huang
0a2961ecd6
All checks were successful
构建并部署到测试环境（无 SSH） / build-and-deploy (push) Successful in 7m48s
- HandlePaymentCallback 新增 actualPaidAmount int64 参数，Updates 写入 actual_paid_amount - 微信 V2 回调从 TotalFee 字符串解析分值；V3 直接使用 TotalAmount - 支付宝回调优先取 buyer_pay_amount（实付），回退 total_amount，元转分使用 math.Round - 富友回调从 OrderAmt 字符串解析分值 - dispatchWechatCallback 同步增加 paidAmount 参数透传
305 lines
11 KiB
Go
305 lines
11 KiB
Go
package callback
|
||
|
||
import (
|
||
"context"
|
||
"fmt"
|
||
"math"
|
||
"net/http"
|
||
"strconv"
|
||
"strings"
|
||
|
||
"github.com/gofiber/fiber/v2"
|
||
"github.com/valyala/fasthttp/fasthttpadaptor"
|
||
"go.uber.org/zap"
|
||
|
||
"github.com/break/junhong_cmp_fiber/internal/model"
|
||
orderService "github.com/break/junhong_cmp_fiber/internal/service/order"
|
||
rechargeService "github.com/break/junhong_cmp_fiber/internal/service/recharge"
|
||
rechargeOrderSvc "github.com/break/junhong_cmp_fiber/internal/service/recharge_order"
|
||
"github.com/break/junhong_cmp_fiber/internal/store/postgres"
|
||
"github.com/break/junhong_cmp_fiber/pkg/constants"
|
||
"github.com/break/junhong_cmp_fiber/pkg/errors"
|
||
"github.com/break/junhong_cmp_fiber/pkg/fuiou"
|
||
"github.com/break/junhong_cmp_fiber/pkg/wechat"
|
||
)
|
||
|
||
// AgentRechargeServiceInterface 代理充值服务接口
|
||
type AgentRechargeServiceInterface interface {
|
||
HandlePaymentCallback(ctx context.Context, rechargeNo string, paymentMethod string, paymentTransactionID string) error
|
||
}
|
||
|
||
// WechatConfigServiceInterface 支付配置服务接口
|
||
type WechatConfigServiceInterface interface {
|
||
GetActiveConfig(ctx context.Context) (*model.WechatConfig, error)
|
||
GetConfigForCallback(ctx context.Context, orderNo string) (*model.WechatConfig, error)
|
||
}
|
||
|
||
type PaymentHandler struct {
|
||
orderService *orderService.Service
|
||
rechargeService *rechargeService.Service
|
||
rechargeOrderService *rechargeOrderSvc.Service
|
||
agentRechargeService AgentRechargeServiceInterface
|
||
wechatPayment wechat.PaymentServiceInterface
|
||
wechatConfigService WechatConfigServiceInterface
|
||
paymentStore *postgres.PaymentStore
|
||
logger *zap.Logger
|
||
}
|
||
|
||
func NewPaymentHandler(
|
||
orderService *orderService.Service,
|
||
rechargeService *rechargeService.Service,
|
||
rechargeOrderService *rechargeOrderSvc.Service,
|
||
agentRechargeService AgentRechargeServiceInterface,
|
||
wechatPayment wechat.PaymentServiceInterface,
|
||
wechatConfigService WechatConfigServiceInterface,
|
||
paymentStore *postgres.PaymentStore,
|
||
logger *zap.Logger,
|
||
) *PaymentHandler {
|
||
return &PaymentHandler{
|
||
orderService: orderService,
|
||
rechargeService: rechargeService,
|
||
rechargeOrderService: rechargeOrderService,
|
||
agentRechargeService: agentRechargeService,
|
||
wechatPayment: wechatPayment,
|
||
wechatConfigService: wechatConfigService,
|
||
paymentStore: paymentStore,
|
||
logger: logger,
|
||
}
|
||
