i should break these commits up

atlas/helpers.py

@@ -0,0 +1,10 @@
+from atlas.models import Case
+
+def get_cases_available_to_user(user):
+    """Returns a queryset of cases available to the user"""
+    queryset = Case.objects.filter(author=user) | Case.objects.filter(open_access=True)
+    return queryset.order_by("pk")
+    if user.is_superuser:
+        return Case.objects.all()
+    else:
+        return Case.objects.filter(author=user) | Case.objects.filter(open_access=True)