badgr_badge-8.x-1.x-dev/badgr_badge.module

<?php

/**
 * @file
 * Contains badgr_badge.module.
 */

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Url;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;

/**
 * Implements hook_help().
 */
function badgr_badge_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the badgr_badge module.
    case 'help.page.badgr_badge':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Bridge between drupal and badgr api service') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_theme().
 */
function badgr_badge_theme() {
  return [
    'badgr_badge' => [
      'render element' => 'children',
    ],
  ];
}

/**
 * Implements hook_ENTITY_TYPE_view().
 */
function badgr_badge_node_view(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) {
  if ($entity->getType() == 'badgr_badges' && $view_mode == 'teaser') {
    $link = 'badgr_badge.addtobackpack';
    $build['backpack_ajax_link'] = [
      '#type' => 'link',
      '#title' => t('Backpack link for @title', ['@title' => $entity->getTitle()]),
      '#attached' => ['library' => ['core/drupal.ajax']],
      '#attributes' => ['class' => ['use-ajax']],
      '#url' => Url::fromRoute($link, ['nojs' => 'ajax', 'badge' => $entity->id(), 'acheived_date' => time()]),
      '#prefix' => '<div class="backpack-link backpack-link-' . $entity->id() . ' btn btn-info">',
      '#suffix' => '</div>',
    ];
    $build['backpack_ajax_link']['destination'] = [
      '#type' => 'container',
      '#attributes' => ['id' => ["backpack{$entity->id()}"], 'class' => 'btn'],
    ];
    $build['#cache']['max-age'] = 0;
  }
}

/**
 * Implements hook_preprocess_node().
 */
function badgr_badge_preprocess_node(&$variables) {
  // Get the node's content type
  $type = $variables['node']->getType();
  // Get its view mode
  $mode = $variables['view_mode'];
  if ($type == 'badgr_badges' && $mode == 'teaser') {
    $variables['display_submitted'] = FALSE;
  }
}