public function addLaporan(CreateLaporanRequest $request)
 {
     $request->file('file')->move(public_path('upload/audit'), $request->file('file')->getClientOriginalName());
     $r = $request->except('file');
     $r['file'] = $request->file('file')->getClientOriginalName();
     Laporan::createLaporan($r['id_koperasi'], $r['id_pengirim'], $r['file'], $r['tahun']);
     return redirect()->back()->with('message', 'Laporan berhasil ditambahkan');
 }