/** @param params the parameters to match against
@param defaults the default values to be passed to upsert
@return returns the primary key for a model using cached results */
public function identifier($params, $defaults = array())
{
$key = $this->key($params);
if (!isset($this->cache[$key])) {
$model = $this->model;
$changes = array("summary" => "none");
$obj = $this->readonly ? new $this->model($this->db->filter($params)) : $model::upsert($this->db->filter($params), $params, $defaults, $changes);
$this->cache[$key] = $obj->primaryKey();
if ($changes["summary"] == "new") {
DTLog::info(DTLog::colorize("New object '{$model}' ({$this->cache[$key]})", "warn"));
DTLog::info($changes);
}
}
return $this->cache[$key];
}
