File::clear() - Code Metrics - bluetree-service/cache - Measure and Improve Code Quality continuously with Scrutinizer

File::clear() A
last analyzed 2018-04-20 10:49 UTC

↳ Parent: File

Complexity

Conditions	3
Paths	3

Size

Total Lines	15
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	10
nc	3
nop	1
dl	0
loc	15
ccs	10
cts	10
cp	1
crap	3
rs	9.4285
c	0
b	0
f	0

<?php

namespace BlueCache\Storage;

use Psr\Cache\CacheItemInterface;
use BlueCache\CacheException;

class File implements StorageInterface
{
    const CACHE_EXTENSION = '.cache';

    /**
     * @var array
     */
    protected $params = [
        'cache_path' => './var/cache',
    ];

    /**
     * @var array
     */
    protected $currentCache = [];

    /**
     * @param array $params
     */
    public function __construct(array $params = [])
    {
        $this->params = array_merge($this->params, $params);
    }

    /**
     * @param CacheItemInterface $item
     * @return bool
     * @throws \BlueCache\CacheException
     */
    public function store(CacheItemInterface $item)
    {
        $data = serialize($item);
        $key = $item->getKey();

        $cacheFile = $this->getFilePath($key);
        $dir = $this->params['cache_path'];

        if (!file_exists($dir) && !is_dir($dir)) {
            throw new CacheException('Unable to create cache directory: ' . $this->params['cache_path']);
        }

        if (!@file_put_contents($cacheFile, $data)) {
            throw new CacheException('Unable to save log file: ' . $cacheFile);
        }

        return true;
    }

    /**
     * @param array|string $names
     * @return array|null|CacheItemInterface
     */
    public function restore($names)
    {
        if (\is_array($names)) {
            return $this->processNames($names);
        }

        return $this->getItem($names);
    }

    /**
     * @param array $names
     * @return array
     */
    protected function processNames(array $names)
    {
        $list = [];

        foreach ($names as $name) {
            $list[$name] = $this->getItem($name);
        }

        return $list;
    }

    /**
     * @param string|null $names
     * @return bool
     * @throws \BlueCache\CacheException
     */
    public function clear($names = null)
    {
        switch (true) {
            case \is_null($names):
                $cacheDir = $this->params['cache_path'] . DIRECTORY_SEPARATOR;
                $this->currentCache = [];

                return $this->clearMany(glob($cacheDir . '*.cache'), false);

            case \is_string($names):
                return $this->delete($names);

            default:
                throw new CacheException('Invalid type: ' . $names);
                break;
        }
    }

    /**
     * @param string $key
     * @return bool
     */
    public function exists($key)
    {
        /** @var CacheItemInterface|null $item */
        $item = $this->getCacheItem($key);

        if (\is_null($item)) {
            return false;
        }

        return $item->isHit();
    }

    /**
     * @param string $key
     * @return CacheItemInterface|null
     */
    protected function getItem($key)
    {
        if ($this->exists($key)) {
            return $this->currentCache[$key];
        }

        return null;
    }

    /**
     * @param string $key
     * @return CacheItemInterface|null
     */
    protected function getCacheItem($key)
    {
        if (!isset($this->currentCache[$key])) {
            if (file_exists($this->getFilePath($key))) {
                return $this->getUnserializedCacheItem($key);
            }

            return null;
        }

        return $this->currentCache[$key];
    }

    /**
     * @param string $key
     * @return null|CacheItemInterface
     */
    protected function getUnserializedCacheItem($key)
    {
        /** @var CacheItemInterface $item */
        $item = unserialize($this->getCacheContent($key));

        if (!$item->isHit()) {
            $this->delete($key);
            return null;
        }

        $this->currentCache[$key] = $item;
        return $item;
    }

    /**
     * @param string $key
     * @return bool|string
     */
    protected function getCacheContent($key)
    {
        return file_get_contents($this->getFilePath($key));
    }

    /**
     * @param array $list
     * @param bool $isKey
     * @return bool
     */
    public function clearMany(array $list, $isKey = true)
    {
        $flag = true;

        foreach ($list as $name) {
            $deleted = $this->delete($name, $isKey);

            if (!$deleted) {
                $flag = false;
            }
        }

        return $flag;
    }

    /**
     * @param string $key
     * @param bool $isKey
     * @return bool
     */
    protected function delete($key, $isKey = true)
    {
        if ($isKey) {
            unset($this->currentCache[$key]);
            $key = $this->getFilePath($key);
        }

        return @unlink($key);
    }

    /**
     * @param string $key
     * @return string
     */
    protected function getFilePath($key)
    {
        return $this->params['cache_path'] . DIRECTORY_SEPARATOR . $key . self::CACHE_EXTENSION;
    }
}


