Реализация хранилищ

SUBD/ElectronicJournalContracts/BindingModels/ResultOfControlBindingModel.cs

@@ -6,7 +6,7 @@ namespace ElectronicJournalContracts.BindingModels
 	{
 		public string Form { get; set; } = string.Empty;
 
-		public DateTime Date { get; set; }
+		public DateOnly Date { get; set; }
 
 		public string Mark { get; set; } = string.Empty;
 

SUBD/ElectronicJournalContracts/BindingModels/StatementBindingModel.cs

@@ -4,7 +4,7 @@ namespace ElectronicJournalContracts.BindingModels
 {
 	public class StatementBindingModel : IStatement
 	{
-		public DateTime Date { get; set; }
+		public DateOnly Date { get; set; }
 
 		public int DisciplineId { get; set; }
 

SUBD/ElectronicJournalContracts/BindingModels/TeacherBindingModel.cs

@@ -6,7 +6,7 @@ namespace ElectronicJournalContracts.BindingModels
 	{
 		public string Name { get; set; } = string.Empty;
 
-		public string Academic_title { get; set; } = string.Empty;
+		public string AcademicTitle { get; set; } = string.Empty;
 
 		public int Id { get; set; }
 	}

SUBD/ElectronicJournalContracts/SearchModels/ResultOfControlSearchModel.cs

@@ -4,7 +4,8 @@
 	{
 		public int? Id { get; set; }
 		public string? Form { get; set; }
-		public DateTime? Date { get; set; }
+		public DateOnly? DateFrom { get; set; }
+		public DateOnly? DateTo { get; set; }
 		public string? Mark { get; set; }
 		public int? StudentId { get; set; }
 		public string? StudentName { get; set; }

SUBD/ElectronicJournalContracts/SearchModels/StatementSearchModel.cs

@@ -3,7 +3,8 @@
 	public class StatementSearchModel
 	{
 		public int? Id { get; set; }
-		public DateTime? Date { get; set; }
+		public DateOnly? DateFrom { get; set; }
+		public DateOnly? DateTo { get; set; }
 		public int? DisciplineId { get; set; }
 		public string? DisciplineName { get; set; }
 		public int? GroupId { get; set; }

SUBD/ElectronicJournalContracts/ViewModels/ResultOfControlViewModel.cs

@@ -10,7 +10,7 @@ namespace ElectronicJournalContracts.ViewModels
 		[DisplayName("Форма")]
 		public string Form { get; set; } = string.Empty;
 		[DisplayName("Дата")]
-		public DateTime Date { get; set; }
+		public DateOnly Date { get; set; }
 		[DisplayName("Оценка")]
 		public string Mark { get; set; } = string.Empty;
 		public int StudentId { get; set; }

SUBD/ElectronicJournalContracts/ViewModels/StatementViewModel.cs

@@ -8,7 +8,7 @@ namespace ElectronicJournalContracts.ViewModels
 		[DisplayName("Номер")]
 		public int Id { get; set; }
 		[DisplayName("Дата")]
-		public DateTime Date { get; set; }
+		public DateOnly Date { get; set; }
 		public int DisciplineId { get; set; }
 		[DisplayName("Дисциплина")]
 		public string DisciplineName { get; set; } = string.Empty;

SUBD/ElectronicJournalContracts/ViewModels/TeacherViewModel.cs

@@ -10,6 +10,6 @@ namespace ElectronicJournalContracts.ViewModels
 		[DisplayName("Имя")]
 		public string Name { get; set; } = string.Empty;
 		[DisplayName("Ученое звание")]
-		public string Academic_title { get; set; } = string.Empty;
+		public string AcademicTitle { get; set; } = string.Empty;
 	}
 }

SUBD/ElectronicJournalDataModels/Models/IResultOfControl.cs

@@ -3,7 +3,7 @@
 	public interface IResultOfControl : IId
 	{
 		string Form { get; }
-		DateTime Date { get; }
+		DateOnly Date { get; }
 		string Mark { get; }
 		int StudentId { get; }
 		int StatementId { get; }

SUBD/ElectronicJournalDataModels/Models/IStatement.cs

@@ -2,7 +2,7 @@
 {
 	public interface IStatement : IId
 	{
-		DateTime Date { get; }
+		DateOnly Date { get; }
 		int DisciplineId { get; }
 		int GroupId { get; }
 		int TeacherId { get; }

SUBD/ElectronicJournalDataModels/Models/ITeacher.cs

@@ -3,6 +3,6 @@
 	public interface ITeacher : IId
 	{
 		string Name { get; }
-		string Academic_title { get; }
+		string AcademicTitle { get; }
 	}
 }

