public function actionDoi()
{
$doi = Yii::app()->request->getParam('doi');
$context = Yii::app()->request->getParam('context');
$ref = WebAPI::searchCrossRefDOI($doi);
if ($ref->type == 'journal-article' && $context == 'journal') {
$ref->authors = $ref->unmakeAuthors();
$this->renderJSON((array) $ref);
} else {
if ($ref->type == 'proceedings-article' && $context == 'proceeding') {
$ref->authors = $ref->unmakeAuthors();
$this->renderJSON((array) $ref);
} else {
throw new CHttpException(404, "Tidak ditemukan referensi dengan DOI tersebut.");
}
}
}