BrowscapCache::getVersion() - Code Metrics - Inspection of "Merge pull request #218 from mimmi20/replace-cache" - browscap/browscap-php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 7014bb...a38bcf )

by James

created 2017-08-30 13:16 UTC

BrowscapCache::getVersion() B

↳ Parent: BrowscapCache

Complexity

Conditions	5
Paths	5

Size

Total Lines	19
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	5.675

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	19
ccs	7
cts	10
cp	0.7
rs	8.8571
cc	5
eloc	11
nc	5
nop	0
crap	5.675

<?php
declare(strict_types = 1);

namespace BrowscapPHP\Cache;

use Psr\Log\LoggerInterface;
use Psr\SimpleCache\CacheInterface;
use Psr\SimpleCache\InvalidArgumentException;

/**
 * A cache proxy to be able to use the cache adapters provided by the WurflCache package
 */
final class BrowscapCache implements BrowscapCacheInterface
{
    /**
     * Path to the cache directory
     *
     * @var \Psr\SimpleCache\CacheInterface
     */
    private $cache = null;

    /**
     * @var \Psr\Log\LoggerInterface|null
     */
    private $logger;

    /**
     * Detected browscap version (read from INI file)
     *
     * @var int
     */
    private $version = null;

    /**
     * Release date of the Browscap data (read from INI file)
     *
     * @var string
     */
    private $releaseDate;

    /**
     * Type of the Browscap data (read from INI file)
     *
     * @var string
     */
    private $type;

    /**
     * Constructor class, checks for the existence of (and loads) the cache and
     * if needed updated the definitions
     *
     * @param \Psr\SimpleCache\CacheInterface $adapter
     * @param LoggerInterface $logger
     */
    public function __construct(CacheInterface $adapter, LoggerInterface $logger)
    {
        $this->cache = $adapter;
        $this->logger = $logger;
    }

    /**
     * Gets the version of the Browscap data
     *
     * @return int
     */
    public function getVersion() : ?int
    {
        if ($this->version === null) {
            $success = null;

            try {
                $version = $this->getItem('browscap.version', false, $success);
            } catch (InvalidArgumentException $e) {
                $this->logger->error(new \InvalidArgumentException('an error occured while reading the data version from the cache', 0, $e));
                $version = null;
            }

            if ($version !== null && $success) {
                $this->version = (int) $version;
            }
        }

        return $this->version;
    }

    /**
     * Gets the release date of the Browscap data
     *
     * @return string|null
     */
    public function getReleaseDate() : ?string
    {
        if ($this->releaseDate === null) {
            $success = null;

            try {
                $releaseDate = $this->getItem('browscap.releaseDate', false, $success);
            } catch (InvalidArgumentException $e) {
                $this->logger->error(new \InvalidArgumentException('an error occured while reading the data release date from the cache', 0, $e));
                $releaseDate = null;
            }

            if ($releaseDate !== null && $success) {
                $this->releaseDate = $releaseDate;
            }
        }

        return $this->releaseDate;
    }

    /**
     * Gets the type of the Browscap data
     */
    public function getType() : ?string
    {
        if ($this->type === null) {
            $success = null;

            try {
                $type = $this->getItem('browscap.type', false, $success);
            } catch (InvalidArgumentException $e) {
                $this->logger->error(new \InvalidArgumentException('an error occured while reading the data type from the cache', 0, $e));
                $type = null;
            }

            if ($type !== null && $success) {
                $this->type = $type;
            }
        }

        return $this->type;
    }

    /**
     * Get an item.
     *
     * @param string $cacheId
     * @param bool   $withVersion
     * @param bool   &$success
     *
     * @return mixed Data on success, null on failure
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function getItem(string $cacheId, bool $withVersion = true, ?bool &$success = null)
    {
        if ($withVersion) {
            $cacheId .= '.' . $this->getVersion();
        }

        if (! $this->cache->has($cacheId)) {
            $success = false;

            return null;
        }

        $data = $this->cache->get($cacheId);

