ProjectShedule/ProjectShedule/Entities/CurriculumSubject.cs

@@ -9,14 +9,16 @@ namespace ProjectShedule.Entities;
 
 public class CurriculumSubject
 {
+    public int Id { get; set; }
     public int CurriculumId { get; private set; }
     public IEnumerable<SubjectSubject> SubjectSubject { get; private set; } = [];
     public Course Course { get; private set; }
 
-    public static CurriculumSubject CreateCurriculumSubject(int curriculumId, Course course, IEnumerable<SubjectSubject> subjectSubjects)
+    public static CurriculumSubject CreateCurriculumSubject(int id, int curriculumId, Course course, IEnumerable<SubjectSubject> subjectSubjects)
     {
         return new CurriculumSubject()
         {
+            Id = id,
             CurriculumId = curriculumId,
             Course = course,
             SubjectSubject = subjectSubjects

ProjectShedule/ProjectShedule/Entities/Shedule.cs

@@ -12,20 +12,21 @@ public class Shedule
     public int Id { get; private set; }
     public DateTime Date { get; private set; }
     public PairNumber PairNumber { get; private set; }
-    public int GroupId { get; private set; }
+    public int StudentsGroupId { get; private set; }
     public int TeacherId { get; private set; }
     public int SubjectId { get; private set; }
     public int ClassroomId { get; private set; }
 
 
-    public static Shedule CreateOperation(int id, DateTime date, PairNumber pairNumber, int groupId, int teacherId, int subjectId, int classroomId)
+    public static Shedule CreateOperation(int id, DateTime date, PairNumber pairNumber
+        , int studentsGroupId, int teacherId, int subjectId, int classroomId)
     {
         return new Shedule
         {
             Id = id,
             Date = date,
             PairNumber = pairNumber,
-            GroupId = groupId,
+            StudentsGroupId = studentsGroupId,
             TeacherId = teacherId,
             SubjectId = subjectId,
             ClassroomId = classroomId

ProjectShedule/ProjectShedule/Entities/StudentsGroup.cs

@@ -7,16 +7,16 @@ using System.Threading.Tasks;
 
 namespace ProjectShedule.Entities;
 
-public class Group
+public class StudentsGroup
 {
     public int Id { get; private set; }
     public int StudentsCount { get; private set; }
     public string GroupNumber { get; private set; } = String.Empty;
     public Course Course { get; private set; }
     public int CurriculumId { get; private set; }
-    public static Group CreateGroup(int id, int studentsCount, string groupNumber, Course course, int curriculumId)
+    public static StudentsGroup CreateGroup(int id, int studentsCount, string groupNumber, Course course, int curriculumId)
     {
-        return new Group
+        return new StudentsGroup
         {
             Id = id,
             StudentsCount = studentsCount,

ProjectShedule/ProjectShedule/FormSchedulingBureau.Designer.cs

@@ -84,7 +84,7 @@
             // 
             curriculumsToolStripMenuItem.Name = "curriculumsToolStripMenuItem";
             curriculumsToolStripMenuItem.Size = new Size(224, 26);
-            curriculumsToolStripMenuItem.Text = "Учебные планы";
+            curriculumsToolStripMenuItem.Text = "Направлении";
             curriculumsToolStripMenuItem.Click += curriculumsToolStripMenuItem_Click;
             // 
             // studentGroupsToolStripMenuItem

ProjectShedule/ProjectShedule/Forms/FormClassroom.cs

@@ -1,15 +1,6 @@
 using ProjectShedule.Entities;
 using ProjectShedule.Entities.Enums;
 using ProjectShedule.Repositories;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
 
 namespace ProjectShedule.Forms
 {
@@ -63,7 +54,7 @@ namespace ProjectShedule.Forms
                 }
                 else
                 {
-                    _classroomRepository.UpdateClassroom(CreateClassroom(0));
+                    _classroomRepository.CreateClassroom(CreateClassroom(0));
                 }
                 Close();
             }

ProjectShedule/ProjectShedule/Forms/FormCurriculum.Designer.cs

@@ -80,7 +80,7 @@
             Controls.Add(textBoxCurriculumName);
             Controls.Add(label2);
             Name = "FormCurriculum";
-            Text = "Учебный план(дисциплина)";
+            Text = "Учебный план(направление)";
             ResumeLayout(false);
             PerformLayout();
         }

