QDS-11858 Cannot open project with passwords

This MR brings the following features;

• add: a text field to enter project password
• fix: user project cache is not checked properly
• chore: a couple clean-ups

src/backend.cpp

@@ -61,42 +61,30 @@ Backend::Backend(QObject *parent)
             &ServiceConnector::downloadProgress,
             this,
             &Backend::downloadProgress);
-}
 
-void Backend::initialize()
-{
-    const QRect screenGeometry = QGuiApplication::primaryScreen()->geometry();
-    qDebug() << "Qt Design Viewer";
-    qDebug() << "System information:";
-    qDebug() << "-- Qt version: " << QT_VERSION_STR;
-    qDebug() << "-- OpenSSL support: " << QVariant(QSslSocket::supportsSsl()).toString();
-    qDebug() << "-- Screen height: " << QString::number(screenGeometry.height());
-    qDebug() << "-- Screen width: " << QString::number(screenGeometry.width());
+    updateUserProjectList();
+    // Initialize background update
+    connect(&m_backgroundTimer, &QTimer::timeout, this, &Backend::updateUserProjectList);
+    m_backgroundTimer.setInterval(1000 * 10);
+    enableBackgroundUpdate(updateInBackground());
 
 #ifdef QT_DEBUG
     const QString buildType = "Debug";
 #else
     const QString buildType = "Release";
 #endif
-    const QString buildInfo = QCoreApplication::applicationVersion() + "\nTechnology Preview - "
-                              + QString(GIT_VERSION) + "\nQt " + QString(QT_VERSION_STR) + " - "
-                              + buildType + " Build" + "\nQt Quick Components "
-                              + QString(QT_QUICK_COMPONENTS_VERSION) + "\nOpenSSL support: "
-                              + QVariant(QSslSocket::supportsSsl()).toString();
-    emit buildInfoChanged(buildInfo);
-
-    if (userHash().isEmpty())
-        qDebug("User Hash is not registered. Scan QR code to register.");
-    else {
-        qDebug() << "User Hash: " << userHash();
-        updateUserProjectList();
-    }
+    m_buildInfo = QCoreApplication::applicationVersion() + "\nTechnology Preview - "
+                  + QString(GIT_VERSION) + "\nQt " + QString(QT_VERSION_STR) + " - " + buildType
+                  + " Build" + "\nQt Quick Components " + QString(QT_QUICK_COMPONENTS_VERSION)
+                  + "\nOpenSSL support: " + QVariant(QSslSocket::supportsSsl()).toString();
 
-    // Initialize background update
-    connect(&m_backgroundTimer, &QTimer::timeout, this, &Backend::updateUserProjectList);
-    m_backgroundTimer.setInterval(1000 * 10);
-    enableBackgroundUpdate(updateInBackground());
-    qDebug() << "Initialization complete";
+    const QRect screenGeometry = QGuiApplication::primaryScreen()->geometry();
+    qDebug() << "Qt Design Viewer";
+    qDebug() << "System information:";
+    qDebug() << "-- Qt version: " << QT_VERSION_STR;
+    qDebug() << "-- OpenSSL support: " << QVariant(QSslSocket::supportsSsl()).toString();
+    qDebug() << "-- Screen height: " << QString::number(screenGeometry.height());
+    qDebug() << "-- Screen width: " << QString::number(screenGeometry.width());
 }
 
 void Backend::enableBackgroundUpdate(const bool &enabled)
@@ -400,7 +388,7 @@ void Backend::clearDemoCaches()
     emit popupClose();
 }
 
-void Backend::runUserProject(const QString &projectName)
+void Backend::runUserProject(const QString &projectName, const QString &password)
 {
     initializeProjectManager();
     updatePopup("Running user project");
@@ -408,10 +396,20 @@ void Backend::runUserProject(const QString &projectName)
 
     qDebug() << "Running user project:" << projectName;
 
-    QString projectLastModified;
-    QString projectId;
+    // fetch the project list to check if the project is cached
+    const std::optional<QJsonArray> projectList = m_serviceConnector.fetchUserProjectList(
+        userHash());
+
+    if (projectList == std::nullopt) {
+        qCritical()
+            << "Could not fetch user project list. Please check your internet connection and "
+               "try again.";
+        emit popupClose();
+        return;
+    }
+
     QJsonObject projectInfo;
-    for (const auto &project : m_projectList) {
+    for (const auto &project : projectList.value()) {
         if (projectName == project.toObject().value("appName").toString()) {
             projectInfo = project.toObject();
             break;
@@ -424,7 +422,7 @@ void Backend::runUserProject(const QString &projectName)
         qDebug("Project is not cached. Downloading...");
         updatePopup("Project is not cached. Downloading...", false);
         const std::optional<QByteArray> projectData
-            = m_serviceConnector.fetchUserProject(userHash(), projectName);
+            = m_serviceConnector.fetchUserProject(userHash(), projectName, password);
 
         if (projectData == std::nullopt) {
             qCritical()