eta_api/services/wx_app.go

package services

import (
	"fmt"
	wechat "github.com/silenceper/wechat/v2"
	"github.com/silenceper/wechat/v2/cache"
	"github.com/silenceper/wechat/v2/miniprogram"
	"github.com/silenceper/wechat/v2/miniprogram/auth"
	"github.com/silenceper/wechat/v2/miniprogram/config"
	"github.com/silenceper/wechat/v2/miniprogram/encryptor"
	"github.com/silenceper/wechat/v2/miniprogram/qrcode"
	"eta/eta_api/utils"
)

// 微信小程序配置信息
var (
	WxId        string //微信原始ID
	WxAppId     string
	WxAppSecret string
	WxPlatform  int    //用户来源，需要入库，用来保存该用户来自哪个平台，默认是：1
	EnvVersion  string // 小程序版本， release-正式版; trial-体验版; develop-开发版
)

func GetWxApp() (miniprogram *miniprogram.MiniProgram) {
	wc := wechat.NewWechat()
	memory := cache.NewMemory()
	//memory := cache.NewRedis(global.Redis)
	cfg := &config.Config{
		AppID:     utils.WxYbAppId,
		AppSecret: utils.WxYbAppSecret,
		Cache:     memory,
	}

	miniprogram = wc.GetMiniProgram(cfg)
	return
}

// GetSession 获取用户详情
func GetSession(code string) (userInfo auth.ResCode2Session, err error) {
	wechatClient := GetWxApp()
	authClient := wechatClient.GetAuth()
	userInfo, err = authClient.Code2Session(code)
	return
}

// GetSession 获取用户详情
func GetUserInfo(code string) (userInfo auth.ResCode2Session, err error) {
	wechatClient := GetWxApp()
	authClient := wechatClient.GetAuth()
	fmt.Println("code:", code)
	userInfo, err = authClient.Code2Session(code)
	return
}

// 获取解密信息 GetDecryptInfo
func GetDecryptInfo(sessionKey, encryptedData, iv string) (decryptData *encryptor.PlainData, err error) {
	wechatClient := GetWxApp()
	encryptorClient := wechatClient.GetEncryptor()
	decryptData, err = encryptorClient.Decrypt(sessionKey, encryptedData, iv)
	return
}

// GetSunCode 获取太阳码
func GetSunCode(page, scene string) (resp []byte, err error) {
	// 此处因初始化顺序问题不放在init中
	env := "trial"
	if utils.RunMode == "release" {
		env = "release"
	}
	codePars := qrcode.QRCoder{
		Page:       page,
		Scene:      scene,
		EnvVersion: env,
	}
	wechatClient := GetWxApp()
	qr := wechatClient.GetQRCode()
	return qr.GetWXACodeUnlimit(codePars)
}