public Speciality GetOneByCoach(Guid idCoach)
 {
     return(_context.Speciality.Where(SpecialitySpecs.GetOneByCoach(idCoach)).FirstOrDefault());
 }
 public List <Speciality> GetAllByCoach(Guid idCoach)
 {
     return(_context.Speciality.Where(SpecialitySpecs.GetOneByCoach(idCoach)).ToList());
 }
 public Speciality GetOne(Guid id)
 {
     return(_context.Speciality.Where(SpecialitySpecs.GetOne(id)).FirstOrDefault());
 }