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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2019, Matias De lellis <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Matias De lellis <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license GNU AGPL version 3 or any later version  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is free software: you can redistribute it and/or modify  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * it under the terms of the GNU Affero General Public License as  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * published by the Free Software Foundation, either version 3 of the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * License, or (at your option) any later version.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is distributed in the hope that it will be useful,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * but WITHOUT ANY WARRANTY; without even the implied warranty of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * GNU Affero General Public License for more details.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * You should have received a copy of the GNU Affero General Public License  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * along with this program.  If not, see <http://www.gnu.org/licenses/>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OCA\FaceRecognition\Service;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\IConfig;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\IAppData;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\IRootFolder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\NotFoundException;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class ModelService { | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/** @var IConfig */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	private $config;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/** @var IAppData */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	private $appData;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/** @var IRootFolder */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	private $rootFolder;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/** @var string */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	private $modelsFolder;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function __construct(IConfig     $config,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	                            IAppData    $appData,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	                            IRootFolder $rootFolder) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->config     = $config;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->appData    = $appData;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->rootFolder = $rootFolder;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Construct root folder for models  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->prepareAppDataFolders();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		/// Get this folder.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$instanceId = $this->config->getSystemValue('instanceid', null); | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$appData = $this->rootFolder->get('appdata_'.$instanceId)->getPath(); | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$dataDir = $this->config->getSystemValue('datadirectory', null); | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->modelsFolder = $dataDir . $appData . '/facerecognition/models/';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function getFileModelPath(int $modelId, string $file): string { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return $this->modelsFolder . $modelId . '/' . $file;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return bool  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function modelFileExists(int $modelId, string $file): bool { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return file_exists($this->getFileModelPath($modelId, $file));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function prepareModelFolder(int $modelId) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		try { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$this->appData->getFolder('/models/' . $modelId); | 
            
            
                                                                        
                            
            
                                    
            
            
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                		} catch (NotFoundException $e) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$this->appData->newFolder('/models/' . $modelId); | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private function prepareAppDataFolders() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->appData->getFolder('/models'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} catch (NotFoundException $e) { | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                			$this->appData->newFolder('/models'); | 
            
            
                                                                        
                                                                
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                                                                
            
                                    
            
            
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                }  |