SUBD/ElectronicJournalDatabaseImplement/Discipline.cs

@@ -1,23 +0,0 @@
-using ElectronicJournalDataModels.Models;
-using System;
-using System.Collections.Generic;
-
-namespace ElectronicJournalDatabaseImplement;
-
-/// <summary>
-/// Данная таблица отвечает за хранение данных по дисциплинам. Содержит два поля: id (тип integer), название (тип varchar).
-/// </summary>
-public partial class Discipline
-{
-    /// <summary>
-    /// Идентификатор дисциплины
-    /// </summary>
-    public int Id { get; set; }
-
-    /// <summary>
-    /// Название
-    /// </summary>
-    public string Title { get; set; } = null!;
-
-    public virtual ICollection<Statement> Statements { get; } = new List<Statement>();
-}

SUBD/ElectronicJournalDatabaseImplement/ElectronicJournalContext.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using ElectronicJournalDatabaseImplement.Models;
 using Microsoft.EntityFrameworkCore;
 
 namespace ElectronicJournalDatabaseImplement;

SUBD/ElectronicJournalDatabaseImplement/Group.cs

@@ -1,29 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace ElectronicJournalDatabaseImplement;
-
-/// <summary>
-/// Данная таблица отвечает за хранение данных по группам. Содержит три поля: id (тип integer), название (тип varchar), курс (тип integer).
-/// </summary>
-public partial class Group
-{
-    /// <summary>
-    /// Идентификатор группы
-    /// </summary>
-    public int Id { get; set; }
-
-    /// <summary>
-    /// Название
-    /// </summary>
-    public string Title { get; set; } = null!;
-
-    /// <summary>
-    /// Курс
-    /// </summary>
-    public int Course { get; set; }
-
-    public virtual ICollection<Statement> Statements { get; } = new List<Statement>();
-
-    public virtual ICollection<Student> Students { get; } = new List<Student>();
-}

SUBD/ElectronicJournalDatabaseImplement/Implements/DisciplineStorage.cs

@@ -0,0 +1,84 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.SearchModels;
+using ElectronicJournalContracts.StorageContracts;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDatabaseImplement.Models;
+
+namespace ElectronicJournalDatabaseImplement.Implements
+{
+	public class DisciplineStorage : IDisciplineStorage
+	{
+		public DisciplineViewModel? Delete(DisciplineBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var element = context.Disciplines.FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				context.Disciplines.Remove(element);
+				context.SaveChanges();
+				return element.GetViewModel;
+			}
+			return null;
+		}
+
+		public DisciplineViewModel? GetElement(DisciplineSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.Title) && !model.Id.HasValue)
+			{
+				return null;
+			}
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Disciplines
+			.FirstOrDefault(x =>
+		   (!string.IsNullOrEmpty(model.Title) && x.Title == model.Title) ||
+			(model.Id.HasValue && x.Id == model.Id))
+			?.GetViewModel;
+		}
+
+		public List<DisciplineViewModel> GetFilteredList(DisciplineSearchModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Disciplines
+			.OrderBy(x => x.Title)
+			.Where(x => x.Title.Contains(model.Title))
+		    .Select(x => x.GetViewModel)
+		    .ToList();
+		}
+
+		public List<DisciplineViewModel> GetFullList()
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Disciplines
+			.OrderBy(x => x.Title)
+			.Select(x => x.GetViewModel)
+		    .ToList();
+		}
+
+		public DisciplineViewModel? Insert(DisciplineBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			model.Id = context.Disciplines.Count() > 0 ? context.Disciplines.Max(x => x.Id) + 1 : 1;
+			var newDiscipline = Discipline.Create(model);
+			if (newDiscipline == null)
+			{
+				return null;
+			}
+			context.Disciplines.Add(newDiscipline);
+			context.SaveChanges();
+			return newDiscipline.GetViewModel;
+		}
+
+		public DisciplineViewModel? Update(DisciplineBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var discipline = context.Disciplines.FirstOrDefault(x => x.Id == model.Id);
+			if (discipline == null)
+			{
+				return null;
+			}
+			discipline.Update(model);
+			context.SaveChanges();
+			return discipline.GetViewModel;
+		}
+	}
+}

