/**
* Remove one or more citations
*
* @return void
*/
public function removeTask()
{
// Incoming (we're expecting an array)
$ids = Request::getVar('id', array());
if (!is_array($ids)) {
$ids = array($ids);
}
// Make sure we have IDs to work with
if (count($ids) > 0) {
// Loop through the IDs and delete the citation
$citation = new Citation($this->database);
$assoc = new Association($this->database);
$author = new Author($this->database);
foreach ($ids as $id) {
// Fetch and delete all the associations to this citation
$assocs = $assoc->getRecords(array('cid' => $id));
foreach ($assocs as $a) {
$assoc->delete($a->id);
}
// Fetch and delete all the authors to this citation
$authors = $author->getRecords(array('cid' => $id));
foreach ($authors as $a) {
$author->delete($a->id);
}
// Delete the citation
$citation->delete($id);
//citation tags
$ct = new Tags($id);
$ct->removeAll();
}
$message = Lang::txt('CITATION_REMOVED');
} else {
$message = Lang::txt('NO_SELECTION');
}
// Redirect
App::redirect(Route::url('index.php?option=' . $this->_option . '&controller=' . $this->_controller, true), $message);
}
/**
* Download a batch of entries
*
* @return void
*/
public function downloadbatchTask()
{
// get the submit buttons value
$download = Request::getVar('download', '');
$no_html = Request::getVar('no_html', 0);
// get the citations we want to export
$citationsString = Request::getVar('idlist', '');
$citations = explode('-', $citationsString);
// return to browse mode if we really dont wanna download
if (strtolower($download) != 'endnote' && strtolower($download) != 'bibtex') {
if (!$no_html) {
return $this->displayTask();
} else {
return json_encode(array('status' => '1'));
}
}
// var to hold output
$doc = '';
// for each citation we want to downlaod
foreach ($citations as $c) {
$cc = new Citation($this->database);
$cc->load($c);
//get the badges
$ct = new Tags($cc->id);
$cc->badges = $ct->render('string', array('label' => 'badge'));
$cd = new Download();
$cd->setFormat(strtolower($download));
$doc .= $cd->formatReference($cc) . "\r\n\r\n";
$mine = $cd->getMimeType();
}
$ext = strtolower($download) == 'bibtex' ? '.bib' : '.enw';
// filename
$filename = 'citations_export_' . strtolower($download) . '_' . Date::of('now')->format('Y_m_d') . $ext;
// output file
header('Content-Type: application/octet-stream');
header('Content-Disposition: Attachment; filename=' . $filename);
header('Pragma: no-cache');
echo $doc;
exit;
}
/**
* Add tags to a citation
*
* @param integer $userid User ID
* @param integer $objectid Citation ID
* @param string $tag_string Comma separated list of tags
* @param string $label Label
* @return void
*/
protected function tag($userid, $objectid, $tag_string, $label)
{
if ($tag_string) {
$ct = new Tables\Tags($objectid);
$ct->setTags($tag_string, $userid, 0, 1, $label);
}
}
