public IActionResult Get(bool includeMeetings = true, bool getAll = false)
        {
            try
            {
                IEnumerable <Group> results;
                if (getAll)
                {
                    results = _repository.GetAllGroups(includeMeetings);
                }
                else
                {
                    var user = User.Identity.Name;
                    results = _repository.GetAllGroupsOfUser(user, includeMeetings);
                }

                return(Ok(_mapper.Map <IEnumerable <Group>, IEnumerable <GroupViewModel> >(results)));
            }
            catch (Exception ex)
            {
                _logger.LogError($"Failed to get groups. Exception={ex}");
                return(BadRequest($"Failed to get groups. {ex.Message}"));
            }
        }