/**
* Pick winners.
* @param int $num Number of winners to pick.
*/
function pick_winners($num = 1)
{
if (!is_numeric($num) || $num < 1) {
return false;
}
if (!$this->data['_valid']) {
return false;
}
$participants = cf_Participant::get_all($this->data['ID'], '', '', '', '', 'not_winner');
if (count($participants) < 1) {
return;
}
$this->set_status('winners_picked');
// generate a big entry_list
$entry_list = array();
$i = 0;
foreach ($participants as $participant) {
$entry_list[$i] = $participant->id;
$i++;
if (isset($participant->referral_to)) {
$num_referrals = $participant->referral_to;
$num_referrals = count($num_referrals);
$entries_for_referral = 1;
if (isset($this->data['cf_referral_entries']) && is_numeric($this->data['cf_referral_entries']) && $this->data['cf_referral_entries'] > 0) {
$entries_for_referral = $this->data['cf_referral_entries'];
}
for ($x = 0; $x < $num_referrals * $entries_for_referral; $x++) {
$entry_list[$i] = $participant->id;
$i++;
}
}
}
$admin_email = get_option('admin_email');
// echo '<pre>';var_dump($entry_list);echo '</pre>';
// check for random.org quota
$url = 'http://www.random.org/quota/?format=plain';
$curl = curl_init();
curl_setopt_array($curl, array(CURLOPT_RETURNTRANSFER => 1, CURLOPT_URL => $url, CURLOPT_USERAGENT => $admin_email));
$resp = curl_exec($curl);
curl_close($curl);
// echo '<pre>';var_dump(intval($resp));echo '</pre>';
$min = 0;
$max = count($entry_list) - 1;
if (empty($resp) || intval($resp) <= 0) {
$resp = range($min, $max);
$result = shuffle($resp);
if ($result) {
$result = $resp;
} else {
die('Error generating random array.');
}
} else {
$url = 'http://www.random.org/sequences/?min=' . $min . '&max=' . $max . '&col=1&format=plain&rnd=new';
$curl = curl_init();
curl_setopt_array($curl, array(CURLOPT_RETURNTRANSFER => 1, CURLOPT_URL => $url, CURLOPT_USERAGENT => $admin_email));
$resp = curl_exec($curl);
curl_close($curl);
if (empty($resp) || strpos($resp, 'Error:') !== false) {
$resp = range($min, $max);
$result = shuffle($resp);
if ($result) {
$result = $resp;
} else {
die('Error generating random array.');
}
} else {
$result = explode("\n", $resp);
if (empty($result[count($result) - 1])) {
unset($result[count($result) - 1]);
}
}
}
// echo '<pre>';var_dump($result);echo '</pre>';
$winners_num = $num;
if ($winners_num > count($participants)) {
$winners_num = count($participants);
}
// echo '<pre>';var_dump($winners_num);echo '</pre>';
$result_helper = 0;
$winner_helper = 1;
$winners = array();
while ($winner_helper <= $winners_num) {
$tmp = $result[$result_helper];
$result_helper += 1;
if (!in_array($entry_list[$tmp], $winners)) {
$winners[$winner_helper] = $entry_list[$tmp];
$winner_helper += 1;
}
if ($result_helper > count($result) - 1) {
break;
}
}
// echo '<pre>';var_dump($winners);echo '</pre>';
foreach ($winners as $winner) {
$participant = new cf_Participant($winner);
$participant->set_status('winner');
}
return true;
}
/**
* Processes email confirmation when double opt-in is set.
* @param string $confirm_code
*/
static function process_optin($confirm_code)
{
if (empty($confirm_code)) {
return false;
}
$participant = new cf_Participant($confirm_code, true);
// get participant based on the confirmation code
if (!$participant->_valid) {
return false;
}
if ($participant->status != 'not_confirmed') {
// check participant status, has not be not_confirmed or there is nothing to confirm
return false;
}
$contest = new cf_Contest($participant->contest_id);
// check if the contest participant is in, is valid
if (!$contest->_valid) {
return false;
}
if (isset($participant->tmp_referral)) {
// get referring participant and credit him the referral
$referral = new cf_Participant($participant->tmp_referral, true);
if ($referral->_valid) {
$referral->add_meta('referral_to', $participant->id);
}
$participant->del_meta('tmp_referral');
}
$participant->set_status('');
// change the participant status
// process stuff
self::process_email($contest, $participant);
self::process_integration($contest, $participant);
self::process_cookie($contest, $participant);
}
/**
* Init method, called when accessing the page. Handles processing of participant and contest $_POST and $_GET requests.
