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<?php |
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namespace LegalThings\DataEnricher\Processor; |
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use LegalThings\DataEnricher\Node; |
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use LegalThings\DataEnricher\Processor; |
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/** |
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* Merge multiple object into one |
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*/ |
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class Merge implements Processor |
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{ |
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use Processor\Implementation; |
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/** |
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* Apply processing to a single node |
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* |
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* @param Node $node |
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*/ |
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View Code Duplication |
public function applyToNode(Node $node) |
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{ |
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$instruction = $node->getInstruction($this); |
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$list = $this->resolve($instruction); |
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if (isset($list) && !is_array($list)) { |
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throw new \Exception("Unable to apply {$this->property} processing instruction:" |
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. " Expected an array, got a " . (is_object($list) ? get_class($list) . ' ' : '') . gettype($list)); |
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} |
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$result = $this->execute((array)$list); |
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$node->setResult($result); |
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} |
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/** |
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* Resolve processing nodes in the instruction |
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* |
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* @param array $list |
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* @return array |
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*/ |
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View Code Duplication |
public function resolve($list) |
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{ |
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if ($list instanceof Node) { |
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$list = $list->getResult(); |
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} |
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if (is_array($list)) { |
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foreach ($list as &$item) { |
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if ($item instanceof Node) { |
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$item = $item->getResult(); |
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} |
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if ($item instanceof \Traversable) { |
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$item = iterator_to_array($item); |
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} |
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} |
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} |
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return $list; |
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} |
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/** |
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* Merge properties of an object |
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* |
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* @param array $list |
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* @return \stdClass|array|string |
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*/ |
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protected function execute(array $list) |
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{ |
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if (empty($list)) { |
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return null; |
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} |
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$scalar = []; |
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foreach ($list as $key => &$item) { |
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if (!isset($item)) { |
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unset($list[$key]); |
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continue; |
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} |
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if (is_object($item)) { |
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$item = get_object_vars($item); |
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} |
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$scalar[] = is_scalar($item); |
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} |
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if (count(array_unique($scalar)) > 1) { |
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throw new \Exception("Unable to apply {$this->property} processing instruction:" |
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. " Mixture of scalar and non-scalar values"); |
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} |
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if (count($scalar) > 0 && $scalar[0]) { |
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$result = join('', $list); |
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} else { |
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if (empty($list)) { |
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return null; |
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} |
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$result = call_user_func_array('array_merge', $list); |
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// Is associative array |
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if (array_keys($result) !== array_keys(array_keys($result))) { |
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$result = (object)$result; |
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} |
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} |
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return $result; |
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} |
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} |
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legalthings /
data-enricher
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.