From a30de7e84c7c7208f76178586befe5374cd1e02d Mon Sep 17 00:00:00 2001
From: Alban Gruin
Date: Fri, 29 Sep 2017 14:33:55 +0200
Subject: Affichage des cours des groupes enfants si le groupe demandé en
 possède

---
 models.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/models.py b/models.py
index 0625e34..cca4df8 100644
--- a/models.py
+++ b/models.py
@@ -144,11 +144,17 @@ class Room(models.Model):
 
 class CourseManager(Manager):
     def get_courses_for_group(self, group, **criteria):
+        groups_criteria = []
+        if group.subgroup is not None:
+            groups_criteria.append(Q(groups__subgroup__isnull=True) | \
+                                   Q(groups__subgroup=group.subgroup))
+        if group.td is not None:
+            groups_criteria.append(Q(groups__td__isnull=True) | Q(groups__td=group.td))
+        if group.tp is not None:
+            groups_criteria.append(Q(groups__tp__isnull=True) | Q(groups__tp=group.tp))
+
         return self.get_queryset() \
-                   .filter(Q(groups__td__isnull=True) | Q(groups__td=group.td),
-                           Q(groups__tp__isnull=True) | Q(groups__tp=group.tp),
-                           Q(groups__subgroup__isnull=True) | \
-                           Q(groups__subgroup=group.subgroup),
+                   .filter(*groups_criteria,
                            groups__mention=group.mention,
                            timetable=group.timetable, **criteria) \
                    .order_by("begin")
-- 
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