cshenfu
2023-05-08 2469d92f4c189eb595216707f4b4f0786fadb23f
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/**
 * uni-pay-co 统一支付服务实现
 */
 
const crypto = require("crypto");
 
const uniPay = require("uni-pay");
 
const configCenter = require("uni-config-center");
 
const config = configCenter({ pluginId: 'uni-pay' }).requireFile('config.js');
 
const dao = require('../dao');
 
const libs = require('../libs');
 
const { UniCloudError, isUniPayError, ERROR } = require('../common/error')
 
const db = uniCloud.database();
const _ = db.command;
 
const notifyPath = "/payNotify/";
 
class service {
    constructor(obj) {
 
    }
 
    /**
     * 获取支付插件的完整配置
     */
    getConfig() {
        return config;
    }
    /**
     * 支付成功 - 异步通知
     */
    async paymentNotify(data = {}) {
        let {
            httpInfo,
            clientInfo,
            cloudInfo
        } = data;
        let path = httpInfo.path;
        let pay_type = path.substring(notifyPath.length);
        let provider = pay_type.split("-")[0]; // 获取支付供应商
        let provider_pay_type = pay_type.split("-")[1]; // 获取支付方式
        let original_data = libs.common.getNotifyData({ httpInfo, provider }); // 获取原始回调数据
        // 初始化uniPayInstance
        let uniPayInstance = await this.initUniPayInstance({ provider, provider_pay_type });
        let notifyType = await uniPayInstance.checkNotifyType(httpInfo);
        if (notifyType !== "payment") {
            // 由于支付宝部分退款会触发支付成功的回调,但同时签名验证是算未通过的,为了避免支付宝重复推送,这里可以直接返回成功告知支付宝服务器,不用再推送过来了。
            return libs.common.returnNotifySUCCESS({ provider, provider_pay_type });
        }
        let verifyResult = await uniPayInstance.verifyPaymentNotify(httpInfo);
        if (!verifyResult) {
            console.log('---------!签名验证未通过!---------');
            console.log('---------!签名验证未通过!---------');
            console.log('---------!签名验证未通过!---------');
            return {}
        }
        console.log('---------!签名验证通过!---------');
        verifyResult = JSON.parse(JSON.stringify(verifyResult)); // 这一句代码有用,请勿删除。
        let {
            outTradeNo,
            totalFee,
            transactionId,
            resultCode, // 微信支付v2和支付宝支付判断成功的字段
            openid,
            appId,
            tradeState, // 微信支付v3判断支付成功的字段
        } = verifyResult;
        //console.log('verifyResult: ', verifyResult)
 
        if (resultCode == "SUCCESS" || tradeState === "SUCCESS") {
            let time = Date.now();
            let payOrderInfo = await dao.uniPayOrders.updateAndReturn({
                whereJson: {
                    status: 0, // status:0 为必须条件,防止重复推送时的错误
                    out_trade_no: outTradeNo, // 商户订单号
                },
                dataJson: {
                    status: 1, // 设置为已付款
                    transaction_id: transactionId, // 第三方支付单号
                    pay_date: time,
                    notify_date: time,
                    openid,
                    original_data,
                }
            });
            //console.log('payOrderInfo: ', payOrderInfo)
            if (payOrderInfo) {
                // 只有首次推送才执行用户自己的逻辑处理。
                // 用户自己的逻辑处理 开始-----------------------------------------------------------
                let userOrderSuccess = false;
                let orderPaySuccess;
                try {
                    // 加载自定义异步回调函数
                    orderPaySuccess = require(`../notify/${payOrderInfo.type}`);
                } catch (err) {
                    console.log(err);
                }
                if (typeof orderPaySuccess === "function") {
                    console.log('用户自己的回调逻辑 - 开始执行');
                    userOrderSuccess = await orderPaySuccess({
                        verifyResult,
                        data: payOrderInfo,
                        clientInfo,
                        cloudInfo
                    });
                    console.log('用户自己的回调逻辑 - 执行完成');
                }
                console.log('userOrderSuccess', userOrderSuccess);
                // 用户自己的逻辑处理 结束-----------------------------------------------------------
 
                await dao.uniPayOrders.updateAndReturn({
                    whereJson: {
                        status: 1,
                        out_trade_no: outTradeNo,
                    },
                    dataJson: {
                        user_order_success: userOrderSuccess,
                    }
                });
 
