before interface 13.11.2024

DB_IaT/Debug64/.ninja_log

@@ -1,78 +1,121 @@
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+17	54	0	D:/LMS/DB_IaT/Debug64/CMakeFiles/InstructorsAndTrainees_autogen	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/mocs_compilation.cpp	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/ui_instructorsandtraineeswidget.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/trainees/ui_editortrainees.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/trainees/ui_dialogeditgroup.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/trainees/ui_dialogedittrainee.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/trainees/ui_viewertrainees.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/instructors/ui_viewerinstructors.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/instructors/ui_editorinstructors.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/instructors/ui_dialogeditinstructor.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/instructors/ui_dialogauthorizationinstructor.h	325fc9931da2ad77
+17	54	0	D:/LMS/DB_IaT/Debug64/InstructorsAndTrainees_autogen/include/tasks/ui_taskswidget.h	325fc9931da2ad77
+61	1646	7531839533616695	CMakeFiles/InstructorsAndTrainees.dir/trainees/databasetrainees.cpp.obj	b3eab31811ef0e17
+73	1706	7531839534240696	CMakeFiles/InstructorsAndTrainees.dir/instructors/databaseinstructors.cpp.obj	50eb3e676aec3cc5
+79	1722	7531839534380323	CMakeFiles/InstructorsAndTrainees.dir/instructors/instructorsview.cpp.obj	d1fea9a96fa095b1
+64	1741	7531839534601666	CMakeFiles/InstructorsAndTrainees.dir/trainees/viewertrainees.cpp.obj	99b246ecbf2b6f9b
+69	1807	7531839535259884	CMakeFiles/InstructorsAndTrainees.dir/instructors/viewerinstructors.cpp.obj	2aa58696f5232c4b
+54	1819	7531839535390685	CMakeFiles/InstructorsAndTrainees.dir/InstructorsAndTrainees_autogen/mocs_compilation.cpp.obj	639ec716a2902c9f
+83	1852	7531839535709841	CMakeFiles/InstructorsAndTrainees.dir/tasks/taskswidget.cpp.obj	187ec526627f696e
+76	1855	7531839535739769	CMakeFiles/InstructorsAndTrainees.dir/instructors/editorinstructors.cpp.obj	b8e3d2e3a65912a8
+59	1861	7531839535800849	CMakeFiles/InstructorsAndTrainees.dir/trainees/editortrainees.cpp.obj	2e9a885629b6e173
+67	1866	7531839535859449	CMakeFiles/InstructorsAndTrainees.dir/trainees/traineesview.cpp.obj	a6ea1bfa14213881
+56	1976	7531839536960691	CMakeFiles/InstructorsAndTrainees.dir/instructorsandtraineeswidget.cpp.obj	8e8beb29ba6ba100
+1976	2385	7531839541029361	libInstructorsAndTrainees.dll	d721655f2d9255b7
+1976	2385	7531839541029361	libInstructorsAndTrainees.dll.a	d721655f2d9255b7

DB_IaT/Debug64/CMakeFiles/InstructorsAndTrainees_autogen.dir/ParseCache.txt

@@ -1,12 +1,17 @@
 # Generated by CMake. Changes will be overwritten.
+D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/databaseinstructors.h
+ mmc:Q_OBJECT
+D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/dialogeditinstructor.cpp
+ uic:ui_dialogeditinstructor.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/dialogedittrainee.cpp
  uic:ui_dialogedittrainee.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/dialogeditgroup.cpp
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/computersLocations.cpp
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/editortrainees.h
-D:/LMS/DB_IaT/InstructorsAndTrainees/instructorsandtraineeswidget.h
  mmc:Q_OBJECT
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/viewertrainees.h
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/computersLocations.h
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/dialogeditgroup.h
  mmc:Q_OBJECT
+ uic:ui_dialogeditgroup.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/viewerinstructors.h
  mmc:Q_OBJECT
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/dialogauthorizationinstructor.cpp
@@ -15,47 +20,42 @@ D:/LMS/DB_IaT/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
  uic:ui_instructorsandtraineeswidget.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/editorinstructors.h
  mmc:Q_OBJECT
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/viewertrainees.h
+ mmc:Q_OBJECT
+D:/LMS/DB_IaT/InstructorsAndTrainees/instructorsandtraineeswidget.h
+ mmc:Q_OBJECT
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructorsAndTrainees_global.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/instructorsview.h
  mmc:Q_OBJECT
-D:/LMS/DB_IaT/InstructorsAndTrainees/commonview.h
- mmc:Q_OBJECT
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/databasetrainees.h
- mmc:Q_OBJECT
-D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/instructorsview.cpp
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/databasetrainees.cpp
-D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/viewerinstructors.cpp
- uic:ui_viewerinstructors.h
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/viewertrainees.cpp
- uic:ui_viewertrainees.h
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/dialogeditgroup.h
- mmc:Q_OBJECT
- uic:ui_dialogeditgroup.h
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/editortrainees.cpp
- uic:ui_editortrainees.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/dialogeditinstructor.h
  mmc:Q_OBJECT
  uic:ui_dialogeditinstructor.h
+D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/instructorsview.cpp
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/editortrainees.cpp
+ uic:ui_editortrainees.h
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/traineesview.cpp
+D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/databaseinstructors.cpp
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/dialogauthorizationinstructor.h
  mmc:Q_OBJECT
  uic:ui_dialogauthorizationinstructor.h
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/traineesview.cpp
-D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/databaseinstructors.cpp
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/computersLocations.h
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/editortrainees.h
- mmc:Q_OBJECT
-D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/dialogedittrainee.h
- mmc:Q_OBJECT
 D:/LMS/DB_IaT/InstructorsAndTrainees/tasks/taskswidget.h
  mmc:Q_OBJECT
 D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/traineesview.h
  mmc:Q_OBJECT
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/dialogedittrainee.h
+ mmc:Q_OBJECT
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/viewertrainees.cpp
+ uic:ui_viewertrainees.h
+D:/LMS/DB_IaT/InstructorsAndTrainees/commonview.h
+ mmc:Q_OBJECT
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/databasetrainees.h
+ mmc:Q_OBJECT
+D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/viewerinstructors.cpp
+ uic:ui_viewerinstructors.h
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/databasetrainees.cpp
 D:/LMS/DB_IaT/InstructorsAndTrainees/tasks/taskswidget.cpp
  uic:ui_taskswidget.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/editorinstructors.cpp
  uic:ui_editorinstructors.h
 D:/LMS/DB_IaT/InstructorsAndTrainees/commonview.cpp
-D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/dialogeditinstructor.cpp
+D:/LMS/DB_IaT/InstructorsAndTrainees/trainees/computersLocations.cpp
- uic:ui_dialogeditinstructor.h
-D:/LMS/DB_IaT/InstructorsAndTrainees/instructors/databaseinstructors.h
- mmc:Q_OBJECT

DB_IaT/InstructorsAndTrainees/CMakeLists.txt.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.1, 2024-11-06T16:05:43. -->
+<!-- Written by QtCreator 4.11.1, 2024-11-13T09:53:44. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

DB_IaT/InstructorsAndTrainees/instructors/databaseinstructors.cpp

@@ -6,8 +6,6 @@ DataBaseInstructors::DataBaseInstructors(DataBaseLMS* dbLMS):
     adminMode(false)
 {
     this->dbLMS = dbLMS;
-
-    LoadInstructorsPSQL();
 }
 
 DataBaseInstructors::~DataBaseInstructors()
@@ -15,229 +13,91 @@ DataBaseInstructors::~DataBaseInstructors()
 
 }
 
-void DataBaseInstructors::LoadInstructorsPSQL()
-{
-     listOfInstructors.clear();
-     listOfInstructors = dbLMS->selectAllInstructors();
-
-     QApplication::beep();
-}
-
 bool DataBaseInstructors::AuthorizationInstructor(QString login, QString password)
 {
-    //Инструкторы
+    if(! dbLMS->transactionBegin())
-    for(int i = 0; i < listOfInstructors.count(); i++)
+        return false;
+
+    if(int id = dbLMS->selectInstructorID(login, password))
     {
-        if(listOfInstructors[i].getArchived())
+        if(dbLMS->updateInstructorLoggedIn(id, true))
-            continue;
+            return dbLMS->transactionEnd();
-
-        if(listOfInstructors[i].getLogin() == login && listOfInstructors[i].getPassword() == password)
-        {
-            Instructor instructor = listOfInstructors[i];
-            instructor.setLoggedIn(true);
-
-            int id = dbLMS->updateInstructor(instructor);
-
-            if(id)
-            {
-                LoadInstructorsPSQL();
-                return true;
-            }
-            else
-                return false;
-        }
     }
+
+    dbLMS->transactionEnd();
     return false;
 }
 
 bool DataBaseInstructors::deAuthorizationInstructor(QString login)
 {
-    //Инструкторы
+    if(! dbLMS->transactionBegin())
-    for(int i = 0; i < listOfInstructors.count(); i++)
+        return false;
+
+    if(int id = dbLMS->selectInstructorID(login))
     {
-        if(listOfInstructors[i].getArchived())
+        if(dbLMS->updateInstructorLoggedIn(id, false))
-            continue;
+            return dbLMS->transactionEnd();
-
-        if(listOfInstructors[i].getLogin() == login)
-        {
-            Instructor instructor = listOfInstructors[i];
-            instructor.setLoggedIn(false);
-
-            int id = dbLMS->updateInstructor(instructor);
-
-            if(id)
-            {
-                LoadInstructorsPSQL();
-                return true;
-            }
-            else
-                return false;
-        }
     }
+
+    dbLMS->transactionEnd();
     return false;
 }
 
+QList<Instructor> DataBaseInstructors::getListInstructors()
+{
+    return dbLMS->selectAllInstructors();
+}
+
 Instructor DataBaseInstructors::getInstructor(int id)
 {
-    //Инструкторы
+    return dbLMS->selectInstructor(id);
-    for(int i = 0; i < listOfInstructors.count(); i++)
-    {
-        if(listOfInstructors[i].getID() == id)
-            return listOfInstructors[i];
-    }
-    return Instructor();
 }
 
-QString DataBaseInstructors::getNameInstructorByLogin(QString login)
-{
-    for(Instructor instructor : listOfInstructors)
-    {
-        if(instructor.getLogin() == login)
-            return instructor.getName();
-    }
-    return QString(QStringLiteral(""));
-}
-/*
-QString DataBaseInstructors::getAuthorizedInstructorName()
-{
-    //Инструкторы
-    for(int i = 0; i < listOfInstructors.count(); i++)
-    {
-        if(listOfInstructors[i].getLoggedIn())
-            return listOfInstructors[i].getName();
-    }
-    return QStringLiteral("");
-}*/
-
 int DataBaseInstructors::newInstructor()
 {
-    Instructor instructor;
+    return dbLMS->insertInstructor();
-    instructor.setName(generateDefaultNameInstructor());
-    instructor.setLogin(generateDefaultLoginInstructor());
-    instructor.setPassword(QStringLiteral("<password>"));
-    instructor.setIsAdmin(false);
-    instructor.setArchived(false);
-    instructor.setLoggedIn(false);    
-
-    int id = dbLMS->insertInstructor(instructor);
-
-    if(id)
-    {
-        LoadInstructorsPSQL();
-        return id;
-    }
-    else
-        return 0;
 }
 
 int DataBaseInstructors::deleteInstructor(int id)
 {
-    //Инструкторы
+    return dbLMS->deleteInstructor(id);
-    for(int i = 0; i < listOfInstructors.count(); i++)
-    {
-        if(listOfInstructors[i].getID() == id)
-        {
-            int id_del = dbLMS->deleteInstructor(id);
-
-            if(id_del)
-            {
-                LoadInstructorsPSQL();
-                return id_del;
-            }
-            else
-                return  0;
-        }
-    }
-    return  0;
 }
 
 int DataBaseInstructors::editInstructor(Instructor instructor)
 {
-    //Инструкторы
+    //Проверка дублирования логина и имени
-    for(int i = 0; i < listOfInstructors.count(); i++)
+    QList<Instructor> listInstructors = dbLMS->selectAllInstructors();
+    for(Instructor exist_instructor : listInstructors)
     {
-        if(listOfInstructors[i].getID() == instructor.getID())
+        if(instructor.getLogin() == exist_instructor.getLogin() && instructor.getID() != exist_instructor.getID())
-        {
+        {//Логин уже существует!
-            if( (!checkExistNameInstructor(instructor.getName()) || instructor.getName() == listOfInstructors[i].getName()) &&
+            QMessageBox::critical(nullptr, tr("Editing error!"),
-                (!checkExistLoginInstructor(instructor.getLogin()) || instructor.getLogin() == listOfInstructors[i].getLogin())   )
+                                  tr("An existing instructor login has been entered.\nThe changes will not be accepted."));
-            {                
+            return 0;
-                int id = dbLMS->updateInstructor(instructor);
+        }
 
