contacts_events-8.x-1.x-dev/modules/teams/src/Plugin/EntityReferenceSelection/TeamSelection.php

<?php

namespace Drupal\contacts_events_teams\Plugin\EntityReferenceSelection;

use Drupal\Component\Utility\Html;
use Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection;

/**
 * Ensures only active teams are available for selection.
 *
 * @EntityReferenceSelection(
 *   id = "active_teams:c_events_team",
 *   label = @Translation("Active Team selection"),
 *   entity_types = {"c_events_team"},
 *   group = "active_teams",
 *   weight = 1
 * )
 */
class TeamSelection extends DefaultSelection {

  /**
   * {@inheritdoc}
   */
  protected function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
    /** @var \Drupal\contacts_events\Entity\Ticket $ticket */
    $ticket = $this->configuration['entity'];
    $q = parent::buildEntityQuery($match, $match_operator);
    // Limit to teams that are for the same event.
    $q->condition('event', $ticket->event->target_id);

    // Limit to public teams unless the current user can manage all teams.
    if (!$this->currentUser->hasPermission('manage contacts events teams')) {
      $q->condition('public', TRUE);
    }

    $q->sort('name', 'ASC');
    return $q;
  }

  /**
   * {@inheritdoc}
   */
  public function getReferenceableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0) {
    $ticket = $this->configuration['entity'];
    $target_type = $this->getConfiguration()['target_type'];

    $query = $this->buildEntityQuery($match, $match_operator);
    if ($limit > 0) {
      $query->range(0, $limit);
    }

    $result = $query->execute();

    if (empty($result)) {
      return [];
    }

    $options = [];
    $entities = $this->entityTypeManager->getStorage($target_type)->loadMultiple($result);
    foreach ($entities as $entity_id => $team) {
      /** @var \Drupal\contacts_events_teams\Entity\Team $team */

      $ticket_dob = strtotime($ticket->date_of_birth->value);
      $event_date = strtotime($ticket->event->entity->date->value);

      // Check the minimum age.
      if ($team->age_min->value) {
        $min_dob = strtotime("- {$team->age_min->value} years", $event_date);
        if ($min_dob <= $ticket_dob) {
          continue;
        }
      }

      // Check the maximum age.
      if ($team->age_max->value) {
        $max_dob = strtotime("- {$team->age_max->value} years", $event_date);
        if ($max_dob > $ticket_dob) {
          continue;
        }
      }

      $bundle = $team->bundle();
      $options[$bundle][$entity_id] = Html::escape($this->entityRepository->getTranslationFromContext($team)->label());
    }

    return $options;
  }

}