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Переделано под один мега-проект LMS с общим CMakeLists.txt
This commit is contained in:
krivoshein
817
DataBaseLMS/databaselms.cpp
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817
DataBaseLMS/databaselms.cpp
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@@ -0,0 +1,817 @@
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#include "databaselms.h"
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#include <QtSql>
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#include <QSqlDatabase>
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#include <QMessageBox>
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DataBaseLMS::DataBaseLMS():
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db(nullptr),
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transactionBegined(false)
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{
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}
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DataBaseLMS::~DataBaseLMS()
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{
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deleteConnection();
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}
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bool DataBaseLMS::createConnection()
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{
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mtxAccess.lock();
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db = new QSqlDatabase(QSqlDatabase::addDatabase(dbType));
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db->setDatabaseName(dbName);
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db->setUserName(dbUserName);
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db->setPassword(dbPassword);
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db->setPort(5432);
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db->setHostName("192.168.100.87");
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if(!db->open())
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{
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mtxAccess.unlock();
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deleteConnection();
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return false;
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}
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else
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{
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mtxAccess.unlock();
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return true;
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}
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}
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void DataBaseLMS::deleteConnection()
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{
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mtxAccess.lock();
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if(transactionBegined)
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QSqlDatabase::database().rollback();
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if(db != nullptr)
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{
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if(db->isOpen())
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db->close();
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delete db;
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db = nullptr;
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}
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mtxAccess.unlock();
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}
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bool DataBaseLMS::isConnected()
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{
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mtxAccess.lock();
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if(db == nullptr)
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{
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mtxAccess.unlock();
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return false;
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}
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else
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{
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if(db->isOpen())
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{
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mtxAccess.unlock();
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return true;
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}
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}
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mtxAccess.unlock();
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return false;
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}
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bool DataBaseLMS::transactionBegin()
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{
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/*
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if(transactionBegined)
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QSqlDatabase::database().rollback();
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transactionBegined = true;
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return QSqlDatabase::database().transaction();
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*/
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return true;
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}
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bool DataBaseLMS::transactionEnd()
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{
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/*
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if(transactionBegined)
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{
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transactionBegined = false;
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return QSqlDatabase::database().commit();
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}
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return false;
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*/