-                if(id)
+        if(instructor.getName() == exist_instructor.getName() && instructor.getID() != exist_instructor.getID())
-                {
+        {//Имя уже существует
-                    LoadInstructorsPSQL();
+            QMessageBox::warning(nullptr, tr("Editing warning!"),
-                    return id;
+                                  tr("An existing instructor name has been entered."));
-                }
+            //return 0;
-                else
-                    return 0;
-            }
         }
     }
-    return 0;
+
+    return dbLMS->updateInstructor(instructor);
 }
 
 bool DataBaseInstructors::isAdmin(int id)
 {
-    //Инструкторы
+    return dbLMS->selectInstructorIsAdmin(id);
-    for(int i = 0; i < listOfInstructors.count(); i++)
-    {
-        if(listOfInstructors[i].getID() == id)
-            return listOfInstructors[i].getIsAdmin();
-    }
-    return false;
 }
 
 bool DataBaseInstructors::isArchived(int id)
 {
-    //Инструкторы
+    return dbLMS->selectInstructorArchived(id);
-    for(int i = 0; i < listOfInstructors.count(); i++)
-    {
-        if(listOfInstructors[i].getID() == id)
-            return listOfInstructors[i].getArchived();
-    }
-    return false;
 }
 
-QString DataBaseInstructors::generateDefaultNameInstructor()
+bool DataBaseInstructors::existLogin(QString login)
 {
-    int numInstructor = 0;
-    QString name;
-    do
-    {
-        name = QStringLiteral("<") + tr("Instructor") + QStringLiteral(" ") + QString::number(++numInstructor) + QStringLiteral(">");
-    }while(checkExistNameInstructor(name));
-    return name;
-}
 
-bool DataBaseInstructors::checkExistNameInstructor(QString name)
-{
-    //Инструкторы
-    for(int i = 0; i < listOfInstructors.count(); i++)
-    {
-        if(listOfInstructors[i].getName() == name)
-            return true;
-    }
-    return false;
-}
-
-QString DataBaseInstructors::generateDefaultLoginInstructor()
-{
-    int numInstructor = 0;
-    QString login;
-    do
-    {
-        login = QStringLiteral("<I") + QString::number(++numInstructor) + QStringLiteral(">");
-    }while(checkExistLoginInstructor(login));
-    return login;
-}
-
-bool DataBaseInstructors::checkExistLoginInstructor(QString login)
-{
-    //Инструкторы
-    for(int i = 0; i < listOfInstructors.count(); i++)
-    {
-        if(listOfInstructors[i].getLogin() == login)
-            return true;
-    }
-    return false;
 }

DB_IaT/InstructorsAndTrainees/instructors/databaseinstructors.h

@@ -5,10 +5,8 @@
 #include <QObject>
 #include "instructorsAndTrainees_global.h"
 #include "instructor.h"
-
 #include "databaselms.h"
 
-
 class DataBaseInstructors : QObject
 {
     Q_OBJECT
@@ -17,19 +15,12 @@ public:
     DataBaseInstructors(DataBaseLMS* dbLMS);
     ~DataBaseInstructors();
 
-    void LoadInstructorsPSQL();
-
     bool AuthorizationInstructor(QString login, QString password);
     bool deAuthorizationInstructor(QString login);
 
-    QList<Instructor> getListInstructors(){ return listOfInstructors; } //Для загрузки
+    QList<Instructor> getListInstructors();
-
     Instructor getInstructor(int id);
 
-    QString getNameInstructorByLogin(QString login);
-
-    //QString getAuthorizedInstructorName();
-
     int newInstructor();
     int deleteInstructor(int id);
     int editInstructor(Instructor instructor);
@@ -37,19 +28,10 @@ public:
     bool isAdmin(int id);
     bool isArchived(int id);
 
+    bool existLogin(QString login);
 
 private:
-    QString generateDefaultNameInstructor();
-    bool checkExistNameInstructor(QString name);
-
-    QString generateDefaultLoginInstructor();
-    bool checkExistLoginInstructor(QString login);
-
-private:
-    QList<Instructor> listOfInstructors;
-
     bool adminMode;
-
     DataBaseLMS* dbLMS;
 };
 

DB_IaT/InstructorsAndTrainees/instructors/editorinstructors.cpp

@@ -12,6 +12,9 @@ EditorInstructors::EditorInstructors(DataBaseInstructors* db, bool adminMode, QW
     preparationTreeWidget(ui->treeWidget);
     setNotLoggedInVisible(true);
     loadInstructorsFromDB();
+
+    if(adminMode)
+        ui->btnArchive->click();
 }
 
 EditorInstructors::~EditorInstructors()
@@ -21,9 +24,11 @@ EditorInstructors::~EditorInstructors()
 
 void EditorInstructors::on_btnNewInstructor_clicked()
 {
-    int id = dbInstructors->newInstructor();
+    if(int id = dbInstructors->newInstructor())
-    loadInstructorsFromDB();
+    {
-    setCurrentInstructor(id);
+        loadInstructorsFromDB();
+        setCurrentInstructor(id);
+    }
 }
 
 void EditorInstructors::on_btnDeleteInstructor_clicked()
@@ -36,7 +41,7 @@ void EditorInstructors::on_btnDeleteInstructor_clicked()
         if(treeItemParent == nullptr)
         {//Выбран Инструктор
 
-            int id = treeItemCurrent->text(0).toInt();
+            int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
 
             if(dbInstructors->isAdmin(id))
             {//Это Админ!
@@ -46,8 +51,8 @@ void EditorInstructors::on_btnDeleteInstructor_clicked()
 
             if(QMessageBox::warning(this, tr("Attention!"), tr("The deletion will be irrevocable.\nDelete it anyway?"), QMessageBox::Ok, QMessageBox::Cancel) == QMessageBox::Ok)
             {
-                dbInstructors->deleteInstructor(id);
+                if(dbInstructors->deleteInstructor(id))
-                loadInstructorsFromDB();
+                    loadInstructorsFromDB();
             }
         }
     }
@@ -63,9 +68,11 @@ void EditorInstructors::on_btnToOrFromArchive_clicked()
         if(treeItemParent == nullptr)
         {//Выбран Инструктор
 
-            int id = treeItemCurrent->text(0).toInt();
+            int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
 
             Instructor instructor = dbInstructors->getInstructor(id);
+            if(instructor.getID() == 0)
+                return;
 
             if(instructor.getArchived())
             {//Архивный
@@ -103,29 +110,45 @@ void EditorInstructors::on_btnEdit_clicked()
     if(treeItemParent == nullptr)
     {//Выбран Инструктор
 
-        int id = treeItemCurrent->text(0).toInt();
+        int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
 
         DialogEditInstructor dlg(this);
-        dlg.setInstructor(dbInstructors->getInstructor(id));
 
-        switch( dlg.exec() )
+        Instructor instructor = dbInstructors->getInstructor(id);
+        if(instructor.getID() == 0)
+            return;
+
+        dlg.setInstructor(instructor);
+
+        while (true)
         {
-        case QDialog::Accepted:
+            switch( dlg.exec() )
-        {
-            if(int id_edit = dbInstructors->editInstructor(dlg.getInstructor()))
             {
-                loadInstructorsFromDB();
+            case QDialog::Accepted:
-                setCurrentInstructor(id_edit);
+            {
+                Instructor instructor_edit = dlg.getInstructor();
+
+                if(int id_edit = dbInstructors->editInstructor(instructor_edit))
+                {//Отредактировано
+                    loadInstructorsFromDB();
+                    setCurrentInstructor(id_edit);
+                    return;
+                }
+                else
+                {
+                    dlg.setInstructor(instructor_edit);
+                    continue;
+                }
+
+                break;
+            }
+            case QDialog::Rejected:
+                return;
+                break;
+            default:
+                return;
+                break;
             }
-            else
-                QMessageBox::critical(this, tr("Editing error!"),
-                                      tr("An existing instructor name or login has been entered.\nThe changes will not be accepted."));
-            break;
-        }
-        case QDialog::Rejected:
-            break;
-        default:
-            break;
         }
     }
 }
@@ -148,7 +171,7 @@ void EditorInstructors::on_treeWidget_currentItemChanged(QTreeWidgetItem *curren
     if(treeItemParent == nullptr)
     {//Выбран инструктор
 
-        int id = current->text(0).toInt();
+        int id = current->text(ColumnsTreeInsructors::clmn_ID).toInt();
 
         if(dbInstructors->isArchived(id))
         {//Архивный
@@ -189,7 +212,7 @@ void EditorInstructors::setCurrentInstructor(int id)
     {
         QTreeWidgetItem * item = treeWidget->topLevelItem(i);
         if(item != nullptr)
-            if(item->text(0).toInt() == id)
+            if(item->text(ColumnsTreeInsructors::clmn_ID).toInt() == id)
             {
                 treeWidget->setCurrentItem(item);
                 break;

DB_IaT/InstructorsAndTrainees/instructors/instructorsview.cpp

@@ -2,9 +2,9 @@
 #include <QTranslator>
 #include "instructorsview.h"
 
-InstructorsView::InstructorsView(DataBaseInstructors* db, TypeView type, bool adminMode, QWidget *parent):
+InstructorsView::InstructorsView(DataBaseInstructors* dbInstructors, TypeView type, bool adminMode, QWidget *parent):
     CommonView(type, adminMode, parent),
-    dbInstructors(db)
+    dbInstructors(dbInstructors)
 {
 
 }
@@ -22,30 +22,39 @@ void InstructorsView::preparationTreeWidget(QTreeWidget* tree)
 
     treeWidget->header()->setStyleSheet(QStringLiteral("font-size: 10pt;"));
 
-    treeWidget->setColumnWidth(0, 50);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_ID, 50);
-    treeWidget->setColumnWidth(1, 250);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Instructor, 250);
-    treeWidget->setColumnWidth(2, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Login, 100);
-    treeWidget->setColumnWidth(3, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Password, 100);
-    treeWidget->setColumnWidth(4, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Administrator, 100);
-    treeWidget->setColumnWidth(5, 80);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Archived, 80);
-    treeWidget->setColumnWidth(6, 80);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Logged, 80);
 
     if(typeView == TypeView::onlyView)
     {//onlyView
-        treeWidget->setColumnHidden(2, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
-        treeWidget->setColumnHidden(3, true);
+        //treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Login, true);
-        treeWidget->setColumnHidden(5, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Password, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Archived, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Administrator, true);
     }
     else
     {//control
-        treeWidget->setColumnHidden(5, true);
+        if(adminMode)
+        {
+            archiveVisible = true;
+            notLoggedInVisible = true;
+        }
+        else
+        {
+            treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
+            treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Archived, true);
+        }
     }
 }
 
 void InstructorsView::loadInstructorsFromDB()
 {
-    dbInstructors->LoadInstructorsPSQL();
-
     if(treeWidget == nullptr)
         return;
 
@@ -59,43 +68,46 @@ void InstructorsView::loadInstructorsFromDB()
     {
         QTreeWidgetItem *ItemInstructor = new QTreeWidgetItem(treeWidget);
 
