infinite_amp.theme

<?php

use Drupal\Core\GeneratedLink;
use Drupal\Core\Url;
use Drupal\infinite_media\MediaHelper;
use Drupal\node\NodeInterface;
use Drupal\views\ViewExecutable;
use Drupal\views\Views;

/**
 * Implements template_theme_suggestions_HOOK_alter() for dfp_amp ad entities.
 */
function infinite_amp_theme_suggestions_dfp_amp_alter(array &$suggestions, array $variables, $hook) {
  $ad_entity = $variables['ad_entity'];
  $suggestions[] = $hook . '__' . $ad_entity->id();
}

function infinite_amp_preprocess(&$variables) {

  if (\Drupal::moduleHandler()->moduleExists('metatag')) {
    /**
     * TODO: Does metatag module provide some simpler api call to get metatags?
     */
    $metatag_manager = \Drupal::service('metatag.manager');
    // First, get defaults.
    $metatags = metatag_get_default_tags();
    if (!$metatags) {
      return;
    }

    $entity = metatag_get_route_entity();
    if (!empty($entity) && $entity instanceof ContentEntityInterface) {
      $metatags = array_merge($metatags, $metatag_manager->tagsFromEntity($entity));
    }

    if (isset($metatags['fb_app_id'])) {
      $variables['fb_app_id'] = $metatags['fb_app_id'];
    }
  }
  $variables['environment'] = ['systemType' => isset($_ENV['AH_SITE_ENVIRONMENT']) ? $_ENV['AH_SITE_ENVIRONMENT'] : 'local'];
}

function infinite_amp_preprocess_node(&$variables) {
  /* @var Node $node */
  $node = $variables['node'];

  // share buttons received from theme settings
  $variables['facebook_share_button'] = theme_get_setting('facebook_share_button');
  $variables['whatsapp_share_button'] = theme_get_setting('whatsapp_share_button');
  $variables['pinterest_share_button'] = theme_get_setting('pinterest_share_button');
  $variables['twitter_share_button'] = theme_get_setting('twitter_share_button');
  $variables['twitter_share_via'] = theme_get_setting('twitter_share_via');
  $variables['email_share_button'] = theme_get_setting('email_share_button');
  $variables['whatsapp_share_text'] = theme_get_setting('whatsapp_share_text');
  $variables['email_share_text'] = theme_get_setting('email_share_text');
  $variables['email_subject'] = theme_get_setting('email_subject');

  $bundle = $node->bundle();
  if ($bundle == 'article' || $bundle == 'page') {
    // todo: switch later to publish date.
    $variables['datetime'] = \Drupal::service('date.formatter')
      ->format($node->created->value, 'html_datetime');
    $variables['timestamp'] = $node->created->value;

    // Override TWIG url with absolute alias URL.
    $variables['path'] = $variables['url']; // used for lazy loading history API.
    $variables['url'] = $node->url('canonical', ['absolute' => TRUE]);
    $variables['nid'] = $node->id();

    $variables['share_img_url'] = MediaHelper::getImageUrlFromMediaReference(
      $node,
      'field_teaser_media',
      theme_get_setting('share_image_style')
    );

    $variables['pinterest_share_img_url'] = MediaHelper::getImageUrlFromMediaReference(
      $node,
      'field_pinterest_image'
    );

    // Add 'show_contextual_links' variable.
    /* @var User $user */
    $user = Drupal::currentUser();
    if ($user->hasPermission('access contextual links')) {
      $variables['show_contextual_links'] = TRUE;
    }
  }

  if ($bundle == 'article') {
    $field_seo_title = !empty($node->field_seo_title->getValue()[0]) ? $node->field_seo_title->getValue()[0]['value'] : '';
    // Replace double quotes.
    // @toDo check, where we have this case!
    $variables['node_seo_title'] = str_replace('"', '', $field_seo_title);
    // Clean up classes array - all classes will be added in
    $variables['attributes']['class'] = array();

    // Instantiate 'wrapper_attributes' attribute object to avoid collisions
    // with actual node attributes.
    if ($variables['view_mode'] === 'full' || $variables['view_mode'] === 'lazyloading') {
      $variables['wrapper_attributes'] = new Attribute();
      _infinite_amp_add_amazon_id($variables);
    }
  }

  if (isset($variables['content']['field_paragraphs'])) {
    foreach (Drupal\Core\Render\Element::children($variables['content']['field_paragraphs']) as $key) {
      $paragraph = $variables['content']['field_paragraphs'][$key]['#paragraph'];
      if ($paragraph) {
        if (in_array($paragraph->bundle(), ['recent_content', 'term_teaser'])) {
          $variables['content']['field_paragraphs'][$key] = ['#markup' => ''];
        }
      }
    }
  }