SUBD/ElectronicJournalDatabaseImplement/Implements/GroupStorage.cs

@@ -0,0 +1,84 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.SearchModels;
+using ElectronicJournalContracts.StorageContracts;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDatabaseImplement.Models;
+
+namespace ElectronicJournalDatabaseImplement.Implements
+{
+	public class GroupStorage : IGroupStorage
+	{
+		public GroupViewModel? Delete(GroupBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var element = context.Groups.FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				context.Groups.Remove(element);
+				context.SaveChanges();
+				return element.GetViewModel;
+			}
+			return null;
+		}
+
+		public GroupViewModel? GetElement(GroupSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.Title) && !model.Id.HasValue)
+			{
+				return null;
+			}
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Groups
+			.FirstOrDefault(x =>
+		   (!string.IsNullOrEmpty(model.Title) && x.Title == model.Title && x.Course == model.Course) ||
+			(model.Id.HasValue && x.Id == model.Id))
+			?.GetViewModel;
+		}
+
+		public List<GroupViewModel> GetFilteredList(GroupSearchModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Groups
+			.OrderBy(x => x.Title)
+			.Where(x => x.Title.Contains(model.Title) || x.Course == model.Course)
+		    .Select(x => x.GetViewModel)
+		    .ToList();
+		}
+
+		public List<GroupViewModel> GetFullList()
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Groups
+			.OrderBy(x => x.Title)
+			.Select(x => x.GetViewModel)
+		    .ToList();
+		}
+
+		public GroupViewModel? Insert(GroupBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			model.Id = context.Groups.Count() > 0 ? context.Groups.Max(x => x.Id) + 1 : 1;
+			var newGroup = Group.Create(model);
+			if (newGroup == null)
+			{
+				return null;
+			}
+			context.Groups.Add(newGroup);
+			context.SaveChanges();
+			return newGroup.GetViewModel;
+		}
+
+		public GroupViewModel? Update(GroupBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var group = context.Groups.FirstOrDefault(x => x.Id == model.Id);
+			if (group == null)
+			{
+				return null;
+			}
+			group.Update(model);
+			context.SaveChanges();
+			return group.GetViewModel;
+		}
+	}
+}

SUBD/ElectronicJournalDatabaseImplement/Implements/ResultOfControlStorage.cs

@@ -0,0 +1,105 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.SearchModels;
+using ElectronicJournalContracts.StorageContracts;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDatabaseImplement.Models;
+using ElectronicJournalDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ElectronicJournalDatabaseImplement.Implements
+{
+	public class ResultOfControlStorage : IResultOfControlStorage
+	{
+		public ResultOfControlViewModel? Delete(ResultOfControlBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var element = context.ResultOfControls.FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				var deletedElement = context.ResultOfControls
+					.Include(x => x.Student)
+					.Include(x => x.Statement)
+					.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+				context.ResultOfControls.Remove(element);
+				context.SaveChanges();
+				return deletedElement;
+			}
+			return null;
+		}
+
+		public ResultOfControlViewModel? GetElement(ResultOfControlSearchModel model)
+		{
+			if (!model.Id.HasValue)
+			{
+				return null;
+			}
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.ResultOfControls
+					.Include(x => x.Student)
+					.Include(x => x.Statement)
+			.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+			?.GetViewModel;
+		}
+
+		public List<ResultOfControlViewModel> GetFilteredList(ResultOfControlSearchModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.ResultOfControls
+				.OrderBy(x => x.Date)
+					.Include(x => x.Student)
+					.Include(x => x.Statement)
+			.Where(x =>
+			(x.Date >= model.DateFrom && x.Date <= model.DateTo)
+			|| x.Student.Name.Contains(model.StudentName)
+			|| x.StatementId == model.StatementId)
+		   .Select(x => x.GetViewModel)
+		   .ToList();
+		}
+
+		public List<ResultOfControlViewModel> GetFullList()
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.ResultOfControls
+				.OrderBy(x => x.Date)
+					.Include(x => x.Student)
+					.Include(x => x.Statement)
+			.Select(x => x.GetViewModel)
+			.ToList();
+		}
+
+		public ResultOfControlViewModel? Insert(ResultOfControlBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			model.Id = context.ResultOfControls.Count() > 0 ? context.ResultOfControls.Max(x => x.Id) + 1 : 1;
+			var newResultOfControl = ResultOfControl.Create(model);
+			if (newResultOfControl == null)
+			{
+				return null;
+			}
+			context.ResultOfControls.Add(newResultOfControl);
+			context.SaveChanges();
+			return context.ResultOfControls
+					.Include(x => x.Student)
+					.Include(x => x.Statement)
+				.FirstOrDefault(x => x.Id == newResultOfControl.Id)
+				 ?.GetViewModel;
+		}
+
+		public ResultOfControlViewModel? Update(ResultOfControlBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var result = context.ResultOfControls.FirstOrDefault(x => x.Id == model.Id);
+			if (result == null)
+			{
+				return null;
+			}
+			result.Update(model);
+			context.SaveChanges();
+			return context.ResultOfControls
+					.Include(x => x.Student)
+					.Include(x => x.Statement)
+				.FirstOrDefault(x => x.Id == model.Id)
+				 ?.GetViewModel;
+		}
+	}
+}

