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<?php |
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namespace Flugg\Responder\Transformers\Concerns; |
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use Flugg\Responder\Contracts\Resources\ResourceFactory; |
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use Illuminate\Contracts\Container\Container; |
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use Illuminate\Database\Eloquent\Model; |
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use League\Fractal\Resource\ResourceInterface; |
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/** |
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* A trait to be used by a transformer to make related resources. |
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* |
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* @package flugger/laravel-responder |
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* @author Alexander Tømmerås <[email protected]> |
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* @license The MIT License |
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*/ |
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trait MakesResources |
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{ |
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/** |
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* A list of cached related resources. |
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* |
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* @var \League\Fractal\ResourceInterface[] |
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*/ |
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protected $resources = []; |
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/** |
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* Make a resource. |
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* |
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* @param null $data |
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* @param \Flugg\Responder\Transformers\Transformer|string|callable|null $transformer |
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* @param string|null $resourceKey |
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* @return \League\Fractal\Resource\ResourceInterface |
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*/ |
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protected function resource($data = null, $transformer = null, string $resourceKey = null): ResourceInterface |
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{ |
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$resourceFactory = $this->resolveContainer()->make(ResourceFactory::class); |
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return $resourceFactory->make($data, $transformer, $resourceKey); |
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} |
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/** |
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* Include a related resource. |
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* |
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* @param string $identifier |
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* @param mixed $data |
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* @param array $parameters |
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* @return \League\Fractal\Resource\ResourceInterface |
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* @throws \LogicException |
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*/ |
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protected function includeResource(string $identifier, $data, array $parameters): ResourceInterface |
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{ |
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if (method_exists($this, $method = 'include' . ucfirst($identifier))) { |
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$resource = $this->$method($data, $parameters); |
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} elseif ($data instanceof Model) { |
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$resource = $this->includeResourceFromModel($data, $identifier); |
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} else { |
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throw new LogicException('Relation [' . $identifier . '] not found in [' . get_class($this) . '].'); |
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} |
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return $resource; |
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} |
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/** |
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* Include a related resource from a model. |
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* |
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* @param \Illuminate\Database\Eloquent\Model $model |
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* @param string $identifier |
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* @return \League\Fractal\Resource\ResourceInterface |
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*/ |
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protected function includeResourceFromModel(Model $model, string $identifier): ResourceInterface |
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{ |
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$data = $this->resolveRelation($model, $identifier); |
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if (! count($data)) { |
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return $this->resource($data, null, $identifier); |
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} elseif (key_exists($identifier, $this->resources)) { |
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return $this->resources[$identifier]->setData($data); |
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} |
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return $this->resources[$identifier] = $this->resource($data, null, $identifier); |
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} |
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/** |
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* Resolve a container using the resolver callback. |
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* |
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* @return \Illuminate\Contracts\Container\Container |
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*/ |
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protected abstract function resolveContainer(): Container; |
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/** |
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* Resolve relation data from a model. |
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* |
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* @param \Illuminate\Database\Eloquent\Model $model |
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* @param string $identifier |
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* @return mixed |
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*/ |
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protected abstract function resolveRelation(Model $model, string $identifier); |
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} |
flugger /
laravel-responder