            } else {
                console.log('---------!注意:本次回调非首次回调,已被插件拦截,插件不会执行你的回调函数!---------');
                console.log('---------!注意:本次回调非首次回调,已被插件拦截,插件不会执行你的回调函数!---------');
                console.log('---------!注意:本次回调非首次回调,已被插件拦截,插件不会执行你的回调函数!---------');
                console.log('verifyResult:', verifyResult);
            }
        } else {
            console.log('verifyResult:', verifyResult);
        }
 
        return libs.common.returnNotifySUCCESS({ provider, provider_pay_type });
    }
 
    /**
     * 统一支付 - 创建支付订单
     */
    async createOrder(data = {}) {
        let {
            provider, // 支付供应商
            total_fee, // 支付金额
            user_id, // 用户user_id(统计需要)
            openid, // 用户openid
            order_no, // 订单号
            out_trade_no, // 支付插件订单号
            description, // 订单描述
            type, // 回调类型
            qr_code, // 是否强制使用扫码支付
            clientInfo, // 客户端信息
            cloudInfo, // 云端信息
 
            custom, // 自定义参数(不会发送给第三方支付服务器)
            other, // 其他请求参数(会发送给第三方支付服务器)
        } = data;
        let subject = description;
        let body = description;
        if (!out_trade_no) out_trade_no = libs.common.createOrderNo();
        if (!order_no || typeof order_no !== "string") {
            throw { errCode: ERROR[51003] };
        }
        if (!type || typeof type !== "string") {
            throw { errCode: ERROR[51004] };
        }
        if (typeof total_fee !== "number" || total_fee <= 0 || total_fee % 1 !== 0) {
            throw { errCode: ERROR[51005] };
        }
        if (!description || typeof description !== "string") {
            throw { errCode: ERROR[51006] };
        }
        if (!provider || typeof provider !== "string") {
            throw { errCode: ERROR[51007] };
        }
        if (!clientInfo) {
            throw { errCode: ERROR[51008] };
        }
        if (!cloudInfo) {
            throw { errCode: ERROR[51009] };
        }
        let res = { errCode: 0, errMsg: 'ok', order_no, out_trade_no, provider };
 
        let {
            clientIP: client_ip,
            userAgent: ua,
            appId: appid,
            deviceId: device_id,
            platform
        } = clientInfo;
        let {
            spaceId, // 服务空间ID
        } = cloudInfo;
        let {
            notifyUrl = {}
        } = config;
        // 业务逻辑开始-----------------------------------------------------------
        // 以下代码是为了兼容公测版迁移到正式版的空间
        let notifySpaceId = spaceId;
        if (!notifyUrl[notifySpaceId]) {
            if (notifySpaceId.indexOf("mp-") === 0) {
                notifySpaceId = notifySpaceId.substring(3);
            } else {
                notifySpaceId = `mp-${notifySpaceId}`
            }
        }
        // 以上代码是为了兼容公测版迁移到正式版的空间
        let currentNotifyUrl = notifyUrl[notifySpaceId] || notifyUrl["default"]; // 异步回调地址
        if (!currentNotifyUrl || currentNotifyUrl.indexOf("http") !== 0) {
            throw { errCode: ERROR[52002] };
        }
        platform = libs.common.getPlatform(platform);
        // 如果需要二维码支付模式,则清空下openid
        if (qr_code) {
            openid = undefined;
            res.qr_code = qr_code;
        }
        // 获取并自动匹配支付供应商的支付类型
        let provider_pay_type = libs.common.getProviderPayType({
            platform,
            provider,
            ua,
            qr_code
        });
        res.provider_pay_type = provider_pay_type;
        // 拼接实际异步回调地址
        let finalNotifyUrl = `${currentNotifyUrl}${notifyPath}${provider}-${provider_pay_type}`;
 
