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<?php |
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namespace PragmaRX\Countries\Package\Services\Cache\Managers; |
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use Closure; |
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use Exception; |
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use Psr\SimpleCache\CacheInterface; |
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use Nette\Caching\Cache as NetteCache; |
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use Nette\Caching\Storages\FileStorage; |
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use PragmaRX\Countries\Package\Services\Config; |
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class Nette implements CacheInterface |
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{ |
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/** |
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* Cache. |
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* |
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* @var \Nette\Caching\Cache |
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*/ |
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protected $cache; |
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/** |
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* Config. |
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* |
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* @var Config |
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*/ |
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protected $config; |
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/** |
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* Cache directory. |
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* |
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* @var string |
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*/ |
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protected $dir; |
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/** |
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* Cache constructor. |
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* @param object $config |
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* @param null $path |
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*/ |
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public function __construct($config = null, $path = null) |
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{ |
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$this->config = is_null($config) ? new Config() : $config; |
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$this->cache = new NetteCache( |
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$this->getStorage($path = null) |
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); |
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} |
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/** |
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* Check if cache is enabled. |
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* |
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* @return bool |
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*/ |
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protected function enabled() |
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{ |
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return $this->config->get('countries.cache.enabled'); |
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} |
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/** |
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* Get the cache directory. |
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* |
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* @return mixed|string|static |
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*/ |
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public function getCacheDir() |
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{ |
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if (is_null($this->dir)) { |
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$this->dir = $this->config->cache->directory ?: sys_get_temp_dir().'/__PRAGMARX_COUNTRIES__/cache'; |
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if (! file_exists($this->dir)) { |
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mkdir($this->dir, 0755, true); |
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} |
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} |
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return $this->dir; |
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} |
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/** |
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* Get the file storage. |
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* |
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* @param null $path |
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* @return FileStorage |
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*/ |
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public function getStorage($path = null) |
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{ |
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return new FileStorage( |
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is_null($path) |
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? $this->getCacheDir() |
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: $path |
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); |
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} |
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/** |
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* Fetches a value from the cache. |
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* |
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* @param string $key |
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* @param null $default |
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* @return mixed |
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*/ |
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public function get($key, $default = null) |
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{ |
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if ($this->enabled()) { |
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return $this->cache->load($key, $default); |
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} |
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} |
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/** |
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* @param $ttl |
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* @return string |
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*/ |
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protected function makeExpiration($ttl) |
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{ |
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$expiration = ($ttl ?: $this->config->get('cache.duration')).' minutes'; |
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return $expiration; |
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} |
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/** |
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* Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time. |
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* |
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* @param string $key |
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* @param mixed $value |
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* @param null $ttl |
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* @return bool |
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*/ |
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public function set($key, $value, $ttl = null) |
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{ |
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if ($this->enabled()) { |
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return $this->cache->save($key, $value, [NetteCache::EXPIRE => $this->makeExpiration($ttl)]); |
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} |
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return $value; |
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} |
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/** |
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* Delete an item from the cache by its unique key. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function delete($key) |
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{ |
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$this->cache->remove($key); |
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} |
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/** |
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* Wipe clean the entire cache's keys. |
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*/ |
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public function clear() |
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{ |
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$this->cache->clean([NetteCache::ALL => true]); |
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} |
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/** |
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* Obtains multiple cache items by their unique keys. |
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* |
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* @param $keys |
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* @param null $default |
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* @return array |
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*/ |
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public function getMultiple($keys, $default = null) |
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{ |
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return coollect($keys)->map(function ($key) { |
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return $this->get($key); |
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}); |
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} |
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/** |
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* Persists a set of key => value pairs in the cache, with an optional TTL. |
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* |
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* @param $values |
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* @param null $ttl |
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* @return bool |
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*/ |
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public function setMultiple($values, $ttl = null) |
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{ |
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return coollect($values)->map(function ($value, $key) use ($ttl) { |
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return $this->set($key, $value, $ttl); |
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}); |
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} |
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/** |
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* Deletes multiple cache items in a single operation. |
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* |
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* @param $keys |
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* @return bool|void |
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*/ |
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public function deleteMultiple($keys) |
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{ |
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coollect($keys)->map(function ($key) { |
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$this->forget($key); |
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}); |
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} |
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/** |
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* Determines whether an item is present in the cache. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return ! is_null($this->get($key)); |
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} |
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/** |
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* Get an item from the cache, or store the default value. |
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* |
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* @param string $key |
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* @param \DateTimeInterface|\DateInterval|float|int $minutes |
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* @param Closure $callback |
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* @return mixed |
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*/ |
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View Code Duplication |
public function remember($key, $minutes, Closure $callback) |
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{ |
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$value = $this->get($key); |
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if (! is_null($value)) { |
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return $value; |
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} |
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$this->set($key, $value = $callback(), $minutes); |
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return $value; |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.