public static function getByHandle($akHandle)
{
$ak = CacheLocal::getEntry('file_attribute_key_by_handle', $akHandle);
if (is_object($ak)) {
return $ak;
} else {
if ($ak == -1) {
return false;
}
}
$ak = -1;
$db = Loader::db();
$q = "SELECT ak.akID FROM AttributeKeys ak INNER JOIN AttributeKeyCategories akc ON ak.akCategoryID = akc.akCategoryID WHERE ak.akHandle = ? AND akc.akCategoryHandle = 'file'";
$akID = $db->GetOne($q, array($akHandle));
if ($akID > 0) {
$ak = self::getByID($akID);
} else {
// else we check to see if it's listed in the initial registry
$ia = FileTypeList::getImporterAttribute($akHandle);
if (is_object($ia)) {
// we create this attribute and return it.
$at = AttributeType::getByHandle($ia->akType);
$args = array('akHandle' => $akHandle, 'akName' => $ia->akName, 'akIsSearchable' => 1, 'akIsAutoCreated' => 1, 'akIsEditable' => $ia->akIsEditable);
$ak = static::add($at, $args);
}
}
CacheLocal::set('file_attribute_key_by_handle', $akHandle, $ak);
if ($ak === -1) {
return false;
}
return $ak;
}
