Sindbad~EG File Manager

<?php

namespace App\Http\Controllers;
use Illuminate\Http\Request;
use Maatwebsite\Excel\Facades\Excel;
use App\Imports\UsersImport;
use App\Exports\UsersExport;
use App\Exports\EvaluacionExport;
use App\Models\Empresa;
use App\Models\User;
use Session;

class UserController extends Controller
{
    /**
    * @return \Illuminate\Support\Collection
    */
    public function fileImportExport(){

            $usuarios = User::where('empresa_id',$_GET['id'])->count();

       		return view('admin.empresas.usuarios.index',["empresa" => Empresa::findOrFail($_GET['id']),"usuarios" => $usuarios]);
    }
   
    /**
    * @return \Illuminate\Support\Collection
    */
    public function fileImport(Request $request) {

        Excel::import(new UsersImport($request->get('id')), $request->file('file')->store('temp'));
        Session::flash('success', '¡Usuarios importados correctamente!');

        return back();
    }

    /**
    * @return \Illuminate\Support\Collection
    */
    public function fileExport($id) {

        Session::flash('success', '¡Usuarios descargados correctamente!');
        return Excel::download(new UsersExport($id), 'users-collection.xlsx');
    }    

    public function fileExportResultados($id) {

        Session::flash('success', '¡Usuarios descargados correctamente!');
        return Excel::download(new EvaluacionExport($id), 'respuestas-collection.xlsx');
    }   
}