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<?php |
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namespace Imanghafoori\Widgets\Utils; |
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class Cache |
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{ |
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private $_cacheTag; |
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/** |
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* Cache constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->_cacheTag = app(CacheTag::class); |
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} |
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/** |
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* Caches the widget output. |
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* |
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* @param array $args |
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* @param callable $phpCode |
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* @param object $widgetObj |
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* |
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* @param string $form |
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* @return null |
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*/ |
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public function cacheResult(array $args, callable $phpCode, $widgetObj, $form = 'HTML') |
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{ |
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$key = $this->makeCacheKey($args, $widgetObj, $form); |
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$cache = app('cache'); |
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if (! empty($widgetObj->cacheTags) && $this->cacheDriverSupportsTags()) { |
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$cache = $cache->tags($widgetObj->cacheTags); |
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} |
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if ($widgetObj->cacheLifeTime === 0) { |
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return $phpCode(); |
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} |
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return $cache->remember($key, $widgetObj->cacheLifeTime, $phpCode); |
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} |
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/** |
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* Creates a unique cache key for each possible output. |
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* |
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* @param array $arg |
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* @param object $widget |
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* @param string $form |
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* @return string An MD5 string |
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*/ |
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private function makeCacheKey(array $arg, $widget, $form) |
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{ |
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if (method_exists($widget, 'cacheKey')) { |
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return $widget->cacheKey($arg); |
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} |
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$_key = ''; |
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if (method_exists($widget, 'extraCacheKeyDependency')) { |
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$_key = json_encode($widget->extraCacheKeyDependency($arg)); |
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} |
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if (! $this->cacheDriverSupportsTags()) { |
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$_key .= json_encode($this->getTagTokens($widget->cacheTags)); |
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} |
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$_key .= json_encode($arg, JSON_FORCE_OBJECT).app()->getLocale().$form.$widget->template.get_class($widget); |
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return md5($_key); |
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} |
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/** |
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* Determines cacheTagging is supported by the chosen laravel cache driver or not. |
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* @return bool |
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*/ |
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private function cacheDriverSupportsTags() |
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{ |
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return ! in_array(config('cache.default', 'file'), ['file', 'database']); |
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} |
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/** |
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* @param string[] $cacheTags |
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* @return string[] |
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*/ |
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private function getTagTokens(array $cacheTags) |
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{ |
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return array_map(function ($tag) { |
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return $this->_cacheTag->getTagToken($tag); |
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}, $cacheTags); |
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} |
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/** |
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* @param string[] $tags |
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*/ |
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public function expireTaggedWidgets($tags) |
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{ |
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if ($this->cacheDriverSupportsTags()) { |
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return \Cache::tags($tags)->flush(); |
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} |
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if (is_string($tags)) { |
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$tags = [$tags]; |
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} |
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foreach ($tags as $tag) { |
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$this->_cacheTag->generateNewToken($tag); |
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} |
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} |
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} |
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imanghafoori1 /
laravel-widgetize