ProjectShedule/ProjectShedule/Forms/FormCurriculum.cs

@@ -49,7 +49,7 @@ namespace ProjectShedule.Forms
                 }
                 else
                 {
-                    _curriculumRepository.UpdateCurriculum(CreateCurriculum(0));
+                    _curriculumRepository.CreateCurriculum(CreateCurriculum(0));
                 }
                 Close();
             }

ProjectShedule/ProjectShedule/Forms/FormCurriculumSubject.cs

@@ -34,13 +34,14 @@ namespace ProjectShedule.Forms
             try
             {
                 if (comboBoxDirection.SelectedIndex < 0 ||
-                    comboBoxCourse.SelectedIndex < 0 || dataGridView.RowCount < 1)
+                    comboBoxCourse.SelectedIndex < 1 || dataGridView.RowCount < 1)
                 {
                     throw new Exception("Есть незаполненные поля");
                 }
-                _curriculumSubjectRepository.CreateCurriculumSubject(CurriculumSubject.CreateCurriculumSubject(
+                _curriculumSubjectRepository.CreateCurriculumSubject(CurriculumSubject.CreateCurriculumSubject(0,
                (int)comboBoxDirection.SelectedValue!,
-               (Course)comboBoxCourse.SelectedItem!, CreateListSubjectSubjectFromDataGrid()));
+               (Course)comboBoxCourse.SelectedItem!,
+               CreateListSubjectSubjectFromDataGrid()));
 
                 Close();
             }

ProjectShedule/ProjectShedule/Forms/FormCurriculumSubjects.Designer.cs

@@ -29,6 +29,7 @@
         private void InitializeComponent()
         {
             panel1 = new Panel();
+            buttonDel = new Button();
             buttonAdd = new Button();
             dataGridView = new DataGridView();
             panel1.SuspendLayout();
@@ -37,18 +38,30 @@
             // 
             // panel1
             // 
+            panel1.Controls.Add(buttonDel);
             panel1.Controls.Add(buttonAdd);
             panel1.Dock = DockStyle.Right;
-            panel1.Location = new Point(622, 0);
+            panel1.Location = new Point(600, 0);
             panel1.Name = "panel1";
-            panel1.Size = new Size(178, 352);
+            panel1.Size = new Size(200, 352);
             panel1.TabIndex = 2;
             // 
+            // buttonDel
+            // 
+            buttonDel.BackgroundImage = Properties.Resources.minus_PNG39;
+            buttonDel.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonDel.Location = new Point(42, 214);
+            buttonDel.Name = "buttonDel";
+            buttonDel.Size = new Size(94, 93);
+            buttonDel.TabIndex = 4;
+            buttonDel.UseVisualStyleBackColor = true;
+            buttonDel.Click += buttonDel_Click;
+            // 
             // buttonAdd
             // 
             buttonAdd.BackgroundImage = Properties.Resources.Ambox_plus_svg;
             buttonAdd.BackgroundImageLayout = ImageLayout.Stretch;
-            buttonAdd.Location = new Point(42, 125);
+            buttonAdd.Location = new Point(42, 45);
             buttonAdd.Name = "buttonAdd";
             buttonAdd.Size = new Size(94, 93);
             buttonAdd.TabIndex = 0;
@@ -63,7 +76,6 @@
             dataGridView.AllowUserToResizeRows = false;
             dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
             dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridView.Dock = DockStyle.Fill;
             dataGridView.Location = new Point(0, 0);
             dataGridView.MultiSelect = false;
             dataGridView.Name = "dataGridView";
@@ -71,7 +83,7 @@
             dataGridView.RowHeadersVisible = false;
             dataGridView.RowHeadersWidth = 51;
             dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridView.Size = new Size(800, 352);
+            dataGridView.Size = new Size(601, 352);
             dataGridView.TabIndex = 3;
             // 
             // FormCurriculumSubjects
@@ -82,7 +94,7 @@
             Controls.Add(panel1);
             Controls.Add(dataGridView);
             Name = "FormCurriculumSubjects";
-            Text = "FormCurriculumSubjects";
+            Text = "Учебные планы";
             Load += FormCurriculumSubjects_Load;
             panel1.ResumeLayout(false);
             ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
@@ -94,5 +106,6 @@
         private Panel panel1;
         private Button buttonAdd;
         private DataGridView dataGridView;
+        private Button buttonDel;
     }
 }

