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<?php |
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namespace W2w\Laravel\Apie\Plugins\Illuminate\DataLayers; |
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use Illuminate\Database\DatabaseManager; |
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use ReflectionClass; |
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use Symfony\Component\Serializer\Normalizer\DenormalizerInterface; |
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use Symfony\Component\Serializer\Normalizer\NormalizerInterface; |
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use W2w\Laravel\Apie\Exceptions\ApiResourceContextException; |
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use W2w\Laravel\Apie\Exceptions\FileNotFoundException; |
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use W2w\Lib\Apie\Core\SearchFilters\SearchFilterFromMetadataTrait; |
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use W2w\Lib\Apie\Core\SearchFilters\SearchFilterRequest; |
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use W2w\Lib\Apie\Exceptions\ResourceNotFoundException; |
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use W2w\Lib\Apie\Interfaces\ApiResourceRetrieverInterface; |
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use W2w\Lib\Apie\Interfaces\ResourceSerializerInterface; |
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use W2w\Lib\Apie\Interfaces\SearchFilterProviderInterface; |
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/** |
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* Does a SQL query and maps the output to a domain object. The result set should have an id returned to retrieve |
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* single records. |
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*/ |
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class DatabaseQueryRetriever implements ApiResourceRetrieverInterface, SearchFilterProviderInterface |
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{ |
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use SearchFilterFromMetadataTrait; |
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private $db; |
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private $serializer; |
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/** |
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* @param DatabaseManager $db |
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* @param NormalizerInterface $normalizer |
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* @param DenormalizerInterface $denormalizer |
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*/ |
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public function __construct(DatabaseManager $db, ResourceSerializerInterface $serializer) |
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{ |
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$this->db = $db; |
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$this->serializer = $serializer; |
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} |
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/** |
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* Retrieves a single resource. |
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* |
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* @param string $resourceClass |
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* @param mixed $id |
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* @param array $context |
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* @return array|object |
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*/ |
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public function retrieve(string $resourceClass, $id, array $context) |
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{ |
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$query = $this->getFindQuery($resourceClass, $context); |
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if (empty($query)) { |
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throw new ApiResourceContextException($resourceClass, 'a query_single or query_single_file'); |
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} |
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$result = $this->db->select($this->db->raw($query), ['id' => $id]); |
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if (empty($result)) { |
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throw new ResourceNotFoundException($id); |
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} |
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return $this->serializer->hydrateWithReflection((array) $result[0], $resourceClass); |
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} |
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/** |
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* Retrieves all results. |
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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 $searchFilterRequest): iterable |
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{ |
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$query = $this->getAllQuery($resourceClass, $context); |
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if (empty($query)) { |
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throw new ApiResourceContextException($resourceClass, 'a query or query_file'); |
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} |
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$parameters = [ |
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'offset' => $searchFilterRequest->getOffset(), |
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'limit' => $searchFilterRequest->getNumberOfItems() |
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]; |
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$count = 0; |
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$query = 'SELECT * FROM (' . $query . ') AS subquery WHERE 1 = 1'; |
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foreach ($searchFilterRequest->getSearches() as $name => $value) { |
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$query .= ' AND `' . $name . '` = :var' . $count; |
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$parameters['var' . $count] = $value; |
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$count++; |
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} |
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$result = $this->db->select( |
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$this->db->raw( |
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$query . ' LIMIT :offset, :limit' |
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), |
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$parameters |
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); |
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return $this->serializer->hydrateWithReflection((array) $result, $resourceClass . '[]'); |
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} |
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/** |
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* Returns the query to retrieve all rows. |
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* |
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* @param string $resourceClass |
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* @param array $context |
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* @return string |
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*/ |
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private function getAllQuery(string $resourceClass, array $context): ?string |
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{ |
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if (!empty($context['query_file'])) { |
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$classNameFile = (new ReflectionClass($resourceClass))->getFileName(); |
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if (!$classNameFile) { |
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throw new FileNotFoundException($resourceClass); |
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} |
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$filename = dirname($classNameFile) . DIRECTORY_SEPARATOR . $context['query_file']; |
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if (!file_exists($filename)) { |
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throw new FileNotFoundException($filename); |
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} |
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$context['query'] = file_get_contents($filename); |
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} |
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return $context['query'] ?? null; |
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} |
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/** |
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* Returns the query to retrieve a single resource. |
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* |
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* @param string $resourceClass |
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* @param array $context |
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* @return string |
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*/ |
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private function getFindQuery(string $resourceClass, array $context): ?string |
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{ |
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if (!empty($context['query_single_file'])) { |
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$classNameFile = (new ReflectionClass($resourceClass))->getFileName(); |
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if (!$classNameFile) { |
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throw new FileNotFoundException($resourceClass); |
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} |
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$filename = dirname($classNameFile) . DIRECTORY_SEPARATOR . $context['query_single_file']; |
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if (!file_exists($filename)) { |
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throw new FileNotFoundException($filename); |
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} |
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$context['query_single'] = file_get_contents($filename); |
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} |
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if (empty($context['query_single'])) { |
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$allQuery = $this->getAllQuery($resourceClass, $context); |
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if (!empty($allQuery)) { |
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return 'SELECT * FROM (' . $allQuery . ') AS subquery WHERE id = :id'; |
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} |
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} |
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return $context['query_single'] ?? null; |
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} |
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} |
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pjordaan /
laravel-apie