        // 获取uniPay交易类型
        let tradeType = libs.common.getTradeType({ provider, provider_pay_type });
 
        let uniPayConifg = await this.getUniPayConfig({ provider, provider_pay_type });
        // 初始化uniPayInstance
        let uniPayInstance = await this.initUniPayInstance({ provider, provider_pay_type });
 
        // 获取支付信息
        let getOrderInfoParam = {
            openid: openid,
            subject: subject,
            body: body,
            outTradeNo: out_trade_no,
            totalFee: total_fee,
            notifyUrl: finalNotifyUrl,
            tradeType: tradeType
        };
        if (provider === "wxpay" && provider_pay_type === "mweb") {
            getOrderInfoParam.spbillCreateIp = client_ip;
            if (uniPayConifg.version !== 3) {
                // v2版本
                getOrderInfoParam.sceneInfo = uniPayConifg.sceneInfo;
            } else {
                // v3版本特殊处理
                getOrderInfoParam.sceneInfo = JSON.parse(JSON.stringify(uniPayConifg.sceneInfo));
                if (getOrderInfoParam.sceneInfo.h5_info.wap_url) {
                    getOrderInfoParam.sceneInfo.h5_info.app_url = getOrderInfoParam.sceneInfo.h5_info.wap_url;
                    delete getOrderInfoParam.sceneInfo.h5_info.wap_url;
                }
                if (getOrderInfoParam.sceneInfo.h5_info.wap_name) {
                    getOrderInfoParam.sceneInfo.h5_info.app_name = getOrderInfoParam.sceneInfo.h5_info.wap_name;
                    delete getOrderInfoParam.sceneInfo.h5_info.wap_name;
                }
            }
        }
        try {
            // 如果是苹果内购,不需要执行uniPayInstance.getOrderInfo等操作
            if (provider !== "appleiap") {
                // 第三方支付服务器返回的订单信息
                let orderInfo;
                if (other) {
                    // other 内的键名转驼峰
                    other = libs.common.snake2camelJson(other);
                    getOrderInfoParam = Object.assign(getOrderInfoParam, other);
                }
                getOrderInfoParam = JSON.parse(JSON.stringify(getOrderInfoParam)); // 此为去除undefined的参数
                orderInfo = await uniPayInstance.getOrderInfo(getOrderInfoParam);
                if (qr_code && orderInfo.codeUrl) {
                    res.qr_code_image = await libs.qrcode.toDataURL(orderInfo.codeUrl, {
                        type: "image/png",
                        width: 200,
                        margin: 1,
                        scale: 1,
                        color: {
                            dark: "#000000",
                            light: "#ffffff",
                        },
                        errorCorrectionLevel: "Q",
                        quality: 1
                    });
                }
                // 支付宝支付参数特殊处理
                if (provider === "alipay") {
                    if (typeof orderInfo === "object" && orderInfo.code && orderInfo.code !== "10000") {
                        res.errCode = orderInfo.code;
                        res.errMsg = orderInfo.subMsg;
                    }
                }
                res.order = orderInfo;
            }
        } catch (err) {
            let errMsg = err.errorMessage || err.message;
            console.error("data: ", data);
            console.error("getOrderInfoParam: ", getOrderInfoParam);
            console.error("err: ", err);
            console.error("errMsg: ", errMsg);
            throw { errCode: ERROR[53001], errMsg };
        }
        // 尝试获取下订单信息
        let payOrderInfo = await dao.uniPayOrders.find({
            order_no,
            out_trade_no
        });
        let create_date = Date.now();
        // 如果订单不存在,则添加
        if (!payOrderInfo) {
            // 添加数据库(数据库的out_trade_no字段需设置为唯一索引)
            let stat_platform = clientInfo.platform;
            if (stat_platform === "app") {
                stat_platform = clientInfo.os;
            }
            let nickname;
            if (user_id) {
                // 获取nickname(冗余昵称)
                let userInfo = await dao.uniIdUsers.findById(user_id);
                if (userInfo) nickname = userInfo.nickname;
            }
            await dao.uniPayOrders.add({
                provider,
                provider_pay_type,
                uni_platform: platform,
                status: 0,
                type,
                order_no,
