Переделано под один мега-проект LMS с общим CMakeLists.txt

DataBaseLMS/interfacedatabaselms.cpp

@@ -0,0 +1,347 @@
+#include <QMessageBox>
+#include <QCoreApplication>
+#include <QSqlError>
+#include "interfacedatabaselms.h"
+
+InterfaceDataBaseLMS::InterfaceDataBaseLMS(QWidget* parent):
+    QWidget(parent),
+    DataBaseLMS()
+{
+
+}
+
+void InterfaceDataBaseLMS::slot_LanguageChanged(QString language)
+{
+    qtLanguageTranslator.load(QString(QStringLiteral("translations/DataBaseLMS_")) + language, QStringLiteral("."));
+    QCoreApplication::installTranslator(&qtLanguageTranslator);
+}
+
+bool InterfaceDataBaseLMS::ConnectionToDB()
+{
+    if(!createConnection())
+    {
+        QMessageBox::critical(nullptr, dbName, tr("Connection error: ") + db->lastError().text());
+        return false;
+    }
+    else
+    {
+        //QMessageBox::information(nullptr, dbName, tr("Connection is successful!"));
+        return true;
+    }
+}
+
+bool InterfaceDataBaseLMS::DisConnectionFromDB()
+{
+    deleteConnection();
+    //QMessageBox::information(nullptr, dbName, tr("Disconnection is successful!"));
+    return true;
+}
+
+bool InterfaceDataBaseLMS::DBisConnected()
+{
+    return isConnected();
+}
+
+//Инструкторы
+
+bool InterfaceDataBaseLMS::AuthorizationInstructor(QString login, QString password)
+{
+    if(! transactionBegin())
+        return false;
+
+    if(int id = selectInstructorID(login, password))
+    {
+        if(updateInstructorLoggedIn(id, true))
+            return transactionEnd();
+    }
+
+    transactionEnd();
+    return false;
+}
+
+bool InterfaceDataBaseLMS::deAuthorizationInstructor(QString login)
+{
+    if(! transactionBegin())
+        return false;
+
+    if(int id = selectInstructorID(login))
+    {
+        if(updateInstructorLoggedIn(id, false))
+            return transactionEnd();
+    }
+
+    transactionEnd();
+    return false;
+}
+
+bool InterfaceDataBaseLMS::deAuthorizationAllInstructors()
+{
+    return updateAllInstructorsLoggedIn(false);
+}
+
+QString InterfaceDataBaseLMS::getNameInstructorByLogin(QString login)
+{
+    return selectInstructorNameByLogin(login);
+}
+
+QList<Instructor> InterfaceDataBaseLMS::getListInstructors()
+{
+    return selectAllInstructors();
+}
+
+Instructor InterfaceDataBaseLMS::getInstructor(int id)
+{
+    return selectInstructor(id);
+}
+
+int InterfaceDataBaseLMS::newInstructor()
+{
+    return insertInstructor();
+}
+
+int InterfaceDataBaseLMS::delInstructor(int id)
+{
+    return deleteInstructor(id);
+}
+
+int InterfaceDataBaseLMS::editInstructor(Instructor instructor)
+{
+    //Проверка корректности логина, имени, пароля
+    QList<Instructor> listInstructors = selectAllInstructors();
+    for(Instructor exist_instructor : listInstructors)
+    {
+        if(instructor.getName() == QStringLiteral("<instructor>"))
+        {//Имя не корректно!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("Unacceptable instructor name has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+
+        if(instructor.getLogin() == QStringLiteral("<login>"))
+        {//Логин не корректен!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("Unacceptable instructor login has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+
+        if(instructor.getPassword() == QStringLiteral("<password>"))
+        {//Пароль не корректный!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("Unacceptable instructor password has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+
+        if(instructor.getName() == exist_instructor.getName() && instructor.getID() != exist_instructor.getID())
+        {//Имя уже существует
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("An existing instructor name has been entered."));
+            return 0;
+        }
+
+        if(instructor.getLogin() == exist_instructor.getLogin() && instructor.getID() != exist_instructor.getID())
+        {//Логин уже существует!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("An existing instructor login has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+    }
+
+    return updateInstructor(instructor);
+}
+
+bool InterfaceDataBaseLMS::isAdminInstructor(int id)
+{
+    return selectInstructorIsAdmin(id);
+}
+
+bool InterfaceDataBaseLMS::isArchivedInstructor(int id)
+{
+    return selectInstructorArchived(id);
+}
+
+bool InterfaceDataBaseLMS::isLoggedInInstructor(int id)
+{
+    return selectInstructorLoggedIn(id);
+}
+
+
+//Инструкторы
+
+bool InterfaceDataBaseLMS::AuthorizationTrainee(QString login, QString password, QString classroom_name, QString computer_name)
