s1ntaa/ProjectExams
1
0
Fork 0
Code Issues Pull Requests 4 Actions Packages Projects Releases Wiki Activity

ИСЭбд-22. Хусаинов К.С. Вторая лабораторная работа #2

Open
s1ntaa wants to merge 1 commits from LabWork_2 into LabWork_1
pull from: LabWork_2
merge into: s1ntaa:LabWork_1
Conversation 0 Commits 1 Files Changed 16 +490 -32
16 changed files with 490 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files
Showing only changes of commit fe3802d178 - Show all commits

6
Project/Project/Entities/Student.cs
View File

@ -6,16 +6,16 @@ public class Student
public string FirstName { get; private set; } = string.Empty;
public string LastName { get; private set; } = string.Empty;
public float Score { get; private set; }
//public Hostel HostelType { get; private set; }
public string DisplayName => $"{FirstName} {LastName}";
public static Student CreateOperation(int id, string firstName, string lastName, float Score)
public static Student CreateOperation(int id, string firstName, string lastName, float score)
{
return new Student
{
Id = id,
FirstName = firstName,
LastName = lastName
LastName = lastName,
Score = score
};
}
}

11
Project/Project/Forms/StatementForm.Designer.cs generated
View File

@ -133,8 +133,15 @@ namespace Project.Forms
//
// ColumnMark
//
ColumnMark.DataPropertyName = "Enum.GetValues(typeof(Mark));";
ColumnMark.DataSource = Enum.GetValues(typeof(Mark));
ColumnMark.DataPropertyName = "Enum.GetNames(typeof(Mark));";
ColumnMark.DataSource = new Mark[]
{
Mark.One,
Mark.Two,
Mark.Three,
Mark.Four,
Mark.Five
};
ColumnMark.HeaderText = "Оценки";
ColumnMark.Name = "ColumnMark";
ColumnMark.Resizable = DataGridViewTriState.True;

19
Project/Project/Forms/StatementForm.cs
View File

@ -29,6 +29,8 @@ public partial class StatementForm : Form
ColumnStudent.DataSource = studentRepository.GetAllStudents();
ColumnStudent.DisplayMember = "DisplayName";
ColumnStudent.ValueMember = "Id";
ColumnMark.DataSource = Enum.GetNames(typeof(Mark));
}
private void ButtonSave_Click(object sender, EventArgs e)
@ -65,9 +67,20 @@ public partial class StatementForm : Form
{
continue;
}
list.Add(StatementStudent.CreateOperation(0,
Convert.ToInt32(row.Cells["ColumnStudent"].Value),
(Mark)Convert.ToInt32(row.Cells["ColumnMark"].Value)));
if (Enum.TryParse<Mark>(row.Cells["ColumnMark"].Value.ToString(), out var mark))
{
list.Add(StatementStudent.CreateOperation(
0,
Convert.ToInt32(row.Cells["ColumnStudent"].Value),
mark));
}
else
{
MessageBox.Show($"Недопустимое значение оценки: {row.Cells["ColumnMark"].Value}",
"Ошибка",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
}
return list;
}

2
Project/Project/Forms/StatementForm.resx
View File

@ -120,7 +120,7 @@
<metadata name="ColumnStudent.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<value>True</value>
</metadata>
<metadata name="Оценки.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<metadata name="ColumnMark.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<value>True</value>
</metadata>
</root>

2
Project/Project/Forms/StudentForm.cs
View File

@ -70,7 +70,7 @@ public partial class StudentForm : Form
private void ButtonCancel_Click(object sender, EventArgs e) => Close();
private Student CreateStudent(int id) => Student.CreateOperation(
private Student CreateStudent(int id) => Student.CreateOperation (
id,
textBoxName.Text,
textBoxSurname.Text,(float)numericUpDownScore.Value!);

