<?php
	$link = pg_connect("dbname=metadata user=gis password=gispassword host=210.77.68.241");
	if (!$link) 
	{
		die("Error in connection: " . pg_last_error());
	}
	$sql="select dataorder.userid,dataset.path from dataorder left join dataset on dataorder.uuid=dataset.uuid 
		where dataorder.status in (0,5) and dataset.host='ftp2.westgis.ac.cn' and dataset.path<>''
		and dataorder.ts_approved<now()-interval '3 months'
		and dataorder.ts_approved>=now()-interval '4 months'
		and dataorder.selection is null";
	$result = pg_query($link, $sql);
	$numrows = pg_num_rows($result);

   $content='';
	for($ri = 0; $ri < $numrows; $ri++) 
	{
		$row = pg_fetch_array($result, $ri);
		$content.='# path: '.$row['path']."\n";
		$content.='umount "/home/ftp/westdc_'.$row['userid'].'/'.preg_replace('/^.+[\\\\\\/]/', '', rtrim($row['path'],'/')).'"'."\n";
   }

   $filename='./ftp-umount.sh';
   if (!empty($content)) 
   	if (!file_put_contents($filename, $content, LOCK_EX))
   	{
   		sleep(1);
   		if (!file_put_contents($filename, $content, LOCK_EX))
   		{
   			sleep(1);
   			if (!file_put_contents($filename, $content, LOCK_EX))
   				die("error in write proftp-user.sh");
   		}
   	}
	pg_free_result($result);
	pg_close($link);
?>