PetRevisionController.php in Previewable email templates 8.3

Namespace

Drupal\pet\Controller

File

src/Controller/PetRevisionController.php

<?php

namespace Drupal\pet\Controller;

use Drupal\Component\Utility\Xss;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Drupal\Core\Url;
use Drupal\pet\Entity\PetInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Class PetRevisionController.
 *
 *  Returns responses for Pet revision routes.
 */
class PetRevisionController extends ControllerBase implements ContainerInjectionInterface {

  /**
   * The date formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;

  /**
   * Constructs a PetRevisionController object.
   *
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   */
  public function __construct(DateFormatterInterface $date_formatter) {
    $this->dateFormatter = $date_formatter;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('date.formatter'));
  }

  /**
   * Displays a Pet revision.
   *
   * @param int $pet_revision
   *   The Pet revision id.
   *
   * @return array
   *   An array suitable for drupal_render().
   */
  public function revisionShow($pet_revision) {

    /* @var \Drupal\pet\Entity\PetInterface $pet*/
    $pet = static::entityTypeManager()
      ->getStorage('pet')
      ->loadRevision($pet_revision);
    $view_builder = static::entityTypeManager()
      ->getViewBuilder('pet');
    return $view_builder
      ->view($pet);
  }

  /**
   * Page title callback for a Pet revision.
   *
   * @param int $pet_revision
   *   The Pet revision ID.
   *
   * @return string
   *   The page title.
   */
  public function revisionPageTitle($pet_revision) {

    /* @var \Drupal\pet\Entity\PetInterface $pet*/
    $pet = static::entityTypeManager()
      ->getStorage('pet')
      ->loadRevision($pet_revision);
    $date = $this->dateFormatter
      ->format($pet
      ->getRevisionCreationTime(), 'short');
    return $this
      ->t('Revision of %title from %date', [
      '%title' => $pet
        ->label(),
      '%date' => $date,
    ]);
  }

  /**
   * Generates an overview table of older revisions of a Pet.
   *
   * @param \Drupal\pet\Entity\PetInterface $pet
   *   A Pet object.
   *
   * @return array
   *   An array as expected by drupal_render().
   */
  public function revisionOverview(PetInterface $pet) {
    $account = $this
      ->currentUser();
    $langcode = $pet
      ->language()
      ->getId();
    $langname = $pet
      ->language()
      ->getName();
    $languages = $pet
      ->getTranslationLanguages();
    $has_translations = count($languages) > 1;

    /* @var \Drupal\pet\PetStorageInterface $pet_storage*/
    $pet_storage = static::entityTypeManager()
      ->getStorage('pet');
    $build['#title'] = $has_translations ? $this
      ->t('@langname revisions for %title', [
      '@langname' => $langname,
      '%title' => $pet
        ->label(),
    ]) : $this
      ->t('Revisions for %title', [
      '%title' => $pet
        ->label(),
    ]);
    $header = [
      $this
        ->t('Revision'),
      $this
        ->t('Operations'),
    ];
    $revert_permission = $account
      ->hasPermission("revert pet revisions") || $account
      ->hasPermission('administer pet entities');
    $delete_permission = $account
      ->hasPermission("delete pet revisions") || $account
      ->hasPermission('administer pet entities');
    $rows = [];
    $vids = $pet_storage
      ->revisionIds($pet);
    $latest_revision = TRUE;
    foreach (array_reverse($vids) as $vid) {

      /** @var \Drupal\pet\Entity\PetInterface $revision */
      $revision = $pet_storage
        ->loadRevision($vid);

      // Only show revisions that are affected by the language that is being
      // displayed.
      if ($revision
        ->hasTranslation($langcode) && $revision
        ->getTranslation($langcode)
        ->isRevisionTranslationAffected()) {
        $username = [
          '#theme' => 'username',
          '#account' => $revision
            ->getRevisionUser(),
        ];

        // Use revision link to link to revisions that are not active.
        $date = $this->dateFormatter
          ->format($revision
          ->getRevisionCreationTime(), 'short');
        if ($vid != $pet
          ->getRevisionId()) {
          $link = \Drupal::service('link_generator')
            ->generate($date, new Url('entity.pet.revision', [
            'pet' => $pet
              ->id(),
            'pet_revision' => $vid,
          ]));
        }
        else {
          $link = $pet
            ->toLink($date)
            ->toString();
        }
        $row = [];
        $column = [
          'data' => [
            '#type' => 'inline_template',
            '#template' => '{% trans %}{{ date }} by {{ username }}{% endtrans %}{% if message %}<p class="revision-log">{{ message }}</p>{% endif %}',
            '#context' => [
              'date' => $link,
              'username' => \Drupal::service('renderer')
                ->renderPlain($username),
              'message' => [
                '#markup' => $revision
                  ->getRevisionLogMessage(),
                '#allowed_tags' => Xss::getHtmlTagList(),
              ],
            ],
          ],
        ];
        $row[] = $column;
        if ($latest_revision) {
          $row[] = [
            'data' => [
              '#prefix' => '<em>',
              '#markup' => $this
                ->t('Current revision'),
              '#suffix' => '</em>',
            ],
          ];
          foreach ($row as &$current) {
            $current['class'] = [
              'revision-current',
            ];
          }
          $latest_revision = FALSE;
        }
        else {
          $links = [];
          if ($revert_permission) {
            $params = [
              'pet' => $pet
                ->id(),
              'pet_revision' => $vid,
            ];
            if ($has_translations) {
              $params += [
                'langcode' => $langcode,
              ];
            }
            $links['revert'] = [
              'title' => $this
                ->t('Revert'),
              'url' => $has_translations ? Url::fromRoute('entity.pet.revision_revert_translation_confirm', $params) : Url::fromRoute('entity.pet.revision_revert_confirm', $params),
            ];
          }
          if ($delete_permission) {
            $links['delete'] = [
              'title' => $this
                ->t('Delete'),
              'url' => Url::fromRoute('entity.pet.revision_delete_confirm', [
                'pet' => $pet
                  ->id(),
                'pet_revision' => $vid,
              ]),
            ];
          }
          $row[] = [
            'data' => [
              '#type' => 'operations',
              '#links' => $links,
            ],
          ];
        }
        $rows[] = $row;
      }
    }
    $build['pet_revisions_table'] = [
      '#theme' => 'table',
      '#rows' => $rows,
      '#header' => $header,
    ];
    return $build;
  }

}

Classes

Name	Description
PetRevisionController	Class PetRevisionController.