SUBD/ElectronicJournalDatabaseImplement/Implements/StatementStorage.cs

@@ -0,0 +1,111 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.SearchModels;
+using ElectronicJournalContracts.StorageContracts;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ElectronicJournalDatabaseImplement.Implements
+{
+	public class StatementStorage : IStatementStorage
+	{
+		public StatementViewModel? Delete(StatementBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var element = context.Statements.FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				var deletedElement = context.Statements
+					.Include(x => x.Discipline)
+					.Include(x => x.Group)
+					.Include(x => x.Teacher)
+					.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+				context.Statements.Remove(element);
+				context.SaveChanges();
+				return deletedElement;
+			}
+			return null;
+		}
+
+		public StatementViewModel? GetElement(StatementSearchModel model)
+		{
+			if (!model.Id.HasValue)
+			{
+				return null;
+			}
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Statements
+					.Include(x => x.Discipline)
+					.Include(x => x.Group)
+					.Include(x => x.Teacher)
+			.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+			?.GetViewModel;
+		}
+
+		public List<StatementViewModel> GetFilteredList(StatementSearchModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Statements
+				.OrderBy(x => x.Date)
+					.Include(x => x.Discipline)
+					.Include(x => x.Group)
+					.Include(x => x.Teacher)
+			.Where(x =>
+			(x.Date >= model.DateFrom && x.Date <= model.DateTo)
+			|| x.Discipline.Title.Contains(model.DisciplineName)
+			|| x.Group.Title.Contains(model.GroupName)
+			|| x.Teacher.Name.Contains(model.TeacherName))
+		   .Select(x => x.GetViewModel)
+		   .ToList();
+		}
+
+		public List<StatementViewModel> GetFullList()
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Statements
+				.OrderBy(x => x.Date)
+					.Include(x => x.Discipline)
+					.Include(x => x.Group)
+					.Include(x => x.Teacher)
+			.Select(x => x.GetViewModel)
+		    .ToList();
+		}
+
+		public StatementViewModel? Insert(StatementBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			model.Id = context.Statements.Count() > 0 ? context.Statements.Max(x => x.Id) + 1 : 1;
+			var newStatement = Statement.Create(model);
+			if (newStatement == null)
+			{
+				return null;
+			}
+			context.Statements.Add(newStatement);
+			context.SaveChanges();
+			return context.Statements
+					.Include(x => x.Discipline)
+					.Include(x => x.Group)
+					.Include(x => x.Teacher)
+				.FirstOrDefault(x => x.Id == newStatement.Id)
+				 ?.GetViewModel;
+		}
+
+		public StatementViewModel? Update(StatementBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var statement = context.Statements.FirstOrDefault(x => x.Id == model.Id);
+			if (statement == null)
+			{
+				return null;
+			}
+			statement.Update(model);
+			context.SaveChanges();
+			return context.Statements
+					.Include(x => x.Discipline)
+					.Include(x => x.Group)
+					.Include(x => x.Teacher)
+				.FirstOrDefault(x => x.Id == model.Id)
+				 ?.GetViewModel;
+		}
+	}
+}

