more_fields-2.2.19/src/Plugin/views/filter/MoreFieldsSearchApiOptions.php

<?php

namespace Drupal\more_fields\Plugin\views\filter;

use Drupal\Core\Form\FormStateInterface;
use Drupal\views\Plugin\views\filter\ManyToOne;
use Drupal\Core\Entity\Element\EntityAutocomplete;
use Drupal\taxonomy\Entity\Term;
use Drupal\search_api\Entity\Index;
use Drupal\Core\Entity\Query\QueryInterface;
use Drupal\Component\Utility\Timer;
use Drupal\mysql\Driver\Database\mysql\Select;
use Drupal\more_fields\Plugin\Field\FieldFormatter\restrainedTextLongFormatter;

/**
 * Filter by term id.
 * Permet de retouner les items de taxonomie possedant au moins une entité.
 * plugin : search_api_term
 *
 * @ingroup views_filter_handlers
 *
 * @ViewsFilter("more_fields_search_api_options")
 */
class MoreFieldsSearchApiOptions extends ManyToOne {
  
  use MoreFieldsBaseFilterSearchApi;
  
  /**
   * Adds a form for entering the value or values for the filter.
   *
   * Overridden to remove fields that won't be used (but aren't hidden either
   * because of a small bug/glitch in the original form code – see #2637674).
   *
   * @param array $form
   *        The form array, passed by reference.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *        The current state of the form.
   *        
   * @see \Drupal\views\Plugin\views\filter\FilterPluginBase::valueForm()
   */
  protected function valueForm(&$form, FormStateInterface $form_state) {
    parent::valueForm($form, $form_state);
    
    if (isset($form['value']['min']) && !$this->operatorValues(2)) {
      unset($form['value']['min'], $form['value']['max']);
    }
    if (!empty($form['value']['#options']))
      $this->restrainValues($form);
  }
  
  /**
   * Affiche uniquement les valeurs possedant au moins un contenu
   * NB: cette fonction n'impacte pas les resultats de recherche mais modifie
   * simplement les termes afficher à l'utilisateur..
   */
  protected function restrainValues(&$form) {
    /**
     *
     * @var Select $select_query
     */
    $select_query = $this->buildBaseQuery();
    $this->buildAnothersQuery($select_query);
    $results = $select_query->execute()->fetchAll(\PDO::FETCH_ASSOC);
    // dump($this->realField, $select_query->__toString());
    // /**
    // *
    // * @var \Drupal\search_api\Plugin\views\filter\SearchApiOptions
    // $currentFilter
    // */
    // $currentFilter = $this->view->filter[$this->realField];
    // dump($select_query->__toString(), $currentFilter);
    // $this->buildCondition($select_query, $base_table,
    // $currentFilter->realField, $currentFilter->options['value'],
    // $currentFilter->operator);
    
    $newOptions = [];
    $oldOptions = $form['value']['#options'];
    if ($results) {
      foreach ($results as $result) {
        if (isset($oldOptions[$result[$this->realField]])) {
          $newOptions[$result[$this->realField]] = $oldOptions[$result[$this->realField]];
        }
      }
    }
    // dd($newOptions);
    $form['value']['#options'] = $newOptions;
  }
  
}