islandora_altmetrics.module

<?php

/**
 * @file
 * Main hooks for Islandora Altmentrics.
 */

/**
 * Implements hook_menu().
 */
function islandora_altmetrics_menu() {
  return array(
    'admin/islandora/tools/badges/altmetrics' => array(
      'title' => 'Altmetrics',
      'description' => 'Configure Altmetrics integration.',
      'page callback' => 'drupal_get_form',
      'page arguments' => array('islandora_altmetrics_admin_form'),
      'access arguments' => array('administer site configuration'),
      'type' => MENU_LOCAL_TASK,
      'file' => 'includes/admin.form.inc',
    ),
  );
}

/**
 * Implements hook_block_info().
 */
function islandora_altmetrics_block_info() {
  return array(
    'islandora_altmetrics_altmetrics' => array(
      'visibility' => BLOCK_VISIBILITY_LISTED,
      'pages' => 'islandora/object/*',
      'cache' => DRUPAL_CACHE_PER_PAGE,
      'info' => t('Islandora Altmetrics Badge'),
    ),
  );
}

/**
 * Implements hook_block_view().
 */
function islandora_altmetrics_block_view($delta) {
  module_load_include('inc', 'islandora_badges', 'includes/utilities');
  $to_render = array();
  if ($delta == 'islandora_altmetrics_altmetrics') {
    $object = menu_get_object('islandora_object', 2);
    if ($object) {
      if (islandora_badges_show_for_cmodel($object)) {
        // Use new customizable list of cmodels.
        foreach (islandora_badges_get_identifier_types() as $id_type => $id_vars) {
          $id_xpath = $id_vars['xpath'];
          $id_value = islandora_badges_get_identifier_value($object, $id_type, $id_xpath);
          if ($id_value) {
            // Only generate block if a result exists - check API callback.
            $altmetrics_api_url = 'http://api.altmetric.com/v1/' . $id_type . '/' . $id_value . '?callback=my_callback';
            $head_response = drupal_http_request($altmetrics_api_url, array('method' => 'HEAD'));
            if ($head_response->code == 200) {
              // Embed Altmetrics.
              $to_render['content']['altmetrics'] = array(
                '#type' => 'container',
                '#attributes' => array(
                  'class' => array('altmetric-embed'),
                  'data-badge-type' => variable_get('islandora_altmetrics_badge', 'Default'),
                  'data-' . $id_type => $id_value,
                  'data-badge-popover' => variable_get('islandora_altmetrics_popover', 'right'),
                  'data-hide-no-mentions' => 'true',
                  'data-link-target' => '_blank',
                ),
              );
              drupal_add_js('https://d1bxh8uas1mnw7.cloudfront.net/assets/embed.js', 'external');
              break;
            }
          }
        }
      }
    }
  }
  return $to_render;
}