/**
* Get an array of all series names containing the record. Array entries may
* be either the name string, or an associative array with 'name' and 'number'
* keys.
*
* @return array
*/
public function getSeries()
{
$matches = [];
// First check the 440, 800 and 830 fields for series information:
$primaryFields = ['440' => ['a', 'p'], '800' => ['a', 'b', 'c', 'd', 'f', 'p', 'q', 't'], '830' => ['a', 'p']];
$matches = $this->getSeriesFromMARC($primaryFields);
if (!empty($matches)) {
return $matches;
}
// Now check 490 and display it only if 440/800/830 were empty:
$secondaryFields = ['490' => ['a']];
$matches = $this->getSeriesFromMARC($secondaryFields);
if (!empty($matches)) {
return $matches;
}
// Still no results found? Resort to the Solr-based method just in case!
return parent::getSeries();
}