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return true;
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}
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QList<Instructor> DataBaseLMS::selectAllInstructors()
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{
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QList<Instructor> listInstructors;
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QString queryStr = QString("SELECT instructor_id, name, login, password, is_admin, archived, logged_in "
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"FROM public.instructors "
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"ORDER BY instructor_id ASC");
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QSqlQuery query = QSqlQuery(*db);
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if(queryExec(queryStr, &query))
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{
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while (query.next())
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{//Инструктор
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Instructor instructor;
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instructor.setID(query.value(0).toInt());
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instructor.setName(query.value(1).toString());
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instructor.setLogin(query.value(2).toString());
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instructor.setPassword(query.value(3).toString());
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instructor.setIsAdmin(query.value(4).toBool());
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instructor.setArchived(query.value(5).toBool());
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instructor.setLoggedIn(query.value(6).toBool());
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listInstructors.append(instructor);
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}
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}
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return listInstructors;
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}
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QList<Trainee> DataBaseLMS::selectAllTrainees()
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{
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QList<Trainee> listTrainees;
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QString queryStr = QString("SELECT trainees.trainee_id, trainees.name, trainees.login, trainees.password, trainees.archived, trainees.logged_in, "
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"groups.group_id, groups.name, "
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"computers.computer_id, computers.name, computers.ip_address, "
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"classrooms.classroom_id, classrooms.name "
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"FROM public.trainees JOIN public.groups ON groups.group_id = trainees.group_trainee "
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"LEFT OUTER JOIN public.computers ON computers.computer_id = trainees.computer_trainee "
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"LEFT OUTER JOIN public.classrooms ON classrooms.classroom_id = computers.classroom_computer "
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"ORDER BY groups.name, trainees.name ASC");
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QSqlQuery query = QSqlQuery(*db);
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if(queryExec(queryStr, &query))
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{
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while (query.next())
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{//Обучаемый
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Trainee trainee;
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trainee.setID(query.value(0).toInt());
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trainee.setName(query.value(1).toString());
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trainee.setLogin(query.value(2).toString());
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trainee.setPassword(query.value(3).toString());
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trainee.setArchived(query.value(4).toBool());
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trainee.setLoggedIn(query.value(5).toBool());
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Group group = Group(query.value(6).toInt(), query.value(7).toString());
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trainee.setGroup(group);
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Classroom classroom = Classroom(query.value(11).toInt(), query.value(12).toString());
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Computer computer = Computer(query.value(8).toInt(), query.value(9).toString(), query.value(10).toString(), classroom);
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trainee.setComputer(computer);
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trainee.setTasks(selectTasksOfTrainee(trainee.getID()));
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listTrainees.append(trainee);
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}
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}
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return listTrainees;
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}
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QList<Group> DataBaseLMS::selectAllGroups()
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{
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QList<Group> listGroups;
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QString queryStr = QString("SELECT group_id, name "
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"FROM public.groups "
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"ORDER BY group_id ASC");
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QSqlQuery query = QSqlQuery(*db);
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if(queryExec(queryStr, &query))
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{
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while (query.next())