-        ItemInstructor->setText(0, QString::number(instructor.getID()));
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_ID, QString::number(instructor.getID()));
-        ItemInstructor->setText(1, instructor.getName());
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Instructor, instructor.getName());
-        ItemInstructor->setText(2, instructor.getLogin());
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Login, instructor.getLogin());
-        ItemInstructor->setText(3, instructor.getPassword());
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Password, instructor.getPassword());
+
+        //Сокрытие пароля
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Password, QStringLiteral("******"));
 
         if(instructor.getArchived())
         {//Архивный
-            ItemInstructor->setText(5, tr("yes"));
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Archived, tr("yes"));
-            ItemInstructor->setIcon(1, QIcon(QStringLiteral(":/icons/instructorArchive.png")));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/icons/instructorArchive.png")));
             setItemColorArchive(ItemInstructor);
         }
         else
         {//Не Архивный
-            ItemInstructor->setText(5, tr("no"));
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Archived, tr("no"));
-            ItemInstructor->setIcon(1, QIcon(QStringLiteral(":/icons/instructor.png")));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/icons/instructor.png")));
             setItemColorNoArchive(ItemInstructor);
         }
 
         if(instructor.getIsAdmin())
         {//Админ
-            ItemInstructor->setText(4, tr("yes"));
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Administrator, tr("yes"));
-            ItemInstructor->setIcon(1, QIcon(QStringLiteral(":/icons/admin.png")));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/icons/admin.png")));
         }
         else
         {//Не Админ
-            ItemInstructor->setText(4, tr("no"));
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Administrator, tr("no"));
         }
 
         if(instructor.getLoggedIn())
         {//Залогинен
-            ItemInstructor->setText(6, tr("yes"));
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Logged, tr("yes"));
-            ItemInstructor->setIcon(6, QIcon(QStringLiteral(":/icons/circleGreen.png")));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Logged, QIcon(QStringLiteral(":/icons/circleGreen.png")));
         }
         else
         {//Не Залогинен
-            ItemInstructor->setText(6, tr("no"));
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Logged, tr("no"));
-            ItemInstructor->setIcon(6, QIcon(QStringLiteral(":/icons/circleGray.png")));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Logged, QIcon(QStringLiteral(":/icons/circleGray.png")));
         }
 
         //Скрываем архивных (при необходимости)
@@ -110,7 +122,7 @@ void InstructorsView::loadInstructorsFromDB()
     }
 
     treeWidget->setSortingEnabled(true);
-    treeWidget->sortItems(1, Qt::SortOrder::AscendingOrder);
+    treeWidget->sortItems(ColumnsTreeInsructors::clmn_Instructor, Qt::SortOrder::AscendingOrder);
     treeWidget->expandAll();
 
     if(typeView == TypeView::control)
@@ -123,7 +135,7 @@ void InstructorsView::loadInstructorsFromDB()
 
 void InstructorsView::reSetHeadTreeWidget()
 {
-    QStringList listHeaders = {tr("ID"), tr("Instructor"), tr("Login"), tr("Password"), tr("Administrator"), tr("Archived"), tr("Logged")};
+    QStringList listHeaders = {tr("Instructor"), tr("Login"), tr("Password"), tr("Administrator"), tr("Archived"), tr("Logged"), tr("ID")};
     treeWidget->setHeaderLabels(listHeaders);
 }
 

DB_IaT/InstructorsAndTrainees/instructors/instructorsview.h

@@ -12,7 +12,18 @@ class InstructorsView: public CommonView
     Q_OBJECT
 
 public:
-    InstructorsView(DataBaseInstructors* db, TypeView type, bool adminMode, QWidget *parent = nullptr);
+    InstructorsView(DataBaseInstructors* dbInstructors, TypeView type, bool adminMode, QWidget *parent = nullptr);
+
+protected:
+    enum ColumnsTreeInsructors{
+        clmn_Instructor = 0,
+        clmn_Login,
+        clmn_Password,
+        clmn_Administrator,
+        clmn_Archived,
+        clmn_Logged,
+        clmn_ID
+    };
 
 protected:
     void preparationTreeWidget(QTreeWidget* tree);

DB_IaT/InstructorsAndTrainees/instructors/viewerinstructors.cpp

@@ -66,7 +66,7 @@ void ViewerInstructors::on_btnEditorInstructors_clicked()
     QHBoxLayout *layout = new QHBoxLayout(dialog);
     layout->addWidget(&editorInstructors);
     dialog->setWindowTitle(tr("Editor of instructors"));
-    dialog->setMinimumSize(1400, 800);
+    dialog->setMinimumSize(1600, 800);
     dialog->exec();
 
     loadInstructorsFromDB();

DB_IaT/InstructorsAndTrainees/instructorsandtraineeswidget.cpp

@@ -7,7 +7,7 @@ InstructorsAndTraineesWidget::InstructorsAndTraineesWidget(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::InstructorsAndTraineesWidget),
     adminMode(false),
-    loginInstructorLoggedIn(QStringLiteral(""))
+    loginInstructorLoggedInLocal(QStringLiteral(""))
 {
     ui->setupUi(this);
 
@@ -25,13 +25,13 @@ InstructorsAndTraineesWidget::InstructorsAndTraineesWidget(QWidget *parent) :
     ui->verticalLayout->addWidget(m_viewerTrainees);
     ui->verticalLayout->addWidget(m_viewerInstructors);
 
-    m_viewerTrainees->setMinimumSize(1400, 700);
+    m_viewerTrainees->setMinimumSize(1600, 700);
-    m_viewerInstructors->setMinimumSize(1400, 400);
+    m_viewerInstructors->setMinimumSize(1600, 400);
 }
 
 InstructorsAndTraineesWidget::~InstructorsAndTraineesWidget()
 {
-    deAuthorizationInstructor(loginInstructorLoggedIn);
+    deAuthorizationInstructor(loginInstructorLoggedInLocal);
 
     delete m_viewerInstructors;
     delete m_viewerTrainees;
@@ -57,7 +57,7 @@ bool InstructorsAndTraineesWidget::authorizationInstructorLocal(QWidget* parent)
 
             if(dataBaseInstructors->AuthorizationInstructor(login, password))
             {
-                loginInstructorLoggedIn = login;
+                loginInstructorLoggedInLocal = login;
 
                 if(login == QStringLiteral("admin"))
                     adminMode = true;
@@ -82,9 +82,9 @@ bool InstructorsAndTraineesWidget::authorizationInstructorLocal(QWidget* parent)
     return false;
 }
 
-bool InstructorsAndTraineesWidget::authorizationCompleted()
+bool InstructorsAndTraineesWidget::authorizationIsCompleted()
 {
-    if(loginInstructorLoggedIn == QStringLiteral(""))
+    if(loginInstructorLoggedInLocal == QStringLiteral(""))
         return false;
     else
         return true;

DB_IaT/InstructorsAndTrainees/instructorsandtraineeswidget.h

@@ -7,6 +7,7 @@
 #include "databaseinstructors.h"
 #include "viewertrainees.h"
 #include "viewerinstructors.h"
+#include "interfacedatabaselms.h"
 
 namespace Ui {
 class InstructorsAndTraineesWidget;
@@ -23,7 +24,7 @@ public:
 public:
     //Авторизация инструктора локальная
     bool authorizationInstructorLocal(QWidget* parent = nullptr);
-    bool authorizationCompleted();
+    bool authorizationIsCompleted();
 
     //Авторизация обучаемого на клиенте
     bool authorizationTrainee(QString login, QString password, QString classroom_name = QStringLiteral(""), QString computer_name = QStringLiteral(""));
@@ -45,7 +46,7 @@ private:
     ViewerInstructors* m_viewerInstructors;
 
     bool adminMode;
-    QString loginInstructorLoggedIn;
+    QString loginInstructorLoggedInLocal;
 };
 
 #endif // INSTRUCTORSANDTRAINEESWIDGET_H

DB_IaT/InstructorsAndTrainees/tasks/taskswidget.cpp

@@ -27,12 +27,15 @@ void TasksWidget::slot_LanguageChanged(QString language)
 
 void TasksWidget::viewListTasksForTrainee(QString login)
 {
-    QStringList listTasks;
+    /*
+    QList<QString> listTasks;
+    QStringList strListTasks;
 
     listTasks = pDbTrainees->getTasks(login);
 
     ui->listWidgetTasks->clear();
     ui->listWidgetTasks->addItems(listTasks);
+    */
 }
 
 void TasksWidget::changeEvent(QEvent *event)

DB_IaT/InstructorsAndTrainees/trainees/databasetrainees.cpp

@@ -2,23 +2,10 @@
 #include <QApplication>
 #include <QMessageBox>
 
-DataBaseTrainees::DataBaseTrainees(DataBaseLMS* dbLMS)
+DataBaseTrainees::DataBaseTrainees(DataBaseLMS* dbLMS):
+    adminMode(false)
 {
-    listOfColorGroup.append(QColor(170, 190, 170));
-    listOfColorGroup.append(QColor(180, 180, 220));
-    listOfColorGroup.append(QColor(240, 220, 230));
-    listOfColorGroup.append(QColor(85, 170, 127));
-    listOfColorGroup.append(QColor(170, 115, 120));
-    listOfColorGroup.append(QColor(110, 160, 170));
-    listOfColorGroup.append(QColor(110, 170, 130));
-    listOfColorGroup.append(QColor(170, 170, 120));
-    listOfColorGroup.append(QColor(160, 170, 45));
-    listOfColorGroup.append(QColor(170, 140, 60));
-    listOfColorGroup.append(QColor(200, 200, 200));
-
     this->dbLMS = dbLMS;
-
-    LoadTraineesGroupsPSQL();
 }
 
 DataBaseTrainees::~DataBaseTrainees()
@@ -26,430 +13,181 @@ DataBaseTrainees::~DataBaseTrainees()
 
 }
 
-void DataBaseTrainees::LoadTraineesGroupsPSQL()
+void DataBaseTrainees::transactionBegin()
 {
-    listOfTrainees.clear();
+    dbLMS->transactionBegin();
-    listOfGroups.clear();
+}
 
-    listOfTrainees = dbLMS->selectAllTrainees();
+void DataBaseTrainees::transactionEnd()
-    listOfGroups = dbLMS->selectAllGroups();
+{
-
+    dbLMS->transactionEnd();
-    QApplication::beep();
 }
 
 bool DataBaseTrainees::AuthorizationTrainee(QString login, QString password, QString classroom_name, QString computer_name)
 {
-    //Обучаемые
+    if(! dbLMS->transactionBegin())
-    for(int i = 0; i < listOfTrainees.count(); i++)
+        return false;
+
+    if(int id = dbLMS->selectTraineeID(login, password))
     {
-        if(listOfTrainees[i].getArchived())
+        if(dbLMS->updateTraineeLoggedIn(id, true))
-            continue;
+            return dbLMS->transactionEnd();
-
-        if(listOfTrainees[i].getLogin() == login && listOfTrainees[i].getPassword() == password)
-        {
-            Trainee trainee = listOfTrainees[i];
-            trainee.setLoggedIn(true);
-            //trainee.setLearnClass(learnClass);
-            //trainee.setComputer(computer);
-
-            int id = dbLMS->updateTrainee(trainee);
-
-            if(id)
-            {
-                LoadTraineesGroupsPSQL();
-                return true;
-            }
-            else
-                return false;
-        }
     }
+
+    dbLMS->transactionEnd();
     return false;
 }
 
 bool DataBaseTrainees::deAuthorizationTrainee(QString login)
 {
-    //Обучаемые
+    if(! dbLMS->transactionBegin())
-    for(int i = 0; i < listOfTrainees.count(); i++)
+        return false;
+
+    if(int id = dbLMS->selectTraineeID(login))
     {
-        if(listOfTrainees[i].getArchived())
+        if(dbLMS->updateTraineeLoggedIn(id, false))
-            continue;
+            return dbLMS->transactionEnd();
-
-        if(listOfTrainees[i].getLogin() == login)
-        {
-            Trainee trainee = listOfTrainees[i];
-            trainee.setLoggedIn(false);
-            //trainee.setLearnClass(QStringLiteral(""));
-            //trainee.setComputer(QStringLiteral(""));
-
-            int id = dbLMS->updateTrainee(trainee);
-
-            if(id)
-            {
-                LoadTraineesGroupsPSQL();
-                return true;
-            }
-            else
-                return false;
-        }
     }
+
+    dbLMS->transactionEnd();
     return false;
 }
 
