func validateOperation(req *models.Ping, context *apimodels.Context) error { // realtime doc id if req.FileId == "" { return errors.New("fileId not set") } // only logged in users can send a ping if !context.IsLoggedIn() { return errors.New("not logged in") } // override the account id and set created at req.AccountId = context.Client.Account.Id // if client is logged in, those values are all set req.CreatedAt = time.Now().UTC() return collaboration.CanOpen(req) }