SUBD/ElectronicJournalDatabaseImplement/Implements/StudentStorage.cs

@@ -0,0 +1,100 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.SearchModels;
+using ElectronicJournalContracts.StorageContracts;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ElectronicJournalDatabaseImplement.Implements
+{
+	public class StudentStorage : IStudentStorage
+	{
+		public StudentViewModel? Delete(StudentBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var element = context.Students.FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				var deletedElement = context.Students
+					.Include(x => x.Group)
+					.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+				context.Students.Remove(element);
+				context.SaveChanges();
+				return deletedElement;
+			}
+			return null;
+		}
+
+		public StudentViewModel? GetElement(StudentSearchModel model)
+		{
+			if (!model.Id.HasValue)
+			{
+				return null;
+			}
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Students
+				.Include(x => x.Group)
+				.FirstOrDefault(x =>
+		   (!string.IsNullOrEmpty(model.Name) && x.Name == model.Name) ||
+			(model.Id.HasValue && x.Id == model.Id))
+			?.GetViewModel;
+		}
+
+		public List<StudentViewModel> GetFilteredList(StudentSearchModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Students
+				.OrderBy(x => x.Name)
+				.Include(x => x.Group)
+				.Where(x =>
+			x.Name.Contains(model.Name)
+			|| x.Group.Title.Contains(model.GroupName))
+		   .Select(x => x.GetViewModel)
+		   .ToList();
+		}
+
+		public List<StudentViewModel> GetFullList()
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Students
+				.OrderBy(x => x.Name)
+				.Include(x => x.Group)
+				.Select(x => x.GetViewModel)
+				.ToList();
+		}
+
+		public StudentViewModel? Insert(StudentBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			model.Id = context.Students.Count() > 0 ? context.Students.Max(x => x.Id) + 1 : 1;
+			var newStudent = Student.Create(model);
+			if (newStudent == null)
+			{
+				return null;
+			}
+			context.Students.Add(newStudent);
+			context.SaveChanges();
+			return context.Students
+				.Include(x => x.Group)
+				.FirstOrDefault(x => x.Id == newStudent.Id)
+				 ?.GetViewModel;
+		}
+
+		public StudentViewModel? Update(StudentBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var student = context.Students.FirstOrDefault(x => x.Id ==
+		   model.Id);
+			if (student == null)
+			{
+				return null;
+			}
+			student.Update(model);
+			context.SaveChanges();
+			return context.Students
+				.Include(x => x.Group)
+				.FirstOrDefault(x => x.Id == model.Id)
+				 ?.GetViewModel;
+		}
+	}
+}

SUBD/ElectronicJournalDatabaseImplement/Implements/TeacherStorage.cs

@@ -0,0 +1,84 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.SearchModels;
+using ElectronicJournalContracts.StorageContracts;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDatabaseImplement.Models;
+
+namespace ElectronicJournalDatabaseImplement.Implements
+{
+	public class TeacherStorage : ITeacherStorage
+	{
+		public TeacherViewModel? Delete(TeacherBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var element = context.Teachers.FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				context.Teachers.Remove(element);
+				context.SaveChanges();
+				return element.GetViewModel;
+			}
+			return null;
+		}
+
+		public TeacherViewModel? GetElement(TeacherSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+			{
+				return null;
+			}
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Teachers
+			.FirstOrDefault(x =>
+		   (!string.IsNullOrEmpty(model.Name) && x.Name == model.Name && x.AcademicTitle == model.Academic_title) ||
+			(model.Id.HasValue && x.Id == model.Id))
+			?.GetViewModel;
+		}
+
+		public List<TeacherViewModel> GetFilteredList(TeacherSearchModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Teachers
+			.OrderBy(x => x.Name)
+			.Where(x => x.Name.Contains(model.Name))
+		    .Select(x => x.GetViewModel)
+		    .ToList();
+		}
+
+		public List<TeacherViewModel> GetFullList()
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			return context.Teachers
+			.OrderBy(x => x.Name)
+			.Select(x => x.GetViewModel)
+		    .ToList();
+		}
+
+		public TeacherViewModel? Insert(TeacherBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			model.Id = context.Teachers.Count() > 0 ? context.Teachers.Max(x => x.Id) + 1 : 1;
+			var newTeacher = Teacher.Create(model);
+			if (newTeacher == null)
+			{
+				return null;
+			}
+			context.Teachers.Add(newTeacher);
+			context.SaveChanges();
+			return newTeacher.GetViewModel;
+		}
+
+		public TeacherViewModel? Update(TeacherBindingModel model)
+		{
+			ElectronicJournalContext context = new ElectronicJournalContext();
+			var teacher = context.Teachers.FirstOrDefault(x => x.Id == model.Id);
+			if (teacher == null)
+			{
+				return null;
+			}
+			teacher.Update(model);
+			context.SaveChanges();
+			return teacher.GetViewModel;
+		}
+	}
+}

SUBD/ElectronicJournalDatabaseImplement/Models/Discipline.cs

@@ -0,0 +1,58 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDataModels.Models;
+using System;
+using System.Collections.Generic;
+
+namespace ElectronicJournalDatabaseImplement.Models;
+
+/// <summary>
+/// Данная таблица отвечает за хранение данных по дисциплинам. Содержит два поля: id (тип integer), название (тип varchar).
+/// </summary>
+public partial class Discipline : IDiscipline
+{
+    /// <summary>
+    /// Идентификатор дисциплины
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Название
+    /// </summary>
+    public string Title { get; set; } = null!;
+
+    public virtual List<Statement> Statements { get; } = new List<Statement>();
+	public static Discipline? Create(DisciplineBindingModel model)
+	{
+		if (model == null)
+		{
+			return null;
+		}
+		return new Discipline()
+		{
+			Id = model.Id,
+			Title = model.Title
+		};
+	}
+	public static Discipline Create(DisciplineViewModel model)
+	{
+		return new Discipline
+		{
+			Id = model.Id,
+			Title = model.Title
+		};
+	}
+	public void Update(DisciplineBindingModel model)
+	{
+		if (model == null)
+		{
+			return;
+		}
+		Title = model.Title;
+	}
+	public DisciplineViewModel GetViewModel => new()
+	{
+		Id = Id,
+		Title = Title
+	};
+}

