jidaikobo-shibata/a11yc

<?php
/**
 * A11yc\Sitecheck\ContainKeyword
 *
 * @package    part of A11yc
 * @author     Jidaikobo Inc.
 * @license    The MIT License (MIT)
 * @copyright  Jidaikobo Inc.
 * @link       http://www.jidaikobo.com
 */
namespace A11yc\Sitecheck;

use A11yc\Model;

class ContainKeyword
{
    /**
     * check
     *
     * @return Array
     */
    public static function check()
    {
        $keyword = Input::post('keyword', '');
        $use_re = Input::post('use_re', false);

        if (self::minKeyword($keyword) === false) return array();
        if ($use_re && self::validRe($keyword) === false) return array();

        $pages = array();
        foreach (Model\Page::fetchAll() as $page)
        {
            $html = Model\Html::fetch($page['url']);

            if ($use_re == false && strpos($html, $keyword) === false) continue;
            if ($use_re && preg_match($keyword, $html) === 0) continue;
            $pages[] = $page;
        }
        return $pages;
    }

    /**
     * minimum
     *
     * @param String $keyword
     * @return Bool
     */
    private static function minKeyword($keyword)
    {
        if (strlen($keyword) <= 2)
        {
            Session::add('messages', 'errors', A11YC_LANG_SITECHECK_ERR_SHORT_KEYWORD);
            return false;
        }
        return true;
    }

    /**
     * re
     *
     * @param String $keyword
     * @return Bool
     */
    private static function validRe($keyword)
    {
        $delimiter = substr($keyword, 0, 1);
        if (strpos($keyword, $delimiter, 1) === false)
        {
            Session::add('messages', 'errors', A11YC_LANG_SITECHECK_ERR_WRONG_DELIMITER);
            return false;
        }

        $test = @preg_match($keyword, 'text');
        if ($test === false)
        {
            Session::add('messages', 'errors', A11YC_LANG_SITECHECK_ERR_WRONG_RE);
            return false;
        }
        return true;
    }
}