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prevalidate agenda items on assign

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FinnStutzenstein 2018-11-29 08:42:16 +01:00
parent cfd5cf3c7e
commit 80fce9a173
1 changed files with 9 additions and 7 deletions
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16
openslides/agenda/views.py
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@ -386,33 +386,35 @@ class ItemViewSet(ListModelMixin, RetrieveModelMixin, UpdateModelMixin, GenericV
raise ValidationError({'detail': 'Parent item {} does not exist'.format(request.data['parent_id'])})
# Collect ancestors
ancestors = []
ancestors = [parent.pk]
grandparent = parent.parent
while grandparent is not None:
ancestors.append(grandparent.pk)
grandparent = grandparent.parent
item_result = []
# First validate all items before changeing them.
items = []
for item_id in request.data['items']:
# Prevent hierarchical loops.
if item_id == parent.pk or item_id in ancestors:
if item_id in ancestors:
raise ValidationError({'detail': 'Assigning item {} to one of its children is not possible.'.format(item_id)})
# Check every item
try:
item = Item.objects.get(pk=item_id)
items.append(Item.objects.get(pk=item_id))
except Item.DoesNotExist:
raise ValidationError({'detail': 'Item {} does not exist'.format(item_id)})
# OK, assign new parents.
for item in items:
# Assign new parent.
item.parent = parent
item.save(skip_autoupdate=True)
item_result.append(item)
# Now inform all clients.
inform_changed_data(item_result)
inform_changed_data(items)
# Send response.
return Response({
'detail': _('{number} items successfully assigned.').format(number=len(item_result)),
'detail': _('{number} items successfully assigned.').format(number=len(items)),
})