/**
* Add new citation
*
* @return void
*/
public function addItem($manifest, $blockId, $pub, $actor = 0, $elementId = 0, $cid = 0)
{
$cite = Request::getVar('cite', array(), 'post', 'none', 2);
$new = $cite['id'] ? false : true;
if (!$cite['type'] || !$cite['title']) {
$this->setError(Lang::txt('PLG_PROJECTS_PUBLICATIONS_CITATIONS_ERROR_MISSING_REQUIRED'));
return false;
}
$citation = new \Components\Citations\Tables\Citation($this->_parent->_db);
if (!$citation->bind($cite)) {
$this->setError($citation->getError());
return false;
}
$citation->created = $new ? Date::toSql() : $citation->created;
$citation->uid = $new ? $actor : $citation->uid;
$citation->published = 1;
if (!$citation->store(true)) {
// This really shouldn't happen.
$this->setError(Lang::txt('PLG_PROJECTS_PUBLICATIONS_CITATIONS_ERROR_SAVE'));
return false;
}
// Create association
if ($new == true && $citation->id) {
$assoc = new \Components\Citations\Tables\Association($this->_parent->_db);
$assoc->oid = $pub->id;
$assoc->tbl = 'publication';
$assoc->type = 'owner';
$assoc->cid = $citation->id;
// Store new content
if (!$assoc->store()) {
$this->setError($assoc->getError());
return false;
}
}
$this->set('_message', Lang::txt('PLG_PROJECTS_PUBLICATIONS_CITATIONS_SUCCESS_SAVE'));
return true;
}
/**
* Attach citation
*
* @return boolean
*/
public function attachCitation($pid = 0, $doi = NULL, $format = 'apa', $actor = 0, $returnStatus = false)
{
include_once PATH_CORE . DS . 'components' . DS . 'com_citations' . DS . 'tables' . DS . 'citation.php';
include_once PATH_CORE . DS . 'components' . DS . 'com_citations' . DS . 'tables' . DS . 'association.php';
include_once PATH_CORE . DS . 'components' . DS . 'com_citations' . DS . 'tables' . DS . 'type.php';
include_once PATH_CORE . DS . 'components' . DS . 'com_citations' . DS . 'helpers' . DS . 'format.php';
$out = array('error' => NULL, 'success' => NULL);
if (!$doi || !$pid) {
$this->setError(Lang::txt('PLG_PROJECTS_LINKS_NO_DOI'));
if ($returnStatus) {
$out['error'] = $this->getError();
return $out;
}
return false;
}
$database = App::get('db');
$c = new \Components\Citations\Tables\Citation($database);
if ($c->loadPubCitation($doi, $pid)) {
$this->setError(Lang::txt('PLG_PROJECTS_LINKS_CITATION_ALREADY_ATTACHED'));
if ($returnStatus) {
$out['error'] = $this->getError();
return $out;
}
return false;
} else {
// Get DOI preview
$output = self::parseUrl($doi, true, true, $format);
$output = json_decode($output);
if (isset($output->error) && $output->error) {
$this->setError($output->error);
if ($returnStatus) {
$out['error'] = $this->getError();
return $out;
}
return false;
} elseif (isset($output->preview) && $output->preview) {
// Load citation record with the same DOI if present
if (!$c->loadByDoi($doi)) {
$c->created = Date::toSql();
$c->title = $doi;
$c->uid = $actor;
$c->affiliated = 1;
}
$c->formatted = $output->preview;
$c->format = $format;
$c->doi = $doi;
// Try getting more metadata
$url = '';
$data = self::getDoiMetadata($doi, false, $url);
// Save available data
if ($data) {
foreach ($c as $key => $value) {
$column = strtolower($key);
if (isset($data->{$column})) {
$c->{$column} = $data->{$column};
}
}
// Some extra mapping hacks
$c->pages = $data->page;
// Get type ID
$ct = new \Components\Citations\Tables\Type($database);
$types = $ct->getType();
$dType = isset($data->type) ? $data->type : 'article';
// Hub types don't match library types
// Trying to match the best we can
$validTypes = array();
foreach ($types as $type) {
if ($type['type'] == $dType) {
$c->type = $type['id'];
} elseif ($type['type'] == 'article') {
$validTypes['journal-article'] = $type['id'];
} elseif ($type['type'] == 'chapter') {
$validTypes['book-chapter'] = $type['id'];
} elseif ($type['type'] == 'inproceedings') {
$validTypes['proceedings'] = $type['id'];
}
}
if (isset($validTypes[$dType])) {
$c->type = $validTypes[$dType];
} elseif (!intval($c->type)) {
// Default to article
$c->type = $validTypes['journal-article'];
}
}
if (!$c->store()) {
$this->setError(Lang::txt('PLG_PROJECTS_LINKS_CITATION_ERROR_SAVE'));
if ($returnStatus) {
$out['error'] = $this->getError();
return $out;
}
return false;
}
// Create association
if ($c->id) {
$assoc = new \Components\Citations\Tables\Association($database);
$assoc->oid = $pid;
$assoc->tbl = 'publication';
$assoc->type = 'owner';
$assoc->cid = $c->id;
// Store new content
if (!$assoc->store()) {
$this->setError($assoc->getError());
if ($returnStatus) {
$out['error'] = $this->getError();
return $out;
}
return false;
}
}
} else {
$this->setError(Lang::txt('PLG_PROJECTS_LINKS_CITATION_COULD_NOT_LOAD'));
if ($returnStatus) {
$out['error'] = $this->getError();
return $out;
}
return false;
}
}
if ($returnStatus) {
$out['success'] = true;
return $out;
}
return true;
}