}
|
||
|
||
// WechatPayCallback 微信支付回调（带签名验证）
|
||
// POST /api/callback/wechat-pay
|
||
func (h *PaymentHandler) WechatPayCallback(c *fiber.Ctx) error {
|
||
body := c.Body()
|
||
ctx := context.Background()
|
||
|
||
// 预解析订单号（不验签），用于按 payment_config_id 加载创建订单时所用的配置
|
||
orderNo, err := wechat.PeekOrderNo(body)
|
||
if err != nil {
|
||
h.logger.Error("微信回调：预解析订单号失败", zap.Error(err))
|
||
return errors.New(errors.CodeWechatCallbackInvalid, "回调数据格式错误")
|
||
}
|
||
|
||
cfg, err := h.wechatConfigService.GetConfigForCallback(ctx, orderNo)
|
||
if err != nil || cfg == nil {
|
||
h.logger.Error("微信回调：加载支付配置失败",
|
||
zap.String("order_no", orderNo),
|
||
zap.Error(err),
|
||
)
|
||
return errors.New(errors.CodeWechatCallbackInvalid, "微信支付服务未配置")
|
||
}
|
||
|
||
switch cfg.ProviderType {
|
||
case model.ProviderTypeWechatV2:
|
||
paymentSvc := wechat.NewPaymentV2Service(cfg.OaAppID, cfg.WxMchID, cfg.WxAPIV2Key, cfg.WxNotifyURL, h.logger)
|
||
result, err := paymentSvc.VerifyCallback(body)
|
||
if err != nil {
|
||
return errors.Wrap(errors.CodeWechatCallbackInvalid, err, "微信 v2 回调验签失败")
|
||
}
|
||
if result.TradeState != "SUCCESS" {
|
||
return h.wechatV2SuccessResponse(c)
|
||
}
|
||
// TotalFee 为字符串格式的分，解析失败则降级为 0（后续 handlePaymentCallback 会记录日志）
|
||
totalFee, _ := strconv.ParseInt(result.TotalFee, 10, 64)
|
||
if err := h.dispatchWechatCallback(ctx, result.OutTradeNo, result.TransactionID, totalFee); err != nil {
|
||
return errors.Wrap(errors.CodeWechatCallbackInvalid, err, "处理微信支付回调失败")
|
||
}
|
||
|
||
case model.ProviderTypeWechat:
|
||
if h.wechatPayment == nil {
|
||
return errors.New(errors.CodeWechatCallbackInvalid, "微信 v3 支付未初始化")
|
||
}
|
||
var httpReq http.Request
|
||
fasthttpadaptor.ConvertRequest(c.Context(), &httpReq, true)
|
||
_, err := h.wechatPayment.HandlePaymentNotify(&httpReq, func(result *wechat.PaymentNotifyResult) error {
|
||
if result.TradeState != "SUCCESS" {
|
||
return nil
|
||
}
|
||
return h.dispatchWechatCallback(ctx, result.OutTradeNo, result.TransactionID, result.TotalAmount)
|
||
})
|
||
if err != nil {
|
||
return errors.Wrap(errors.CodeWechatCallbackInvalid, err, "处理微信支付回调失败")
|
||
}
|
||
|
||
default:
|
||
return errors.New(errors.CodeWechatCallbackInvalid, "不支持的支付渠道类型")
|
||
}
|
||
|
||
return h.wechatV2SuccessResponse(c)
|
||
}
|
||
|
||
// dispatchWechatCallback 按订单号前缀将支付结果分发到对应业务
|
||
func (h *PaymentHandler) dispatchWechatCallback(ctx context.Context, outTradeNo, transactionID string, paidAmount int64) error {
|
||
switch {
|
||
case strings.HasPrefix(outTradeNo, "ORD"):
|
||
return h.orderService.HandlePaymentCallback(ctx, outTradeNo, model.PaymentMethodWechat, paidAmount)
|
||
case strings.HasPrefix(outTradeNo, constants.AssetRechargeOrderPrefix):
|
||
if h.rechargeOrderService != nil {
|
||
return h.rechargeOrderService.HandlePaymentCallback(ctx, outTradeNo, model.PaymentByWechat, transactionID)
|
||
}
|
||
return fmt.Errorf("充值订单服务未配置，无法处理订单: %s", outTradeNo)