        if (! is_array($data) || ! array_key_exists('content', $data)) {
            $success = false;

            return null;
        }

        $success = true;

        return unserialize($data['content']);
    }

    /**
     * save the content into an php file
     *
     * @param string $cacheId     The cache id
     * @param mixed  $content     The content to store
     * @param bool   $withVersion
     *
     * @return bool whether the file was correctly written to the disk
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function setItem(string $cacheId, $content, bool $withVersion = true) : bool
    {
        // Get the whole PHP code
        $data = [
            'content' => serialize($content),
        ];

        if ($withVersion) {
            $cacheId .= '.' . $this->getVersion();
        }

        // Save and return
        return $this->cache->set($cacheId, $data);
    }

    /**
     * Test if an item exists.
     *
     * @param string $cacheId
     * @param bool   $withVersion
     *
     * @return bool
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function hasItem(string $cacheId, bool $withVersion = true) : bool
    {
        if ($withVersion) {
            $cacheId .= '.' . $this->getVersion();
        }


        return $this->cache->has($cacheId);
    }

    /**
     * Remove an item.
     *
     * @param string $cacheId
     * @param bool   $withVersion
     *
     * @return bool
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function removeItem(string $cacheId, bool $withVersion = true) : bool
    {
        if ($withVersion) {
            $cacheId .= '.' . $this->getVersion();
        }

        return $this->cache->delete($cacheId);
    }

    /**
     * Flush the whole storage
     *
     * @return bool
     */
    public function flush() : bool
    {
        return $this->cache->clear();
    }
}