                out_trade_no,
                user_id,
                nickname,
                device_id,
                client_ip,
                openid,
                description,
                total_fee,
                refund_fee: 0,
                refund_count: 0,
                provider_appid: uniPayConifg.appId,
                appid,
                custom,
                create_date,
                stat_data: {
                    platform: stat_platform,
                    app_version: clientInfo.appVersion,
                    app_version_code: clientInfo.appVersionCode,
                    app_wgt_version: clientInfo.appWgtVersion,
                    os: clientInfo.os,
                    ua: clientInfo.ua,
                    channel: clientInfo.channel ? clientInfo.channel : String(clientInfo.scene),
                    scene: clientInfo.scene
                }
            });
        } else {
            // 如果订单已经存在,则修改下支付方式(用户可能先点微信支付,未付款,又点了支付宝支付)
            await dao.uniPayOrders.updateById(payOrderInfo._id, {
                provider,
                provider_pay_type,
            });
        }
        // 自动删除3天前的订单(未付款订单)
        // await dao.uniPayOrders.deleteExpPayOrders();
        // 业务逻辑结束-----------------------------------------------------------
        return res;
    }
    /**
     * 统一支付结果查询
     * @description 根据商户订单号或者平台订单号查询订单信息,主要用于未接收到支付通知时可以使用此接口进行支付结果验证
     */
    async getOrder(data = {}) {
        let {
            out_trade_no, // 支付插件订单号
            transaction_id, // 支付平台的交易单号
            await_notify = false, // 是否需要等待异步通知执行完成才返回前端支付结果
        } = data;
        let res = { errCode: 0, errMsg: 'ok' };
        // 业务逻辑开始-----------------------------------------------------------
        if (!out_trade_no && !transaction_id) {
            throw { errCode: ERROR[51010] };
        }
        let payOrderInfo;
        if (transaction_id) {
            payOrderInfo = await dao.uniPayOrders.find({
                transaction_id
            });
        } else if (out_trade_no) {
            payOrderInfo = await dao.uniPayOrders.find({
                out_trade_no
            });
        } 
        if (!payOrderInfo) {
            throw { errCode: ERROR[52001] };
        }
        // 初始化uniPayInstance
        let uniPayInstance = await this.initUniPayInstance(payOrderInfo);
        let orderQueryJson = {};
        if (out_trade_no) {
            orderQueryJson.outTradeNo = out_trade_no;
        } else {
            orderQueryJson.transactionId = transaction_id;
        }
        let queryRes = await uniPayInstance.orderQuery(orderQueryJson);
        if (queryRes.tradeState === 'SUCCESS' || queryRes.tradeState === 'FINISHED') {
            if (typeof payOrderInfo.user_order_success == "undefined" && await_notify) {
                let whileTime = 0; // 当前循环已执行的时间(毫秒)
                let whileInterval = 500; // 每次循环间隔时间(毫秒)
                let maxTime = 5000; // 循环执行时间超过此值则退出循环(毫秒)
                while (typeof payOrderInfo.user_order_success == "undefined" && whileTime <= maxTime) {
                    await libs.common.sleep(whileInterval);
                    whileTime += whileInterval;
                    payOrderInfo = await dao.uniPayOrders.find({
                        out_trade_no
                    });
                }
            }
            res = {
                errCode: 0,
                errMsg: "ok",
                has_paid: true, // 标记用户是否已付款成功(此参数只能表示用户确实付款了,但系统的异步回调逻辑可能还未执行完成)
                out_trade_no, // 支付插件订单号
                transaction_id, // 支付平台订单号
                status: payOrderInfo.status, // 标记当前支付订单状态 -1:已关闭 0:未支付 1:已支付 2:已部分退款 3:已全额退款
                user_order_success: payOrderInfo.user_order_success, // 用户异步通知逻辑是否全部执行完成,且无异常(建议前端通过此参数是否为true来判断是否支付成功)
                pay_order: payOrderInfo,
            }
        } else {
            let errMsg = queryRes.tradeStateDesc || "未支付或已退款";
            if (errMsg.indexOf("订单发生过退款") > -1) {
                errMsg = "订单已退款";
            }
            res = {
                errCode: -1,
                errMsg: errMsg,
                has_paid: false,
                out_trade_no, // 支付插件订单号
                transaction_id, // 支付平台订单号
            }
        }
        // 业务逻辑结束-----------------------------------------------------------
        return res;
    }
 
