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<?php |
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namespace Solvire\API\Serializers\DataFields; |
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use Solvire\Utilities\OptionsChecker as Ch; |
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/** |
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* |
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* I think some fields are not easily mappable. I have a feeling this kind of thing will be needed a lot. |
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* My first example was changing a columnar data set into a row based set with mappings |
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* |
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* @see /examples for the transformer |
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* @author solvire <[email protected]> |
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* @package DataFields |
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* @namespace Solvire\API\Serializers\DataFields |
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*/ |
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class TransformerField extends DataField |
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{ |
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protected $requiredFields = [ |
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'transformer', |
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'callback' |
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]; |
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/** |
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* @var \League\Fractal\TransformerAbstract $transformer |
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*/ |
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protected $transformer = null; |
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/** |
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* |
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* @var closure |
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*/ |
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protected $callback = null; |
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/** |
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* |
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* |
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* @param array $options |
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*/ |
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public function __construct($options) |
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{ |
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Ch::ek($options, $this->requiredFields); |
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$this->transformer = $options['transformer']; |
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$this->callback = $options['callback']; |
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// make sure that the transformer is set up properly |
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if(! $this->transformer instanceof \League\Fractal\TransformerAbstract) |
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{ |
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throw new \RuntimeException("Your transformer must be of type League\Fractal\TransformerAbstract on " . $this->name ); |
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} |
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if(!method_exists($this->transformer, 'transform')) |
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{ |
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throw new \RuntimeException("Your transformer must implement the transform function "); |
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} |
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parent::__construct($options); |
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} |
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/** |
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* |
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* @return object \League\Fractal\TransformerAbstract |
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*/ |
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public function getTransformer() |
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{ |
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return $this->transformer; |
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} |
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/** |
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* (non-PHPdoc) |
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* @see \Solvire\API\Serializers\DataFields\DataField::getData() |
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*/ |
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public function getData() |
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{ |
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return $this->transformer->transform($this->data); |
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} |
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/** |
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* |
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* @param Model $model |
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*/ |
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public function setData($model) |
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{ |
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$cb = $this->callback; |
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$this->data = $cb($model); |
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return $this; |
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} |
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} |
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solvire /
php-hypermedia-api