1		<?php
2		declare(strict_types = 1);
3
4		namespace BrowscapPHP\Cache;
5
6		use Psr\Log\LoggerInterface;
7		use Psr\SimpleCache\CacheInterface;
8		use Psr\SimpleCache\InvalidArgumentException;
9
10		/**
11		* A cache proxy to be able to use the cache adapters provided by the WurflCache package
12		*/
13		final class BrowscapCache implements BrowscapCacheInterface
14		{
15		/**
16		* Path to the cache directory
17		*
18		* @var \Psr\SimpleCache\CacheInterface
19		*/
20		private $cache = null;
21
22		/**
23		* @var \Psr\Log\LoggerInterface\|null
24		*/
25		private $logger;
26
27		/**
28		* Detected browscap version (read from INI file)
29		*
30		* @var int
31		*/
32		private $version = null;
33
34		/**
35		* Release date of the Browscap data (read from INI file)
36		*
37		* @var string
38		*/
39		private $releaseDate;
40
41		/**
42		* Type of the Browscap data (read from INI file)
43		*
44		* @var string
45		*/
46		private $type;
47
48		/**
49		* Constructor class, checks for the existence of (and loads) the cache and
50		* if needed updated the definitions
51		*
52		* @param \Psr\SimpleCache\CacheInterface $adapter
53		* @param LoggerInterface $logger
54		*/
55	4	public function __construct(CacheInterface $adapter, LoggerInterface $logger)
56		{
57	4	$this->cache = $adapter;
58	4	$this->logger = $logger;
59	4	}
60
61		/**
62		* Gets the version of the Browscap data
63		*
64		* @return int
65		*/
66	2	public function getVersion() : ?int
67		{
68	2	if ($this->version === null) {
69	2	$success = null;
70
71		try {
72	2	$version = $this->getItem('browscap.version', false, $success);
73		} catch (InvalidArgumentException $e) {
74		$this->logger->error(new \InvalidArgumentException('an error occured while reading the data version from the cache', 0, $e));
75		$version = null;
76		}
77
78	2	if ($version !== null && $success) {
79	1	$this->version = (int) $version;
80		}
81		}
82
83	2	return $this->version;
84		}
85
86		/**
87		* Gets the release date of the Browscap data
88		*
89		* @return string\|null
90		*/
91	1	public function getReleaseDate() : ?string
92		{
93	1	if ($this->releaseDate === null) {
94	1	$success = null;
95
96		try {
97	1	$releaseDate = $this->getItem('browscap.releaseDate', false, $success);
98		} catch (InvalidArgumentException $e) {
99		$this->logger->error(new \InvalidArgumentException('an error occured while reading the data release date from the cache', 0, $e));
100		$releaseDate = null;
101		}
102
103	1	if ($releaseDate !== null && $success) {
104	1	$this->releaseDate = $releaseDate;
105		}
106		}
107
108	1	return $this->releaseDate;
109		}
110
111		/**
112		* Gets the type of the Browscap data
113		*/
114	1	public function getType() : ?string
115		{
116	1	if ($this->type === null) {
117	1	$success = null;
118
119		try {
120	1	$type = $this->getItem('browscap.type', false, $success);
121		} catch (InvalidArgumentException $e) {
122		$this->logger->error(new \InvalidArgumentException('an error occured while reading the data type from the cache', 0, $e));
123		$type = null;
124		}
125
126	1	if ($type !== null && $success) {
127	1	$this->type = $type;
128		}
129		}
130
131	1	return $this->type;
132		}
133
134		/**
135		* Get an item.
136		*
137		* @param string $cacheId
138		* @param bool $withVersion
139		* @param bool &$success
140		*
141		* @return mixed Data on success, null on failure
142		* @throws \Psr\SimpleCache\InvalidArgumentException
143		*/
144	3	public function getItem(string $cacheId, bool $withVersion = true, ?bool &$success = null)
145		{
146	3	if ($withVersion) {
147		$cacheId .= '.' . $this->getVersion();
148		}
149
150	3	if (! $this->cache->has($cacheId)) {
151	3	$success = false;
152
153	3	return null;
154		}
155
156	3	$data = $this->cache->get($cacheId);
157
158	3	if (! is_array($data) \|\| ! array_key_exists('content', $data)) {
159		$success = false;
160
161		return null;
162		}
163
164	3	$success = true;
165
166	3	return unserialize($data['content']);
167		}
168
169		/**
170		* save the content into an php file
171		*
172		* @param string $cacheId The cache id
173		* @param mixed $content The content to store
174		* @param bool $withVersion
175		*
176		* @return bool whether the file was correctly written to the disk
177		* @throws \Psr\SimpleCache\InvalidArgumentException
178		*/
179	3	public function setItem(string $cacheId, $content, bool $withVersion = true) : bool
180		{
181		// Get the whole PHP code
182		$data = [
183	3	'content' => serialize($content),
184		];
185
186	3	if ($withVersion) {
187		$cacheId .= '.' . $this->getVersion();
188		}
189
190		// Save and return
191	3	return $this->cache->set($cacheId, $data);
192		}
193
194		/**
195		* Test if an item exists.
196		*
197		* @param string $cacheId
198		* @param bool $withVersion
199		*
200		* @return bool
201		* @throws \Psr\SimpleCache\InvalidArgumentException
202		*/
203		public function hasItem(string $cacheId, bool $withVersion = true) : bool
204		{
205		if ($withVersion) {
206		$cacheId .= '.' . $this->getVersion();
207		}
208
209
210		return $this->cache->has($cacheId);
211		}
212
213		/**
214		* Remove an item.
215		*
216		* @param string $cacheId
217		* @param bool $withVersion
218		*
219		* @return bool
220		* @throws \Psr\SimpleCache\InvalidArgumentException
221		*/
222		public function removeItem(string $cacheId, bool $withVersion = true) : bool
223		{
224		if ($withVersion) {
225		$cacheId .= '.' . $this->getVersion();
226		}
227
228		return $this->cache->delete($cacheId);
229		}
230
231		/**
232		* Flush the whole storage
233		*
234		* @return bool
235		*/
236		public function flush() : bool
237		{
238		return $this->cache->clear();
239		}
240		}
241

browscap / browscap-php

Push — master ( 7014bb...a38bcf )

BrowscapCache::getVersion() B

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