Cache::storeData() - Code Metrics - Inspection of "Test for logger and cache classes" - psfs/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c877ec...c350e4 )

by Fran

created 2016-08-20 22:35 UTC

Cache::storeData() A

↳ Parent: Cache

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
cc	1
eloc	3
c	3
b	0
f	0
nc	1
nop	4
dl	0
loc	5
ccs	0
cts	0
cp	0
crap	2
rs	9.4285

<?php
namespace PSFS\base;

use PSFS\base\config\Config;
use PSFS\base\exception\ConfigException;
use PSFS\base\types\SingletonTrait;

/**
 * Class Cache
 * @package PSFS\base
 * Gestión de los ficheros de cache
 */
class Cache
{

    const JSON = 1;
    const TEXT = 2;
    const GZIP = 3;
    const JSONGZ = 4;

    use SingletonTrait;

    /**
     * Método que guarda un text en un fichero
     * @param string $data
     * @param string $path
     * @param boolean $absolute
     * @throws ConfigException
     */
    private function saveTextToFile($data, $path, $absolute = false)
    {
        $absolutePath = ($absolute) ? $path : CACHE_DIR . DIRECTORY_SEPARATOR . $path;
        $filename = basename($absolutePath);
        Config::createDir(str_replace($filename, "", $absolutePath));
        if (false === file_put_contents($absolutePath, $data)) {
            throw new ConfigException(_('No se tienen los permisos suficientes para escribir en el fichero ') . $absolutePath);

        }
    }

    /**
     * Método que extrae el texto de un fichero
     * @param string $path
     * @param int $transform
     * @param boolean $absolute
     * @return array|string|null
     */
    public function getDataFromFile($path, $transform = Cache::TEXT, $absolute = false)
    {
        $data = null;
        $absolutePath = ($absolute) ? $path : CACHE_DIR . DIRECTORY_SEPARATOR . $path;
        if (file_exists($absolutePath)) {
            $data = file_get_contents($absolutePath);
        }
        return Cache::extractDataWithFormat($data, $transform);
    }

    /**
     * Método que verifica si un fichero tiene la cache expirada
     * @param string $path
     * @param int $expires
     * @param boolean $absolute
     * @return bool
     */
    private function hasExpiredCache($path, $expires = 300, $absolute = false)
    {
        $absolutePath = ($absolute) ? $path : CACHE_DIR . DIRECTORY_SEPARATOR . $path;
        $lasModificationDate = filemtime($absolutePath);
        return ($lasModificationDate + $expires <= time());
    }

    /**
     * Método que transforma los datos de salida
     * @param string $data
     * @param int $transform
     * @return array|string|null
     */
    public static function extractDataWithFormat($data, $transform = Cache::TEXT)
    {
        switch ($transform) {
            case Cache::JSON:
                $data = json_decode($data, true);
                break;
            case Cache::JSONGZ:
                $data = Cache::extractDataWithFormat($data, Cache::GZIP);
                $data = Cache::extractDataWithFormat($data, Cache::JSON);
                break;
            case Cache::GZIP:
                // TODO implementar
                if(function_exists('gzuncompress')) {
                    $data = gzuncompress($data);
                }
                break;
        }
        return $data;
    }

    /**
     * Método que transforma los datos de entrada del fichero
     * @param string $data
     * @param int $transform
     * @return string
     */
    public static function transformData($data, $transform = Cache::TEXT)
    {
        switch ($transform) {
            case Cache::JSON:
                $data = json_encode($data, JSON_PRETTY_PRINT);
                break;
            case Cache::JSONGZ:
                $data = Cache::transformData($data, Cache::JSON);
                $data = Cache::transformData($data, Cache::GZIP);
                break;
            case Cache::GZIP:
                if(function_exists('gzcompress')) {
                    $data = gzcompress($data);
                }
                break;
        }
        return $data;
    }

