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Yii 1. Clone AR model and Relations
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| <?php | |
| namespace common\models\traits; | |
| trait ActiveRecordClone | |
| { | |
| /** | |
| * Return new record with cloned attributes | |
| * | |
| * @param string $scenario | |
| * @return static | |
| */ | |
| public function cloneModel($scenario = 'insert') | |
| { | |
| /** @var \CActiveRecord $newModel */ | |
| $newModel = new static($scenario); | |
| /** @var \CModel $this */ | |
| $newModel->setAttributes($this->getAttributes($this->getSafeAttributeNames())); | |
| return $newModel; | |
| } | |
| /** | |
| * Clone related records and attach to current model | |
| * | |
| * @param static $originModel Model where to take original related data | |
| * @param string $relationName name of active relarion to clone | |
| * @param string $relationQuery additional join query for relation | |
| * @throws \CException | |
| */ | |
| public function cloneRelation($originModel, $relationName, $relationQuery = null) | |
| { | |
| if (!isset($originModel[$relationName])) { | |
| throw new \CException('Model ' . get_class($originModel) . ' has no relation ' . $relationName); | |
| } | |
| if ($relationQuery) { | |
| $relatedRecords = $originModel->$relationName($relationQuery); | |
| } else { | |
| $relatedRecords = $originModel->$relationName; | |
| } | |
| if (count($relatedRecords) > 0) { | |
| foreach ($relatedRecords as $key => $record) { | |
| /** @var $record static */ | |
| $this->addRelatedRecord($relationName, $record->cloneModel(), true); | |
| } | |
| } | |
| } | |
| } |
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| <?php | |
| $newPost = $oldPost->cloneModel(); | |
| $newPost->cloneRelation($oldPost, 'comments'); |
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Trait
ActiveRecordCloneshould be included in all AR models: for Post model and Comment model