fix issue with creating student entity, full lab4

StudentEnrollment/StudentEnrollmentBusinessLogic/ExamPointsLogic.cs

@@ -4,6 +4,7 @@ using StudentEnrollmentContracts.BusinessLogicContracts;
 using StudentEnrollmentContracts.SearchModels;
 using StudentEnrollmentContracts.StorageContracts;
 using StudentEnrollmentContracts.ViewModels;
+using StudentEnrollmentDataModels.Models;
 
 namespace StudentEnrollmentBusinessLogic
 {
@@ -56,6 +57,22 @@ namespace StudentEnrollmentBusinessLogic
 			}
 			return true;
 		}
+
+		public IExamPointsModel Create(ExamPointsBindingModel model, bool returnTypeIsModel)
+		{
+            if (returnTypeIsModel)
+            {
+				CheckModel(model);
+				if (_examPointsStorage.Insert(model) == null)
+				{
+					_logger.LogWarning("Insert operation failed");
+					return null;
+				}
+				var list = _examPointsStorage.GetFullList();
+				return list[list.Count - 1];
+			}
+			return null;
+		}
 		public bool Update(ExamPointsBindingModel model)
 		{
 			CheckModel(model);

StudentEnrollment/StudentEnrollmentContracts/BusinessLogicContracts/IExamPointsLogic.cs

@@ -1,6 +1,7 @@
 using StudentEnrollmentContracts.BindingModels;
 using StudentEnrollmentContracts.SearchModels;
 using StudentEnrollmentContracts.ViewModels;
+using StudentEnrollmentDataModels.Models;
 
 namespace StudentEnrollmentContracts.BusinessLogicContracts
 {
@@ -9,6 +10,7 @@ namespace StudentEnrollmentContracts.BusinessLogicContracts
 		List<ExamPointsViewModel>? ReadList(ExamPointsSearchModel? model);
 		ExamPointsViewModel? ReadElement(ExamPointsSearchModel model);
 		bool Create(ExamPointsBindingModel model);
+		IExamPointsModel Create(ExamPointsBindingModel model, bool returnTypeIsModel);
 		bool Update(ExamPointsBindingModel model);
 		bool Delete(ExamPointsBindingModel model);
 	}

StudentEnrollment/StudentEnrollmentDatabaseImplement/Models/Student.cs

@@ -44,6 +44,11 @@ namespace StudentEnrollmentDatabaseImplement.Models
 			{
 				return null;
 			}
+			var test = model.StudentCourse.Select(x => new StudentCourse
+			{
+				Course = context.course.First(y => y.course_id == x.Key)
+			}
+				).ToList();
 			return new Student()
 			{
 				student_id = model.Id,
@@ -57,6 +62,7 @@ namespace StudentEnrollmentDatabaseImplement.Models
 					Course = context.course.First(y => y.course_id == x.Key)
 				}
 				).ToList(),
+				ExamPoints = context.exampoints.First(x => x.exampoints_id == model.ExamPointsId),
 			};
 		}
 		public void Update(StudentBindingModel model)

StudentEnrollment/StudentEnrollmentView/FormExamPoints.cs

@@ -10,7 +10,7 @@ namespace StudentEnrollmentView
 	public partial class FormExamPoints : Form
 	{
 		public int? Id { get; set; }
-		public IExamPointsModel ExamPoints { get; }
+		public IExamPointsModel ExamPoints { get; set;  }
 		private IExamPointsLogic _logic;
 		public FormExamPoints(IExamPointsLogic logic)
 		{
@@ -46,13 +46,14 @@ namespace StudentEnrollmentView
 					AddPoints = textBoxAddPoints.Text != string.Empty ? Convert.ToInt32(textBoxAddPoints.Text) : 0,
 					Summary = CalcSum(),
 				};
-				var operationResult = _logic.Create(model);
+				var operationResult = _logic.Create(model, true);
-				if (!operationResult)
+				if (operationResult == null)
 				{
 					throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
 				}
 				MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
 				DialogResult = DialogResult.OK;
+				ExamPoints = operationResult;
 				Close();
 			}
 			catch (Exception ex)

