예제 #1
0
파일: Record.php 프로젝트: jriedl/vufind
 /**
  * Collects ISBN, LCCN, and OCLC numbers to use in calling preview APIs
  *
  * @return array
  */
 public function getPreviewIds()
 {
     // Extract identifiers from record driver if it supports appropriate methods:
     $isbn = is_callable([$this->driver, 'getCleanISBN']) ? $this->driver->getCleanISBN() : '';
     $lccn = is_callable([$this->driver, 'getLCCN']) ? $this->driver->getLCCN() : '';
     $oclc = is_callable([$this->driver, 'getOCLC']) ? $this->driver->getOCLC() : [];
     // Turn identifiers into class names to communicate with jQuery logic:
     $idClasses = [];
     if (!empty($isbn)) {
         $idClasses[] = 'ISBN' . $isbn;
     }
     if (!empty($lccn)) {
         $idClasses[] = 'LCCN' . $lccn;
     }
     if (!empty($oclc)) {
         foreach ($oclc as $oclcNum) {
             if (!empty($oclcNum)) {
                 $idClasses[] = 'OCLC' . $oclcNum;
             }
         }
     }
     return $idClasses;
 }