    /**
     * Método que guarda en fichero los datos pasados
     * @param $path
     * @param $data
     * @param int $transform
     * @param boolean $absolutePath
     */
    public function storeData($path, $data, $transform = Cache::TEXT, $absolutePath = false)
    {
        $data = Cache::transformData($data, $transform);
        $this->saveTextToFile($data, $path, $absolutePath);
    }

    /**
     * Método que verifica si tiene que leer o no un fichero de cache
     * @param string $path
     * @param int $expires
     * @param callable $function
     * @param int $transform
     * @return string|null
     */
    public function readFromCache($path, $expires = 300, callable $function, $transform = Cache::TEXT)
    {
        $data = null;
        if (file_exists(CACHE_DIR . DIRECTORY_SEPARATOR . $path)) {
            if (null !== $function && $this->hasExpiredCache($path, $expires)) {
                $data = call_user_func($function);
                $this->storeData($path, $data, $transform);
            } else {
                $data = $this->getDataFromFile($path, $transform);
            }
        }
        return $data;
    }

    /**
     * Método estático que revisa si se necesita cachear la respuesta de un servicio o no
     * @return integer
     */
    public static function needCache()
    {
        $action = Security::getInstance()->getSessionKey("__CACHE__");
        $needCache = false;
        if (null !== $action && array_key_exists("cache", $action) && $action["cache"] > 0) {
            $needCache = $action["cache"];
        }
        return $needCache;
    }

    /**
     * Método que construye un hash para almacenar la cache
     * @return string
     */
    public function getRequestCacheHash()
    {
        $hash = "";
        $action = Security::getInstance()->getSessionKey("__CACHE__");
        if (null !== $action && $action["cache"] > 0) {
            $hash = $action["http"] . " " . $action["slug"];
        }
        return sha1($hash);
    }
}


