protected function _export($start)
{
// do we have a valid filename
$this->_filename = Sh404sefHelperFiles::createFileName($this->_filename, 'sh404sef_export_' . $this->_context);
// put some data in the file
$end = $start + self::MAX_PAGEIDS_PER_STEP + 1;
$end = $end > $this->_total ? $this->_total : $end;
// fetch shURLs record from model
$model =& JModel::getInstance('urls', 'Sh404sefModel');
$model->setContext('urls.default');
$options = (object) array('layout' => 'export', 'getMetaData' => true);
$records = $model->getList($options, $returnZeroElement = false, $start, $forcedLimit = self::MAX_PAGEIDS_PER_STEP);
// do we need a header written to the file, for first record
$header = $start == 0 ? Sh404sefHelperGeneral::getExportHeaders($this->_context) . "\n" : '';
// format them for text file output
$data = '';
$counter = $start;
$glue = Sh404sefHelperFiles::$stringDelimiter . Sh404sefHelperFiles::$fieldDelimiter . Sh404sefHelperFiles::$stringDelimiter;
if (!empty($records)) {
foreach ($records as $record) {
$counter++;
$textRecord = $record->oldurl . $glue . $record->newurl . $glue . $record->cpt . $glue . $record->rank . $glue . $record->dateadd . $glue . Sh404sefHelperFiles::csvQuote($record->metatitle) . $glue . Sh404sefHelperFiles::csvQuote($record->metadesc) . $glue . Sh404sefHelperFiles::csvQuote($record->metakey) . $glue . Sh404sefHelperFiles::csvQuote($record->metalang) . $glue . Sh404sefHelperFiles::csvQuote($record->metarobots) . Sh404sefHelperFiles::$stringDelimiter;
$line = Sh404sefHelperFiles::$stringDelimiter . $counter . $glue . $textRecord;
$data .= $line . "\n";
}
}
// prepare data for storage
if (!empty($header)) {
// first record written to file, prepend header
$data = $header . $data;
}
// store in file
$status = Sh404sefHelperFiles::appendToFile($this->_filename, $data);
// return any error
return $status;
}
/**
* Creates an export file line, based on db record
*
* @param $record the data coming from DB
* @param $counter, running counter
* @param $glue , glue string between elements of records
*/
protected function _createLine($record, $counter, $glue)
{
$textRecord = $record->oldurl . $glue . $record->newurl . $glue . (empty($record->cpt) ? 0 : $record->cpt) . $glue . (empty($record->rank) ? 0 : $record->rank) . $glue . (!isset($record->dateadd) ? '0000-00-00' : $record->dateadd) . $glue . Sh404sefHelperFiles::csvQuote($record->metatitle) . $glue . Sh404sefHelperFiles::csvQuote($record->metadesc) . $glue . Sh404sefHelperFiles::csvQuote($record->metakey) . $glue . Sh404sefHelperFiles::csvQuote($record->metalang) . $glue . Sh404sefHelperFiles::csvQuote($record->metarobots) . Sh404sefHelperFiles::$stringDelimiter;
$line = Sh404sefHelperFiles::$stringDelimiter . $counter . $glue . $textRecord . "\n";
return $line;
}
