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<?php |
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/* |
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* 2017 Romain CANON <[email protected]> |
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* |
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* This file is part of the TYPO3 FormZ project. |
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* It is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License, either |
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* version 3 of the License, or any later version. |
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* |
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* For the full copyright and license information, see: |
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* http://www.gnu.org/licenses/gpl-3.0.html |
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*/ |
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namespace Romm\Formz\Form\Service; |
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use Romm\Formz\Core\Core; |
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use Romm\Formz\Form\FormObject; |
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use Romm\Formz\Form\Service\DataObject\FormIdentifierObject; |
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use Romm\Formz\Service\HashService; |
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class FormObjectHash |
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{ |
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/** |
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* @var FormObject |
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*/ |
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protected $formObject; |
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/** |
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* @var string |
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*/ |
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protected $hash; |
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/** |
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* @var FormIdentifierObject |
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*/ |
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protected $identifierObject; |
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/** |
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* @param FormObject $formObject |
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*/ |
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public function __construct(FormObject $formObject) |
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{ |
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$this->formObject = $formObject; |
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$this->identifierObject = Core::instantiate(FormIdentifierObject::class, $formObject); |
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} |
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/** |
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* Returns the hash of the form object, which should be calculated only once |
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* for performance concerns. |
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* |
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* @return string |
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*/ |
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public function getHash() |
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{ |
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if (null === $this->hash) { |
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$this->hash = $this->calculateHash(); |
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} |
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return $this->hash; |
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} |
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/** |
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* Resets the hash, which will be calculated on next access. |
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*/ |
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public function resetHash() |
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{ |
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$this->hash = null; |
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} |
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/** |
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* @see \Romm\Formz\Form\FormObject::getFormIdentifierHash() |
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* |
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* @return string |
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*/ |
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public function getFormIdentifierHash() |
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{ |
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return $this->identifierObject->getIdentifierHash(); |
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} |
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/** |
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* @see \Romm\Formz\Form\FormObject::getFormIdentifierObject() |
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* |
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* @param string $identifier |
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* @return FormIdentifierObject |
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*/ |
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public function getFormIdentifierObject($identifier) |
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{ |
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$this->identifierObject->analyzeIdentifierHash($identifier); |
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return $this->identifierObject; |
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} |
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/** |
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* Returns the calculated hash of the form object. |
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* |
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* @return string |
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*/ |
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protected function calculateHash() |
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{ |
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return HashService::get()->getHash(serialize($this->formObject)); |
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} |
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/** |
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* Injects external dependencies. |
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*/ |
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public function __wakeup() |
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{ |
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$this->identifierObject = Core::instantiate(FormIdentifierObject::class, $this->formObject); |
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} |
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/** |
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* @return array |
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*/ |
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public function __sleep() |
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{ |
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$properties = get_object_vars($this); |
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unset($properties['identifierObject']); |
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return array_keys($properties); |
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} |
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} |
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romm /
formz
