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<?php |
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namespace As3\Modlr\Persister\MongoDb; |
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use As3\Modlr\Exception\MetadataException; |
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use As3\Modlr\Metadata\EntityMetadata; |
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use As3\Modlr\Metadata\Interfaces\StorageMetadataFactoryInterface; |
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use As3\Modlr\Util\EntityUtility; |
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/** |
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* Creates MongoDb storage Metadata instances for use with metadata drivers. |
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* Is also responsible for validating storage objects. |
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* |
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* @author Jacob Bare <[email protected]> |
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*/ |
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final class StorageMetadataFactory implements StorageMetadataFactoryInterface |
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{ |
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/** |
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* @var EntityUtility |
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*/ |
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private $entityUtil; |
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/** |
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* Constructor. |
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* |
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* @param EntityUtility $entityUtil |
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*/ |
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public function __construct(EntityUtility $entityUtil) |
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{ |
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$this->entityUtil = $entityUtil; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function createInstance(array $mapping) |
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{ |
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$persistence = new StorageMetadata(); |
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if (isset($mapping['db'])) { |
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$persistence->db = $mapping['db']; |
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} |
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if (isset($mapping['collection'])) { |
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$persistence->collection = $mapping['collection']; |
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} |
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if (isset($mapping['schemata'])) { |
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$persistence->schemata = $this->rksort($mapping['schemata']); |
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} |
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return $persistence; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function handleLoad(EntityMetadata $metadata) |
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{ |
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if (null === $metadata->persistence->collection) { |
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$metadata->persistence->collection = $metadata->type; |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function handleValidate(EntityMetadata $metadata) |
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{ |
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$this->validateIdStrategy($metadata); |
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$this->validateDatabase($metadata); |
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$this->validateCollectionNaming($metadata); |
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$this->validateSchemata($metadata); |
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} |
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/** |
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* Recursively ksorts an array |
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* @param array |
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* @return array |
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*/ |
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private function rksort(array $array) |
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{ |
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ksort($array); |
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foreach ($array as $k => $v) { |
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if (is_array($v)) { |
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$array[$k] = $this->rksort($v); |
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} |
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} |
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return $array; |
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} |
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/** |
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* Validates that the collection naming is correct, based on entity format config. |
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* |
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* @param EntityMetadata $metadata |
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* @throws MetadataException |
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*/ |
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private function validateCollectionNaming(EntityMetadata $metadata) |
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{ |
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$persistence = $metadata->persistence; |
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if (false === $this->entityUtil->isEntityTypeValid($persistence->collection)) { |
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throw MetadataException::invalidMetadata( |
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$metadata->type, |
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sprintf('The entity persistence collection "%s" is invalid based on the configured name format "%s"', |
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$persistence->collection, |
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$this->entityUtil->getRestConfig()->getEntityFormat() |
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) |
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); |
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} |
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} |
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/** |
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* Validates that the proper database properties are set. |
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* |
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* @param EntityMetadata $metadata |
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* @throws MetadataException |
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*/ |
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private function validateDatabase(EntityMetadata $metadata) |
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{ |
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$persistence = $metadata->persistence; |
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if (false === $metadata->isChildEntity() && (empty($persistence->db) || empty($persistence->collection))) { |
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throw MetadataException::invalidMetadata($metadata->type, 'The persistence database and collection names cannot be empty.'); |
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} |
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} |
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/** |
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* Validates the proper id strategy. |
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* |
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* @param EntityMetadata $metadata |
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* @throws MetadataException |
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*/ |
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private function validateIdStrategy(EntityMetadata $metadata) |
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{ |
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$persistence = $metadata->persistence; |
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$validIdStrategies = ['object']; |
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if (!in_array($persistence->idStrategy, $validIdStrategies)) { |
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throw MetadataException::invalidMetadata($metadata->type, sprintf('The persistence id strategy "%s" is invalid. Valid types are "%s"', $persistence->idStrategy, implode('", "', $validIdStrategies))); |
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} |
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} |
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/** |
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* Validates the schema definitions |
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* |
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* @param EntityMetadata $metadata |
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* @throws MetadataException |
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*/ |
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private function validateSchemata(EntityMetadata $metadata) |
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{ |
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$persistence = $metadata->persistence; |
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foreach ($persistence->schemata as $k => $schema) { |
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if (!isset($schema['keys']) || empty($schema['keys'])) { |
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throw MetadataException::invalidMetadata($metadata->type, 'At least one key must be specified to define an index.'); |
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} |
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$persistence->schemata[$k]['options']['name'] = sprintf('modlr_%s', md5(json_encode($schema))); |
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} |
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} |
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} |
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If you access a property on an interface, you most likely code against a concrete implementation of the interface.
Available Fixes
Adding an additional type check:
Changing the type hint: