public function sendBookRequest($bookClubId, $bookId, $userId)
{
\App\RequestBookClubBook::where('book_club_id', '=', $bookClubId)->where('book_id', '=', $bookId)->where('user_id', '=', auth()->user()->id)->where('owner_id', '=', $userId)->delete();
$bookclub = \App\BookClub::findOrFail($bookClubId);
return auth()->user()->bookClubBookRequestsSent()->create(['book_club_id' => $bookClubId, 'book_id' => $bookId, 'owner_id' => $userId]);
}
