<?
/*-----------------------------------------------------------------------------+
| MagneticOne                                                                  |
| Copyright (c) 2006 MagneticOne.com <contact@magneticone.com>                 |
| All rights reserved                                                          |
+------------------------------------------------------------------------------+
| PLEASE READ  THE FULL TEXT OF SOFTWARE LICENSE AGREEMENT IN THE "license.txt"|
| FILE PROVIDED WITH THIS DISTRIBUTION. THE AGREEMENT TEXT IS ALSO AVAILABLE   |
| AT THE FOLLOWING URL: http://www.magneticone.com/store/license.php           |
|                                                                              |
| THIS  AGREEMENT  EXPRESSES  THE  TERMS  AND CONDITIONS ON WHICH YOU MAY USE  |
| THIS SOFTWARE   PROGRAM   AND  ASSOCIATED  DOCUMENTATION   THAT  MAGNETICONE |
| (hereinafter  referred to as "THE AUTHOR") IS FURNISHING  OR MAKING          |
| AVAILABLE TO YOU WITH  THIS  AGREEMENT  (COLLECTIVELY,  THE  "SOFTWARE").    | 
| PLEASE   REVIEW   THE  TERMS  AND   CONDITIONS  OF  THIS  LICENSE AGREEMENT  | 
| CAREFULLY   BEFORE   INSTALLING   OR  USING  THE  SOFTWARE.  BY INSTALLING,  |
| COPYING   OR   OTHERWISE   USING   THE   SOFTWARE,  YOU  AND  YOUR  COMPANY  |
| (COLLECTIVELY,  "YOU")  ARE  ACCEPTING  AND AGREEING  TO  THE TERMS OF THIS  |
| LICENSE   AGREEMENT.   IF  YOU    ARE  NOT  WILLING   TO  BE  BOUND BY THIS  |
| AGREEMENT, DO  NOT INSTALL OR USE THE SOFTWARE.  VARIOUS   COPYRIGHTS   AND  |
| OTHER   INTELLECTUAL   PROPERTY   RIGHTS    PROTECT   THE   SOFTWARE.  THIS  |
| AGREEMENT IS A LICENSE AGREEMENT THAT GIVES  YOU  LIMITED  RIGHTS   TO  USE  |
| THE  SOFTWARE   AND  NOT  AN  AGREEMENT  FOR SALE OR FOR  TRANSFER OF TITLE. | 
| THE AUTHOR RETAINS ALL RIGHTS NOT EXPRESSLY GRANTED BY THIS AGREEMENT.       | 
|                                                                              |
| The Developer of the Code is MagneticOne,                                    |
| Copyright (C) 2006 All Rights Reserved.                                      |
+-----------------------------------------------------------------------------*/

// class for rss export
class m1_rss extends oscm1_main {
    // list of supported export formats
    var $supported_formats = array (array('id' => 'rss_092', 'text' => 'RSS 0.92'),
    array('id' => 'rss_1', 'text' => 'RSS 1.0'),
    array('id' => 'rss_2', 'text'  => 'RSS 2.0')
    );

    function ReadConfig() {
        $this->options['export_format'] = $this->select_config_value('M1_RSS_EXPORT_FORMAT');
        $this->options['export_languages'] = explode(',', $this->select_config_value('M1_RSS_EXPORT_LANGUAGE'));
        $this->options['export_categories'] = explode(',', $this->select_config_value('M1_RSS_EXPORT_CATEGORY'));
        return true;
    }

    function GetExportParams() {
        $this->options['export_format'] = $this->select_config_value('M1_RSS_EXPORT_FORMAT');
        $this->options['export_languages'] = $this->select_config_value('M1_RSS_EXPORT_LANGUAGE');
        $this->options['export_categories'] = $this->select_config_value('M1_RSS_EXPORT_CATEGORY');
    }

    /**
     * Method to update configiguration of this contribution
     *
     * @param array $input
     * @return boolean
     */
    function UpdateConfig($input) {
        // updating values for export format
        if (isset($input['export_format'])) {
            $this->update(M1_CONFIGURATION_VALUE_FIELD, $input['export_format'], M1_CONFIGURATION_KEY_FIELD . "='M1_RSS_EXPORT_FORMAT'");
        }
        // updating values for export languages

        if (is_array($input['export_languages'])) {
            foreach ($input['export_languages'] as $k=>$v) {
                $input['export_languages'][$k] = $this->prepare_input($v);
            }
            $exp_lang = join(',', $input['export_languages']);
        } else {
            $exp_lang = '';
        }
        $this->update(M1_CONFIGURATION_VALUE_FIELD, $exp_lang, M1_CONFIGURATION_KEY_FIELD . "='M1_RSS_EXPORT_LANGUAGE'");

