thumbnail and overview

generic/models.py

@@ -231,6 +231,29 @@ class QuestionBase(models.Model, AuthorMixin, QuestionMixin):
 
         return False
 
+    def get_thumbnail(self, recreate=False, fail_loudly=False):
+        images = self.images.all()
+
+        if len(images) < 1:
+            return "No images", 0
+
+        img = findMiddle(images).image
+        try:
+            thumbnailer = get_thumbnailer(img)
+            if recreate:
+                thumbnailer.delete_thumbnails()
+            thumbnail = thumbnailer["exam-list"]
+
+        except InvalidImageFormatError as e:
+            if fail_loudly:
+                raise e
+            return format_html(
+                '<img title="{}" src="/static/not-found-image.jpg" />', img
+            ), len(images)
+        return format_html('<span style="border: 1px solid;"><img src="/media/{}" /></span>', thumbnail), len(images)
+
+
+
 
 class SeriesImageBase(models.Model):
     """