PhpCache::clearPath() - Code Metrics - Inspection of "* travis" - Maslosoft/Addendum - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 93c108...b5b8be )

by Peter

created 2016-08-04 16:09 UTC

PhpCache::clearPath() B

↳ Parent: PhpCache

Complexity

Conditions	5
Paths	6

Size

Total Lines	13
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	5.0729

Importance

Changes	3
Bugs	1	Features	0

Metric	Value
c	3
b	1
f	0
dl	0
loc	13
rs	8.8571
ccs	6
cts	7
cp	0.8571
cc	5
eloc	7
nc	6
nop	1
crap	5.0729

<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

namespace Maslosoft\Addendum\Cache;

use FilesystemIterator;
use Maslosoft\Addendum\Addendum;
use Maslosoft\Addendum\Helpers\SoftIncluder;
use Maslosoft\Addendum\Interfaces\AnnotatedInterface;
use Maslosoft\Addendum\Options\MetaOptions;
use Maslosoft\Cli\Shared\ConfigDetector;
use Maslosoft\Cli\Shared\Helpers\PhpExporter;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use ReflectionClass;
use RuntimeException;
use UnexpectedValueException;

/**
 * PhpCache
 *
 * @author Piotr Maselkowski <pmaselkowski at gmail.com>
 */
abstract class PhpCache
{

	private $metaClass = null;
	private $component = null;

	/**
	 * Options
	 * @var string
	 */
	private $instanceId = null;

	/**
	 * Addendum runtime path
	 * @var string
	 */
	private $path = '';

	/**
	 *
	 * @var NsCache
	 */
	private $nsCache = null;

	/**
	 *
	 * @var Addendum
	 */
	private $addendum = null;

	/**
	 * Runtime path
	 * @var string
	 */
	private static $runtimePath = null;

	/**
	 * Local cacheq
	 * @var type
	 */
	private static $cache = [];

	/**
	 * Hash map of prepared directories
	 * Key is directory, value is flag indicating if it's prepared.
	 * @var bool[]
	 */
	private static $prepared = [];
	private $fileName = null;

	/**
	 *
	 * @param string $metaClass
	 * @param AnnotatedInterface|string $component
	 * @param MetaOptions|Addendum $options
	 */
	public function __construct($metaClass = null, $component = null, $options = null)
	{
		if (null === self::$runtimePath)
		{
			self::$runtimePath = (new ConfigDetector)->getRuntimePath();
		}
		$this->path = self::$runtimePath . '/addendum';
		$this->metaClass = $metaClass;
		$this->component = $component;
		if (empty($options))
		{
			$this->instanceId = Addendum::DefaultInstanceId;
		}
		elseif ($options instanceof Addendum)
		{
			$this->instanceId = $options->getInstanceId();
		}
		elseif ($options instanceof MetaOptions)
		{
			$this->instanceId = $options->instanceId;
		}
		else
		{
			throw new UnexpectedValueException('Unknown options');
		}
		$this->prepare();
		$this->addendum = Addendum::fly($this->instanceId);
		$this->nsCache = new NsCache(dirname($this->getFilename()), $this->addendum);
	}

	/**
	 * Set working component
	 * @param AnnotatedInterface|string $component
	 */
	public function setComponent($component = null)
	{
		// Reset filename as it depends on component
		$this->fileName = null;
		$this->component = $component;
	}

	public function setOptions(MetaOptions $options = null)
	{
		$this->fileName = null;
		$this->nsCache->setOptions($options);
	}

	private function prepare()
	{
		$fileDir = dirname($this->getFilename());
		if (isset(self::$prepared[$fileDir]) && self::$prepared[$fileDir])
		{
			return true;
		}
		if (!file_exists($this->path))
		{
			if (!file_exists(self::$runtimePath))
			{

				if (is_writable(dirname(self::$runtimePath)))
				{
					$this->mkdir(self::$runtimePath);
				}
				if (!is_writable(self::$runtimePath))
				{
					throw new RuntimeException(sprintf("Runtime path `%s` must exists and be writable", self::$runtimePath));
				}
			}
			if (is_writable(self::$runtimePath))
			{
				$this->mkdir($this->path);
			}
			if (!is_writable($this->path))
			{
				throw new RuntimeException(sprintf("Addendum runtime path `%s` must exists and be writable", $this->path));
			}
		}
		if (!file_exists($fileDir))
		{
			$this->mkdir($fileDir);
		}
		self::$prepared[$fileDir] = true;
	}

	public function get()
	{
		$this->prepare();
		$fileName = $this->getFilename();

		if (!$this->nsCache->valid())
		{
			$this->clearCurrentPath();
			return false;
		}
		$key = $this->getCacheKey();
		if (isset(self::$cache[$key]))
		{
			return self::$cache[$key];
		}

