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';
  $url = Url::fromRoute('edlp_studio.studio_chutier_ui_ajax', [], ['absolute' => TRUE]);
  $attachments['#attached']['drupalSettings']['edlp_studio']['chutier_ui_ajax'] = $url->getInternalPath();
}

/**
 * Implements hook_theme().
 */
function edlp_studio_theme($existing, $type, $theme, $path) {
  // @see https://www.drupal.org/docs/8/theming/twig/create-custom-twig-templates-from-custom-module

  return array(
    'edlp_chutier_ui' => array(
      'file' => 'includes/edlp_chutier_ui.inc',
      'variables' => array(
        'title' => t('Chutier'),
        'document_nodes' => array(),
        'uid' => null,
      ),
    ),
    'edlp_composition_ui' => array(
      'file' => 'includes/edlp_composition_ui.inc',
      'variables' => array(
        'title' => t('Compositon'),
        'compositions' => null,
        'composer' => null,
      ),
    ),
    'edlp_compositions_list' => array(
      'file' => 'includes/edlp_compositions_list.inc',
      'variables' => array(
        'composition_entities' => array(),
        'new_composition_url' => Null,
      ),
    ),
    'edlp_studio_ui' => array(
      'file' => 'includes/edlp_studio_ui.inc',
      'variables' => array(
        'chutier_ui' => null,
        'composition_ui' => null,
      ),
    ),
  );
}

/**
* 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);
    // check if user loged in ? no -> popup message : yes -> links
    if($user->id() == 0){
      $build['chutier_actions'] = array(
        '#type' => 'container',
        '#attributes' => array(
          'class' => array('chutier-icon', 'not-logedin')
        ),
        "popup"=>array(
          '#type'=>'container',
          '#attributes' => array(
            'class' => array('popup')
          ),
          "content"=>array(
            '#type'=>'container',
            '#attributes' => array(
              'class' => array('inner')
            ),
            'text'=>array(
              '#prefix'=>'<p>',
              '#markup'=>t('Le Studio rassemble vos documents favoris.Il permet de les sauvgarder et de les agencer en compositions.'),
              '#suffix'=>'</p>'
            ),
            'links'=>array(
              '#prefix'=>'<p>',
              '#markup'=>'todo: login link',
              '#suffix'=>'</p>'
            )
          )
        )
      );
    }else{
      // TODO: check if user has permission 'use chutier'
      $url = Chutier::getActionsUrl($entity->id(), $user->id());
      $build['chutier_actions'] = array(
        '#type' => 'link',
        '#title' => 'Chutier',
        '#url' => $url,
        '#options'=>array(
          'attributes' => array(
            'data-drupal-link-system-path' => $url->getInternalPath()
          )
        )
      );
    }
  }
}