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<?php |
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namespace Maslosoft\Manganel\Traits; |
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use Maslosoft\Addendum\Interfaces\AnnotatedInterface; |
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/** |
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* Use this trait to provide mutli-model feature to classes. |
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* |
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* NOTE: It will keep only one instance type in models |
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* |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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trait UniqueModelsAwareTrait |
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{ |
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/** |
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* Annotated model |
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* @var AnnotatedInterface[] |
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*/ |
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private $models = []; |
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/** |
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* Annotated models |
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* @var AnnotatedInterface[] |
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*/ |
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public function getModels() |
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{ |
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return $this->models; |
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} |
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/** |
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* |
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* @param AnnotatedInterface[] $models |
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* @return $this |
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*/ |
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public function setModels($models) |
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{ |
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// Unique based on class name |
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// See: http://stackoverflow.com/a/2561283/5444623 |
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$unique = array_intersect_key($models, array_unique(array_map('get_class', $models))); |
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$this->models = array_values($unique); |
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return $this; |
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} |
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/** |
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* Add model to set but only if it's instance is not present in set. |
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* |
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* @param AnnotatedInterface $model |
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* @return boolean Whether model was added |
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*/ |
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public function addModel(AnnotatedInterface $model) |
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{ |
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if (!$this->hasModel($model)) |
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{ |
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$this->models[] = $model; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Remove model from set. |
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* |
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* @param AnnotatedInterface $model |
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* @return boolean Whether model was removed |
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*/ |
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public function removeModel(AnnotatedInterface $model) |
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{ |
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if (!$this->hasModel($model)) |
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{ |
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return false; |
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} |
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foreach ($this->models as $index => $existing) |
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{ |
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if (get_class($existing) === get_class($model)) |
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{ |
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unset($this->models[$index]); |
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return true; |
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} |
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} |
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// Should not happen, model not found even if should exists |
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return false; |
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} |
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public function hasModel(AnnotatedInterface $model) |
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{ |
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foreach ($this->models as $existing) |
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{ |
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if (get_class($existing) === get_class($model)) |
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{ |
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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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Maslosoft /
Manganel