*/
function init()
{
$contest = '';
if (isset($_GET['contest'])) {
$contest = $_GET['contest'];
}
if (isset($_GET['export'])) {
cf_Table_Participants::export_csv($contest);
}
if (isset($_GET['togglevalid'])) {
$participant = new cf_Participant($_GET['togglevalid']);
if ($participant->_valid) {
if ($participant->status == 'not_valid') {
$participant->set_status('');
} else {
if ($participant->status != 'not_confirmed') {
$participant->set_status('not_valid');
}
}
}
$url = 'admin.php?page=' . self::page_id;
if (isset($_GET['contest'])) {
$url .= '&contest=' . $_GET['contest'];
}
wp_safe_redirect(admin_url($url));
die;
}
if (isset($_GET['del'])) {
$participant = new cf_Participant($_GET['del']);
if ($participant->_valid) {
$participant->delete();
}
$url = 'admin.php?page=' . self::page_id;
if (isset($_GET['contest'])) {
$url .= '&contest=' . $_GET['contest'];
}
wp_safe_redirect(admin_url($url));
die;
}
if (isset($_GET['contest'])) {
$contest = new cf_Contest($_GET['contest']);
if ($contest->_valid != true) {
wp_safe_redirect(admin_url('admin.php?page=' . cf_Page_Participants::page_id));
die;
}
if (isset($_POST['resetcontest'])) {
if ($contest->cf_status == 'winners_picked') {
$contest->set_status('active');
$contest->clear_winners();
}
if (isset($_GET['redirect']) && $_GET['redirect'] == 'contest') {
wp_safe_redirect(admin_url('admin.php?page=' . cf_Page_Contest::page_id . '&contest=' . $contest->ID . '&cf_page=dashboard'));
} else {
wp_safe_redirect(admin_url('admin.php?page=' . self::page_id . '&contest=' . $contest->ID));
}
die;
}
if (isset($_POST['setexpired'])) {
if ($contest->cf_status == 'expired') {
$contest->set_status('active');
} else {
if ($contest->cf_status == 'active' || $contest->cf_status == '') {
$contest->set_status('expired');
}
}
if (isset($_GET['redirect']) && $_GET['redirect'] == 'contest') {
wp_safe_redirect(admin_url('admin.php?page=' . cf_Page_Contest::page_id . '&contest=' . $contest->ID . '&cf_page=dashboard'));
} else {
wp_safe_redirect(admin_url('admin.php?page=' . self::page_id . '&contest=' . $contest->ID));
}
die;
}
if (isset($_POST['pickwinners'])) {
$winners_num = 1;
if (isset($contest->cf_winners_num) && is_numeric($contest->cf_winners_num) && $contest->cf_winners_num > 0) {
$winners_num = $contest->cf_winners_num;
}
$current_winners = $contest->get_current_winner_num();
$pick_num = intval($winners_num) - intval($current_winners);
if ($pick_num > 0) {
$contest->pick_winners($pick_num);
}
if (isset($_GET['redirect']) && $_GET['redirect'] == 'contest') {
wp_safe_redirect(admin_url('admin.php?page=' . cf_Page_Contest::page_id . '&contest=' . $contest->ID . '&cf_page=dashboard'));
} else {
wp_safe_redirect(admin_url('admin.php?page=' . self::page_id . '&contest=' . $contest->ID));
}
die;
}
if (isset($_POST['clearwinners'])) {
$contest->clear_winners();
if (isset($_GET['redirect']) && $_GET['redirect'] == 'contest') {
wp_safe_redirect(admin_url('admin.php?page=' . cf_Page_Contest::page_id . '&contest=' . $contest->ID . '&cf_page=dashboard'));
} else {
wp_safe_redirect(admin_url('admin.php?page=' . self::page_id . '&contest=' . $contest->ID));
}
die;
}
if (isset($_POST['pickwinner'])) {
$winners_num = 1;
if (isset($contest->cf_winners_num) && is_numeric($contest->cf_winners_num) && $contest->cf_winners_num > 0) {
$winners_num = $contest->cf_winners_num;
}
if ($contest->get_current_winner_num() < $winners_num) {
$participant = new cf_Participant($_POST['pickwinner']);
if ($participant->_valid) {
$participant->set_status('winner');
$contest->set_status('winners_picked');
}
}
if (isset($_GET['redirect']) && $_GET['redirect'] == 'contest') {
wp_safe_redirect(admin_url('admin.php?page=' . cf_Page_Contest::page_id . '&contest=' . $contest->ID . '&cf_page=dashboard'));
} else {
wp_safe_redirect(admin_url('admin.php?page=' . self::page_id . '&contest=' . $contest->ID));
}
die;
}
if (isset($_POST['removewinner'])) {
$participant = new cf_Participant($_POST['removewinner']);
if ($participant->_valid) {
if (substr($participant->status, 0, 6) == 'winner') {
$participant->set_status('');
}
}
if (isset($_GET['redirect']) && $_GET['redirect'] == 'contest') {
wp_safe_redirect(admin_url('admin.php?page=' . cf_Page_Contest::page_id . '&contest=' . $contest->ID . '&cf_page=dashboard'));
} else {
wp_safe_redirect(admin_url('admin.php?page=' . self::page_id . '&contest=' . $contest->ID));
}
die;
}
}
add_action('admin_footer', array(&$this, 'list_scripts'));
}
