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<?php namespace Anomaly\Streams\Platform\View\Cache; |
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use Asm89\Twig\CacheExtension\CacheProviderInterface; |
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use Asm89\Twig\CacheExtension\CacheStrategy\KeyGeneratorInterface; |
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use Asm89\Twig\CacheExtension\CacheStrategyInterface; |
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/** |
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* Class CacheStrategy |
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* |
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* @link http://pyrocms.com/ |
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* @author PyroCMS, Inc. <[email protected]> |
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* @author Ryan Thompson <[email protected]> |
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* @package Anomaly\Streams\Platform\View\Cache |
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*/ |
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class CacheStrategy implements CacheStrategyInterface |
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{ |
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/** |
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* The cache provider. |
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* |
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* @var CacheProviderInterface |
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*/ |
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private $cache; |
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/** |
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* The key generator. |
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* |
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* @var KeyGeneratorInterface |
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*/ |
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private $generator; |
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/** |
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* The default lifetime. |
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* |
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* @var int |
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*/ |
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private $lifetime; |
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/** |
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* Create a new CacheStrategy instance. |
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* |
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* @param CacheProviderInterface $cache |
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* @param KeyGeneratorInterface $generator |
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* @param integer $lifetime |
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*/ |
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public function __construct(CacheProviderInterface $cache, KeyGeneratorInterface $generator, $lifetime = 0) |
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{ |
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$this->cache = $cache; |
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$this->generator = $generator; |
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$this->lifetime = $lifetime; |
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} |
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/** |
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* Fetch the block for a given key. |
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* |
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* @param mixed $key |
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* |
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* @return string |
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*/ |
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public function fetchBlock($key) |
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{ |
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if (is_array($key)) { |
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$key = $key['key']; |
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} |
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return $this->cache->fetch($key); |
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} |
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/** |
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* Generate a key for the value. |
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* |
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* @param string $annotation |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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public function generateKey($annotation, $value) |
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{ |
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if (is_numeric($value)) { |
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return [ |
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'lifetime' => $value, |
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'key' => '__CS__' . $annotation, |
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]; |
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} |
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$key = $this->generator->generateKey($value); |
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if ($key === null) { |
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throw new \RuntimeException('You must provide a cache key.'); |
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} |
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return $annotation . '__CS__' . $key; |
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} |
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/** |
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* Save the contents of a rendered block. |
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* |
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* @param mixed $key |
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* @param string $block |
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*/ |
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public function saveBlock($key, $block) |
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{ |
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if (is_array($key)) { |
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$lifetime = $key['lifetime']; |
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$key = $key['key']; |
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} else { |
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$lifetime = $this->lifetime; |
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} |
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return $this->cache->save($key, $block, $lifetime); |
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} |
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} |
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