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!"));
}
}