-/*
+QList<Task> DataBaseTrainees::getTasks(int id)
-void DataBaseTrainees::setTasks(QString login, QStringList tasks)
 {
-    //Обучаемые
+    return dbLMS->selectTasksOfTrainee(id);
-    for(int i = 0; i < listOfTrainees.count(); i++)
-    {
-        if(listOfTrainees[i].getLogin() == login)
-            listOfTrainees[i].setTasks(tasks);
-    }
-}*/
-
-QStringList DataBaseTrainees::getTasks(QString login)
-{
-    QStringList tasksStrList;
-
-    //Обучаемые
-    for(int i = 0; i < listOfTrainees.count(); i++)
-    {
-        if(listOfTrainees[i].getLogin() == login)
-        {
-            QList<Task> tasks = listOfTrainees[i].getTasks();
-            for(Task task: tasks)
-            {
-                tasksStrList.append(task.getName());
-            }
-        }
-    }
-
-    return tasksStrList;
 }
 
 QString DataBaseTrainees::getNameTraineeOnComputer(QString computer_name)
 {
+    /*
     for(Trainee trainee : listOfTrainees)
     {
         if(trainee.getComputer().getName() == computer_name)
             return trainee.getName();
-    }
+    }*/
     return QString(QStringLiteral(""));
 }
 
 Trainee DataBaseTrainees::getTraineeOnComputer(QString computer_name)
 {
+    /*
     for(Trainee trainee : listOfTrainees)
     {
         if(trainee.getComputer().getName() == computer_name)
             return trainee;
-    }
+    }*/
     return Trainee();
 }
 
 QString DataBaseTrainees::getNameTraineeByLogin(QString login)
 {
+    /*
     for(Trainee trainee : listOfTrainees)
     {
         if(trainee.getLogin() == login)
             return trainee.getName();
-    }
+    }*/
     return QString(QStringLiteral(""));
 }
-/*
-QColor DataBaseTrainees::getColorGroupByLogin(QString login)
-{
-    QString nameTrainee = getNameTraineeByLogin(login);
-    Trainee trainee = getTrainee(nameTrainee);
-    QString nameGroup = trainee.getGroup();
-    Group group = getGroup(nameGroup);
-    return getColorGroup(group.getColor());
-}*/
 
 QList<Trainee> DataBaseTrainees::getListTraineesInGroup(int id)
 {
     QList<Trainee> listTrainees;
 
+    /*
     for(Trainee trainee : listOfTrainees)
     {
         if(trainee.getGroup().getID() == id)
             listTrainees.append(trainee);
     }
+    */
 
     return listTrainees;
 }
 
 QList<Group> DataBaseTrainees::getListGroups()
 {
-    return listOfGroups;
+    return dbLMS->selectAllGroups();
 }
-/*
-QColor DataBaseTrainees::getColorGroup(Group::ColorGroup numColor)
-{
-    if(numColor > listOfColorGroup.count() - 1)
-        return listOfColorGroup.at(Group::ColorGroup::colorAther);
 
-    return listOfColorGroup.at(numColor);
+QList<Trainee> DataBaseTrainees::getListTrainees()
-}*/
+{
+    return dbLMS->selectAllTrainees();
+}
 
 Trainee DataBaseTrainees::getTrainee(int id)
 {
-    //Обучаемые
+    return dbLMS->selectTrainee(id);
-    for(int i = 0; i < listOfTrainees.count(); i++)
-    {
-        if(listOfTrainees[i].getID() == id)
-            return listOfTrainees[i];
-    }
-    return Trainee();
 }
 
 Group DataBaseTrainees::getGroup(int id)
 {
-    //Группы
+    return dbLMS->selectGroup(id);
-    for(int i = 0; i < listOfGroups.count(); i++)
-    {
-        if(listOfGroups[i].getID() == id)
-            return listOfGroups[i];
-    }
-    return Group();
 }
 
 int DataBaseTrainees::newGroup()
 {
-    Group group;
+    return dbLMS->insertGroup();
-    group.setName(generateDefaultNameGroup());
-
-    int id = dbLMS->insertGroup(group);
-
-    if(id)
-    {
-        LoadTraineesGroupsPSQL();
-        return id;
-    }
-    else
-        return 0;
 }
 
 int DataBaseTrainees::deleteGroup(int id)
 {
-    //Группы
+    return dbLMS->deleteGroup(id);
-    for(int i = 0; i < listOfGroups.count(); i++)
-    {
-        if(listOfGroups[i].getID() == id)
-        {            
-            int id_del = dbLMS->deleteGroup(id);
-
-            if(id_del)
-            {
-                LoadTraineesGroupsPSQL();
-                return id_del;
-            }
-            else
-                return 0;
-        }
-    }
-    return 0;
 }
 
 int DataBaseTrainees::editGroup(Group group)
 {
-    //Группы
+    //Проверка дублирования имени
-    for(int i = 0; i < listOfGroups.count(); i++)
+    QList<Group> listGroups = dbLMS->selectAllGroups();
+    for(Group exist_group : listGroups)
     {
-        if(listOfGroups[i].getID() == group.getID())
+        if(group.getName() == exist_group.getName() && group.getID() != exist_group.getID())
-        {
+        {//Имя уже существует
-            if(!checkExistNameGroup(group.getName()) || group.getName() == listOfGroups[i].getName())
+            QMessageBox::critical(nullptr, tr("Editing error!"),
-            {
+                                  tr("An existing group name has been entered."));
-                int id = dbLMS->updateGroup(group);
+            return 0;
-
-                if(id)
-                {
-                    LoadTraineesGroupsPSQL();
-                    return id;
-                }
-                else
-                    return 0;
-            }
-            else
-            {
-                QMessageBox::critical(nullptr, tr("Editing error!"),
-                                      tr("An existing group name has been entered.\nThe changes will not be accepted."));
-                return 0;
-            }
         }
     }
-    return 0;
+
+    return dbLMS->updateGroup(group);
 }
 
 int DataBaseTrainees::newTrainee(int id_group)
 {
-    Trainee trainee;
+    return dbLMS->insertTrainee(id_group);
-    Group group;
-    group.setID(id_group);
-    trainee.setGroup(group);
-    trainee.setName(generateDefaultNameTrainee());
-    trainee.setLogin(generateDefaultLoginTrainee());
-    trainee.setPassword(QStringLiteral("<password>"));
-    trainee.setArchived(false);
-    trainee.setLoggedIn(false);
-
-    int id = dbLMS->insertTrainee(trainee);
-
-    if(id)
-    {
-        LoadTraineesGroupsPSQL();
-        return id;
-    }
-    else
-        return 0;
 }
 
 int DataBaseTrainees::deleteTrainee(int id)
 {
-    //Обучаемые
+    return dbLMS->deleteTrainee(id);
-    for(int i = 0; i < listOfTrainees.count(); i++)
-    {
-        if(listOfTrainees[i].getID() == id)
-        {
-            int id_del = dbLMS->deleteTrainee(id);
-
-            if(id_del)
-            {
-                LoadTraineesGroupsPSQL();
-                return id_del;
-            }
-
-            return 0;
-        }
-    }
-    return 0;
 }
 
 int DataBaseTrainees::editTrainee(Trainee trainee)
 {
-    //Обучаемые
+    //Проверка дублирования логина и имени
-    for(int i = 0; i < listOfTrainees.count(); i++)
+    QList<Trainee> listTrainees = dbLMS->selectAllTrainees();
+    for(Trainee exist_trainee : listTrainees)
     {
-        if(listOfTrainees[i].getID() == trainee.getID())
+        if(trainee.getLogin() == exist_trainee.getLogin() && trainee.getID() != exist_trainee.getID())
-        {
+        {//Логин уже существует!
-            if( (!checkExistNameTrainee(trainee.getName()) || trainee.getName() == listOfTrainees[i].getName()) &&
+            QMessageBox::critical(nullptr, tr("Editing error!"),
-                 (!checkExistLoginTrainee(trainee.getLogin()) || trainee.getLogin() == listOfTrainees[i].getLogin()) )
+                                  tr("An existing trainee login has been entered.\nThe changes will not be accepted."));
-            {
+            return 0;
-                int id = dbLMS->updateTrainee(trainee);
+        }
 
-                if(id)
+        if(trainee.getName() == exist_trainee.getName() && trainee.getID() != exist_trainee.getID())
-                {
+        {//Имя уже существует
-                    LoadTraineesGroupsPSQL();
+            QMessageBox::warning(nullptr, tr("Editing warning!"),
-                    return id;
+                                  tr("An existing trainee name has been entered."));
-                }
+            //return 0;
-                else
-                    return 0;
-            }
-            else
-            {
-                QMessageBox::critical(nullptr, tr("Editing error!"),
-                                      tr("An existing trainee's name or login has been entered.\nThe changes will not be accepted."));
-                return 0;
-            }
         }
     }
-    return 0;
+
+    return dbLMS->updateTrainee(trainee);
 }
 
 bool DataBaseTrainees::isArchived(int id)
 {
-    //Обучаемые
+    return dbLMS->selectTraineeArchived(id);
-    for(int i = 0; i < listOfTrainees.count(); i++)
-    {
-        if(listOfTrainees[i].getID()== id)
-            return listOfTrainees[i].getArchived();
-    }
-    return false;
 }
-
-QString DataBaseTrainees::generateDefaultNameGroup()
-{
-    int numGroup = 0;
-    QString name;
-    do
-    {
-        name = tr("Group") + QStringLiteral(" ") + QString::number(++numGroup);
-    }while(checkExistNameGroup(name));
-    return name;
-}
-
-QString DataBaseTrainees::generateDefaultNameTrainee()
-{
-    int numTrainee = 0;
-    QString name;
-    do
-    {
-        name = QStringLiteral("<") + tr("Trainee") + QStringLiteral(" ") + QString::number(++numTrainee) + QStringLiteral(">");
-    }while(checkExistNameTrainee(name));
-    return name;
-}
-
-bool DataBaseTrainees::checkExistNameGroup(QString name)
-{
-    //Группы
-    for(int i = 0; i < listOfGroups.count(); i++)
-    {
-        if(listOfGroups[i].getName() == name)
-            return true;
-    }
-    return false;
-}
-
-bool DataBaseTrainees::checkExistNameTrainee(QString name)
-{
-    //Обучаемые
-    for(int i = 0; i < listOfTrainees.count(); i++)
-    {
-        if(listOfTrainees[i].getName() == name)
-            return true;
-    }
-    return false;
-}
-
-QString DataBaseTrainees::generateDefaultLoginTrainee()
-{
-    int numTrainee = 0;
-    QString login;
-    do
-    {
-        login = QStringLiteral("<O") + QString::number(++numTrainee) + QStringLiteral(">");
-    }while(checkExistLoginTrainee(login));
-    return login;
-}
-
-bool DataBaseTrainees::checkExistLoginTrainee(QString login)
-{
-    //Обучаемые
-    for(int i = 0; i < listOfTrainees.count(); i++)
-    {
-        if(listOfTrainees[i].getLogin() == login)
-            return true;
-    }
-    return false;
-}
-/*
-Group::ColorGroup DataBaseTrainees::generateDefaultColorGroup()
-{
-    for(int i = 0; i < Group::ColorGroup::countColor; i++)
-    {
-        Group::ColorGroup color = (Group::ColorGroup)i;
-        if(!checkExistColorGroup(color))
-            return color;
-    }
-    return Group::ColorGroup::colorAther;
-}*/
-/*
-bool DataBaseTrainees::checkExistColorGroup(Group::ColorGroup color)
-{
-    //Группы
-    for(int i = 0; i < listOfGroups.count(); i++)
-    {
-        if(listOfGroups[i].getColor() == color)
-            return true;
-    }
-    return false;
-}*/

DB_IaT/InstructorsAndTrainees/trainees/databasetrainees.h

@@ -19,25 +19,28 @@ public:
     DataBaseTrainees(DataBaseLMS* dbLMS);
     ~DataBaseTrainees();
 
-    void LoadTraineesGroupsPSQL();
+    //void LoadTraineesGroupsPSQL();
+
+    void transactionBegin();
+    void transactionEnd();
 
     bool AuthorizationTrainee(QString login, QString password, QString classroom_name, QString computer_name);
     bool deAuthorizationTrainee(QString login);
 
     //void setTasks(QString login, QStringList tasks);
-    QStringList getTasks(QString login);
+    QList<Task> getTasks(int id);
 
     QString getNameTraineeOnComputer(QString computer_name);
     Trainee getTraineeOnComputer(QString computer_name);
 
     QString getNameTraineeByLogin(QString login);
-    //QColor getColorGroupByLogin(QString login);
 