  if ($bundle == 'ecommerce_slider') {
    if (($node_from_url = \Drupal::routeMatch()->getParameter('node')) && $node_from_url instanceof NodeInterface) {
      if ($node_from_url->id() != $node->id()) {
        $variables['parent_title'] = str_replace('"', '', $node_from_url->label());
        $variables['parent_id'] = $node_from_url->id();
        $variables['parent_type'] = 'node';
      }
      else {
        $variables['parent_id'] = $node->id();
        $variables['parent_type'] = 'node';
        $variables['parent_title'] = str_replace('"', '', $node->label());
      }
    }
    else if (($term_from_url = \Drupal::routeMatch()->getParameter('taxonomy_term')) && $term_from_url instanceof TermInterface) {
      $variables['parent_id'] = $term_from_url->id();
      $variables['parent_type'] = 'taxonomy_term';
      $variables['parent_title'] = str_replace('"', '', $term_from_url->label());
    }

    _infinite_amp_add_amazon_id($variables);
  }
}

/**
 * Implements hook_preprocess_taxonomy_term().
 */
function infinite_amp_preprocess_taxonomy_term(&$variables) {
  if (isset($variables['content']['field_paragraphs'])) {
    foreach (Drupal\Core\Render\Element::children($variables['content']['field_paragraphs']) as $key) {
      $paragraph = $variables['content']['field_paragraphs'][$key]['#paragraph'];
      if ($paragraph) {
        if (in_array($paragraph->bundle(), ['recent_content'])) {
          $variables['content']['field_paragraphs'][$key] = ['#markup' => ''];
        }
      }
    }
  }
}

/**
 * Implements hook_preprocess_advertising_product().
 */
function infinite_amp_preprocess_advertising_product(&$variables) {
  $product = $variables['elements']['#advertising_product'];
  $variables['advertising_product'] = $product;

  $price = $product->product_price->value;
  $sold_out = $product->product_sold_out->value;
  if ($price < 0 || $sold_out) {
    $variables['sold_out'] = TRUE;
  }

  $original_price = $product->product_original_price->value;
  if (!isset($variables['sold_out']) || !$variables['sold_out']) {
    if ($price < $original_price) {
      $variables['show_strikethrough_price'] = TRUE;
    }
  }

  // update links to tipser products
  if ('advertising_product_tipser' === $product->bundle()) {
    $tipserProductId = $product->get('product_id')->value;
    // add request uri
    $query = [
      'article' => Url::fromUserInput($_SERVER['REQUEST_URI'])
        ->setOption('query', null)
        ->setAbsolute(true)
        ->toString(),
    ];
    // add node title (if we are on a node or term page)
    $entity = \Drupal::routeMatch()->getParameter('node');
    if (null === $entity) {
      $entity = \Drupal::routeMatch()->getParameter('taxonomy_term');
    }
    if ($entity) {
      $query['title'] = $entity->get('field_seo_title')->value;
      $query['parent_id'] = $entity->id();
      $query['parent_type'] = $entity->getEntityTypeId();
    }

    $variables['tipser_url'] = Url::fromRoute('tipser_client.open_from_amp_page', [
      'productId' => $tipserProductId,
    ], [
      'query' => $query,
    ]);

    $variables['link_target'] = '_self';
  } else {
    $variables['link_target'] = '_blank';
  }
  $provider = explode("_", $product->product_provider->value)[0];
  $variables['provider'] = $provider;
}

/**
 * Implements hook_preprocess_paragraphs().
 */
function infinite_amp_preprocess_paragraph(&$variables) {
  if ($variables['paragraph']->getType() === 'recent_content') {

    $items = 3;
    $paragraph = $variables['paragraph'];
    if ($paragraph->hasField('field_item_count') && !$paragraph->field_item_count->isEmpty()) {
      $items = $paragraph->field_item_count->value;
    }
    $embed_view = paragraphs_starterkit_recent_content_views_embed_view('paragraph_recent_content', 'amp_recent_content', $items);
    $recent_content_view = \Drupal::service('renderer')->render($embed_view);
    $variables['content']['amp_recent_content_view'] = array(
      '#markup' => $recent_content_view,
    );
  } else if ($variables['paragraph']->getType() === 'iframe') {
    $variables['#attached']['library'][] = 'amp/amp.iframe';
  }

  if (
    $variables['paragraph']->hasField('field_progress_navigation') &&
    !$variables['paragraph']->field_progress_navigation->isEmpty()
  ) {
    $variables['paragraph']->set('field_progress_navigation', NULL);
  }