		$data = SoftIncluder::includeFile($fileName);

		// Only false means not existing cache.
		// NOTE: Cache might have valid `empty` value, ie. empty array.
		if (false === $data)
		{
			return false;
		}

		// Purge file cache if checkMTime is enabled and file obsolete
		if ($this->addendum->checkMTime && file_exists($fileName))
		{
			$cacheTime = filemtime($fileName);

			// Partial component name, split by @ and take first argument
			if (is_string($this->component) && strstr($this->component, '@'))
			{
				$parts = explode('@', $this->component);
				$componentClass = array_shift($parts);
			}
			else
			{
				$componentClass = $this->component;
			}
			$componentTime = filemtime((new ReflectionClass($componentClass))->getFileName());
			if ($componentTime > $cacheTime)
			{
				$this->remove();
				return false;
			}
		}
		self::$cache[$key] = $data;
		return $data;
	}

	public function set($data)
	{
		$fileName = $this->getFilename();
		$this->prepare();
		$key = $this->getCacheKey();
		self::$cache[$key] = $data;

		file_put_contents($fileName, PhpExporter::export($data));
		@chmod($fileName, 0666);
		$this->nsCache->set();
		return $data;
	}

	public function remove()
	{
		$fileName = $this->getFilename();
		$key = $this->getCacheKey();
		unset(self::$cache[$key]);
		if (file_exists($fileName))
		{
			return unlink($fileName);
		}
		return false;
	}

	/**
	 * Clear entire cache
	 * @return boolean
	 */
	public function clear()
	{
		self::$prepared = [];
		return $this->clearPath($this->path);
	}

	private function clearCurrentPath()
	{
		$path = dirname($this->getFilename());
		return $this->clearPath($path);
	}

	private function clearPath($path)
	{
		if (!file_exists($path))
		{
			return false;
		}
		foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS), RecursiveIteratorIterator::CHILD_FIRST) as $dir)
		{
			$dir->isDir() && !$dir->isLink() ? rmdir($dir->getPathname()) : unlink($dir->getPathname());
		}
		self::$prepared[$path] = false;
		return rmdir($path);
	}

	private function getFilename()
	{
		if (!empty($this->fileName))
		{
			return $this->fileName;
		}
		if (is_object($this->component))
		{
			$className = get_class($this->component);
		}
		else
		{
			$className = $this->component;
		}
		$this->fileName = sprintf('%s/%s@%s/%s.php', $this->path, $this->classToFile($this->metaClass), $this->instanceId, str_replace('\\', '/', $this->classToFile($className)));
		return $this->fileName;
	}

	private function getCacheKey()
	{
		if (is_object($this->component))
		{
			$className = get_class($this->component);
		}
		else
		{
			$className = $this->component;
		}
		return sprintf('%s@%s@%s@%s.php', $this->classToFile(static::class), $this->classToFile($this->metaClass), $this->instanceId, str_replace('\\', '/', $this->classToFile($className)));
	}

	/**
	 * Convert slash separated class name to dot separated name.
	 * @param string $className
	 * @return string
	 */
	private function classToFile($className)
	{
		return str_replace('\\', '.', $className);
	}

	/**
	 * Recursively create dir with proper permissions.
	 *
	 * @param string $path
	 */
	private function mkdir($path)
	{
		$mask = umask(0000);
		mkdir($path, 0777, true);
		umask($mask);
	}