    /**
     * 统一退款
     * @description 当交易发生之后一段时间内,由于买家或者卖家的原因需要退款时,卖家可以通过退款接口将支付款退还给买家。
     */
    async refund(data = {}) {
        let {
            out_trade_no, // 插件支付单号
            out_refund_no, // 退款单号(若不传,则自动生成)
            refund_desc = "用户申请退款",
            refund_fee: myRefundFee,
            refund_fee_type = "CNY"
        } = data;
 
        let res = { errCode: 0, errMsg: 'ok' };
        // 业务逻辑开始-----------------------------------------------------------
        if (!out_trade_no) {
            throw { errCode: ERROR[51001] };
        }
        let payOrderInfo = await dao.uniPayOrders.find({
            out_trade_no
        });
        if (!payOrderInfo) {
            throw { errCode: ERROR[52001] };
        }
        let refund_count = payOrderInfo.refund_count || 0;
        refund_count++;
        // 生成退款订单号
        let outRefundNo = out_refund_no ? out_refund_no : `${out_trade_no}-${refund_count}`;
        // 订单总金额
        let totalFee = payOrderInfo.total_fee;
        // 退款总金额
        let refundFee = myRefundFee || totalFee;
        let provider = payOrderInfo.provider;
        let uniPayConifg = await this.getUniPayConfig(payOrderInfo);
        let uniPayInstance = await this.initUniPayInstance(payOrderInfo);
 
        console.log(`---- ${out_trade_no} -- ${outRefundNo} -- ${totalFee/100} -- ${refundFee/100}`)
        // 退款操作
        try {
            res.result = await uniPayInstance.refund({
                outTradeNo: out_trade_no,
                outRefundNo,
                totalFee,
                refundFee,
                refundDesc: refund_desc,
                refundFeeType: refund_fee_type
            });
        } catch (err) {
            console.error(err);
            let errMsg = err.message;
            if (errMsg && errMsg.indexOf("verify failure") > -1) {
                throw { errCode: ERROR[53005] };
            }
            return { errCode: -1, errMsg: errMsg, err }
        }
        if (res.result.refundFee) {
            res.errCode = 0;
            res.errMsg = "ok";
            // 修改数据库
            try {
                // 修改订单状态
                payOrderInfo = await dao.uniPayOrders.updateAndReturn({
                    whereJson: {
                        _id: payOrderInfo._id
                    },
                    dataJson: {
                        status: 2,
                        refund_fee: _.inc(refundFee),
                        refund_count: refund_count,
                        // 记录每次的退款详情
                        refund_list: _.unshift({
                            refund_date: Date.now(),
                            refund_fee: refundFee,
                            out_refund_no: outRefundNo,
                            refund_desc
                        })
                    }
                });
                if (payOrderInfo && payOrderInfo.refund_fee >= payOrderInfo.total_fee) {
                    // 修改订单状态为已全额退款
                    await dao.uniPayOrders.updateById(payOrderInfo._id, {
                        status: 3,
                        refund_fee: payOrderInfo.total_fee,
                    });
                }
 
