<?php
/**
*
* This class for execute the external program of svn
*
* @auth Seven Yang <qineer@gmail.com>
*
*/
class SvnPeer
{

/**
* List directory entries in the repository
*
* @param string a specific project repository path
* @return bool true, if validated successfully, otherwise false
*/
static public function ls($repository)
{
$command = "svn ls " . $repository;
$output = SvnPeer::runCmd($command);
$output = implode("<br>", $output);
if (strpos($output, 'non-existent in that revision')) {
return false;
}

return "<br>" . $command . "<br>" . $output;
}

/**
* Duplicate something in working copy or repository, remembering history
*
* @param $src
* @param $dst
* @param $comment string specify log message
* @return bool true, if copy successfully, otherwise return the error message
*
* @todo comment need addslashes for svn commit
*/
static public function copy($src, $dst, $comment)
{
$command = "svn cp $src $dst -m '$comment'";
$output = SvnPeer::runCmd($command);
$output = implode("<br>", $output);

if (strpos($output, 'Committed revision')) {
return true;
}

return "<br>" . $command . "<br>" . $output;
}

/**
* Remove files and directories from version control
*
* @param $url
* @return bool true, if delete successfully, otherwise return the error message
*
* @todo comment need addslashes for svn commit
*/
static public function delete($url, $comment)
{
$command = "svn del $url -m '$comment'";
$output = SvnPeer::runCmd($command);
$output = implode('<br>', $output);
if (strpos($output, 'Committed revision')) {
return true;
}

return "<br>" . $command . "<br>" . $output;
}

/**
* Move and/or rename something in working copy or repository
*
* @param $src string trunk path
* @param $dst string new branch path
* @param $comment string specify log message
* @return bool true, if move successfully, otherwise return the error message
*
* @todo comment need addslashes for svn commit
*/
static public function move($src, $dst, $comment)
{
$command = "svn mv $src $dst -m '$comment'";
$output = SvnPeer::runCmd($command);
$output = implode('<br>', $output);

if (strpos($output, 'Committed revision')) {
return true;
}

return "<br>" . $command . "<br>" . $output;
}

/**
* Create a new directory under version control
*
* @param $url string
* @param $comment string the svn message
* @return bool true, if create successfully, otherwise return the error message
*
* @todo comment need addslashes for svn commit
*/
static public function mkdir($url, $comment)
{
$command = "svn mkdir $url -m '$comment'";
$output = SvnPeer::runCmd($command);
$output = implode('<br>', $output);

if (strpos($output, 'Committed revision')) {
return true;
}

return "<br>" . $command . "<br>"