StudentEnrollment/StudentEnrollmentView/FormMain.Designer.cs

@@ -35,13 +35,13 @@
 			студентыToolStripMenuItem = new ToolStripMenuItem();
 			buttonAdd = new Button();
 			groupBox1 = new GroupBox();
-			labelAdd = new Label();
-			labelGet = new Label();
-			buttonGet = new Button();
-			labelUpdate = new Label();
-			buttonUpdate = new Button();
 			labelDelete = new Label();
 			buttonDelete = new Button();
+			labelUpdate = new Label();
+			buttonUpdate = new Button();
+			labelGet = new Label();
+			buttonGet = new Button();
+			labelAdd = new Label();
 			menuStrip1.SuspendLayout();
 			groupBox1.SuspendLayout();
 			SuspendLayout();
@@ -112,38 +112,29 @@
 			groupBox1.TabStop = false;
 			groupBox1.Text = "Тесты:";
 			// 
-			// labelAdd
+			// labelDelete
 			// 
-			labelAdd.AutoSize = true;
+			labelDelete.AutoSize = true;
-			labelAdd.Location = new Point(314, 44);
+			labelDelete.Location = new Point(290, 235);
-			labelAdd.Name = "labelAdd";
+			labelDelete.Name = "labelDelete";
-			labelAdd.Size = new Size(31, 15);
+			labelDelete.Size = new Size(31, 15);
-			labelAdd.TabIndex = 4;
+			labelDelete.TabIndex = 10;
-			labelAdd.Text = "0 мс";
+			labelDelete.Text = "0 мс";
 			// 
-			// labelGet
+			// buttonDelete
 			// 
-			labelGet.AutoSize = true;
+			buttonDelete.Location = new Point(17, 223);
-			labelGet.Location = new Point(314, 106);
+			buttonDelete.Name = "buttonDelete";
-			labelGet.Name = "labelGet";
+			buttonDelete.Size = new Size(171, 39);
-			labelGet.Size = new Size(31, 15);
+			buttonDelete.TabIndex = 9;
-			labelGet.TabIndex = 6;
+			buttonDelete.Text = "Удаление 1000 строк";
-			labelGet.Text = "0 мс";
+			buttonDelete.UseVisualStyleBackColor = true;
-			// 
+			buttonDelete.Click += buttonDelete_Click;
-			// buttonGet
-			// 
-			buttonGet.Location = new Point(17, 94);
-			buttonGet.Name = "buttonGet";
-			buttonGet.Size = new Size(171, 39);
-			buttonGet.TabIndex = 5;
-			buttonGet.Text = "Получение 1000 строк";
-			buttonGet.UseVisualStyleBackColor = true;
-			buttonGet.Click += buttonGet_Click;
 			// 
 			// labelUpdate
 			// 
 			labelUpdate.AutoSize = true;
-			labelUpdate.Location = new Point(314, 171);
+			labelUpdate.Location = new Point(290, 171);
 			labelUpdate.Name = "labelUpdate";
 			labelUpdate.Size = new Size(31, 15);
 			labelUpdate.TabIndex = 8;
@@ -159,24 +150,33 @@
 			buttonUpdate.UseVisualStyleBackColor = true;
 			buttonUpdate.Click += buttonUpdate_Click;
 			// 
-			// labelDelete
+			// labelGet
 			// 
-			labelDelete.AutoSize = true;
+			labelGet.AutoSize = true;
-			labelDelete.Location = new Point(314, 235);
+			labelGet.Location = new Point(290, 106);
-			labelDelete.Name = "labelDelete";
+			labelGet.Name = "labelGet";
-			labelDelete.Size = new Size(31, 15);
+			labelGet.Size = new Size(31, 15);
-			labelDelete.TabIndex = 10;
+			labelGet.TabIndex = 6;
-			labelDelete.Text = "0 мс";
+			labelGet.Text = "0 мс";
 			// 
-			// buttonDelete
+			// buttonGet
 			// 
-			buttonDelete.Location = new Point(17, 223);
+			buttonGet.Location = new Point(17, 94);
-			buttonDelete.Name = "buttonDelete";
+			buttonGet.Name = "buttonGet";
-			buttonDelete.Size = new Size(171, 39);
+			buttonGet.Size = new Size(171, 39);
-			buttonDelete.TabIndex = 9;
+			buttonGet.TabIndex = 5;
-			buttonDelete.Text = "Удаление 1000 строк";
+			buttonGet.Text = "Получение 1000 строк";
-			buttonDelete.UseVisualStyleBackColor = true;
+			buttonGet.UseVisualStyleBackColor = true;
-			buttonDelete.Click += buttonDelete_Click;
+			buttonGet.Click += buttonGet_Click;
+			// 
+			// labelAdd
+			// 
+			labelAdd.AutoSize = true;
+			labelAdd.Location = new Point(290, 44);
+			labelAdd.Name = "labelAdd";
+			labelAdd.Size = new Size(31, 15);
+			labelAdd.TabIndex = 4;
+			labelAdd.Text = "0 мс";
 			// 
 			// FormMain
 			// 

StudentEnrollment/StudentEnrollmentView/FormMain.cs

@@ -74,12 +74,13 @@ namespace StudentEnrollmentView
 			var service = Program.ServiceProvider?.GetService(typeof(IFacultyLogic));
 			if (service is IFacultyLogic logic)
 			{
+				List<int> ids = logic.ReadList(null).Select(x => x.Id).ToList();
 				DateTime startTime = DateTime.Now;
-				for (int i = 0; i < 1000; i++)
+				for (int i = 0; i < ids.Count; i++)
 				{
 					logic.Update(new FacultyBindingModel
 					{
-						Id = i,
+						Id = ids[i],
 						FacultyName = "новый факультет " + i,
 					});
 				}
@@ -93,12 +94,13 @@ namespace StudentEnrollmentView
 			var service = Program.ServiceProvider?.GetService(typeof(IFacultyLogic));
 			if (service is IFacultyLogic logic)
 			{
+				List<int> ids = logic.ReadList(null).Select(x => x.Id).ToList();
 				DateTime startTime = DateTime.Now;
-				for (int i = 0; i < 1000; i++)
+				for (int i = 0; i < ids.Count; i++)
 				{
 					logic.Delete(new FacultyBindingModel
 					{
-						Id = i,
+						Id = ids[i],
 					});
 				}
 				DateTime endTime = DateTime.Now;

StudentEnrollment/StudentEnrollmentView/FormStudentCourse.cs

@@ -42,8 +42,8 @@ namespace StudentEnrollmentView
 			_list = logic.ReadList(null);
 			if (_list != null)
 			{
-				comboBoxCourse.DisplayMember = "CourseName";
+				comboBoxCourse.DisplayMember = "name";
-				comboBoxCourse.ValueMember = "Id";
+				comboBoxCourse.ValueMember = "course_id";
 				comboBoxCourse.DataSource = _list;
 				comboBoxCourse.SelectedItem = null;
 			}