        // updating values for category languages
        if (is_array($input['export_categories'])) {
            foreach ($input['export_categories'] as $k=>$v) {
                $input['export_categories'][$k] = $this->prepare_input($v);
            }
            $exp_lang = join(',', $input['export_categories']);
        } else {
            $exp_lang = '';
        }
        $this->update(M1_CONFIGURATION_VALUE_FIELD, $exp_lang, M1_CONFIGURATION_KEY_FIELD . "='M1_RSS_EXPORT_CATEGORY'");


        $this->ReadConfig();
        return true;
    }


    function GenerateFormat_rss_092() {

        Header('Content-Type: application/xml');
        $generation_date = date(r);
        $rdf_about = $_SERVER['SERVER_NAME'] . $_SERVER["REQUEST_URI"];
        $generator_name = M1_RSS_GENERATOR_NAME;
        $this->export_general['weblink'] = str_replace('http://', '', $this->export_general['weblink']);
        $this->export_general['weblink'] = str_replace('https://', '', $this->export_general['weblink']);

        $export = '<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet href="http://www.w3.org/2000/08/w3c-synd/style.css" type="text/css"?>
<!-- RSS for ' . $this->cleanText($this->export_general['store_name']) . ', generated on ' . $generation_date . ' -->
<rss version="0.92">
<channel>
<ttl>1440</ttl>
<title>' . $this->cleanText($this->export_general['rss_title']) . '</title>
<link>http://' . $this->export_general['weblink'] . '</link>
<description><![CDATA[' . $this->prepareCdata($this->export_general['description']) . ']]></description>
<webMaster><![CDATA[' . $this->prepareCdata($this->export_general['email_address']) . ']]></webMaster>
<lastBuildDate>' . $generation_date .'</lastBuildDate>
<docs>http://blogs.law.harvard.edu/tech/rss</docs>
';
        echo $export;
        if (is_array($this->export_products)) {
            foreach ($this->export_products as $k => $v) {
                $link = utf8_encode($this->format_product_url($k, $v['language_code']));
                echo '<item>' . "\n";
                echo '  <title>' , $this->cleanText($v['name']) , '</title>' . "\n";
                echo '  <category>' , $this->cleanText($v['category_name']) , '</category>' . "\n";
                echo '  <link>' , $link , '</link>' . "\n";
                echo '  <description><![CDATA[ ';
                if ($v['image'] != '') {
                    echo '<img src="' . $this->format_image_url($v['image']) . '" align="left" valign="top">';

                }
                echo $this->prepareCdata($v['description']);
                echo ']]></description>' . "\n";
                echo '</item>' . "\n";
            }
        }
        echo "</channel>";
        echo "</rss>";
    }

    function GenerateFormat_rss_1() {
        Header('Content-Type: application/xml');
        $generation_date = date(r);
        $rdf_about = $_SERVER['SERVER_NAME'] . $_SERVER["REQUEST_URI"];
        $generator_name = M1_RSS_GENERATOR_NAME;
        $this->export_general['weblink'] = str_replace('http://', '', $this->export_general['weblink']);
        $this->export_general['weblink'] = str_replace('https://', '', $this->export_general['weblink']);

        $export = '<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet href="http://www.w3.org/2000/08/w3c-synd/style.css" type="text/css"?>
<!-- RSS for '. $this->export_general['store_name'] .', generated on $generation_date -->
<rdf:RDF
  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:dc="http://purl.org/dc/elements/1.1/"
  xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
  xmlns:co="http://purl.org/rss/1.0/modules/company/"
  xmlns:ti="http://purl.org/rss/1.0/modules/textinput/"
  xmlns="http://purl.org/rss/1.0/"
>
<channel rdf:about="' . $rdf_about . '">
<ttl>1440</ttl>
<title>' . $this->cleanText($this->export_general['rss_title']) . '</title>
<link>http://' . $this->export_general['weblink'] . '</link>
<description><![CDATA[' . $this->prepareCdata($this->export_general['description']) . ']]></description>
';
        echo $export;
        if (is_array($this->export_products)) {
            echo '    <items><rdf:Seq>';

            foreach ($this->export_products as $k => $v) {
                $link = utf8_encode($this->format_product_url($k, $v['language_code']));
                echo '  <rdf:li resource="' .$link . '" />' . "\n";

            }
            echo '</rdf:Seq>    </items>';

        }
        echo '</channel>';
if (is_array($this->export_products)) {
            foreach ($this->export_products as $k => $v) {
                $link = utf8_encode($this->format_product_url($k, $v['language_code']));

                echo "<item rdf:about='$link'>\n";
                echo '  <title>' , $this->cleanText($v['name']) , '</title>' . "\n";
                echo '  <link>' , $link , '</link>' . "\n";
                //                echo "<dc:language>".utf8_encode(htmlspecialchars($v['language_code']))."</dc:language>\n";
                echo '  <description><![CDATA[ ';
                if ($v['image'] != '') {
                    echo '<img src="' . $this->format_image_url($v['image']) . '" align="left" valign="top">';

