store\controllers\ApplyController::actionUpdate PHP Method

    public function actionUpdate($id)
    {
        $model = Apply::findOne(['id' => $id, 'store_id' => Yii::$app->user->identity->store_id, 'status' => Apply::STATUS_REJECTED]);
        if (!$model) {
            throw new BadRequestHttpException('参数错误。');
        }
        if (Yii::$app->request->isPost) {
            $countArr = Yii::$app->request->post('count');
            $fee = 0;
            $hasError = false;
            if (empty($countArr) || !is_array($countArr)) {
                $hasError = true;
                Yii::$app->session->setFlash('danger', '参数错误。');
            }
            if (!$hasError) {
                foreach ($model->goods as $key => $modelApplyGoods) {
                    $modelApplyGoods->count = $countArr[$key];
                    if ($modelApplyGoods->validate()) {
                        $fee = bcadd($fee, $modelApplyGoods->fee, 2);
                    } else {
                        $hasError = true;
                    }
                }
                if ($hasError) {
                    Yii::$app->session->setFlash('danger', '采购数量必须大于0且不超过500.');
                }
            }
            if (!$hasError) {
                $transaction = Yii::$app->db->beginTransaction();
                try {
                    $model->status = Apply::STATUS_PENDING;
                    $model->fee = $fee;
                    if (!$model->save(false)) {
                        throw new \Exception('保存申请失败！');
                    }
                    foreach ($model->goods as $modelApplyGoods) {
                        if (!$modelApplyGoods->save(false)) {
                            throw new \Exception('记录商品清单失败！');
                        }
                    }
                    $modelApplyLog = new ApplyLog();
                    $modelApplyLog->apply_id = $id;
                    $modelApplyLog->remark = '再次提交申请。';
                    if (!$modelApplyLog->save(false)) {
                        throw new \Exception('商品申请记录失败！');
                    }
                    $transaction->commit();
                    Yii::$app->session->setFlash('success', '采购申请提交成功，请您耐心等待，申请结果将发送至您店铺中的手机号上。');
                    return $this->redirect(['view', 'id' => $id]);
                } catch (\Exception $e) {
                    $transaction->rollBack();
                    Yii::$app->session->setFlash('danger', $e->getMessage());
                }
            }
        }
        return $this->render('update', ['model' => $model]);
    }