     QList<Trainee> getListTraineesInGroup(int id);
     QList<Group> getListGroups();
+    QList<Trainee> getListTrainees();
 
-    Trainee getTrainee(int id);
+    Trainee getTrainee(int trainee_id);
-    Group getGroup(int id);
+    Group getGroup(int group_id);
 
     int newGroup();
     int deleteGroup(int id);
@@ -50,20 +53,7 @@ public:
     bool isArchived(int id);
 
 private:
-    QString generateDefaultNameGroup();
+    bool adminMode;
-    QString generateDefaultNameTrainee();
-    bool checkExistNameGroup(QString name);
-    bool checkExistNameTrainee(QString name);
-
-    QString generateDefaultLoginTrainee();
-    bool checkExistLoginTrainee(QString login);
-
-private:
-    QList<Trainee> listOfTrainees;
-    QList<Group> listOfGroups;
-
-    QList<QColor> listOfColorGroup;
-
     DataBaseLMS* dbLMS;
 };
 

DB_IaT/InstructorsAndTrainees/trainees/editortrainees.cpp

@@ -13,6 +13,9 @@ EditorTrainees::EditorTrainees(DataBaseTrainees* db, bool adminMode, QWidget *pa
     preparationTreeWidget(ui->treeWidget);
     setNotLoggedInVisible(true);
     loadTraineesFromDB();
+
+    if(adminMode)
+        ui->btnArchive->click();
 }
 
 EditorTrainees::~EditorTrainees()
@@ -22,9 +25,11 @@ EditorTrainees::~EditorTrainees()
 
 void EditorTrainees::on_btnNewGroup_clicked()
 {
-    int id = dbTrainees->newGroup();
+    if(int id = dbTrainees->newGroup())
-    loadTraineesFromDB();
+    {
-    setCurrentGroup(id);
+        loadTraineesFromDB();
+        setCurrentGroup(id);
+    }
 }
 
 void EditorTrainees::on_btnDeleteGroup_clicked()
@@ -36,7 +41,7 @@ void EditorTrainees::on_btnDeleteGroup_clicked()
         QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
         if(treeItemParent == nullptr)
         {//Выбрана группа
-            int id_group = treeItemCurrent->text(0).toInt();
+            int id_group = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
 
             if(dbTrainees->getListTraineesInGroup(id_group).count() > 0)
             {
@@ -67,7 +72,7 @@ void EditorTrainees::on_btnNewTrainee_clicked()
         QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
         if(treeItemParent == nullptr)
         {//Выбрана группа. Можно добавить Обучаемого
-            int id_group = treeItemCurrent->text(0).toInt();
+            int id_group = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
             if(int id = dbTrainees->newTrainee(id_group))
             {
                 loadTraineesFromDB();
@@ -91,8 +96,8 @@ void EditorTrainees::on_btnDeleteTrainee_clicked()
         if(treeItemParent != nullptr)
         {//Выбран обучаемый
 
-            int id_trainee = treeItemCurrent->text(0).toInt();
+            int id_trainee = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
-            int id_group = treeItemParent->text(0).toInt();
+            int id_group = treeItemParent->text(ColumnsTreeTrainees::clmn_ID).toInt();
 
             if(QMessageBox::warning(this, tr("Attention!"), tr("The deletion will be irrevocable.\nDelete anyway?"), QMessageBox::Ok, QMessageBox::Cancel) == QMessageBox::Ok)
             {
@@ -120,9 +125,11 @@ void EditorTrainees::on_btnToOrFromArchiveTrainee_clicked()
         if(treeItemParent != nullptr)
         {//Выбран обучаемый
 
-            int id_trainee = treeItemCurrent->text(0).toInt();
+            int id_trainee = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
 
             Trainee trainee = dbTrainees->getTrainee(id_trainee);
+            if(trainee.getID() == 0)
+                return;
 
             if(trainee.getArchived())
             {//Архивный
@@ -168,61 +175,89 @@ void EditorTrainees::on_btnEdit_clicked()
     if(treeItemParent == nullptr)
     {//Выбрана группа
 
-        int id_group = treeItemCurrent->text(0).toInt();
+        int id_group = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
 
         DialogEditGroup dlg(this);
-        dlg.setGroup(dbTrainees->getGroup(id_group));
 
-        switch( dlg.exec() )
+        Group group = dbTrainees->getGroup(id_group);
+        if(group.getID() == 0)
+            return;
+
+        dlg.setGroup(group);
+
+        while (true)
         {
-        case QDialog::Accepted:
+            switch( dlg.exec() )
-        {
-            if(int id = dbTrainees->editGroup(dlg.getGroup()))
-            {//Отредактировано
-                loadTraineesFromDB();
-                setCurrentGroup(id);
-            }
-            else
             {
-                //Ошибка редактирования
+            case QDialog::Accepted:
-            }
+            {
+                Group group_edit = dlg.getGroup();
 
-            break;
+                if(int id = dbTrainees->editGroup(group_edit))
-        }
+                {//Отредактировано
-        case QDialog::Rejected:
+                    loadTraineesFromDB();
-            break;
+                    setCurrentGroup(id);
-        default:
+                    return;
-            break;
+                }
+                else
+                {
+                    dlg.setGroup(group_edit);
+                    continue;
+                }
+
+                break;
+            }
+            case QDialog::Rejected:
+                return;
+                break;
+            default:
+                return;
+                break;
+            }
         }
     }
     else
     {//Выбран обучаемый
 
-        int id_trainee = treeItemCurrent->text(0).toInt();
+        int id_trainee = treeItemCurrent->text(ColumnsTreeTrainees::clmn_ID).toInt();
 
         DialogEditTrainee dlg(this);
-        dlg.setTrainee(dbTrainees->getTrainee(id_trainee));
 
-        switch( dlg.exec() )
+        Trainee trainee = dbTrainees->getTrainee(id_trainee);
+        if(trainee.getID() == 0)
+            return;
+
+        dlg.setTrainee(trainee);
+
+        while (true)
         {
-        case QDialog::Accepted:
+            switch( dlg.exec() )
             {
-                if(int id = dbTrainees->editTrainee(dlg.getTrainee()))
+            case QDialog::Accepted:
-                {//Отредактировано
-                    loadTraineesFromDB();
-                    setCurrentTrainee(id);
-                }
-                else
                 {
-                    //Ошибка редактирования
+                    Trainee trainee_edit = dlg.getTrainee();
-                }
 
+                    if(int id = dbTrainees->editTrainee(trainee_edit))
+                    {//Отредактировано
+                        loadTraineesFromDB();
+                        setCurrentTrainee(id);
+                        return;
+                    }
+                    else
+                    {
+                        dlg.setTrainee(trainee_edit);
+                        continue;
+                    }
+
+                    break;
+                }
+            case QDialog::Rejected:
+                return;
+                break;
+            default:
+                return;
                 break;
             }
-        case QDialog::Rejected:
-            break;
-        default:
-            break;
         }
     }
 }
@@ -244,7 +279,7 @@ void EditorTrainees::on_treeWidget_currentItemChanged(QTreeWidgetItem *current,
     QTreeWidgetItem *treeItemParent = current->parent();
     if(treeItemParent == nullptr)
     {//Выбрана группа
-        int id_group = current->text(0).toInt();
+        int id_group = current->text(ColumnsTreeTrainees::clmn_ID).toInt();
 
         if(adminMode)
         {
@@ -276,7 +311,7 @@ void EditorTrainees::on_treeWidget_currentItemChanged(QTreeWidgetItem *current,
     }
     else
     {//Выбран обучаемый
-        int id_trainee = current->text(0).toInt();
+        int id_trainee = current->text(ColumnsTreeTrainees::clmn_ID).toInt();
 
         ui->btnNewGroup->setEnabled(false);
         ui->btnDeleteGroup->setEnabled(false);
@@ -310,7 +345,7 @@ void EditorTrainees::setCurrentGroup(int id)
     {
         QTreeWidgetItem * item = treeWidget->topLevelItem(i);
         if(item != nullptr)
-            if(item->text(0).toInt() == id)
+            if(item->text(ColumnsTreeTrainees::clmn_ID).toInt() == id)
             {
                 treeWidget->setCurrentItem(item);
                 break;
@@ -329,7 +364,7 @@ void EditorTrainees::setCurrentTrainee(int id)
             {
                 QTreeWidgetItem * itemChild = item->child(j);
                 if(itemChild != nullptr)
-                    if(itemChild->text(0).toInt() == id)
+                    if(itemChild->text(ColumnsTreeTrainees::clmn_ID).toInt() == id)
                     {
                         treeWidget->setCurrentItem(itemChild);
                         break;

DB_IaT/InstructorsAndTrainees/trainees/traineesview.cpp

@@ -1,9 +1,9 @@
 #include <QHeaderView>
 #include "traineesview.h"
 
-TraineesView::TraineesView(DataBaseTrainees* db, TypeView type, bool adminMode, QWidget *parent):
+TraineesView::TraineesView(DataBaseTrainees* dbTrainees, TypeView type, bool adminMode, QWidget *parent):
     CommonView(type, adminMode, parent),
-    dbTrainees(db)
+    dbTrainees(dbTrainees)
 {
 
 }
@@ -21,32 +21,52 @@ void TraineesView::preparationTreeWidget(QTreeWidget *tree)
 
     treeWidget->header()->setStyleSheet(QStringLiteral("font-size: 10pt;"));
 
-    treeWidget->setColumnWidth(0, 80);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_ID, 80);
-    treeWidget->setColumnWidth(1, 250);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Trainee, 250);
-    treeWidget->setColumnWidth(2, 100);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Login, 100);
-    treeWidget->setColumnWidth(3, 100);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Password, 100);
-    treeWidget->setColumnWidth(4, 130);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Class, 130);
-    treeWidget->setColumnWidth(5, 130);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Computer, 130);
-    treeWidget->setColumnWidth(6, 130);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_IP_address, 130);
-    treeWidget->setColumnWidth(7, 80);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Archived, 80);
-    treeWidget->setColumnWidth(8, 80);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Logged, 80);
-    treeWidget->setColumnWidth(9, 100);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Tasks, 200);
+
 
     if(typeView == TypeView::onlyView)
     {//onlyView
-        treeWidget->setColumnHidden(2, true);
+        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_ID, true);
-        treeWidget->setColumnHidden(3, true);
+        //treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Login, true);
-        treeWidget->setColumnHidden(7, true);
+        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Password, true);
+        treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Archived, true);
+
+        archiveVisible = false;
+        notLoggedInVisible = true;
     }
     else
     {//control
-        treeWidget->setColumnHidden(7, true);
+        if(adminMode)
+        {
+            archiveVisible = true;
+            notLoggedInVisible = true;
+        }
+        else
+        {
+            treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_ID, true);
+            treeWidget->setColumnHidden(ColumnsTreeTrainees::clmn_Archived, true);
+        }
     }
+
 }
 
 void TraineesView::loadTraineesFromDB()
 {
-    dbTrainees->LoadTraineesGroupsPSQL();
+    QList <Group> listGroups;
+    QList <Trainee> listTrainees;
+    dbTrainees->transactionBegin();
+    listGroups = dbTrainees->getListGroups();
+    listTrainees = dbTrainees->getListTrainees();
+    dbTrainees->transactionEnd();
 
     if(treeWidget == nullptr)
         return;
@@ -54,52 +74,56 @@ void TraineesView::loadTraineesFromDB()
     //Обновление дерева
     treeWidget->clear();
 
-    for(Group group : dbTrainees->getListGroups())
+    for(Group group : listGroups)
     {
         //Группа
         QTreeWidgetItem *ItemGroup = new QTreeWidgetItem(treeWidget);
-        ItemGroup->setText(0, QString::number(group.getID()));
+        ItemGroup->setText(ColumnsTreeTrainees::clmn_ID, QString::number(group.getID()));
-        ItemGroup->setText(1, group.getName());
+        ItemGroup->setText(ColumnsTreeTrainees::clmn_Trainee, group.getName());
-        ItemGroup->setIcon(1, QIcon(QStringLiteral(":/icons/group.png")));
+        ItemGroup->setIcon(ColumnsTreeTrainees::clmn_Trainee, QIcon(QStringLiteral(":/icons/group.png")));
         setItemColor(ItemGroup, QColor(170, 190, 170));
 
