def _update_tree_status(session, tree, status=None, reason=None, tags=[],
message_of_the_day=None):
'''Update the given tree's status; note that this does not commit
the session. Supply a tree object or name.
'''
if status is not None:
tree.status = status
if reason is not None:
tree.reason = reason
if message_of_the_day is not None:
tree.message_of_the_day = message_of_the_day
# log it if the reason or status have changed
if status or reason:
if status is None:
status = 'no change'
if reason is None:
reason = 'no change'
log = Log(tree=tree.tree,
when=_now(),
who=str(current_user),
status=status,
reason=reason,
tags=tags)
session.add(log)
cache.delete_memoized(v0_get_tree, tree.tree)
def _kill_tree(tree):
session = current_app.db.session
t = session.query(Tree).get(tree)
if not t:
raise NotFound('No such tree')
session.delete(t)
# delete from logs and change stack, too
Log.query.filter_by(tree=tree).delete()
StatusChangeTree.query.filter_by(tree=tree).delete()
session.commit()
cache.delete_memoized(v0_get_tree, tree)