public function favGuide($id) { $userId = Auth::user()->id; if (!GuideFav::exists($userId, $id)) { $guide = Guide::findOrFail($id); $guideFav = new GuideFav(); $guideFav->guide_id = $id; $guideFav->user_id = $userId; $guideFav->save(); $guide->updateFavs(); return $guide->favs; } return -1; }