+{
+    if(! transactionBegin())
+        return false;
+
+    if(int id = selectTraineeID(login, password))
+    {
+        if(updateTraineeLoggedIn(id, true))
+            return transactionEnd();
+    }
+
+    transactionEnd();
+    return false;
+}
+
+bool InterfaceDataBaseLMS::deAuthorizationTrainee(QString login)
+{
+    if(! transactionBegin())
+        return false;
+
+    if(int id = selectTraineeID(login))
+    {
+        if(updateTraineeLoggedIn(id, false))
+            return transactionEnd();
+    }
+
+    transactionEnd();
+    return false;
+}
+
+bool InterfaceDataBaseLMS::deAuthorizationAllTrainees()
+{
+    return updateAllTraineesLoggedIn(false);
+}
+
+QList<Task> InterfaceDataBaseLMS::getTasksTrainee(int id)
+{
+    return selectTasksOfTrainee(id);
+}
+
+QString InterfaceDataBaseLMS::getNameTraineeOnComputer(QString computer_name)
+{
+    return selectTraineeNameOnComputer(computer_name);
+}
+
+Trainee InterfaceDataBaseLMS::getTraineeOnComputer(QString computer_name)
+{
+    return selectTraineeOnComputer(computer_name);
+}
+
+QString InterfaceDataBaseLMS::getNameTraineeByLogin(QString login)
+{
+    return selectTraineeNameByLogin(login);
+}
+
+QList<Trainee> InterfaceDataBaseLMS::getListTraineesInGroup(int id)
+{
+    return selectAllTraineesInGroup(id);
+}
+
+QList<Group> InterfaceDataBaseLMS::getListGroups()
+{
+    return selectAllGroups();
+}
+
+QList<Trainee> InterfaceDataBaseLMS::getListTrainees()
+{
+    return selectAllTrainees();
+}
+
+Trainee InterfaceDataBaseLMS::getTrainee(int id)
+{
+    return selectTrainee(id);
+}
+
+Group InterfaceDataBaseLMS::getGroup(int id)
+{
+    return selectGroup(id);
+}
+
+int InterfaceDataBaseLMS::newGroup()
+{
+    return insertGroup();
+}
+
+int InterfaceDataBaseLMS::delGroup(int id)
+{
+    return deleteGroup(id);
+}
+
+int InterfaceDataBaseLMS::editGroup(Group group)
+{
+    //Проверка корректности имени
+    QList<Group> listGroups = selectAllGroups();
+    for(Group exist_group : listGroups)
+    {
+        if(group.getName() == QStringLiteral("<group>"))
+        {//Имя не корректно!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("Unacceptable group name has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+
+        if(group.getName() == exist_group.getName() && group.getID() != exist_group.getID())
+        {//Имя уже существует
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("An existing group name has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+    }
+
+    return updateGroup(group);
+}
+
+int InterfaceDataBaseLMS::newTrainee(int id_group)
+{
+    return insertTrainee(id_group);
+}
+
+int InterfaceDataBaseLMS::delTrainee(int id)
+{
+    return deleteTrainee(id);
+}
+
+int InterfaceDataBaseLMS::editTrainee(Trainee trainee)
+{
+    //Проверка корректности логина, имени, пароля
+    QList<Trainee> listTrainees = selectAllTrainees();
+    for(Trainee exist_trainee : listTrainees)
+    {
+        if(trainee.getName() == QStringLiteral("<trainee>"))
+        {//Имя не корректно!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("Unacceptable trainee name has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+
+        if(trainee.getLogin() == QStringLiteral("<login>"))
+        {//Логин не корректен!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("Unacceptable trainee login has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+
+        if(trainee.getPassword() == QStringLiteral("<password>"))
+        {//Пароль не корректный!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("Unacceptable trainee password has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+
+        if(trainee.getName() == exist_trainee.getName() && trainee.getID() != exist_trainee.getID())
+        {//Имя уже существует
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("An existing trainee name has been entered."));
+            return 0;
+        }
+
+        if(trainee.getLogin() == exist_trainee.getLogin() && trainee.getID() != exist_trainee.getID())
+        {//Логин уже существует!
+            QMessageBox::critical(nullptr, tr("Editing error!"),
+                                  tr("An existing trainee login has been entered.\nThe changes will not be accepted."));
+            return 0;
+        }
+    }
+
+    return updateTrainee(trainee);
+}
+
+bool InterfaceDataBaseLMS::isArchivedTrainee(int id)
+{
+    return selectTraineeArchived(id);
+}
+
+bool InterfaceDataBaseLMS::isLoggedInTrainee(int id)
+{
+    return selectTraineeLoggedIn(id);
+}