<?php

class onRssContentBeforeCategory extends cmsAction {

    public function run($data) {

        list($ctype, $category) = $data;

        if (!empty($ctype['options']['is_rss'])) {

            $title = $ctype['title'];

            if ($category['id'] > 1) {
                $title .= ' / ' . $category['title'];
            }

            $feed_title = sprintf(LANG_RSS_FEED_TITLE_FORMAT, $title, cmsConfig::get('sitename'));
            $feed_url   = href_to_abs($this->name, 'feed', $ctype['name']);

            if ($category['id'] > 1) {
                $feed_url .= '?category=' . $category['id'];
            }

            $link_tag = '<link title="' . html($feed_title, false) . '" type="application/rss+xml" rel="alternate" href="' . $feed_url . '">';

            $this->cms_template->addHead($link_tag);

            $ctype['rss_link'] = $feed_url;
        }

        return [$ctype, $category];
    }

}