public function actionActive()
{
$probability = 0;
$sn = '';
$rand = rand(1, 100000);
$table = 'wheel_awards';
$logTable = 'wheel_log';
$encryption = Yii::app()->request->getParam('encryption');
list($openId, $wheelId, $type) = explode('|', Globals::authcode($encryption, 'DECODE'));
$wheel = WheelModel::model()->findByPk($wheelId);
$awards = unserialize($wheel->awards);
//查看当前用户是否已中奖
$wheelInfo = WheelAwardsModel::model($table)->find('wheelId=:wheelId and openId=:openId and status<>0', array(':wheelId' => $wheelId, ':openId' => $openId));
if (!$wheelInfo) {
foreach ($awards as $k => $v) {
$probability += $v['probability'] * 1000;
$award[$k] = array('name' => $v['name'], 'num' => $probability);
}
//奖品不足时，发送激活码，
if ($probability < 100000) {
$award[] = array('name' => '谢谢参与', 'num' => 100000);
}
//返回给客户端的奖品名称
foreach ($award as $key => $val) {
if (isset($award[$key - 1])) {
if ($rand > $award[$key - 1]['num'] && $rand <= $val['num']) {
//if ($rand > $award[$key - 1]['num']) {
$return = $val;
$return['grade'] = $key;
break;
}
} else {
if ($rand > 0 && $rand <= $val['num']) {
$return = $val;
$return['grade'] = $key;
break;
}
}
}
if ($return['grade'] > 0) {
$awardCount = WheelAwardsModel::model($table)->count('grade=:grade and wheelId=:wheelId and status<>0', array(':grade' => $return['grade'], ':wheelId' => $wheelId));
//已中奖个数
if ($awardCount <= 0 || $awardCount < $awards[$return['grade']]['count']) {
//未超过系统设置中奖个数
if ($awards[$return['grade']]['isentity'] == 1) {
//人工干预抽奖，实现每天送出15个一等奖和二等奖
$shiwuCount = WheelAwardsModel::model($table)->count('grade=:grade and datetime>:start and datetime<:end', array(':grade' => $return['grade'], ':start' => strtotime(date('Y-m-d')) - 1, ':end' => strtotime(date('Y-m-d') . " 23:59:59")));
if ($shiwuCount < 15) {
$awardModel = new WheelAwardsModel($table);
$awardModel->openId = $openId;
$awardModel->wheelId = $wheelId;
$awardModel->grade = $return['grade'];
$awardModel->code = $return['name'];
$awardModel->isentity = isset($awards[$return['grade']]['isentity']) ? $awards[$return['grade']]['isentity'] : 0;
$awardModel->status = 0;
$awardModel->type = $type;
$awardModel->datetime = time();
$awardModel->save();
} else {
$return = array('grade' => 0, 'name' => '谢谢参与', 'num' => 100000);
}
} else {
//码类
$awardData = WheelAwardsModel::model($table)->find('wheelId=:wheelId and grade=:grade and type=:type and status=0', array(':wheelId' => $wheelId, ':grade' => $return['grade'], ':type' => $type));
if ($awardData) {
//是否还有码
$sn = $awardData->code;
$awardData->status = 1;
$awardData->openId = $openId;
$awardData->datetime = time();
$awardData->save();
} else {
$return = array('grade' => 0, 'name' => '谢谢参与', 'num' => 100000);
}
}
}
}
} else {
$return = array('grade' => 0, 'name' => '谢谢参与', 'num' => 100000);
}
//log
$log = new WheelLogModel($logTable);
$log->datetime = time();
$log->openId = $openId;
$log->wheelId = $wheelId;
//$log->save();
$encryption = Globals::authcode($openId . '|' . $return['grade'] . '|' . $wheelId, 'ENCODE');
echo json_encode(array('success' => $return['grade'] > 0 ? 1 : 0, 'prizetype' => $return['grade'], 'sn' => $sn, 'name' => $return['name'], 'encryption' => $encryption));
}
