function comment_nodeapi in Drupal 4

Same name and namespace in other branches

1. 5 modules/comment/comment.module \comment_nodeapi()
2. 6 modules/comment/comment.module \comment_nodeapi()

Implementation of hook_nodeapi().

File

modules/comment.module, line 276

Enables users to comment on published content.

Code

function comment_nodeapi(&$node, $op, $arg = 0) {
  switch ($op) {
    case 'load':
      return db_fetch_array(db_query("SELECT last_comment_timestamp, last_comment_name, comment_count FROM {node_comment_statistics} WHERE nid = %d", $node->nid));
      break;
    case 'prepare':
      if (!isset($node->comment)) {
        $node->comment = variable_get("comment_{$node->type}", COMMENT_NODE_READ_WRITE);
      }
      break;
    case 'insert':
      db_query('INSERT INTO {node_comment_statistics} (nid, last_comment_timestamp, last_comment_name, last_comment_uid, comment_count) VALUES (%d, %d, NULL, %d, 0)', $node->nid, $node->created, $node->uid);
      break;
    case 'delete':
      db_query('DELETE FROM {comments} WHERE nid = %d', $node->nid);
      db_query('DELETE FROM {node_comment_statistics} WHERE nid = %d', $node->nid);
      break;
    case 'update index':
      $text = '';
      $comments = db_query('SELECT subject, comment, format FROM {comments} WHERE nid = %d AND status = %d', $node->nid, COMMENT_PUBLISHED);
      while ($comment = db_fetch_object($comments)) {
        $text .= '<h2>' . check_plain($comment->subject) . '</h2>' . check_markup($comment->comment, $comment->format, FALSE);
      }
      return $text;
    case 'search result':
      $comments = db_result(db_query('SELECT comment_count FROM {node_comment_statistics} WHERE nid = %d', $node->nid));
      return format_plural($comments, '1 comment', '%count comments');
    case 'rss item':
      return array(
        array(
          'key' => 'comments',
          'value' => url('node/' . $node->nid, NULL, 'comment', TRUE),
        ),
      );
  }
}