/**
* @param \ORM\Model $record
* @return bool|mixed
*/
function validate(\ORM\Model $record)
{
$class_name = $record::className();
if ($record->isPersisted()) {
return count($class_name::where($this->field . " = ? AND " . $class_name::getPrimaryKey() . " != ?", [$record->{$this->field}, $record->{$class_name::getPrimaryKey()}])) === 0;
} else {
return count($class_name::where($this->field . " = ?", [$record->{$this->field}])) === 0;
}
}