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<?php |
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namespace PubPeerFoundation\PublicationDataExtractor\Resources\Extractors; |
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use PubPeerFoundation\PublicationDataExtractor\Output; |
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use PubPeerFoundation\PublicationDataExtractor\Schema; |
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use PubPeerFoundation\PublicationDataExtractor\Exceptions\UnparseableApiException; |
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use PubPeerFoundation\PublicationDataExtractor\Exceptions\JournalTitleNotFoundException; |
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abstract class Extractor |
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{ |
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/** |
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* @var mixed |
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*/ |
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protected $document; |
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/** |
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* @var array |
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*/ |
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protected $searchTree; |
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/** |
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* Temporary Resource output array. |
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* |
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* @var array |
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*/ |
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protected $resourceOutput = []; |
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/** |
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* Global Output object. |
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* |
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* @var Output |
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*/ |
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protected $output; |
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/** |
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* Extractor constructor. |
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* |
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* @param mixed $document |
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* @param Output $output |
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*/ |
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public function __construct($document, Output $output) |
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{ |
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$this->document = $document; |
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$this->output = $output; |
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} |
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/** |
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* Dynamically choose what methods to call on each Resource. |
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* |
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* @return array |
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*/ |
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public function extract(): array |
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{ |
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try { |
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$this->fillSearchTree(); |
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foreach (Schema::getDataTypes() as $type) { |
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$this->extractData($type); |
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$this->buildOutput($type); |
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} |
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$this->addOutputSource(); |
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return $this->resourceOutput; |
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} catch (UnparseableApiException $e) { |
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return []; |
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} |
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} |
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/** |
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* Prepare each data document. |
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* |
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* @throws UnparseableApiException |
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*/ |
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abstract protected function fillSearchTree(): void; |
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/** |
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* Set the source of the data on the data. |
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*/ |
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protected function addOutputSource(): void |
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{ |
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if (! empty($this->output)) { |
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$this->resourceOutput['_source'] = get_class_name($this); |
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} |
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} |
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/** |
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* Extract data from each type of the Resource. |
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* |
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* @param $type |
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*/ |
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protected function extractData($type): void |
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{ |
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$class = __NAMESPACE__.'\\Provides'.ucfirst($type).'Data'; |
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if ($this instanceof $class) { |
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$method = 'extract'.ucfirst($type).'Data'; |
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try { |
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$this->$method(); |
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} catch (JournalTitleNotFoundException $e) { |
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$this->resourceOutput['journal']['title'] = $this->resourceOutput['journal']['publisher']; |
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} |
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} |
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} |
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/** |
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* Build data output for each Resource type. |
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* |
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* @param $type |
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*/ |
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protected function buildOutput($type): void |
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{ |
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if (isset($this->resourceOutput[$type])) { |
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$method = 'add'.ucfirst($type); |
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$this->output->$method($this->resourceOutput[$type]); |
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} |
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} |
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} |
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PubPeerFoundation /
PublicationDataExtractor