ProjectShedule/ProjectShedule/Forms/FormCurriculumSubjects.cs

@@ -41,5 +41,41 @@ namespace ProjectShedule.Forms
             }
         }
         private void LoadList() => dataGridView.DataSource = _curriculumSubjectRepository.ReadCurriculumSubject();
+
+        private void buttonDel_Click(object sender, EventArgs e)
+        {
+            if (TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
+            {
+                return;
+            }
+            try
+            {
+                _curriculumSubjectRepository.DeleteCurriculumSubject(findId);
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        private bool TryGetIdentifierFromSelectedRow(out int id)
+        {
+            id = 0;
+            if (dataGridView.SelectedRows.Count < 1)
+            {
+                MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return true;
+            }
+            else
+            {
+                id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells[id].Value);
+                return false;
+            }
+        }
     }
 }

ProjectShedule/ProjectShedule/Forms/FormCurriculums.Designer.cs

@@ -89,7 +89,6 @@
             dataGridView.AllowUserToResizeRows = false;
             dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
             dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridView.Dock = DockStyle.Fill;
             dataGridView.Location = new Point(0, 0);
             dataGridView.MultiSelect = false;
             dataGridView.Name = "dataGridView";
@@ -97,7 +96,7 @@
             dataGridView.RowHeadersVisible = false;
             dataGridView.RowHeadersWidth = 51;
             dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridView.Size = new Size(800, 353);
+            dataGridView.Size = new Size(625, 353);
             dataGridView.TabIndex = 3;
             // 
             // FormCurriculums

ProjectShedule/ProjectShedule/Forms/FormCurriculums.cs

@@ -1,14 +1,4 @@
 using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
 using Unity;
 
 namespace ProjectShedule.Forms

ProjectShedule/ProjectShedule/Forms/FormGroup.cs

@@ -1,17 +1,6 @@
 using ProjectShedule.Entities;
 using ProjectShedule.Entities.Enums;
 using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
-
 namespace ProjectShedule.Forms
 {
     public partial class FormGroup : Form
@@ -59,7 +48,7 @@ namespace ProjectShedule.Forms
             try
             {
                 if (string.IsNullOrWhiteSpace(textBoxGroupName.Text) || comboBoxCourse.SelectedIndex < 1 ||
-                    comboBoxCurriculum.SelectedIndex < 1)
+                    comboBoxCurriculum.SelectedIndex < 0)
                 {
                     throw new Exception("Имеются незаполненные поля");
                 }
@@ -80,11 +69,11 @@ namespace ProjectShedule.Forms
         }
 
         private void buttonCancel_Click(object sender, EventArgs e) => Close();
-        private Group CreateGroup(int id) => Group.CreateGroup(
+        private StudentsGroup CreateGroup(int id) => StudentsGroup.CreateGroup(
             id,
             Convert.ToInt32(numericUpDownStudentsCount.Value),
             textBoxGroupName.Text,
             (Course)comboBoxCourse.SelectedItem!,
-            (int)comboBoxCourse.SelectedValue!);
+            (int)comboBoxCurriculum.SelectedValue!);
     }
 }

ProjectShedule/ProjectShedule/Forms/FormGroups.Designer.cs

@@ -89,7 +89,6 @@
             dataGridView.AllowUserToResizeRows = false;
             dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
             dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridView.Dock = DockStyle.Fill;
             dataGridView.Location = new Point(0, 0);
             dataGridView.MultiSelect = false;
             dataGridView.Name = "dataGridView";
@@ -97,7 +96,7 @@
             dataGridView.RowHeadersVisible = false;
             dataGridView.RowHeadersWidth = 51;
             dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridView.Size = new Size(800, 354);
+            dataGridView.Size = new Size(626, 354);
             dataGridView.TabIndex = 5;
             // 
             // FormGroups

