144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
package thirdpay
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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/http/entities/front"
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"PaymentCenter/app/services"
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"PaymentCenter/app/services/thirdpay/do"
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"PaymentCenter/app/third/paymentService"
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"PaymentCenter/app/third/paymentService/payCommon"
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"PaymentCenter/app/utils"
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"context"
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"encoding/json"
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"strconv"
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"time"
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)
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// 小程序支付 通过code换取网页授权access_token，openid,
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func GetWxAuthMini(param front.GetWxAuthRequest) (rsp front.GetWxAuthMiniResponse, code int) {
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wx := do.NewWxMini()
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rsp, err := wx.GetWxAuthMini(param)
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if err != nil {
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code = handErr(err)
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return
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}
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if !rsp.IsSuccess() && rsp.Openid == "" {
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code = errorcode.GetOpenIdErr
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} else {
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code = errorcode.Success
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}
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return
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}
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// 小程序 获取sechema 链接
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func GetWxMiniSchemeService(param front.GetWxMiniSchemeRequest) (scheme string, code int) {
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var err error
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wx := do.NewWxMini()
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scheme, err = wx.GetWxMiniScheme(param)
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if err != nil {
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code = handErr(err)
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}
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return scheme, code
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}
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// 微信小程序支付
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func WxMiniPay(param front.WxJsApiPayRequest) (response front.WxMiniPayResponse, code int) {
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var (
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ctx = context.Background()
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wxConfig = paymentService.WxPay{}
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)
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task := newWxJsapiPay(param)
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// 1 获取订单
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task.getOrder()
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if task.code != errorcode.Success {
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return response, task.code
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}
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// 获取支付渠道配置
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task.getPayChannel()
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if task.code != errorcode.Success {
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return response, task.code
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}
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// 配置支付的解析
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err := json.Unmarshal([]byte(task.payChannel.ExtJson), &wxConfig)
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if err != nil {
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task.code = handErr(err)
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return
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}
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task.wxConfig = wxConfig
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task.wxConfig.AppId = task.payChannel.AppId
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// 获取下单的请求参数
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task.getOrderRequestLogs()
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if task.code != errorcode.Success {
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return response, task.code
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}
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// 2 通过code获取openid
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rsp, code := GetWxAuthMini(front.GetWxAuthRequest{
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Code: param.Code,
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PayChannelId: strconv.Itoa(int(task.order.PayChannelId)),
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})
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if code != errorcode.Success {
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response.ThirdMsg = rsp.Errmsg
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return
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}
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task.openId = rsp.Openid
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order := task.order
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// 通过openid，订单数据，请求微信下单, 获取prepay_id
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orderRequest := paymentService.PayOrderRequest{
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PayChannelId: order.PayChannelId,
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OrderId: order.Id,
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ChannelType: task.payChannel.ChannelType,
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Description: order.Desc,
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Amount: order.Amount,
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PayerClientIp: param.ClientIp,
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ReturnUrl: task.orderPayRequest.ReturnUrl,
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Wx: task.wxConfig,
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OpenId: task.openId,
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}
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res := paymentService.PaymentService(ctx, orderRequest)
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// 下单失败
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if res.Code != payCommon.PAY_SUCCESS_CODE {
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task.code = errorcode.PrePayFail
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response.ThirdMsg = res.ErrorMsg
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return response, task.code
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}
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// 更新订单状态
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order.Status = common.ORDER_STATUS_PAYING
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task.code = services.OrderUpdate(order, "status")
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if task.code != errorcode.Success {
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utils.Log(nil, "成功下单，更新订单状态失败", order)
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}
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// 3 组装返回数据
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response = front.WxMiniPayResponse{
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AppId: task.payChannel.AppId,
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TimeStamp: strconv.Itoa(int(time.Now().Unix())),
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NonceStr: strconv.Itoa(int(time.Now().Unix())),
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Package: "prepay_id=" + res.Result,
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SignType: "RSA",
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ThirdMsg: res.ErrorMsg,
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}
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// 4 签名
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signValue, err := task.Sign(response.AppId, response.TimeStamp, response.NonceStr, response.Package)
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if err != nil {
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utils.Log(nil, "签名失败", err)
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return response, errorcode.WechatAuthFail
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}
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response.PaySign = signValue
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response.ReturnUrl = task.orderPayRequest.ReturnUrl
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return response, task.code
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}
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