mein-sterntours/app/Http/Controllers/FileController.php

<?php

namespace App\Http\Controllers;


use Response;
use Storage;

class FileController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
    }


    public function show($id = null, $disk = null, $do='file')
    {
        $path = "";
        $filename = "";

        switch ($disk){
            case 'customer':
                $file = \App\Models\CustomerFile::findOrFail($id);
                $filename = $file->original_name;
                $path = $file->getPath();
                break;
            case 'travel_user':
                $file = \App\Models\CustomerFewoFile::findOrFail($id);
                $filename = $file->original_name;
                $path = $file->getPath();
                break;
            case 'booking':
                $file = \App\Models\BookingFile::findOrFail($id);
                $filename = $file->original_name;
                $path = $file->getPath();
                break;
            case 'general':
                $file = \App\Models\GeneralFile::findOrFail($id);
                $filename = $file->original_name;
                $path = $file->getPath();
                break;
            case 'booking_fewo':
                $file = \App\Models\TravelUserBookingFile::findOrFail($id);
                $filename = $file->original_name;
                $path = $file->getPath();
                break;
            case 'lead':
                $file = \App\Models\LeadFile::findOrFail($id);
                $filename = $file->original_name;
                $path = $file->getPath();
                break;
            case 'cms_file':
                $file = \App\Models\CMSContent::findOrFail($id);
                $filename = $file->name;
                $path = $file->getPath();
                break;
            case 'booking_document':
                $file = \App\Models\BookingDocument::findOrFail($id);
                $filename = $file->name;
                $path = $file->getPath();
                break;
        }

    
        if (file_exists($path)) {

            switch ($do) {
                case 'file':
                    return Response::file($path);
                    break;
                case 'download':
                    return Response::download($path, $filename);
                    break;
                case 'url':
                    return $path.$filename;
                    break;
            }
        }
    }


    public function showExpert($type = null, $class = null, $year = null, $file = null, $do = null) {

        /*if ($type == 'xls') {
            $path = storage_path("app/export/");
            $filename = $file . '.xls';
        }*/
        $path = "";
        $filename = "";
        $headers = [];

        if ($class === 'invoices' || $class === 'infos'){
            $headers = [
                'Content-Type: application/pdf',
                'Pragma: no-cache',
                'Cache-Control: no-store,no-cache, must-revalidate, post-check=0, pre-check=0'
            ];
            $dir = $year."/";
            $filename = $file;
            if ($type === 'fewo') {
                if(Storage::disk('fewo_invoices')->exists( $dir.$filename )){
                    $path = Storage::disk('fewo_invoices')->path($dir.$filename);
                }
            }
            if ($type === 'fewo') {
                if(Storage::disk('fewo_infos')->exists( $dir.$filename )){
                    $path = Storage::disk('fewo_infos')->path($dir.$filename);
                }
            }
        }

        if (file_exists($path)) {
            if($do === "download"){
                return Response::download($path, $filename, $headers);
            }
            if($do === "file"){
                return Response::file($path, $headers);
            }
        }
    }
}