  // Add title, type and id of parent entity
  if (($parent = $variables['paragraph']->getParentEntity())) {
    $variables['parent_id'] = $parent->id();
    if ($parent->getEntityTypeId() === 'taxonomy_term') {
      $variables['parent_type'] = 'taxonomy_term';
    }
    else if ($parent->getEntityTypeId() === 'node') {
      $variables['parent_type'] = 'node';
    }
    else if ($parent->getEntityTypeId() === 'user') {
      $variables['parent_type'] = 'user';
    }
    $title = $parent->label();
    // Clean it up for use in tracking urls.
    $variables['parent_title'] = str_replace('"', '', $title);
  }

  // Initialise amazon id.
  _infinite_amp_add_amazon_id($variables);
  // Overwrite amazon id it if set.
  if ('products' === $variables['paragraph']->bundle()
    || 'advertising_products_paragraph' === $variables['paragraph']->bundle()
    || 'advertising_products_embed' === $variables['paragraph']->bundle()
    || 'ecommerce_slider_paragraph' === $variables['paragraph']->bundle()) {

    $node_entity = \Drupal::routeMatch()->getParameter('node');
    if (
      $node_entity instanceof \Drupal\node\Entity\Node
      && $node_entity->hasField('field_amazon_tag')
      && strlen($node_entity->get('field_amazon_tag')->value) > 3
    ) {
      $variables['amazon_tag'] = $node_entity->get('field_amazon_tag')->value;
    }
  }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function infinite_amp_theme_suggestions_user_alter(array &$suggestions, array $variables, $hook) {
  if (!empty($variables['elements']['#view_mode'])) {
    $suggestions[] = $hook . '__' . $variables['elements']['#view_mode'];
  }
}

/**
 * Implements hook_preprocess_outbrain().
 */
function infinite_amp_preprocess_outbrain(&$variables) {
  if (Drupal::request()->attributes->has('node')) {
    $node = Drupal::request()->attributes->get('node');
    $variables['canonical_url'] = $canonical_href = $node->toUrl('canonical', ['absolute' => TRUE])->toString();
    $variables['amp_url'] = $amp_href = \Drupal::service('amp.query_parameters')->add($canonical_href);
    $variables['#attached']['library'][] = 'amp/amp.iframe';
  }
}

/**
 * Implements hook_preprocess_region().
 */
function infinite_amp_preprocess_region(&$variables) {
  $site_config = \Drupal::config('system.site');
  $variables['site_name'] = $site_config->get('name');
}

/**
 * Implements hook_preprocess_media().
 */
function infinite_amp_preprocess_media(&$variables) {
  $variables['media'] = $variables['elements']['#media'];

  if ($variables['media_type'] == 'nexx_video') {
    $variables['omnia_id'] = \Drupal::config('nexx_integration.settings')->get('omnia_id');
  }
}

/**
 * Implements hook_form_system_theme_settings_alter().
 *
 * Custom theme settings
 */
function infinite_amp_form_system_theme_settings_alter(&$form, &$form_state) {

  /*--------------- Share button Settings --------------*/
  $form['share'] = array(
    '#type' => 'fieldset',
    '#title' => t('Share button settings'),
    '#collapsed' => TRUE,
    '#collapsible' => TRUE,
  );

  $form['share']['gtm_id'] = array(
    '#type' => 'textfield',
    '#title' => t('Google tag manager ID'),
    '#default_value' => theme_get_setting('gtm_id'),
    '#size' => 80,
    '#description' => t('Enter your Google tag manager ID.'),
    '#prefix' => '<div id="gtm-id-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['share_image_style'] = array(
    '#type' => 'select',
    '#title' => t('Image style for sharing'),
    '#options' => image_style_options(),
    '#default_value' => theme_get_setting('share_image_style'),
    '#description' => t('Select the image style, that will be used for sharing on social media.'),
    '#prefix' => '<div id="share-image-style-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['facebook_share_button'] = array(
    '#type' => 'textfield',
    '#title' => t('Facebook share button text'),
    '#default_value' => theme_get_setting('facebook_share_button'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown on the facebook share button.'),
    '#prefix' => '<div id="facebook-share-button-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['whatsapp_share_button'] = array(
    '#type' => 'textfield',
    '#title' => t('Whatsapp share button text'),
    '#default_value' => theme_get_setting('whatsapp_share_button'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown on the whatsapp share button.'),
    '#prefix' => '<div id="whatsapp-share-button-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['whatsapp_share_text'] = array(
    '#type' => 'textfield',
    '#title' => t('Whatsapp share text'),
    '#default_value' => theme_get_setting('whatsapp_share_text'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown as share whatsapp text.'),
    '#prefix' => '<div id="whatsapp-share-text-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['pinterest_share_button'] = array(
    '#type' => 'textfield',
    '#title' => t('Pinterest share button text'),
    '#default_value' => theme_get_setting('pinterest_share_button'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown on the pinterest share button.'),
    '#prefix' => '<div id="pinterest-share-button-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['twitter_share_button'] = array(
    '#type' => 'textfield',
    '#title' => t('Twitter share button text'),
    '#default_value' => theme_get_setting('twitter_share_button'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown on the twitter share button.'),
    '#prefix' => '<div id="twitter-share-button-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['twitter_share_via'] = array(
    '#type' => 'textfield',
    '#title' => t('Via which twitter handle to share.'),
    '#default_value' => theme_get_setting('twitter_share_via'),
    '#size' => 80,
    '#description' => t('Enter the the twitter handle, that will be shown when sharing content.'),
    '#prefix' => '<div id="twitter-share-via-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['email_share_button'] = array(
    '#type' => 'textfield',
    '#title' => t('Email share button text'),
    '#default_value' => theme_get_setting('email_share_button'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown on the email share button.'),
    '#prefix' => '<div id="email-share-button-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['email_share_text'] = array(
    '#type' => 'textfield',
    '#title' => t('Email share text'),
    '#default_value' => theme_get_setting('email_share_text'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown in the email.'),
    '#prefix' => '<div id="email-share-button-wrapper">',
    '#suffix' => '</div>',
  );

