Cache::clear() - Code Metrics - Inspection of "Merge pull request #24394 from owncloud/cleanup_sh..." - owncloud/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ed3b9d...3835d9 )

by Roeland

created 2016-05-03 05:41 UTC

Cache::clear() A

↳ Parent: Cache

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Metric	Value
dl	0
loc	3
rs	10
cc	1
eloc	1
nc	1
nop	0

<?php
/**
 * @author Christopher Schäpers <[email protected]>
 * @author Jörn Friedrich Dreyer <[email protected]>
 * @author Michael Gapczynski <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Robin Appelman <[email protected]>
 *
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\Files_Sharing;

use OC\Files\Cache\Wrapper\CacheJail;
use OCP\Files\Cache\ICacheEntry;
use OCP\Files\Storage\IStorage;

/**
 * Metadata cache for shared files
 *
 * don't use this class directly if you need to get metadata, use \OC\Files\Filesystem::getFileInfo instead
 */
class Cache extends CacheJail {
	/**
	 * @var \OC\Files\Storage\Shared
	 */
	private $storage;

	/**
	 * @var IStorage
	 */
	private $sourceStorage;

	/**
	 * @var ICacheEntry
	 */
	private $sourceRootInfo;

	/**
	 * @var \OCP\Files\Cache\ICache
	 */
	private $sourceCache;

	/**
	 * @param \OC\Files\Storage\Shared $storage
	 * @param IStorage $sourceStorage
	 * @param ICacheEntry $sourceRootInfo
	 */
	public function __construct($storage, IStorage $sourceStorage, ICacheEntry $sourceRootInfo) {
		$this->storage = $storage;
		$this->sourceStorage = $sourceStorage;
		$this->sourceRootInfo = $sourceRootInfo;
		$this->sourceCache = $sourceStorage->getCache();
		parent::__construct(
			$this->sourceCache,
			$this->sourceRootInfo->getPath()
		);
	}

	public function getNumericStorageId() {
		if (isset($this->numericId)) {
			return $this->numericId;
class MyClass { }

$x = new MyClass();
$x->foo = true;
		} else {
			return false;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
		}
	}

	protected function formatCacheEntry($entry) {
		$path = $entry['path'];
		$entry = parent::formatCacheEntry($entry);
		$sharePermissions = $this->storage->getPermissions($path);
		if (isset($entry['permissions'])) {
			$entry['permissions'] &= $sharePermissions;
		} else {
			$entry['permissions'] = $sharePermissions;
		}
		$entry['uid_owner'] = $this->storage->getOwner($path);
		$entry['displayname_owner'] = \OC_User::getDisplayName($entry['uid_owner']);
		if ($path === '') {
			$entry['is_share_mount_point'] = true;
		}
		return $entry;
	}

	/**
	 * remove all entries for files that are stored on the storage from the cache
	 */
	public function clear() {
		// Not a valid action for Shared Cache
	}
}


1			<?php
2			/**
3			* @author Christopher Schäpers <[email protected]>
4			* @author Jörn Friedrich Dreyer <[email protected]>
5			* @author Michael Gapczynski <[email protected]>
6			* @author Morris Jobke <[email protected]>
7			* @author Robin Appelman <[email protected]>
8			*
9			* @copyright Copyright (c) 2016, ownCloud, Inc.
10			* @license AGPL-3.0
11			*
12			* This code is free software: you can redistribute it and/or modify
13			* it under the terms of the GNU Affero General Public License, version 3,
14			* as published by the Free Software Foundation.
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, version 3,
22			* along with this program. If not, see <http://www.gnu.org/licenses/>
23			*
24			*/
25
26			namespace OCA\Files_Sharing;
27
28			use OC\Files\Cache\Wrapper\CacheJail;
29			use OCP\Files\Cache\ICacheEntry;
30			use OCP\Files\Storage\IStorage;
31
32			/**
33			* Metadata cache for shared files
34			*
35			* don't use this class directly if you need to get metadata, use \OC\Files\Filesystem::getFileInfo instead
36			*/
37			class Cache extends CacheJail {
38			/**
39			* @var \OC\Files\Storage\Shared
40			*/
41			private $storage;
42
43			/**
44			* @var IStorage
45			*/
46			private $sourceStorage;
47
48			/**
49			* @var ICacheEntry
50			*/
51			private $sourceRootInfo;
52
53			/**
54			* @var \OCP\Files\Cache\ICache
55			*/
56			private $sourceCache;
57
58			/**
59			* @param \OC\Files\Storage\Shared $storage
60			* @param IStorage $sourceStorage
61			* @param ICacheEntry $sourceRootInfo
62			*/
63			public function __construct($storage, IStorage $sourceStorage, ICacheEntry $sourceRootInfo) {
64			$this->storage = $storage;
65			$this->sourceStorage = $sourceStorage;
66			$this->sourceRootInfo = $sourceRootInfo;
67			$this->sourceCache = $sourceStorage->getCache();
68			parent::__construct(
69			$this->sourceCache,
70			$this->sourceRootInfo->getPath()
71			);
72			}
73
74			public function getNumericStorageId() {
75			if (isset($this->numericId)) {
76			return $this->numericId;
			0 ignored issues – show Bug introduced 2015-11-21 07:38 UTC by Report Bug Copy Issue Report The property `numericId` does not exist. Did you maybe forget to declare it? In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code: class MyClass { } $x = new MyClass(); $x->foo = true; Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: class MyClass { public $foo; } $x = new MyClass(); $x->foo = true; Loading history...
77			} else {
78			return false;
			0 ignored issues – show Bug Best Practice introduced 2016-01-16 08:10 UTC by Report Bug Copy Issue Report The return type of `return false;` (`false`) is incompatible with the return type declared by the interface `OCP\Files\Cache\ICache::getNumericStorageId` of type `integer`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
79			}
80			}
81
82			protected function formatCacheEntry($entry) {
83			$path = $entry['path'];
84			$entry = parent::formatCacheEntry($entry);
85			$sharePermissions = $this->storage->getPermissions($path);
86			if (isset($entry['permissions'])) {
87			$entry['permissions'] &= $sharePermissions;
88			} else {
89			$entry['permissions'] = $sharePermissions;
90			}
91			$entry['uid_owner'] = $this->storage->getOwner($path);
92			$entry['displayname_owner'] = \OC_User::getDisplayName($entry['uid_owner']);
93			if ($path === '') {
94			$entry['is_share_mount_point'] = true;
95			}
96			return $entry;
97			}
98
99			/**
100			* remove all entries for files that are stored on the storage from the cache
101			*/
102			public function clear() {
103			// Not a valid action for Shared Cache
104			}
105			}
106

owncloud / core

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Cache::clear() A

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