/**
* Get the date/time of the most recent time this record was indexed.
*
* @param string $core Solr core holding this record.
* @param string $id Record ID within specified core.
* @param string $date Date record was last modified.
*
* @return string Latest index date/time.
* @access public
*/
public static function getLastIndexed($core, $id, $date)
{
include_once 'services/MyResearch/lib/Change_tracker.php';
$date = strtotime($date);
$tracker = new Change_tracker();
$tracker->index($core, $id, $date);
$iso8601 = 'Y-m-d\\TH:i:s\\Z';
return date($iso8601, strtotime($tracker->last_indexed));
}
/**
* Get an object to list deleted records in the specified range.
*
* @param int $from Start date.
* @param int $until End date.
*
* @return object Change_tracker object.
* @access protected
*/
protected function listRecordsGetDeleted($from, $until)
{
$tracker = new Change_tracker();
$tracker->core = $this->core;
$tracker->whereAdd("\"deleted\" >= '" . date('Y-m-d H:i:s', $from) . "'");
$tracker->whereAdd("\"deleted\" <= '" . date('Y-m-d H:i:s', $until) . "'");
$tracker->orderBy('deleted');
return $tracker;
}
/**
* Delete Record from Database
*
* @param string $idList Array of IDs for record to delete
*
* @return boolean
* @access public
*/
public function deleteRecords($idList)
{
if ($this->debug) {
echo "<pre>Delete Record List</pre>\n";
}
// Build the delete XML
$body = '<delete>';
foreach ($idList as $id) {
$body .= '<id>' . htmlspecialchars($id) . '</id>';
}
$body .= '</delete>';
// Attempt to post the XML:
$result = $this->_update($body);
if (PEAR::isError($result)) {
PEAR::raiseError($result);
}
// Record the deletions in our change tracker database:
foreach ($idList as $id) {
$tracker = new Change_tracker();
$tracker->markDeleted($this->core, $id);
}
return $result;
}
