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<?php |
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/** |
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* Created by PhpStorm. |
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* User: frowhy |
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* Date: 2017/12/6 |
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* Time: δΈε10:30. |
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*/ |
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namespace Modules\Core\Abstracts; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Str; |
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use League\Fractal\TransformerAbstract as BaseTransformerAbstract; |
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use Modules\Core\Contracts\Repository\Filter; |
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use Modules\Core\Supports\Response; |
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abstract class TransformerAbstract extends BaseTransformerAbstract |
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{ |
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protected $transform; |
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protected $field; |
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protected $filter; |
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abstract public function fields($attribute); |
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public function transform($transform) |
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{ |
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$this->transform = $transform; |
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$this->field = $this->fields($transform); |
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$this->filter = app(Filter::class); |
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$this->parseRequestedFields(); |
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$this->parseExcludeFields(); |
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return $this->field; |
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} |
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protected function parseRequestedFields() |
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{ |
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$class = class_basename($this->transform); |
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$param = Response::param('requested_fields') ?? Arr::get($this->filter->requestedFields, $class); |
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if (!is_null($param)) { |
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if (is_array($param)) { |
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$requestedFields = $param; |
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} else { |
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$requestedFields = explode(',', $param); |
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} |
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foreach ($requestedFields as $requestedField) { |
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if ($this instanceof self) { |
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$this->field = Arr::only($this->field, $this->getFilterField($requestedField)); |
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} |
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} |
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} |
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} |
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protected function parseExcludeFields() |
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{ |
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$class = class_basename($this->transform); |
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$param = Response::param('exclude_fields') ?? Arr::get($this->filter->excludeFields, $class); |
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if (!is_null($param)) { |
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if (is_array($param)) { |
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$excludeFields = $param; |
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} else { |
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$excludeFields = explode(',', $param); |
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} |
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foreach ($excludeFields as $excludeField) { |
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if ($this instanceof self) { |
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$this->field = Arr::except($this->field, $this->getFilterField($excludeField)); |
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} |
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} |
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} |
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} |
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protected function getFilterField(string $field): ?string |
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{ |
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$scope = null; |
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if (Str::contains($field, '.')) { |
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$fieldArray = explode('.', $field); |
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$length = count($fieldArray); |
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$field = Arr::last($fieldArray); |
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Arr::forget($fieldArray, $length - 1); |
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$scope = implode('.', $fieldArray); |
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} |
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if ($scope === $this->getCurrentScope()->getIdentifier()) { |
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return $field; |
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} else { |
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return null; |
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} |
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} |
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} |
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frowhy /
module-core