|
||
case strings.HasPrefix(outTradeNo, constants.AgentRechargeOrderPrefix):
|
||
if h.agentRechargeService != nil {
|
||
return h.agentRechargeService.HandlePaymentCallback(ctx, outTradeNo, model.PaymentMethodWechat, transactionID)
|
||
}
|
||
return fmt.Errorf("代理充值服务未配置，无法处理订单: %s", outTradeNo)
|
||
default:
|
||
return fmt.Errorf("未知订单号前缀: %s", outTradeNo)
|
||
}
|
||
}
|
||
|
||
// wechatV2SuccessResponse 返回微信 v2 要求的 XML 格式成功响应
|
||
// v2 API 要求 XML 格式的 return_code=SUCCESS，否则微信会持续重试回调
|
||
func (h *PaymentHandler) wechatV2SuccessResponse(c *fiber.Ctx) error {
|
||
c.Set("Content-Type", "text/xml; charset=utf-8")
|
||
return c.SendString(`<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>`)
|
||
}
|
||
|
||
// parseYuanToFen 将支付宝元为单位的金额字符串转换为分
|
||
// 支付宝回调金额字段（buyer_pay_amount / total_amount）为字符串格式的元，如 "2.00"
|
||
// 使用 math.Round 避免浮点运算精度误差
|
||
func parseYuanToFen(yuan string) int64 {
|
||
if yuan == "" {
|
||
return 0
|
||
}
|
||
f, err := strconv.ParseFloat(yuan, 64)
|
||
if err != nil {
|
||
return 0
|
||
}
|
||
return int64(math.Round(f * 100))
|
||
}
|
||
|
||
type AlipayCallbackRequest struct {
|
||
OrderNo string `json:"out_trade_no" form:"out_trade_no"`
|
||
BuyerPayAmount string `json:"buyer_pay_amount" form:"buyer_pay_amount"`
|
||
TotalAmount string `json:"total_amount" form:"total_amount"`
|
||
}
|
||
|
||
// AlipayCallback 支付宝回调
|
||
// POST /api/callback/alipay
|
||
func (h *PaymentHandler) AlipayCallback(c *fiber.Ctx) error {
|
||
var req AlipayCallbackRequest
|
||
if err := c.BodyParser(&req); err != nil {
|
||
return errors.New(errors.CodeInvalidParam, "请求参数解析失败")
|
||
}
|
||
|
||
if req.OrderNo == "" {
|
||
return errors.New(errors.CodeInvalidParam, "订单号不能为空")
|
||
}
|
||
|
||
ctx := c.UserContext()
|
||
|
||
// 优先取 buyer_pay_amount（买家实付，扣除优惠券后），回退到 total_amount
|
||
rawAmount := req.BuyerPayAmount
|
||
if rawAmount == "" {
|
||
rawAmount = req.TotalAmount
|
||
}
|
||
paidAmount := parseYuanToFen(rawAmount)
|
||
|
||
// 按订单号前缀分发
|
||
switch {
|
||
case strings.HasPrefix(req.OrderNo, "ORD"):
|
||
if err := h.orderService.HandlePaymentCallback(ctx, req.OrderNo, model.PaymentMethodAlipay, paidAmount); err != nil {
|
||
return err
|
||
}
|
||
case strings.HasPrefix(req.OrderNo, constants.AssetRechargeOrderPrefix):
|
||
if h.rechargeOrderService != nil {
|
||
return h.rechargeOrderService.HandlePaymentCallback(ctx, req.OrderNo, model.PaymentByAlipay, "")
|
||
}
|
||
return fmt.Errorf("充值订单服务未配置，无法处理订单: %s", req.OrderNo)
|
||
case strings.HasPrefix(req.OrderNo, constants.AgentRechargeOrderPrefix):
|
||
if h.agentRechargeService != nil {
|
||
if err := h.agentRechargeService.HandlePaymentCallback(ctx, req.OrderNo, model.PaymentMethodAlipay, ""); err != nil {
|
||
return err
|
||
}
|
||
}
|
||
default:
|
||
return errors.New(errors.CodeInvalidParam, "未知订单号前缀")
|
||
}
|
||
|
||
return c.SendString("success")
|
||
}
|
||
|
||
// FuiouPayCallback 富友支付回调（带签名验证）