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{//Группа
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Group group;
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group.setID(query.value(0).toInt());
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group.setName(query.value(1).toString());
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listGroups.append(group);
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}
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}
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return listGroups;
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}
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Instructor DataBaseLMS::selectInstructor(int id_instructor)
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{
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Instructor instructor;
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QString queryStr = QString("SELECT instructor_id, name, login, password, is_admin, archived, logged_in "
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"FROM public.instructors "
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"WHERE instructors.instructor_id = %1 ").arg(
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id_instructor);
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QSqlQuery query = QSqlQuery(*db);
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if(queryExec(queryStr, &query))
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{
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if (query.first())
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{//Инструктор
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instructor.setID(query.value(0).toInt());
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instructor.setName(query.value(1).toString());
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instructor.setLogin(query.value(2).toString());
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instructor.setPassword(query.value(3).toString());
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instructor.setIsAdmin(query.value(4).toBool());
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instructor.setArchived(query.value(5).toBool());
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instructor.setLoggedIn(query.value(6).toBool());
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}
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}
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return instructor;
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}
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int DataBaseLMS::selectInstructorID(QString login, QString password)
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{
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QString queryStr;
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if(password != QStringLiteral(""))
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{
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queryStr = QString("SELECT instructors.instructor_id "
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"FROM public.instructors "
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"WHERE login = '%1' AND password = '%2' ").arg(
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login,
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password );
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}
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else
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{
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queryStr = QString("SELECT instructors.instructor_id "
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"FROM public.instructors "
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"WHERE login = '%1' ").arg(
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login );
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}
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return queryExecInt(queryStr);
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}
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QString DataBaseLMS::selectInstructorNameByLogin(QString login)
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{
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QString queryStr = QString("SELECT instructors.name "
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"FROM public.instructors "
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"WHERE instructors.login = '%1' ").arg(
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login );
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return queryExecString(queryStr);
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}
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bool DataBaseLMS::selectInstructorIsAdmin(int id_instructor)
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{
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QString queryStr = QString("SELECT instructors.is_admin "
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"FROM public.instructors "
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"WHERE instructor_id = %1 ").arg(
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id_instructor );
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return queryExecBool(queryStr);
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}
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bool DataBaseLMS::selectInstructorLoggedIn(int id_instructor)
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{
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QString queryStr = QString("SELECT instructors.logged_in "
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"FROM public.instructors "
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"WHERE instructor_id = %1 ").arg(
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id_instructor );
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return queryExecBool(queryStr);
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}
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bool DataBaseLMS::selectInstructorArchived(int id_instructor)
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{
