common/modules/product/models/ProductUnit.php

<?php

namespace common\modules\product\models;

use common\modules\language\behaviors\LanguageBehavior;
use Yii;
use yii\db\ActiveQuery;
use yii\db\ActiveRecord;
use yii\web\Request;

/**
 * This is the model class for table "product_unit".
 *
 * @property integer $product_unit_id
 * @property boolean $is_default
 *
 * @property Category[] $categories
 * @property ProductVariant[] $productVariants
 * 
 * * From language behavior *
 * @property ProductUnitLang    $lang
 * @property ProductUnitLang[]  $langs
 * @property ProductUnitLang    $object_lang
 * @property string         $ownerKey
 * @property string         $langKey
 * @method string           getOwnerKey()
 * @method void             setOwnerKey(string $value)
 * @method string           getLangKey()
 * @method void             setLangKey(string $value)
 * @method ActiveQuery      getLangs()
 * @method ActiveQuery      getLang( integer $language_id )
 * @method ProductUnitLang[]    generateLangs()
 * @method void             loadLangs(Request $request, ActiveRecord[] $model_langs)
 * @method bool             linkLangs(ActiveRecord[] $model_langs)
 * @method bool             saveLangs(ActiveRecord[] $model_langs)
 * * End language behavior *
 */
class ProductUnit extends \yii\db\ActiveRecord
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'product_unit';
    }
    
    public function behaviors()
    {
        return [
            'language' => [
                'class' => LanguageBehavior::className(),
            ],
        ];
    }
    
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['is_default'], 'boolean'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'product_unit_id' => Yii::t('product', 'Product Unit ID'),
            'is_default' => Yii::t('product', 'Is Default'),
        ];
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    public function getCategories()
    {
        return $this->hasMany(Category::className(), ['product_unit_id' => 'product_unit_id']);
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    public function getProductVariants()
    {
        return $this->hasMany(ProductVariant::className(), ['product_unit_id' => 'product_unit_id']);
    }
}