function poll_block in Drupal 6

Same name and namespace in other branches

1. 4 modules/poll.module \poll_block()
2. 5 modules/poll/poll.module \poll_block()

Implementation of hook_block().

Generates a block containing the latest poll.

File

modules/poll/poll.module, line 129

Enables your site to capture votes on different topics in the form of multiple choice questions.

Code

function poll_block($op = 'list', $delta = 0) {
  if ($op == 'list') {
    $blocks[0]['info'] = t('Most recent poll');
    return $blocks;
  }
  else {
    if ($op == 'view' && user_access('access content')) {

      // Retrieve the latest poll.
      $sql = db_rewrite_sql("SELECT MAX(n.created) FROM {node} n INNER JOIN {poll} p ON p.nid = n.nid WHERE n.status = 1 AND p.active = 1");
      $timestamp = db_result(db_query($sql));
      if ($timestamp) {
        $poll = node_load(array(
          'type' => 'poll',
          'created' => $timestamp,
          'status' => 1,
        ));
        if ($poll->nid) {
          $poll = poll_view($poll, TRUE, FALSE, TRUE);
        }
      }
      $block['subject'] = t('Poll');
      $block['content'] = drupal_render($poll->content);
      return $block;
    }
  }
}