Database: Make it possible to trigger the "Repair Database" action via menu item

Author: cr7pt0gr4ph7

src/mixxxmainwindow.cpp

@@ -852,6 +852,11 @@ void MixxxMainWindow::connectMenuBar() {
             this,
             &MixxxMainWindow::slotOptionsPreferences,
             Qt::UniqueConnection);
+    connect(m_pMenuBar,
+            &WMainMenuBar::repairDatabase,
+            this,
+            &MixxxMainWindow::slotOptionsRepairDatabase,
+            Qt::UniqueConnection);
     connect(m_pMenuBar,
             &WMainMenuBar::loadTrackToDeck,
             this,
@@ -1134,6 +1139,28 @@ void MixxxMainWindow::slotOptionsPreferences() {
     m_pPrefDlg->activateWindow();
 }
 
+void MixxxMainWindow::slotOptionsRepairDatabase() {
+    QMessageBox::StandardButton btn = QMessageBox::warning(
+            this,
+            VersionStore::applicationName(),
+            tr("Repairing the database requires a restart of Mixxx.\n"
+               "Do you want to exit out of Mixxx and run the database repair on the next launch?"),
+            QMessageBox::Yes | QMessageBox::No,
+            QMessageBox::No);
+    if (btn == QMessageBox::Yes) {
+        // TODO(cr7pt0gr4ph7): Implement an external restart handler that
+        // automatically restarts Mixxx here. Basically just a small
+        // cmdline application that, when invoked, forwards everything to the
+        // main Mixxx executable, but also listens for a a special restart flag.
+
+        // Set flag and exit out of Mixxx
+        m_pCoreServices->getSettings()->setValue(
+            mixxx::library::prefs::kRepairDatabaseOnNextRestartConfigKey,
+            true);
+        close();
+    }
+}
+
 void MixxxMainWindow::slotNoVinylControlInputConfigured() {
     if (m_noVinylInputDialog && m_noVinylInputDialog->isVisible()) {
         // Don't show redundant dialogs.

src/mixxxmainwindow.h

@@ -62,6 +62,8 @@ class MixxxMainWindow : public QMainWindow {
     void slotFileLoadSongPlayer(int deck);
     /// show the preferences dialog
     void slotOptionsPreferences();
+    /// set up a database repair for next start
+    void slotOptionsRepairDatabase();
     /// show the about dialog
     void slotHelpAbout();
     /// show popup with library scan results

src/widget/wmainmenubar.cpp

@@ -541,6 +541,14 @@ void WMainMenuBar::initialize() {
 
     pOptionsMenu->addSeparator();
 
+    QString repairDatabaseTitle = tr("Repair Database");
+    QString repairDatabaseText = tr("Restart Mixxx & repair database inconsistencies");
+    auto* pOptionsRepairDatabase = new QAction(repairDatabaseTitle, this);
+    pOptionsRepairDatabase->setStatusTip(repairDatabaseText);
+    pOptionsRepairDatabase->setWhatsThis(buildWhatsThis(repairDatabaseTitle, repairDatabaseText));
+    connect(pOptionsRepairDatabase, &QAction::triggered, this, &WMainMenuBar::repairDatabase);
+    pOptionsMenu->addAction(pOptionsRepairDatabase);
+
     QString preferencesTitle = tr("&Preferences");
     QString preferencesText = tr("Change Mixxx settings (e.g. playback, MIDI, controls)");
     auto* pOptionsPreferences = new QAction(preferencesTitle, this);

src/widget/wmainmenubar.h

@@ -65,6 +65,7 @@ class WMainMenuBar : public QMenuBar {
     void createPlaylist();
     void loadTrackToDeck(int deck);
     void reloadSkin();
+    void repairDatabase();
     void rescanLibrary();
 #ifdef __ENGINEPRIME__
     void exportLibrary();