber = rnd.Next(1000).ToString(),
+					Email = rnd.Next(1000).ToString(),
+					DriveLicenseNumber = rnd.Next(1000).ToString(),
+				};
+				context.Clients.Add(Client.Create(model));
+			}
+			context.SaveChanges();
+		}
 		public ClientViewModel? GetElement(ClientSearchModel model)
 		{
 			if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)

CarRentDatabase/Implements/RentalStorage.cs

@@ -60,6 +60,36 @@ namespace CarRentDatabase.Implements
 
 			return stopwatch.ElapsedMilliseconds.ToString();
 		}
+		public string TestJoinReadList(int num)
+		{
+			using var context = new CarRentDatabase();
+			Stopwatch stopwatch = new();
+
+			stopwatch.Start();
+
+			var list = context.Rentals
+					.Include(x => x.Car)
+					.Include(x => x.Client)
+					.Join(context.Clients, 
+						r => r.ClientId, 
+						c => c.Id, 
+						(r, c) => new { Rental = r, Client = c })
+					.Join(context.Cars, 
+						rc => rc.Rental.CarId, 
+						car => car.Id, 
+						(rc, car) => new { rc.Rental, rc.Client, Car = car })
+					.Select(rc => new
+					{
+						Rental = rc.Rental.GetViewModel,
+						Client = rc.Client.GetViewModel,
+						Car = rc.Car.GetViewModel,
+					})
+					.Take(num)
+					.ToList();
+			stopwatch.Stop();
+
+			return stopwatch.ElapsedMilliseconds.ToString();
+		}
 		public RentalViewModel? GetElement(RentalSearchModel model)
 		{
 			if (!model.Id.HasValue)
@@ -77,7 +107,7 @@ namespace CarRentDatabase.Implements
 
 		public List<RentalViewModel> GetFilteredList(RentalSearchModel model)
 		{
-			if (!model.Id.HasValue)
+			if (!model.Id.HasValue && !model.ClientId.HasValue)
 			{
 				return new();
 			}

CarRentDatabase/Models/Rental.cs

@@ -65,6 +65,7 @@ namespace CarRentDatabase.Models
 			Id = Id,
 			ClientName = Client == null ? string.Empty : Client.Name,
 			ClientSurname = Client == null ? string.Empty : Client.Surname,
+			LicensePlate = Car == null ? string.Empty : Car.LicensePlate,
 			StartDate = StartDate,
 			EndDate = EndDate,
 			RentalCost = RentalCost,