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<?php |
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/** |
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* Created by PhpStorm. |
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* User: arthur |
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* Date: 04.11.18 |
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* Time: 19:59. |
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*/ |
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namespace Foundation\Abstracts\Transformers; |
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use Illuminate\Database\Eloquent\Collection; |
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use Illuminate\Database\Eloquent\Model; |
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/** |
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* Trait IncludesRelations. |
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*/ |
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trait IncludesRelations |
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{ |
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/** |
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* @return array |
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*/ |
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protected function parseRequestIncludeParameter() |
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{ |
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$request = request(); |
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if (isset($request->include) && is_string($request->include)) { |
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return explode(',', $request->include); |
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} |
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return []; |
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} |
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/** |
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* @return array |
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*/ |
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public function compileRelations() |
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{ |
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$requestedRelations = $this->parseRequestIncludeParameter(); |
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$relations = []; |
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foreach ($requestedRelations as $requestedRelation) { |
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if (isset($this->available[$requestedRelation])) { |
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$relations[$requestedRelation] = $this->available[$requestedRelation]; |
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} |
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} |
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$merge = array_merge($this->include, $relations); |
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return array_unique($merge); |
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} |
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/** |
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* @param $relation |
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* |
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* @return $this |
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*/ |
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public function include($relation) |
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{ |
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if (is_array($relation)) { |
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$this->include = array_merge($this->include, $relation); |
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} else { |
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$this->include[] = $relation; |
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} |
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return $this; |
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} |
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protected function includeRelations() |
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{ |
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$relations = []; |
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if ($this->resource instanceof Model) { |
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$relations = $this->compileRelations(); |
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foreach ($relations as $relation => $transformer) { |
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$relationMethodName = 'transform'.ucfirst(strtolower($relation)); |
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if (method_exists($this, $relationMethodName)) { |
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$relations[$relation] = $this->$relationMethodName($this->resource->$relation); |
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} else { |
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if ($this->resource->$relation instanceof Model) { |
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$relations[$relation] = $transformer::resource($this->whenLoaded($relation)); |
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} elseif ($this->resource->$relation instanceof Collection) { |
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$relations[$relation] = $transformer::collection($this->whenLoaded($relation)); |
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} |
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if ($this->resource->$relation == null) { |
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$relations[$relation] = null; |
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} |
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} |
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} |
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} |
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return $relations; |
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} |
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private static function loadRelations($resource, $extraRelations) |
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{ |
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if ($resource instanceof Model || $resource instanceof Collection) { |
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$relations = (array) call_class_function(static::class, 'compileRelations'); |
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$relations = array_merge($relations, $extraRelations); |
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$resource->loadMissing(array_keys($relations)); |
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} |
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return $resource; |
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} |
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} |
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deviouspk /
larapi
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