Files
ISEbd-21_Kotova_M_D_Project…/ProjectTimeTable/ProjectTimeTable/Repositories/Implementation/TeacherRepositories.cs

124 lines
4.4 KiB
C#

using Dapper;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Npgsql;
using ProjectTimeTable.Entites;
using ProjectTimeTable.Entites.Enums;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ProjectTimeTable.Repositories.Implementation;
public class TeacherRepositories : ITeacherRepositories
{
private readonly IConnectionString _connectionString;
private readonly ILogger<TeacherRepositories> _logger;
public TeacherRepositories(IConnectionString connectionString, ILogger<TeacherRepositories> 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, SecondName, LastName, TeacherPost)
VALUES (@FirstName, @SecondName, @LastName, @TeacherPost)";
connection.Execute(queryInsert, teacher);
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при редактировании 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()
{
_logger.LogInformation("Получение всех объектов");
try
{
using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
var querySelect = "SELECT * FROM teacher";
var teacher = connection.Query<Teacher>(querySelect);
_logger.LogDebug("Полученные объекты: {json}",
JsonConvert.SerializeObject(teacher));
return teacher;
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при чтении объектов");
throw;
}
}
public Teacher ReadTeacherById(int id)
{
_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,
SecondName=@SecondName,
LastName=@LastName,
TeacherPost=@TeacherPost
WHERE Id=@id";
connection.Execute(queryUpdate, teacher);
}
catch (Exception ex)
{
_logger.LogError(ex, "Ошибка при редактировании объекта");
}
}
}