public function delete($id, $company = null)
{
$this->db->trans_start();
$this->load->model("BookmarkModel");
$this->load->model("ApplicationModel");
# delete bookmark related by job
$bookmark = new BookmarkModel();
$bookmark->delete_by_job($id);
# delete application related by job
$application = new ApplicationModel();
$application->delete_by_job($id);
# remove the job itself
$condition = array(JobModel::$primary_key => $id);
if ($company != null) {
$condition["job_company"] = $company;
}
$this->db->delete(JobModel::$table_name, $condition);
$this->db->trans_complete();
return $this->db->trans_status();
}