try_catch

public function store(validateFormPost $request)
    {
        DB::beginTransaction();

        try {
            $post = auth()->user()->posts()->create([
                'judul' => $request->judul,
                'category_id' => $request->category,
                'slug' => $request->slug,
                'isi_berita' => $request->isi_berita,
                'published_at' => Carbon::now(),
            ]);
            $post->tags()->attach($request->tags);


        }catch(\Exception $e){
            DB::rollback();
            return redirect()->back()->with(['message'=>$e->getMessage(), 'alertClass'=>'danger']);
        }

        try {
            Category::create([
                'namak' => 'Tes Kategori', //ini sengaja nama column nya di salah-kan. yang benar adalah "nama"
                'slug' => 'tes-kategori',
                'deskripsi' => 'tes deskripsi'
            ]);
        }catch(\Exception $x){
            DB::rollback();
            return redirect()->back()->with(['message'=>$x->getMessage(), 'alertClass'=>'danger']);
        }

        DB::commit();

        $message = "Data Post Berhasil ditambahkan";
        return redirect('post')->with(['message' => $message, 'alertClass'=>'info']);

    }