1		<?php
2
3		namespace BlueCache\Storage;
4
5		use Psr\Cache\CacheItemInterface;
6		use BlueCache\CacheException;
7
8		class File implements StorageInterface
9		{
10		const CACHE_EXTENSION = '.cache';
11
12		/**
13		* @var array
14		*/
15		protected $params = [
16		'cache_path' => './var/cache',
17		];
18
19		/**
20		* @var array
21		*/
22		protected $currentCache = [];
23
24		/**
25		* @param array $params
26		*/
27	39	public function __construct(array $params = [])
28		{
29	39	$this->params = array_merge($this->params, $params);
30	39	}
31
32		/**
33		* @param CacheItemInterface $item
34		* @return bool
35		* @throws \BlueCache\CacheException
36		*/
37	30	public function store(CacheItemInterface $item)
38		{
39	30	$data = serialize($item);
40	30	$key = $item->getKey();
41
42	30	$cacheFile = $this->getFilePath($key);
43	30	$dir = $this->params['cache_path'];
44
45	30	if (!file_exists($dir) && !is_dir($dir)) {
46	1	throw new CacheException('Unable to create cache directory: ' . $this->params['cache_path']);
47		}
48
49	29	if (!@file_put_contents($cacheFile, $data)) {
50	3	throw new CacheException('Unable to save log file: ' . $cacheFile);
51		}
52
53	27	return true;
54		}
55
56		/**
57		* @param array\|string $names
58		* @return array\|null\|CacheItemInterface
59		*/
60	11	public function restore($names)
61		{
62	11	if (\is_array($names)) {
63	5	return $this->processNames($names);
64		}
65
66	6	return $this->getItem($names);
67		}
68
69		/**
70		* @param array $names
71		* @return array
72		*/
73	5	protected function processNames(array $names)
74		{
75	5	$list = [];
76
77	5	foreach ($names as $name) {
78	5	$list[$name] = $this->getItem($name);
79	5	}
80
81	5	return $list;
82		}
83
84		/**
85		* @param string\|null $names
86		* @return bool
87		* @throws \BlueCache\CacheException
88		*/
89	6	public function clear($names = null)
90		{
91	6	switch (true) {
92	6	case \is_null($names):
93	3	$cacheDir = $this->params['cache_path'] . DIRECTORY_SEPARATOR;
94	3	$this->currentCache = [];
95
96	3	return $this->clearMany(glob($cacheDir . '*.cache'), false);
97
98	4	case \is_string($names):
99	3	return $this->delete($names);
100
101	1	default:
102	1	throw new CacheException('Invalid type: ' . $names);
103		break;
104	1	}
105		}
106
107		/**
108		* @param string $key
109		* @return bool
110		*/
111	27	public function exists($key)
112		{
113		/** @var CacheItemInterface\|null $item */
114	27	$item = $this->getCacheItem($key);
115
116	27	if (\is_null($item)) {
117	21	return false;
118		}
119
120	23	return $item->isHit();
121		}
122
123		/**
124		* @param string $key
125		* @return CacheItemInterface\|null
126		*/
127	11	protected function getItem($key)
128		{
129	11	if ($this->exists($key)) {
130	9	return $this->currentCache[$key];
131		}
132
133	2	return null;
134		}
135
136		/**
137		* @param string $key
138		* @return CacheItemInterface\|null
139		*/
140	27	protected function getCacheItem($key)
141		{
142	27	if (!isset($this->currentCache[$key])) {
143	27	if (file_exists($this->getFilePath($key))) {
144	24	return $this->getUnserializedCacheItem($key);
145		}
146
147	20	return null;
148		}
149
150	6	return $this->currentCache[$key];
151		}
152
153		/**
154		* @param string $key
155		* @return null\|CacheItemInterface
156		*/
157	24	protected function getUnserializedCacheItem($key)
158		{
159		/** @var CacheItemInterface $item */
160	24	$item = unserialize($this->getCacheContent($key));
161
162	24	if (!$item->isHit()) {
163	1	$this->delete($key);
164	1	return null;
165		}
166
167	23	$this->currentCache[$key] = $item;
168	23	return $item;
169		}
170
171		/**
172		* @param string $key
173		* @return bool\|string
174		*/
175	24	protected function getCacheContent($key)
176		{
177	24	return file_get_contents($this->getFilePath($key));
178		}
179
180		/**
181		* @param array $list
182		* @param bool $isKey
183		* @return bool
184		*/
185	7	public function clearMany(array $list, $isKey = true)
186		{
187	7	$flag = true;
188
189	7	foreach ($list as $name) {
190	7	$deleted = $this->delete($name, $isKey);
191
192	7	if (!$deleted) {
193	1	$flag = false;
194	1	}
195	7	}
196
197	7	return $flag;
198		}
199
200		/**
201		* @param string $key
202		* @param bool $isKey
203		* @return bool
204		*/
205	9	protected function delete($key, $isKey = true)
206		{
207	9	if ($isKey) {
208	7	unset($this->currentCache[$key]);
209	7	$key = $this->getFilePath($key);
210	7	}
211
212	9	return @unlink($key);
213		}
214
215		/**
216		* @param string $key
217		* @return string
218		*/
219	31	protected function getFilePath($key)
220		{
221	31	return $this->params['cache_path'] . DIRECTORY_SEPARATOR . $key . self::CACHE_EXTENSION;
222		}
223		}
224

bluetree-service / cache

File::clear() A last analyzed 2018-04-20 10:49 UTC

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File::clear() A
last analyzed 2018-04-20 10:49 UTC