|
||
// POST /api/callback/fuiou-pay
|
||
func (h *PaymentHandler) FuiouPayCallback(c *fiber.Ctx) error {
|
||
body := c.Body()
|
||
if len(body) == 0 {
|
||
return errors.New(errors.CodeFuiouCallbackInvalid, "回调请求体为空")
|
||
}
|
||
|
||
ctx := c.UserContext()
|
||
c.Set("Content-Type", "text/xml; charset=gbk")
|
||
|
||
// 预解析订单号（不验签），用于按 payment_config_id 加载创建订单时所用的配置
|
||
preNotify, err := fuiou.ParseNotify(body)
|
||
if err != nil {
|
||
h.logger.Error("富友回调：预解析失败", zap.Error(err))
|
||
return c.Send(fuiou.BuildNotifyFailResponse("parse failed"))
|
||
}
|
||
|
||
cfg, err := h.wechatConfigService.GetConfigForCallback(ctx, preNotify.MchntOrderNo)
|
||
if err != nil || cfg == nil {
|
||
h.logger.Error("富友回调：加载支付配置失败",
|
||
zap.String("order_no", preNotify.MchntOrderNo),
|
||
zap.Error(err),
|
||
)
|
||
return c.Send(fuiou.BuildNotifyFailResponse("payment config unavailable"))
|
||
}
|
||
|
||
client, err := fuiou.NewClient(
|
||
cfg.FyInsCd,
|
||
cfg.FyMchntCd,
|
||
cfg.FyTermID,
|
||
cfg.FyAPIURL,
|
||
cfg.FyNotifyURL,
|
||
cfg.FyPrivateKey,
|
||
cfg.FyPublicKey,
|
||
h.logger,
|
||
)
|
||
if err != nil {
|
||
h.logger.Error("富友回调：构造客户端失败", zap.Error(err))
|
||
return c.Send(fuiou.BuildNotifyFailResponse("client init failed"))
|
||
}
|
||
|
||
notify, err := client.VerifyNotify(body)
|
||
if err != nil {
|
||
if notify != nil {
|
||
h.logger.Warn("富友回调：非成功结果",
|
||
zap.String("result_code", notify.ResultCode),
|
||
zap.String("result_msg", notify.ResultMsg))
|
||
return c.Send(fuiou.BuildNotifySuccessResponse())
|
||
}
|
||
h.logger.Error("富友回调：验签或解析失败", zap.Error(err))
|
||
return c.Send(fuiou.BuildNotifyFailResponse(err.Error()))
|
||
}
|
||
|
||
orderNo := notify.MchntOrderNo
|
||
// OrderAmt 为字符串格式的分，解析失败则降级为 0
|
||
orderAmt, _ := strconv.ParseInt(notify.OrderAmt, 10, 64)
|
||
switch {
|
||
case strings.HasPrefix(orderNo, "ORD"):
|
||
if err := h.orderService.HandlePaymentCallback(ctx, orderNo, "fuiou", orderAmt); err != nil {
|
||
return c.Send(fuiou.BuildNotifyFailResponse(err.Error()))
|
||
}
|
||
case strings.HasPrefix(orderNo, constants.AssetRechargeOrderPrefix):
|
||
if h.rechargeOrderService != nil {
|
||
if err := h.rechargeOrderService.HandlePaymentCallback(ctx, orderNo, "fuiou", notify.TransactionId); err != nil {
|
||
return c.Send(fuiou.BuildNotifyFailResponse(err.Error()))
|
||
}
|
||
return c.Send(fuiou.BuildNotifySuccessResponse())
|
||
}
|
||
return c.Send(fuiou.BuildNotifyFailResponse("充值订单服务未配置"))
|
||
case strings.HasPrefix(orderNo, constants.AgentRechargeOrderPrefix):
|
||
if h.agentRechargeService != nil {
|
||
if err := h.agentRechargeService.HandlePaymentCallback(ctx, orderNo, "fuiou", notify.TransactionId); err != nil {
|
||
return c.Send(fuiou.BuildNotifyFailResponse(err.Error()))
|
||
}
|
||
}
|
||
default:
|
||
return c.Send(fuiou.BuildNotifyFailResponse("unknown order prefix"))
|
||
}
|
||
|
||
return c.Send(fuiou.BuildNotifySuccessResponse())
|
||
}
|