PSQL id 06.11.2024

DB_IaT/InstructorsAndTrainees/trainees/editortrainees.cpp

@@ -5,8 +5,7 @@
 #include "dialogedittrainee.h"
 
 EditorTrainees::EditorTrainees(DataBaseTrainees* db, bool adminMode, QWidget *parent) :
-    //QDialog(parent),
-    TraineesView(db, CommonView::TypeView::control, parent),
+    TraineesView(db, CommonView::TypeView::control, adminMode, parent),
     ui(new Ui::EditorTrainees)
 {
     ui->setupUi((QDialog*)this);
@@ -23,9 +22,9 @@ EditorTrainees::~EditorTrainees()
 
 void EditorTrainees::on_btnNewGroup_clicked()
 {
-    QString nameGroup = dbTrainees->newGroup();
+    int id = dbTrainees->newGroup();
     loadTraineesFromDB();
-    setCurrentGroup(nameGroup);
+    setCurrentGroup(id);
 }
 
 void EditorTrainees::on_btnDeleteGroup_clicked()
@@ -37,13 +36,24 @@ void EditorTrainees::on_btnDeleteGroup_clicked()
         QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
         if(treeItemParent == nullptr)
         {//Выбрана группа
-            QString name = treeItemCurrent->text(0);
-            if(dbTrainees->deleteGroup(name))
-            {//Удалено
-                loadTraineesFromDB();
+            int id_group = treeItemCurrent->text(0).toInt();
+
+            if(dbTrainees->getListTraineesInGroup(id_group).count() > 0)
+            {
+                QMessageBox::critical(this, tr("Editing error!"), tr("The group is not empty.\nIt is not possible to delete a non-empty group."));
+                return;
             }
             else
-                QMessageBox::critical(this, tr("Editing error!"), tr("The group is not empty.\nIt is not possible to delete a non-empty group."));
+            {//Пустая группа
+                if(int id = dbTrainees->deleteGroup(id_group))
+                {//Удалено
+                    loadTraineesFromDB();
+                }
+                else
+                {
+                    //Ошибка удаления
+                }
+            }
         }
     }
 }
@@ -57,10 +67,16 @@ void EditorTrainees::on_btnNewTrainee_clicked()
         QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
         if(treeItemParent == nullptr)
         {//Выбрана группа. Можно добавить Обучаемого
-            QString nameGroup = treeItemCurrent->text(0);
-            dbTrainees->newTrainee(nameGroup);
-            loadTraineesFromDB();
-            setCurrentGroup(nameGroup);
+            int id_group = treeItemCurrent->text(0).toInt();
+            if(int id = dbTrainees->newTrainee(id_group))
+            {
+                loadTraineesFromDB();
+                setCurrentGroup(id_group);
+            }
+            else
+            {
+                //Ошибка добавления
+            }
         }
     }
 }
@@ -75,14 +91,20 @@ void EditorTrainees::on_btnDeleteTrainee_clicked()
         if(treeItemParent != nullptr)
         {//Выбран обучаемый
 
-            QString name = treeItemCurrent->text(0);
-            QString nameGroup = treeItemParent->text(0);
+            int id_trainee = treeItemCurrent->text(0).toInt();
+            int id_group = treeItemParent->text(0).toInt();
 
             if(QMessageBox::warning(this, tr("Attention!"), tr("The deletion will be irrevocable.\nDelete anyway?"), QMessageBox::Ok, QMessageBox::Cancel) == QMessageBox::Ok)
             {
-                dbTrainees->deleteTrainee(name);
-                loadTraineesFromDB();
-                setCurrentGroup(nameGroup);
+                if(int id = dbTrainees->deleteTrainee(id_trainee))
+                {//Удалено
+                    loadTraineesFromDB();
+                    setCurrentGroup(id_group);
+                }
+                else
+                {
+                    //Ошибка удаления
+                }
             }
         }
     }
@@ -98,29 +120,37 @@ void EditorTrainees::on_btnToOrFromArchiveTrainee_clicked()
         if(treeItemParent != nullptr)
         {//Выбран обучаемый
 
-            QString name = treeItemCurrent->text(0);
+            int id_trainee = treeItemCurrent->text(0).toInt();
 
-            Trainee trainee = dbTrainees->getTrainee(name);
+            Trainee trainee = dbTrainees->getTrainee(id_trainee);
 
             if(trainee.getArchived())
             {//Архивный
                 trainee.setArchived(false);
-                if(dbTrainees->editTrainee(name, trainee))
-                {
+                if(int id = dbTrainees->editTrainee(trainee))
+                {//Отредактировано
                     loadTraineesFromDB();
-                    setCurrentTrainee(trainee.getName());
+                    setCurrentTrainee(id);
+                }
+                else
+                {
+                    //Ошибка редактирования
                 }
             }
             else
             {//Не Архивный
                 trainee.setArchived(true);
-                if(dbTrainees->editTrainee(name, trainee))
-                {
+                if(int id = dbTrainees->editTrainee(trainee))
+                {//Отредактировано
                     if(!archiveVisible)
                         ui->btnArchive->click();
 
                     loadTraineesFromDB();
-                    setCurrentTrainee(trainee.getName());
+                    setCurrentTrainee(id);
+                }
+                else
+                {
+                    //Ошибка редактирования
                 }
             }
         }
@@ -138,23 +168,25 @@ void EditorTrainees::on_btnEdit_clicked()
     if(treeItemParent == nullptr)
     {//Выбрана группа
 
