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<?php |
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namespace Smart\EtlBundle\Extractor; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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use Symfony\Component\Yaml\Yaml; |
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/** |
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* Nicolas Bastien <[email protected]> |
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*/ |
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class YamlEntityExtractor extends AbstractFolderExtrator implements ExtractorInterface |
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{ |
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/** |
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* List of entities to extract |
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* [ |
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* 'entity_code' => 'Model Classname' |
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* ] |
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* @var array |
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*/ |
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protected $processEntities; |
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/** |
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* @var array |
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*/ |
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protected $entities = []; |
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/** |
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* @var PropertyAccessor |
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*/ |
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protected $accessor; |
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/** |
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* @return array |
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*/ |
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public function getProcessEntities() |
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{ |
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return $this->processEntities; |
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} |
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/** |
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* @param array $processEntities |
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*/ |
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public function setProcessEntities($processEntities) |
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{ |
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$this->processEntities = $processEntities; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function extract() |
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{ |
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try { |
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$this->check(); |
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$files = $this->getFiles(); |
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foreach ($files as $filename) { |
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$this->processFile($filename); |
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} |
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} catch (\Exception $e) { |
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throw $e; |
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} |
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} |
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protected function check() |
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{ |
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parent::check(); |
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if (count($this->processEntities) === 0) { |
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throw new \BadMethodCallException('Nothing to process'); |
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} |
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} |
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/** |
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* @param string $filename |
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*/ |
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protected function processFile($filename) |
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{ |
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$filepath = sprintf('%s/%s.yml', $this->folderToExtract, $filename); |
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$data = Yaml::parse(file_get_contents($filepath)); |
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foreach ($data as $values) { |
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$object = $this->processObject($filename, $values); |
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if ($object !== null) { |
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//todo add dynamic identifier instead of code |
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$this->entities[$object->getCode()] = $object; |
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} |
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} |
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} |
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/** |
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* @param string $entityType |
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* @param array $data |
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* @return mixed |
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* @throws \Exception |
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*/ |
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protected function processObject($entityType, array $data) |
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{ |
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if (!isset($this->processEntities[$entityType])) { |
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throw new \Exception('Entity type ' . $entityType . ' is not handled'); |
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} |
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$objectClass = $this->processEntities[$entityType]; |
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$object = new $objectClass(); |
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foreach ($data as $key => $value) { |
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$valueToSet = $value; |
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if (strpos($value, '@') === 0) { |
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//handle relations |
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$valueToSet = $this->getEntity($value); |
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} |
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$this->accessor->setValue($object, $key, $valueToSet); |
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} |
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return $object; |
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} |
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/** |
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* @param string $identifier |
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* @return mixed |
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* @throws \Exception |
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*/ |
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protected function getEntity($identifier) |
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{ |
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if (strpos($identifier, '@') === 0) { |
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$identifier = substr($identifier, 1); |
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} |
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if (!isset($this->entities[$identifier])) { |
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throw new \Exception('Entity identifed by ' . $identifier . ' not found'); |
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} |
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return $this->entities[$identifier]; |
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} |
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} |
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smartbooster /
etl-bundle
This check looks for function calls that miss required arguments.