            } catch (err) {
                console.error(err);
            }
        } else {
            throw { errCode: ERROR[53002] };
        }
        // 业务逻辑结束-----------------------------------------------------------
        return res;
    }
 
    /**
     * 查询退款(查询退款情况)
     * @description 提交退款申请后,通过调用该接口查询退款状态。
     */
    async getRefund(data = {}) {
        let {
            out_trade_no, // 插件支付单号
        } = data;
        if (!out_trade_no) {
            throw { errCode: ERROR[51001] };
        }
        let payOrderInfo = await dao.uniPayOrders.find({
            out_trade_no
        });
        if (!payOrderInfo) {
            throw { errCode: ERROR[52001] };
        }
        let provider = payOrderInfo.provider;
        let uniPayInstance = await this.initUniPayInstance(payOrderInfo);
        let queryRes;
        try {
            let refundQueryJson = {
                outTradeNo: out_trade_no,
                outRefundNo: payOrderInfo.refund_list[0].out_refund_no
            };
            queryRes = await uniPayInstance.refundQuery(refundQueryJson);
        } catch (err) {
            throw { errCode: ERROR[53003], errMsg: err.errMsg };
        }
        let orderInfo = {
            total_fee: payOrderInfo.total_fee,
            refund_fee: payOrderInfo.refund_fee,
            refund_count: payOrderInfo.refund_count,
            refund_list: payOrderInfo.refund_list,
            provider: payOrderInfo.provider,
            provider_pay_type: payOrderInfo.provider_pay_type,
            status: payOrderInfo.status,
            type: payOrderInfo.type,
            out_trade_no: payOrderInfo.out_trade_no,
            transaction_id: payOrderInfo.transaction_id,
        };
        if (queryRes.refundFee > 0) {
            let msg = "ok";
            if (payOrderInfo.refund_list && payOrderInfo.refund_list.length > 0) {
                msg = `合计退款 ${payOrderInfo.refund_fee/100}\r\n`;
                for (let i in payOrderInfo.refund_list) {
                    let item = payOrderInfo.refund_list[i];
                    let index = Number(i) + 1;
                    let timeStr = libs.common.timeFormat(item.refund_date, "yyyy-MM-dd hh:mm:ss");
                    msg += `${index}、 ${timeStr} \r\n退款 ${item.refund_fee/100} \r\n`;
                }
            }
            return {
                errCode: 0,
                errMsg: msg,
                pay_order: orderInfo,
                result: queryRes
            }
        } else {
            throw { errCode: ERROR[53003] };
        }
    }
 
    /**
     * 关闭订单
     * @description 用于交易创建后,用户在一定时间内未进行支付,可调用该接口直接将未付款的交易进行关闭,避免重复支付。
     * 注意
     * 微信支付:订单生成后不能马上调用关单接口,最短调用时间间隔为 5 分钟。
     */
    async closeOrder(data = {}) {
        let {
            out_trade_no, // 插件支付单号
        } = data;
        if (!out_trade_no) {
            throw { errCode: ERROR[51001] };
        }
        let payOrderInfo = await dao.uniPayOrders.find({
            out_trade_no
        });
        if (!payOrderInfo) {
            throw { errCode: ERROR[52001] };
        }
        let { provider } = payOrderInfo;
        let uniPayInstance = await this.initUniPayInstance(payOrderInfo);
        let closeOrderRes = await uniPayInstance.closeOrder({
            outTradeNo: out_trade_no
        });
        if ((provider === "wxpay" && closeOrderRes.resultCode === "SUCCESS") || (provider === "alipay" && closeOrderRes.code ===
                "10000")) {
            // 修改订单状态为已取消
            await dao.uniPayOrders.update({
                whereJson: {
                    _id: payOrderInfo._id,
                    status: 0
                },
                dataJson: {
                    status: -1,
                    cancel_date: Date.now()
                }
            });
            return {
                errCode: 0,
                errMsg: "订单关闭成功",
                result: closeOrderRes
            }
        } else {
            throw { errCode: ERROR[53004] };
        }
    }
 
