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<?php
namespace ThemeXpert\Quix;
use Doctrine\Common\Cache\Cache as DoctrineCache;
class Cache
{
/**
* Instance of doctrine.
*
* @var \Doctrine\Common\Cache\Cache
*/
protected $cache;
/**
* Cache lift time.
*
* @var int
*/
protected $cacheLifeTime;
/**
* Determine cache enable/disable.
*
* @var bool
*/
private $shouldCache;
/**
* Create a new instance of cache.
*
* @param \Doctrine\Common\Cache\Cache $cache
* @param int $cacheLifeTime
* @param bool $shouldCache
*/
public function __construct(DoctrineCache $cache, $cacheLifeTime, $shouldCache)
{
$this->cache = $cache;
$this->cacheLifeTime = $cacheLifeTime;
$this->shouldCache = $shouldCache;
if (array_get($_GET, 'clear_cache')) {
$this->clearCache();
}
}
/**
* Set cache life time.
*
* @param int $cacheLifeTime
*
* @return Application
*/
public function setCacheLifeTime($cacheLifeTime)
{
$this->cacheLifeTime = $cacheLifeTime;
return $this;
}
/**
* Delete all cache from the registered cache list.
*/
public function clearCache()
{
$this->cache->deleteAll();
}
/**
* Get cache details by ID.
*
* @param $id
*
* @return mixed
*/
public function fetch($id)
{
$args = func_get_args();
if (count($args) === 1) {
return $this->cache->fetch($id);
} else {
$callback = $args[1];
return $this->getCacheById($id, $callback);
}
}
/**
* Get Cache by id.
*
* @param $id
* @param $callback
*
* @return mixed
*/
protected function getCacheById($id, $callback)
{
if (!$this->shouldCache) {
return $callback();
} else {
if ($this->cache->contains($id)) {
return $this->cache->fetch($id);
} else {
$data = $callback();
$this->cache->save($id, $data, $this->cacheLifeTime);
return $data;
}
}
}
}