content_direct.module

<?php

/**
 * @file
 * Content Direct module file.
 */

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Url;

/**
 * Implements hook_help().
 */
function content_direct_help($route_name) {
  switch ($route_name) {
    case 'content_direct.help':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('This is the help docs for Content Direct, see <a href="!content_direct-module">the online documentation</a></p>');
      return $output;
  }
}

/**
 * Implements hook_entity_operation().
 */
function content_direct_entity_operation(EntityInterface $entity) {
  $operations = array();
  if (\Drupal::currentUser()->hasPermission('use_content_direct')) {
    $entity_type = $entity->getEntityType()->id();
    $action_routes = array(
      'node' => 'content_direct.node_actions',
      'file' => 'content_direct.file_actions',
    );
    // Add one of the action routes if one of the Entities.
    if (array_key_exists($entity_type, $action_routes)) {
      $operations['content_direct'] = array(
        'title' => t('Content Direct'),
        'weight' => 100,
        'url' => Url::fromRoute($action_routes[$entity_type], array(
          $entity->getEntityTypeId() => $entity->id(),
        )),
      );
    }
    // Add one of the history routes if one of the Entities.
    $history_routes = array(
      'node' => 'content_direct.node_history',
      'file' => 'content_direct.file_history',
    );
    if (array_key_exists($entity_type, $history_routes)) {
      $operations['content_direct_history'] = array(
        'title' => t('History'),
        'weight' => 100,
        'url' => Url::fromRoute($history_routes[$entity_type], array(
          $entity->getEntityTypeId() => $entity->id(),
        )),
      );
    }

    // @TODO: Not able to alter operations on MenuLinkContent either.
    // @TODO: Not able to alter operations for taxonomy terms.
    // see: Patch expected for 8.2.x https://www.drupal.org/node/2469567
    /*if ($entity_type == 'taxonomy_term') {
      $operations['content_direct'] = array(
        'title' => t('Content Direct'),
        'weight' => 100,
        'url' => Url::fromRoute("content_direct.term_actions", array(
          $entity->getEntityTypeId() => $entity->id(),
        )),
      );
    }*/
  }
  return $operations;
}