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<?php |
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/** |
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* @link https://github.com/LAV45/yii2-translated-behavior |
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* @copyright Copyright (c) 2015 LAV45! |
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* @author Alexey Loban <[email protected]> |
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* @license http://opensource.org/licenses/BSD-3-Clause |
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*/ |
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namespace lav45\translate; |
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use yii\db\ActiveRecord; |
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use yii\helpers\ArrayHelper; |
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/** |
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* Class TranslatedBehavior |
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* @package lav45\translate\TranslatedBehavior |
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* |
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* ================ Example use ================ |
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* public function behaviors() |
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* { |
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* return [ |
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* [ |
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* 'class' => TranslatedBehavior::className(), |
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* 'translateRelation' => 'postLangs', |
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* 'translateAttributes' => [ |
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* 'titleLang' => 'title', |
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* 'description', |
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* ] |
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* ] |
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* ]; |
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* } |
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* |
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* @property ActiveRecord[] $currentTranslate |
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* @property array $hasTranslate |
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* @property ActiveRecord $translation |
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* @property ActiveRecord $owner |
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*/ |
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class TranslatedBehavior extends BaseTranslatedBehavior |
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{ |
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/** |
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* @var string the translations relation name |
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*/ |
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public $translateRelation; |
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/** |
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* @var string the translations model language attribute name |
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*/ |
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public $languageAttribute = 'lang_id'; |
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/** |
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* @inheritdoc |
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*/ |
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public function events() |
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{ |
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$beforeDelete = function() { |
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$this->owner->unlinkAll($this->translateRelation, true); |
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}; |
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$afterSave = function() { |
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$this->owner->link('currentTranslate', $this->getTranslation()); |
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}; |
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return [ |
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ActiveRecord::EVENT_BEFORE_DELETE => $beforeDelete, |
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ActiveRecord::EVENT_AFTER_INSERT => $afterSave, |
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ActiveRecord::EVENT_AFTER_UPDATE => $afterSave, |
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]; |
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} |
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/** |
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* Returns the translation model for the specified language. |
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* @param string|null $language |
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* @return ActiveRecord |
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*/ |
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public function getTranslation($language = null) |
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{ |
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$language = $language ?: $this->language; |
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$translations = $this->getTranslateRelations(); |
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if (isset($translations[$language])) { |
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return $translations[$language]; |
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} |
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$class = $this->getRelation()->modelClass; |
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/** @var ActiveRecord $model */ |
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$model = new $class(); |
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if (isset($translations[$this->sourceLanguage])) { |
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$attributes = ArrayHelper::toArray($translations[$this->sourceLanguage]); |
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$model->setAttributes($attributes, false); |
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} |
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$model->setAttribute($this->languageAttribute, $language); |
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$translations[$language] = $model; |
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$this->setTranslateRelations($translations); |
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return $translations[$language]; |
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} |
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/** |
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* @return ActiveRecord[] |
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*/ |
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protected function getTranslateRelations() |
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{ |
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$records = $this->owner->getRelatedRecords(); |
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if (!isset($records['currentTranslate']) && isset($records[$this->translateRelation])) { |
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$translations = ArrayHelper::index($this->owner->{$this->translateRelation}, $this->languageAttribute); |
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$this->setTranslateRelations($translations); |
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} |
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return $this->owner['currentTranslate']; |
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} |
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/** |
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* @param ActiveRecord[] $models |
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*/ |
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protected function setTranslateRelations($models) |
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{ |
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$this->owner->populateRelation('currentTranslate', $models); |
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} |
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/** |
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* @return \yii\db\ActiveQuery |
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*/ |
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protected function getRelation() |
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{ |
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return $this->owner->getRelation($this->translateRelation); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function canGetProperty($name, $checkVars = true) |
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{ |
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return $this->isAttribute($name) || |
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parent::canGetProperty($name, $checkVars) || |
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(is_object($this->getTranslation()) && $this->getTranslation()->canGetProperty($name, $checkVars)); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function canSetProperty($name, $checkVars = true) |
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{ |
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return $this->isAttribute($name) || |
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parent::canSetProperty($name, $checkVars) || |
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(is_object($this->getTranslation()) && $this->getTranslation()->canSetProperty($name, $checkVars)); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function __get($name) |
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{ |
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$getter = 'get' . $name; |
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if (method_exists($this, $getter)) { |
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return $this->$getter(); |
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} else { |
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if ($this->isAttribute($name)) { |
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$name = $this->getAttributeName($name); |
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} |
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return $this->getTranslation()[$name]; |
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} |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function __set($name, $value) |
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{ |
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$setter = 'set' . $name; |
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if (method_exists($this, $setter)) { |
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$this->$setter($value); |
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} else { |
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if ($this->isAttribute($name)) { |
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$name = $this->getAttributeName($name); |
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} |
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$this->getTranslation()[$name] = $value; |
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} |
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} |
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/** |
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* Returns a value indicating whether a method is defined. |
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* |
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* The default implementation is a call to php function `method_exists()`. |
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* You may override this method when you implemented the php magic method `__call()`. |
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* @param string $name the method name |
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* @return boolean whether the method is defined |
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*/ |
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public function hasMethod($name) |
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{ |
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return parent::hasMethod($name) || $this->getTranslation()->hasMethod($name); |
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} |
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/** |
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* Calls the named method which is not a class method. |
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* |
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* Do not call this method directly as it is a PHP magic method that |
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* will be implicitly called when an unknown method is being invoked. |
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* @param string $name the method name |
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* @param array $params method parameters |
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* @return mixed the method return value |
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*/ |
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public function __call($name, $params) |
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{ |
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return call_user_func_array([$this->getTranslation(), $name], $params); |
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} |
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/** |
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* @return bool |
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*/ |
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public function isTranslated() |
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{ |
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return $this->isSourceLanguage() === false && $this->getTranslation()->getIsNewRecord() === false; |
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} |
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/** |
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* This read only relations designed for method $this->hasTranslate() |
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* @return \yii\db\ActiveQuery |
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*/ |
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public function getHasTranslate() |
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{ |
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$relations = $this->getRelation(); |
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$select = array_keys($relations->link); |
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$select[] = $this->languageAttribute; |
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return $relations |
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->select($select) |
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->indexBy($this->languageAttribute) |
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->asArray(); |
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} |
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/** |
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* @return \yii\db\ActiveQuery |
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*/ |
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public function getCurrentTranslate() |
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{ |
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$langList = [$this->language, $this->sourceLanguage]; |
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$langList = array_keys(array_flip($langList)); |
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return $this->getRelation() |
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->where([$this->languageAttribute => $langList]) |
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->indexBy($this->languageAttribute); |
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} |
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} |
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LAV45 /
yii2-translated-behavior
