Containers: reverse location and responsible for index management

1 files changed, 2 insertions, 2 deletions

diff --git a/archaeological_warehouse/models.py b/archaeological_warehouse/models.py
index c3c159550..ef548425b 100644
--- a/archaeological_warehouse/models.py
+++ b/archaeological_warehouse/models.py
@@ -158,7 +158,7 @@ class Container(LightHistorizedItem):
         related_name='containers')
     responsible = models.ForeignKey(
         Warehouse, verbose_name=_(u"Responsible warehouse"),
-        related_name='owned_containers', blank=True, null=True)
+        related_name='owned_containers')
     container_type = models.ForeignKey(ContainerType,
                                        verbose_name=_("Container type"))
     reference = models.CharField(_(u"Container ref."), max_length=40)
@@ -216,7 +216,7 @@ class Container(LightHistorizedItem):
 
         if not self.index:
             self.skip_history_when_saving = True
-            q = Container.objects.filter(location=self.location).order_by(
+            q = Container.objects.filter(responsible=self.responsible).order_by(
                 '-index')
             if q.count():
                 self.index = q.all()[0].index + 1