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<?php |
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namespace NavJobs\Transmit; |
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use League\Fractal\Manager; |
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use League\Fractal\ParamBag; |
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use League\Fractal\Pagination\PaginatorInterface; |
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use League\Fractal\Serializer\SerializerAbstract; |
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use NavJobs\Transmit\Exceptions\InvalidTransformation; |
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use NavJobs\Transmit\Exceptions\NoTransformerSpecified; |
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class Fractal |
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{ |
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/** |
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* @var \League\Fractal\Manager |
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*/ |
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protected $manager; |
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/** |
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* @var \League\Fractal\Serializer\SerializerAbstract |
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*/ |
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protected $serializer; |
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/** |
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* @var \League\Fractal\TransformerAbstract|Callable |
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*/ |
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protected $transformer; |
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/** |
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* @var \League\Fractal\Pagination\PaginatorInterface |
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*/ |
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protected $paginator; |
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/** |
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* @var array |
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*/ |
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protected $includes = []; |
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/** |
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* Array containing modifiers as keys and an array value of params. |
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* |
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* @var array |
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*/ |
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protected $includeParams = []; |
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/** |
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* @var string |
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*/ |
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protected $dataType; |
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/** |
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* @var mixed |
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*/ |
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protected $data; |
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/** |
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* @var string |
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*/ |
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protected $resourceName; |
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/** |
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* @var array |
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*/ |
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protected $meta = []; |
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/** |
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* @param \League\Fractal\Manager $manager |
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*/ |
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public function __construct(Manager $manager) |
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{ |
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$this->manager = $manager; |
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} |
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/** |
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* Set the collection data that must be transformed. |
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* |
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* @param mixed $data |
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* @param \League\Fractal\TransformerAbstract|Callable|null $transformer |
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* @param string|null $resourceName |
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* |
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* @return $this |
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*/ |
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View Code Duplication |
public function collection($data, $transformer = null, $resourceName = null) |
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{ |
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$this->resourceName = $resourceName; |
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if ($transformer) { |
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$this->transformWith($transformer); |
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} |
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return $this->data('collection', $data, $transformer); |
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} |
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/** |
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* Set the item data that must be transformed. |
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* |
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* @param mixed $data |
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* @param \League\Fractal\TransformerAbstract|Callable|null $transformer |
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* @param string|null $resourceName |
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* |
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* @return $this |
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*/ |
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View Code Duplication |
public function item($data, $transformer = null, $resourceName = null) |
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{ |
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$this->resourceName = $resourceName; |
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if ($transformer) { |
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$this->transformWith($transformer); |
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} |
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return $this->data('item', $data, $transformer); |
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} |
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/** |
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* Set the data that must be transformed. |
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* |
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* @param string $dataType |
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* @param mixed $data |
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* @param \League\Fractal\TransformerAbstract|Callable|null $transformer |
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* |
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* @return $this |
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*/ |
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protected function data($dataType, $data, $transformer = null) |
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{ |
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$this->dataType = $dataType; |
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$this->data = $data; |
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if (!is_null($transformer)) { |
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$this->transformer = $transformer; |
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} |
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return $this; |
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} |
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/** |
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* Set the class or function that will perform the transform. |
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* |
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* @param \League\Fractal\TransformerAbstract|Callable $transformer |
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* |
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* @return $this |
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*/ |
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public function transformWith($transformer) |
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{ |
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$this->transformer = $transformer; |
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return $this; |
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} |
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/** |
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* Set a Fractal paginator for the data. |
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* |
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* @param \League\Fractal\Pagination\PaginatorInterface $paginator |
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* |
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* @return $this |
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*/ |
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public function paginateWith(PaginatorInterface $paginator) |
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{ |
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$this->paginator = $paginator; |
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return $this; |
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} |
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/** |
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* Specify the includes. |
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* |
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* @param array|string $includes Array or csv string of resources to include |
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* |
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* @return $this |
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*/ |
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public function parseIncludes($includes) |
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{ |
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if (!$includes) { |
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return $this; |
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} |
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View Code Duplication |
if (is_string($includes)) { |
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$includes = array_map(function ($value) { |
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return trim($value); |
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}, explode(',', $includes)); |
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} |
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$this->includes = array_merge($this->includes, (array)$includes); |
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$this->manager->parseIncludes($this->includes); |
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$this->parseIncludeParams(); |
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return $this; |
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} |
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/** |
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* @return $this|void |
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*/ |