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QString queryStr = QString("SELECT instructors.archived "
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"FROM public.instructors "
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"WHERE instructor_id = %1 ").arg(
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id_instructor );
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return queryExecBool(queryStr);
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}
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int DataBaseLMS::updateInstructorLoggedIn(int id_instructor, bool loggedIn)
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{
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QString queryStr = QString("UPDATE public.instructors "
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"SET logged_in = %1 "
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"WHERE instructor_id = %2 "
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"RETURNING instructors.instructor_id").arg(
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loggedIn ? "true" : "false",
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QString::number(id_instructor) );
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return queryExecInt(queryStr);
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}
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bool DataBaseLMS::updateAllInstructorsLoggedIn(bool loggedIn)
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{
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QString queryStr = QString("UPDATE public.instructors "
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"SET logged_in = %1 ").arg(
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loggedIn ? "true" : "false");
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QSqlQuery query = QSqlQuery(*db);
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return queryExec(queryStr, &query);
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}
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int DataBaseLMS::updateInstructorArchived(int id_instructor, bool archived)
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{
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QString queryStr = QString("UPDATE public.instructors "
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"SET archived = %1 "
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"WHERE instructor_id = %2 "
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"RETURNING instructors.instructor_id").arg(
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archived ? "true" : "false",
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QString::number(id_instructor) );
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return queryExecInt(queryStr);
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}
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int DataBaseLMS::insertInstructor()
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{
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QString queryStr = QString("INSERT INTO public.instructors "
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"DEFAULT VALUES "
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"RETURNING instructor_id");
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return queryExecInt(queryStr);
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}
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int DataBaseLMS::insertInstructor(Instructor instructor)
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{
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QString queryStr = QString("INSERT INTO public.instructors (name, login, password, is_admin, archived, logged_in) "
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"VALUES ('%1', '%2', '%3', %4, %5, %6) "
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"RETURNING instructor_id").arg(
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instructor.getName(),
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instructor.getLogin(),
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instructor.getPassword(),
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instructor.getIsAdmin() ? "true" : "false",
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instructor.getArchived() ? "true" : "false",
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instructor.getLoggedIn() ? "true" : "false");
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return queryExecInt(queryStr);
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}
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int DataBaseLMS::deleteInstructor(int id_instructor)
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{
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QString queryStr = QString("DELETE FROM public.instructors "
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"WHERE instructor_id = %1 "
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"RETURNING instructors.instructor_id").arg(
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QString::number(id_instructor));
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return queryExecInt(queryStr);
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}
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int DataBaseLMS::updateInstructor(Instructor instructor)
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{
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QString queryStr = QString("UPDATE public.instructors "
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"SET name = '%1', login = '%2', password = '%3', is_admin = %4, archived = %5, logged_in = %6 "
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"WHERE instructor_id = %7 "
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"RETURNING instructors.instructor_id").arg(
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instructor.getName(),
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instructor.getLogin(),
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instructor.getPassword(),
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instructor.getIsAdmin() ? "true" : "false",
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instructor.getArchived() ? "true" : "false",
