public function dataBarang()
 {
     $term = Input::get('term');
     $data = Barang::distinct()->where('nama', 'LIKE', '%' . $term . '%')->groupBy('id')->take(25)->get();
     $result = [];
     foreach ($data as $barang) {
         if (strpos(Str::lower($barang), $term) !== false) {
             $result[] = ['value' => $barang->nama, 'id' => $barang->id, 'harga' => $barang->harga, 'harga_agenresmi' => $barang->harga_agenresmi, 'harga_agenlepas' => $barang->harga_agenlepas, 'stok' => $barang->stok, 'berat' => $barang->berat];
         }
     }
     return Response::json($result);
 }