public static function searchCrossRefDOI($doi)
{
$doi = preg_replace('!\\s+!', ' ', $doi);
$url = "http://api.crossref.org/works/" . $doi;
$apiRequest = Yii::app()->curl->run($url);
if ($apiRequest->hasErrors()) {
throw new CHttpException(500, 'Gagal menghubungi server CrossRef');
} else {
$apiResponse = CJSON::decode($apiRequest->getData());
if ($apiResponse === null) {
throw new CHttpException(404, "Tidak ditemukan hasil dari CrossRef");
}
$refType = $apiResponse['message']['type'];
$ref = new Reference();
switch ($refType) {
case 'journal-article':
return $ref->createJournal($apiResponse['message']);
case 'proceedings-article':
return $ref->createProceeding($apiResponse['message']);
case 'book-chapter':
return $ref->createBookChapter($apiResponse['message']);
case 'reference-entry':
return $ref->createBookChapter($apiResponse['message']);
default:
throw new CHttpException(404, "Tidak ditemukan hasil dari CrossRef");
}
}
}
