def delete_contactgroups(self, modifier_id, contact_id=None, group_id=None):
if contact_id is None and group_id is None:
raise CoreError("the contact_id and group_id can't be None at the same time.")
query = ContactGroup.all()
if contact_id != None:
query.filter("contact_id =", contact_id)
if group_id != None:
query.filter("group_id =", group_id)
query.delete(modifier_id)
return True
def fetch_contactgroups(self, contact_id=None, group_id=None):
if contact_id is None and group_id is None:
raise CoreError("contact_id and group_id can't be None at the same time.")
query = ContactGroup.all()
if contact_id != None:
query.filter("contact_id =", contact_id)
if group_id != None:
query.filter("group_id =", group_id)
query.order("contact_id")
cgs = query.fetch()
return cgs
