ChEventsSiteMaps.php

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<?php
 
ch_import('ChWsbSiteMaps');
ch_import('ChWsbPrivacy');
 
class ChEventsSiteMaps extends ChWsbSiteMaps
{
    protected $_oModule;
 
    protected function __construct($aSystem)
    {
        parent::__construct($aSystem);
 
        $this->_aQueryParts = array (
            'fields' => "`ID`, `EntryUri`, `Date`, `EventStart`, `EventEnd`", // fields list
            'field_date' => "Date", // date field name
            'field_date_type' => "timestamp", // date field type
            'table' => "`ch_events_main`", // table name
            'join' => "", // join SQL part
            'where' => "AND `Status` = 'approved' AND `allow_view_event_to` = '" . CH_WSB_PG_ALL . "'", // SQL condition, without WHERE
            'order' => " `Date` ASC ", // SQL order, without ORDER BY
        );
 
        $this->_oModule = ChWsbModule::getInstance('ChEventsModule');
    }
 
    protected function _genUrl ($a)
    {
        return CH_WSB_URL_ROOT . $this->_oModule->_oConfig->getBaseUri() . 'view/' . $a['EntryUri'];
    }
 
    protected function _genChangeFreq ($a)
    {
        // calculate the date which is closest to now
        $iDiffMin = PHP_INT_MAX;
        $aDateFields = array ('Date', 'EventStart', 'EventEnd');
        foreach ($aDateFields as $sField) {
            $iDiff = abs(time() - $a[$sField]);
            if ($iDiff < $iDiffMin)
                $iDiffMin = $iDiff;
        }
 
        if ($iDiffMin != PHP_INT_MAX)
            $a[$this->_aQueryParts['field_date']] = time() - $iDiffMin;
 
        return parent::_genChangeFreq ($a);
    }
}