function calculatePoll($pollid, $parentid = 0, $depth = 0, &$childsValue = array())
{
global $db;
$parents = $db->selectList('detailedpoll_questions', '*', "`parentid`=" . $parentid . " AND `detailedpollid` = " . (int) $pollid, "`rank` ASC");
if ($parents) {
$newparents = array();
$childsValue = array('value' => 0, 'percent' => 0);
foreach ($parents as $parent) {
$childs = calculatePoll($pollid, $parent['questionid'], $depth + 1, &$childsValue);
$parent['depth'] = $depth;
$parent['childs'] = $childs ? count($childs) : 0;
if ($childs) {
$parent['value'] = sprintf("%0.2f", $childsValue['value'] / $childsValue['percent']);
$childsValue['value'] = $parent['value'] * $parent['percent'];
$childsValue['percent'] = $parent['percent'];
$newparents[] = $parent;
$newparents = array_merge($newparents, $childs);
} else {
$value = $db->selectOneRow('detailedpoll_answers', 'AVG(`value`) AS value', '`questionid`=' . (int) $parent['questionid']);
$parent['value'] = sprintf("%0.2f", $value['value']);
$childsValue['value'] += $value['value'] * $parent['percent'];
$childsValue['percent'] += $parent['percent'];
$newparents[] = $parent;
}
}
return $newparents;
} else {
return false;
}
}
} else {
$notify->add($lang->get('detailedpoll'), $lang->get('notify_send_unsuccessfull'));
}
} else {
$notify->add($lang->get('detailedpoll'), $lang->get('notify_send_unsuccessfull_fields_missing'));
$smarty->assign('values', $_POST['values']);
}
}
if (hasVoted($pollid, $login->currentUserId())) {
$smarty->assign('values', getMyAnswers($pollid, $login->currentUserId()));
}
$smarty->assign('sendAvailable', $poll['state'] == 1);
$smarty->assign('resultAvailable', $poll['state'] >= 2);
$smarty->assign('poll', $poll);
if ($poll['state'] >= 2) {
$questions = calculatePoll($pollid);
$smarty->assign('result', getCalculatedPoll($questions));
} else {
$questions = getQuestions($pollid);
}
$smarty->assign('questions', $questions);
$colors = array(0 => '#aaa', 1 => '#bbb', 2 => '#ccc', 3 => '#ddd');
$smarty->assign('color', $colors);
$smarty->assign('path', $template_dir . '/poll.tpl');
} else {
$allpolls = getPolls();
$smarty->assign('polls', $allpolls);
$smarty->assign('path', $template_dir . '/polls.tpl');
}
break;
}