ProjectShedule/ProjectShedule/Forms/FormGroups.cs

@@ -1,14 +1,4 @@
 using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
 using Unity;
 
 namespace ProjectShedule.Forms

ProjectShedule/ProjectShedule/Forms/FormShedule.cs

@@ -1,8 +1,6 @@
 using ProjectShedule.Entities;
 using ProjectShedule.Entities.Enums;
 using ProjectShedule.Repositories;
-using System.Diagnostics.Contracts;
-using System.Windows.Forms;
 
 namespace ProjectShedule.Forms
 {

ProjectShedule/ProjectShedule/Forms/FormShedules.Designer.cs

@@ -31,6 +31,7 @@
             dataGridView = new DataGridView();
             buttonAdd = new Button();
             panel1 = new Panel();
+            buttonDel = new Button();
             ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
             panel1.SuspendLayout();
             SuspendLayout();
@@ -58,7 +59,7 @@
             // 
             buttonAdd.BackgroundImage = Properties.Resources.Ambox_plus_svg;
             buttonAdd.BackgroundImageLayout = ImageLayout.Stretch;
-            buttonAdd.Location = new Point(48, 112);
+            buttonAdd.Location = new Point(42, 46);
             buttonAdd.Name = "buttonAdd";
             buttonAdd.Size = new Size(94, 93);
             buttonAdd.TabIndex = 0;
@@ -67,6 +68,7 @@
             // 
             // panel1
             // 
+            panel1.Controls.Add(buttonDel);
             panel1.Controls.Add(buttonAdd);
             panel1.Dock = DockStyle.Right;
             panel1.Location = new Point(622, 0);
@@ -74,6 +76,17 @@
             panel1.Size = new Size(178, 315);
             panel1.TabIndex = 4;
             // 
+            // buttonDel
+            // 
+            buttonDel.BackgroundImage = Properties.Resources.minus_PNG39;
+            buttonDel.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonDel.Location = new Point(42, 175);
+            buttonDel.Name = "buttonDel";
+            buttonDel.Size = new Size(94, 93);
+            buttonDel.TabIndex = 4;
+            buttonDel.UseVisualStyleBackColor = true;
+            buttonDel.Click += buttonDel_Click;
+            // 
             // FormShedules
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
@@ -94,5 +107,6 @@
         private DataGridView dataGridView;
         private Button buttonAdd;
         private Panel panel1;
+        private Button buttonDel;
     }
 }

ProjectShedule/ProjectShedule/Forms/FormShedules.cs

@@ -1,6 +1,4 @@
-
+using ProjectShedule.Repositories;
-using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
 using Unity;
 
 namespace ProjectShedule.Forms
@@ -45,5 +43,42 @@ namespace ProjectShedule.Forms
             }
         }
         private void LoadList() => dataGridView.DataSource = _sheduleRepository.ReadShedule();
+
+        private void buttonDel_Click(object sender, EventArgs e)
+        {
+            if (TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
+            {
+                return;
+            }
+            try
+            {
+                _sheduleRepository.DeleteShedule(findId);
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        private bool TryGetIdentifierFromSelectedRow(out int id)
+        {
+            id = 0;
+            if (dataGridView.SelectedRows.Count < 1)
+            {
+                MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return true;
+            }
+            else
+            {
+                id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells[id].Value);
+
+                return false;
+            }
+        }
     }
 }

ProjectShedule/ProjectShedule/Forms/FormSubject.cs

@@ -1,16 +1,6 @@
-using ProjectShedule.Entities.Enums;
+using ProjectShedule.Entities;
-using ProjectShedule.Entities;
 using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
+
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
 
 namespace ProjectShedule.Forms;
 
@@ -60,7 +50,7 @@ public partial class FormSubject : Form
             }
             else
             {
-                _subjectRepository.UpdateSubject(CreateSubject(0));
+                _subjectRepository.CreateSubject(CreateSubject(0));
             }
             Close();
         }

ProjectShedule/ProjectShedule/Forms/FormSubjects.Designer.cs

@@ -89,7 +89,6 @@
             dataGridView.AllowUserToResizeRows = false;
             dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
             dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridView.Dock = DockStyle.Fill;
             dataGridView.Location = new Point(0, 0);
             dataGridView.MultiSelect = false;
             dataGridView.Name = "dataGridView";
@@ -97,7 +96,7 @@
             dataGridView.RowHeadersVisible = false;
             dataGridView.RowHeadersWidth = 51;
             dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridView.Size = new Size(800, 354);
+            dataGridView.Size = new Size(623, 354);
             dataGridView.TabIndex = 3;
             // 
             // FormSubjects