         //Обучаемые
-        QList<Trainee> listTrainees;
-        listTrainees = dbTrainees->getListTraineesInGroup(group.getID());
         for(Trainee trainee : listTrainees)
         {
+            if(trainee.getGroup().getID() != group.getID())
+                continue;
+
             QTreeWidgetItem *ItemTrainee = new QTreeWidgetItem();
 
-            ItemTrainee->setText(0, QString::number(trainee.getID()));
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_ID, QString::number(trainee.getID()));
-            ItemTrainee->setText(1, trainee.getName());
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Trainee, trainee.getName());
-            ItemTrainee->setText(2, trainee.getLogin());
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Login, trainee.getLogin());
-            ItemTrainee->setText(3, trainee.getPassword());
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Password, trainee.getPassword());
-            ItemTrainee->setText(4, trainee.getComputer().getClassroom().getName());
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Class, trainee.getComputer().getClassroom().getName());
-            ItemTrainee->setText(5, trainee.getComputer().getName());
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Computer, trainee.getComputer().getName());
-            ItemTrainee->setText(6, trainee.getComputer().getIpAddress());
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_IP_address, trainee.getComputer().getIpAddress());
+
+            //Сокрытие пароля
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Password, QStringLiteral("******"));
 
             if(trainee.getArchived())
             {//Архивный
-                ItemTrainee->setText(7, tr("yes"));
+                ItemTrainee->setText(ColumnsTreeTrainees::clmn_Archived, tr("yes"));
-                ItemTrainee->setIcon(1, QIcon(QStringLiteral(":/icons/traineeArchive.png")));
+                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Trainee, QIcon(QStringLiteral(":/icons/traineeArchive.png")));
                 setItemColorArchive(ItemTrainee);
             }
             else
             {//Не Архивный
-                ItemTrainee->setText(7, tr("no"));
+                ItemTrainee->setText(ColumnsTreeTrainees::clmn_Archived, tr("no"));
-                ItemTrainee->setIcon(1, QIcon(QStringLiteral(":/icons/trainee.png")));
+                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Trainee, QIcon(QStringLiteral(":/icons/trainee.png")));
                 setItemColorNoArchive(ItemTrainee);
             }
 
             if(trainee.getLoggedIn())
             {//Залогинен
-                ItemTrainee->setText(8, tr("yes"));
+                ItemTrainee->setText(ColumnsTreeTrainees::clmn_Logged, tr("yes"));
-                ItemTrainee->setIcon(8, QIcon(QStringLiteral(":/icons/circleGreen.png")));
+                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Logged, QIcon(QStringLiteral(":/icons/circleGreen.png")));
             }
             else
             {//Не Залогинен
-                ItemTrainee->setText(8, tr("no"));
+                ItemTrainee->setText(ColumnsTreeTrainees::clmn_Logged, tr("no"));
-                ItemTrainee->setIcon(8, QIcon(QStringLiteral(":/icons/circleGray.png")));
+                ItemTrainee->setIcon(ColumnsTreeTrainees::clmn_Logged, QIcon(QStringLiteral(":/icons/circleGray.png")));
             }
 
             QString tasksStr;
@@ -107,7 +131,7 @@ void TraineesView::loadTraineesFromDB()
             {
                 tasksStr += task.getName() + QStringLiteral("; ");
             }
-            ItemTrainee->setText(9, tasksStr);
+            ItemTrainee->setText(ColumnsTreeTrainees::clmn_Tasks, tasksStr);
 
             ItemGroup->addChild(ItemTrainee);
 
@@ -124,7 +148,7 @@ void TraineesView::loadTraineesFromDB()
     }
 
     treeWidget->setSortingEnabled(true);
-    treeWidget->sortItems(1, Qt::SortOrder::AscendingOrder);
+    treeWidget->sortItems(ColumnsTreeTrainees::clmn_Trainee, Qt::SortOrder::AscendingOrder);
     treeWidget->expandAll();
 
     if(typeView == TypeView::control)
@@ -137,6 +161,6 @@ void TraineesView::loadTraineesFromDB()
 
 void TraineesView::reSetHeadTreeWidget()
 {
-    QStringList listHeaders = {tr("ID"), tr("Trainee"), tr("Login"), tr("Password"), tr("Class"), tr("Computer"), tr("IP address"), tr("Archived"), tr("Logged"), tr("Tasks")};
+    QStringList listHeaders = {tr("Trainee"), tr("Login"), tr("Password"), tr("Class"), tr("Computer"), tr("IP address"), tr("Archived"), tr("Logged"), tr("Tasks"), tr("ID")};
     treeWidget->setHeaderLabels(listHeaders);
 }

DB_IaT/InstructorsAndTrainees/trainees/traineesview.h

@@ -12,7 +12,21 @@ class TraineesView: public CommonView
     Q_OBJECT
 
 public:
-    TraineesView(DataBaseTrainees* db, TypeView type, bool adminMode, QWidget *parent = nullptr);
+    TraineesView(DataBaseTrainees* dbTrainees, TypeView type, bool adminMode, QWidget *parent = nullptr);
+
+protected:
+    enum ColumnsTreeTrainees{        
+        clmn_Trainee = 0,
+        clmn_Login,
+        clmn_Password,
+        clmn_Class,
+        clmn_Computer,
+        clmn_IP_address,
+        clmn_Archived,
+        clmn_Logged,
+        clmn_Tasks,
+        clmn_ID
+    };
 
 protected:
     void preparationTreeWidget(QTreeWidget* tree);

DB_IaT/InstructorsAndTrainees/trainees/viewertrainees.cpp

@@ -34,7 +34,7 @@ void ViewerTrainees::on_treeWidget_itemClicked(QTreeWidgetItem *item, int column
 {
     if(item->childCount() == 0)
     {//Выбран обучаемый
-        QString login = item->text(2);
+        QString login = item->text(ColumnsTreeTrainees::clmn_Login);
         Q_EMIT signal_traineeSelected(login);
     }
 }
@@ -47,7 +47,7 @@ void ViewerTrainees::slot_tabMessengerChanged(QString login)
 
         for (int j = 0; j < countChild; j++)
         {//Проход по обучаемым
-            QString loginChild = ui->treeWidget->topLevelItem(i)->child(j)->text(2);
+            QString loginChild = ui->treeWidget->topLevelItem(i)->child(j)->text(ColumnsTreeTrainees::clmn_Login);
             if(loginChild == login)
             {
                 ui->treeWidget->setCurrentItem(ui->treeWidget->topLevelItem(i)->child(j));
@@ -83,7 +83,7 @@ void ViewerTrainees::on_btnEditorTrainees_clicked()
     QHBoxLayout *layout = new QHBoxLayout(dialog);
     layout->addWidget(&editorTraineesGroups);
     dialog->setWindowTitle(tr("Editor of trainees"));
-    dialog->setMinimumSize(1400, 800);
+    dialog->setMinimumSize(1600, 800);
     dialog->exec();
 
     loadTraineesFromDB();

DB_LMS/DataBaseLMS/CMakeLists.txt

@@ -16,6 +16,8 @@ add_library(DataBaseLMS SHARED
   DataBaseLMS_global.h
   databaselms.cpp
   databaselms.h
+  interfacedatabaselms.cpp
+  interfacedatabaselms.h
   basicentity.cpp
   basicentity.h
   user.cpp

DB_LMS/DataBaseLMS/CMakeLists.txt.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.1, 2024-11-06T16:05:43. -->
+<!-- Written by QtCreator 4.11.1, 2024-11-13T09:53:44. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

DB_LMS/DataBaseLMS/databaselms.cpp

@@ -5,7 +5,8 @@
 #include <QMessageBox>
 
 DataBaseLMS::DataBaseLMS():
-    db(nullptr)
+    db(nullptr),
+    transactionBegined(false)
 {
     createConnection();
 }
@@ -35,14 +36,40 @@ bool DataBaseLMS::createConnection()
 
 void DataBaseLMS::deleteConnection()
 {
+    if(transactionBegined)
+        QSqlDatabase::database().rollback();
+
     if(db != nullptr)
     {
         if(db->isOpen())
             db->close();
+
         delete  db;
+        db = nullptr;
     }
 }
 
+bool DataBaseLMS::transactionBegin()
+{
+    if(transactionBegined)
+        QSqlDatabase::database().rollback();
+
+    transactionBegined = true;
+
+    return QSqlDatabase::database().transaction();
+}
+
+bool DataBaseLMS::transactionEnd()
+{
+    if(transactionBegined)
+    {
+        transactionBegined = false;
+
+        return QSqlDatabase::database().commit();
+    }
+    return false;
+}
+
 QList<Instructor> DataBaseLMS::selectAllInstructors()
 {
     QList<Instructor> listInstructors;
@@ -51,10 +78,11 @@ QList<Instructor> DataBaseLMS::selectAllInstructors()
                                                  "FROM public.instructors "
                                                  "ORDER BY instructor_id ASC");
 
-    QSqlQuery query(*db);
+    QSqlQuery query = QSqlQuery(*db);
+
     if(!query.exec(queryStr))
     {
-        messageWarningErrorQuery(queryStr);
+        messageWarningErrorQuery(queryStr, &query);
     }
     else
     {
@@ -89,10 +117,11 @@ QList<Trainee> DataBaseLMS::selectAllTrainees()
                                                  "LEFT OUTER JOIN public.classrooms ON classrooms.classroom_id = computers.classroom_computer "
                                                  "ORDER BY groups.name, trainees.name ASC");
 
-    QSqlQuery query(*db);
+    QSqlQuery query = QSqlQuery(*db);
+
     if(!query.exec(queryStr))
     {
-        messageWarningErrorQuery(queryStr);
+        messageWarningErrorQuery(queryStr, &query);
     }
     else
     {
@@ -131,10 +160,11 @@ QList<Group> DataBaseLMS::selectAllGroups()
                                                  "FROM public.groups "
                                                  "ORDER BY group_id ASC");
 
-    QSqlQuery query(*db);
+    QSqlQuery query = QSqlQuery(*db);
+
     if(!query.exec(queryStr))
     {
-        messageWarningErrorQuery(queryStr);
+        messageWarningErrorQuery(queryStr, &query);
     }
     else
     {
@@ -151,10 +181,162 @@ QList<Group> DataBaseLMS::selectAllGroups()
     return listGroups;
 }
 
