<?php

namespace common\modules\product\models;

use common\modules\language\models\Language;
use Yii;

/**
 * This is the model class for table "product_unit_lang".
 *
 * @property integer $product_unit_id
 * @property integer $language_id
 * @property string $name
 * @property string $short
 *
 * @property Language $language
 * @property ProductUnit $productUnit
 */
class ProductUnitLang extends \yii\db\ActiveRecord
{
    
    public static function primaryKey()
    {
        return [
            'product_unit_id',
            'language_id',
        ];
    }
    
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'product_unit_lang';
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['name'], 'required'],
            [['name', 'short'], 'string', 'max' => 255],
            [['product_unit_id', 'language_id'], 'unique', 'targetAttribute' => ['product_unit_id', 'language_id'], 'message' => 'The combination of Product Unit ID and Language ID has already been taken.'],
            [['language_id'], 'exist', 'skipOnError' => true, 'targetClass' => Language::className(), 'targetAttribute' => ['language_id' => 'language_id']],
            [['product_unit_id'], 'exist', 'skipOnError' => true, 'targetClass' => ProductUnit::className(), 'targetAttribute' => ['product_unit_id' => 'product_unit_id']],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'product_unit_id' => Yii::t('app', 'Product Unit ID'),
            'language_id' => Yii::t('app', 'Language ID'),
            'name' => Yii::t('app', 'Name'),
            'short' => Yii::t('app', 'Short'),
        ];
    }

    /**
     * @return \yii\db\ActiveQuery
     */
    public function getLanguage()
    {
        return $this->hasOne(Language::className(), ['language_id' => 'language_id']);
    }

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