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<?php |
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namespace SebastianBerc\Repositories\Services; |
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use Illuminate\Contracts\Container\Container as Application; |
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use Illuminate\Support\Collection; |
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use SebastianBerc\Repositories\Contracts\ServiceInterface; |
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use SebastianBerc\Repositories\Contracts\TransformerInterface; |
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use SebastianBerc\Repositories\Exceptions\InvalidTransformer; |
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use SebastianBerc\Repositories\Repository; |
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/** |
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* Class TransformService. |
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* |
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* @author Sebastian Berć <[email protected]> |
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* @copyright Copyright (c) Sebastian Berć |
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*/ |
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class TransformService implements ServiceInterface |
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{ |
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/** |
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* Contains Laravel Application instance. |
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* |
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* @var Application |
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*/ |
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protected $app; |
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/** |
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* Contains a repository instance. |
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* |
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* @var Repository |
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*/ |
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protected $repository; |
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/** |
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* Create a new transform service instance. |
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* |
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* @param Application $app |
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* @param Repository $repository |
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*/ |
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public function __construct(Application $app, Repository $repository) |
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{ |
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$this->app = $app; |
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$this->repository = $repository; |
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} |
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/** |
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* Execute transform method on specified transformer. |
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* |
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* @param Collection $collection |
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* |
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* @throws InvalidTransformer |
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* |
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* @return Collection |
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*/ |
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public function executeOn(Collection $collection) |
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{ |
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if (empty($collection) || $collection->first() === null) { |
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return $collection; |
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} |
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$transformer = $this->repository->transformer; |
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if (!(new \ReflectionClass($transformer))->implementsInterface(TransformerInterface::class)) { |
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throw new InvalidTransformer(); |
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} |
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/** @var TransformerInterface $transformer */ |
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$transformer = new $transformer($collection); |
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return $transformer->execute(); |
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} |
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} |
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