Writeoff/Http/Controllers/FacilityTypeController.php

<?php

    namespace Modules\Writeoff\Http\Controllers;

    use App\Http\Controllers\Controller;
    use Illuminate\Http\Request;
    use Illuminate\Support\Facades\Auth;
    use Modules\Writeoff\DataTables\FacilityTypeDataTable;

    class FacilityTypeController extends Controller
    {
        public $user;

        public function __construct()
        {
            $this->middleware(function ($request, $next) {
                $this->user = Auth::guard('web')->user();
                return $next($request);
            });
        }

        /**
         * Display a listing of the FacilityTypes.
         *
         * @param \Modules\Writeoff\DataTables\FacilityTypeDataTable $dataTable
         *
         * @return mixed
         */
        public function index(FacilityTypeDataTable $dataTable, Request $request)
        {
            if (is_null($this->user) || !$this->user->can('parameter.read')) {
                abort(403, 'Sorry !! You are Unauthorized to view any master data !');
            }

            return $dataTable->render('writeoff::parameter.facility_types.index');
        }
    }