public IActionResult GetBySpecialty(int specialtyId)
{
if (specialtyId <= 0)
{
return(BadRequest("Bad specialty."));
}
var doctors = _doctorService.GetBySpecialty(specialtyId);
var doctorDtoList = DoctorMapper.ObjectToDto(doctors);
doctorDtoList.ToList().ForEach(dto => dto.SpecialtyId = specialtyId);
return(Ok(doctorDtoList));
}