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<?php
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namespace Resta\Cache;
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use Resta\Contracts\ApplicationContracts;
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class CacheManager extends CacheAdapter
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{
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/**
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* @var string
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*/
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protected $cache;
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/**
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* @var int $expire
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*/
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protected $expire;
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/**
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* @var string $file
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*/
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protected $adapter;
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/**
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* @var null $path
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*/
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protected $path;
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/**
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* @var string $name
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*/
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protected $name;
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/**
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* @var bool
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*/
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protected $cacheServiceProvider = false;
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/**
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* CacheManager constructor.
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* @param ApplicationContracts $app
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*/
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public function __construct(ApplicationContracts $app)
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{
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parent::__construct($app);
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//get configuration variables from application
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$config = $this->app->resolve(CacheConfigDetector::class)->getConfig();
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$this->adapter = $config['adapter'];
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$this->path = $config['path'];
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$this->expire = $config['expire'];
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}
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/**
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* change cache adapter
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*
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* @param null|string $adapter
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* @return $this
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*/
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public function adapter($adapter)
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{
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if(!is_null($adapter)){
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$this->adapter = $adapter;
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}
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return $this;
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}
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/**
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* cache service provider register
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*
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* @param $cacheItem
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* @param $cacheProvider
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* @param $data
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*/
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private function cacheServiceProvider($cacheItem,$cacheProvider,$data)
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{
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if($cacheProvider($data)){
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$cacheItem->set($data);
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$this->cache->save($cacheItem);
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$this->cacheServiceProvider = true;
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}
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return $data;
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}
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/**
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* get container cache service provider
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*
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* @param callable $callback
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* @param $cacheItem
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* @param $data
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* @return bool|mixed
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*/
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private function containerCacheServiceProvider(callable $callback,$cacheItem,$data)
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{
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if($this->app->has('cache.class')){
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$class = $this->app->get('cache.class');
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if(is_callable(
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$cacheProvider = $this->app->get('cache.'.class_basename($class[0]).':'.$class[1]))
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){
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return $this->cacheServiceProvider($cacheItem,$cacheProvider,$data);
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}
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elseif(is_callable(
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$cacheProvider = $this->app->get('cache.'.class_basename($class[0])))
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)
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{
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return $this->cacheServiceProvider($cacheItem,$cacheProvider,$data);
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}
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}
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return call_user_func($callback);
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}
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/**
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* cache name
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*
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* @param null|string $name
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* @return $this
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*/
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public function name($name)
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{
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//name variable is
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//the name of the cache data set to be created.
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if(!is_null($name)){
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$this->name = $name;
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}
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return $this;
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}
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/**
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* cache expire
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*
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* @param int|mixed $expire
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* @return $this
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*/
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public function expire($expire)
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{
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//Cache data is set at the time.
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//Data will be valid in this time.
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if(is_numeric($expire)){
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$this->expire = $expire;
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}
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return $this;
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}
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153
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/**
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154
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* get cache
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155
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*
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156
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* @param callable $callback
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* @return mixed
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*
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* @throws \Psr\Cache\InvalidArgumentException
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*/
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public function get(callable $callback)
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{
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// this class has a macro that can be managed by the user.
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// macros work as an extensible version of the classes.
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$macro = $this->app['macro']->with(config('kernel.macros.cache'),$this,$this->adapter);
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//set cache macroable object
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$this->cache = $macro->{$this->adapter}($callback);
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//With backtrace, we can specify an automatic name.
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//This will automatically detect which service is running in the service.
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$backtrace = debug_backtrace()[1];
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//If name is null, we name it with backtrace.
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if($this->name===null) {
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$this->name = md5($backtrace['function'].'_'.$backtrace['class']);
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}
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//this method may show continuity depending on the macro.
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if(false === $this instanceof $macro) return ;
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// retrieve the cache item
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$cacheItem = $this->cache->getItem($this->name);
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if (!$cacheItem->isHit()) {
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$data = call_user_func($callback);
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return $this->containerCacheServiceProvider(function() use ($data,$cacheItem){
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$cacheItem->set($data);
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$this->cache->save($cacheItem);
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return $data;
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},$cacheItem,$data);
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}
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$this->app->register('illuminator','cache',['name'=>$this->name]);
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// retrieve the value stored by the item
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return $cacheItem->get();
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}
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/**
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* check macro availability for adapter method
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*
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* @param $class
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* @return mixed
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*/
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private function macro($class)
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{
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return app()['macro'](Cache::class)->isMacro($class)->get(function() use($class){
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return $class;
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});
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}
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} |
php-resta /
resta-core
