fengketrade/addons/shopro/library/ccblife/CcbPaymentService.php

<?php

namespace addons\shopro\library\ccblife;

use app\admin\model\shopro\order\Order;
use think\Db;
use think\Log;

/**
 * 建行生活支付服务类
 * 处理支付串生成、支付回调、支付验证等业务
 */
class CcbPaymentService
{
    /**
     * 配置信息
     */
    private $config;

    /**
     * 订单服务实例
     */
    private $orderService;

    /**
     * 构造函数
     */
    public function __construct()
    {
        $this->config = config('ccblife');
        $this->orderService = new CcbOrderService();
    }

    /**
     * 生成建行支付串
     * 用于前端JSBridge调用建行收银台
     *
     * @param int $orderId Shopro订单ID
     * @return array ['status' => bool, 'message' => string, 'data' => array]
     */
    public function generatePaymentString($orderId)
    {
        try {
            // 获取订单信息
            $order = Order::find($orderId);
            if (!$order) {
                throw new \Exception('订单不存在');
            }

            // 检查订单状态
            if ($order['status'] != 'unpaid') {
                throw new \Exception('订单状态不正确');
            }

            // 获取用户建行ID
            $user = Db::name('user')->where('id', $order['user_id'])->field('ccb_user_id')->find();
            if (empty($user['ccb_user_id'])) {
                throw new \Exception('用户未绑定建行账号');
            }

            // 生成支付串签名（Shopro 使用 total_fee 作为支付金额字段）
            $result = CcbMD5::generatePaymentSignature(
                $this->config['merchant_id'],
                $this->config['pos_id'],
                $this->config['branch_id'],
                $order['order_sn'],
                number_format($order['total_fee'], 2, '.', ''),  // 使用 total_fee
                $this->config['private_key'],
                '01',    // 币种：人民币
                '530550' // 交易码
            );

            // 构建完整的支付URL
            $paymentUrl = $this->buildPaymentUrl($result['params'], $result['mac']);

            // 记录支付请求
            $this->recordPaymentRequest($orderId, $result);

            return [
                'status' => true,
                'message' => '支付串生成成功',
                'data' => [
                    'payment_string' => $result['payment_string'],
                    'mac' => $result['mac'],
                    'payment_url' => $paymentUrl,
                    'order_sn' => $order['order_sn'],
                    'amount' => number_format($order['total_fee'], 2, '.', '')
                ]
            ];

        } catch (\Exception $e) {
            Log::error('建行支付串生成失败: ' . $e->getMessage());
            return [
                'status' => false,
                'message' => $e->getMessage(),
                'data' => null
            ];
        }
    }

    /**
     * 处理支付回调
     * 建行支付完成后的同步回调
     *
     * @param array $params URL参数
     * @return array
     */
    public function handleCallback($params)
    {
        try {
            // 解密ccbParamSJ参数
            if (isset($params['ccbParamSJ'])) {
                $decryptedParams = CcbUrlDecrypt::decrypt($params['ccbParamSJ'], $this->config['service_id']);
                if ($decryptedParams) {
                    $params = array_merge($params, $decryptedParams);
                }
            }

            // 获取关键参数
            $orderSn = $params['ORDERID'] ?? '';
            $posId = $params['POSID'] ?? '';
            $success = $params['SUCCESS'] ?? 'N';

            // 验证参数
            if (empty($orderSn)) {
                throw new \Exception('订单号不能为空');
            }

            // 验证POS号
            if ($posId != $this->config['pos_id']) {
                throw new \Exception('POS号验证失败');
            }

            // 查询订单
            $order = Order::where('order_sn', $orderSn)->find();
            if (!$order) {
                throw new \Exception('订单不存在');
            }

            // 处理支付结果
            if ($success == 'Y') {
                // 支付成功，更新订单状态
                $this->updateOrderPaymentStatus($order, $params);

                // 同步订单到建行
                $this->orderService->pushOrder($order['id']);

                return [
                    'status' => true,
                    'message' => '支付成功',
                    'data' => [
                        'order_id' => $order['id'],
                        'order_sn' => $orderSn,
                        'amount' => $params['PAYMENT'] ?? ''
                    ]
                ];
            } else {
                // 支付失败
                return [
                    'status' => false,
                    'message' => '支付失败',
                    'data' => [
                        'order_id' => $order['id'],
                        'order_sn' => $orderSn,
                        'error_code' => $params['ERRCODE'] ?? '',
                        'error_msg' => $params['ERRMSG'] ?? ''
                    ]
                ];
            }

        } catch (\Exception $e) {
            Log::error('建行支付回调处理失败: ' . $e->getMessage());
            return [
                'status' => false,
                'message' => $e->getMessage(),
                'data' => null
            ];
        }
    }

    /**
     * 处理异步通知
     * 建行支付异步通知处理
     *
     * @param array $params 通知参数
     * @return string 'success' 或 'fail'
     */
    public function handleNotify($params)
    {
        try {
            // 验证签名
            if (!$this->verifyNotifySignature($params)) {
                throw new \Exception('签名验证失败');
            }

            // 获取订单信息
            $orderSn = $params['ORDERID'] ?? '';
            $order = Order::where('order_sn', $orderSn)->find();

            if (!$order) {
                throw new \Exception('订单不存在');
            }

            // 如果订单已支付，直接返回成功
            if ($order['status'] == 'paid') {
                return 'success';
            }

