/**
* Construct a JSON string to use for AJAX communication
* @return string
*/
function getString()
{
// Construct an associative array that contains all information we require.
$jsonObject = array('status' => $this->getStatus(), 'content' => $this->getContent(), 'elementId' => $this->getElementId());
if (is_array($this->getAdditionalAttributes())) {
foreach ($this->getAdditionalAttributes() as $key => $value) {
$jsonObject[$key] = $value;
}
}
if (is_array($this->getEvent())) {
$jsonObject['event'] = $this->getEvent();
}
// Encode the object.
import('lib.pkp.classes.core.JSONManager');
$jsonManager = new JSONManager();
return $jsonManager->encode($jsonObject);
}
/**
* Build the required article information for the
* metrics visualization.
* @param $article PublishedArticle
* @return string JSON response
*/
function _buildRequiredArticleInfoJson($article)
{
if ($article->getDatePublished()) {
$datePublished = $article->getDatePublished();
} else {
// Sometimes there is no article getDatePublished, so fallback on the issue's
$issueDao =& DAORegistry::getDAO('IssueDAO');
/* @var $issueDao IssueDAO */
$issue =& $issueDao->getIssueByArticleId($article->getId(), $article->getJournalId());
$datePublished = $issue->getDatePublished();
}
$response = array(array('publication_date' => date('c', strtotime($datePublished)), 'doi' => $article->getPubId('doi'), 'title' => $article->getLocalizedTitle(), 'sources' => array()));
$jsonManager = new JSONManager();
return $jsonManager->encode($response);
}
