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<?php |
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namespace W2w\Lib\Apie\Retrievers; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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use Symfony\Component\PropertyAccess\PropertyAccessorInterface; |
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use W2w\Lib\Apie\Exceptions\CanNotDetermineIdException; |
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use W2w\Lib\Apie\Exceptions\ResourceNotFoundException; |
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use W2w\Lib\Apie\IdentifierExtractor; |
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use W2w\Lib\Apie\Persisters\ApiResourcePersisterInterface; |
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use W2w\Lib\Apie\SearchFilters\SearchFilterHelper; |
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use W2w\Lib\Apie\SearchFilters\SearchFilterRequest; |
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/** |
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* Persists and retrieves from an array in memory. Only useful for unit tests. |
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*/ |
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class MemoryDataLayer implements ApiResourcePersisterInterface, ApiResourceRetrieverInterface, SearchFilterProviderInterface |
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{ |
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use SearchFilterFromMetadataTrait; |
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/** |
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* @var PropertyAccessorInterface |
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*/ |
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private $propertyAccessor; |
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/** |
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* @var IdentifierExtractor |
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*/ |
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private $identifierExtractor; |
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/** |
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* @var mixed[] |
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*/ |
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private $persisted = []; |
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public function __construct(PropertyAccessor $propertyAccessor = null, IdentifierExtractor $identifierExtractor = null) |
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{ |
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$this->propertyAccessor = $propertyAccessor ?? PropertyAccess::createPropertyAccessor(); |
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$this->identifierExtractor = $identifierExtractor ?? new IdentifierExtractor($this->propertyAccessor); |
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} |
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/** |
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* Persist a new API resource. Should return the new API resource. |
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* |
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* @param mixed $resource |
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* @param array $context |
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* @return mixed |
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*/ |
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public function persistNew($resource, array $context = []) |
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{ |
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$className = get_class($resource); |
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$identifier = $this->identifierExtractor->getIdentifierKey($resource, $context) ?? 'id'; |
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$keepReference = $context['keep_reference'] ?? false; |
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if (!$this->propertyAccessor->isReadable($resource, $identifier)) { |
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throw new CanNotDetermineIdException($resource, $identifier); |
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} |
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$id = (string) $this->propertyAccessor->getValue($resource, $identifier); |
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if (empty($this->persisted[$className])) { |
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$this->persisted[$className] = []; |
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} |
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if (!$keepReference) { |
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$resource = clone $resource; |
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} |
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$this->persisted[$className][$id] = $resource; |
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return $resource; |
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} |
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/** |
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* Persist an existing API resource. The input resource is the modified API resource. Should return the new API |
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* resource. |
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* |
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* @param mixed $resource |
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* @param string|int $int |
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* @param array $context |
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* @return mixed |
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*/ |
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public function persistExisting($resource, $int, array $context = []) |
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{ |
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$className = get_class($resource); |
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$keepReference = $context['keep_reference'] ?? false; |
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if (!$keepReference) { |
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$resource = clone $resource; |
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} |
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$this->persisted[$className][(string) $int] = $resource; |
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return $resource; |
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} |
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/** |
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* Removes an existing API resource. |
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* |
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* @param string $resourceClass |
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* @param $id |
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* @param array $context |
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* @return mixed |
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*/ |
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public function remove(string $resourceClass, $id, array $context) |
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{ |
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if (!empty($this->persisted[$resourceClass][$id])) { |
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unset($this->persisted[$resourceClass][$id]); |
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} |
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} |
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/** |
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* Retrieves a single resource by some identifier. |
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* |
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* @param string $resourceClass |
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* @param string|int $id |
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* @param array $context |
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* @return mixed |
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*/ |
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public function retrieve(string $resourceClass, $id, array $context) |
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{ |
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$id = (string) $id; |
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if (empty($this->persisted[$resourceClass][$id])) { |
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throw new ResourceNotFoundException($id); |
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} |
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return $this->persisted[$resourceClass][$id]; |
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} |
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/** |
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* Retrieves a list of resources with some pagination. |
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* |
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* @param string $resourceClass |
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* @param array $context |
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* @param SearchFilterRequest $searchFilterRequest |
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* @return iterable |
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*/ |
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public function retrieveAll(string $resourceClass, array $context, SearchFilterRequest $searchFilterRequest): iterable |
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{ |
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if (empty($this->persisted[$resourceClass])) { |
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return []; |
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} |
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return SearchFilterHelper::applySearchFilter( |
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$this->persisted[$resourceClass], |
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$searchFilterRequest, |
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$this->propertyAccessor |
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); |
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} |
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} |
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pjordaan /
apie
