329 lines
12 KiB
Go
329 lines
12 KiB
Go
package paymentService
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import (
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"PaymentCenter/app/constants/common"
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"PaymentCenter/app/constants/errorcode"
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"PaymentCenter/app/services/thirdpay/thirdpay_notify"
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"PaymentCenter/app/third/paymentService/payCommon"
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"PaymentCenter/config"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"github.com/go-pay/gopay"
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"github.com/go-pay/gopay/wechat/v3"
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"github.com/qit-team/snow-core/log/logger"
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"strconv"
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"time"
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)
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// InitClient 使用提供的支付请求参数初始化微信客户端
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func InitClient(wxConfig WxPay) (*wechat.ClientV3, error) {
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// NewClientV3 初始化微信客户端 v3
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// mchid：商户ID 或者服务商模式的 sp_mchid
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// serialNo：商户证书的证书序列号
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// apiV3Key：apiV3Key，商户平台获取
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// privateKey：私钥 apiclient_key.pem 读取后的内容
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wxClient, clientErr := wechat.NewClientV3(
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wxConfig.MchId,
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wxConfig.SerialNo,
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wxConfig.ApiV3Key,
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wxConfig.PrivateKey,
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)
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// 启用自动同步返回验签，并定时更新微信平台API证书（开启自动验签时，无需单独设置微信平台API证书和序列号）
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clientErr = wxClient.AutoVerifySign()
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if wxClient == nil {
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return nil, errors.New("client not initialized")
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}
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if clientErr != nil {
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return nil, clientErr
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}
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// 自定义配置http请求接收返回结果body大小，默认 10MB
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wxClient.SetBodySize(10) // 没有特殊需求，可忽略此配置
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// 打开Debug开关，输出日志，默认是关闭的
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wxClient.DebugSwitch = gopay.DebugOn
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return wxClient, nil
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}
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// WxH5PayInfo 微信H5支付
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func WxH5PayInfo(c context.Context, payOrderRequest PayOrderRequest) (string, error) {
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// 初始化微信客户端
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wxClient, err := InitClient(payOrderRequest.Wx)
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if err != nil {
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return "", err
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}
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expire := time.Now().Add(10 * time.Minute).Format(time.RFC3339)
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// 初始化 BodyMap
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envConfig := config.GetConf()
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bm := make(gopay.BodyMap)
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bm.Set("appid", payOrderRequest.Wx.AppId).
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Set("mchid", payOrderRequest.Wx.MchId).
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Set("description", payOrderRequest.Description).
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Set("out_trade_no", strconv.FormatInt(payOrderRequest.OrderId, 10)).
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Set("time_expire", expire).
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Set("notify_url", fmt.Sprintf(envConfig.PayService.Host+payCommon.WX_NOTIFY_URL_TEST+"%d", payOrderRequest.PayChannelId)).
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SetBodyMap("amount", func(bm gopay.BodyMap) {
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bm.Set("total", payOrderRequest.Amount).
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Set("currency", "CNY")
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}).
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SetBodyMap("scene_info", func(bm gopay.BodyMap) {
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bm.Set("payer_client_ip", payOrderRequest.PayerClientIp).
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SetBodyMap("h5_info", func(bm gopay.BodyMap) {
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bm.Set("type", "common")
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})
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})
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wxRsp, err := wxClient.V3TransactionH5(c, bm)
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if err != nil {
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return "", err
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}
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if wxRsp.Code != wechat.Success || wxRsp.Response.H5Url == "" {
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logger.Error(c, "WxH5PayInfo 发生错误", fmt.Sprintf("错误状态码：%d, 错误信息：%s", wxRsp.Code, wxRsp.Error))
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return "", errors.New(fmt.Sprintf("发起支付失败，失败状态码：%d, 失败原因：%s", wxRsp.Code, wxRsp.Error))
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}
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return wxRsp.Response.H5Url, nil
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}
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// WxPayCallBack 微信支付回调
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func WxPayCallBack(notifyReq *wechat.V3NotifyReq, wxConfig WxPay) error {
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// 初始化微信客户端
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var orderStatus int
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wxClient, err := InitClient(wxConfig)
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if err != nil {
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return err
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}
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// 获取微信平台证书
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certMap := wxClient.WxPublicKeyMap()
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// 验证异步通知的签名
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err = notifyReq.VerifySignByPKMap(certMap)
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if err != nil {
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return err
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}
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var CallBackInfo struct {
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AppId string `json:"appid"` // 应用ID
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Mchid string `json:"mchid"` // 商户号
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OutTradeNo string `json:"out_trade_no"` // 商户系统内部订单号
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TransactionId string `json:"transaction_id"` // 微信系统订单号
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TradeType string `json:"trade_type"` // JSAPI：公众号支付 NATIVE：扫码支付 App：App支付 MICROPAY：付款码支付 MWEB：H5支付 FACEPAY：刷脸支付
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TradeState string `json:"trade_state"` // SUCCESS：支付成功 REFUND：转入退款 NOTPAY：未支付 CLOSED：已关闭 REVOKED：已撤销（付款码支付） USERPAYING：用户支付中（付款码支付） PAYERROR：支付失败(其他原因，如银行返回失败)
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TradeStateDesc string `json:"trade_state_desc"` // 交易状态描述