  $form['share']['email_subject'] = array(
    '#type' => 'textfield',
    '#title' => t('Email subject text'),
    '#default_value' => theme_get_setting('email_subject'),
    '#size' => 80,
    '#description' => t('Enter the the text, that will be shown as the email subject.'),
    '#prefix' => '<div id="email-share-subject-wrapper">',
    '#suffix' => '</div>',
  );
}

/**
 * Implements hook_preprocess_html();
 */
function infinite_amp_preprocess_html(&$variables) {
  $variables['#attached']['library'][] = 'infinite_amp/amp.ad';
  $variables['#attached']['library'][] = 'infinite_amp/amp.amp-carousel';
  $variables['#attached']['library'][] = 'infinite_amp/amp.list';
  $variables['#attached']['library'][] = 'infinite_amp/amp.mustache';
  $variables['#attached']['library'][] = 'infinite_amp/amp.social-share';
  $variables['#attached']['library'][] = 'amp/amp.iframe';

  if (in_array(parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH), [
    '/shop-it',
    '/shop-it-elle',
  ])) {
    $variables['#attached']['library'][] = 'infinite_amp/amp.bind';
  }

  $css = file_get_contents(drupal_get_path('theme', 'infinite_amp') . '/css/infinite-amp-base.css');
  if ($css) {
    $variables['amp_css'] = $css;
  }
}

/**
 * Implements hook_preprocess_block().
 */
function infinite_amp_preprocess_block(&$variables) {
  if ($variables['plugin_id'] === 'infinite_blocks_channel_presenter') {
    $variables['#attached']['library'][] = 'amp/amp.carousel';
  }
}

/**
 * Implements hook_preprocess_file_link() to remove type from a-tag for AMP.
 *
 * @see INREL-5303
 */
function infinite_amp_preprocess_file_link(&$variables) {
  if ($variables['link'] instanceof GeneratedLink) {
    $doc = new DOMDocument();
    $doc->loadHTML($variables['link']->getGeneratedLink(), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
    $node = $doc->getElementsByTagName('a')[0];
    $node->removeAttribute('type');
    $variables['link']->setGeneratedLink(trim($doc->saveHTML()));
  }
}

/**
 * Implements hook_views_pre_render().
 */
function infinite_amp_views_pre_render(ViewExecutable $view) {
  if ($view->id() === 'infinite_taxonomy_term' && !$view->is_attachment) {
    // Remove the footer until the newsletter form is rebuilt in an AMP compatible format.
    $view->footer = [];
    // Remove the pager.
    $view->pager = [];
  }
}

function infinite_amp_preprocess_page(&$variables) {
  $variables['site_name'] = \Drupal::config('system.site')->get('name');
}

function _infinite_amp_append_css($css, $purifiedPath, $standardPath) {
  if (file_exists($purifiedPath)) {
    $css .= file_get_contents($purifiedPath);
  } elseif (file_exists($standardPath)) {
    $css .= file_get_contents($standardPath);
  }

  return $css;
}

/**
 * Helper function to add amazon id to variables and JS settings.
 */
function _infinite_amp_add_amazon_id(&$variables) {
  if (!isset($variables['amazon_tag'])) {
    $variables['amazon_tag'] = \Drupal::config('amazon.settings')->get('associates_id');
  }
}