ProjectShedule/ProjectShedule/Forms/FormSubjects.cs

@@ -1,14 +1,4 @@
 using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
 using Unity;
 
 namespace ProjectShedule.Forms

ProjectShedule/ProjectShedule/Forms/FormTeacher.cs

@@ -1,15 +1,5 @@
 using ProjectShedule.Entities;
 using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
 
 namespace ProjectShedule.Forms
 {
@@ -61,7 +51,7 @@ namespace ProjectShedule.Forms
                 }
                 else
                 {
-                    _teacherRepository.UpdateTeacher(CreateTeacher(0));
+                    _teacherRepository.CreateTeacher(CreateTeacher(0));
                 }
                 Close();
             }

ProjectShedule/ProjectShedule/Forms/FormTeachers.cs

@@ -1,14 +1,4 @@
 using ProjectShedule.Repositories;
-using ProjectShedule.Repositories.Implementations;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
 using Unity;
 
 namespace ProjectShedule.Forms

ProjectShedule/ProjectShedule/Program.cs

@@ -1,6 +1,10 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 using ProjectShedule.Repositories;
 using ProjectShedule.Repositories.Implementations;
+using Serilog;
 using Unity;
+using Unity.Microsoft.Logging;
 
 namespace ProjectShedule
 {
@@ -21,6 +25,9 @@ namespace ProjectShedule
         {
             var container = new UnityContainer();
 
+            container.AddExtension(new
+LoggingExtension(CreateLoggerFactory()));
+
             container.RegisterType<IClassroomRepository, ClassroomRepository>();
             container.RegisterType<ICurriculumRepository, CurriculumRepository>();
             container.RegisterType<IGroupRepository, GroupRepository>();
@@ -28,8 +35,21 @@ namespace ProjectShedule
             container.RegisterType<ISubjectRepository, SubjectRepository>();
             container.RegisterType<ITeacherRepository, TeacherRepository>();
             container.RegisterType<ICurriculumSubjectRepository, CurriculumSubjectRepository>();
+            container.RegisterType<IConnectionString, ConnectionString>();
 
             return container;
         }
+        private static LoggerFactory CreateLoggerFactory()
+        {
+            var loggerFactory = new LoggerFactory();
+            loggerFactory.AddSerilog(new LoggerConfiguration()
+            .ReadFrom.Configuration(new ConfigurationBuilder()
+            .SetBasePath(Directory.GetCurrentDirectory())
+            .AddJsonFile("appsettings.json")
+            .Build())
+            .CreateLogger());
+            return loggerFactory;
+        }
+
     }
 }

ProjectShedule/ProjectShedule/ProjectShedule.csproj

@@ -9,7 +9,19 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.1.35" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Npgsql" Version="8.0.5" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
+    <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
     <PackageReference Include="Unity" Version="5.11.10" />
+    <PackageReference Include="Unity.Microsoft.Logging" Version="5.11.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -27,4 +39,12 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+  <ProjectExtensions><VisualStudio><UserProperties appsettings_1json__JsonSchema="https://json.schemastore.org/appsscript.json" /></VisualStudio></ProjectExtensions>
+
 </Project>

ProjectShedule/ProjectShedule/Repositories/IConnectionString.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectShedule.Repositories;
+
+public interface IConnectionString
+{
+    public string ConnectionString { get;}
+}

ProjectShedule/ProjectShedule/Repositories/ICurriculumSubjectRepository.cs

@@ -5,5 +5,6 @@ namespace ProjectShedule.Repositories;
 public interface ICurriculumSubjectRepository
 {
     IEnumerable<CurriculumSubject> ReadCurriculumSubject();
+    void DeleteCurriculumSubject(int id);
     void CreateCurriculumSubject(CurriculumSubject curriculumSubject);
 }

ProjectShedule/ProjectShedule/Repositories/IGroupRepository.cs

@@ -4,9 +4,9 @@ namespace ProjectShedule.Repositories;
 
 public interface IGroupRepository
 {
-    IEnumerable<Group> ReadGroup();
+    IEnumerable<StudentsGroup> ReadGroup();
-    Group ReadGroupById(int id);
+    StudentsGroup ReadGroupById(int id);
-    void CreateGroup(Group group);
+    void CreateGroup(StudentsGroup group);
-    void UpdateGroup(Group group);
+    void UpdateGroup(StudentsGroup group);
     void DeleteGroup(int id);
 }

