FileService::__construct() - Code Metrics - Inspection of "Move getPicturesFromFolder to fileService and fix..." - matiasdelellis/facerecognition - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — shared-storage-experiments ( ffc80d...075dcd )

by Matias

created 2019-12-16 22:40 UTC

FileService::__construct() A

↳ Parent: FileService

Complexity

Conditions	1
Paths	1

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
cc	1
eloc	4
c	2
b	1
f	0
nc	1
nop	4
dl	0
loc	9
ccs	0
cts	5
cp	0
crap	2
rs	10

<?php
declare(strict_types=1);

/**
 * @copyright Copyright (c) 2019 Matias De lellis <[email protected]>
 *
 * @author Matias De lellis <[email protected]>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\FaceRecognition\Service;

use OCA\FaceRecognition\Helper\Requirements;

use OCP\IConfig;
use OCP\Files\IRootFolder;
use OCP\Files\File;
use OCP\Files\Folder;
use OCP\Files\Node;
use OCP\ITempManager;

use OCP\Files\IHomeStorage;
use OCP\Files\NotFoundException;

use OCA\Files_Sharing\External\Storage as SharingExternalStorage;
filter:
    dependency_paths: ["lib/*"]

class FileService {

	const NOMEDIA_FILE = ".nomedia";

	const FACERECOGNITION_SETTINGS_FILE = ".facerecognition.json";

	/**  @var string|null */
	private $userId;

	/** @var IConfig Config */
	private $config;

	/** @var IRootFolder */
	private $rootFolder;

	/** @var ITempManager */
	private $tempManager;

	public function __construct($userId,
	                            IConfig      $config,
	                            IRootFolder  $rootFolder,
	                            ITempManager $tempManager)
	{
		$this->userId      = $userId;
		$this->config      = $config;
		$this->rootFolder  = $rootFolder;
		$this->tempManager = $tempManager;
	}

	/**
	 * TODO: Describe exactly when necessary.
	 */
	public function setupFS(string $userId) {
		\OC_Util::tearDownFS();
filter:
    dependency_paths: ["lib/*"]
		\OC_Util::setupFS($userId);

		$this->userId = $userId;
	}

	/**
	 * @return Node
	 * @throws NotFoundException
	 */
	public function getFileById($fileId, $userId = null): Node {
		$files = $this->rootFolder->getUserFolder($this->userId ?? $userId)->getById($fileId);
		if (count($files) === 0) {
			throw new NotFoundException();
		}

		return $files[0];
	}

	/**
	 * Checks if this file is located somewhere under .nomedia file and should be therefore ignored.
	 * Or with an .facerecognition.json setting file that disable tha analysis
	 *
	 * @param File $file File to search for
	 * @return bool True if file is located under .nomedia or .facerecognition.json that disabled
	 * analysis, false otherwise
	 */
	public function isUnderNoDetection(Node $node): bool {
		// If we detect .nomedia file anywhere on the path to root folder (id===null), bail out
		$parentNode = $node->getParent();
		while (($parentNode instanceof Folder) && ($parentNode->getId() !== null)) {
			$allowDetection = $this->allowsChildDetection($parentNode);
			if (!$allowDetection)
				return true;
			$parentNode = $parentNode->getParent();
		}
		return false;
	}

	/**
	 * Checks if this folder has .nomedia file an .facerecognition.json setting file that
	 * disable that analysis.
	 *
	 * @param Folder $folder Folder to search for
	 * @return bool true if folder dont have an .nomedia file or .facerecognition.json that disabled
	 * analysis, false otherwise
	 */
	public function allowsChildDetection(Folder $folder): bool {
		if ($folder->nodeExists(FileService::NOMEDIA_FILE)) {
			return false;
		}
		if ($folder->nodeExists(FileService::FACERECOGNITION_SETTINGS_FILE)) {
			$file = $folder->get(FileService::FACERECOGNITION_SETTINGS_FILE);
			$localPath = $this->getLocalFile($file);

			$settings = json_decode(file_get_contents($localPath));
			if ($settings === null || !array_key_exists('detection', $settings))
				return true;

			if ($settings['detection'] === 'off')
				return false;
		}

		return true;
	}

	/**
	 * Returns if the file is inside a shared storage.
	 */
	public function isSharedFile(Node $node): bool {
		return $node->getStorage()->instanceOfStorage(SharingExternalStorage::class);
	}

	/**
	 * Returns if the file is inside HomeStorage.
	 */
	public function isUserFile(Node $node): bool {
		return $node->getStorage()->instanceOfStorage(IHomeStorage::class);
	}

	/**
	 * Get a path to either the local file or temporary file
	 *
	 * @param File $file
	 * @param int $maxSize maximum size for temporary files
	 * @return string
	 */
	public function getLocalFile(File $file, int $maxSize = null): string {
		$useTempFile = $file->isEncrypted() || !$file->getStorage()->isLocal();
		if ($useTempFile) {
			$absPath = $this->tempManager->getTemporaryFile();