+Instructor DataBaseLMS::selectInstructor(int id_instructor)
+{
+    Instructor instructor;
+
+    QString queryStr = QString("SELECT instructor_id, name, login, password, is_admin, archived, logged_in "
+                                                 "FROM public.instructors "
+                                                 "WHERE instructors.instructor_id = %1 ").arg(
+                                                        id_instructor);
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        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;
+}
+
+int DataBaseLMS::selectInstructorID(QString login, QString password)
+{
+    QString queryStr;
+
+    if(password != QStringLiteral(""))
+    {
+        queryStr = QString("SELECT instructors.instructor_id "
+                                        "FROM public.instructors "
+                                        "WHERE login = '%1' AND password = '%2' ").arg(
+                                               login,
+                                               password );
+    }
+    else
+    {
+        queryStr = QString("SELECT instructors.instructor_id "
+                                        "FROM public.instructors "
+                                        "WHERE login = '%1' ").arg(
+                                               login );
+    }
+
+    return queryExecInt(queryStr);
+}
+
+bool DataBaseLMS::selectInstructorIsAdmin(int id_instructor)
+{
+    QString queryStr = QString("SELECT instructors.is_admin "
+                                                  "FROM public.instructors "
+                                                  "WHERE instructor_id = %1 ").arg(
+                                                         id_instructor );
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        if(query.next())
+            return query.value(0).toBool();
+    }
+    return false;
+}
+
+bool DataBaseLMS::selectInstructorLoggedIn(int id_instructor)
+{
+    QString queryStr = QString("SELECT instructors.logged_in "
+                                                  "FROM public.instructors "
+                                                  "WHERE instructor_id = %1 ").arg(
+                                                         id_instructor );
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        if(query.next())
+            return query.value(0).toBool();
+    }
+    return false;
+}
+
+bool DataBaseLMS::selectInstructorArchived(int id_instructor)
+{
+    QString queryStr = QString("SELECT instructors.archived "
+                                                  "FROM public.instructors "
+                                                  "WHERE instructor_id = %1 ").arg(
+                                                         id_instructor );
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        if(query.next())
+            return query.value(0).toBool();
+    }
+    return false;
+}
+
+int DataBaseLMS::updateInstructorLoggedIn(int id_instructor, bool loggedIn)
+{
+    QString queryStr = QString("UPDATE public.instructors "
+                                                 "SET logged_in = %1 "
+                                                 "WHERE instructor_id = %2 "
+                                                 "RETURNING instructors.instructor_id").arg(
+                                                        loggedIn ? "true" : "false",
+                                                        QString::number(id_instructor) );
+
+    return queryExecInt(queryStr);
+}
+
+int DataBaseLMS::updateInstructorArchived(int id_instructor, bool archived)
+{
+    QString queryStr = QString("UPDATE public.instructors "
+                                                 "SET archived = %1 "
+                                                 "WHERE instructor_id = %2 "
+                                                 "RETURNING instructors.instructor_id").arg(
+                                                        archived ? "true" : "false",
+                                                        QString::number(id_instructor) );
+
+    return queryExecInt(queryStr);
+}
+
+int DataBaseLMS::insertInstructor()
+{
+    QString queryStr = QString("INSERT INTO public.instructors "
+                                                 "DEFAULT VALUES "
+                                                 "RETURNING instructor_id");
+
+    return queryExecInt(queryStr);
+}
+
 int DataBaseLMS::insertInstructor(Instructor instructor)
 {
     QString queryStr = QString("INSERT INTO public.instructors (name, login, password, is_admin, archived, logged_in) "
-                                                 "VALUES ('%1', '%2', '%3', %4, %5, %6) RETURNING instructor_id").arg(
+                                                 "VALUES ('%1', '%2', '%3', %4, %5, %6) "
+                                                 "RETURNING instructor_id").arg(
                                                         instructor.getName(),
                                                         instructor.getLogin(),
                                                         instructor.getPassword(),
@@ -162,21 +344,25 @@ int DataBaseLMS::insertInstructor(Instructor instructor)
                                                         instructor.getArchived() ? "true" : "false",
                                                         instructor.getLoggedIn() ? "true" : "false");
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
 }
 
-int DataBaseLMS::deleteInstructor(int instructor_id)
+int DataBaseLMS::deleteInstructor(int id_instructor)
 {
-    QString queryStr = QString("DELETE FROM public.instructors WHERE instructor_id = %1 RETURNING instructors.instructor_id").arg(QString::number(instructor_id));
+    QString queryStr = QString("DELETE FROM public.instructors "
+                                                 "WHERE instructor_id = %1 "
+                                                 "RETURNING instructors.instructor_id").arg(
+                                                        QString::number(id_instructor));
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
 }
 
 int DataBaseLMS::updateInstructor(Instructor instructor)
 {
     QString queryStr = QString("UPDATE public.instructors "
                                                  "SET name = '%1', login = '%2', password = '%3', is_admin = %4, archived = %5, logged_in = %6 "
-                                                 "WHERE instructor_id = %7 RETURNING instructors.instructor_id").arg(
+                                                 "WHERE instructor_id = %7 "
+                                                 "RETURNING instructors.instructor_id").arg(
                                                         instructor.getName(),
                                                         instructor.getLogin(),
                                                         instructor.getPassword(),
@@ -185,38 +371,226 @@ int DataBaseLMS::updateInstructor(Instructor instructor)
                                                         instructor.getLoggedIn() ? "true" : "false",
                                                         QString::number(instructor.getID()) );
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
+}
+
+Group DataBaseLMS::selectGroup(int id_group)
+{
+    Group group;
+
+    QString queryStr = QString("SELECT group_id, name "
+                                                 "FROM public.groups "
+                                                 "WHERE groups.group_id = %1 ").arg(
+                                                        id_group);
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        if (query.first())
+        {//Инструктор
+            group.setID(query.value(0).toInt());
+            group.setName(query.value(1).toString());
+        }
+    }
+
+    return group;
+}
+
+int DataBaseLMS::insertGroup()
+{
+    QString queryStr = QString("INSERT INTO public.groups "
+                                                 "DEFAULT VALUES "
+                                                 "RETURNING group_id");
+
+    return queryExecInt(queryStr);
 }
 
 int DataBaseLMS::insertGroup(Group group)
 {
     QString queryStr = QString("INSERT INTO public.groups (name) "
-                                                 "VALUES ('%1') RETURNING groups.group_id").arg(
+                                                 "VALUES ('%1') "
+                                                 "RETURNING groups.group_id").arg(
                                                         group.getName());
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
 }
 
 int DataBaseLMS::deleteGroup(int group_id)
 {
-    QString queryStr = QString("DELETE FROM public.groups WHERE group_id = %1 RETURNING groups.group_id").arg(QString::number(group_id));
+    QString queryStr = QString("DELETE FROM public.groups "
+                                                 "WHERE group_id = %1 "
+                                                 "RETURNING groups.group_id").arg(
+                                                        QString::number(group_id));
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
 }
 
 int DataBaseLMS::updateGroup(Group group)
 {
-    QString queryStr = QString("UPDATE public.groups SET name = '%1' WHERE group_id = %2 RETURNING groups.group_id").arg(
+    QString queryStr = QString("UPDATE public.groups SET name = '%1' "
+                                                 "WHERE group_id = %2 "
+                                                 "RETURNING groups.group_id").arg(
                                                         group.getName(),
                                                         QString::number(group.getID()) );
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
+}
+
+Trainee DataBaseLMS::selectTrainee(int id_trainee)
+{
+    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 trainees.trainee_id = %1 "
+                                                 "ORDER BY groups.name, trainees.name ASC").arg(
+                                                        id_trainee);
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        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;
+}
+
+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);
+}
+
+bool DataBaseLMS::selectTraineeArchived(int id_trainee)
+{
+    QString queryStr = QString("SELECT trainees.archived "
+                                                  "FROM public.trainees "
+                                                  "WHERE trainee_id = %1 ").arg(
+                                                         id_trainee );
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        if(query.next())
+            return query.value(0).toBool();
+    }
+    return false;
+}
+
+bool DataBaseLMS::selectTraineeLoggedIn(int id_trainee)
+{
+    QString queryStr = QString("SELECT trainees.logged_in "
+                                                  "FROM public.trainees "
+                                                  "WHERE trainee_id = %1 ").arg(
+                                                         id_trainee );
+
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+    }
+    else
+    {
+        if(query.next())
+            return query.value(0).toBool();
+    }
+    return false;
+}
+
+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);
+}
+
+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(
+                                                 "VALUES ('%1', '%2', '%3', %4, %5, %6) "
+                                                 "RETURNING trainees.trainee_id").arg(
                                                         trainee.getName(),
                                                         trainee.getLogin(),
                                                         trainee.getPassword(),
@@ -224,14 +598,17 @@ int DataBaseLMS::insertTrainee(Trainee trainee)
                                                         trainee.getLoggedIn() ? "true" : "false",
                                                         QString::number(trainee.getGroup().getID()));
 
-    return queryExec(queryStr);
+    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));
+    QString queryStr = QString("DELETE FROM public.trainees "
+                                                 "WHERE trainee_id = %1 "
+                                                 "RETURNING trainees.trainee_id").arg(
+                                                        QString::number(trainee_id));
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
 }
 
 int DataBaseLMS::updateTrainee(Trainee trainee)
@@ -242,7 +619,8 @@ int DataBaseLMS::updateTrainee(Trainee trainee)
                                                  "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(
+                                                 "WHERE trainee_id = %8 "
+                                                 "RETURNING trainees.trainee_id").arg(
                                                         trainee.getName(),
                                                         trainee.getLogin(),
                                                         trainee.getPassword(),
@@ -252,7 +630,7 @@ int DataBaseLMS::updateTrainee(Trainee trainee)
                                                         computer_id,
                                                         QString::number(trainee.getID()) );
 
-    return queryExec(queryStr);
+    return queryExecInt(queryStr);
 }
 
 QList<Task> DataBaseLMS::selectTasksOfTrainee(int trainee_id)
@@ -260,17 +638,18 @@ QList<Task> DataBaseLMS::selectTasksOfTrainee(int trainee_id)
     QList<Task> tasks;
 
     QString queryStr = QString("SELECT tasks.task_id, tasks.name "
-                                "FROM public.trainees "
+                                                 "FROM public.trainees "
-                                "JOIN public.trainees_tasks ON trainees_tasks.trainee_id = trainees.trainee_id "
+                                                 "JOIN public.trainees_tasks ON trainees_tasks.trainee_id = trainees.trainee_id "
-                                "JOIN public.tasks ON tasks.task_id = trainees_tasks.task_id "
+                                                 "JOIN public.tasks ON tasks.task_id = trainees_tasks.task_id "
-                                "WHERE trainees.trainee_id = %1 "
+                                                 "WHERE trainees.trainee_id = %1 "
-                                "ORDER BY tasks.name ASC").arg(
+                                                 "ORDER BY tasks.name ASC").arg(
-                                                    trainee_id);
+                                                        trainee_id);
+
+    QSqlQuery query = QSqlQuery(*db);
 
-    QSqlQuery query(*db);
     if(!query.exec(queryStr))
     {
-        messageWarningErrorQuery(queryStr);
+        messageWarningErrorQuery(queryStr, &query);
     }
     else
     {
@@ -286,24 +665,46 @@ QList<Task> DataBaseLMS::selectTasksOfTrainee(int trainee_id)
     return tasks;
 }
 
-int DataBaseLMS::queryExec(QString queryStr)
+int DataBaseLMS::queryExecInt(QString queryStr)
 {
-    QSqlQuery query(*db);
+    QSqlQuery query = QSqlQuery(*db);
+
     if(!query.exec(queryStr))
     {
-        messageWarningErrorQuery(queryStr);
+        messageWarningErrorQuery(queryStr, &query);
         return 0;
     }
     else
     {
-        if(query.next())
+        if(query.first())
             return query.value(0).toInt();
         else
             return 0;
     }
 }
-
+/*
-void DataBaseLMS::messageWarningErrorQuery(QString queryStr)
+bool DataBaseLMS::queryExecBool(QString queryStr)
 {
-    QMessageBox::warning(nullptr, dbName, "Error query: " + queryStr + "\n" + db->lastError().text());
+    QSqlQuery query = QSqlQuery(*db);
+
+    if(!query.exec(queryStr))
+    {
+        messageWarningErrorQuery(queryStr, &query);
+        return 0;
+    }
+    else
+    {
+        if(query.first())
+            return query.value(0).toBool();
+        else
+            return 0;
+    }
+}*/
+
+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());
 }

DB_LMS/DataBaseLMS/databaselms.h

@@ -15,22 +15,51 @@ public:
     DataBaseLMS();
     ~DataBaseLMS();
 
-public:
+protected:
+    public:
+    //Подключение
     bool createConnection();
     void deleteConnection();
 
+    //Транзакции
+    bool transactionBegin();
+    bool transactionEnd();
+
+    //Списки
     QList<Instructor> selectAllInstructors();
     QList<Trainee> selectAllTrainees();
     QList<Group> selectAllGroups();
 
+    //Инструктор
+    Instructor selectInstructor(int id_instructor);
+    int selectInstructorID(QString login, QString password = QStringLiteral(""));
+    bool selectInstructorIsAdmin(int id_instructor);
+    bool selectInstructorLoggedIn(int id_instructor);
+    bool selectInstructorArchived(int id_instructor);
+    int updateInstructorLoggedIn(int id_instructor, bool loggedIn);
+    int updateInstructorArchived(int id_instructor, bool archived);
+
+    int insertInstructor();
     int insertInstructor(Instructor instructor);
-    int deleteInstructor(int instructor_id);
+    int deleteInstructor(int id_instructor);
     int updateInstructor(Instructor instructor);
 
+    //Группа
+    Group selectGroup(int id_group);//
+    int insertGroup();//
     int insertGroup(Group group);
     int deleteGroup(int group_id);
     int updateGroup(Group group);
 