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instructor.getLoggedIn() ? "true" : "false",
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QString::number(instructor.getID()) );
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return queryExecInt(queryStr);
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}
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Group DataBaseLMS::selectGroup(int id_group)
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{
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Group group;
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QString queryStr = QString("SELECT group_id, name "
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"FROM public.groups "
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"WHERE groups.group_id = %1 ").arg(
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id_group);
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QSqlQuery query = QSqlQuery(*db);
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if(queryExec(queryStr, &query))
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{
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if (query.first())
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{//Инструктор
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group.setID(query.value(0).toInt());
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group.setName(query.value(1).toString());
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}
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}
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return group;
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}
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int DataBaseLMS::insertGroup()
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{
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QString queryStr = QString("INSERT INTO public.groups "
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"DEFAULT VALUES "
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"RETURNING group_id");
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return queryExecInt(queryStr);
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}
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int DataBaseLMS::insertGroup(Group group)
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{
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QString queryStr = QString("INSERT INTO public.groups (name) "
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"VALUES ('%1') "
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"RETURNING groups.group_id").arg(
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group.getName());
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return queryExecInt(queryStr);
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}
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int DataBaseLMS::deleteGroup(int group_id)
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{
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QString queryStr = QString("DELETE FROM public.groups "
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"WHERE group_id = %1 "
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"RETURNING groups.group_id").arg(
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QString::number(group_id));
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return queryExecInt(queryStr);
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}
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int DataBaseLMS::updateGroup(Group group)
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{
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QString queryStr = QString("UPDATE public.groups SET name = '%1' "
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"WHERE group_id = %2 "
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"RETURNING groups.group_id").arg(
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group.getName(),
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QString::number(group.getID()) );
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return queryExecInt(queryStr);
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}
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Trainee DataBaseLMS::selectTrainee(int id_trainee)
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{
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Trainee trainee;
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QString queryStr = QString("SELECT trainees.trainee_id, trainees.name, trainees.login, trainees.password, trainees.archived, trainees.logged_in, "
|
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"groups.group_id, groups.name, "
|
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"computers.computer_id, computers.name, computers.ip_address, "
|
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"classrooms.classroom_id, classrooms.name "
|
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"FROM public.trainees JOIN public.groups ON groups.group_id = trainees.group_trainee "
|
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"LEFT OUTER JOIN public.computers ON computers.computer_id = trainees.computer_trainee "
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"LEFT OUTER JOIN public.classrooms ON classrooms.classroom_id = computers.classroom_computer "
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"WHERE trainees.trainee_id = %1 "
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"ORDER BY groups.name, trainees.name ASC").arg(
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id_trainee);
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QSqlQuery query = QSqlQuery(*db);
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if(queryExec(queryStr, &query))
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{
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if (query.first())
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{//Инструктор
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trainee.setID(query.value(0).toInt());
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trainee.setName(query.value(1).toString());
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trainee.setLogin(query.value(2).toString());