            // 更新订单状态
            $this->updateOrderPaymentStatus($order, $params);

            // 同步到建行
            $this->orderService->pushOrder($order['id']);

            return 'success';

        } catch (\Exception $e) {
            Log::error('建行支付异步通知处理失败: ' . $e->getMessage());
            return 'fail';
        }
    }

    /**
     * 验证支付结果
     * 主动查询订单支付状态
     *
     * @param string $orderSn 订单号
     * @return bool
     */
    public function verifyPayment($orderSn)
    {
        try {
            // 查询建行订单状态
            $result = $this->orderService->queryOrder($orderSn);

            if ($result['status']) {
                $data = $result['data']['CLD_BODY'] ?? [];
                $txnStatus = $data['TXN_STATUS'] ?? '';

                // 00=交易成功
                return $txnStatus == '00';
            }

            return false;

        } catch (\Exception $e) {
            Log::error('建行支付验证失败: ' . $e->getMessage());
            return false;
        }
    }

    /**
     * 构建支付URL
     *
     * @param array $params 支付参数
     * @param string $mac 签名
     * @return string
     */
    private function buildPaymentUrl($params, $mac)
    {
        // 添加必要参数
        $params['MAC'] = $mac;
        $params['REMARK2'] = $this->config['service_id']; // 服务方编号

        // 生成查询字符串
        $queryString = http_build_query($params);

        // 返回完整URL（实际使用时通过JSBridge调用，不直接访问）
        return $this->config['cashier_url'] . '?' . $queryString;
    }

    /**
     * 更新订单支付状态
     *
     * @param object $order 订单对象
     * @param array $params 支付参数
     */
    private function updateOrderPaymentStatus($order, $params)
    {
        // 更新订单状态为已支付
        Order::where('id', $order['id'])->update([
            'status' => 'paid',
            'pay_type' => 'ccb',
            'paytime' => time(),
            'transaction_id' => $params['ORDERID'] ?? '',
            'updatetime' => time()
        ]);

        // 记录支付日志
        $this->recordPaymentLog($order['id'], 'payment_success', $params);
    }

    /**
     * 验证异步通知签名
     *
     * @param array $params 通知参数
     * @return bool
     */
    private function verifyNotifySignature($params)
    {
        // 获取签名
        $signature = $params['SIGN'] ?? '';
        if (empty($signature)) {
            return false;
        }

        // 移除签名字段
        unset($params['SIGN']);

        // 按照建行要求的方式构建签名字符串
        ksort($params);
        $signStr = '';
        foreach ($params as $key => $value) {
            if ($value !== '') {
                $signStr .= $key . '=' . $value . '&';
            }
        }
        $signStr = rtrim($signStr, '&');

        // 使用私钥计算签名
        $expectedSign = md5($signStr . $this->config['private_key']);

        return strtolower($signature) === strtolower($expectedSign);
    }

    /**
     * 记录支付请求
     *
     * @param int $orderId 订单ID
     * @param array $paymentData 支付数据
     */
    private function recordPaymentRequest($orderId, $paymentData)
    {
        // 获取订单信息
        $order = Order::find($orderId);
        $user = Db::name('user')->where('id', $order['user_id'])->field('ccb_user_id')->find();

        // 记录到建行支付日志表
        Db::name('ccb_payment_log')->insert([
            'order_id' => $orderId,
            'order_sn' => $order['order_sn'],
            'pay_flow_id' => $order['order_sn'],  // 使用订单号作为流水号
            'payment_string' => $paymentData['payment_string'] ?? '',
            'user_id' => $order['user_id'],
            'ccb_user_id' => $user['ccb_user_id'] ?? '',
            'amount' => $order['total_fee'],
            'status' => 0,  // 待支付
            'create_time' => time()
        ]);
    }

    /**
     * 记录支付日志
     *
     * @param int $orderId 订单ID
     * @param string $type 日志类型
     * @param array $data 数据
     */
    private function recordPaymentLog($orderId, $type, $data)
    {
        // 更新建行支付日志
        if ($type == 'payment_success') {
            Db::name('ccb_payment_log')
                ->where('order_id', $orderId)
                ->update([
                    'status' => 1,  // 支付成功
                    'pay_time' => time(),
                    'trans_id' => $data['ORDERID'] ?? '',
                    'callback_data' => json_encode($data, JSON_UNESCAPED_UNICODE)
                ]);
        }
    }

    /**
     * 生成退款申请
     *
     * @param int $orderId 订单ID
     * @param float $refundAmount 退款金额
     * @param string $refundReason 退款原因
     * @return array
     */
    public function refund($orderId, $refundAmount, $refundReason = '')
    {
        try {
            // 调用订单服务处理退款
            $result = $this->orderService->refundOrder($orderId, $refundAmount, $refundReason);

            if ($result['status']) {
                // 记录退款日志
                $this->recordPaymentLog($orderId, 'refund_request', [
                    'amount' => $refundAmount,
                    'reason' => $refundReason
                ]);
            }

            return $result;

        } catch (\Exception $e) {
            Log::error('建行退款申请失败: ' . $e->getMessage());
            return [
                'status' => false,
                'message' => $e->getMessage(),
                'data' => null
            ];
        }
    }
}