/**
* Return fields to be indexed in Solr
*
* @return string[]
*/
public function toSolrArray()
{
$data = [];
$lang = $this->getDefaultLanguage();
$title = $this->getTitle(false, $lang);
if ($this->getDriverParam('splitTitles', false)) {
$titlePart = MetadataUtils::splitTitle($title);
if ($titlePart) {
$data['description'] = $title;
$title = $titlePart;
}
}
$data['title'] = $data['title_short'] = $data['title_full'] = $title;
$allTitles = $this->getTitle(false);
foreach (explode('; ', $allTitles) as $title) {
if ($title != $data['title']) {
$data['title_alt'][] = $title;
}
}
$data['title_sort'] = $this->getTitle(true, $lang);
$description = $this->getDescription();
if ($description) {
if (!empty($data['description']) && strncmp($data['description'], $description, strlen($data['description']))) {
$data['description'] .= " -- {$description}";
} else {
$data['description'] = $description;
}
}
$data['format'] = $this->getObjectWorkType();
$data['institution'] = $this->getLegalBodyName();
$data['author'] = $this->getActor($this->mainEvent);
$data['author-letter'] = $data['author'];
$data['topic'] = $data['topic_facet'] = $this->getSubjectTerms();
$data['material'] = $this->getEventMaterials($this->mainEvent);
// This is just the display measurements! There's also the more granular
// form, which could be useful for some interesting things eg. sorting by
// size
$data['measurements'] = $this->getMeasurements();
$data['identifier'] = $this->getIdentifier();
$data['culture'] = $this->getCulture();
$data['rights'] = $this->getRights();
$data['era'] = $data['era_facet'] = $this->getEventDisplayDate($this->mainEvent);
$data['geographic_facet'] = [];
$eventPlace = $this->getEventDisplayPlace($this->usagePlaceEvent);
if ($eventPlace) {
$data['geographic_facet'][] = $eventPlace;
}
$data['geographic_facet'] = array_merge($data['geographic_facet'], $this->getSubjectDisplayPlaces());
$data['geographic'] = $data['geographic_facet'];
// Index the other place forms only to facets
$data['geographic_facet'] = array_merge($data['geographic_facet'], $this->getSubjectPlaces());
$data['collection'] = $this->getRelatedWorkDisplayObject($this->relatedWorkRelationTypes);
$urls = $this->getURLs();
if (count($urls)) {
// thumbnail field is not multivalued so can only store first image url
$data['thumbnail'] = $urls[0];
}
$data['allfields'] = $this->getAllFields($this->doc);
return $data;
}