+
+def get_media_entry_by_id(controller):
+ """
+ Pass in a MediaEntry based off of a url component
+ """
+ def wrapper(request, *args, **kwargs):
+ try:
+ media = request.db.MediaEntry.find_one(
+ {'_id': ObjectId(request.matchdict['media']),
+ 'state': 'processed'})
+ except InvalidId:
+ return render_404(request)
+
+ # Still no media? Okay, 404.
+ if not media:
+ return render_404(request)
+
+ return controller(request, media=media, *args, **kwargs)
+
+ return _make_safe(wrapper, controller)
+