SUBD/ElectronicJournalDatabaseImplement/Models/Group.cs

@@ -0,0 +1,69 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDataModels.Models;
+using System;
+using System.Collections.Generic;
+
+namespace ElectronicJournalDatabaseImplement.Models;
+
+/// <summary>
+/// Данная таблица отвечает за хранение данных по группам. Содержит три поля: id (тип integer), название (тип varchar), курс (тип integer).
+/// </summary>
+public partial class Group : IGroup
+{
+    /// <summary>
+    /// Идентификатор группы
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Название
+    /// </summary>
+    public string Title { get; set; } = null!;
+
+    /// <summary>
+    /// Курс
+    /// </summary>
+    public int Course { get; set; }
+
+    public virtual List<Statement> Statements { get; } = new List<Statement>();
+
+    public virtual List<Student> Students { get; } = new List<Student>();
+	public static Group? Create(GroupBindingModel model)
+	{
+		if (model == null)
+		{
+			return null;
+		}
+		return new Group()
+		{
+			Id = model.Id,
+			Title = model.Title,
+			Course = model.Course
+		};
+	}
+	public static Group Create(GroupViewModel model)
+	{
+		return new Group
+		{
+			Id = model.Id,
+			Title = model.Title,
+			Course = model.Course
+		};
+	}
+	public void Update(GroupBindingModel model)
+	{
+		if (model == null)
+		{
+			return;
+		}
+		Title = model.Title;
+		Course = model.Course;
+	}
+	public GroupViewModel GetViewModel => new()
+	{
+		Id = Id,
+		Title = Title,
+		Course = Course
+	};
+}

SUBD/ElectronicJournalDatabaseImplement/Models/ResultOfControl.cs

@@ -1,12 +1,16 @@
-using System;
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDataModels.Models;
+using System;
 using System.Collections.Generic;
+using System.Text.RegularExpressions;
 
-namespace ElectronicJournalDatabaseImplement;
+namespace ElectronicJournalDatabaseImplement.Models;
 
 /// <summary>
 /// Данная таблица отвечает за хранение данных по результатам контроля. Содержит шесть полей: id (тип integer), форма контроля (тип varchar), дата (тип date), оценка (тип varchar), внешний ключ на студента (тип integer), внешний ключ на ведомость (тип integer).
 /// </summary>
-public partial class ResultOfControl
+public partial class ResultOfControl : IResultOfControl
 {
     /// <summary>
     /// Идентификатор результата контроля
@@ -41,4 +45,54 @@ public partial class ResultOfControl
     public virtual Statement Statement { get; set; } = null!;
 
     public virtual Student Student { get; set; } = null!;
+	public static ResultOfControl? Create(ResultOfControlBindingModel model)
+	{
+		if (model == null)
+		{
+			return null;
+		}
+		return new ResultOfControl()
+		{
+			Id = model.Id,
+			Form = model.Form,
+			Date = model.Date,
+			Mark = model.Mark,
+			StudentId = model.StudentId,
+			StatementId = model.StatementId
+		};
+	}
+	public static ResultOfControl Create(ResultOfControlViewModel model)
+	{
+		return new ResultOfControl
+		{
+			Id = model.Id,
+			Form = model.Form,
+			Date = model.Date,
+			Mark = model.Mark,
+			StudentId = model.StudentId,
+			StatementId = model.StatementId
+		};
+	}
+	public void Update(ResultOfControlBindingModel model)
+	{
+		if (model == null)
+		{
+			return;
+		}
+		Form = model.Form;
+		Date = model.Date;
+		Mark = model.Mark;
+		StudentId = model.StudentId;
+		StatementId = model.StatementId;
+	}
+	public ResultOfControlViewModel GetViewModel => new()
+	{
+		Id = Id,
+		Form = Form,
+		Date = Date,
+		Mark = Mark,
+		StudentId = StudentId,
+		StatementId = StatementId,
+		StudentName = Student.Name
+	};
 }