-        QString nameGroup = treeItemCurrent->text(0);
+        int id_group = treeItemCurrent->text(0).toInt();
 
         DialogEditGroup dlg(this);
-        dlg.setGroup(dbTrainees->getGroup(nameGroup));
+        dlg.setGroup(dbTrainees->getGroup(id_group));
 
         switch( dlg.exec() )
         {
         case QDialog::Accepted:
         {
-            if(dbTrainees->editGroup(nameGroup, dlg.getGroup()))
-            {
+            if(int id = dbTrainees->editGroup(dlg.getGroup()))
+            {//Отредактировано
                 loadTraineesFromDB();
-                setCurrentGroup(dlg.getGroup().getName());
+                setCurrentGroup(id);
             }
             else
-                QMessageBox::critical(this, tr("Editing error!"),
-                                      tr("An existing group name has been entered.\nThe changes will not be accepted."));
+            {
+                //Ошибка редактирования
+            }
+
             break;
         }
         case QDialog::Rejected:
@@ -166,23 +198,25 @@ void EditorTrainees::on_btnEdit_clicked()
     else
     {//Выбран обучаемый
 
-        QString name = treeItemCurrent->text(0);
+        int id_trainee = treeItemCurrent->text(0).toInt();
 
         DialogEditTrainee dlg(this);
-        dlg.setTrainee(dbTrainees->getTrainee(name));
+        dlg.setTrainee(dbTrainees->getTrainee(id_trainee));
 
         switch( dlg.exec() )
         {
         case QDialog::Accepted:
             {
-                if(dbTrainees->editTrainee(name, dlg.getTrainee()))
-                {
+                if(int id = dbTrainees->editTrainee(dlg.getTrainee()))
+                {//Отредактировано
                     loadTraineesFromDB();
-                    setCurrentTrainee(dlg.getTrainee().getName());
+                    setCurrentTrainee(id);
                 }
                 else
-                    QMessageBox::critical(this, tr("Editing error!"),
-                                          tr("An existing trainee's name or login has been entered.\nThe changes will not be accepted."));
+                {
+                    //Ошибка редактирования
+                }
+
                 break;
             }
         case QDialog::Rejected:
@@ -210,8 +244,27 @@ void EditorTrainees::on_treeWidget_currentItemChanged(QTreeWidgetItem *current,
     QTreeWidgetItem *treeItemParent = current->parent();
     if(treeItemParent == nullptr)
     {//Выбрана группа
-        ui->btnNewGroup->setEnabled(true);
-        ui->btnDeleteGroup->setEnabled(true);
+        int id_group = current->text(0).toInt();
+
+        if(adminMode)
+        {
+            ui->btnNewGroup->setEnabled(true);
+
+            if(dbTrainees->getListTraineesInGroup(id_group).count() > 0)
+            {//Группа не пуста
+                ui->btnDeleteGroup->setEnabled(false);
+            }
+            else
+            {//Группа пуста
+                ui->btnDeleteGroup->setEnabled(true);
+            }
+        }
+        else
+        {
+            ui->btnNewGroup->setEnabled(false);
+            ui->btnDeleteGroup->setEnabled(false);
+        }
+
         ui->btnNewTrainee->setEnabled(true);
         ui->btnDeleteTrainee->setEnabled(false);
         ui->btnToOrFromArchiveTrainee->setEnabled(false);
@@ -223,13 +276,13 @@ void EditorTrainees::on_treeWidget_currentItemChanged(QTreeWidgetItem *current,
     }
     else
     {//Выбран обучаемый
-        QString name = current->text(0);
+        int id_trainee = current->text(0).toInt();
 
         ui->btnNewGroup->setEnabled(false);
         ui->btnDeleteGroup->setEnabled(false);
         ui->btnNewTrainee->setEnabled(false);        
 
-        if(dbTrainees->isArchived(name))
+        if(dbTrainees->isArchived(id_trainee))
         {//Архивный
             ui->btnDeleteTrainee->setEnabled(true);
 
@@ -251,13 +304,13 @@ void EditorTrainees::on_treeWidget_currentItemChanged(QTreeWidgetItem *current,
     }
 }
 
-void EditorTrainees::setCurrentGroup(QString nameGroup)
+void EditorTrainees::setCurrentGroup(int id)
 {
     for(int i = 0; i < treeWidget->topLevelItemCount(); i++)
     {
         QTreeWidgetItem * item = treeWidget->topLevelItem(i);
         if(item != nullptr)
-            if(item->text(0) == nameGroup)
+            if(item->text(0).toInt() == id)
             {
                 treeWidget->setCurrentItem(item);
                 break;
@@ -265,7 +318,7 @@ void EditorTrainees::setCurrentGroup(QString nameGroup)
     }
 }
 
-void EditorTrainees::setCurrentTrainee(QString name)
+void EditorTrainees::setCurrentTrainee(int id)
 {
     for(int i = 0; i < treeWidget->topLevelItemCount(); i++)
     {
@@ -276,7 +329,7 @@ void EditorTrainees::setCurrentTrainee(QString name)
             {
                 QTreeWidgetItem * itemChild = item->child(j);
                 if(itemChild != nullptr)
-                    if(itemChild->text(0) == name)
+                    if(itemChild->text(0).toInt() == id)
                     {
                         treeWidget->setCurrentItem(itemChild);
                         break;