jobiqo_synonyms.module

<?php

/**
 * @file
 * Module file for jobiqo_synonyms.
 */

declare(strict_types = 1);

use Drupal\Core\Field\FieldDefinitionInterface;

/**
 * Implements hook_jobiqo_autotagger_terms_alter().
 */
function jobiqo_synonyms_jobiqo_autotagger_terms_alter(array &$terms, string &$vocabulary): void {
  // Add synonyms to the terms array structure.
  $fields = \Drupal::service('entity_field.manager')
    ->getFieldDefinitions('taxonomy_term', $vocabulary);

  foreach ($fields as $field) {
    if ($field->getType() == 'jobiqo_synonyms') {
      jobiqo_synonyms_autotagger_merge_text_fields($terms, $vocabulary, $field);
    }
  }
}

/**
 * Queries and adds synonyms to the terms to autotag.
 *
 * @param array $terms
 *   The terms array to alter.
 * @param string $vocabulary
 *   The vocabulary for which the terms should be fetched.
 * @param \Drupal\Core\Field\FieldDefinitionInterface $field
 *   The field containing the terms.
 */
function jobiqo_synonyms_autotagger_merge_text_fields(array &$terms, string $vocabulary, FieldDefinitionInterface $field): void

  // @todo replace the hard coded field table and value column with the ones
  // fetched through the field definition storage or so.
  $sql = <<<EOF
SELECT tid, field_term_synonyms_synonym AS synonym FROM {taxonomy_term_field_data} AS t
LEFT JOIN taxonomy_term__field_term_synonyms AS s ON s.entity_id = t.tid
WHERE t.vid = :vocabulary
EOF;

  $rows = \Drupal::database()->query($sql, [
    ':vocabulary' => $vocabulary,
  ])->fetchAll();

  /** @var \stdClass $row */
  foreach ($rows as $row) {
    if (!empty($row->synonym)) {
      \Drupal::service('jobiqo_autotagger.autotagger')
        ->buildNamesArray($terms, $row->synonym, (int) $row->tid);
    }
  }
}