}


1		<?php
2
3		/*
4		* To change this license header, choose License Headers in Project Properties.
5		* To change this template file, choose Tools \| Templates
6		* and open the template in the editor.
7		*/
8
9		namespace Maslosoft\Addendum\Cache;
10
11		use FilesystemIterator;
12		use Maslosoft\Addendum\Addendum;
13		use Maslosoft\Addendum\Helpers\SoftIncluder;
14		use Maslosoft\Addendum\Interfaces\AnnotatedInterface;
15		use Maslosoft\Addendum\Options\MetaOptions;
16		use Maslosoft\Cli\Shared\ConfigDetector;
17		use Maslosoft\Cli\Shared\Helpers\PhpExporter;
18		use RecursiveDirectoryIterator;
19		use RecursiveIteratorIterator;
20		use ReflectionClass;
21		use RuntimeException;
22		use UnexpectedValueException;
23
24		/**
25		* PhpCache
26		*
27		* @author Piotr Maselkowski <pmaselkowski at gmail.com>
28		*/
29		abstract class PhpCache
30		{
31
32		private $metaClass = null;
33		private $component = null;
34
35		/**
36		* Options
37		* @var string
38		*/
39		private $instanceId = null;
40
41		/**
42		* Addendum runtime path
43		* @var string
44		*/
45		private $path = '';
46
47		/**
48		*
49		* @var NsCache
50		*/
51		private $nsCache = null;
52
53		/**
54		*
55		* @var Addendum
56		*/
57		private $addendum = null;
58
59		/**
60		* Runtime path
61		* @var string
62		*/
63		private static $runtimePath = null;
64
65		/**
66		* Local cacheq
67		* @var type
68		*/
69		private static $cache = [];
70
71		/**
72		* Hash map of prepared directories
73		* Key is directory, value is flag indicating if it's prepared.
74		* @var bool[]
75		*/
76		private static $prepared = [];
77		private $fileName = null;
78
79		/**
80		*
81		* @param string $metaClass
82		* @param AnnotatedInterface\|string $component
83		* @param MetaOptions\|Addendum $options
84		*/
85	48	public function __construct($metaClass = null, $component = null, $options = null)
86		{
87	48	if (null === self::$runtimePath)
88		{
89	1	self::$runtimePath = (new ConfigDetector)->getRuntimePath();
90		}
91	48	$this->path = self::$runtimePath . '/addendum';
92	48	$this->metaClass = $metaClass;
93	48	$this->component = $component;
94	48	if (empty($options))
95		{
96	3	$this->instanceId = Addendum::DefaultInstanceId;
97		}
98		elseif ($options instanceof Addendum)
99		{
100	46	$this->instanceId = $options->getInstanceId();
101		}
102		elseif ($options instanceof MetaOptions)
103		{
104		$this->instanceId = $options->instanceId;
105		}
106		else
107		{
108		throw new UnexpectedValueException('Unknown options');
109		}
110	48	$this->prepare();
111	48	$this->addendum = Addendum::fly($this->instanceId);
112	48	$this->nsCache = new NsCache(dirname($this->getFilename()), $this->addendum);
113	48	}
114
115		/**
116		* Set working component
117		* @param AnnotatedInterface\|string $component
118		*/
119	50	public function setComponent($component = null)
120		{
121		// Reset filename as it depends on component
122	50	$this->fileName = null;
123	50	$this->component = $component;
124	50	}
125
126	32	public function setOptions(MetaOptions $options = null)
127		{
128	32	$this->fileName = null;
129	32	$this->nsCache->setOptions($options);
130	32	}
131
132	52	private function prepare()
133		{
134	52	$fileDir = dirname($this->getFilename());
135	52	if (isset(self::$prepared[$fileDir]) && self::$prepared[$fileDir])
136		{
137	50	return true;
138		}
139	7	if (!file_exists($this->path))
140		{
141	4	if (!file_exists(self::$runtimePath))
142		{
143
144	1	if (is_writable(dirname(self::$runtimePath)))
145		{
146	1	$this->mkdir(self::$runtimePath);
147		}
148	1	if (!is_writable(self::$runtimePath))
149		{
150		throw new RuntimeException(sprintf("Runtime path `%s` must exists and be writable", self::$runtimePath));
151		}
152		}
153	4	if (is_writable(self::$runtimePath))
154		{
155	4	$this->mkdir($this->path);
156		}
157	4	if (!is_writable($this->path))
158		{
159		throw new RuntimeException(sprintf("Addendum runtime path `%s` must exists and be writable", $this->path));
160		}
161		}
162	7	if (!file_exists($fileDir))
163		{
164	7	$this->mkdir($fileDir);
165		}
166	7	self::$prepared[$fileDir] = true;
167	7	}
168
169	50	public function get()
170		{
171	50	$this->prepare();
