<?php
/**
 * Page Cache Ultimate, Page Cache standard and Speed pack are powered by Jpresta (jpresta . com)
 *
 * @author    Jpresta
 * @copyright Jpresta
 * @license   See the license of this module in file LICENSE.txt, thank you.
 */

if (!defined('_PS_VERSION_')) {
    exit;
}

/**
 * Implements getJprestaModelObjectClassName() and getJprestaModelObjectId() to enable the HTML cache provided by the
 * module Page Cache Ultimate created by jpresta.com
 */
class PH_SimpleBlogSingleModuleFrontControllerOverride extends PH_SimpleBlogSingleModuleFrontController
{
    public function init()
    {
        if ($_SERVER['REQUEST_METHOD'] === 'POST' && !Tools::getIsset('page_cache_dynamics_mods')) {
            Hook::exec('actionJPrestaClearCache', [
                'controller' => 'ph_simpleblog__single',
                'id' => $this->getJprestaModelObjectId(),
                'delete_linking_pages' => false,
                'action_origin' => 'method-post'
            ]);
        }
        parent::init();
    }

    /**
     * @return string The ObjectModel class name to be used by Page Cache Ultimate module to refresh the cache of pages generated by this controller
     */
    public static function getJprestaModelObjectClassName()
    {
        return 'SimpleBlogPost';
    }

    /**
     * @return int|null The ID of the current ObjectModel (if any) to be used by Page Cache Ultimate module to refresh the cache of pages generated by this controller
     */
    public function getJprestaModelObjectId()
    {
        // Get Post by link_rewrite
        $simpleblog_post_rewrite = Tools::getValue('rewrite');

        if (!$simpleblog_post_rewrite || !Validate::isLinkRewrite($simpleblog_post_rewrite)) {
            return null;
        }

        $simpleBlogPost = SimpleBlogPost::getByRewrite(
            $simpleblog_post_rewrite,
            (int) Context::getContext()->language->id,
            Tools::getValue('sb_category')
        );
        return $simpleBlogPost ? $simpleBlogPost->id : null;
    }


    /**
     * List all URLs generated by this controller for the current shop context and the specified language.
     * This is used by the Jresta-Cache-Warmer service to generate the cache of these pages.
     * @param $id_lang int ID of the language
     * @return string[] All URLs to warmup
     */
    public static function getJprestaAllURLs($id_lang) {
        $urls = [];
        $finder = new BlogPostsFinder();
        $finder->setIdShop((int) Shop::getContextShopID());
        $finder->setIdLang($id_lang);
        $finder->setCheckForAccess(false);

        $posts = $finder->findPosts();

        foreach ($posts as $post) {
            $urls[] = $post['url'];
        }

        return $urls;
    }

    /**
     * An estimated number of URLs that will be returned by self::getJprestaAllURLs() for the current shop context.
     * Since we don't have the id_lang parameter we recommend to return the number of URLs for the language that have
     * the most URLs.
     * @return int The estimated number of URLs to warmup for the current shop context
     */
    public static function getJprestaAllURLsCount() {
        $queryCountArticle = 'SELECT count(*) FROM `'._DB_PREFIX_.'simpleblog_post` sbp INNER JOIN `'._DB_PREFIX_.'simpleblog_post_shop` sbps ON sbp.id_simpleblog_post = sbps.id_simpleblog_post WHERE sbp.active=1 AND sbp.date_add <= \'' . SimpleBlogHelper::now(Configuration::get('PH_BLOG_TIMEZONE')) . '\' AND sbps.id_shop=' . (int) Shop::getContextShopID();
        return (int) JPresta\SpeedPack\JprestaUtils::dbGetValue($queryCountArticle);
    }
}