public void Delete(Comment entity)
 {
     var comment = GetById(entity.Id);
     _repository.Delete(comment);
     _unitOfWork.Commit();
 }
 public void Update(Comment entity)
 {
     _repository.Update(entity);
     _unitOfWork.Commit();
 }
 public void Add(Comment entity)
 {
     _repository.Add(entity);
     _unitOfWork.Commit();
 }