function poll_load

Implements hook_load().

File

modules/poll/poll.module, line 488

Code

function poll_load($nodes) {
    global $user;
    foreach ($nodes as $node) {
        $poll = db_query("SELECT runtime, active FROM {poll} WHERE nid = :nid", array(
            ':nid' => $node->nid,
        ))
            ->fetchObject();
        if (empty($poll)) {
            $poll = new stdClass();
        }
        // Load the appropriate choices into the $poll object.
        $poll->choice = db_select('poll_choice', 'c')->addTag('translatable')
            ->fields('c', array(
            'chid',
            'chtext',
            'chvotes',
            'weight',
        ))
            ->condition('c.nid', $node->nid)
            ->orderBy('weight')
            ->execute()
            ->fetchAllAssoc('chid', PDO::FETCH_ASSOC);
        // Determine whether or not this user is allowed to vote.
        $poll->allowvotes = FALSE;
        if (user_access('vote on polls') && $poll->active) {
            if ($user->uid) {
                // If authenticated, find existing vote based on uid.
                $poll->vote = db_query('SELECT chid FROM {poll_vote} WHERE nid = :nid AND uid = :uid', array(
                    ':nid' => $node->nid,
                    ':uid' => $user->uid,
                ))
                    ->fetchField();
                if (empty($poll->vote)) {
                    $poll->vote = -1;
                    $poll->allowvotes = TRUE;
                }
            }
            elseif (!empty($_SESSION['poll_vote'][$node->nid])) {
                // Otherwise the user is anonymous. Look for an existing vote in the
                // user's session.
                $poll->vote = $_SESSION['poll_vote'][$node->nid];
            }
            else {
                // Finally, query the database for an existing vote based on anonymous
                // user's hostname.
                $poll->allowvotes = !db_query("SELECT 1 FROM {poll_vote} WHERE nid = :nid AND hostname = :hostname AND uid = 0", array(
                    ':nid' => $node->nid,
                    ':hostname' => ip_address(),
                ))
                    ->fetchField();
            }
        }
        foreach ($poll as $key => $value) {
            $nodes[$node->nid]->{$key} = $value;
        }
    }
}