mirror of
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397 lines
9.5 KiB
Go
397 lines
9.5 KiB
Go
package handler
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import (
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"chatplus/core"
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"chatplus/core/types"
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"chatplus/service"
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"chatplus/service/payment"
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"chatplus/store/model"
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"chatplus/utils"
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"chatplus/utils/resp"
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"embed"
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"encoding/base64"
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"fmt"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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"net/http"
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"net/url"
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"sync"
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"time"
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)
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const (
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PayWayAlipay = "支付宝"
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PayWayXunHu = "虎皮椒"
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)
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// PaymentHandler 支付服务回调 handler
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type PaymentHandler struct {
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BaseHandler
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alipayService *payment.AlipayService
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huPiPayService *payment.HuPiPayService
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snowflake *service.Snowflake
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db *gorm.DB
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fs embed.FS
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lock sync.Mutex
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}
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func NewPaymentHandler(server *core.AppServer, alipayService *payment.AlipayService, huPiPayService *payment.HuPiPayService, snowflake *service.Snowflake, db *gorm.DB, fs embed.FS) *PaymentHandler {
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h := PaymentHandler{
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alipayService: alipayService,
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huPiPayService: huPiPayService,
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snowflake: snowflake,
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fs: fs,
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db: db,
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lock: sync.Mutex{},
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}
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h.App = server
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return &h
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}
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func (h *PaymentHandler) DoPay(c *gin.Context) {
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orderNo := h.GetTrim(c, "order_no")
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payWay := h.GetTrim(c, "pay_way")
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if orderNo == "" {
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resp.ERROR(c, types.InvalidArgs)
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return
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}
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var order model.Order
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res := h.db.Where("order_no = ?", orderNo).First(&order)
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if res.Error != nil {
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resp.ERROR(c, "Order not found")
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return
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}
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// 更新扫码状态
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h.db.Model(&order).UpdateColumn("status", types.OrderScanned)
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if payWay == "alipay" { // 支付宝
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// 生成支付链接
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notifyURL := h.App.Config.AlipayConfig.NotifyURL
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returnURL := "" // 关闭同步回跳
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amount := fmt.Sprintf("%.2f", order.Amount)
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uri, err := h.alipayService.PayUrlMobile(order.OrderNo, notifyURL, returnURL, amount, order.Subject)
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if err != nil {
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resp.ERROR(c, "error with generate pay url: "+err.Error())
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return
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}
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c.Redirect(302, uri)
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return
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} else if payWay == "hupi" { // 虎皮椒支付
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params := map[string]string{
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"version": "1.1",
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"trade_order_id": orderNo,
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"total_fee": fmt.Sprintf("%f", order.Amount),
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"title": order.Subject,
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"notify_url": h.App.Config.HuPiPayConfig.NotifyURL,
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"return_url": "",
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"wap_name": "极客学长",
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"callback_url": "",
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}
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res, err := h.huPiPayService.Pay(params)
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if err != nil {
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resp.ERROR(c, "error with generate pay url: "+err.Error())
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return
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}
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var r struct {
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Openid int64 `json:"openid"`
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UrlQrcode string `json:"url_qrcode"`
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URL string `json:"url"`
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ErrCode int `json:"errcode"`
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ErrMsg string `json:"errmsg"`
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}
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err = utils.JsonDecode(res, &r)
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if err != nil {
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resp.ERROR(c, "error with decode payment result: "+err.Error())
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return
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}
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if r.ErrCode != 0 {
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resp.ERROR(c, "error with generate pay url: "+r.ErrMsg)
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return
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}
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c.Redirect(302, r.URL)
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}
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resp.ERROR(c, "Invalid operations")
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}
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// OrderQuery 查询订单状态
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func (h *PaymentHandler) OrderQuery(c *gin.Context) {
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var data struct {
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OrderNo string `json:"order_no"`
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}
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if err := c.ShouldBindJSON(&data); err != nil {
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resp.ERROR(c, types.InvalidArgs)
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return
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}
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var order model.Order
