def schedule_meta_create(schedule_id, values):
session = get_session()
_schedule_get_by_id(schedule_id, session)
meta_ref = models.ScheduleMetadata()
values['schedule_id'] = schedule_id
meta_ref.update(values)
try:
meta_ref.save(session=session)
except sqlalchemy.exc.IntegrityError:
raise exception.Duplicate()
return _schedule_meta_get(schedule_id, values['key'])
def _schedule_metadata_update_in_place(schedule, metadata):
new_meta = {}
for item in metadata:
new_meta[item['key']] = item['value']
to_delete = []
for meta in schedule.schedule_metadata:
if not meta['key'] in new_meta:
to_delete.append(meta)
else:
meta['value'] = new_meta[meta['key']]
del new_meta[meta['key']]
for key, value in new_meta.iteritems():
meta_ref = models.ScheduleMetadata()
meta_ref.key = key
meta_ref.value = value
schedule.schedule_metadata.append(meta_ref)
for meta in to_delete:
schedule['schedule_metadata'].remove(meta)
def _set_schedule_metadata(schedule_ref, metadata):
for metadatum in metadata:
metadata_ref = models.ScheduleMetadata()
metadata_ref.update(metadatum)
schedule_ref.schedule_metadata.append(metadata_ref)