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Кривошеин Андрей
2025-12-05 12:20:47 +03:00
parent 57673d0ee4
commit 05fce073f1
450 changed files with 58 additions and 58 deletions
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133
LibDataBaseInterface/databaselms_instructors.cpp Normal file
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#include "databaselms.h"
#include <QtSql>
#include <QSqlDatabase>
#include <QSqlDriver>
QList<Instructor> DataBaseLMS::selectAllInstructors()
{
QList<Instructor> listInstructors;
QString queryStr = QString("SELECT user_id, name, login, password, is_admin, archived, logged_in "
"FROM public.users "
"WHERE users.type = '%1' "
"ORDER BY user_id ASC").arg(
TypeUserDBInstructor);
QSqlQuery query = QSqlQuery(*db);
if(queryExec(queryStr, &query))
{
while (query.next())
{//Инструктор
Instructor instructor;
instructor.setID(query.value(0).toInt());
instructor.setName(query.value(1).toString());
instructor.setLogin(query.value(2).toString());
instructor.setPassword(query.value(3).toString());
instructor.setIsAdmin(query.value(4).toBool());
instructor.setArchived(query.value(5).toBool());
instructor.setLoggedIn(query.value(6).toBool());
listInstructors.append(instructor);
}
}
return listInstructors;
}
Instructor DataBaseLMS::selectInstructor(int id_instructor)
{
Instructor instructor;
QString queryStr = QString("SELECT user_id, name, login, password, is_admin, archived, logged_in "
"FROM public.users "
"WHERE users.user_id = %1 AND users.type = '%2' ").arg(
QString::number(id_instructor),
TypeUserDBInstructor);
QSqlQuery query = QSqlQuery(*db);
if(queryExec(queryStr, &query))
{
if (query.first())
{//Инструктор
instructor.setID(query.value(0).toInt());
instructor.setName(query.value(1).toString());
instructor.setLogin(query.value(2).toString());
instructor.setPassword(query.value(3).toString());
instructor.setIsAdmin(query.value(4).toBool());
instructor.setArchived(query.value(5).toBool());
instructor.setLoggedIn(query.value(6).toBool());
}
}
return instructor;
}
bool DataBaseLMS::selectInstructorIsAdmin(int id_instructor)
{
QString queryStr = QString("SELECT users.is_admin "
"FROM public.users "
"WHERE user_id = %1 AND users.type = '%2' ").arg(
QString::number(id_instructor),
TypeUserDBInstructor );
return queryExecBool(queryStr);
}
int DataBaseLMS::insertInstructor()
{
QString queryStr = QString("INSERT INTO public.users (type, name, login, password, is_admin, archived, logged_in)"
"VALUES ('%1', DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT)"
"RETURNING user_id").arg(
TypeUserDBInstructor);
return queryExecInt(queryStr);
}
int DataBaseLMS::insertInstructor(Instructor instructor)
{
QString queryStr = QString("INSERT INTO public.users (type, name, login, password, is_admin, archived, logged_in) "
"VALUES ('%1', '%2', '%3', '%4', %5, %6, %7) "
"RETURNING user_id").arg(
TypeUserDBInstructor,
instructor.getName(),
instructor.getLogin(),
instructor.getPassword(),
instructor.getIsAdmin() ? "true" : "false",
instructor.getArchived() ? "true" : "false",
instructor.getLoggedIn() ? "true" : "false");
return queryExecInt(queryStr);
}
int DataBaseLMS::deleteInstructor(int id_instructor)
{
QString queryStr = QString("DELETE FROM public.users "
"WHERE user_id = %1 AND users.type = '%2' "
"RETURNING users.user_id").arg(
QString::number(id_instructor),
TypeUserDBInstructor);
return queryExecInt(queryStr);
}
int DataBaseLMS::updateInstructor(Instructor instructor)
{
QString queryStr = QString("UPDATE public.users "
"SET name = '%1', login = '%2', password = '%3', is_admin = %4, archived = %5, logged_in = %6 "
"WHERE user_id = %7 AND users.type = '%8' "
"RETURNING users.user_id").arg(
instructor.getName(),
instructor.getLogin(),
instructor.getPassword(),
instructor.getIsAdmin() ? "true" : "false",
instructor.getArchived() ? "true" : "false",
instructor.getLoggedIn() ? "true" : "false",
QString::number(instructor.getID()),
TypeUserDBInstructor);
return queryExecInt(queryStr);
}