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<?php |
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namespace Spatie\Fractalistic; |
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use Traversable; |
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use League\Fractal\Manager; |
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use League\Fractal\Serializer\SerializerAbstract; |
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use Spatie\Fractalistic\Exceptions\InvalidFractalHelperArgument; |
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class FractalFactory |
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{ |
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/** @var \Spatie\Fractalistic\Fractal */ |
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protected $fractal; |
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/** @var array */ |
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protected $arguments; |
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public function __construct(array $arguments) |
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{ |
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$this->fractal = new Fractal(new Manager()); |
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$this->arguments = $arguments; |
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} |
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/** |
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* @return \Spatie\Fractalistic\Fractal |
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* |
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* @throws \Spatie\Fractalistic\Exceptions\InvalidFractalHelperArgument |
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*/ |
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public function getFractalInstance() |
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{ |
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if (count($this->arguments) === 1) { |
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throw InvalidFractalHelperArgument::secondArgumentMissing(); |
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} |
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if (count($this->arguments) >= 2) { |
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$this->setData($this->arguments[0]); |
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$this->setTransformer($this->arguments[1]); |
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} |
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if (count($this->arguments) >= 3) { |
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$this->setSerializer($this->arguments[2]); |
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} |
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if (count($this->arguments) > 3) { |
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throw InvalidFractalHelperArgument::tooManyArguments($this->arguments); |
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} |
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return $this->fractal; |
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} |
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/** |
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* @param mixed $data |
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*/ |
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public function setData($data) |
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{ |
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$dataType = $this->determineDataType($data); |
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$this->fractal->data($dataType, $data); |
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} |
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/** |
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* @param mixed $data |
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* |
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* @return string |
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*/ |
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protected function determineDataType($data) |
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{ |
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if (is_array($data)) { |
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return 'collection'; |
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} |
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if ($data instanceof Traversable) { |
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return 'collection'; |
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} |
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return 'item'; |
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} |
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/** |
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* @param callable|\League\Fractal\TransformerAbstract $transformer |
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*/ |
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protected function setTransformer($transformer) |
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{ |
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$this->fractal->transformWith($transformer); |
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} |
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/** |
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* @param \League\Fractal\Serializer\SerializerAbstract $serializer |
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*/ |
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protected function setSerializer(SerializerAbstract $serializer) |
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{ |
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$this->fractal->serializeWith($serializer); |
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} |
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} |
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spatie /
fractalistic
