SimpleCacheAdapter::clear() - Code Metrics - flipboxfactory/craft-psr16 - Measure and Improve Code Quality continuously with Scrutinizer

SimpleCacheAdapter::clear() A
last analyzed 2019-02-06 23:21 UTC

↳ Parent: SimpleCacheAdapter

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

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

<?php

/**
 * @copyright  Copyright (c) Flipbox Digital Limited
 * @license    https://github.com/flipbox/craft-psr16/blob/master/LICENSE
 * @link       https://github.com/flipbox/craft-psr16
 */

namespace flipbox\craft\psr16;

use Craft;
use DateInterval;
use DateTime;
use Psr\SimpleCache\CacheInterface;
use yii\base\Component;
use yii\base\InvalidArgumentException;
use yii\caching\CacheInterface as YiiCacheInterface;
use yii\di\Instance;
use yii\helpers\StringHelper;

/**
 * @author Flipbox Factory <[email protected]>
 * @since 1.0.0
 */
class SimpleCacheAdapter extends Component implements CacheInterface
{
    /**
     * @var YiiCacheInterface
     */
    public $cache;

    /**
     * @throws \yii\base\InvalidConfigException
     */
    public function init()
    {
        parent::init();

        if ($this->cache === null) {
            $this->cache = Craft::$app->getCache();
        }

        $this->cache = Instance::ensure(
            $this->cache instanceof \Closure ?
            call_user_func($this->cache) :
            $this->cache,
            YiiCacheInterface::class
        );
    }

    /**
     * @return YiiCacheInterface
     */
    protected function getCache(): YiiCacheInterface
    {
        return $this->cache;
    }

    /**
     * Cache::get() return false if the value is not in the cache or expired, but PSR-16 return $default(null)
     *
     * @param string $key
     * @param null $default
     * @return bool|mixed|null
     * @throws InvalidArgumentException
     */
    public function get($key, $default = null)
    {
        $key = $this->buildKey($key);

        $data = $this->getCache()->get($key);

        if ($data === false) {
            return $default;
        }

        if ($data === null) {
            return false;
        }

        return $data;
    }

    /**
     * @param string $key
     * @param mixed $value
     * @param null $ttl
     * @param null $dependency
     * @return bool
     * @throws InvalidArgumentException
     */
    public function set($key, $value, $ttl = null, $dependency = null)
    {
        $key = $this->buildKey($key);

        $duration = $this->dateIntervalToSeconds($ttl);

        return $this->getCache()->set($key, $value, $duration, $dependency);
    }

    /**
     * @param string $key
     * @return bool
     */
    public function delete($key)
    {
        $key = $this->buildKey($key);
        return $this->has($key) ? $this->getCache()->delete($key) : true;
    }

    /**
     * @return bool
     */
    public function clear()
    {
        return $this->getCache()->flush();
    }

    /**
     * @param iterable $keys
     * @param null $default
     * @return array|iterable
     */
    public function getMultiple($keys, $default = null)
    {
        if (!$keys instanceof \Traversable && !is_array($keys)) {
            throw new InvalidArgumentException(
                'Invalid keys: ' . var_export($keys, true) . '. Keys should be an array or Traversable of strings.'
            );
        }
        $data = [];
        foreach ($keys as $key) {
            $data[$key] = $this->get($key, $default);
        }
        return $data;
    }

    /**
     * @param iterable $values
     * @param null $ttl
     * @return bool
     */
    public function setMultiple($values, $ttl = null)
    {
        if (!$values instanceof \Traversable && !is_array($values)) {
            throw new InvalidArgumentException(
                'Invalid keys: ' . var_export($values, true) . '. Keys should be an array or Traversable of strings.'
            );
        }
        $pairs = [];
        foreach ($values as $key => $value) {
            $key = $this->buildKey($key);
            $pairs[$key] = $value;
        }
        $res = true;
        foreach ($pairs as $key => $value) {
            $res = $res && $this->set($key, $value, $ttl);
        }
        return $res;
    }

