def leaveGroup(self, groupName):
group_id = Group.getGroupId(groupName)
sql = "DELETE FROM `user-groups` WHERE `user_id` = %s AND `group_id` = %s "
User.cursor.execute(sql, (self.id,group_id))
def joinGroup(self,groupName):
group_id = Group.getGroupId(groupName)
sql = "INSERT INTO `user-groups` SET `user_id` = %s ,`group_id` = %s "
User.cursor.execute(sql, (self.id,group_id))
