315 lines
8.5 KiB
Go
315 lines
8.5 KiB
Go
package service
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import (
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"errors"
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"time"
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"github.com/flipped-aurora/gin-vue-admin/server/global"
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"github.com/flipped-aurora/gin-vue-admin/server/plugin/wechat-integration/model"
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"github.com/silenceper/wechat/v2"
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"github.com/silenceper/wechat/v2/cache"
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"github.com/silenceper/wechat/v2/miniprogram"
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miniConfig "github.com/silenceper/wechat/v2/miniprogram/config"
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"gorm.io/gorm"
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)
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type MiniService struct{}
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// GetWechatMiniProgram 获取微信小程序实例
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func (w *MiniService) GetWechatMiniProgram() (*miniprogram.MiniProgram, error) {
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if global.GVA_CONFIG.Wechat.MiniAppID == "" || global.GVA_CONFIG.Wechat.MiniAppSecret == "" {
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return nil, errors.New("微信小程序配置不完整")
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}
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wc := wechat.NewWechat()
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memory := cache.NewMemory()
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cfg := &miniConfig.Config{
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AppID: global.GVA_CONFIG.Wechat.MiniAppID,
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AppSecret: global.GVA_CONFIG.Wechat.MiniAppSecret,
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Cache: memory,
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}
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return wc.GetMiniProgram(cfg), nil
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}
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// Code2Session 小程序登录凭证校验
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func (w *MiniService) Code2Session(code string) (*model.MiniUser, error) {
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mini, err := w.GetWechatMiniProgram()
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if err != nil {
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return nil, err
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}
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// 调用微信接口获取 session
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session, err := mini.GetAuth().Code2Session(code)
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if err != nil {
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global.GVA_LOG.Error("微信小程序 Code2Session 失败: " + err.Error())
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return nil, err
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}
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if session.OpenID == "" {
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return nil, errors.New("获取用户 OpenID 失败")
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}
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// 查找或创建用户
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var user model.MiniUser
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err = global.GVA_DB.Where("open_id = ?", session.OpenID).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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// 创建新用户
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// 生成默认昵称：萌宠爱 + OpenID的前6位
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defaultNickname := "萌宠爱" + session.OpenID[:6]
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user = model.MiniUser{
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OpenID: session.OpenID,
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SessionKey: &session.SessionKey,
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Nickname: &defaultNickname,
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}
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if session.UnionID != "" {
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user.UnionID = &session.UnionID
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}
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now := time.Now()
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user.LastLoginTime = &now
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err = global.GVA_DB.Create(&user).Error
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if err != nil {
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global.GVA_LOG.Error("创建微信小程序用户失败: " + err.Error())
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return nil, err
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}
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} else {
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global.GVA_LOG.Error("查询微信小程序用户失败: " + err.Error())
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return nil, err
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}
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} else {
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// 更新用户信息
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now := time.Now()
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user.SessionKey = &session.SessionKey
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user.LastLoginTime = &now
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if session.UnionID != "" {
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user.UnionID = &session.UnionID
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}
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err = global.GVA_DB.Save(&user).Error
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if err != nil {
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global.GVA_LOG.Error("更新微信小程序用户失败: " + err.Error())
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return nil, err
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}
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}
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return &user, nil
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}
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// GetUserInfo 获取用户信息
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func (w *MiniService) GetUserInfo(openid string) (*model.MiniUser, error) {
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var user model.MiniUser
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err := global.GVA_DB.Where("open_id = ?", openid).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("用户不存在")
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}
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return nil, err
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}
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return &user, nil
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}
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// GetUserByID 根据用户ID获取用户信息
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func (w *MiniService) GetUserByID(userID uint) (*model.MiniUser, error) {
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var user model.MiniUser
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err := global.GVA_DB.Where("id = ?", userID).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("用户不存在")
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}
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return nil, err
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}
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return &user, nil
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}
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// UpdateUserInfo 更新用户信息
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func (w *MiniService) UpdateUserInfo(openid string, userInfo map[string]interface{}) error {
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updates := make(map[string]interface{})
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if nickname, ok := userInfo["nickname"]; ok {
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if str, ok := nickname.(string); ok && str != "" {
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updates["nickname"] = str
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}
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}
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if avatarUrl, ok := userInfo["avatarUrl"]; ok {
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if str, ok := avatarUrl.(string); ok && str != "" {
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updates["avatar_url"] = str
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}
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}
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if gender, ok := userInfo["gender"]; ok {
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if num, ok := gender.(float64); ok {
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updates["gender"] = int(num)
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}
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}
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if country, ok := userInfo["country"]; ok {
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if str, ok := country.(string); ok && str != "" {
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updates["country"] = str
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}
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}
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if province, ok := userInfo["province"]; ok {
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if str, ok := province.(string); ok && str != "" {
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updates["province"] = str
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}
