function advpoll_display_runoff_results in Advanced Poll 7

Same name and namespace in other branches

1. 7.3 advpoll_ranking/advpoll_ranking.module \advpoll_display_runoff_results()
2. 7.2 advpoll_ranking/advpoll_ranking.module \advpoll_display_runoff_results()

3 calls to advpoll_display_runoff_results()

advpoll_ranking_node_view in advpoll_ranking/advpoll_ranking.module

advpoll_ranking_results_page in advpoll_ranking/advpoll_ranking.module

advpoll_ranking_submit in advpoll_ranking/advpoll_ranking.module

File

advpoll_ranking/advpoll_ranking.module, line 442

Code

function advpoll_display_runoff_results($nid, $data) {
  $output = '';
  $form = null;
  if (user_access('cancel own vote')) {
    $form = drupal_render(drupal_get_form('advpoll_ranking_cancel_form', $nid));
  }

  // get user's votes if they're logged in and if voting is normal
  $uservotes = array();
  if ($data->mode == 'normal') {
    $uservotes = advpoll_get_user_votes($nid);
  }
  if ($data->show_results == 'never' || $data->show_results == 'afterclose' && $data->end_date > time()) {
    $output .= theme('advpoll_noresults', array(
      'data' => $data,
      'votes' => $uservotes,
      'nid' => $nid,
      'cancel_form' => $form,
    ));
  }
  else {
    $criteria = array();
    $criteria['entity_id'] = $nid;
    $criteria['entity_type'] = 'advpoll';
    $results = votingapi_select_votes($criteria);
    $voters = array();
    $votes = array();
    $tally = array();
    $user = '';

    // for run-off voting each vote from a user counts as one vote regardless of how
    // many candidates they selected.
    foreach ($results as $result) {

      // get votes per user to get total votes
      $result['uid'] ? $user = $result['uid'] : ($user = $result['vote_source']);
      if (isset($voters[$user])) {
        $voters[$user]++;
      }
      else {
        $voters[$user] = 1;
      }

      // total value of all votes for each choice
      if (isset($votes[$result['tag']])) {
        $votes[$result['tag']] += $result['value'];
      }
      else {
        $votes[$result['tag']] = $result['value'];
      }

      // total individual votes for each choice
      if (isset($tally[$result['tag']])) {
        $tally[$result['tag']]++;
      }
      else {
        $tally[$result['tag']] = 1;
      }
    }

    // order poll by votes
    asort($votes);

    // get votes in descending order
    $votes = array_reverse($votes, true);
    $rows = array();
    $all_by_key = array();

    // get all choices with unique ID as key
    foreach ($data->choices as $choice) {

      // store all choices by key
      $all_by_key[$choice['choice_id']] = $choice['choice'];
    }

    // build rows for table
    foreach ($votes as $key => $vote) {
      if ($uservotes && in_array($key, $uservotes)) {
        $rows[] = array(
          'id' => $key,
          'total' => $vote,
          'votes' => $tally[$key],
          'choice' => $all_by_key[$key],
          'user_choice' => true,
        );
      }
      else {
        $rows[] = array(
          'id' => $key,
          'total' => $vote,
          'votes' => $tally[$key],
          'choice' => $all_by_key[$key],
          'user_choice' => false,
        );
      }

      // remove from keyed list of choices so we can ensure all choices display even if there
      // are no votes for that choice
      unset($all_by_key[$key]);
    }
    $percentage = round($rows[0]['votes'] / count($voters) * 100, 1);

    // add on items that did not receive votes
    if ($all_by_key) {
      foreach ($all_by_key as $key => $choice) {
        $rows[] = array(
          'id' => $key,
          'total' => 0,
          'votes' => 0,
          'choice' => $choice,
          'user_choice' => false,
        );
      }
    }

    // pass to template for markup.
    $output .= theme('advpoll_runoff', array(
      'total' => count($voters),
      'rows' => $rows,
      'percentage' => $percentage,
      'nid' => $nid,
      'cancel_form' => $form,
    ));
  }
  return $output;
}