    /**
     * @param iterable $keys
     * @return bool
     */
    public function deleteMultiple($keys)
    {
        if ($keys instanceof \Traversable) {
            $keys = iterator_to_array($keys, false);
        } else {
            if (!is_array($keys)) {
                throw new InvalidArgumentException(
                    'Invalid keys: ' . var_export($keys, true) . '. Keys should be an array or Traversable of strings.'
                );
            }
        }
        $res = true;
        array_map(function ($key) use (&$res) {
            $res = $res && $this->delete($key);
        }, $keys);
        return $res;
    }

    /**
     * @param string $key
     * @return bool
     */
    public function has($key)
    {
        $key = $this->buildKey($key);
        return $this->getCache()->exists($key);
    }

    /**
     * @param $ttl
     * @return null|int
     */
    protected function dateIntervalToSeconds($ttl)
    {
        if ($ttl === null || !is_int($ttl)) {
            return $ttl;
        }

        if ($ttl instanceof DateInterval) {
            return ((new DateTime())->add($ttl))->getTimestamp() - (new DateTime())->getTimestamp();
        }

        return null;
    }


    /**
     * Builds a normalized cache key from a given key.
     *
     * If the given key is a string containing alphanumeric characters only and no more than 32 characters,
     * then the key will be returned back as it is. Otherwise, a normalized key is generated by serializing
     * the given key and applying MD5 hashing.
     *
     * @param mixed $key the key to be normalized
     * @return string the generated cache key
     */
    protected function buildKey($key)
    {
        if (is_string($key)) {
            return ctype_alnum($key) && StringHelper::byteLength($key) <= 32 ? $key : md5($key);
        }
        return md5(json_encode($key));
    }
}