			$content = $file->fopen('r');
			if ($maxSize !== null) {
				$content = stream_get_contents($content, $maxSize);
			}
			file_put_contents($absPath, $content);

			return $absPath;
		} else {
			return $file->getStorage()->getLocalFile($file->getInternalPath());

		}
	}

	/**
	 * Return all images from a given folder.
	 *
	 * TODO: It is inefficient since it copies the array recursively.
	 *
	 * @param Folder $folder Folder to get images from
	 * @return array List of all images and folders to continue recursive crawling
	 */
	public function getPicturesFromFolder(Folder $folder, $results = array()) {
		$handleSharedFiles = $this->config->getAppValue('facerecognition', 'handle-shared-files', 'false');
		$nodes = $folder->getDirectoryListing();
		foreach ($nodes as $node) {
			if (!$this->isUserFile($node) || ($this->isSharedFile($node) && $handleSharedFiles !== 'true')) {
				continue;
			}
			if ($node instanceof Folder && $this->allowsChildDetection($node)) {
				$results = $this->getPicturesFromFolder($node, $results);
			}
			else if ($node instanceof File) {
				if (Requirements::isImageTypeSupported($node->getMimeType())) {
					$results[] = $node;
				}
			}
		}
		return $results;
	}

	/**
	 * Create a temporary file and return the path
	 */
	public function getTemporaryFile(string $postFix = ''): string {
		return $this->tempManager->getTemporaryFile($postFix);
	}

	/**
	 * Remove any temporary file from the service.
	 */
	public function clean() {
		$this->tempManager->clean();
	}

