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<?php |
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namespace Sebdesign\SM\StateMachine; |
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use SM\SMException; |
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use Sebdesign\SM\Metadata\MetadataStore; |
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use SM\Callback\CallbackFactoryInterface; |
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use Sebdesign\SM\Metadata\MetadataStoreInterface; |
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use SM\StateMachine\StateMachine as BaseStateMachine; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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class StateMachine extends BaseStateMachine |
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{ |
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/** |
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* @var \Sebdesign\SM\Metadata\MetadataStoreInterface |
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*/ |
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protected $metadataStore; |
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/** |
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* {@inheritdoc} |
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* |
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* @param \Sebdesign\SM\Metadata\MetadataStoreInterface|null $metadataStore |
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*/ |
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View Code Duplication |
public function __construct( |
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$object, |
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array $config, |
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EventDispatcherInterface $dispatcher = null, |
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CallbackFactoryInterface $callbackFactory = null, |
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MetadataStoreInterface $metadataStore = null |
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) { |
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parent::__construct($object, $config, $dispatcher, $callbackFactory); |
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$this->metadataStore = $metadataStore ?: new MetadataStore($config); |
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} |
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/** |
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* Set a new state to the underlying object. |
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* |
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* @param string $state |
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* |
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* @throws \SM\SMException |
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*/ |
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protected function setState($state) |
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{ |
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if (! $this->hasState($state)) { |
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throw new SMException(sprintf( |
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'Cannot set the state to "%s" to object "%s" with graph %s because it is not pre-defined.', |
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$state, |
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get_class($this->object), |
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$this->config['graph'] |
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)); |
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} |
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$accessor = new PropertyAccessor(); |
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$accessor->setValue($this->object, $this->config['property_path'], $state); |
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} |
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/** |
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* Check if the graph has the given state. |
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* |
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* @param string $state |
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* @return bool |
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*/ |
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protected function hasState($state) |
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{ |
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foreach ($this->config['states'] as $value) { |
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if ($value['name'] === $state) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Get the metadata. |
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* |
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* @return \Sebdesign\SM\Metadata\MetadataStoreInterface |
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*/ |
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public function metadata($type = null, $subject = null, $key = null, $default = null) |
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{ |
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if (is_null($type)) { |
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return $this->metadataStore; |
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} |
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switch ($type) { |
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case 'graph': |
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return $this->getGraphMetadata($subject, $key); |
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case 'state': |
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return $this->getStateMetadata($subject, $key, $default); |
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case 'transition': |
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return $this->getTransitionMetadata($subject, $key, $default); |
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default: |
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return $this->getGraphMetadata($type, $subject); |
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} |
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} |
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protected function getGraphMetadata($key, $default) |
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{ |
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return $this->metadataStore->graph($key, $default); |
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} |
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protected function getStateMetadata($subject, $key, $default) |
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{ |
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if ($this->hasState($subject)) { |
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return $this->metadataStore->state($subject, $key, $default); |
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} |
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if (is_null($subject)) { |
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return $this->metadataStore->state($this->getState(), $key, $default); |
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} |
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return $this->metadataStore->state($this->getState(), $subject, $key); |
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} |
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protected function getTransitionMetadata($subject, $key, $default) |
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{ |
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return $this->metadataStore->transition($subject, $key, $default); |
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} |
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} |
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sebdesign /
laravel-state-machine
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.