hyperf_service/app/Service/Amqp/Refund/RefundService.php

<?php

namespace App\Service\Amqp\Refund;

use App\Constants\Common\OrderCode;
use App\Constants\Common\PayCode;
use App\Constants\Common\RefundCode;
use App\Lib\Log;
use App\Model\Order;
use App\Model\PayOrder;
use App\Model\RefundOrder;
use App\Service\Common\Pay\Wx\WxJsRechargeOrderService;
use App\Service\ServiceTrait\Api\OrderTrait;
use Exception;
use Hyperf\Di\Annotation\Inject;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class RefundService
{
    use OrderTrait;

    /**
     * @var int
     */
    public int $orderId;

    /**
     * @var int
     */
    public int $type;

    /**
     * @var string
     */
    public string $reason;

    /**
     * @var PayOrder
     */
    #[Inject]
    protected PayOrder $payOrderModel;

    /**
     * @var Order
     */
    #[Inject]
    protected Order $orderModel;

    /**
     * @var RefundOrder
     */
    #[Inject]
    protected RefundOrder $refundOrderModel;

    /**
     * @var Log
     */
    #[Inject]
    protected Log $log;


    /**
     * @var mixed
     */
    protected mixed $payInfo;

    /**
     * @var mixed
     */
    protected mixed $orderInfo;

    /**
     * @var mixed
     */
    protected mixed $refundInfo;

    /**
     * @var float
     */
    public float $refundAmount;

    /**
     * @var float
     */
    protected float $isRefundMoney;

    /**
     * @return void
     * @throws Exception
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function handle(): void
    {
        $errMsg = null;

        try {
            $this->getOrderInfo();

            $this->checkOrder();

            $this->getPayAndRefundOrder();

            $this->getAllRefundMoneyByOrderId();

            $this->checkRefundAmount();

            $this->insertRefundOrder();

            $this->refund();
        } catch (Exception $e) {
            $this->log->error('RefundOrderConsumer:RefundService:error:'.$e->getMessage());
            $errArr = explode(":", $e->getMessage());
            $errMsg = $errArr[0];
        }

        $this->updateRefund($errMsg);
    }

    /**
     * @return void
     * @throws Exception
     */
    private function insertRefundOrder(): void
    {
        $this->refundInfo = new RefundOrder();

        $this->refundInfo->user_id = $this->orderInfo->user_id;
        $this->refundInfo->order_type = $this->type;
        $this->refundInfo->order_id = $this->orderId;
        $this->refundInfo->pay_id = $this->payInfo->id;
        $this->refundInfo->refund_status = RefundCode::WAIT_REFUND;
        $this->refundInfo->refund_money = $this->refundAmount;
        $this->refundInfo->refund_type = $this->payInfo->recharge_type;
        $this->refundInfo->refund_order_sno = $this->generateRefundOrderNo($this->type, $this->orderInfo->user_id);
        $this->refundInfo->reason = $this->reason;

        if (!$this->refundInfo->save()) throw new Exception('退款订单创建失败');
    }

    /**
     * @return void
     * @throws Exception
     */
    protected function getPayAndRefundOrder(): void
    {
        $this->payInfo = $this->payOrderModel->getInfoByOrderIdAndType($this->orderId, $this->type);

//        $this->refundInfo = $this->refundOrderModel->getInfoByOrderIdAndTypeWaitRefund($this->orderId,$this->type);

        if (!$this->payInfo) throw new Exception('订单信息不存在');

        if ($this->payInfo->status != PayCode::FINISH_PAY) throw new Exception('订单支付状态不是成功');
    }

    /**
     * @return void
     */
    protected function getOrderInfo(): void
    {
        $this->orderInfo = match ($this->type) {
            OrderCode::ORDER_TYPE_GOOD => $this->orderModel->getInfoById($this->orderId),
            default => null,
        };
    }

    /**
     * @return void
     * @throws Exception
     */
    protected function checkOrder(): void
    {
        if (empty($orderInfo)) throw new Exception('订单信息不存在:'.json_encode(['order_id' => $this->orderId,'order_type' => $this->type]));

        if (!in_array($orderInfo->status,OrderCode::CAN_REFUND_STATUS)) throw new Exception('订单状态不能退款:'.json_encode($this->orderInfo->toArray()));

        //余额订单必须退款全部金额
        if ($this->type == OrderCode::ORDER_TYPE_BALANCE && $this->refundAmount != $this->orderInfo->actual_price) throw new Exception('余额订单必须退款全部金额:'.json_encode($this->orderInfo->toArray()));
    }

    /**
     * @return void
     */
    protected function getAllRefundMoneyByOrderId(): void
    {
        $this->isRefundMoney = $this->refundOrderModel->getSuccessMoneyByOrderId($this->orderId,$this->type);
    }

//    protected function getUser()
//    {
//        //todo 获取用户信息
//    }

    /**
     * @return void
     * @throws Exception
     */
    protected function checkRefundAmount(): void
    {
        // 等于支付金额 减去 已退款金额 减去 本次退款金额 小于 0 就是错误的 大于等于 0 就是正确的
        if ($this->orderInfo->actual_price - $this->isRefundMoney - $this->refundAmount < 0) throw new Exception('退款金额不能大于订单金额');

        $this->refundAmount = 0;
    }

    /**
     * @param null $errMsg
     * @return void
     * @throws Exception
     */
    protected function updateRefund($errMsg = null): void
    {
        $status = RefundCode::REFUND_FAIL;

        if (empty($errMsg)) {
            $status = RefundCode::WAIT_BY_PAY_TOOL;
            $errMsg = '等待支付工具退款';
        }

        $this->refundInfo->refund_status = $status;
        $this->refundInfo->remark = $errMsg;

        if (!$this->refundInfo->save()) throw new Exception('退款订单更新失败');
    }

    /**
     * @return void
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    protected function refund(): void
    {
        $rechargeService = match ($this->refundInfo->refund_type)
        {
            PayCode::ALIPAY => $this->setAliPayRefund(),
            PayCode::WECHAT_PAY => $this->setWechatPayRefund(),
        };

        $rechargeService->setConfig();
        $rechargeService->setRefundNotify();

        $rechargeService->refund(
            $this->refundAmount,
            (float)$this->orderInfo->actual_price,
            $this->orderInfo->order_no,
            $this->refundInfo->refund_no,
        );
    }

    /**
     * @return null
     */
    protected function setAliPayRefund()
    {
        return null;
    }

    /**
     * @return WxJsRechargeOrderService
     */
    protected function setWechatPayRefund(): WxJsRechargeOrderService
    {
        return new WxJsRechargeOrderService();
    }
}