ad_integration.module

<?php

/**
 * @file
 * Contains module hooks.
 */

use Drupal\Core\Cache\Cache;
use Drupal\Core\Form\FormStateInterface;

/**
 * Implements hook_theme().
 */
function ad_integration_theme() {
  return array(
    'ad_slot_inline' => array(
      'template' => 'ad-slot-inline',
      'variables' => array(
        'html_id' => NULL,
        'ad_tag' => NULL,
      ),
    ),
    'ad_slot_iframe' => array(
      'template' => 'ad-slot-iframe',
      'variables' => array(
        'html_id' => NULL,
        'ad_tag' => NULL,
      ),
    ),
    'ad_slot_fia' => array(
      'template' => 'ad-slot-fia',
      'variables' => array(
        'referrer' => NULL,
        'ad_tag' => NULL,
        'data' => NULL,
        'adengine' => NULL,
      ),
    ),
  );
}

/**
 * Implements hook_form_BASE_FORM_ID_alter() for node_form().
 */
function ad_integration_form_node_form_alter(&$form, FormStateInterface $form_state) {
  /* Is there a better way to get the node? */
  $entity = $form_state->getBuildInfo()['callback_object']->getEntity();

  /*
   * Set group of all ad_integration_settings elements
   */
  $has_settings = FALSE;
  foreach ($entity->getFieldDefinitions() as $fieldDefinition) {
    if ($fieldDefinition->getType() === 'ad_integration_settings') {
      $has_settings = TRUE;
      $form[$fieldDefinition->getName()]['#group'] = 'ad_integration_settings_override';
    }
  }
  if ($has_settings) {
    if (!isset($form['advanced'])) {
      $form['advanced'] = array(
        '#type' => 'vertical_tabs',
        '#weight' => 99,
      );
    }

    $form['ad_integration_settings_override'] = array(
      '#type' => 'details',
      '#title' => t('Advertising settings'),
      '#open' => FALSE,
      '#group' => 'advanced',
      '#optional' => FALSE,
    );
  }
}

/**
 * Implements hook_form_BASE_FORM_ID_alter() for taxonomy_term_form().
 */
function ad_integration_form_taxonomy_term_form_alter(&$form, FormStateInterface $form_state) {
  ad_integration_form_node_form_alter($form, $form_state);
}

/**
 * Implements template_preprocess_html().
 */
function ad_integration_page_attachments(array &$page) {
  /* @var Drupal\ad_integration\AdIntegration $advertisingService */
  $advertisingService = \Drupal::service('ad_integration');
  $ad_provider = $advertisingService->getAdProvider();
  $page['#cache']['tags'] = Cache::mergeTags(isset($page['#cache']['tags']) ? $page['#cache']['tags'] : [], $advertisingService->getCacheTags());
  $page['#attached']['html_head'][] = [
    [
      '#tag' => 'script',
      '#attributes' => [
        'src' => '/' . drupal_get_path('module', 'ad_integration') . '/js/adHelper.js',
      ],
    ],
    'ad_helper',
  ];

  switch ($ad_provider) {
    case 'fag':
      _attach_fag($page, $advertisingService);
      break;

    case 'orbyd':
      _attach_orbyd($page, $advertisingService);
      break;
  }
}

/**
 * Adds the ad template for Facebook Instant Articles
 *
 * Implements hook_preprocess_views_view_row_fia().
 */
function ad_integration_preprocess_views_view_row_fia(&$variables) {
  /** @var \Drupal\ad_integration\AdIntegrationInterface $advertisingService */
  $advertisingService = \Drupal::service('ad_integration');
  $ad_provider = $advertisingService->getAdProvider();

  $config = Drupal::config('ad_integration.settings');
  $ad_tag = $config->get('adsc_fia_tag');

  $node = $variables['row']['#node'];
  $data = array('entity' => $node);

  if ($ad_provider == 'orbyd' && !empty($ad_tag)) {
    $adRender = array(
      '#theme' => 'ad_slot_fia',
      '#referrer' => $GLOBALS['base_url'],
      '#ad_tag' => $ad_tag,
      '#data' => array(
        'adunit1' => $advertisingService->getAdUnit1($data),
        'adunit2' => $advertisingService->getAdUnit2($data),
        'adunit3' => $advertisingService->getAdUnit3($data),
        'keyword' => $advertisingService->getKeyword($data),
        'admode'  => $advertisingService->getAdMode($data),
      ),
    );
    $adengine = $advertisingService->getAdEngine();
    if ($adengine) {
      $adRender += array(
        '#adengine' => $adengine,
      );
    }
    $adHtml = render($adRender);
    $variables['options']['automatic_ad'] = $adHtml;
  }
}

/**
 * @param array $page
 * @param $advertisingService
 * @return array
 */
function _attach_orbyd(array &$page, $advertisingService) {
  $page['#attached']['html_head'][] = [
    [
      '#tag' => 'script',
      '#attributes' => [
        'type' => 'text/javascript',
      ],
      '#value' => "var adunit1 = '" . $advertisingService->getAdUnit1() . "';
                   var adunit2 = '" . $advertisingService->getAdUnit2() . "';
                   var adunit3 = '" . $advertisingService->getAdUnit3() . "';
                   var admode = '" . $advertisingService->getAdMode() . "';
                   var adkeyword = '" . $advertisingService->getKeyword() . "';
                   var admobile = deviceIsMobile().toString();
                   var addevice = getDeviceType();",
    ],
    'advertising_config',
  ];
  $adengine = $advertisingService->getAdEngine();
  if ($adengine) {
    $page['#attached']['html_head'][] = [
      [
        '#tag' => 'script',
        '#attributes' => [
          'src' => $adengine,
          'type' => 'text/javascript',
        ],
      ],
      'ad_orbyd_head',
    ];
  }
}

/**
 * @param array $page
 * @param $advertisingService
 * @return array
 */
function _attach_fag(array &$page, $advertisingService) {
  $page['#attached']['html_head'][] = [
    [
      '#tag' => 'script',
      '#attributes' => [
        'type' => 'text/javascript',
      ],
      '#value' => "var adsc_adunit1 = '" . $advertisingService->getAdUnit1() . "';
                   var adsc_adunit2 = '" . $advertisingService->getAdUnit2() . "';
                   var adsc_adunit3 = '" . $advertisingService->getAdUnit3() . "';
                   var adsc_mode = '" . $advertisingService->getAdMode() . "';
                   var adsc_keyword = '" . $advertisingService->getKeyword() . "';
                   var adsc_mobile = deviceIsMobile().toString();
                   var adsc_device = getDeviceType();",
    ],
    'advertising_config',
  ];

  $page['#attached']['html_head'][] = [
    [
      '#tag' => 'script',
      '#attributes' => [
        'src' => $advertisingService->getAdContainerTag(),
      ],
    ],
    'container_tag',
  ];
  $page['#attached']['html_head'][] = [
    [
      '#tag' => 'script',
      '#attributes' => [
        'src' => $advertisingService->getAdEngine(),
      ],
    ],
    'ad_engine',
  ];
  $page['#attached']['library'][] = 'ad_integration/id_integration';
  return $page;
}