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<?php |
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namespace dameter\abstracts; |
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use yii\base\InvalidConfigException; |
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/** |
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* Class ManyToManyModel |
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* @property integer $order |
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* @property DActiveRecord $parent |
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* @property DActiveRecord $child |
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* |
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* @package dameter\abstracts |
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* @author Tõnis Ormisson <[email protected]> |
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*/ |
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class ManyToManyModel extends DActiveRecord |
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{ |
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public static $parentClass; |
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public static $childClass; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rules() |
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{ |
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return [ |
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[['order'], 'required'], |
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[['order'], 'integer'], |
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]; |
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} |
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/** |
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* @return string |
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*/ |
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public static function primaryKeySingle() |
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{ |
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/** @var DActiveRecord $parent */ |
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$parent = static::$parentClass; |
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/** @var DActiveRecord $child */ |
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$child = static::$childClass; |
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return $parent::tableName() . '_' . $child::tableName() . "_id"; |
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} |
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/** |
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* {@inheritdoc} |
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* @throws InvalidConfigException |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if (is_null($this->parentModel) or is_null($this->childModel)) { |
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throw new InvalidConfigException('Parent & Child class name must be defined for ' . static::class); |
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} |
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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 getParent() { |
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/** @var DActiveRecord $className */ |
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$className = static::$parentClass; |
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return $this->hasOne($className); |
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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 getChild() { |
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/** @var DActiveRecord $className */ |
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$className = static::$parentClass; |
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return $this->hasOne($className); |
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} |
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/** |
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* @param DActiveRecord $child |
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* @return array|DActiveRecord[]|\yii\db\ActiveRecord[] |
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* @throws \yii\base\NotSupportedException |
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*/ |
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public static function getParents($child) |
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{ |
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/** @var DActiveRecord $className */ |
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$className = static::$parentClass; |
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return $className::find()->andWhere([$className::primaryKeySingle() => $child::primaryKeySingle()])->all(); |
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} |
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/** |
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* @param DActiveRecord $parent |
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* @return array|DActiveRecord[]|\yii\db\ActiveRecord[] |
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* @throws \yii\base\NotSupportedException |
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*/ |
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public static function getChildren($parent) |
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{ |
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/** @var DActiveRecord $className */ |
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$className = static::$childClass; |
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return $className::find()->andWhere([$className::primaryKeySingle() => $parent::primaryKeySingle()])->all(); |
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} |
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} |