/**
* Retrieves poll results
*
* @return array
**/
public function getResults()
{
$c = new Criteria();
$c->add(sfPollAnswerPeer::POLL_ID, $this->getId());
$c->addJoin(sfPollUserAnswerPeer::ANSWER_ID, sfPollAnswerPeer::ID);
$c->clearSelectColumns();
$c->addSelectColumn(sfPollAnswerPeer::ID);
$c->addSelectColumn(sfPollAnswerPeer::NAME);
$c->addAsColumn('count_votes', 'COUNT(' . sfPollUserAnswerPeer::ID . ')');
$c->addAsColumn('total_votes', '(SELECT COUNT(' . sfPollUserAnswerPeer::ID . ') FROM ' . sfPollUserAnswerPeer::TABLE_NAME . ' WHERE ' . sfPollUserAnswerPeer::POLL_ID . '=' . $this->getId() . ')');
$c->addGroupByColumn(sfPollUserAnswerPeer::ANSWER_ID);
$rs = sfPollAnswerPeer::doSelectRS($c);
$results = array();
while ($rs->next()) {
$count = $rs->getString(3);
$total = $rs->getString(4);
if (!$total) {
break;
// Avoid division by zero
}
$id = $rs->getString(1);
$percent = $count * 100 / $total;
$results[$id] = array('name' => $rs->getString(2), 'count' => $count, 'percent' => $percent);
}
foreach ($this->getsfPollAnswers() as $answer) {
if (!array_key_exists($answer->getId(), $results)) {
$results[$answer->getId()] = array('name' => $answer->getName(), 'count' => 0, 'percent' => 0);
}
}
return $results;
}
public static function doCountJoinAll(Criteria $criteria, $distinct = false, $con = null)
{
$criteria = clone $criteria;
$criteria->clearSelectColumns()->clearOrderByColumns();
if ($distinct || in_array(Criteria::DISTINCT, $criteria->getSelectModifiers())) {
$criteria->addSelectColumn(sfPollAnswerPeer::COUNT_DISTINCT);
} else {
$criteria->addSelectColumn(sfPollAnswerPeer::COUNT);
}
foreach ($criteria->getGroupByColumns() as $column) {
$criteria->addSelectColumn($column);
}
$criteria->addJoin(sfPollAnswerPeer::POLL_ID, sfPollPeer::ID);
$rs = sfPollAnswerPeer::doSelectRS($criteria, $con);
if ($rs->next()) {
return $rs->getInt(1);
} else {
return 0;
}
}