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trainee.setPassword(query.value(3).toString());
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trainee.setArchived(query.value(4).toBool());
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trainee.setLoggedIn(query.value(5).toBool());
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Group group = Group(query.value(6).toInt(), query.value(7).toString());
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trainee.setGroup(group);
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Classroom classroom = Classroom(query.value(11).toInt(), query.value(12).toString());
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Computer computer = Computer(query.value(8).toInt(), query.value(9).toString(), query.value(10).toString(), classroom);
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trainee.setComputer(computer);
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trainee.setTasks(selectTasksOfTrainee(trainee.getID()));
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}
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}
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return trainee;
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}
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QList<Trainee> DataBaseLMS::selectAllTraineesInGroup(int id_group)
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{
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QList<Trainee> listTrainees;
|
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|
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QString queryStr = QString("SELECT trainees.trainee_id, trainees.name, trainees.login, trainees.password, trainees.archived, trainees.logged_in, "
|
||||
"groups.group_id, groups.name, "
|
||||
"computers.computer_id, computers.name, computers.ip_address, "
|
||||
"classrooms.classroom_id, classrooms.name "
|
||||
"FROM public.trainees JOIN public.groups ON groups.group_id = trainees.group_trainee "
|
||||
"LEFT OUTER JOIN public.computers ON computers.computer_id = trainees.computer_trainee "
|
||||
"LEFT OUTER JOIN public.classrooms ON classrooms.classroom_id = computers.classroom_computer "
|
||||
"WHERE trainees.group_trainee = %1 "
|
||||
"ORDER BY groups.name, trainees.name ASC").arg(
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||||
id_group);
|
||||
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||||
QSqlQuery query = QSqlQuery(*db);
|
||||
|
||||
if(queryExec(queryStr, &query))
|
||||
{
|
||||
while (query.next())
|
||||
{//Обучаемый
|
||||
Trainee trainee;
|
||||
|
||||
trainee.setID(query.value(0).toInt());
|
||||
trainee.setName(query.value(1).toString());
|
||||
trainee.setLogin(query.value(2).toString());
|
||||
trainee.setPassword(query.value(3).toString());
|
||||
trainee.setArchived(query.value(4).toBool());
|
||||
trainee.setLoggedIn(query.value(5).toBool());
|
||||
|
||||
Group group = Group(query.value(6).toInt(), query.value(7).toString());
|
||||
trainee.setGroup(group);
|
||||
|
||||
Classroom classroom = Classroom(query.value(11).toInt(), query.value(12).toString());
|
||||
Computer computer = Computer(query.value(8).toInt(), query.value(9).toString(), query.value(10).toString(), classroom);
|
||||
trainee.setComputer(computer);
|
||||
|
||||
trainee.setTasks(selectTasksOfTrainee(trainee.getID()));
|
||||
|
||||
listTrainees.append(trainee);
|
||||
}
|
||||
}
|
||||
|
||||
return listTrainees;
|
||||
}
|
||||
|
||||
int DataBaseLMS::selectTraineeID(QString login, QString password)
|
||||
{
|
||||
QString queryStr;
|
||||
|
||||
if(password != QStringLiteral(""))
|
||||
{
|
||||
queryStr = QString("SELECT trainees.trainee_id "
|
||||
"FROM public.trainees "
|
||||
"WHERE login = '%1' AND password = '%2' ").arg(
|
||||
login,
|
||||
password );
|
||||
}
|
||||
else
|
||||
{
|
||||
queryStr = QString("SELECT trainees.trainee_id "
|
||||
"FROM public.trainees "
|
||||
"WHERE login = '%1' ").arg(
|
||||
login );
|
||||
}
|
||||
|
||||
return queryExecInt(queryStr);
|
||||
}
|
||||
|
||||
QString DataBaseLMS::selectTraineeNameByLogin(QString login)
|
||||
{
|
||||
QString queryStr = QString("SELECT trainees.name "
|
||||
"FROM public.trainees "
|
||||
"WHERE trainees.login = '%1' ").arg(
|
||||
login );
|
||||
|
||||
return queryExecString(queryStr);
|
||||
}
|
||||
|
||||
QString DataBaseLMS::selectTraineeNameOnComputer(QString computer_name)
|
||||
{
|
||||
QString queryStr = QString("SELECT trainees.name "
|
||||
"FROM public.trainees JOIN public.computers ON computers.computer_id = trainees.computer_trainee "
|
||||
"WHERE computers.name = '%1' ").arg(
|
||||
computer_name);
|
||||
|
||||
return queryExecString(queryStr);
|
||||
}
|
||||
|
||||
Trainee DataBaseLMS::selectTraineeOnComputer(QString computer_name)
|
||||
{
|
||||
Trainee trainee;
|
||||
|
||||
QString queryStr = QString("SELECT trainees.trainee_id, trainees.name, trainees.login, trainees.password, trainees.archived, trainees.logged_in, "
|
||||
"groups.group_id, groups.name, "
|
||||
"computers.computer_id, computers.name, computers.ip_address, "
|
||||
"classrooms.classroom_id, classrooms.name "
|
||||
"FROM public.trainees JOIN public.groups ON groups.group_id = trainees.group_trainee "
|
||||
"LEFT OUTER JOIN public.computers ON computers.computer_id = trainees.computer_trainee "
|
||||
"LEFT OUTER JOIN public.classrooms ON classrooms.classroom_id = computers.classroom_computer "
|
||||
"WHERE computers.name = '%1' ").arg(
|
||||
computer_name);
|
||||
|
||||
QSqlQuery query = QSqlQuery(*db);
|
||||
|
||||
if(queryExec(queryStr, &query))
|
||||
{
|
||||
if (query.first())
|
||||
{//Инструктор
|
||||
trainee.setID(query.value(0).toInt());
|
||||
trainee.setName(query.value(1).toString());
|
||||
trainee.setLogin(query.value(2).toString());
|
||||
trainee.setPassword(query.value(3).toString());
|
||||
trainee.setArchived(query.value(4).toBool());
|
||||
trainee.setLoggedIn(query.value(5).toBool());
|
||||
|
||||
Group group = Group(query.value(6).toInt(), query.value(7).toString());
|
||||
trainee.setGroup(group);
|
||||
|
||||
Classroom classroom = Classroom(query.value(11).toInt(), query.value(12).toString());
|
||||
Computer computer = Computer(query.value(8).toInt(), query.value(9).toString(), query.value(10).toString(), classroom);
