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<?php |
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namespace Xsolve\ModelFactory\ModelFactoryCollection; |
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use Traversable; |
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use Xsolve\ModelFactory\ModelFactory\ModelFactoryInterface; |
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use Xsolve\ModelFactory\ModelFactoryCollection\Exception\ModelFactoryCollectionException; |
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class ModelFactoryCollection implements ModelFactoryCollectionInterface |
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{ |
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/** @var ModelFactoryInterface[] */ |
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protected $modelFactories = []; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addModelFactory(ModelFactoryInterface $modelFactory) |
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{ |
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$this->modelFactories[] = $modelFactory; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supportsObject($object) |
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{ |
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return $this->findSupportingModelFactoryForObject($object) instanceof ModelFactoryInterface; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supportsObjects($objects) |
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{ |
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if ($objects instanceof Traversable) { |
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$objects = iterator_to_array($objects); |
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} elseif (!is_array($objects)) { |
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throw new ModelFactoryCollectionException('An array or an instance of Traversable expected.'); |
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} |
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if ($this->findSupportingModelFactoryForObjects($objects) instanceof ModelFactoryInterface) { |
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return true; |
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} |
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foreach ($objects as $object) { |
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if (!$this->supportsObject($object)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createModels($objects) |
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{ |
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if (!$objects instanceof Traversable && !is_array($objects)) { |
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throw new ModelFactoryCollectionException('An array or an instance of Traversable expected.'); |
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} |
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// First try to find a single model factory supporting all items. |
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$modelFactory = $this->findSupportingModelFactoryForObjects($objects); |
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if ($modelFactory instanceof ModelFactoryInterface) { |
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return $this->createModelsAndSetDependencies($modelFactory, $objects); |
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} |
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// If that fails, try to find model factory for each item individually. |
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$models = []; |
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foreach ($objects as $key => $object) { |
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$modelFactory = $this->findSupportingModelFactoryForObject($object); |
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if (!$modelFactory instanceof ModelFactoryInterface) { |
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if (is_object($object)) { |
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throw new ModelFactoryCollectionException(sprintf( |
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'Model factory for class %s not found.', |
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get_class($object) |
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)); |
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} |
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throw new ModelFactoryCollectionException(sprintf( |
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'Model factory for type %s not found.', |
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gettype($object) |
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)); |
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} |
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$models[$key] = $this->createModelAndSetDependencies($modelFactory, $object); |
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} |
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return $models; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createModel($object) |
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{ |
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$models = $this->createModels([$object]); |
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return reset($models); |
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} |
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/** |
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* @param ModelFactoryInterface $modelFactory |
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* @param array|Traversable $objects |
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* |
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* @return array |
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*/ |
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protected function createModelsAndSetDependencies(ModelFactoryInterface $modelFactory, $objects) |
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{ |
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$models = $modelFactory->createModels($objects); |
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foreach ($models as $model) { |
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if ($model instanceof ModelFactoryCollectionAwareModelInterface) { |
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$model->setModelFactoryCollection($this); |
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} |
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} |
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return $models; |
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} |
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/** |
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* @param ModelFactoryInterface $modelFactory |
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* @param mixed $object |
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* |
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* @return mixed |
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*/ |
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protected function createModelAndSetDependencies(ModelFactoryInterface $modelFactory, $object) |
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{ |
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$models = $this->createModelsAndSetDependencies($modelFactory, [$object]); |
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return reset($models); |
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} |
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/** |
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* @param array|Traversable $objects |
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* |
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* @return ModelFactoryInterface|null |
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*/ |
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protected function findSupportingModelFactoryForObjects($objects) |
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{ |
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foreach ($this->modelFactories as $modelFactory) { |
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if ($modelFactory->supportsObjects($objects)) { |
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return $modelFactory; |
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} |
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} |
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} |
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/** |
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* @param mixed $object |
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* |
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* @return ModelFactoryInterface|null |
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*/ |
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protected function findSupportingModelFactoryForObject($object) |
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{ |
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foreach ($this->modelFactories as $modelFactory) { |
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if ($modelFactory->supportsObject($object)) { |
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return $modelFactory; |
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} |
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} |
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} |
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} |
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xsolve-pl /
xsolve-model-factory
