<?php

namespace app\controllers;

use app\components\language\LanguageHelper;
use app\components\route\PropUrlRule;
use app\components\SitemapGenerator;
use app\models\Ticket;
use yii;
use yii\web\Controller;

class SitemapController extends Controller
{
    public function actionIndex()
    {
        if (false === ($xml = Yii::$app->cache->get('sitemap'))) {
            $xml = $this->generateSitemap();
            Yii::$app->cache->set('sitemap', $xml, 3600 * 6);
        }
        Yii::$app->response->headers->add('Content-type', 'text/xml');
        Yii::$app->response->send();
        echo $xml;
        exit;
    }

    protected function generateSitemap()
    {
        $sitemap = new SitemapGenerator();
        $this->processTickets($sitemap);
        return $sitemap->render();
    }

    protected function processTickets(SitemapGenerator $sitemap)
    {
        $ticketQuery = Ticket::find()->where(['public' => 'y'])->asArray();
        $urlManager = Yii::$app->urlManager;
        foreach ($ticketQuery->all() as $row) {
            if ($row['alias']) {
                $params = ['prop/view', 'alias' => $row['alias'], 'mode' => PropUrlRule::MODE_CLIENT];
                foreach (LanguageHelper::$js2dbMap as $language) {
                    $params['language'] = $language;
                    $sitemap->addUrl($urlManager->createUrl($params), SitemapGenerator::DAILY, 0.5);
                }
            }
        }

        return $this;
    }
}