public async Task <IActionResult> GetStudentsForProgramme(string id)
        {
            var programme = await _programmeRepository.GetProgrammeWithStudents(id);

            if (programme != null)
            {
                // _mapper.Map
                return(Ok(_mapper.Map <ProgrammeDto>(programme)));
            }
            else
            {
                _logger.LogWarning($"Get programme. Id {id} not found.");
                return(NotFound());
            }
        }