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res := h.db.Where("order_no = ?", data.OrderNo).First(&order)
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if res.Error != nil {
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resp.ERROR(c, "Order not found")
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return
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}
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if order.Status == types.OrderPaidSuccess {
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resp.SUCCESS(c, gin.H{"status": order.Status})
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return
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}
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counter := 0
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for {
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time.Sleep(time.Second)
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var item model.Order
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h.db.Where("order_no = ?", data.OrderNo).First(&item)
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if counter >= 15 || item.Status == types.OrderPaidSuccess || item.Status != order.Status {
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order.Status = item.Status
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break
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}
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counter++
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}
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resp.SUCCESS(c, gin.H{"status": order.Status})
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}
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// PayQrcode 生成支付 URL 二维码
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func (h *PaymentHandler) PayQrcode(c *gin.Context) {
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var data struct {
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PayWay string `json:"pay_way"` // 支付方式
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ProductId uint `json:"product_id"`
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UserId int `json:"user_id"`
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}
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if err := c.ShouldBindJSON(&data); err != nil {
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resp.ERROR(c, types.InvalidArgs)
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return
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}
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var product model.Product
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res := h.db.First(&product, data.ProductId)
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if res.Error != nil {
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resp.ERROR(c, "Product not found")
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return
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}
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orderNo, err := h.snowflake.Next(false)
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if err != nil {
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resp.ERROR(c, "error with generate trade no: "+err.Error())
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return
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}
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var user model.User
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res = h.db.First(&user, data.UserId)
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if res.Error != nil {
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resp.ERROR(c, "Invalid user ID")
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return
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}
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payWay := PayWayAlipay
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if data.PayWay == "hupi" {
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payWay = PayWayXunHu
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}
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// 创建订单
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remark := types.OrderRemark{
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Days: product.Days,
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Calls: product.Calls,
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ImgCalls: product.ImgCalls,
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Name: product.Name,
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Price: product.Price,
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Discount: product.Discount,
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}
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order := model.Order{
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UserId: user.Id,
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Mobile: user.Mobile,
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ProductId: product.Id,
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OrderNo: orderNo,
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Subject: product.Name,
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Amount: product.Price - product.Discount,
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Status: types.OrderNotPaid,
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PayWay: payWay,
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Remark: utils.JsonEncode(remark),
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}
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res = h.db.Create(&order)
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if res.Error != nil {
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resp.ERROR(c, "error with create order: "+res.Error.Error())
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return
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}
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var logo string
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if data.PayWay == "alipay" {
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logo = "res/img/alipay.jpg"
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} else if data.PayWay == "hupi" {
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if h.App.Config.HuPiPayConfig.Name == "wechat" {
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logo = "res/img/wechat-pay.jpg"
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} else {
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logo = "res/img/alipay.jpg"
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}
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}
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file, err := h.fs.Open(logo)
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if err != nil {
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resp.ERROR(c, "error with open qrcode log file: "+err.Error())
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return
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}
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parse, err := url.Parse(h.App.Config.AlipayConfig.NotifyURL)
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if err != nil {
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resp.ERROR(c, err.Error())
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return
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}
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imageURL := fmt.Sprintf("%s://%s/api/payment/doPay?order_no=%s&pay_way=%s", parse.Scheme, parse.Host, orderNo, data.PayWay)
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imgData, err := utils.GenQrcode(imageURL, 400, file)
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if err != nil {
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resp.ERROR(c, err.Error())
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return
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}
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imgDataBase64 := base64.StdEncoding.EncodeToString(imgData)
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resp.SUCCESS(c, gin.H{"order_no": orderNo, "image": fmt.Sprintf("data:image/jpg;base64, %s", imgDataBase64), "url": imageURL})
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}
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// AlipayNotify 支付宝支付回调
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func (h *PaymentHandler) AlipayNotify(c *gin.Context) {
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err := c.Request.ParseForm()
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if err != nil {
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c.String(http.StatusOK, "fail")
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return
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}
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// TODO：这里最好用支付宝的公钥签名签证一下交易真假