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}
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if city, ok := userInfo["city"]; ok {
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if str, ok := city.(string); ok && str != "" {
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updates["city"] = str
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}
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}
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if language, ok := userInfo["language"]; ok {
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if str, ok := language.(string); ok && str != "" {
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updates["language"] = str
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}
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}
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if len(updates) == 0 {
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return errors.New("没有需要更新的信息")
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}
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err := global.GVA_DB.Model(&model.MiniUser{}).Where("open_id = ?", openid).Updates(updates).Error
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if err != nil {
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global.GVA_LOG.Error("更新微信小程序用户信息失败: " + err.Error())
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return err
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}
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return nil
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}
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// GetUserList 获取用户列表
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func (w *MiniService) GetUserList(page, pageSize int) ([]model.MiniUser, int64, error) {
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var users []model.MiniUser
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var total int64
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db := global.GVA_DB.Model(&model.MiniUser{})
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// 获取总数
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err := db.Count(&total).Error
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if err != nil {
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return nil, 0, err
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}
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// 分页查询
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offset := (page - 1) * pageSize
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err = db.Offset(offset).Limit(pageSize).Order("created_at desc").Find(&users).Error
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if err != nil {
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return nil, 0, err
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}
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return users, total, nil
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}
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// GetUserByUnionID 根据 UnionID 获取用户信息
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func (w *MiniService) GetUserByUnionID(unionid string) (*model.MiniUser, error) {
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var user model.MiniUser
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err := global.GVA_DB.Where("unionid = ?", unionid).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("用户不存在")
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}
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return nil, err
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}
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return &user, nil
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}
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// BindPhone 绑定手机号
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func (w *MiniService) BindPhone(openid, phone string) (*model.MiniUser, error) {
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// 更新小程序用户的手机号
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err := global.GVA_DB.Model(&model.MiniUser{}).Where("open_id = ?", openid).Update("phone", phone).Error
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if err != nil {
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global.GVA_LOG.Error("更新手机号失败: " + err.Error())
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return nil, err
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}
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// 获取更新后的用户信息
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var user model.MiniUser
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err = global.GVA_DB.Where("open_id = ?", openid).First(&user).Error
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if err != nil {
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return nil, err
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}
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global.GVA_LOG.Info("用户绑定手机号成功: " + phone + ", openid: " + openid)
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return &user, nil
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}
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// GetUserByPhone 根据手机号获取用户
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func (w *MiniService) GetUserByPhone(phone string) (*model.MiniUser, error) {
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var user model.MiniUser
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err := global.GVA_DB.Where("phone = ?", phone).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("用户不存在")
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}
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return nil, err
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}
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return &user, nil
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}
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// CheckUnionIDExists 检查 UnionID 是否已存在（为APP登录预留）
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func (w *MiniService) CheckUnionIDExists(unionid string) (*model.MiniUser, error) {
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if unionid == "" {
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return nil, errors.New("unionid 不能为空")
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}
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var user model.MiniUser
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err := global.GVA_DB.Where("union_id = ?", unionid).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, nil // 不存在，返回 nil 但不报错
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}
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return nil, err
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}
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return &user, nil
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}
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// UpdatePhoneByEncryption 通过加密数据更新用户手机号
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func (w *MiniService) UpdatePhoneByEncryption(openid, encryptedData, iv string) (string, error) {
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// 1. 获取用户信息
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var user model.MiniUser
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err := global.GVA_DB.Where("open_id = ?", openid).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return "", errors.New("用户不存在")
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}
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return "", err
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}
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if user.SessionKey == nil || *user.SessionKey == "" {
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return "", errors.New("用户 SessionKey 不存在，请重新登录")
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}
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// 2. 获取微信小程序实例
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mini, err := w.GetWechatMiniProgram()
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if err != nil {
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return "", err
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}
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// 3. 使用 session_key 解密手机号
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encryptor := mini.GetEncryptor()
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plainData, err := encryptor.Decrypt(*user.SessionKey, encryptedData, iv)
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if err != nil {
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global.GVA_LOG.Error("解密手机号失败: " + err.Error())
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return "", errors.New("解密手机号失败")
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}
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// 4. 从解密数据中获取手机号
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phoneNumber := ""
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if plainData.PhoneNumber != "" {
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phoneNumber = plainData.PhoneNumber
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} else {
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return "", errors.New("解密数据中未找到手机号")
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}
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// 5. 更新用户手机号
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err = global.GVA_DB.Model(&user).Update("phone", phoneNumber).Error
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if err != nil {
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global.GVA_LOG.Error("更新手机号失败: " + err.Error())
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return "", err
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}
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global.GVA_LOG.Info("用户手机号更新成功: " + phoneNumber + ", openid: " + openid)
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return phoneNumber, nil
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}
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