72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package data
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import (
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"fmt"
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"os"
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"voucher/internal/conf"
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"voucher/internal/pkg/helper"
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"voucher/internal/pkg/wechat/srv/marketing"
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utils2 "voucher/internal/pkg/wechat/utils"
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)
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type Wx struct {
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Clients map[string]*marketing.Marketing
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}
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func NewWx(c *conf.Bootstrap) (*Wx, error) {
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clients := make(map[string]*marketing.Marketing, 0)
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client, err := buildWx(c.Wechat)
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if err != nil {
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return nil, err
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}
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clients[c.Wechat.MchID] = client
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return &Wx{Clients: clients}, nil
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}
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func (this *Wx) Get(mchId string) (*marketing.Marketing, error) {
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if mchId == "" {
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return nil, fmt.Errorf("微信商户ID不能为空")
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}
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if len(this.Clients) == 0 {
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return nil, fmt.Errorf("微信调用client不存在")
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}
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if client, ok := this.Clients[mchId]; ok {
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return client, nil
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}
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return nil, fmt.Errorf("微信调用client不存在[%s]", mchId)
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}
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func buildWx(wx *conf.Wechat) (*marketing.Marketing, error) {
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dir, err := os.Getwd()
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if err != nil {
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return nil, fmt.Errorf("商户ID[%s]商户名称[%s]获取目的地址有误[%v]", wx.MchID, wx.Name, err)
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}
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filePath := fmt.Sprintf("%s/cert/wechat/%s", dir, wx.MchID)
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if !helper.FileExists(filePath) {
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panic(fmt.Sprintf("商户ID[%s]商户名称[%s]微信密钥证书信息不存在,请联系技术人员处理", wx.MchID, wx.Name))
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}
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cc, err := utils2.CreateMchConfig(
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wx.MchID, // 商户号，是由微信支付系统生成并分配给每个商户的唯一标识符，商户号获取方式参考 https://pay.weixin.qq.com/doc/v3/merchant/4013070756
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wx.MchCertificateSerialNumber, // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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fmt.Sprintf("%s/%s", filePath, "apiclient_key.pem"), // 商户API证书私钥文件路径，本地文件路径
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wx.WechatPayPublicKeyID, // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013038816
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fmt.Sprintf("%s/%s", filePath, "pub_key.pem"), // 微信支付公钥文件路径，本地文件路径
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)
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if err != nil {
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return nil, err
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}
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return &marketing.Marketing{MchConfig: cc}, nil
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}
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