21
Project/Project/Program.cs
View File

@ -1,9 +1,10 @@
using Unity.Lifetime;
using Unity.Microsoft.Logging;
using Unity;
using Project.Repositories.Implementations;
using Project.Repositories;
using Project.Entities;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Serilog;
namespace Project
{
@ -24,14 +25,26 @@ namespace Project
private static IUnityContainer CreateContainer()
{
var container = new UnityContainer();
container.AddExtension(new LoggingExtension(CreateLoggerFactory()));
container.RegisterType<IStudentRepository, StudentRepository>();
container.RegisterType<IDecreeRepository, DecreeRepository>();
container.RegisterType<IStatementRepository, StatementRepository>();
container.RegisterType<ISubjectRepository, SubjectRepository>();
container.RegisterType<ITeacherRepository, TeacherRepository>();
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;
}
}
}

12
Project/Project/Repositories/IConnectionString.cs Normal file
View File

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

12
Project/Project/Repositories/Implementations/ConnectionString.cs Normal file
View File

@ -0,0 +1,12 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Project.Repositories.Implementations;
public class ConnectionString : IConnectionString
{
string IConnectionString.ConnectionString => "Host=localhost;Port=5432;Username=postgres;Password=admin123;Database=BD";
}

48
Project/Project/Repositories/Implementations/DecreeRepository.cs
View File

@ -1,16 +1,58 @@
using Project.Entities;
using Dapper;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Npgsql;
using Project.Entities;
namespace Project.Repositories.Implementations;
public class DecreeRepository : IDecreeRepository
{
private readonly IConnectionString _connectionString;
private readonly ILogger<DecreeRepository> _logger;
public DecreeRepository(IConnectionString connectionString, ILogger<DecreeRepository> logger)
{
_connectionString = connectionString;
_logger = logger;
}
public void AddDecree(Decree decree)
{
_logger.LogInformation("Добавление объекта");
_logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(decree));
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var queryInsert = @"
INSERT INTO Decree (StudentId, Name, Date, Info)
VALUES (@StudentId, @Name, @Date, @Info)";
connection.Execute(queryInsert, decree);
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при добавлении объекта");
throw;
}
}
public IEnumerable<Decree> GetAllDecrees()
{
return [];
_logger.LogInformation("Получение всех объектов");
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var querySelect = "SELECT * FROM Decree";
var decrees = connection.Query<Decree>(querySelect);
_logger.LogDebug("Полученные объекты: {json}",
JsonConvert.SerializeObject(decrees));
return decrees;
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при чтении объектов");
throw;
}
}
}

65
Project/Project/Repositories/Implementations/StatementRepository.cs
View File

@ -1,15 +1,76 @@
using Project.Entities;
using Dapper;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Npgsql;
using Project.Entities;
namespace Project.Repositories.Implementations;
public class StatementRepository : IStatementRepository
{
private readonly IConnectionString _connectionString;
private readonly ILogger<StatementRepository> _logger;
public StatementRepository(IConnectionString connectionString, ILogger<StatementRepository> logger)
{
_connectionString = connectionString;
_logger = logger;
}
public void CreateStatement(Statement statement)
{
_logger.LogInformation("Добавление объекта");
_logger.LogDebug("Объект: {json}",
JsonConvert.SerializeObject(statement));
try
{
using var connection = new
NpgsqlConnection(_connectionString.ConnectionString);
connection.Open();
using var transaction = connection.BeginTransaction();
var queryInsert = @"
INSERT INTO Statement (TeacherId, SubjectId, Date)
VALUES (@TeacherId, @SubjectId, @Date);
SELECT MAX(Id) FROM Statement";
var statementId =
connection.QueryFirst<int>(queryInsert, statement, transaction);
var querySubInsert = @"
INSERT INTO StatementStudent (StatementId, StudentId, Mark)
VALUES (@StatementId, @StudentId, @Mark)";
foreach (var elem in statement.StatementStudents)
{
connection.Execute(querySubInsert, new
{
statementId,
elem.StudentId,
elem.Mark
}, transaction);
}
transaction.Commit();
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при добавлении объекта");
throw;
}
}
public IEnumerable<Statement> GetAllStatements()
{
return [];
_logger.LogInformation("Получение всех объектов");
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var querySelect = "SELECT * FROM Statement";
var statements = connection.Query<Statement>(querySelect);
_logger.LogDebug("Полученные объекты: {json}",
JsonConvert.SerializeObject(statements));
return statements;
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при чтении объектов");
throw;
}
}
}

