add of save function with default value

mainwindow.cpp

@@ -5,6 +5,13 @@
 #include <QFileDialog>
 #include <QMessageBox>
 
+
+#include <QFile>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+
+
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainWindow)
@@ -58,6 +65,7 @@ void MainWindow::loadPath()
     ui->lengthSpin->setValue(p->getLength());
     ui->durationSpin->setValue(p->getDuration());
     ui->imagePath->setText(p->getImage());
+    ui->depSpin->setValue(p->getDepartement());
 
     loadImage(p->getImage());
 }
@@ -131,3 +139,55 @@ void MainWindow::on_toolButton_clicked()
     loadImage(fileName);
 }
 
+void MainWindow::saveFile(){
+    QString fileName;
+    if (currentFile.isEmpty()) {
+        fileName = QFileDialog::getSaveFileName(this, "Save");
+        currentFile = fileName;
+    } else {
+        fileName = currentFile;
+    }
+    QFile file(fileName);
+    if (!file.open(QIODevice::WriteOnly | QFile::Text)) {
+        QMessageBox::warning(this, "Warning", "Cannot save file: " + file.errorString());
+        return;
+    }
+    setWindowTitle(fileName);
+    QJsonObject json;
+    json["name"] = ui->titleEdit->text();
+    json["city"] =ui->locEdit->text();
+    json["departement"] = ui->depSpin->text();
+    json["difficulty"] = ui->diffSpin->value();
+    json["duration"] = ui->durationSpin->value();
+    json["length"] = ui->lengthSpin->value();
+    json["image"] = ui->imagePath->text();
+
+
+    QJsonArray steps;
+    QJsonObject step1;
+    step1["numero"] = "3";
+    step1["title"] = "ok ca marche";
+    step1["GPS"] = "S 45 37.199 E 1 2.009";
+    step1["reponse"] = "34";
+
+    QJsonArray dialogues;
+    QJsonObject dialogue1;
+    dialogue1["personnage"] = "Quentin";
+    dialogue1["texte"] = "ok c'est cool";
+
+    dialogues.append(dialogue1);
+    step1["dialogue"] = dialogues;
+    steps.append(step1);
+    json["steps"] = steps;
+
+    QJsonDocument doc(json);
+    file.write(doc.toJson());
+
+    file.close();
+}
+
+void MainWindow::on_actionSave_triggered()
+{
+    this->saveFile();
+}
+