ProjectShedule/ProjectShedule/Repositories/ISheduleRepository.cs

@@ -6,6 +6,5 @@ public interface ISheduleRepository
 {
     IEnumerable<Shedule> ReadShedule(DateTime? dateTime = null, int? groupId = null);
     void CreateShedule(Shedule shedule);
-    void UpdateShedule(Shedule shedule);
     void DeleteShedule(int id);
 }

ProjectShedule/ProjectShedule/Repositories/Implementations/ClassroomRepository.cs

@@ -1,28 +1,124 @@
-using ProjectShedule.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectShedule.Entities;
 
 namespace ProjectShedule.Repositories.Implementations;
 
 public class ClassroomRepository : IClassroomRepository
 {
+    private readonly IConnectionString _connectionString;
+
+    private readonly ILogger<ClassroomRepository> _logger;
+
+    public ClassroomRepository(IConnectionString connectionString, ILogger<ClassroomRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateClassroom(Classroom classroom)
     {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(classroom));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Classroom (Size, Name, ClassType)
+                VALUES (@Size, @Name, @ClassType)";
+            connection.Execute(queryInsert, classroom);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
+
     }
 
     public void DeleteClassroom(int id)
     {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Classroom
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Classroom> ReadClassroom()
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Classroom";
+            var classroms = connection.Query<Classroom>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(classroms));
+            return classroms;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Classroom ReadClassroomById(int id)
     {
-        return Classroom.CreateClassroom(0, 0, string.Empty, 0);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM Classroom
+                WHERE Id= @id";
+            var classroom = connection.QueryFirst<Classroom>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(classroom));
+            return classroom;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateClassroom(Classroom classroom)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(classroom));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Classroom
+                SET
+                Size= @Size,
+                Name= @Name,
+                ClassType = @ClassType
+                WHERE Id= @Id";
+            connection.Execute(queryUpdate, classroom);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }

ProjectShedule/ProjectShedule/Repositories/Implementations/ConnectionString.cs

@@ -0,0 +1,6 @@
+namespace ProjectShedule.Repositories.Implementations;
+
+public class ConnectionString : IConnectionString
+{
+    string IConnectionString.ConnectionString => "Host=localhost;Port=5432;Username=postgres;Password=Xaliullov05;Database=otp;Include Error Detail=true";
+}

ProjectShedule/ProjectShedule/Repositories/Implementations/CurriculumRepository.cs

@@ -1,33 +1,119 @@
-using ProjectShedule.Entities;
+using Dapper;
-using System;
+using Microsoft.Extensions.Logging;
-using System.Collections.Generic;
+using Newtonsoft.Json;
-using System.Linq;
+using Npgsql;
-using System.Text;
+using ProjectShedule.Entities;
-using System.Threading.Tasks;
 
 namespace ProjectShedule.Repositories.Implementations;
 
 public class CurriculumRepository : ICurriculumRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<CurriculumRepository> _logger;
+    public CurriculumRepository(IConnectionString connectionString, ILogger<CurriculumRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateCurriculum(Curriculum curriculum)
     {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(curriculum));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Curriculum (Direction)
+                VALUES (@Direction)";
+            connection.Execute(queryInsert, curriculum);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteCurriculum(int id)
     {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Curriculum
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Curriculum> ReadCurriculum()
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Curriculum";
+            var curriculums = connection.Query<Curriculum>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(curriculums));
+            return curriculums;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Curriculum ReadCurriculumById(int id)
     {
-        return Curriculum.CreateCurriculum(0, string.Empty);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM Curriculum
+                WHERE Id= @id";
+            var curriculum = connection.QueryFirst<Curriculum>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(curriculum));
+            return curriculum;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateCurriculum(Curriculum curriculum)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(curriculum));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Curriculum
+                SET
+                Direction= @Direction
+                WHERE Id= @Id";
+            connection.Execute(queryUpdate, curriculum);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }

ProjectShedule/ProjectShedule/Repositories/Implementations/CurriculumSubjectRepository.cs