1			<?php
2
3			/**
4			* @copyright Copyright (c) Flipbox Digital Limited
5			* @license https://github.com/flipbox/craft-psr16/blob/master/LICENSE
6			* @link https://github.com/flipbox/craft-psr16
7			*/
8
9			namespace flipbox\craft\psr16;
10
11			use Craft;
12			use DateInterval;
13			use DateTime;
14			use Psr\SimpleCache\CacheInterface;
15			use yii\base\Component;
16			use yii\base\InvalidArgumentException;
17			use yii\caching\CacheInterface as YiiCacheInterface;
18			use yii\di\Instance;
19			use yii\helpers\StringHelper;
20
21			/**
22			* @author Flipbox Factory <[email protected]>
23			* @since 1.0.0
24			*/
25			class SimpleCacheAdapter extends Component implements CacheInterface
26			{
27			/**
28			* @var YiiCacheInterface
29			*/
30			public $cache;
31
32			/**
33			* @throws \yii\base\InvalidConfigException
34			*/
35			public function init()
36			{
37			parent::init();
38
39			if ($this->cache === null) {
40			$this->cache = Craft::$app->getCache();
41			}
42
43			$this->cache = Instance::ensure(
44			$this->cache instanceof \Closure ?
45			call_user_func($this->cache) :
46			$this->cache,
47			YiiCacheInterface::class
48			);
49			}
50
51			/**
52			* @return YiiCacheInterface
53			*/
54			protected function getCache(): YiiCacheInterface
55			{
56			return $this->cache;
57			}
58
59			/**
60			* Cache::get() return false if the value is not in the cache or expired, but PSR-16 return $default(null)
61			*
62			* @param string $key
63			* @param null $default
64			* @return bool\|mixed\|null
65			* @throws InvalidArgumentException
66			*/
67			public function get($key, $default = null)
68			{
69			$key = $this->buildKey($key);
70
71			$data = $this->getCache()->get($key);
72
73			if ($data === false) {
74			return $default;
75			}
76
77			if ($data === null) {
78			return false;
79			}
80
81			return $data;
82			}
83
84			/**
85			* @param string $key
86			* @param mixed $value
87			* @param null $ttl
88			* @param null $dependency
89			* @return bool
90			* @throws InvalidArgumentException
91			*/
92			public function set($key, $value, $ttl = null, $dependency = null)
93			{
94			$key = $this->buildKey($key);
95
96			$duration = $this->dateIntervalToSeconds($ttl);
97
98			return $this->getCache()->set($key, $value, $duration, $dependency);
99			}
100
101			/**
102			* @param string $key
103			* @return bool
104			*/
105			public function delete($key)
106			{
107			$key = $this->buildKey($key);
108			return $this->has($key) ? $this->getCache()->delete($key) : true;
109			}
110
111			/**
112			* @return bool
113			*/
114			public function clear()
115			{
116			return $this->getCache()->flush();
117			}
118
119			/**
120			* @param iterable $keys
121			* @param null $default
122			* @return array\|iterable
123			*/
124			public function getMultiple($keys, $default = null)
125			{
126			if (!$keys instanceof \Traversable && !is_array($keys)) {
127			throw new InvalidArgumentException(
128			'Invalid keys: ' . var_export($keys, true) . '. Keys should be an array or Traversable of strings.'
129			);
130			}
131			$data = [];
132			foreach ($keys as $key) {
133			$data[$key] = $this->get($key, $default);
134			}
135			return $data;
136			}
137
138			/**
139			* @param iterable $values
140			* @param null $ttl
141			* @return bool
142			*/
143			public function setMultiple($values, $ttl = null)
144			{
145			if (!$values instanceof \Traversable && !is_array($values)) {
146			throw new InvalidArgumentException(
147			'Invalid keys: ' . var_export($values, true) . '. Keys should be an array or Traversable of strings.'
148			);
149			}
150			$pairs = [];
151			foreach ($values as $key => $value) {
152			$key = $this->buildKey($key);
153			$pairs[$key] = $value;
154			}
155			$res = true;
156			foreach ($pairs as $key => $value) {
157			$res = $res && $this->set($key, $value, $ttl);
158			}
159			return $res;
160			}
161
162			/**
163			* @param iterable $keys
164			* @return bool
165			*/
166			public function deleteMultiple($keys)
167			{
168			if ($keys instanceof \Traversable) {
169			$keys = iterator_to_array($keys, false);
170			} else {
171			if (!is_array($keys)) {
172			throw new InvalidArgumentException(
173			'Invalid keys: ' . var_export($keys, true) . '. Keys should be an array or Traversable of strings.'
174			);
175			}
176			}
177			$res = true;
178			array_map(function ($key) use (&$res) {
179			$res = $res && $this->delete($key);
180			}, $keys);
181			return $res;
182			}
183
184			/**
185			* @param string $key
186			* @return bool
187			*/
188			public function has($key)
189			{
190			$key = $this->buildKey($key);
191			return $this->getCache()->exists($key);
192			}
193
194			/**
195			* @param $ttl
196			* @return null\|int
197			*/
198			protected function dateIntervalToSeconds($ttl)
199			{
200			if ($ttl === null \|\| !is_int($ttl)) {
201			return $ttl;
202			}
203
204			if ($ttl instanceof DateInterval) {
205			return ((new DateTime())->add($ttl))->getTimestamp() - (new DateTime())->getTimestamp();
206			}
207
208			return null;
209			}
210
211
212			/**
213			* Builds a normalized cache key from a given key.
214			*
215			* If the given key is a string containing alphanumeric characters only and no more than 32 characters,
216			* then the key will be returned back as it is. Otherwise, a normalized key is generated by serializing
217			* the given key and applying MD5 hashing.
218			*
219			* @param mixed $key the key to be normalized
220			* @return string the generated cache key
221			*/
222			protected function buildKey($key)
223			{
224			if (is_string($key)) {
225			return ctype_alnum($key) && StringHelper::byteLength($key) <= 32 ? $key : md5($key);
226			}
227			return md5(json_encode($key));
228			}
229			}
230

flipboxfactory / craft-psr16

SimpleCacheAdapter::clear() A last analyzed 2019-02-06 23:21 UTC

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SimpleCacheAdapter::clear() A
last analyzed 2019-02-06 23:21 UTC