private function ReferenceFinder::findTermReferenceFieldsForEntityType in Term reference change 8

Finds all term reference fields for a given entity type.

Parameters

string $entityType: The entity type name.

Return value

array The term reference fields keyed by their respective bundle.

1 call to ReferenceFinder::findTermReferenceFieldsForEntityType()

ReferenceFinder::findTermReferenceFields in src/ReferenceFinder.php

Finds all term reference fields.

File

src/ReferenceFinder.php, line 146

Class

ReferenceFinder

Finds entities referencing a term.

Namespace

Drupal\term_reference_change

Code

private function findTermReferenceFieldsForEntityType($entityType) {
  $bundleNames = array_keys($this->entityTypeBundleInfo
    ->getBundleInfo($entityType));
  $referenceFields = [];
  foreach ($bundleNames as $bundleName) {
    $fieldDefinitions = $this->entityFieldManager
      ->getFieldDefinitions($entityType, $bundleName);
    foreach ($fieldDefinitions as $fieldDefinition) {
      if ($fieldDefinition
        ->getType() !== 'entity_reference') {
        continue;
      }
      if ($fieldDefinition
        ->getSetting('target_type') !== 'taxonomy_term') {
        continue;
      }
      if ($fieldDefinition
        ->isComputed()) {
        continue;
      }

      // Exclude parent fields because they cause fatal errors during the
      // query. This is because they are currently a special case.
      // @see https://www.drupal.org/node/2543726
      if ($fieldDefinition
        ->getName() === 'parent') {
        continue;
      }
      $referenceFields[$bundleName][] = $fieldDefinition
        ->getName();
    }
  }
  return $referenceFields;
}