<?php
/**
 * ownCloud - News
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Alessandro Cosentino <cosenal@gmail.com>
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @copyright Alessandro Cosentino 2012
 * @copyright Bernhard Posselt 2012, 2014
 */

namespace OCA\News\ArticleEnhancer;

use \OCA\News\Db\Item;


class RegexArticleEnhancer implements ArticleEnhancer {

    private $matchArticleUrl;
    private $regexPair;

    public function __construct($matchArticleUrl, array $regexPair) {
        $this->matchArticleUrl = $matchArticleUrl;
        $this->regexPair = $regexPair;
    }


    /**
     * @param \OCA\News\Db\Item $item
     * @return \OCA\News\Db\Item enhanced item
     */
    public function enhance(Item $item) {
        if (preg_match($this->matchArticleUrl, $item->getUrl())) {
            $body = $item->getBody();
            foreach($this->regexPair as $search => $replaceWith) {
                $body = preg_replace($search, $replaceWith, $body);
            }
            $item->setBody($body);
        }
        return $item;
    }


}