}


1		<?php
2		declare(strict_types=1);
3
4		/**
5		* @copyright Copyright (c) 2019 Matias De lellis <[email protected]>
6		*
7		* @author Matias De lellis <[email protected]>
8		*
9		* @license GNU AGPL version 3 or any later version
10		*
11		* This program is free software: you can redistribute it and/or modify
12		* it under the terms of the GNU Affero General Public License as
13		* published by the Free Software Foundation, either version 3 of the
14		* License, or (at your option) any later version.
15		*
16		* This program is distributed in the hope that it will be useful,
17		* but WITHOUT ANY WARRANTY; without even the implied warranty of
18		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19		* GNU Affero General Public License for more details.
20		*
21		* You should have received a copy of the GNU Affero General Public License
22		* along with this program. If not, see <http://www.gnu.org/licenses/>.
23		*
24		*/
25
26		namespace OCA\FaceRecognition\Service;
27
28		use OCA\FaceRecognition\Helper\Requirements;
29
30		use OCP\IConfig;
31		use OCP\Files\IRootFolder;
32		use OCP\Files\File;
33		use OCP\Files\Folder;
34		use OCP\Files\Node;
35		use OCP\ITempManager;
36
37		use OCP\Files\IHomeStorage;
38		use OCP\Files\NotFoundException;
39
40		use OCA\Files_Sharing\External\Storage as SharingExternalStorage;
		0 ignored issues – show Bug introduced 2019-12-08 14:34 UTC by Report Bug Copy Issue Report The type `OCA\Files_Sharing\External\Storage` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
41
42		class FileService {
43
44		const NOMEDIA_FILE = ".nomedia";
45
46		const FACERECOGNITION_SETTINGS_FILE = ".facerecognition.json";
47
48		/** @var string\|null */
49		private $userId;
50
51		/** @var IConfig Config */
52		private $config;
53
54		/** @var IRootFolder */
55		private $rootFolder;
56
57		/** @var ITempManager */
58		private $tempManager;
59
60		public function __construct($userId,
61		IConfig $config,
62		IRootFolder $rootFolder,
63		ITempManager $tempManager)
64		{
65		$this->userId = $userId;
66		$this->config = $config;
67		$this->rootFolder = $rootFolder;
68		$this->tempManager = $tempManager;
69		}
70
71		/**
72		* TODO: Describe exactly when necessary.
73		*/
74		public function setupFS(string $userId) {
75		\OC_Util::tearDownFS();
		0 ignored issues – show Bug introduced 2019-12-08 14:34 UTC by Report Bug Copy Issue Report The type `OC_Util` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
76		\OC_Util::setupFS($userId);
77
78		$this->userId = $userId;
79		}
80
81		/**
82		* @return Node
83		* @throws NotFoundException
84		*/
85		public function getFileById($fileId, $userId = null): Node {
86		$files = $this->rootFolder->getUserFolder($this->userId ?? $userId)->getById($fileId);
87		if (count($files) === 0) {
88		throw new NotFoundException();
89		}
90
91		return $files[0];
92		}
93
94		/**
95		* Checks if this file is located somewhere under .nomedia file and should be therefore ignored.
96		* Or with an .facerecognition.json setting file that disable tha analysis
97		*
98		* @param File $file File to search for
99		* @return bool True if file is located under .nomedia or .facerecognition.json that disabled
100		* analysis, false otherwise
101		*/
102		public function isUnderNoDetection(Node $node): bool {
103		// If we detect .nomedia file anywhere on the path to root folder (id===null), bail out
104		$parentNode = $node->getParent();
105		while (($parentNode instanceof Folder) && ($parentNode->getId() !== null)) {
106		$allowDetection = $this->allowsChildDetection($parentNode);
107		if (!$allowDetection)
108		return true;
109		$parentNode = $parentNode->getParent();
110		}
111		return false;
112		}
113
114		/**
115		* Checks if this folder has .nomedia file an .facerecognition.json setting file that
116		* disable that analysis.
117		*
118		* @param Folder $folder Folder to search for
119		* @return bool true if folder dont have an .nomedia file or .facerecognition.json that disabled
120		* analysis, false otherwise
121		*/
122		public function allowsChildDetection(Folder $folder): bool {
123		if ($folder->nodeExists(FileService::NOMEDIA_FILE)) {
124		return false;
125		}
126		if ($folder->nodeExists(FileService::FACERECOGNITION_SETTINGS_FILE)) {
127		$file = $folder->get(FileService::FACERECOGNITION_SETTINGS_FILE);
128		$localPath = $this->getLocalFile($file);
129
130		$settings = json_decode(file_get_contents($localPath));
131		if ($settings === null \|\| !array_key_exists('detection', $settings))
132		return true;
133
134		if ($settings['detection'] === 'off')
135		return false;
136		}
137
138		return true;
139		}
140
141		/**
142		* Returns if the file is inside a shared storage.
143		*/
144		public function isSharedFile(Node $node): bool {
145		return $node->getStorage()->instanceOfStorage(SharingExternalStorage::class);
146		}
147
148		/**
149		* Returns if the file is inside HomeStorage.
150		*/
151	16	public function isUserFile(Node $node): bool {
152	16	return $node->getStorage()->instanceOfStorage(IHomeStorage::class);
153		}
154
155		/**
156		* Get a path to either the local file or temporary file
157		*
158		* @param File $file
159		* @param int $maxSize maximum size for temporary files
160		* @return string
161		*/
162		public function getLocalFile(File $file, int $maxSize = null): string {
163		$useTempFile = $file->isEncrypted() \|\| !$file->getStorage()->isLocal();
164		if ($useTempFile) {
165		$absPath = $this->tempManager->getTemporaryFile();
166
167		$content = $file->fopen('r');
168		if ($maxSize !== null) {
169		$content = stream_get_contents($content, $maxSize);
170		}
171		file_put_contents($absPath, $content);
172
173		return $absPath;
174		} else {
175		return $file->getStorage()->getLocalFile($file->getInternalPath());
		0 ignored issues – show Bug Best Practice introduced 2019-12-06 17:54 UTC by Report Bug Copy Issue Report The expression `return $file->getStorage...ile->getInternalPath())` could return the type `false` which is incompatible with the type-hinted return `string`. Consider adding an additional type-check to rule them out. Loading history...
176		}
177		}
178
179		/**
180		* Return all images from a given folder.
181		*
182		* TODO: It is inefficient since it copies the array recursively.
183		*
184		* @param Folder $folder Folder to get images from
185		* @return array List of all images and folders to continue recursive crawling
186		*/
187		public function getPicturesFromFolder(Folder $folder, $results = array()) {
188		$handleSharedFiles = $this->config->getAppValue('facerecognition', 'handle-shared-files', 'false');
189		$nodes = $folder->getDirectoryListing();
190		foreach ($nodes as $node) {
191		if (!$this->isUserFile($node) \|\| ($this->isSharedFile($node) && $handleSharedFiles !== 'true')) {
192		continue;
193		}
194		if ($node instanceof Folder && $this->allowsChildDetection($node)) {
195		$results = $this->getPicturesFromFolder($node, $results);
196		}
197		else if ($node instanceof File) {
198		if (Requirements::isImageTypeSupported($node->getMimeType())) {
199		$results[] = $node;
200		}
201		}
202		}
203		return $results;
204		}
205
206		/**
207		* Create a temporary file and return the path
208		*/
209		public function getTemporaryFile(string $postFix = ''): string {
210		return $this->tempManager->getTemporaryFile($postFix);
211		}
212
213		/**
214		* Remove any temporary file from the service.
215		*/
216		public function clean() {
217		$this->tempManager->clean();
218		}
219
220		}
221

matiasdelellis / facerecognition

Push — shared-storage-experiments ( ffc80d...075dcd )

FileService::__construct() A

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