<?php
/**
 * Created by Error202
 * Date: 26.08.2018
 */

namespace core\components;

use yii\db\ActiveQuery;
use Yii;

/**
 * Translate trait.
 * Modify ActiveRecord query for translate support
 *
 * @mixin ActiveQuery
 */
trait LanguageTranslateTrait
{
	/**
	 * @var string the name of the lang field of the translation table. Default to 'language'.
	 */
	public $languageField = 'language';
	/**
	 * Scope for querying by languages
	 *
	 * @param string $language
	 * @param bool   $abridge
	 *
	 * @return $this
	 */
	public function localized($language = null, $abridge = true)
	{
		$language = $language ?: Yii::$app->language;
		if (!isset($this->with['translations'])) {
			$this->with(['translation' => function ($query) use ($language, $abridge) {
				/** @var ActiveQuery $query */
				$query->where([$this->languageField => $abridge ? substr($language, 0, 2) : $language]);
			}]);
		}
		return $this;
	}
	/**
	 * Scope for querying by all languages
	 * @return $this
	 */
	public function multilingual()
	{
		if (isset($this->with['translation'])) {
			unset($this->with['translation']);
		}
		$this->with('translations');
		return $this;
	}
}