allow user to read privacy notice before accepting it

smash/web/middleware.py

@@ -22,7 +22,10 @@ class PrivacyNoticeMiddleware(MiddlewareMixin):
             worker = Worker.get_by_user(request.user)
             if worker is None:
                 return None
-            if study.study_privacy_notice and study.acceptance_of_study_privacy_notice_required and not worker.privacy_notice_accepted:
+            if study.study_privacy_notice \
+                    and study.acceptance_of_study_privacy_notice_required \
+                    and not worker.privacy_notice_accepted\
+                    and study.study_privacy_notice.document.url != request.path:
                 messages.add_message(request, messages.WARNING, "You can't use the system until you accept the privacy notice.")
                 #return reverse_lazy('web.views.accept_privacy_notice', kwargs={'pk': study.study_privacy_notice})
                 return redirect(reverse('web.views.accept_privacy_notice', kwargs={'pk': study.study_privacy_notice.id}))