function advpoll_cancel in Advanced Poll 5

Same name and namespace in other branches

1. 6.3 advpoll.admin.inc \advpoll_cancel()
2. 6 advpoll.admin.inc \advpoll_cancel()
3. 6.2 advpoll.admin.inc \advpoll_cancel()

Callback for canceling a vote.

1 string reference to 'advpoll_cancel'

advpoll_menu in ./advpoll.module

Implementation of hook_menu().

File

./advpoll.module, line 1370

Advanced Poll - a sophisticated polling module for voting, elections, and group decision-making.

Code

function advpoll_cancel($nid) {
  global $user;
  $nid = arg(2);
  if ($nid && ($node = node_load(array(
    'nid' => $nid,
  )))) {
    if (isset($node->type) && $node->voted && _advpoll_is_active($node)) {
      if ($user->uid && count($user_vote = votingapi_get_user_votes('advpoll', $node->nid)) > 0) {
        votingapi_unset_vote('advpoll', $node->nid, $user->uid);
      }
      else {
        $host = $_SERVER['HTTP_X_FORWARDED_FOR'] ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
        db_query("DELETE FROM {votingapi_vote} WHERE content_id = %d and hostname = '%s' AND uid = 0", $node->nid, $host);
        votingapi_recalculate_results('advpoll', $nid);
      }
      $mode = _advpoll_get_mode($node->type);
      $function = 'advpoll_cancel_' . $mode;
      if (function_exists($function)) {
        $function($node, $user_vote);
      }
      drupal_set_message(t('Your vote was canceled.'));
    }
    else {
      drupal_set_message(t('You are not allowed to cancel an invalid choice.'), 'error');
    }
    drupal_goto('node/' . $nid);
  }
  else {
    drupal_not_found();
  }
}