function poll_update

Implements hook_update().

File

modules/poll/poll.module, line 570

Code

function poll_update($node) {
    // Update poll settings.
    db_update('poll')->fields(array(
        'runtime' => $node->runtime,
        'active' => $node->active,
    ))
        ->condition('nid', $node->nid)
        ->execute();
    // Poll choices with empty titles signifies removal. We remove all votes to
    // the removed options, so people who voted on them can vote again.
    foreach ($node->choice as $key => $choice) {
        if (!empty($choice['chtext'])) {
            db_merge('poll_choice')->key(array(
                'chid' => $choice['chid'],
            ))
                ->fields(array(
                'chtext' => $choice['chtext'],
                'chvotes' => (int) $choice['chvotes'],
                'weight' => $choice['weight'],
            ))
                ->insertFields(array(
                'nid' => $node->nid,
                'chtext' => $choice['chtext'],
                'chvotes' => (int) $choice['chvotes'],
                'weight' => $choice['weight'],
            ))
                ->execute();
        }
        else {
            db_delete('poll_vote')->condition('nid', $node->nid)
                ->condition('chid', $key)
                ->execute();
            db_delete('poll_choice')->condition('nid', $node->nid)
                ->condition('chid', $choice['chid'])
                ->execute();
        }
    }
}