Fix problems with missing safety checks in Render::fillBuffer and pdfcomic

YACReaderLibrary/yacreader_comic_info_helper.cpp

@@ -0,0 +1,45 @@
+#include "yacreader_comic_info_helper.h"
+
+
+
+#include "comic_model.h"
+
+
+
+YACReaderComicInfoHelper::YACReaderComicInfoHelper(QObject *parent)
+    : QObject(parent), model(nullptr)
+{
+
+}
+
+void YACReaderComicInfoHelper::setModel(ComicModel *model)
+{
+    this->model = model;
+}
+
+void YACReaderComicInfoHelper::rate(int index, int rating)
+{
+    if(model != nullptr)
+        model->updateRating(rating,model->index(index,0));
+}
+
+void YACReaderComicInfoHelper::setRead(int index, bool read)
+{
+    YACReaderComicReadStatus status;
+    read ? (status = YACReaderComicReadStatus::Read) : (status = YACReaderComicReadStatus::Unread);
+
+    if(model != nullptr)
+        model->setComicsRead(QModelIndexList() << model->index(index, 0), status);
+}
+
+void YACReaderComicInfoHelper::addToFavorites(int index)
+{
+    if(model != nullptr)
+        model->addComicsToFavorites(QModelIndexList() << model->index(index, 0));
+}
+
+void YACReaderComicInfoHelper::removeFromFavorites(int index)
+{
+    if(model != nullptr)
+        model->deleteComicsFromFavorites(QModelIndexList() << model->index(index, 0));
+}