1		<?php
2		namespace PSFS\base;
3
4		use PSFS\base\config\Config;
5		use PSFS\base\exception\ConfigException;
6		use PSFS\base\types\SingletonTrait;
7
8		/**
9		* Class Cache
10		* @package PSFS\base
11		* Gestión de los ficheros de cache
12		*/
13		class Cache
14		{
15
16		const JSON = 1;
17		const TEXT = 2;
18		const GZIP = 3;
19		const JSONGZ = 4;
20
21		use SingletonTrait;
22
23		/**
24		* Método que guarda un text en un fichero
25		* @param string $data
26		* @param string $path
27		* @param boolean $absolute
28		* @throws ConfigException
29		*/
30	2	private function saveTextToFile($data, $path, $absolute = false)
31		{
32	2	$absolutePath = ($absolute) ? $path : CACHE_DIR . DIRECTORY_SEPARATOR . $path;
33	2	$filename = basename($absolutePath);
34	2	Config::createDir(str_replace($filename, "", $absolutePath));
35	2	if (false === file_put_contents($absolutePath, $data)) {
36		throw new ConfigException(_('No se tienen los permisos suficientes para escribir en el fichero ') . $absolutePath);
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37		}
38	2	}
39
40		/**
41		* Método que extrae el texto de un fichero
42		* @param string $path
43		* @param int $transform
44		* @param boolean $absolute
45		* @return array\|string\|null
46		*/
47	2	public function getDataFromFile($path, $transform = Cache::TEXT, $absolute = false)
48		{
49	2	$data = null;
50	2	$absolutePath = ($absolute) ? $path : CACHE_DIR . DIRECTORY_SEPARATOR . $path;
51	2	if (file_exists($absolutePath)) {
52	2	$data = file_get_contents($absolutePath);
53	2	}
54	2	return Cache::extractDataWithFormat($data, $transform);
55		}
56
57		/**
58		* Método que verifica si un fichero tiene la cache expirada
59		* @param string $path
60		* @param int $expires
61		* @param boolean $absolute
62		* @return bool
63		*/
64		private function hasExpiredCache($path, $expires = 300, $absolute = false)
65		{
66		$absolutePath = ($absolute) ? $path : CACHE_DIR . DIRECTORY_SEPARATOR . $path;
67		$lasModificationDate = filemtime($absolutePath);
68		return ($lasModificationDate + $expires <= time());
69		}
70
71		/**
72		* Método que transforma los datos de salida
73		* @param string $data
74		* @param int $transform
75		* @return array\|string\|null
76		*/
77	2	public static function extractDataWithFormat($data, $transform = Cache::TEXT)
78		{
79		switch ($transform) {
80	2	case Cache::JSON:
81	2	$data = json_decode($data, true);
82	2	break;
83		case Cache::JSONGZ:
84		$data = Cache::extractDataWithFormat($data, Cache::GZIP);
85		$data = Cache::extractDataWithFormat($data, Cache::JSON);
86		break;
87		case Cache::GZIP:
88		// TODO implementar
89		if(function_exists('gzuncompress')) {
90	2	$data = gzuncompress($data);
91		}
92		break;
93		}
94		return $data;
95		}
96
97		/**
98		* Método que transforma los datos de entrada del fichero
99	2	* @param string $data
100		* @param int $transform
101		* @return string
102	2	*/
103	2	public static function transformData($data, $transform = Cache::TEXT)
104	2	{
105	1	switch ($transform) {
106		case Cache::JSON:
107	1	$data = json_encode($data, JSON_PRETTY_PRINT);
108	1	break;
109		case Cache::JSONGZ:
110	1	$data = Cache::transformData($data, Cache::JSON);
111		$data = Cache::transformData($data, Cache::GZIP);
112	2	break;
113		case Cache::GZIP:
114		if(function_exists('gzcompress')) {
115		$data = gzcompress($data);
116		}
117		break;
118		}
119		return $data;
120		}
121
122	2	/**
123		* Método que guarda en fichero los datos pasados
124	2	* @param $path
125	2	* @param $data
126	2	* @param int $transform
127		* @param boolean $absolutePath
128		*/
129		public function storeData($path, $data, $transform = Cache::TEXT, $absolutePath = false)
130		{
131		$data = Cache::transformData($data, $transform);
132		$this->saveTextToFile($data, $path, $absolutePath);
133		}
134
135		/**
136		* Método que verifica si tiene que leer o no un fichero de cache
137		* @param string $path
138		* @param int $expires
139		* @param callable $function
140		* @param int $transform
141		* @return string\|null
142		*/
143		public function readFromCache($path, $expires = 300, callable $function, $transform = Cache::TEXT)
144		{
145		$data = null;
146		if (file_exists(CACHE_DIR . DIRECTORY_SEPARATOR . $path)) {
147		if (null !== $function && $this->hasExpiredCache($path, $expires)) {
148		$data = call_user_func($function);
149		$this->storeData($path, $data, $transform);
150		} else {
151		$data = $this->getDataFromFile($path, $transform);
152		}
153		}
154		return $data;
155		}
156
157		/**
158		* Método estático que revisa si se necesita cachear la respuesta de un servicio o no
159		* @return integer
160		*/
161		public static function needCache()
162		{
163		$action = Security::getInstance()->getSessionKey("__CACHE__");
164		$needCache = false;
165		if (null !== $action && array_key_exists("cache", $action) && $action["cache"] > 0) {
166		$needCache = $action["cache"];
167		}
168		return $needCache;
169		}
170
171		/**
172		* Método que construye un hash para almacenar la cache
173		* @return string
174		*/
175		public function getRequestCacheHash()
176		{
177		$hash = "";
178		$action = Security::getInstance()->getSessionKey("__CACHE__");
179		if (null !== $action && $action["cache"] > 0) {
180		$hash = $action["http"] . " " . $action["slug"];
181		}
182		return sha1($hash);
183		}
184		}
185

psfs / core

Push — master ( c877ec...c350e4 )

Cache::storeData() A

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