| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * File: DownloadProcessor.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @author Bartosz Kubicki [email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @copyright Copyright (C) 2020 Lizard Media (http://lizardmedia.pl) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | namespace LizardMedia\ProductAttachment\Controller; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use Exception; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use LizardMedia\ProductAttachment\Api\Data\AttachmentInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use Magento\Framework\App\Response\Http\FileFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Magento\Framework\Controller\Result\Raw; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Magento\Framework\Controller\Result\RawFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use Magento\Framework\Exception\FileSystemException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use Magento\Framework\Filesystem\Io\File; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * Class DownloadProcessor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * @package LizardMedia\ProductAttachment\Controller | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | class DownloadProcessor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @var DownloadResourceResolver | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     private $downloadResourceResolver; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * @var FileFactory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     private $fileFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @var RawFactory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     private $rawFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @var File | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     private $file; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * DownloadProcessor constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * @param DownloadResourceResolver $downloadResourceResolver | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * @param FileFactory $fileFactory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @param RawFactory $rawFactory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * @param File $file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     public function __construct( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         DownloadResourceResolver $downloadResourceResolver, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         FileFactory $fileFactory, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         RawFactory $rawFactory, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         File $file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |         $this->downloadResourceResolver = $downloadResourceResolver; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         $this->fileFactory = $fileFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         $this->rawFactory = $rawFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         $this->file = $file; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * @param AttachmentInterface $attachment | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      * @return Raw | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * @throws FileSystemException | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 71 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  |     public function processDownload(AttachmentInterface $attachment): Raw | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  |         /** @var $raw Raw */ | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  |         try { | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |             $raw = $this->rawFactory->create(); | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  |             $response = $this->fileFactory->create( | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  |                 basename($this->downloadResourceResolver->resolveResource($attachment)), | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |                 $this->readFile($attachment) | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |             ); | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |             return $raw->renderResult($response); | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  |         } catch (Exception $exception) { | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  |             throw new FileSystemException(__('File could not be downloaded')); | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @param AttachmentInterface $attachment | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @throws FileSystemException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     private function readFile(AttachmentInterface $attachment): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         $fileContent = $this->file->read($this->downloadResourceResolver->resolveResource($attachment)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         if ($fileContent === false ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |             throw new FileSystemException(__('File could not be read')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         return $fileContent; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 100 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 101 |  |  | } |