SUBD/ElectronicJournalDatabaseImplement/Models/Statement.cs

@@ -0,0 +1,94 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDataModels.Models;
+using System;
+using System.Collections.Generic;
+
+namespace ElectronicJournalDatabaseImplement.Models;
+
+/// <summary>
+/// Данная таблица отвечает за хранение данных по ведомостям. Содержит пять полей: id (тип integer), дата (тип date), внешний ключ на дисциплину (тип integer), внешний ключ на группу (тип integer), внешний ключ на преподавателя (тип integer).
+/// </summary>
+public partial class Statement : IStatement
+{
+    /// <summary>
+    /// Идентификатор ведомости
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Дата
+    /// </summary>
+    public DateOnly Date { get; set; }
+
+    /// <summary>
+    /// Внешний ключ на дисциплину
+    /// </summary>
+    public int DisciplineId { get; set; }
+
+    /// <summary>
+    /// Внешний ключ на группу
+    /// </summary>
+    public int GroupId { get; set; }
+
+    /// <summary>
+    /// Внешний ключ на преподавателя
+    /// </summary>
+    public int TeacherId { get; set; }
+
+    public virtual Discipline Discipline { get; set; } = null!;
+
+    public virtual Group Group { get; set; } = null!;
+
+    public virtual List<ResultOfControl> ResultOfControls { get; } = new List<ResultOfControl>();
+
+    public virtual Teacher Teacher { get; set; } = null!;
+	public static Statement? Create(StatementBindingModel model)
+	{
+		if (model == null)
+		{
+			return null;
+		}
+		return new Statement()
+		{
+			Id = model.Id,
+            Date = model.Date,
+            DisciplineId = model.DisciplineId,
+			TeacherId = model.TeacherId,
+			GroupId = model.GroupId
+		};
+	}
+	public static Statement Create(StatementViewModel model)
+	{
+		return new Statement
+		{
+			Id = model.Id,
+			Date = model.Date,
+			DisciplineId = model.DisciplineId,
+			TeacherId = model.TeacherId,
+			GroupId = model.GroupId
+		};
+	}
+	public void Update(StatementBindingModel model)
+	{
+		if (model == null)
+		{
+			return;
+		}
+		Date = model.Date;
+		DisciplineId = model.DisciplineId;
+		TeacherId = model.TeacherId;
+		GroupId = model.GroupId;
+	}
+	public StatementViewModel GetViewModel => new()
+	{
+		Id = Id,
+		Date = Date,
+		DisciplineId = DisciplineId,
+		GroupId = GroupId,
+		TeacherId = TeacherId,
+		DisciplineName = Discipline.Title,
+		GroupName = Group.Title,
+		TeacherName = Teacher.Name
+	};
+}

SUBD/ElectronicJournalDatabaseImplement/Models/Student.cs

@@ -0,0 +1,70 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDataModels.Models;
+using System;
+using System.Collections.Generic;
+
+namespace ElectronicJournalDatabaseImplement.Models;
+
+/// <summary>
+/// Данная таблица отвечает за хранение данных по студентам. Содержит три поля: id (тип integer), имя (тип varchar), внешний ключ на группу (тип integer).
+/// </summary>
+public partial class Student : IStudent
+{
+    /// <summary>
+    /// Идентификатор студента
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Имя
+    /// </summary>
+    public string Name { get; set; } = null!;
+
+    /// <summary>
+    /// Внешний ключ на группу
+    /// </summary>
+    public int GroupId { get; set; }
+
+    public virtual Group Group { get; set; } = null!;
+
+    public virtual List<ResultOfControl> ResultOfControls { get; } = new List<ResultOfControl>();
+	public static Student? Create(StudentBindingModel model)
+	{
+		if (model == null)
+		{
+			return null;
+		}
+		return new Student()
+		{
+			Id = model.Id,
+			Name = model.Name,
+            GroupId = model.GroupId
+		};
+	}
+	public static Student Create(StudentViewModel model)
+	{
+		return new Student
+		{
+			Id = model.Id,
+			Name = model.Name,
+			GroupId = model.GroupId
+		};
+	}
+	public void Update(StudentBindingModel model)
+	{
+		if (model == null)
+		{
+			return;
+		}
+		Name = model.Name;
+		GroupId = model.GroupId;
+	}
+	public StudentViewModel GetViewModel => new()
+	{
+		Id = Id,
+		Name = Name,
+		GroupId = GroupId,
+		GroupName = Group.Title
+	};
+}

