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<?php |
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namespace FileNamingResolver\NamingStrategy; |
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use FileNamingResolver\FileInfo; |
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/** |
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* @author Victor Bocharsky <[email protected]> |
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*/ |
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abstract class AbstractHashNamingStrategy extends AbstractNamingStrategy |
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{ |
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const ALGORITHM_MD5 = 'md5'; |
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const ALGORITHM_SHA1 = 'sha1'; |
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/** |
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* @var string Hash algorithm |
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*/ |
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protected $algorithm; |
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/** |
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* @var int Count of parts |
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*/ |
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protected $partCount; |
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/** |
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* @var int Length of each part |
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*/ |
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protected $partLength; |
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/** |
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* @var bool |
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*/ |
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protected $shouldFullFilenameBeKept; |
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/** |
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* @param string $algorithm |
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* @param int $partCount |
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* @param int $partLength |
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* @param bool $shouldFullFilenameBeKept |
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*/ |
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public function __construct($algorithm = self::ALGORITHM_MD5, $partCount = 2, $partLength = 2, $shouldFullFilenameBeKept = false) |
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{ |
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$this->algorithm = (string)$algorithm; |
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$this->partCount = (int)$partCount; |
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$this->partLength = (int)$partLength; |
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$this->shouldFullFilenameBeKept = (bool)$shouldFullFilenameBeKept; |
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} |
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2 |
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/** |
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* @param FileInfo $srcFileInfo |
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* @param string $hash |
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* |
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* @return FileInfo |
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*/ |
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public function provideNameByHash(FileInfo $srcFileInfo, $hash) |
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{ |
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$pathSuffixParts = array(); |
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for ($i = 0; $i < $this->partCount; $i++) { |
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$pathSuffixParts[] = substr($hash, $i * $this->partLength, $this->partLength); |
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} |
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if ($this->shouldFullFilenameBeKept) { |
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$name = $hash; |
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} else { |
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$name = substr($hash, $i * $this->partLength); |
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} |
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$pathSuffix = implode(FileInfo::SEPARATOR_DIRECTORY, $pathSuffixParts); |
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$dstFileInfo = $srcFileInfo |
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->changeBasename($name) |
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->changePath($srcFileInfo->getPath().FileInfo::SEPARATOR_DIRECTORY.$pathSuffix) |
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; |
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return $dstFileInfo; |
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} |
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2 |
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/** |
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* @return string |
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2 |
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*/ |
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public function getAlgorithm() |
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{ |
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return $this->algorithm; |
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} |
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2 |
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/** |
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* @return int |
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2 |
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*/ |
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public function getPartCount() |
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{ |
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return $this->partCount; |
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} |
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/** |
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* @return int |
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*/ |
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public function getPartLength() |
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{ |
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return $this->partLength; |
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} |
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/** |
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* @return boolean |
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*/ |
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public function shouldFullFilenameBeKept() |
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{ |
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return $this->shouldFullFilenameBeKept; |
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} |
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} |
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bocharsky-bw /
FileNamingResolver