102
Project/Project/Repositories/Implementations/StudentRepository.cs
View File

@ -1,28 +1,124 @@
using Project.Entities;
using Dapper;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Npgsql;
using Project.Entities;
namespace Project.Repositories.Implementations;
public class StudentRepository : IStudentRepository
{
private readonly IConnectionString _connectionString;
private readonly ILogger<StudentRepository> _logger;
public StudentRepository(IConnectionString connectionString, ILogger<StudentRepository> logger)
{
_connectionString = connectionString;
_logger = logger;
}
public void AddStudent(Student student)
{
_logger.LogInformation("Добавление объекта");
_logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(student));
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var queryInsert = @"
INSERT INTO Student (FirstName, LastName, Score)
VALUES (@FirstName, @LastName, @Score)";
connection.Execute(queryInsert, student);
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при добавлении объекта");
throw;
}
}
public void DeleteStudent(int id)
{
_logger.LogInformation("Удаление объекта");
_logger.LogDebug("Объект: {id}", id);
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var queryDelete = @"
DELETE FROM Student
WHERE Id=@id";
connection.Execute(queryDelete, new { id });
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при удалении объекта");
throw;
}
}
public IEnumerable<Student> GetAllStudents()
{
return [];
_logger.LogInformation("Получение всех объектов");
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var querySelect = "SELECT * FROM Student";
var students = connection.Query<Student>(querySelect);
_logger.LogDebug("Полученные объекты: {json}",
JsonConvert.SerializeObject(students));
return students;
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при чтении объектов");
throw;
}
}
public Student GetStudentById(int id)
{
return Student.CreateOperation(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 Student
WHERE Id=@id";
var student = connection.QueryFirst<Student>(querySelect, new { id });
_logger.LogDebug("Найденный объект: {json}",
JsonConvert.SerializeObject(student));
return student;
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при поиске объекта");
throw;
}
}
public void UpdateStudent(Student student)
{
_logger.LogInformation("Редактирование объекта");
_logger.LogDebug("Объект: {json}",
JsonConvert.SerializeObject(student));
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var queryUpdate = @"
UPDATE Student
SET
FirstName=@FirstName,
LastName=@LastName,
Score=@Score
WHERE Id=@Id";
connection.Execute(queryUpdate, student);
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при редактировании объекта");
throw;
}
}
}

101
Project/Project/Repositories/Implementations/SubjectRepository.cs
View File

@ -1,29 +1,122 @@
using Project.Entities;
using Dapper;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Npgsql;
using Project.Entities;
namespace Project.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 AddSubject(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, Courses)
VALUES (@Name, @Courses)";
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> GetAllSubjects()
{
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 GetSubjectById(int id)
{
return Subject.CreateOperation(0, "", Entities.Enums.Course.Third);
_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,
Courses=@Courses
WHERE Id=@Id";
connection.Execute(queryUpdate, subject);
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при редактировании объекта");
throw;
}
}
}

100
Project/Project/Repositories/Implementations/TeacherRepository.cs
View File

@ -1,28 +1,122 @@
using Project.Entities;
using Dapper;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Npgsql;
using Project.Entities;
namespace Project.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 AddTeacher(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> GetAllTeachers()
{
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 GetTeacherById(int id)
{
return Teacher.CreateOperation(0, "", "");
_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=@LastName
WHERE Id=@Id";
connection.Execute(queryUpdate, teacher);
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при редактировании объекта");
throw;
}
}
}

15
Project/Project/appsettings.json Normal file
View File

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