|
||||
trainee.setComputer(computer);
|
||||
|
||||
trainee.setTasks(selectTasksOfTrainee(trainee.getID()));
|
||||
}
|
||||
}
|
||||
|
||||
return trainee;
|
||||
}
|
||||
|
||||
bool DataBaseLMS::selectTraineeArchived(int id_trainee)
|
||||
{
|
||||
QString queryStr = QString("SELECT trainees.archived "
|
||||
"FROM public.trainees "
|
||||
"WHERE trainee_id = %1 ").arg(
|
||||
id_trainee );
|
||||
|
||||
return queryExecBool(queryStr);
|
||||
}
|
||||
|
||||
bool DataBaseLMS::selectTraineeLoggedIn(int id_trainee)
|
||||
{
|
||||
QString queryStr = QString("SELECT trainees.logged_in "
|
||||
"FROM public.trainees "
|
||||
"WHERE trainee_id = %1 ").arg(
|
||||
id_trainee );
|
||||
|
||||
return queryExecBool(queryStr);
|
||||
}
|
||||
|
||||
int DataBaseLMS::updateTraineeLoggedIn(int id_trainee, bool loggedIn)
|
||||
{
|
||||
QString queryStr = QString("UPDATE public.trainees "
|
||||
"SET logged_in = %1 "
|
||||
"WHERE trainee_id = %2 "
|
||||
"RETURNING trainees.trainee_id").arg(
|
||||
loggedIn ? "true" : "false",
|
||||
QString::number(id_trainee) );
|
||||
|
||||
return queryExecInt(queryStr);
|
||||
}
|
||||
|
||||
bool DataBaseLMS::updateAllTraineesLoggedIn(bool loggedIn)
|
||||
{
|
||||
QString queryStr = QString("UPDATE public.trainees "
|
||||
"SET logged_in = %1 ").arg(
|
||||
loggedIn ? "true" : "false");
|
||||
|
||||
QSqlQuery query = QSqlQuery(*db);
|
||||
|
||||
return queryExec(queryStr, &query);
|
||||
}
|
||||
|
||||
int DataBaseLMS::updateTraineeArchived(int id_trainee, bool archived)
|
||||
{
|
||||
QString queryStr = QString("UPDATE public.trainees "
|
||||
"SET archived = %1 "
|
||||
"WHERE trainee_id = %2 "
|
||||
"RETURNING trainees.trainee_id").arg(
|
||||
archived ? "true" : "false",
|
||||
QString::number(id_trainee) );
|
||||
|
||||
return queryExecInt(queryStr);
|
||||
}
|
||||
|
||||
int DataBaseLMS::insertTrainee(int id_group)
|
||||
{
|
||||
QString queryStr = QString("INSERT INTO public.trainees (name, login, password, archived, logged_in, group_trainee) "
|
||||
"VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, %1) "
|
||||
"RETURNING trainees.trainee_id").arg(
|
||||
QString::number(id_group));
|
||||
|
||||
return queryExecInt(queryStr);
|
||||
}
|
||||
|
||||
int DataBaseLMS::insertTrainee(Trainee trainee)
|
||||
{
|
||||
QString queryStr = QString("INSERT INTO public.trainees (name, login, password, archived, logged_in, group_trainee) "
|
||||
"VALUES ('%1', '%2', '%3', %4, %5, %6) "
|
||||
"RETURNING trainees.trainee_id").arg(
|
||||
trainee.getName(),
|
||||
trainee.getLogin(),
|
||||
trainee.getPassword(),
|
||||
trainee.getArchived() ? "true" : "false",
|
||||
trainee.getLoggedIn() ? "true" : "false",
|
||||
QString::number(trainee.getGroup().getID()));
|
||||
|
||||
return queryExecInt(queryStr);
|
||||
}
|
||||
|
||||
int DataBaseLMS::deleteTrainee(int trainee_id)
|
||||
{
|
||||
QString queryStr = QString("DELETE FROM public.trainees "
|
||||
"WHERE trainee_id = %1 "
|
||||
"RETURNING trainees.trainee_id").arg(
|
||||
QString::number(trainee_id));
|
||||
|
||||
return queryExecInt(queryStr);
|
||||
}
|
||||
|
||||
int DataBaseLMS::updateTrainee(Trainee trainee)
|
||||
{
|
||||
QString computer_id = (trainee.getComputer().getID() == 0 ? QStringLiteral("null") : QString::number(trainee.getComputer().getID()));
|
||||
|
||||
QString queryStr = QString("UPDATE public.trainees "
|
||||
"SET name = '%1', login = '%2', password = '%3', archived = %4, logged_in = %5, "
|
||||
"group_trainee = %6, "
|
||||
"computer_trainee = %7 "
|
||||
"WHERE trainee_id = %8 "
|
||||
"RETURNING trainees.trainee_id").arg(
|
||||
trainee.getName(),
|
||||
trainee.getLogin(),
|
||||
trainee.getPassword(),
|
||||
trainee.getArchived() ? "true" : "false",
|
||||
trainee.getLoggedIn() ? "true" : "false",
|
||||
QString::number(trainee.getGroup().getID()),
|
||||
computer_id,
|
||||
QString::number(trainee.getID()) );
|
||||
|
||||
return queryExecInt(queryStr);
|
||||
}
|
||||
|
||||
QList<Task> DataBaseLMS::selectTasksOfTrainee(int trainee_id)
|
||||
{
|
||||
QList<Task> tasks;
|
||||
|
||||
QString queryStr = QString("SELECT tasks.task_id, tasks.name "
|
||||
"FROM public.trainees "
|
||||
"JOIN public.trainees_tasks ON trainees_tasks.trainee_id = trainees.trainee_id "
|
||||
"JOIN public.tasks ON tasks.task_id = trainees_tasks.task_id "
|
||||
"WHERE trainees.trainee_id = %1 "
|
||||
"ORDER BY tasks.name ASC").arg(
|
||||
trainee_id);
|
||||
|
||||
QSqlQuery query = QSqlQuery(*db);
|
||||
|
||||
if(queryExec(queryStr, &query))
|
||||
{
|
||||
while (query.next())
|
||||
{//Задача
|
||||
Task task;
|
||||
task.setID(query.value(0).toInt());
|
||||
task.setName(query.value(1).toString());
|
||||
tasks.append(task);
|
||||
}
|
||||
}
|
||||
|
||||
return tasks;
|
||||
}
|
||||
|
||||
int DataBaseLMS::queryExecInt(QString queryStr)
|
||||
{
|
||||
QSqlQuery query = QSqlQuery(*db);
|
||||
|
||||
if(queryExec(queryStr, &query))
|
||||
{
|
||||
if(query.first())
|
||||
return query.value(0).toInt();
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
QString DataBaseLMS::queryExecString(QString queryStr)
|
||||
{
|
||||
QSqlQuery query = QSqlQuery(*db);
|
||||
|
||||
if(queryExec(queryStr, &query))
|
||||
{
|
||||
if(query.first())
|
||||
return query.value(0).toString();
|
||||
}
|
||||
|
||||
return QStringLiteral("");
|
||||
}
|
||||
|
||||
bool DataBaseLMS::queryExecBool(QString queryStr)
|
||||
{
|
||||
QSqlQuery query = QSqlQuery(*db);
|
||||
|
||||
if(queryExec(queryStr, &query))
|
||||
{
|
||||
if(query.first())
|
||||
return query.value(0).toBool();
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
bool DataBaseLMS::queryExec(QString queryStr, QSqlQuery *query)
|
||||
{
|
||||
bool res = false;
|
||||
mtxAccess.lock();
|
||||
if(! (res = query->exec(queryStr)) )
|
||||
messageWarningErrorQuery(queryStr, query);
|
||||
mtxAccess.unlock();
|
||||
return res;
|
||||
}
|
||||
|
||||
void DataBaseLMS::messageWarningErrorQuery(QString queryStr, QSqlQuery* query)
|
||||
{
|
||||
QMessageBox::warning(nullptr, dbName,
|
||||
"Error query:\n" + query->lastError().text() + "\n" +
|
||||
"String of query:\n" + queryStr + "\n" +
|
||||
"Executed query:\n" + query->executedQuery());
|
||||
}
|
||||
Reference in New Issue
Block a user