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<?php |
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/** |
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* Field constraint that validates if the posted version is the same as the one in DB. |
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*/ |
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namespace Graviton\SchemaBundle\Constraint; |
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use Graviton\JsonSchemaBundle\Validator\Constraint\Event\ConstraintEventFormat; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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/** |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class VersionFieldConstraint |
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{ |
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/** @var ConstraintUtils */ |
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private $utils; |
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/** |
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* Constructor |
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* |
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* @param ConstraintUtils $utils Utils |
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*/ |
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public function __construct(ConstraintUtils $utils) |
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{ |
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$this->utils = $utils; |
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} |
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/** |
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* Check if the version is correct: |
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* -> Post, even if posted it should be version 1 |
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* -> Put, should be the same value. Reject if not. |
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* -> Patch, no check, only increment |
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* |
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* Default, if object have version as integer , increment 1. |
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* |
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* @param ConstraintEventFormat $event event class |
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* |
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* @return void |
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*/ |
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public function validate(ConstraintEventFormat $event) |
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{ |
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$schema = $event->getSchema(); |
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View Code Duplication |
if (!isset($schema->{'x-constraints'}) || |
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(is_array($schema->{'x-constraints'}) && !in_array('versioning', $schema->{'x-constraints'})) |
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) { |
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return; |
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} |
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// get the current recor |
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if ($currentRecord = $this->utils->getCurrentEntity()) { |
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$formVersion = $event->getElement(); |
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/** @var \JsonSchema\Entity\JsonPointer $pointer */ |
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$pointer = $event->getPath(); |
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$accessor = PropertyAccess::createPropertyAccessor(); |
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$path = $this->utils->getNormalizedPathFromPointer($pointer); |
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$storedVersion = $accessor->getValue($currentRecord, $path); |
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if ($storedVersion !== $formVersion) { |
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$event->addError( |
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sprintf( |
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'The version does not match %s, please update your data.', |
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'version: '.$storedVersion |
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) |
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); |
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return; |
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} |
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} |
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return; |
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} |
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} |
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libgraviton /
graviton
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.