TermWeightWidgetOrderProcessor.php in Facets 8
File
src/Plugin/facets/processor/TermWeightWidgetOrderProcessor.php
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<?php
namespace Drupal\facets\Plugin\facets\processor;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\TypedData\ComplexDataDefinitionInterface;
use Drupal\Core\TypedData\DataReferenceDefinitionInterface;
use Drupal\facets\FacetInterface;
use Drupal\facets\Processor\SortProcessorPluginBase;
use Drupal\facets\Result\Result;
use Symfony\Component\DependencyInjection\ContainerInterface;
class TermWeightWidgetOrderProcessor extends SortProcessorPluginBase implements ContainerFactoryPluginInterface {
protected $entityTypeManager;
public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->entityTypeManager = $entity_type_manager;
}
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container
->get('entity_type.manager'));
}
public function sortResults(Result $a, Result $b) {
if (!isset($a->termWeight) || !isset($b->termWeight)) {
$ids = [];
if (!isset($a->termWeight)) {
$a_raw = $a
->getRawValue();
$ids[] = $a_raw;
}
if (!isset($b->termWeight)) {
$b_raw = $b
->getRawValue();
$ids[] = $b_raw;
}
$entities = $this->entityTypeManager
->getStorage('taxonomy_term')
->loadMultiple($ids);
if (!isset($a->termWeight)) {
if (empty($entities[$a_raw])) {
return 0;
}
$a->termWeight = $entities[$a_raw]
->getWeight();
}
if (!isset($b->termWeight)) {
if (empty($entities[$b_raw])) {
return 0;
}
$b->termWeight = $entities[$b_raw]
->getWeight();
}
}
if ($a->termWeight === $b->termWeight) {
return 0;
}
return $a->termWeight < $b->termWeight ? -1 : 1;
}
public function supportsFacet(FacetInterface $facet) {
$data_definition = $facet
->getDataDefinition();
if ($data_definition
->getDataType() === 'entity_reference') {
return TRUE;
}
if (!$data_definition instanceof ComplexDataDefinitionInterface) {
return FALSE;
}
$data_definition = $facet
->getDataDefinition();
$property_definitions = $data_definition
->getPropertyDefinitions();
foreach ($property_definitions as $definition) {
if ($definition instanceof DataReferenceDefinitionInterface && $definition
->getDataType() === 'entity_reference' && $definition
->getConstraint('EntityType') === 'taxonomy_term') {
return TRUE;
}
}
return FALSE;
}
}