SUBD/ElectronicJournalDatabaseImplement/Models/Teacher.cs

@@ -0,0 +1,67 @@
+using ElectronicJournalContracts.BindingModels;
+using ElectronicJournalContracts.ViewModels;
+using ElectronicJournalDataModels.Models;
+using System;
+using System.Collections.Generic;
+
+namespace ElectronicJournalDatabaseImplement.Models;
+
+/// <summary>
+/// Данная таблица отвечает за хранение данных по преподавателям. Содержит три поля: id (тип integer), имя (тип varchar), ученое звание (тип integer).
+/// </summary>
+public partial class Teacher : ITeacher
+{
+    /// <summary>
+    /// Идентификатор преподавателя
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Имя
+    /// </summary>
+    public string Name { get; set; } = null!;
+
+    /// <summary>
+    /// Ученое звание
+    /// </summary>
+    public string? AcademicTitle { get; set; }
+
+    public virtual List<Statement> Statements { get; } = new List<Statement>();
+	public static Teacher? Create(TeacherBindingModel model)
+	{
+		if (model == null)
+		{
+			return null;
+		}
+		return new Teacher()
+		{
+			Id = model.Id,
+			Name = model.Name,
+            AcademicTitle = model.AcademicTitle
+		};
+	}
+	public static Teacher Create(TeacherViewModel model)
+	{
+		return new Teacher
+		{
+			Id = model.Id,
+			Name = model.Name,
+			AcademicTitle = model.AcademicTitle
+		};
+	}
+	public void Update(TeacherBindingModel model)
+	{
+		if (model == null)
+		{
+			return;
+		}
+		Name = model.Name;
+		AcademicTitle = model.AcademicTitle;
+	}
+	public TeacherViewModel GetViewModel => new()
+	{
+		Id = Id,
+		Name = Name,
+		AcademicTitle = AcademicTitle
+	};
+}

SUBD/ElectronicJournalDatabaseImplement/Statement.cs

@@ -1,43 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace ElectronicJournalDatabaseImplement;
-
-/// <summary>
-/// Данная таблица отвечает за хранение данных по ведомостям. Содержит пять полей: id (тип integer), дата (тип date), внешний ключ на дисциплину (тип integer), внешний ключ на группу (тип integer), внешний ключ на преподавателя (тип integer).
-/// </summary>
-public partial class Statement
-{
-    /// <summary>
-    /// Идентификатор ведомости
-    /// </summary>
-    public int Id { get; set; }
-
-    /// <summary>
-    /// Дата
-    /// </summary>
-    public DateOnly Date { get; set; }
-
-    /// <summary>
-    /// Внешний ключ на дисциплину
-    /// </summary>
-    public int DisciplineId { get; set; }
-
-    /// <summary>
-    /// Внешний ключ на группу
-    /// </summary>
-    public int GroupId { get; set; }
-
-    /// <summary>
-    /// Внешний ключ на преподавателя
-    /// </summary>
-    public int TeacherId { get; set; }
-
-    public virtual Discipline Discipline { get; set; } = null!;
-
-    public virtual Group Group { get; set; } = null!;
-
-    public virtual ICollection<ResultOfControl> ResultOfControls { get; } = new List<ResultOfControl>();
-
-    public virtual Teacher Teacher { get; set; } = null!;
-}

SUBD/ElectronicJournalDatabaseImplement/Student.cs

@@ -1,29 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace ElectronicJournalDatabaseImplement;
-
-/// <summary>
-/// Данная таблица отвечает за хранение данных по студентам. Содержит три поля: id (тип integer), имя (тип varchar), внешний ключ на группу (тип integer).
-/// </summary>
-public partial class Student
-{
-    /// <summary>
-    /// Идентификатор студента
-    /// </summary>
-    public int Id { get; set; }
-
-    /// <summary>
-    /// Имя
-    /// </summary>
-    public string Name { get; set; } = null!;
-
-    /// <summary>
-    /// Внешний ключ на группу
-    /// </summary>
-    public int GroupId { get; set; }
-
-    public virtual Group Group { get; set; } = null!;
-
-    public virtual ICollection<ResultOfControl> ResultOfControls { get; } = new List<ResultOfControl>();
-}

SUBD/ElectronicJournalDatabaseImplement/Teacher.cs

@@ -1,27 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace ElectronicJournalDatabaseImplement;
-
-/// <summary>
-/// Данная таблица отвечает за хранение данных по преподавателям. Содержит три поля: id (тип integer), имя (тип varchar), ученое звание (тип integer).
-/// </summary>
-public partial class Teacher
-{
-    /// <summary>
-    /// Идентификатор преподавателя
-    /// </summary>
-    public int Id { get; set; }
-
-    /// <summary>
-    /// Имя
-    /// </summary>
-    public string Name { get; set; } = null!;
-
-    /// <summary>
-    /// Ученое звание
-    /// </summary>
-    public string? AcademicTitle { get; set; }
-
-    public virtual ICollection<Statement> Statements { get; } = new List<Statement>();
-}