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//res := h.alipayService.TradeVerify(c.Request.Form)
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r := h.alipayService.TradeQuery(c.Request.Form.Get("out_trade_no"))
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logger.Infof("验证支付结果：%+v", r)
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if !r.Success() {
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c.String(http.StatusOK, "fail")
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return
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}
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h.lock.Lock()
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defer h.lock.Unlock()
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err = h.notify(r.OutTradeNo)
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if err != nil {
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c.String(http.StatusOK, "fail")
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return
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}
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c.String(http.StatusOK, "success")
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}
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// 异步通知回调公共逻辑
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func (h *PaymentHandler) notify(orderNo string) error {
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var order model.Order
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res := h.db.Where("order_no = ?", orderNo).First(&order)
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if res.Error != nil {
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err := fmt.Errorf("error with fetch order: %v", res.Error)
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logger.Error(err)
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return err
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}
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// 已支付订单，直接返回
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if order.Status == types.OrderPaidSuccess {
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return nil
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}
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var user model.User
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res = h.db.First(&user, order.UserId)
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if res.Error != nil {
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err := fmt.Errorf("error with fetch user info: %v", res.Error)
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logger.Error(err)
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return err
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}
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var remark types.OrderRemark
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err := utils.JsonDecode(order.Remark, &remark)
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if err != nil {
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err := fmt.Errorf("error with decode order remark: %v", err)
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logger.Error(err)
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return err
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}
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// 1. 点卡：days == 0, calls > 0
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// 2. vip 套餐：days > 0, calls == 0
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if remark.Days > 0 {
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if user.ExpiredTime > time.Now().Unix() {
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user.ExpiredTime = time.Unix(user.ExpiredTime, 0).AddDate(0, 0, remark.Days).Unix()
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} else {
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user.ExpiredTime = time.Now().AddDate(0, 0, remark.Days).Unix()
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}
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user.Vip = true
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} else if !user.Vip { // 充值点卡的非 VIP 用户
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user.ExpiredTime = time.Now().AddDate(0, 0, 30).Unix()
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}
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if remark.Calls > 0 { // 充值点卡
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user.Calls += remark.Calls
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} else {
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user.Calls += h.App.SysConfig.VipMonthCalls
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}
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if remark.ImgCalls > 0 {
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user.ImgCalls += remark.ImgCalls
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} else {
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user.ImgCalls += h.App.SysConfig.VipMonthImgCalls
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}
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// 更新用户信息
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res = h.db.Updates(&user)
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if res.Error != nil {
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err := fmt.Errorf("error with update user info: %v", res.Error)
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logger.Error(err)
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return err
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}
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// 更新订单状态
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order.PayTime = time.Now().Unix()
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order.Status = types.OrderPaidSuccess
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res = h.db.Updates(&order)
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if res.Error != nil {
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err := fmt.Errorf("error with update order info: %v", res.Error)
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logger.Error(err)
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return err
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}
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// 更新产品销量
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h.db.Model(&model.Product{}).Where("id = ?", order.ProductId).UpdateColumn("sales", gorm.Expr("sales + ?", 1))
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return nil
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}
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// GetPayWays 获取支付方式
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func (h *PaymentHandler) GetPayWays(c *gin.Context) {
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data := gin.H{}
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if h.App.Config.AlipayConfig.Enabled {
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data["alipay"] = gin.H{"name": "alipay"}
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}
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if h.App.Config.HuPiPayConfig.Enabled {
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data["hupi"] = gin.H{"name": h.App.Config.HuPiPayConfig.Name}
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}
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resp.SUCCESS(c, data)
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}
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// HuPiPayNotify 虎皮椒支付异步回调
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func (h *PaymentHandler) HuPiPayNotify(c *gin.Context) {
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err := c.Request.ParseForm()
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if err != nil {
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c.String(http.StatusOK, "fail")
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return
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}
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orderNo := c.Request.Form.Get("trade_order_id")
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logger.Infof("收到订单支付回调，订单 NO：%s", orderNo)
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// TODO 是否要保存订单交易流水号
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h.lock.Lock()
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defer h.lock.Unlock()
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err = h.notify(orderNo)
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if err != nil {
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c.String(http.StatusOK, "fail")
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return
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}
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c.String(http.StatusOK, "success")
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}
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