function disqus_nodeapi in Disqus 5

Same name and namespace in other branches

1. 6 disqus.module \disqus_nodeapi()

Implementation of hook_nodeapi().

File

./disqus.module, line 51

Code

function disqus_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  switch ($op) {
    case 'load':

      // See if Disqus is active on this node.
      $types = variable_get('disqus_nodetypes', array());
      $arg2 = arg(2);
      if (!empty($types[$node->type]) && empty($arg2) || $arg2 == 'view') {

        // Check which Disqus domain to use.
        $domain = variable_get('disqus_domain', '');
        if (!empty($domain)) {

          // Save the data to the node object.
          $node->disqus = array(
            'domain' => $domain,
          );

          // Build the absolute URL without the alias for the disqus_url flag.
          global $base_url;
          $node->disqus['url'] = $base_url . '/node/' . $node->nid;

          // Build the message excerpt.
          $message = nl2br($node->teaser);
          $message = str_replace("\r", ' ', $message);
          $message = str_replace("\n", ' ', $message);
          $message = strip_tags($message);
          $node->disqus['message'] = check_plain($message);

          // Build the title.
          $node->disqus['title'] = check_plain(strip_tags($node->title));

          // Provide the identifier.
          $node->disqus['identifier'] = 'node/' . $node->nid;

          // The developer flag must always be set when the node is unpublished.
          if ($node->status == 0) {
            $node->disqus['developer'] = 1;
          }
          elseif ($developer = variable_get('disqus_developer', FALSE)) {
            $node->disqus['developer'] = intval($developer);
          }
        }
      }
      break;
    case 'view':

      // See if we are to display Disqus in the current context.
      if (!$a3 && $a4 && isset($node->disqus)) {
        if (user_access('view disqus comments') && variable_get('disqus_location', 'content_area') == 'content_area') {

          // Inject the comments into the node content area.
          $node->content['disqus'] = array(
            '#value' => theme('disqus_comments', $node->disqus),
            '#weight' => variable_get('disqus_weight', 50),
          );
        }
      }
      break;
  }
}