mivita/app/Http/Controllers/FileController.php

<?php

namespace App\Http\Controllers;

use Auth;
use Storage;
use Response;
use App\Models\UserCredit;
use App\Repositories\CreditRepository;

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

    private function isPermissionShoppingOrder($shopping_order){
        $user_id  = $shopping_order->auth_user_id ? $shopping_order->auth_user_id : $shopping_order->member_id;
        if(Auth::user()->isAdmin() || $user_id == Auth::user()->id){
            return true;
        }
       abort(404);
    }

    private function isPermissionUserCredit($user_credit){
        if(Auth::user()->isAdmin() || $user_credit->user_id  == Auth::user()->id){
            return true;
        }
       abort(404);
    }

    private function isPermissionAuth(){
        if(Auth::check()){
            return true;
        }
       abort(404);
    }

    public function show($id = null, $from = null, $do='file')
    {

        $path = "";
        $filename = "";
        $disk = "public";

        /*if($disk === 'user'){
            $file = \App\Models\File::findOrFail($id);
            $this->isPermission($file->user_id);
            $path = Storage::disk($disk)->path($file->dir.$file->filename);
            if (file_exists($path)) {
                return Response::file($path);
            }
        }*/
        if ($from === 'invoice'){
            $shopping_order = \App\Models\ShoppingOrder::findOrFail($id);
            if($shopping_order->user_invoice){
                $this->isPermissionShoppingOrder($shopping_order);
                $user_invoice = $shopping_order->user_invoice;
                $filename = $user_invoice->filename;   
                $disk = $user_invoice->disk;   
                $path = $user_invoice->getDownloadPath();          
            }

        }

        if ($from === 'delivery'){
            $shopping_order = \App\Models\ShoppingOrder::findOrFail($id);
            if($shopping_order->user_invoice){
                $this->isPermissionShoppingOrder($shopping_order);
                $user_invoice = $shopping_order->user_invoice;
                $filename = $user_invoice->delivery_filename;   
                $disk = $user_invoice->disk;   
                $path = $user_invoice->getDownloadPathDelivery();
            }
        }

        if ($from === 'credit'){
            $user_credit = \App\Models\UserCredit::findOrFail($id);
            $this->isPermissionUserCredit($user_credit);
            $filename = $user_credit->filename;   
            $disk = $user_credit->disk;   
            $path = $user_credit->getDownloadPath();
        }

        if ($from === 'credit_detail'){
            $user_credit = \App\Models\UserCredit::findOrFail($id);
            $this->isPermissionUserCredit($user_credit);
            
            return $this->create_credit_detail($user_credit, $do);

        
          /* 
             $filename = $user_credit->filename;   
            $disk = $user_credit->disk;   
            $path = $user_credit->getDownloadPath(); 
            */
        }

        
        if ($from === 'dc_file'){
            $this->isPermissionAuth();
            $dc_file = \App\Models\DcFile::findOrFail($id);
            $filename = $dc_file->filename;
            $disk = 'public';
            $path = $dc_file->getFile();
        }
        if ($from === 'dc_thumb'){
            $this->isPermissionAuth();
            $dc_file = \App\Models\DcFile::findOrFail($id);
            $filename = $dc_file->filename;
            $disk = 'public';
            $path = $dc_file->getThumb();
        }

        if ($from === 'dc_big'){
            $this->isPermissionAuth();
            $dc_file = \App\Models\DcFile::findOrFail($id);
            $filename = $dc_file->filename;
            $disk = 'public';
            $path = $dc_file->getBig();
        }



        if(!Storage::disk($disk)->exists($path)){
            return Response::make('Datei nicht gefunden.', 404);
        }

        if ($do === 'download') {
            return Storage::disk($disk)->download($path, $filename);
        }

        $file = Storage::disk($disk)->get($path);
        $mime = Storage::disk($disk)->mimeType($path);

        if(isset($file)){
            if($do === 'stream'){
                return Storage::disk($disk)->response($path, $filename);
            }

            if($do === 'file'){
                return Response::make($file, 200)
                    ->header("Content-Type", $mime)
                    ->header("Content-Length", strlen($file))
                    ->header('Content-disposition', 'filename="'.$filename.'"');
            }
            if($do === 'image'){
                return Response::make($file, 200)
                    ->header("Content-Type", $mime);
            }
            if($do === 'pdf'){
                $path = storage_path().'/app/public/' . $path;

                $headers = array(
                    'Content-Type:'. $mime,
                   // 'Content-Length: ' . $file->size
                   // 'Content-Disposition: ' . $stream . '; filename=' . $file->original_name
                  );
       
                  return Response::download($path, $filename, $headers);
            }
        }
    }

    private function create_credit_detail(UserCredit $user_credit, $do){

            $credit_repo = new CreditRepository($user_credit->user);
            return $credit_repo->create_report($user_credit, $do);
            //\Session()->flash('alert-success', "Gutschrift erstellt");
        
    }
}