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<?php |
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/** |
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* Common functions for constraints, mostly here for performance reasons |
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*/ |
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namespace Graviton\SchemaBundle\Constraint; |
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use Doctrine\ODM\MongoDB\DocumentManager; |
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use Graviton\JsonSchemaBundle\Validator\Constraint\Event\ConstraintEventSchema; |
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use Graviton\RestBundle\Service\RestUtils; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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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 ConstraintUtils |
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{ |
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/** |
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* @var array |
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*/ |
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private $entities = []; |
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/** |
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* @var \stdClass |
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*/ |
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private $currentSchema; |
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/** |
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* @var \stdClass |
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*/ |
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private $currentData; |
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/** |
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* @var RequestStack |
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*/ |
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private $requestStack; |
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/** |
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* Constructor. |
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* |
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* @param DocumentManager $dm DocumentManager |
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* @param RestUtils $restUtils RestUtils |
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* @param RequestStack $requestStack RequestStack |
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* |
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*/ |
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public function __construct(DocumentManager $dm, RestUtils $restUtils, RequestStack $requestStack) |
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{ |
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$this->dm = $dm; |
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$this->restUtils = $restUtils; |
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$this->requestStack = $requestStack; |
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} |
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/** |
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* Gets a entity from the database as a generic object. All constraints that need the saved data to compare |
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* values or anything should call this function to get what they need. As this is cached in the instance, |
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* it will fetched only once even if multiple constraints need that object. |
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* |
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* @param string $documentClass document class |
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* @param string $recordId record id |
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* |
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* @throws \Doctrine\ODM\MongoDB\LockException |
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* @throws \Exception |
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* |
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* @return object|null entity |
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*/ |
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public function getSerializedEntity($documentClass, $recordId) |
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{ |
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if (!isset($this->entities[$documentClass][$recordId])) { |
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$current = $this->dm->getRepository($documentClass)->find($recordId); |
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if (is_null($current)) { |
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$this->entities[$documentClass][$recordId] = null; |
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} else { |
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$this->entities[$documentClass][$recordId] = json_decode($this->restUtils->serializeContent($current)); |
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} |
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} |
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return $this->entities[$documentClass][$recordId]; |
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} |
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/** |
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* Returns the current request entity (as \stdClass) if possible |
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* |
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* @return null|object |
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*/ |
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public function getCurrentEntity() |
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{ |
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$currentRecordId = null; |
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// first, let's the one from the payload.. |
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if (isset($this->currentData->id)) { |
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$currentRecordId = $this->currentData->id; |
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} |
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// if we have a request, it must override it.. |
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if ($this->requestStack->getCurrentRequest() instanceof Request && |
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$this->requestStack->getCurrentRequest()->attributes->has('id') |
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) { |
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$currentRecordId = $this->requestStack->getCurrentRequest()->attributes->get('id'); |
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} |
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if (isset($this->currentSchema->{'x-documentClass'}) && |
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!empty($this->currentSchema->{'x-documentClass'}) && |
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!is_null($currentRecordId) |
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) { |
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return $this->getSerializedEntity($this->currentSchema->{'x-documentClass'}, $currentRecordId); |
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} |
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return null; |
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} |
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/** |
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* gets the current schema. helpful for field schema validators that need access to the whole schema in some way. |
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* |
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* @return \stdClass |
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*/ |
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public function getCurrentSchema() |
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{ |
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return $this->currentSchema; |
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} |
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/** |
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* gets the current data from the client (the whole object). |
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* helpful for field schema validators that need access to the whole data in some way. |
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* |
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* @return \stdClass |
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*/ |
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public function getCurrentData() |
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{ |
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return $this->currentData; |
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} |
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/** |
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* called on the first schema validation, before anything else. |
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* |
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* @param ConstraintEventSchema $event event |
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* |
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* @return void |
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*/ |
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public function onSchemaValidation(ConstraintEventSchema $event) |
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{ |
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$this->currentSchema = $event->getSchema(); |
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$this->currentData = $event->getElement(); |
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} |
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} |
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libgraviton /
graviton
