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<?php |
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declare( strict_types = 1 ); |
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namespace FileFetcher; |
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use Psr\SimpleCache\CacheException; |
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use Psr\SimpleCache\CacheInterface; |
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/** |
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* Decorator that caches files using psr/simple-cache. |
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* https://packagist.org/packages/psr/simple-cache |
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* |
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* @since 5.0 |
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* |
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* @licence BSD-3-Clause |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class PsrCacheFileFetcher implements FileFetcher { |
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private $fileFetcher; |
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private $cache; |
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private $keyBuilder; |
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/** |
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* @param FileFetcher $fileFetcher |
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* @param CacheInterface $cache |
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* @param callable|null $keyBuilderFunction Gets the fileUrl (string) and needs to return a valid cache key (string) |
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*/ |
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public function __construct( FileFetcher $fileFetcher, CacheInterface $cache, callable $keyBuilderFunction = null ) { |
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$this->fileFetcher = $fileFetcher; |
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$this->cache = $cache; |
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$this->keyBuilder = $keyBuilderFunction ?? $this->getDefaultKeyBuilder(); |
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} |
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private function getDefaultKeyBuilder(): callable { |
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return function( string $fileUrl ): string { |
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return preg_replace( |
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'/[^A-Za-z0-9\-]/', |
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'_', |
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$fileUrl |
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) |
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. '-' . substr( sha1( $fileUrl ), 0, 5 ); |
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}; |
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} |
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/** |
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* @see FileFetcher::fetchFile |
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* @throws FileFetchingException |
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*/ |
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public function fetchFile( string $fileUrl ): string { |
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$fileContents = $this->getFileContentsFromCache( $fileUrl ); |
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if ( $fileContents === null ) { |
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return $this->retrieveAndCacheFile( $fileUrl ); |
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} |
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return $fileContents; |
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} |
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private function getFileContentsFromCache( string $fileUrl ): ?string { |
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try { |
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return $this->cache->get( $this->createCacheKey( $fileUrl ) ); |
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} |
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catch ( CacheException $ex ) { |
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return null; |
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} |
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} |
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private function createCacheKey( string $fileUrl ): string { |
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return ( $this->keyBuilder )( $fileUrl ); |
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} |
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private function retrieveAndCacheFile( $fileUrl ): string { |
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$fileContents = $this->fileFetcher->fetchFile( $fileUrl ); |
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try { |
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$this->cache->set( $this->createCacheKey( $fileUrl ), $fileContents ); |
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} |
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catch ( CacheException $ex ) { |
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} |
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return $fileContents; |
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} |
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} |
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Scrutinizer analyzes your
composer.json
/composer.lock
file if available to determine the classes, and functions that are defined by your dependencies.It seems like the listed class was neither found in your dependencies, nor was it found in the analyzed files in your repository. If you are using some other form of dependency management, you might want to disable this analysis.