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SuccessTime string `json:"success_time"` // 支付完成时间
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Amount struct {
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Total int64 `json:"total"`
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PayerTotal int64 `json:"payer_total"`
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} `json:"amount"`
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}
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// 通用通知解密（推荐此方法）
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err = notifyReq.DecryptCipherTextToStruct(wxConfig.ApiV3Key, &CallBackInfo)
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if err != nil {
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return err
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}
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errCode := 0
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msg := ""
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// 订单状态
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switch CallBackInfo.TradeState {
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case "SUCCESS":
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orderStatus = common.ORDER_STATUS_PAYED
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errCode = errorcode.Success
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msg = "支付成功"
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case "CLOSED":
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errCode = errorcode.ParamError
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orderStatus = common.ORDER_STATUS_CLOSE
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msg = "已关闭"
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case "REVOKED":
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errCode = errorcode.ParamError
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orderStatus = common.ORDER_STATUS_FAILED
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msg = "已撤销（付款码支付）"
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case "PAYERROR":
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errCode = errorcode.ParamError
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msg = "支付失败(其他原因，如银行返回失败)"
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orderStatus = common.ORDER_STATUS_FAILED
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}
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// 触发下游回调的格式
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orderId, _ := strconv.Atoi(CallBackInfo.OutTradeNo)
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res := thirdpay_notify.NewOrderNotifyWithHandle(int64(orderId), orderStatus, errCode, int(CallBackInfo.Amount.PayerTotal), msg)
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merchantCallback, _ := json.Marshal(res)
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// 记录日志
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go func() {
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payCallback, _ := json.Marshal(CallBackInfo)
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payParam := "{}"
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status := common.THIRD_ORDER_LOG_STATUS_SUCCESS
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SaveLog(int64(orderId), common.THIRD_ORDER_TYPE_CALL_BACK, string(payCallback), payParam, "{}", status)
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}()
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if res.ErrCode != errorcode.Success {
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logger.Error(context.Background(), "WxPayCallBack 发生错误", fmt.Sprintf("回调时，下游处理订单失败，返回数据为：%s", string(merchantCallback)))
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return errors.New("回调时，下游处理订单失败")
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}
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return nil
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}
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// WxOrderQuery 查询微信订单
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func WxOrderQuery(ctx context.Context, wxConfig WxPay, orderNo string) (PayOrderQueryInfo, error) {
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// 初始化微信客户端
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wxClient, err := InitClient(wxConfig)
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if err != nil {
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return PayOrderQueryInfo{}, err
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}
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wxRsp, err := wxClient.V3TransactionQueryOrder(ctx, payCommon.ORDER_NO_TYPE_ORDER_NO, orderNo)
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if err != nil {
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return PayOrderQueryInfo{}, err
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}
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if wxRsp.Code != wechat.Success {
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return PayOrderQueryInfo{}, errors.New(fmt.Sprintf("查询订单接口错误，错误状态码：%d, 错误信息：%s", wxRsp.Code, wxRsp.Error))
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}
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// 映射交易状态
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tradeState := ""
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switch wxRsp.Response.TradeState {
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case "SUCCESS":
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tradeState = "SUCCESS"
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case "REFUND":
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tradeState = "REFUND"
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case "NOTPAY":
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tradeState = "NOTPAY"
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case "CLOSED":
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tradeState = "CLOSED"
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}
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amountTotal := wxRsp.Response.Amount.Total
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payerTotal := wxRsp.Response.Amount.PayerTotal
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outTradeNo, _ := strconv.Atoi(wxRsp.Response.OutTradeNo)
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return PayOrderQueryInfo{
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AppId: wxRsp.Response.Appid,
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OutTradeNo: int64(outTradeNo),
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TransactionId: wxRsp.Response.TransactionId,
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TradeState: tradeState,
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TradeStateDesc: wxRsp.Response.TradeStateDesc,
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SuccessTime: wxRsp.Response.SuccessTime,
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AmountTotal: int64(amountTotal),
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PayerTotal: int64(payerTotal),
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}, nil
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}
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// WxOrderRefund 微信退款申请
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func WxOrderRefund(ctx context.Context, orderRefundRequest OrderRefundRequest) (OrderRefundInfo, error) {
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// 初始化微信客户端
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wxClient, err := InitClient(orderRefundRequest.Wx)
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if err != nil {
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return OrderRefundInfo{}, err
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}
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// 初始化 BodyMap
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bm := make(gopay.BodyMap)
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bm.Set("out_trade_no", strconv.FormatInt(orderRefundRequest.OrderId, 10)).
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Set("sign_type", "MD5").
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// 必填 退款订单号（程序员定义的）
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Set("out_refund_no", strconv.FormatInt(orderRefundRequest.RefundOrderId, 10)).
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// 选填 退款描述
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Set("reason", orderRefundRequest.RefundReason).
