public async Task <ActionResult> AcceptFriendRequest(int senderId, int receiverId, string requestId) { await _repository.DeleteFriendRequest(receiverId, requestId, senderId); bool res1 = await _repository.StudentExists(senderId); bool res2 = await _repository.StudentExists(receiverId); if (res1 && res2) { await _repository.AddFriend(senderId, receiverId); return(Ok()); } else { return(BadRequest("Student doesnt exist!")); } }