edlp_d8/sites/all/modules/figli/edlp_studio/edlp_studio.module

<?php

/**
 * @file
 * Contains edlp_studio.module.
 */

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Url;
use Drupal\edlp_studio\Entity\Chutier;
/**
 * Implements hook_help().
 */
function edlp_studio_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the edlp_studio module.
    case 'help.page.edlp_studio':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Edlp module that handle chutier and compositions entities') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_page_attachments().
 * @param array $attachments
 */
function edlp_studio_page_attachments(array &$attachments) {
  $attachments['#attached']['library'][] = 'edlp_studio/edlp_studio-library';
}


/**
* hook_entity_extra_field_info()
*
*/
function edlp_studio_entity_extra_field_info(){
  $extra = [];
  // TODO: get node content type by settings @see readme
  $extra['node']['enregistrement']['display']['chutier_actions'] = [
    'label' => t('Chutier actions'),
    'description' => 'Display a link to add the content to chutier',
    'weight' => 99,
    'visible' => FALSE,
  ];
  return $extra;
}


/**
 * Implements hook_ENTITY_TYPE_view().
 * @see https://www.amazeelabs.com/en/render-menu-tree-custom-code-drupal-8
 */
function edlp_studio_node_view(array &$build, \Drupal\Core\Entity\EntityInterface $entity, \Drupal\Core\Entity\Display\EntityViewDisplayInterface $display, $view_mode) {
  $display_settings = $display->getComponent('chutier_actions');
  if (!empty($display_settings)) {
    // dpm($entity);
    // dpm($entity->id());
    $user = \Drupal::currentUser();
    // dpm($user);
    if($user->id() == 0){
    //   // TODO: check if user loged in ? yes -> links : no : popup message
    //   $action = 'add';
    }
    // else{
    //   // TODO: check if node already in chutier ? no -> add link : yes -> remove link
    //   // use getUserChutiersContents() from \Drupal\edlp_studio\ChutierInterface
    //   $contents = Chutier::getUserChutiersContents($user->id());
    //   dpm($contents);
    //   if(array_search($entity->id(), $contents) === false){
    //     $action = 'add';
    //   }else{
    //     $action = 'remove';
    //   }
    // }
    // $args = array(
    //   'action'=>$action,
    //   'id'=>$entity->id()
    // );
    // $url = Url::fromRoute('edlp_studio.chutier_controller_ajax_add_content', $args, array(
    //   'attributes' => array(
    //     'class' => ['chutier-link','chutier-ajax-link'],
    //     'action' => $action,
    //     'target_id' => $entity->id(),
    //   )
    // ));
    $url = Chutier::getActionsUrl($entity->id(), $user->id());
    $build['chutier_actions'] = array(
      '#title' => t("Chutier."),
      '#type' => 'link',
      '#url' => $url,
      '#options'=>array(
        'attributes' => array(
          'data-drupal-link-system-path' => $url->getInternalPath()
        )
      )
    );
  }
}