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SetBodyMap("amount", func(bm gopay.BodyMap) {
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// 退款金额:单位是分
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bm.Set("refund", orderRefundRequest.RefundAmount). //实际退款金额
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Set("total", orderRefundRequest.RefundAmount). // 折扣前总金额（不是实际退款数）
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Set("currency", "CNY")
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})
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// body：参数Body
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refund, err := wxClient.V3Refund(ctx, bm)
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if err != nil {
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return OrderRefundInfo{}, err
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}
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// 将非正常退款异常记录
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if refund.Code != wechat.Success {
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logger.Error(ctx, "WxOrderRefund 发生错误", fmt.Sprintf("申请退款接口失败，错误状态码：%d, 错误信息：%s", refund.Code, refund.Error))
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// 这里时对非正常退款的一些处理message，我们将code统一使用自定义的，然后把message抛出去
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return OrderRefundInfo{}, errors.New(fmt.Sprintf("申请退款接口失败，错误状态码：%d, 错误信息：%s", refund.Code, refund.Error))
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}
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outTradeNo, _ := strconv.Atoi(refund.Response.OutTradeNo)
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outRefundNo, _ := strconv.Atoi(refund.Response.OutRefundNo)
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refundStatus := payCommon.PAY_REFUND_STATU_COMMON
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switch refund.Response.Status {
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case "SUCCESS":
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refundStatus = payCommon.PAY_REFUND_STATU_SUCCESS
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case "CLOSED":
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refundStatus = payCommon.PAY_REFUND_STATU_FAIL
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case "PROCESSING":
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refundStatus = payCommon.PAY_REFUND_STATU_ING
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case "ABNORMAL":
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refundStatus = payCommon.PAY_REFUND_STATU_FAIL
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}
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return OrderRefundInfo{
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OutTradeNo: int64(outTradeNo),
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TransactionId: refund.Response.TransactionId,
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RefundFee: int64(refund.Response.Amount.PayerRefund),
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RefundOrderId: int64(outRefundNo),
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RefundStatus: refundStatus,
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RefundSuccessTime: refund.Response.SuccessTime,
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}, nil
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}
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// WxOrderRefundQuery 微信订单退款查询
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func WxOrderRefundQuery(ctx context.Context, orderRefundQueryRequest OrderRefundQueryRequest) (OrderRefundInfo, error) {
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// 初始化微信客户端
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wxClient, err := InitClient(orderRefundQueryRequest.Wx)
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if err != nil {
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return OrderRefundInfo{}, err
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}
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wxRsp, err := wxClient.V3RefundQuery(ctx, strconv.FormatInt(orderRefundQueryRequest.RefundOrderId, 10), nil)
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if err != nil {
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return OrderRefundInfo{}, err
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}
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if wxRsp.Code != wechat.Success {
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return OrderRefundInfo{}, errors.New(fmt.Sprintf("查询订单接口错误，错误状态码：%d, 错误信息：%s", wxRsp.Code, wxRsp.Error))
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}
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outTradeNo, _ := strconv.Atoi(wxRsp.Response.OutTradeNo)
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outRefundNo, _ := strconv.Atoi(wxRsp.Response.OutRefundNo)
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refundStatus := payCommon.PAY_REFUND_STATU_COMMON
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switch wxRsp.Response.Status {
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case "SUCCESS":
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refundStatus = payCommon.PAY_REFUND_STATU_SUCCESS
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case "CLOSED":
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refundStatus = payCommon.PAY_REFUND_STATU_FAIL
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case "PROCESSING":
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refundStatus = payCommon.PAY_REFUND_STATU_ING
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case "ABNORMAL":
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refundStatus = payCommon.PAY_REFUND_STATU_FAIL
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}
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return OrderRefundInfo{
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OutTradeNo: int64(outTradeNo),
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TransactionId: wxRsp.Response.TransactionId,
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RefundFee: int64(wxRsp.Response.Amount.PayerRefund),
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RefundOrderId: int64(outRefundNo),
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RefundStatus: refundStatus,
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RefundSuccessTime: wxRsp.Response.SuccessTime,
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}, nil
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}
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// WxCloseOrder 微信订单关闭
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func WxCloseOrder(ctx context.Context, orderCloseRequest OrderCloseRequest) (OrderCloseInfo, error) {
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// 初始化微信客户端
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wxClient, err := InitClient(orderCloseRequest.Wx)
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if err != nil {
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return OrderCloseInfo{}, err
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}
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wxRsp, err := wxClient.V3TransactionCloseOrder(ctx, strconv.FormatInt(orderCloseRequest.OrderId, 10))
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if err != nil {
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return OrderCloseInfo{}, err
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}
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if wxRsp.Code != wechat.Success {
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logger.Error(ctx, "WxCloseOrder 发生错误", fmt.Sprintf("查询订单接口错误，错误状态码：%d, 错误信息：%s", wxRsp.Code, wxRsp.Error))
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return OrderCloseInfo{}, errors.New(fmt.Sprintf("查询订单接口错误，错误状态码：%d, 错误信息：%s", wxRsp.Code, wxRsp.Error))
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}
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return OrderCloseInfo{
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OutTradeNo: orderCloseRequest.OrderId,
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}, nil
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}
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