func AddOrgInvite(c *middleware.Context, inviteDto dtos.AddInviteForm) Response {
	logger := log.New("main")
	logger.Info(" AddOrgInvite1", c.OrgId)
	if !inviteDto.Role.IsValid() {
		return ApiError(400, "Invalid role specified", nil)
	}

	// first try get existing user
	userQuery := m.GetUserByLoginQuery{LoginOrEmail: inviteDto.LoginOrEmail}
	if err := bus.Dispatch(&userQuery); err != nil {
		if err != m.ErrUserNotFound {
			return ApiError(500, "Failed to query db for existing user check", err)
		}
	} else {
		return inviteExistingUserToOrg(c, userQuery.Result, &inviteDto)
	}
	logger1 := log.New("main")
	logger1.Info(" AddOrgInvite2", c.OrgId)
	cmd := m.CreateTempUserCommand{}
	cmd.OrgId = c.OrgId
	cmd.Email = inviteDto.LoginOrEmail
	cmd.Name = inviteDto.Name
	cmd.Status = m.TmpUserInvitePending
	cmd.InvitedByUserId = c.UserId
	cmd.Code = util.GetRandomString(30)
	cmd.Role = inviteDto.Role
	cmd.RemoteAddr = c.Req.RemoteAddr

	if err := bus.Dispatch(&cmd); err != nil {
		return ApiError(500, "Failed to save invite to database", err)
	}

	// send invite email
	if !inviteDto.SkipEmails && util.IsEmail(inviteDto.LoginOrEmail) {
		emailCmd := m.SendEmailCommand{
			To:       []string{inviteDto.LoginOrEmail},
			Template: "new_user_invite.html",
			Data: map[string]interface{}{
				"Name":      util.StringsFallback2(cmd.Name, cmd.Email),
				"OrgName":   c.OrgName,
				"Email":     c.Email,
				"LinkUrl":   setting.ToAbsUrl("invite/" + cmd.Code),
				"InvitedBy": util.StringsFallback3(c.Name, c.Email, c.Login),
			},
		}

		if err := bus.Dispatch(&emailCmd); err != nil {
			return ApiError(500, "Failed to send email invite", err)
		}

		return ApiSuccess(fmt.Sprintf("Sent invite to %s", inviteDto.LoginOrEmail))
	}

	return ApiSuccess(fmt.Sprintf("Created invite for %s", inviteDto.LoginOrEmail))
}

func CreateTempUser(cmd *m.CreateTempUserCommand) error {
	return inTransaction2(func(sess *session) error {

		// create user
		user := &m.TempUser{
			Email:           cmd.Email,
			Name:            cmd.Name,
			OrgId:           cmd.OrgId,
			Code:            cmd.Code,
			Role:            cmd.Role,
			Status:          cmd.Status,
			RemoteAddr:      cmd.RemoteAddr,
			InvitedByUserId: cmd.InvitedByUserId,
			Created:         time.Now(),
			Updated:         time.Now(),
		}

		if _, err := sess.Insert(user); err != nil {
			return err
		}

		cmd.Result = user
		return nil
	})
}

// POST /api/user/signup
func SignUp(c *middleware.Context, form dtos.SignUpForm) Response {
	if !setting.AllowUserSignUp {
		return ApiError(401, "User signup is disabled", nil)
	}

	existing := m.GetUserByLoginQuery{LoginOrEmail: form.Email}
	if err := bus.Dispatch(&existing); err == nil {
		return ApiError(422, "User with same email address already exists", nil)
	}

	cmd := m.CreateTempUserCommand{}
	cmd.OrgId = -1
	cmd.Email = form.Email
	cmd.Status = m.TmpUserSignUpStarted
	cmd.InvitedByUserId = c.UserId
	cmd.Code = util.GetRandomString(20)
	cmd.RemoteAddr = c.Req.RemoteAddr

	if err := bus.Dispatch(&cmd); err != nil {
		return ApiError(500, "Failed to create signup", err)
	}

	bus.Publish(&events.SignUpStarted{
		Email: form.Email,
		Code:  cmd.Code,
	})

	metrics.M_Api_User_SignUpStarted.Inc(1)

	return Json(200, util.DynMap{"status": "SignUpCreated"})
}