/**
* ajax获取随机的抽奖奖项
* 从长度为100的数组中随机一个值
*/
public function RandAwardAction()
{
$activityId = $this->getParam('activityId', null);
$activity = $this->activityModel->getById($activityId);
$now = time();
if ($activity->endTime->getTimestamp() < $now || $now < $activity->startTime->getTimestamp()) {
return new UnifyJsonModel(array(0));
}
$user = $this->userModel->getById($this->identity()->id);
$is_lucky = 0;
switch ($activityId) {
case 2:
$is_lucky = $user->is_luck_draw_1;
break;
case 3:
$is_lucky = $user->is_luck_draw_2;
break;
case 4:
$is_lucky = $user->is_luck_draw_3;
break;
case 6:
$is_lucky = $user->is_luck_draw_4;
break;
}
if ($is_lucky == 0) {
return new ErrorJsonModel(1022, '抱歉！您不满足参与该活动的条件');
}
$existed = $this->awardModel->isWin($activityId, $this->identity()->id);
if (!empty($existed)) {
return new ErrorJsonModel(1021, '对不起！您已经参与过该活动');
}
//随机奖项
$items = $this->awardModel->getList($activityId);
$randArr = array();
foreach ($items as $item) {
if ($item->count != 0) {
$randArr[] = $item->goods->id;
}
}
if (count($randArr) == 0) {
//没有中奖
$randArr[] = -1;
$randArr[] = -2;
$randArr[] = -3;
}
$r = rand(0, count($randArr) - 1);
$goodsId = $randArr[$r];
if ($goodsId > 0) {
//奖项数量-1
$item = $this->awardModel->getByActivityIdAndGoodsId($activityId, $goodsId);
$item->count -= 1;
$this->awardModel->save($item);
//添加到中奖列表
$win = new WinEntity();
$win->item = $item;
$win->user = $this->identity()->id;
$win->activityId = $activityId;
$this->awardModel->saveWin($win);
$data = array('first' => '恭喜您参与的活动中奖了！', 'keyword1' => '幸运转盘大抽奖', 'keyword2' => $item->goods->name, 'remark' => '感谢您的参与。');
$tplId = WechatMessageEntity::TEMPLATE_LUCKY_DRAW;
$this->wechat->sendTemplateMessage($user->open_id, $tplId, $data);
} else {
//添加到中奖列表
$win = new WinEntity();
$win->item = null;
$win->activityId = $activityId;
$win->user = $this->identity()->id;
$this->awardModel->saveWin($win);
}
return new UnifyJsonModel(array($goodsId));
}