172	50	$fileName = $this->getFilename();
173
174	50	if (!$this->nsCache->valid())
175		{
176	3	$this->clearCurrentPath();
177	3	return false;
178		}
179	50	$key = $this->getCacheKey();
180	50	if (isset(self::$cache[$key]))
181		{
182	50	return self::$cache[$key];
183		}
184
185	45	$data = SoftIncluder::includeFile($fileName);
186
187		// Only false means not existing cache.
188		// NOTE: Cache might have valid `empty` value, ie. empty array.
189	45	if (false === $data)
190		{
191	45	return false;
192		}
193
194		// Purge file cache if checkMTime is enabled and file obsolete
195		if ($this->addendum->checkMTime && file_exists($fileName))
196		{
197		$cacheTime = filemtime($fileName);
198
199		// Partial component name, split by @ and take first argument
200		if (is_string($this->component) && strstr($this->component, '@'))
201		{
202		$parts = explode('@', $this->component);
203		$componentClass = array_shift($parts);
204		}
205		else
206		{
207		$componentClass = $this->component;
208		}
209		$componentTime = filemtime((new ReflectionClass($componentClass))->getFileName());
210		if ($componentTime > $cacheTime)
211		{
212		$this->remove();
213		return false;
214		}
215		}
216		self::$cache[$key] = $data;
217		return $data;
218		}
219
220	45	public function set($data)
221		{
222	45	$fileName = $this->getFilename();
223	45	$this->prepare();
224	45	$key = $this->getCacheKey();
225	45	self::$cache[$key] = $data;
226
227	45	file_put_contents($fileName, PhpExporter::export($data));
228	45	@chmod($fileName, 0666);
229	45	$this->nsCache->set();
230	45	return $data;
231		}
232
233		public function remove()
234		{
235		$fileName = $this->getFilename();
236		$key = $this->getCacheKey();
237		unset(self::$cache[$key]);
238		if (file_exists($fileName))
239		{
240		return unlink($fileName);
241		}
242		return false;
243		}
244
245		/**
246		* Clear entire cache
247		* @return boolean
248		*/
249	3	public function clear()
250		{
251	3	self::$prepared = [];
252	3	return $this->clearPath($this->path);
253		}
254
255	3	private function clearCurrentPath()
256		{
257	3	$path = dirname($this->getFilename());
258	3	return $this->clearPath($path);
259		}
260
261	6	private function clearPath($path)
262		{
263	6	if (!file_exists($path))
264		{
265		return false;
266		}
267	6	foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS), RecursiveIteratorIterator::CHILD_FIRST) as $dir)
268		{
269	6	$dir->isDir() && !$dir->isLink() ? rmdir($dir->getPathname()) : unlink($dir->getPathname());
270		}
271	6	self::$prepared[$path] = false;
272	6	return rmdir($path);
273		}
274
275	52	private function getFilename()
276		{
277	52	if (!empty($this->fileName))
278		{
279	52	return $this->fileName;
280		}
281	52	if (is_object($this->component))
282		{
283	32	$className = get_class($this->component);
284		}
285		else
286		{
287	48	$className = $this->component;
288		}
289	52	$this->fileName = sprintf('%s/%s@%s/%s.php', $this->path, $this->classToFile($this->metaClass), $this->instanceId, str_replace('\\', '/', $this->classToFile($className)));
290	52	return $this->fileName;
291		}
292
293	50	private function getCacheKey()
294		{
295	50	if (is_object($this->component))
296		{
297	32	$className = get_class($this->component);
298		}
299		else
300		{
301	46	$className = $this->component;
302		}
303	50	return sprintf('%s@%s@%s@%s.php', $this->classToFile(static::class), $this->classToFile($this->metaClass), $this->instanceId, str_replace('\\', '/', $this->classToFile($className)));
304		}
305
306		/**
307		* Convert slash separated class name to dot separated name.
308		* @param string $className
309		* @return string
310		*/
311	52	private function classToFile($className)
312		{
313	52	return str_replace('\\', '.', $className);
314		}
315
316		/**
317		* Recursively create dir with proper permissions.
318		*
319		* @param string $path
320		*/
321	7	private function mkdir($path)
322		{
323	7	$mask = umask(0000);
324	7	mkdir($path, 0777, true);
325	7	umask($mask);
326	7	}
327
328		}
329

Maslosoft / Addendum

Push — master ( 93c108...b5b8be )

PhpCache::clearPath() B

Complexity

Size

Duplication

Code Coverage

Importance

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