public function simpanpost($request)
 {
     $user = Auth::user()->id;
     $judul = $request->input('judul');
     $tanggal = $request->input('tanggal');
     $bulan = $request->input('bulan');
     $tahun = $request->input('tahun');
     $lokasi = $request->input('lokasi');
     $isi = $request->input('isi');
     $gambar = $request->file('gambar');
     $due_date = date('Y-m-d h:i:sa', mktime(11, 14, 54, $bulan, $tanggal, $tahun));
     Events::insert(['user_id' => $user, 'location' => $lokasi, 'title' => $judul, 'description' => $isi, 'created_at' => date('Y-m-d h:i:sa'), 'due_date' => $due_date, 'updated_at' => date('Y-m-d h:i:sa')]);
     $filename = Events::where('title', $judul)->first()->id;
     $upload_folder = '/img/event/';
     $gambar->move(public_path() . $upload_folder, $filename . '.jpg');
     return redirect('dashboard/organisasi');
 }