                }
                echo $this->prepareCdata($v['description']);
                echo ']]></description>' . "\n";
                echo '</item>' . "\n";
            }
        }
        echo "</rdf:RDF>";
    }
    function GenerateFormat_rss_2() {
        $generation_date = date(r);
        $rdf_about = $_SERVER['SERVER_NAME'] . $_SERVER["REQUEST_URI"];
        $generator_name = M1_RSS_GENERATOR_NAME;
        $this->export_general['weblink'] = str_replace('http://', '', $this->export_general['weblink']);
        $this->export_general['weblink'] = str_replace('https://', '', $this->export_general['weblink']);

        Header('Content-Type: application/xml');

        $export = '<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0">
<!-- RSS for ' . $this->cleanText($this->export_general['store_name']) . ', generated on ' . $generation_date . ' -->
<channel>
<ttl>1440</ttl>
<title>' . $this->cleanText($this->export_general['rss_title']) . '</title>
<link>http://' . $this->export_general['weblink'] . '</link>
<description><![CDATA[' . $this->prepareCdata($this->export_general['description']) . ']]></description>
<webMaster><![CDATA[' . $this->prepareCdata($this->export_general['email_address']) . ']]></webMaster>
<managingEditor><![CDATA[' . $this->prepareCdata($this->export_general['email_address']) . ']]></managingEditor>
<lastBuildDate>' . $generation_date .'</lastBuildDate>
<docs>http://blogs.law.harvard.edu/tech/rss</docs>
<generator>' . $this->cleanText($generator_name) . '</generator>
';
        echo $export;
        if (is_array($this->export_products)) {
            foreach ($this->export_products as $k => $v) {
                $link = utf8_encode($this->format_product_url($k, $v['language_code']));
                echo '<item>' . "\n";
		$v['name'] = str_replace('<br>','',$v['name']);
                $v['name'] = str_replace('<BR>','',$v['name']);
                $v['name'] = str_replace('<Br>','',$v['name']);
                $v['name'] = str_replace('<bR>','',$v['name']);
                $v['name'] = str_replace('color= ff0000','',$v['name']);
                $v['name'] = str_replace('<FONT color=#ff0000>','',$v['name']);
                $v['name'] = str_replace('</FONT>','',$v['name']);
                $v['name'] = str_replace('</font>','',$v['name']);
                $v['name'] = str_replace('</Font>','',$v['name']);
                $v['name'] = str_replace('<font color= ff0000 >','',$v['name']);
                echo '  <title>' ,  $this->cleanText($v['name']) , '</title>' . "\n";
                echo '  <category>' , $this->cleanText($v['category_name']) , '</category>' . "\n";
                echo '  <link>' , $link , '</link>' . "\n";
                echo '  <guid>' , $link , '</guid>' . "\n";
                echo '  <description><![CDATA[ ';
                if ($v['image'] != '') {
                    echo '<img src="' . $this->format_image_url($v['image']) . '" align="left" valign="top">';

                }
                echo $this->prepareCdata($v['description']);
                echo ']]></description>' . "\n";

                echo '</item>' . "\n";
            }
        }
        echo "</channel>";
        echo "</rss>";
    }

    /**
    * Cleans text of all formating and scripting code
    */
    function cleanText ( $text ) {
        $text = htmlspecialchars( $text );
        $text = preg_replace( "'<script[^>]*>.*?</script>'si", '', $text );
        $text = preg_replace( '/<a\s+.*?href="([^"]+)"[^>]*>([^<]+)<\/a>/is', '\2(\1)', $text );
        $text = preg_replace( '/<!--.+?-->/', '', $text );
        $text = preg_replace( '/{.+?}/', '', $text );
        $text = preg_replace( '/&nbsp;/', ' ', $text );
        $text = preg_replace( '/&amp;/', ' ', $text );
        $text = preg_replace( '/&quot;/', ' ', $text );
        $text = preg_replace( '<br>', '', $text );
        $text = preg_replace( '</br>', '', $text );
        $text = str_replace( '<', '', $text );
        $text = str_replace( '>', '', $text );
        $text = str_replace( '<>', '', $text );

        $text = strip_tags( $text );
        $text = $this->badChars($text);
        $text = htmlspecialchars( $text );
        return utf8_encode(html_entity_decode($text));
    }

    function prepareCdata($input)  {
        return str_replace(']]>', '', $this->badChars($input));
//        return $input;
    }
    function badChars ( $text ) {
//        return preg_replace('/[^a-zA-Z\-\.\_:0-9\xC0-\xFF@]+/', ' ', $text);
        return ereg_replace('([^[:print:]])', '', $text);
    }


}  // RSS class end
?>