@@ -1,20 +1,93 @@
-using ProjectShedule.Entities;
+using Dapper;
-using ProjectShedule.Entities.Enums;
+using Microsoft.Extensions.Logging;
-using System;
+using Newtonsoft.Json;
-using System.Collections.Generic;
+using Npgsql;
-using System.Linq;
+using ProjectShedule.Entities;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ProjectShedule.Repositories.Implementations;
 
 public class CurriculumSubjectRepository : ICurriculumSubjectRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<CurriculumSubjectRepository> _logger;
+    public CurriculumSubjectRepository(IConnectionString connectionString, ILogger<CurriculumSubjectRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateCurriculumSubject(CurriculumSubject curriculumSubject)
     {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(curriculumSubject));
+        try
+        {
+            using var connection = new
+            NpgsqlConnection(_connectionString.ConnectionString);
+            connection.Open();
+            using var transaction = connection.BeginTransaction();
+            var queryInsert =
+                 @"
+                INSERT INTO CurriculumSubject (CurriculumId, Course)
+                VALUES (@CurriculumId, @Course);
+                SELECT MAX(Id) FROM CurriculumSubject";
+            var curriculumSubjectId =
+            connection.QueryFirst<int>(queryInsert, curriculumSubject, transaction);
+            var querySubInsert = @"
+                INSERT INTO SubjectSubject (CurriculumSubjectId, SubjectId, LessonsCount)
+                VALUES (@CurriculumSubjectId, @SubjectId, @LessonsCount)";
+
+            foreach (var elem in curriculumSubject.SubjectSubject)
+            {
+                connection.Execute(querySubInsert, new
+                {
+                    curriculumSubjectId,
+                    elem.SubjectId,
+                    elem.LessonsCount
+                }, transaction);
+            }
+            transaction.Commit();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
+    }
+    public void DeleteCurriculumSubject(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM CurriculumSubject
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
     public IEnumerable<CurriculumSubject> ReadCurriculumSubject()
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM CurriculumSubject";
+            var curriculumSubjects = connection.Query<CurriculumSubject>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(curriculumSubjects));
+            return curriculumSubjects;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }

ProjectShedule/ProjectShedule/Repositories/Implementations/GroupRepository.cs

@@ -1,33 +1,123 @@
-using ProjectShedule.Entities;
+using Dapper;
-using System;
+using Microsoft.Extensions.Logging;
-using System.Collections.Generic;
+using Newtonsoft.Json;
-using System.Linq;
+using Npgsql;
-using System.Text;
+using ProjectShedule.Entities;
-using System.Threading.Tasks;
+
 
 namespace ProjectShedule.Repositories.Implementations;
 
 public class GroupRepository : IGroupRepository
 {
-    public void CreateGroup(Group group)
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<GroupRepository> _logger;
+    public GroupRepository(IConnectionString connectionString, ILogger<GroupRepository> logger)
     {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+    public void CreateGroup(StudentsGroup group)
+    {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(group));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO StudentsGroup (StudentsCount, GroupNumber, Course, CurriculumId)
+                VALUES (@StudentsCount, @GroupNumber, @Course, @CurriculumId)";
+            connection.Execute(queryInsert, group);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteGroup(int id)
     {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM StudentsGroup
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
-    public IEnumerable<Group> ReadGroup()
+    public IEnumerable<StudentsGroup> ReadGroup()
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM StudentsGroup";
+            var groups = connection.Query<StudentsGroup>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(groups));
+            return groups;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
-    public Group ReadGroupById(int id)
+    public StudentsGroup ReadGroupById(int id)
     {
-        return Group.CreateGroup(0, 0, string.Empty, 0, 0);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM StudentsGroup
+                WHERE Id= @id";
+            var group = connection.QueryFirst<StudentsGroup>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(group));
+            return group;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
-    public void UpdateGroup(Group group)
+    public void UpdateGroup(StudentsGroup group)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(group));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE StudentsGroup
+                SET
+                StudentsCount= @StudentsCount,
+                GroupNumber= @GroupNumber,
+                Course= @Course,
+                CurriculumId= @CurriculumId
+                WHERE Id= @Id";
+            connection.Execute(queryUpdate, group);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }

ProjectShedule/ProjectShedule/Repositories/Implementations/SheduleRepository.cs

@@ -1,28 +1,75 @@
-using ProjectShedule.Entities;
+using Dapper;
-using System;
+using Microsoft.Extensions.Logging;
-using System.Collections.Generic;
+using Newtonsoft.Json;
-using System.Linq;
+using Npgsql;
-using System.Text;
+using ProjectShedule.Entities;
-using System.Threading.Tasks;
 
 namespace ProjectShedule.Repositories.Implementations;
 public class SheduleRepository : ISheduleRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<SheduleRepository> _logger;
+    public SheduleRepository(IConnectionString connectionString, ILogger<SheduleRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateShedule(Shedule shedule)
     {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(shedule));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Shedule (Date, PairNumber, StudentsGroupId, TeacherId, SubjectId, ClassroomId)
+                VALUES (@Date, @PairNumber, @StudentsGroupId, @TeacherId, @SubjectId, @ClassroomId)";
+            connection.Execute(queryInsert, shedule);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteShedule(int id)
     {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Shedule
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Shedule> ReadShedule(DateTime? dateTime = null, int? groupId = null)
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
-    }
+        try
-
+        {
-    public void UpdateShedule(Shedule shedule)
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
-    {
+            var querySelect = "SELECT * FROM Shedule";
+            var shedule = connection.Query<Shedule>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(shedule));
+            return shedule;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }
 

ProjectShedule/ProjectShedule/Repositories/Implementations/SubjectRepository.cs

@@ -1,33 +1,119 @@
-using ProjectShedule.Entities;
+using Dapper;
-using System;
+using Microsoft.Extensions.Logging;
-using System.Collections.Generic;
+using Newtonsoft.Json;
-using System.Linq;
+using Npgsql;
-using System.Text;
+using ProjectShedule.Entities;
-using System.Threading.Tasks;
 
 namespace ProjectShedule.Repositories.Implementations;
 
 public class SubjectRepository : ISubjectRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<SubjectRepository> _logger;
+    public SubjectRepository(IConnectionString connectionString, ILogger<SubjectRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateSubject(Subject subject)
     {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(subject));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Subject (Name)
+                VALUES (@Name)";
+            connection.Execute(queryInsert, subject);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteSubject(int id)
     {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Subject
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Subject> ReadSubject()
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Subject";
+            var subjects = connection.Query<Subject>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(subjects));
+            return subjects;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Subject ReadSubjectById(int id)
     {
-        return Subject.CreateSubject(0,string.Empty);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM Subject
+                WHERE Id= @id";
+            var subject = connection.QueryFirst<Subject>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(subject));
+            return subject;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateSubject(Subject subject)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(subject));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Subject
+                SET
+                Name = @Name
+                WHERE Id= @Id";
+            connection.Execute(queryUpdate, subject);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }

ProjectShedule/ProjectShedule/Repositories/Implementations/TeacherRepository.cs

@@ -1,33 +1,120 @@
-using ProjectShedule.Entities;
+using Dapper;
-using System;
+using Microsoft.Extensions.Logging;
-using System.Collections.Generic;
+using Newtonsoft.Json;
-using System.Linq;
+using Npgsql;
-using System.Text;
+using ProjectShedule.Entities;
-using System.Threading.Tasks;
 
 namespace ProjectShedule.Repositories.Implementations;
 
 public class TeacherRepository : ITeacherRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<TeacherRepository> _logger;
+    public TeacherRepository(IConnectionString connectionString, ILogger<TeacherRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateTeacher(Teacher teacher)
     {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(teacher));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Teacher (FirstName, LastName)
+                VALUES (@FirstName, @LastName)";
+            connection.Execute(queryInsert, teacher);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteTeacher(int id)
     {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Teacher
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Teacher> ReadTeacher()
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Teacher";
+            var teachers = connection.Query<Teacher>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(teachers));
+            return teachers;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Teacher ReadTeacherById(int id)
     {
-        return Teacher.CreateTeacher(0,string.Empty,string.Empty);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM Teacher
+                WHERE Id= @id";
+            var teacher = connection.QueryFirst<Teacher>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(teacher));
+            return teacher;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateTeacher(Teacher teacher)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(teacher));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Teacher
+                SET
+                FirstName = @FirstName,
+                LastName = @FirstName,
+                WHERE Id= @Id";
+            connection.Execute(queryUpdate, teacher);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }

ProjectShedule/ProjectShedule/appsettings.json

@@ -0,0 +1,15 @@
+{
+    "Serilog": {
+        "Using": [ "Serilog.Sinks.File" ],
+        "MinimumLevel": "Debug",
+        "WriteTo": [
+            {
+                "Name": "File",
+                "Args": {
+                    "path": "Logs/log.txt",
+                    "rollingInterval": "Day"
+                }
+            }
+        ]
+    }
+}