From 8cd40466e5b1ef9f00cf88c9375289d235abc009 Mon Sep 17 00:00:00 2001
From: Alban Gruin
Date: Sun, 26 Nov 2017 14:27:16 +0100
Subject: Optimisation de la requête utilisée pour savoir si il y a des cours
 sur la semaine sélectionnée (utilisation de exists() au lieu de count())

---
 views.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/views.py b/views.py
index 4431891..c647fac 100644
--- a/views.py
+++ b/views.py
@@ -77,7 +77,7 @@ def timetable(request, year_slug, timetable_slug, group_slug, year=None, week=No
     group = get_object_or_404(Group, slug=group_slug, timetable=timetable)
 
     courses = Course.objects.get_courses_for_group(group, begin__gte=start, begin__lt=end)
-    if courses.count() == 0 and provided_week:
+    if not courses.exists() and provided_week:
         raise Http404
 
     last_update = courses.aggregate(Max("last_update"))["last_update__max"]
-- 
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