+    //Обучаемый
+    Trainee selectTrainee(int id_trainee);//
+    int selectTraineeID(QString login, QString password = QStringLiteral(""));//
+    bool selectTraineeArchived(int id_trainee);//
+    bool selectTraineeLoggedIn(int id_trainee);//
+    int updateTraineeLoggedIn(int id_trainee, bool loggedIn);//
+    int updateTraineeArchived(int id_trainee, bool archived);//
+
+    int insertTrainee(int id_group);//
     int insertTrainee(Trainee trainee);
     int deleteTrainee(int trainee_id);
     int updateTrainee(Trainee trainee);
@@ -38,11 +67,13 @@ public:
     QList<Task> selectTasksOfTrainee(int trainee_id);
 
 private:
-    int queryExec(QString queryStr);
+    int queryExecInt(QString queryStr);
-    void messageWarningErrorQuery(QString queryStr);
+    //bool queryExecBool(QString queryStr);
+    void messageWarningErrorQuery(QString queryStr, QSqlQuery* query);
 
 private:
     QSqlDatabase* db;
+    bool transactionBegined;
     const QString dbName = "DataBaseLMS";
     const QString dbUserName = "postgres";
     const QString dbPassword = "12345678";

DB_LMS/DataBaseLMS/interfacedatabaselms.cpp

@@ -0,0 +1,6 @@
+#include "interfacedatabaselms.h"
+
+InterfaceDataBaseLMS::InterfaceDataBaseLMS()
+{
+
+}

DB_LMS/DataBaseLMS/interfacedatabaselms.h

@@ -0,0 +1,13 @@
+#ifndef INTERFACEDATABASELMS_H
+#define INTERFACEDATABASELMS_H
+
+#include "DataBaseLMS_global.h"
+#include "databaselms.h"
+
+class DATABASELMS_EXPORT InterfaceDataBaseLMS : public DataBaseLMS
+{
+public:
+    InterfaceDataBaseLMS();
+};
+
+#endif // INTERFACEDATABASELMS_H

DB_LMS/Debug64/.cmake/api/v1/reply/codemodel-v2-4c4ecc1a053153a57cf7.json

@@ -41,7 +41,7 @@
 				{
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 					"id" : "DataBaseLMS::@6890427a1f51a3e7e1df",
-					"jsonFile" : "target-DataBaseLMS-Debug-788469329fca20560302.json",
+					"jsonFile" : "target-DataBaseLMS-Debug-5eb45d4d55eb23675b98.json",
 					"name" : "DataBaseLMS",
 					"projectIndex" : 0
 				},

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@@ -26,7 +26,7 @@
 	"objects" : 
 	[
 		{
-			"jsonFile" : "codemodel-v2-75aa5940d6c94493455f.json",
+			"jsonFile" : "codemodel-v2-4c4ecc1a053153a57cf7.json",
 			"kind" : "codemodel",
 			"version" : 
 			{
@@ -77,7 +77,7 @@
 		},
 		"codemodel-v2" : 
 		{
-			"jsonFile" : "codemodel-v2-75aa5940d6c94493455f.json",
+			"jsonFile" : "codemodel-v2-4c4ecc1a053153a57cf7.json",
 			"kind" : "codemodel",
 			"version" : 
 			{

DB_LMS/Debug64/.cmake/api/v1/reply/target-DataBaseLMS-Debug-5eb45d4d55eb23675b98.json

@@ -43,13 +43,13 @@
 			{
 				"command" : 1,
 				"file" : 0,
-				"line" : 37,
+				"line" : 39,
 				"parent" : 0
 			},
 			{
 				"command" : 1,
 				"file" : 0,
-				"line" : 38,
+				"line" : 40,
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@@ -87,7 +87,7 @@
 			{
 				"command" : 5,
 				"file" : 0,
-				"line" : 40,
+				"line" : 42,
 				"parent" : 0
 			}
 		]
@@ -195,7 +195,8 @@
 				12,
 				14,
 				16,
-				18
+				18,
+				20
 			]
 		}
 	],
@@ -264,7 +265,8 @@
 				12,
 				14,
 				16,
-				18
+				18,
+				20
 			]
 		},
 		{
@@ -280,7 +282,8 @@
 				13,
 				15,
 				17,
-				19
+				19,
+				21
 			]
 		}
 	],
@@ -309,6 +312,17 @@
 			"path" : "databaselms.h",
 			"sourceGroupIndex" : 1
 		},
+		{
+			"backtrace" : 1,
+			"compileGroupIndex" : 0,
+			"path" : "interfacedatabaselms.cpp",
+			"sourceGroupIndex" : 0
+		},
+		{
+			"backtrace" : 1,
+			"path" : "interfacedatabaselms.h",
+			"sourceGroupIndex" : 1
+		},
 		{
 			"backtrace" : 1,
 			"compileGroupIndex" : 0,

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DB_LMS/Debug64/CMakeFiles/DataBaseLMS_autogen.dir/AutogenInfo.json

@@ -123,6 +123,12 @@
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+		[
+			"D:/LMS/DB_LMS/DataBaseLMS/interfacedatabaselms.h",
+			"MU",
+			"EWIEGA46WW/moc_interfacedatabaselms.cpp",
+			null
+		],
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 		[ "D:/LMS/DB_LMS/DataBaseLMS/group.cpp", "MU", null ],
 		[ "D:/LMS/DB_LMS/DataBaseLMS/instructor.cpp", "MU", null ],
+		[ "D:/LMS/DB_LMS/DataBaseLMS/interfacedatabaselms.cpp", "MU", null ],
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DB_LMS/Debug64/CMakeFiles/DataBaseLMS_autogen.dir/ParseCache.txt

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@@ -159,6 +159,12 @@
 		<Unit filename="D:/LMS/DB_LMS/DataBaseLMS/instructor.h">
 			<Option target="DataBaseLMS"/>
 		</Unit>
+		<Unit filename="D:/LMS/DB_LMS/DataBaseLMS/interfacedatabaselms.cpp">
+			<Option target="DataBaseLMS"/>
+		</Unit>
+		<Unit filename="D:/LMS/DB_LMS/DataBaseLMS/interfacedatabaselms.h">
+			<Option target="DataBaseLMS"/>
+		</Unit>
 		<Unit filename="D:/LMS/DB_LMS/DataBaseLMS/task.cpp">
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   OBJECT_DIR = CMakeFiles\DataBaseLMS.dir
   OBJECT_FILE_DIR = CMakeFiles\DataBaseLMS.dir
 
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+  DEFINES = -DDATABASELMS_LIBRARY -DDataBaseLMS_EXPORTS -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SQL_LIB -DQT_WIDGETS_LIB
+  DEP_FILE = CMakeFiles\DataBaseLMS.dir\interfacedatabaselms.cpp.obj.d
+  FLAGS = -g -std=gnu++11
+  INCLUDES = -ID:/LMS/DB_LMS/Debug64 -ID:/LMS/DB_LMS/DataBaseLMS -ID:/LMS/DB_LMS/Debug64/DataBaseLMS_autogen/include -isystem C:/Qt/Qt5.14.2/5.14.2/mingw73_64/include -isystem C:/Qt/Qt5.14.2/5.14.2/mingw73_64/include/QtWidgets -isystem C:/Qt/Qt5.14.2/5.14.2/mingw73_64/include/QtGui -isystem C:/Qt/Qt5.14.2/5.14.2/mingw73_64/include/QtANGLE -isystem C:/Qt/Qt5.14.2/5.14.2/mingw73_64/include/QtCore -isystem C:/Qt/Qt5.14.2/5.14.2/mingw73_64/./mkspecs/win32-g++ -isystem C:/Qt/Qt5.14.2/5.14.2/mingw73_64/include/QtSql
+  OBJECT_DIR = CMakeFiles\DataBaseLMS.dir
+  OBJECT_FILE_DIR = CMakeFiles\DataBaseLMS.dir
+
 build CMakeFiles/DataBaseLMS.dir/basicentity.cpp.obj: CXX_COMPILER__DataBaseLMS_unscanned_Debug D$:/LMS/DB_LMS/DataBaseLMS/basicentity.cpp || cmake_object_order_depends_target_DataBaseLMS
   DEFINES = -DDATABASELMS_LIBRARY -DDataBaseLMS_EXPORTS -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SQL_LIB -DQT_WIDGETS_LIB
   DEP_FILE = CMakeFiles\DataBaseLMS.dir\basicentity.cpp.obj.d
@@ -137,7 +145,7 @@ build CMakeFiles/DataBaseLMS.dir/classroom.cpp.obj: CXX_COMPILER__DataBaseLMS_un
 #############################################
 # Link the shared library libDataBaseLMS.dll
 
-build libDataBaseLMS.dll libDataBaseLMS.dll.a: CXX_SHARED_LIBRARY_LINKER__DataBaseLMS_Debug CMakeFiles/DataBaseLMS.dir/DataBaseLMS_autogen/mocs_compilation.cpp.obj CMakeFiles/DataBaseLMS.dir/databaselms.cpp.obj CMakeFiles/DataBaseLMS.dir/basicentity.cpp.obj CMakeFiles/DataBaseLMS.dir/user.cpp.obj CMakeFiles/DataBaseLMS.dir/instructor.cpp.obj CMakeFiles/DataBaseLMS.dir/trainee.cpp.obj CMakeFiles/DataBaseLMS.dir/group.cpp.obj CMakeFiles/DataBaseLMS.dir/computer.cpp.obj CMakeFiles/DataBaseLMS.dir/task.cpp.obj CMakeFiles/DataBaseLMS.dir/classroom.cpp.obj | C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Widgets.a C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Sql.a C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Gui.a C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Core.a || DataBaseLMS_autogen
+build libDataBaseLMS.dll libDataBaseLMS.dll.a: CXX_SHARED_LIBRARY_LINKER__DataBaseLMS_Debug CMakeFiles/DataBaseLMS.dir/DataBaseLMS_autogen/mocs_compilation.cpp.obj CMakeFiles/DataBaseLMS.dir/databaselms.cpp.obj CMakeFiles/DataBaseLMS.dir/interfacedatabaselms.cpp.obj CMakeFiles/DataBaseLMS.dir/basicentity.cpp.obj CMakeFiles/DataBaseLMS.dir/user.cpp.obj CMakeFiles/DataBaseLMS.dir/instructor.cpp.obj CMakeFiles/DataBaseLMS.dir/trainee.cpp.obj CMakeFiles/DataBaseLMS.dir/group.cpp.obj CMakeFiles/DataBaseLMS.dir/computer.cpp.obj CMakeFiles/DataBaseLMS.dir/task.cpp.obj CMakeFiles/DataBaseLMS.dir/classroom.cpp.obj | C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Widgets.a C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Sql.a C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Gui.a C$:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Core.a || DataBaseLMS_autogen
   LANGUAGE_COMPILE_FLAGS = -g
   LINK_LIBRARIES = C:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Widgets.a  C:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Sql.a  C:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Gui.a  C:/Qt/Qt5.14.2/5.14.2/mingw73_64/lib/libQt5Core.a  -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32
   OBJECT_DIR = CMakeFiles\DataBaseLMS.dir

testDB/Debug64/.ninja_log

@@ -1,81 +1,78 @@
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testDB/Debug64/CMakeFiles/testDBpgSQL_autogen.dir/ParseCache.txt

@@ -1,6 +1,6 @@
 # Generated by CMake. Changes will be overwritten.
-D:/LMS/testDB/testDBpgSQL/mainwindow.cpp
- uic:./ui_mainwindow.h
-D:/LMS/testDB/testDBpgSQL/main.cpp
 D:/LMS/testDB/testDBpgSQL/mainwindow.h
  mmc:Q_OBJECT
+D:/LMS/testDB/testDBpgSQL/main.cpp
+D:/LMS/testDB/testDBpgSQL/mainwindow.cpp
+ uic:./ui_mainwindow.h

testDB/testDBpgSQL/CMakeLists.txt.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.1, 2024-11-06T16:05:43. -->
+<!-- Written by QtCreator 4.11.1, 2024-11-13T09:53:44. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

testDB/testDBpgSQL/mainwindow.cpp

@@ -12,7 +12,8 @@ MainWindow::MainWindow(QWidget *parent)
     ui->setupUi(this);
 
     m_instructorsAndTraineesWidget = new InstructorsAndTraineesWidget(this);
-    if(! m_instructorsAndTraineesWidget->authorizationCompleted())
+
+    if(! m_instructorsAndTraineesWidget->authorizationIsCompleted())
     {
         delete m_instructorsAndTraineesWidget;
         delete ui;