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<?php |
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namespace W2w\Lib\Apie\Plugins\FileStorage\DataLayers; |
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use Pagerfanta\Pagerfanta; |
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use ReflectionClass; |
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use Symfony\Component\Finder\Finder; |
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use W2w\Lib\Apie\Core\IdentifierExtractor; |
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use W2w\Lib\Apie\Core\SearchFilters\SearchFilterFromMetadataTrait; |
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use W2w\Lib\Apie\Core\SearchFilters\SearchFilterRequest; |
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use W2w\Lib\Apie\Exceptions\CouldNotMakeDirectoryException; |
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use W2w\Lib\Apie\Exceptions\CouldNotRemoveFileException; |
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use W2w\Lib\Apie\Exceptions\CouldNotWriteFileException; |
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use W2w\Lib\Apie\Exceptions\InvalidIdException; |
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use W2w\Lib\Apie\Exceptions\ResourceNotFoundException; |
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use W2w\Lib\Apie\Interfaces\ApiResourcePersisterInterface; |
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use W2w\Lib\Apie\Interfaces\ApiResourceRetrieverInterface; |
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use W2w\Lib\Apie\Interfaces\SearchFilterProviderInterface; |
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use W2w\Lib\Apie\Plugins\FileStorage\Pagers\FilestoragePager; |
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class FileStorageDataLayer implements ApiResourcePersisterInterface, ApiResourceRetrieverInterface, SearchFilterProviderInterface |
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{ |
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use SearchFilterFromMetadataTrait; |
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/** |
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* @var string |
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*/ |
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private $folder; |
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/** |
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* @var IdentifierExtractor |
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*/ |
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private $identifierExtractor; |
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public function __construct(string $folder, IdentifierExtractor $identifierExtractor) |
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{ |
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$this->folder = $folder; |
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$this->identifierExtractor = $identifierExtractor; |
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} |
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/** |
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* Persist a new API resource. Should return the new API resource. |
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* |
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* @param mixed $resource |
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* @param array $context |
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* @return mixed |
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*/ |
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public function persistNew($resource, array $context = []) |
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{ |
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$id = $this->identifierExtractor->getIdentifierValue($resource, $context); |
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$this->store($resource, $id); |
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return $resource; |
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} |
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/** |
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* Persist an existing API resource. The input resource is the modified API resource. Should return the new API |
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* resource. |
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* |
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* @param mixed $resource |
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* @param mixed $int |
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* @param array $context |
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* @return mixed |
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*/ |
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public function persistExisting($resource, $int, array $context = []) |
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{ |
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$id = $this->identifierExtractor->getIdentifierValue($resource, $context); |
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if ((string) $id !== (string) $int) { |
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throw new InvalidIdException((string) $int); |
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} |
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$this->store($resource, $int); |
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return $resource; |
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} |
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/** |
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* Removes an existing API resource. |
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* |
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* @param string $resourceClass |
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* @param string|int $id |
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* @param array $context |
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* @return mixed |
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*/ |
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public function remove(string $resourceClass, $id, array $context) |
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{ |
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$file = $this->getFilename($resourceClass, $id); |
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if (!@unlink($file)) { |
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throw new CouldNotRemoveFileException($file); |
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} |
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} |
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/** |
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* Retrieves a single resource by some identifier. |
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* |
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* @param string $resourceClass |
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* @param string|int $id |
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* @param array $context |
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* @return mixed |
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*/ |
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public function retrieve(string $resourceClass, $id, array $context) |
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{ |
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$file = $this->getFilename($resourceClass, $id); |
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if (!file_exists($file)) { |
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throw new ResourceNotFoundException($id); |
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} |
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return unserialize(file_get_contents($file)); |
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} |
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/** |
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* Retrieves a list of resources with some pagination. |
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* |
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* @param string $resourceClass |
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* @param array $context |
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* @param SearchFilterRequest $searchFilterRequest |
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* @return Pagerfanta |
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*/ |
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public function retrieveAll(string $resourceClass, array $context, SearchFilterRequest $searchFilterRequest): iterable |
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{ |
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$folder = $this->getFolder($resourceClass); |
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$iterator = Finder::create()->files()->sortByName()->depth(0)->in($folder)->getIterator(); |
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$paginator = new Pagerfanta(new FilestoragePager($this, $iterator, $resourceClass, $context)); |
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$searchFilterRequest->updatePaginator($paginator); |
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return $paginator; |
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} |
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protected function getFolder(string $resourceClass): string |
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{ |
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$refl = new ReflectionClass($resourceClass); |
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$folder = $this->folder . DIRECTORY_SEPARATOR . $refl->getShortName(); |
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if (!is_dir($folder)) { |
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if (!@mkdir($folder, 0777, true)) { |
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throw new CouldNotMakeDirectoryException($folder); |
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}; |
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} |
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return $folder; |
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} |
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protected function getFilename(string $resourceClass, string $id): string |
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{ |
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if (!preg_match('/^[a-zA-Z0-9_.-]+$/', $id)) { |
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throw new InvalidIdException($id); |
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} |
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$folder = $this->getFolder($resourceClass); |
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return $folder . DIRECTORY_SEPARATOR . $id; |
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} |
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private function store($resource, string $id) { |
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$filename = $this->getFilename(get_class($resource), $id); |
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if (false === file_put_contents($filename, serialize($resource))) { |
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throw new CouldNotWriteFileException($filename); |
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}; |
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} |
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} |
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pjordaan /
apie
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