Hook maximum allowed rating into the configuration

I wonder if max posts should be a setter in DanbooruService...

src/mainwindow.cpp

@@ -45,6 +45,12 @@
 namespace Danbooru
 {
 
+QHash<int, DanbooruPost::Rating> DanbooruMainWindow::ratingMap = {
+    {0, DanbooruPost::Safe},
+    {1, DanbooruPost::Questionable},
+    {2, DanbooruPost::Explicit}
+};
+
 DanbooruMainWindow::DanbooruMainWindow(QWidget *parent)
     : KXmlGuiWindow(parent),
       m_view(new QQuickWidget(this)),
@@ -177,15 +183,16 @@ void DanbooruMainWindow::optionsPreferences()
     KConfigDialog* dialog = new KConfigDialog(this, "danboorusettings",
                                               DanbooruSettings::self());
 
-    auto prefs = DanbooruSettings::self();
-    qDebug() << prefs->boards() << "boards!";
-    dialog->addPage(new GeneralPage(DanbooruSettings::self(), this), i18n("General"));
+    dialog->addPage(new GeneralPage(DanbooruSettings::self(), this), i18n("General"),
+        "table");
     connect(dialog, &KConfigDialog::settingsChanged, [this](){
         auto preferences = DanbooruSettings::self();
         qDebug() << preferences->boards();
         qDebug() << preferences->cacheSize();
         qDebug() << preferences->maxPosts();
         qDebug() << preferences->tagBlacklist();
+        qDebug() << preferences->maxRating();
+        m_service->setMaximumAllowedRating(ratingMap.value(preferences->maxRating()));
     });
     dialog->show();
 }

src/mainwindow.h

@@ -27,6 +27,7 @@
 #include <KSharedDataCache>
 #include <KImageCache>
 
+#include "libdanbooru/danboorupost.h"
 
 class QQuickWidget;
 
@@ -75,6 +76,7 @@ private:
     DanbooruService *m_service;
     DanbooruConnectWidget *m_connectWidget;
     KImageCache *m_cache;
+    static QHash<int, DanbooruPost::Rating> ratingMap;
 
 };
 } // namespace Danbooru