public function actionApply()
{
$activityId = Yii::$app->request->get('id');
$activityInfo = Activity::findOne(['id' => $activityId]);
if ($activityInfo['status'] != Activity::BEGIN_SIGN_UP) {
throw new ServerErrorHttpException('该活动的状态不是开始报名，谢谢。');
}
if (Yii::$app->user->isGuest) {
return $this->redirect(['/user/register', 'activity_id' => $activityId]);
} else {
$userId = Yii::$app->user->id;
$CredentialsNumber = UsersInfo::getCredentialsNumberByUserId($userId);
if (Yii::$app->user->identity->status != '1') {
throw new ServerErrorHttpException('系统错误,原因：您目前的状态是未审核，不能报名课程，谢谢。');
}
$activityLevelInfo = Level::findOne(['id' => $activityInfo['level_id']]);
if ($activityLevelInfo['order'] != Yii::$app->user->identity->level_order + 1) {
throw new ServerErrorHttpException('系统错误,原因：您目前没有权限报名该级别下的课程，谢谢。');
}
//检查用户参与的课程，状态不是取消的都算是已经参与了报名
$isExist = ActivityUsers::getUserIsExistActivityStatus($userId, $activityInfo['level_id']);
if (!empty($isExist)) {
throw new ServerErrorHttpException('系统错误,原因：您已经参与了该级别下的培训课程，请耐心等待培训结果，谢谢。');
}
//报名成功，给出用户的序号
$activityUsersOrder = ActivityUsers::getActivityUsersOrder($userId, $activityId);
if (empty($activityUsersOrder)) {
$activityUsersOrder = 1;
}
$transaction = Yii::$app->db->beginTransaction();
$data = ['activity_id' => $activityId, 'user_id' => $userId, 'status' => ActivityUsers::APPROVED, 'practice_score' => 0, 'theory_score' => 0, 'rule_score' => 0, 'level_id' => $activityInfo['level_id'], 'orders' => $activityUsersOrder];
$model = new ActivityUsers();
$model->setAttributes($data);
if ($model->save()) {
$activityUserId = $model->id;
$activityUser = ActivityUsers::findOne(['id' => $activityUserId]);
$activityName = Activity::getOneActivityNameById($activityUser['activity_id']);
$data = ['orders' => $activityUser['orders'], 'activityName' => $activityName];
//新增一条用户和级别对应的信息
$userLevelModel = new UsersLevel();
$userLevelModel->user_id = $userId;
$userLevelModel->activity_id = $activityId;
$userLevelModel->level_id = $activityInfo['level_id'];
$userLevelModel->credentials_number = $CredentialsNumber;
if (!$userLevelModel->save()) {
$transaction->rollBack();
throw new ServerErrorHttpException('更新状态错误，原因：' . json_encode($userLevelModel->errors, JSON_UNESCAPED_UNICODE) . '！');
} else {
$transaction->commit();
}
return $this->render('/activity/apply-success', ['data' => $data]);
} else {
throw new ServerErrorHttpException('系统错误,原因：' . json_encode($model->errors, JSON_UNESCAPED_UNICODE));
}
}
}
