def update_tag(self, context, resource, resource_id, tag):
res = self._get_resource(context, resource, resource_id)
if any(tag == tag_db.tag for tag_db in res.standard_attr.tags):
return
try:
tag_obj.Tag(context, standard_attr_id=res.standard_attr_id,
tag=tag).create()
except obj_exc.NeutronDbObjectDuplicateEntry:
pass
def _save_tag(self, tags, standard_attr_id):
ctx = context.get_admin_context()
ret = []
for tag in tags:
_tag_obj = tag_obj.Tag(ctx,
standard_attr_id=standard_attr_id,
tag=tag)
_tag_obj.create()
ret.append(_tag_obj)
return ret
def update_tags(self, context, resource, resource_id, body):
with db_api.context_manager.writer.using(context):
# We get and do all operations with objects in one session
res = self._get_resource(context, resource, resource_id)
new_tags = set(body['tags'])
old_tags = {tag_db.tag for tag_db in res.standard_attr.tags}
tags_added = new_tags - old_tags
tags_removed = old_tags - new_tags
tag_obj.Tag.delete_objects(context, tag=[
tag_db.tag
for tag_db in res.standard_attr.tags
if tag_db.tag in tags_removed
])
for tag in tags_added:
tag_obj.Tag(context, standard_attr_id=res.standard_attr_id,
tag=tag).create()
return body
def _save_tag(self, tags, standard_attr_id):
ctx = context.get_admin_context()
for tag in tags:
tag_obj.Tag(ctx, standard_attr_id=standard_attr_id,
tag=tag).create()
def add_tags(self, context, standard_attr_id, tags):
for tag in tags:
tag_obj.Tag(context, standard_attr_id=standard_attr_id,
tag=tag).create()