    /**
     * 根据code获取openid
     */
    async getOpenid(data = {}) {
        let {
            provider, // 支付供应商
            code, // 用户登录获取的code
            clientInfo, // 客户端环境
        } = data;
        if (!code) {
            throw { errCode: ERROR[51002] };
        }
        let { platform, ua } = clientInfo;
        // 获取并自动匹配支付供应商的支付类型
        let provider_pay_type = libs.common.getProviderPayType({
            provider,
            platform,
            ua
        });
        let uniPayConifg = await this.getUniPayConfig({ provider, provider_pay_type });
        if (provider === "wxpay") {
            return await libs.wxpay.getOpenid({
                config: uniPayConifg,
                code,
                provider_pay_type,
            });
        } else if (provider === "alipay") {
            return await libs.alipay.getOpenid({
                config: uniPayConifg,
                code,
            });
        }
    }
 
 
    /**
     * 获取支持的支付方式
     * let payTypes = await service.pay.getPayProviderFromCloud();
     */
    async getPayProviderFromCloud() {
        let wxpay = config.wxpay && config.wxpay.enable ? true : false;
        let alipay = config.alipay && config.alipay.enable ? true : false;
        let provider = [];
        if (wxpay) provider.push("wxpay");
        if (alipay) provider.push("alipay");
        return {
            errCode: 0,
            errMsg: "ok",
            wxpay,
            alipay,
            provider
        };
    }
 
    /**
     * 验证iosIap苹果内购支付凭据
     * let payTypes = await service.pay.verifyReceiptFromAppleiap();
     */
    async verifyReceiptFromAppleiap(data) {
        let {
            out_trade_no,
            transaction_receipt,
            transaction_identifier,
        } = data;
        if (!out_trade_no) {
            throw { errCode: ERROR[51001] };
        }
        // 初始化uniPayInstance
        let uniPayInstance = await this.initUniPayInstance({ provider: "appleiap", provider_pay_type: "app" });
        let verifyReceiptRes = await uniPayInstance.verifyReceipt({
            receiptData: transaction_receipt
        });
        let transaction_id;
        let userOrderSuccess = false;
        let pay_date;
        if (verifyReceiptRes.tradeState !== "SUCCESS") {
            return {
                errCode: -1,
                errMsg: "未支付"
            };
        }
        // 支付成功
        pay_date = verifyReceiptRes.receipt.receipt_creation_date_ms;
        let inApp = verifyReceiptRes.receipt.in_app[0];
        let quantity = inApp.quantity; // 购买数量
        let product_id = inApp.product_id; // 对应的内购产品id
        transaction_id = inApp.transaction_id; // 本次交易id
        if (transaction_identifier !== transaction_id) {
            // 校验不通过
            return {
                errCode: -1,
                errMsg: "ios内购凭据校验不通过"
            };
        }
        if ((Date.now() - 1000 * 3600 * 24) > pay_date) {
            // 订单已超24小时,不做处理,通知前端直接关闭订单。
            return {
                errCode: 0,
                errMsg: "ok"
            };
        }
        // 查询该transaction_id是否使用过,如果已使用,则不做处理,通知前端直接关闭订单。
        let findOrderInfo = await dao.uniPayOrders.find({
            transaction_id,
        });
        if (findOrderInfo) {
            return {
                errCode: 0,
                errMsg: "ok"
            };
        }
        // 否则,执行用户回调
        // 用户自己的逻辑处理 开始-----------------------------------------------------------
        let orderPaySuccess;
        let payOrderInfo;
        try {
            // 加载自定义异步回调函数
            orderPaySuccess = require(`../notify/appleiap`);
        } catch (err) {
            console.log(err);
        }
        if (typeof orderPaySuccess === "function") {
            payOrderInfo = await dao.uniPayOrders.updateAndReturn({
                whereJson: {
                    status: 0, // status:0 为必须条件,防止重复推送时的错误
                    out_trade_no: out_trade_no, // 商户订单号
                },
                dataJson: {
                    status: 1, // 设置为已付款
                    transaction_id: transaction_id, // 第三方支付单号
                    pay_date: pay_date,
                    notify_date: pay_date,
                    original_data: verifyReceiptRes
                }
            });
            console.log('用户自己的回调逻辑 - 开始执行');
            userOrderSuccess = await orderPaySuccess({
                verifyResult: verifyReceiptRes,
                data: payOrderInfo,
            });
            console.log('用户自己的回调逻辑 - 执行完成');
            await dao.uniPayOrders.updateAndReturn({
                whereJson: {
                    status: 1,
                    out_trade_no,
                },
                dataJson: {
                    user_order_success: userOrderSuccess,
                }
            });
        } else {
            payOrderInfo = await dao.uniPayOrders.find({
                out_trade_no,
            });
        }
        console.log('userOrderSuccess', userOrderSuccess);
        // 用户自己的逻辑处理 结束-----------------------------------------------------------
 
