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<?php |
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/* |
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* This file is part of the xAPI package. |
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* |
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* (c) Christian Flothmann <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Xabbuh\XApi\Serializer\Normalizer; |
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use Xabbuh\XApi\Model\Activity; |
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use Xabbuh\XApi\Model\Object; |
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use Xabbuh\XApi\Model\Statement; |
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use Xabbuh\XApi\Model\StatementReference; |
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use Xabbuh\XApi\Model\SubStatement; |
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/** |
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* Normalizes and denormalizes xAPI statement objects. |
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* |
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* @author Christian Flothmann <[email protected]> |
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*/ |
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final class ObjectNormalizer extends Normalizer |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function normalize($object, $format = null, array $context = array()) |
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{ |
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if ($object instanceof Activity) { |
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$activityData = array( |
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'objectType' => 'Activity', |
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'id' => $object->getId(), |
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); |
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if (null !== $definition = $object->getDefinition()) { |
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$activityData['definition'] = $this->normalizeAttribute($definition, $format, $context); |
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} |
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return $activityData; |
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} |
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if ($object instanceof StatementReference) { |
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return array( |
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'objectType' => 'StatementRef', |
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'id' => $object->getStatementId(), |
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); |
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} |
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if ($object instanceof SubStatement) { |
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$data = array( |
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'objectType' => 'SubStatement', |
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'actor' => $this->normalizeAttribute($object->getActor(), $format, $context), |
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'verb' => $this->normalizeAttribute($object->getVerb(), $format, $context), |
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'object' => $this->normalizeAttribute($object->getObject(), $format, $context), |
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); |
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if (null !== $result = $object->getResult()) { |
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$data['result'] = $this->normalizeAttribute($result, $format, $context); |
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} |
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if (null !== $statementContext = $object->getContext()) { |
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$data['context'] = $this->normalizeAttribute($statementContext, $format, $context); |
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} |
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return $data; |
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} |
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return null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supportsNormalization($data, $format = null) |
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{ |
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return $data instanceof Object; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function denormalize($data, $class, $format = null, array $context = array()) |
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{ |
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if (!isset($data['objectType']) || 'Activity' === $data['objectType']) { |
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return $this->denormalizeActivity($data, $format, $context); |
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} |
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if (isset($data['objectType']) && ('Agent' === $data['objectType'] || 'Group' === $data['objectType'])) { |
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return $this->denormalizeData($data, 'Xabbuh\XApi\Model\Actor', $format, $context); |
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} |
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if (isset($data['objectType']) && 'SubStatement' === $data['objectType']) { |
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return $this->denormalizeSubStatement($data, $format, $context); |
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} |
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if (isset($data['objectType']) && 'StatementRef' === $data['objectType']) { |
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return new StatementReference($data['id']); |
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} |
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return null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supportsDenormalization($data, $type, $format = null) |
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{ |
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return 'Xabbuh\XApi\Model\Activity' === $type || 'Xabbuh\XApi\Model\Object' === $type || 'Xabbuh\XApi\Model\StatementReference' === $type || 'Xabbuh\XApi\Model\SubStatement' === $type; |
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} |
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private function denormalizeActivity(array $data, $format = null, array $context = array()) |
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{ |
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$definition = null; |
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if (isset($data['definition'])) { |
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$definition = $this->denormalizeData($data['definition'], 'Xabbuh\XApi\Model\Definition', $format, $context); |
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} |
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return new Activity($data['id'], $definition); |
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} |
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private function denormalizeSubStatement(array $data, $format = null, array $context = array()) |
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{ |
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$actor = $this->denormalizeData($data['actor'], 'Xabbuh\XApi\Model\Actor', $format, $context); |
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$verb = $this->denormalizeData($data['verb'], 'Xabbuh\XApi\Model\Verb', $format, $context); |
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$object = $this->denormalizeData($data['object'], 'Xabbuh\XApi\Model\Object', $format, $context); |
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$result = null; |
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$statementContext = null; |
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if (isset($data['result'])) { |
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$result = $this->denormalizeData($data['result'], 'Xabbuh\XApi\Model\Result', $format, $context); |
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} |
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if (isset($data['context'])) { |
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$statementContext = $this->denormalizeData($data['context'], 'Xabbuh\XApi\Model\Context', $format, $context); |
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} |
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return new SubStatement(null, $actor, $verb, $object, $result, $statementContext); |
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} |
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} |
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php-xapi /
serializer
