public async Task <ActionResult <Coach> > GetCoachForBuilder(string builderId)
        {
            var   currentUserId = User.Identity.Name;
            Coach coach;

            try
            {
                if (User.IsInRole(Role.Admin))
                {
                    coach = await _buildersService.GetCoachForBuilderFromAdminAsync(builderId);
                }
                else if (User.IsInRole(Role.Builder))
                {
                    coach = await _buildersService.GetCoachForBuilderFromBuilderAsync(currentUserId, builderId);
                }
                else
                {
                    return(Forbid("You must be part of the Buildup program"));
                }
            }
            catch (UnauthorizedAccessException e)
            {
                return(Forbid($"You are not allowed to get the builder's coach: {e.Message}"));
            }
            catch (Exception e)
            {
                return(BadRequest($"Can't get the coach: {e.Message}"));
            }

            if (coach == null)
            {
                return(NotFound());
            }

            return(Ok(coach));
        }