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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * ownCloud - galleryplus  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is licensed under the Affero General Public License version 3 or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * later. See the COPYING file.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Olivier Paroz <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Olivier Paroz 2014-2016  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OCA\GalleryPlus\Service;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\Node;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\ILogger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\GalleryPlus\Environment\Environment;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Contains methods which all services will need  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package OCA\GalleryPlus\Service  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                abstract class Service { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected $appName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var Environment  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected $environment;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var ILogger  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected $logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Constructor  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $appName  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param Environment $environment  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param ILogger $logger  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                             111                          | 
                
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                	public function __construct(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$appName,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		Environment $environment,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		ILogger $logger  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->appName = $appName;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->environment = $environment;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->logger = $logger;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Returns the file matching the given ID  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param int $nodeId ID of the resource to locate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return Node  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws NotFoundServiceException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getFile($nodeId) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$node = $this->getNode($nodeId);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($node->getType() === 'file') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->validateNode($node);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $node;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new NotFoundServiceException("Cannot find a file with this ID"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Returns the node matching the given ID  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param int $nodeId ID of the resource to locate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return Node  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws NotFoundServiceException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private function getNode($nodeId) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$node = $this->environment->getResourceFromId($nodeId);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $node;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} catch (\Exception $exception) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new NotFoundServiceException($exception->getMessage());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Makes extra sure that we can actually do something with the file  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param Node $node  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws NotFoundServiceException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private function validateNode($node) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if (!$node->getMimetype() || !$node->isReadable()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new NotFoundServiceException("Can't access the file"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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