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<?php |
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/** |
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* @link https://github.com/nnx-framework/form-comparator |
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* @author Malofeykin Andrey <[email protected]> |
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*/ |
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namespace Nnx\FormComparator\Comparator\CollectionDiffService; |
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use Zend\Form\ElementInterface; |
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use Zend\Form\FieldsetInterface; |
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/** |
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* Class HashElementBuilder |
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* |
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* @package Nnx\FormComparator\Comparator\CollectionDiffService |
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*/ |
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class HashElementBuilder |
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{ |
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/** |
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* Набор данных из которых строится хеш |
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* |
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* @var array |
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*/ |
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private $hashParts = []; |
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/** |
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* @param ElementInterface $element |
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* |
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* @return string |
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* @throws \Nnx\FormComparator\Comparator\CollectionDiffService\Exception\RuntimeException |
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*/ |
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public function hash(ElementInterface $element) |
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{ |
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$this->hashParts = []; |
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$this->buildHash($element); |
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ksort($this->hashParts, SORT_STRING); |
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$hashStack = []; |
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foreach ($this->hashParts as $key => $value) { |
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$hashStack[] = $key . '=' . $value; |
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} |
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return implode('|', $hashStack); |
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} |
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/** |
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* @param ElementInterface $element |
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* @param null|string $namePrefix |
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* |
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* @throws \Nnx\FormComparator\Comparator\CollectionDiffService\Exception\RuntimeException |
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*/ |
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protected function buildHash(ElementInterface $element, $namePrefix = null) |
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{ |
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if (null === $namePrefix) { |
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$elementName = $element->getName(); |
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} else { |
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$elementName = $namePrefix . '.' . $element->getName(); |
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} |
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if ($element instanceof FieldsetInterface) { |
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foreach ($element->getIterator() as $childElementOrFieldset) { |
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$this->buildHash($childElementOrFieldset, $elementName); |
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} |
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} else { |
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$this->hashParts[$elementName] = $this->normalizeValue($element->getValue()); |
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} |
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} |
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/** |
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* Представлет значение элемента формы в виде строки |
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* |
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* @param $rawValue |
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* |
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* @return string |
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* @throws \Nnx\FormComparator\Comparator\CollectionDiffService\Exception\RuntimeException |
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*/ |
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protected function normalizeValue($rawValue) |
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{ |
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if ($rawValue instanceof \DateTimeInterface) { |
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$value = (string)$rawValue->getTimestamp(); |
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} else { |
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$value = $rawValue; |
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$resultConvert = @settype($value, 'string'); |
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if (false === $resultConvert) { |
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throw new Exception\RuntimeException('Invalid type convert'); |
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} |
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} |
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return $value; |
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} |
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} |
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nnx-framework /
form-comparator