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public function parseIncludeParams() |
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{ |
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if (!$this->includes) { |
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return $this; |
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} |
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foreach ($this->includes as $include) { |
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list($includeName, $allModifiersStr) = array_pad(explode(':', $include, 2), 2, null); |
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// No Params? Bored |
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if ($allModifiersStr === null) { |
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continue; |
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} |
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// Matches multiple instances of 'something(foo|bar|baz)' in the string |
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// I guess it ignores : so you could use anything, but probably don't do that |
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preg_match_all('/([\w]+)(\(([^\)]+)\))?/', $allModifiersStr, $allModifiersArr); |
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// [0] is full matched strings... |
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$modifierCount = count($allModifiersArr[0]); |
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$modifierArr = []; |
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for ($modifierIt = 0; $modifierIt < $modifierCount; $modifierIt++) { |
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// [1] is the modifier |
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$modifierName = $allModifiersArr[1][$modifierIt]; |
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// and [3] is delimited params |
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// Make modifier array key with the parameter as the value |
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$modifierArr[$modifierName] = $allModifiersArr[3][$modifierIt]; |
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} |
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$this->includeParams[$includeName] = $modifierArr; |
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} |
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return $this; |
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} |
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/** |
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* Get Include Params. |
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* |
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* @param string $include |
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* |
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* @return \League\Fractal\ParamBag|null |
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*/ |
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public function getIncludeParams($include) |
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{ |
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if (! isset($this->includeParams[$include])) { |
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return; |
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} |
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$params = $this->includeParams[$include]; |
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return new ParamBag($params); |
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} |
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/** |
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* Support for magic methods to included data. |
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* |
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* @param string $name |
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* @param array $arguments |
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* |
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* @return $this |
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*/ |
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public function __call($name, array $arguments) |
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{ |
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if (method_exists($this->manager, $name)) { |
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return call_user_func_array([$this->manager, $name], $arguments); |
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} |
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if (!starts_with($name, 'include')) { |
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trigger_error('Call to undefined method '.__CLASS__.'::'.$name.'()', E_USER_ERROR); |
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} |
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$includeName = lcfirst(substr($name, strlen('include'))); |
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return $this->parseIncludes($includeName); |
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} |
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/** |
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* Set the serializer to be used. |
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* |
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* @param \League\Fractal\Serializer\SerializerAbstract $serializer |
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* |
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* @return $this |
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*/ |
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public function serializeWith(SerializerAbstract $serializer) |
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{ |
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$this->serializer = $serializer; |
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return $this; |
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} |
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/** |
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* Set the meta data. |
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* @return $this |
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* @internal param $array |
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* |
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*/ |
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public function addMeta() |
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{ |
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foreach (func_get_args() as $meta) { |
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if (is_array($meta)) { |
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$this->meta += $meta; |
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} |
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} |
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return $this; |
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} |
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/** |
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* Set the resource name, to replace 'data' as the root of the collection or item. |
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* |
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* @param string $resourceName |
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* |
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* @return $this |
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*/ |
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public function resourceName($resourceName) |
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{ |
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$this->resourceName = $resourceName; |
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return $this; |
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} |
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/** |
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* Perform the transformation to json. |
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* |
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* @return string |
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*/ |
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public function toJson() |
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{ |
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return $this->transform('toJson'); |
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} |
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/** |
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* Perform the transformation to array. |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return $this->transform('toArray'); |
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} |
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/** |
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* Perform the transformation. |
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* |
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* @param string $conversionMethod |
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* |
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* @return string|array |
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*/ |
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protected function transform($conversionMethod) |
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{ |
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$fractalData = $this->createData(); |
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return $fractalData->$conversionMethod(); |
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} |
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/** |
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* Create fractal data. |
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*/ |
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public function createData() |
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{ |
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if (is_null($this->transformer)) { |
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throw new NoTransformerSpecified(); |
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} |
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if (!is_null($this->serializer)) { |
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$this->manager->setSerializer($this->serializer); |
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} |
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$resource = $this->getResource(); |
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return $this->manager->createData($resource); |
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} |
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/** |
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* Get the resource. |
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*/ |
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public function getResource() |
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{ |
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$resourceClass = 'League\\Fractal\\Resource\\'.ucfirst($this->dataType); |
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if (!class_exists($resourceClass)) { |
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throw new InvalidTransformation(); |
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} |
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$resource = new $resourceClass($this->data, $this->transformer, $this->resourceName); |
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$resource->setMeta($this->meta); |
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if (!is_null($this->paginator)) { |
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$resource->setPaginator($this->paginator); |
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} |
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return $resource; |
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} |
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} |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.