Golang User.Update方法代碼示例

func UserFollow(user *models.User, theUser *models.User) {
	if theUser.Read() == nil {
		var mutual bool
		tFollow := models.Follow{User: theUser, FollowUser: user}
		if err := tFollow.Read("User", "FollowUser"); err == nil {
			mutual = true
		}

		follow := models.Follow{User: user, FollowUser: theUser, Mutual: mutual}
		if err := follow.Insert(); err == nil && mutual {
			tFollow.Mutual = mutual
			tFollow.Update("Mutual")
		}

		if nums, err := user.FollowingUsers().Count(); err == nil {
			user.Following = int(nums)
			user.Update("Following")
		}

		if nums, err := theUser.FollowerUsers().Count(); err == nil {
			theUser.Followers = int(nums)
			theUser.Update("Followers")
		}
	}
}

// Active implemented check Email actice code.
func (this *RegisterRouter) Active() {
	this.TplNames = "auth/active.html"

	// no need active
	if this.CheckActiveRedirect(false) {
		return
	}

	code := this.GetString(":code")

	var user models.User

	if auth.VerifyUserActiveCode(&user, code) {
		user.IsActive = true
		user.Rands = models.GetUserSalt()
		if err := user.Update("IsActive", "Rands", "Updated"); err != nil {
			beego.Error("Active: user Update ", err)
		}
		if this.IsLogin {
			this.User = user
		}

		this.Redirect("/active/success", 302)

	} else {
		this.Data["Success"] = false
	}
}

func UserUnFollow(user *models.User, theUser *models.User) {
	num, _ := user.FollowingUsers().Filter("FollowUser", theUser.Id).Delete()
	if num > 0 {
		theUser.FollowingUsers().Filter("FollowUser", user.Id).Update(orm.Params{
			"Mutual": false,
		})

		if nums, err := user.FollowingUsers().Count(); err == nil {
			user.Following = int(nums)
			user.Update("Following")
		}

		if nums, err := theUser.FollowerUsers().Count(); err == nil {
			theUser.Followers = int(nums)
			theUser.Update("Followers")
		}
	}
}

func (form *ProfileForm) SaveUserProfile(user *models.User) error {
	// set md5 value if the value is an email
	if strings.IndexRune(form.GrEmail, '@') != -1 {
		form.GrEmail = utils.EncodeMd5(form.GrEmail)
	}

	changes := utils.FormChanges(user, form)
	if len(changes) > 0 {
		// if email changed then need re-active
		if user.Email != form.Email {
			user.IsActive = false
			changes = append(changes, "IsActive")
		}

		utils.SetFormValues(form, user)
		return user.Update(changes...)
	}
	return nil
}

// set a new password to user
func SaveNewPassword(user *models.User, password string) error {
	salt := models.GetUserSalt()
	user.Password = fmt.Sprintf("%s$%s", salt, utils.EncodePassword(password, salt))
	return user.Update("Password", "Rands", "Updated")
}

//upload user avatar
func UploadUserAvatarToQiniu(r io.ReadSeeker, filename string, mime string, bucketName string, user *models.User) error {
	var ext string

	// test image mime type
	switch mime {
	case "image/jpeg":
		ext = ".jpg"

	case "image/png":
		ext = ".png"

	case "image/gif":
		ext = ".gif"

	default:
		ext = filepath.Ext(filename)
		switch ext {
		case ".jpg", ".png", ".gif":
		default:
			return fmt.Errorf("unsupport image format `%s`", filename)
		}
	}

	// decode image
	var err error
	switch ext {
	case ".jpg":
		_, err = jpeg.Decode(r)
	case ".png":
		_, err = png.Decode(r)
	case ".gif":
		_, err = gif.Decode(r)
	}

	if err != nil {
		return err
	}

	//reset reader pointer
	if _, err := r.Seek(0, 0); err != nil {
		return err
	}
	var data []byte
	if data, err = ioutil.ReadAll(r); err != nil {
		return err
	}

	if len(data) > setting.AvatarImageMaxLength {
		return fmt.Errorf("avatar image size too large", filename)
	}

	//reset reader pointer again
	if _, err := r.Seek(0, 0); err != nil {
		return err
	}

	//save to qiniu
	var uptoken = utils.GetQiniuUptoken(bucketName)
	var putRet qio.PutRet
	var putExtra = &qio.PutExtra{
		MimeType: mime,
	}

	err = qio.PutWithoutKey(nil, &putRet, uptoken, r, putExtra)
	if err != nil {
		return err
	}

	//update user
	user.AvatarKey = putRet.Key
	if err := user.Update("AvatarKey", "Updated"); err != nil {
		return err
	}
	return nil
}

//set a new avatar type to user
func SaveAvatarType(user *models.User, avatarType int) error {
	user.AvatarType = avatarType
	return user.Update("AvatarType", "Updated")
}