        //console.log('verifyReceiptRes: ', verifyReceiptRes);
        return {
            errCode: 0,
            errMsg: "ok",
            has_paid: true, // 标记用户是否已付款成功(此参数只能表示用户确实付款了,但系统的异步回调逻辑可能还未执行完成)
            out_trade_no, // 支付插件订单号
            transaction_id, // 支付平台订单号
            status: payOrderInfo.status, // 标记当前支付订单状态 -1:已关闭 0:未支付 1:已支付 2:已部分退款 3:已全额退款
            user_order_success: payOrderInfo.user_order_success, // 用户异步通知逻辑是否全部执行完成,且无异常(建议前端通过此参数是否为true来判断是否支付成功)
            pay_order: payOrderInfo,
        };
    }
 
 
    /**
     * 获取对应支付配置
     * let uniPayConifg = await this.getUniPayConfig({ provider, provider_pay_type });
     */
    async getUniPayConfig(data = {}) {
        let {
            provider,
            provider_pay_type,
        } = data;
        if (config && config[provider] && config[provider][provider_pay_type]) {
            let uniPayConfig = config[provider][provider_pay_type];
            if (!uniPayConfig.appId && provider !== "appleiap") {
                throw new Error(`uni-pay配置${provider}.${provider_pay_type}节点下的appId不能为空`);
            }
            return uniPayConfig;
        } else {
            throw new Error(`${provider}_${provider_pay_type} : 商户支付配置错误`);
        }
    }
 
    /**
     * 初始化uniPayInstance
     * let uniPayInstance = await service.pay.initUniPayInstance({ provider, provider_pay_type });
     */
    async initUniPayInstance(data = {}) {
        let {
            provider,
        } = data;
        let uniPayConifg = await this.getUniPayConfig(data);
        let uniPayInstance;
        if (provider === "wxpay") {
            // 微信
            if (uniPayConifg.version === 3) {
                uniPayInstance = uniPay.initWeixinV3(uniPayConifg);
            } else {
                uniPayInstance = uniPay.initWeixin(uniPayConifg);
            }
        } else if (provider === "alipay") {
            // 支付宝
            uniPayInstance = uniPay.initAlipay(uniPayConifg);
        } else if (provider === "appleiap") {
            // ios内购
            uniPayInstance = uniPay.initAppleIapPayment(uniPayConifg);
        } else {
            throw new Error(`${pay_type} : 不支持的支付方式`);
        }
        return uniPayInstance;
    }
 
}
 
 
module.exports = new service();