<?php
/**
* @class FilesMgr
* @brief
* @author Elena
* @version $Id: FilesMgr.php 2830 2015-03-26 10:33:05Z elena $
*/
// private $userDirs = array('USERWSDIR' => 'WS', 'USERREQDIR' => 'REQ', 'USERDATADIR' => 'DATA',
// 'USERWORKINGDIR' =>'RES', 'USERTTDIR' => 'TT', 'USERJOBDIR' => 'JOBS');
class FilesMgr extends AmdaObjectMgr {
private $fileName, $fileId, $theFile;
public $xp;
private $fileMgr = NULL; //used when a file format needs to use a specific manager
private $sampling = -100.0, $maxSampling = -100.0;
private $ncID = NULL;
private $simuContentRootId;
function __construct()
{
parent::__construct('Files.xml');
$this->contentRootId = 'myData-treeRootNode';
$this->contentRootTag = 'fileList';
$this->attributes = array('name' => '', 'start' => '', 'stop' => '');
$this->optionalAttributes = array();
$this->objTagName = 'file';
if (!file_exists($this->xmlName)) {
$this->createDom();
$this->xp = new domxpath($this->contentDom);
}
}
/*
* Create Content Dom 'Files.xml' if it doesn't exist
*/
protected function createDom()
{
$rootElement = $this->contentDom->createElement('ws');
$typeElement = $this->contentDom->createElement($this->contentRootTag);
$typeElement->setAttribute('xml:id', $this->contentRootId);
$rootElement->appendChild($typeElement);
$this->contentDom->appendChild($rootElement);
// $typeElement = $this->contentDom->createElement($this->contentRootTag);
// $rootElement->appendChild($typeElement);
// $this->contentDom->appendChild($rootElement);
$this->contentDom->save($this->xmlName);
}
/*
* VOTable format processing done by an instance of VOTableMgr
*/
protected function getVotFileMgr()
{
if (!$this->fileMgr)
{
$this->fileMgr = new VOTableMgr();
$this->fileMgr->load($this->fileName);
}
return $this->fileMgr;
}
/*
* CDF format processing
*/
protected function getCdfStartStop()
{
exec('cdfstartstopfromdata '.$this->fileName, $start_stop);
return $start_stop[0];
}
protected function getCdfVars()
{
exec('cdfinfo '.$this->fileName, $results);
return $results;
}
protected function getCdfVarInfo($cdfVarId)
{
exec('cdfvarinfo '.$this->fileName.' '.$cdfVarId, $results);
$tempArr = explode(' ', $results[0]);
// data type
switch ($tempArr[0])
{
case "CDF_FLOAT" :
case "CDF_REAL4" : $data_type = 'FLOAT';
break;
case "CDF_INT2":
case "CDF_UCHAR":
case "CDF_UINT1" : $data_type = 'SHORT';
break;
case "CDF_UINT2":
case "CDF_INT4" : $data_type = 'INTEGER';
break;
case "CDF_DOUBLE":
case "CDF_REAL8":
case "CDF_UINT4": $data_type = 'DOUBLE';
break;
default : $data_type = 'FLOAT';
}
// data dimensions & number of records
$n_recs = $tempArr[2];
if ($tempArr[1] != 0) {
$size = $tempArr[3];
//TODO 2D,3D,4D array no processing
// if ($tempArr[1] > 1)
}
else {
$size = 1;
}
return array('type' => $data_type, 'size' => $size, 'n_records' => $n_recs);
}
protected function getCdfSampling()
{
copy($this->fileName, "temp.cdf");
exec('cdfsamplingfromdata ', $results);
unlink("temp.cdf");
return $results;
}
/*
* CEF format processing
*/
protected function getCefStartStop() {
exec("cefstartstop ".$this->fileName, $start_stop);
return $start_stop[0];
}
protected function getCefTimeInfo() {
$timeinfo = exec("ceftimeinfo ".$this->fileName);
return $timeinfo;
}
protected function getCefVars() {
exec('cefinfo '.$this->fileName, $results);
return $results;
}
protected function getCefVarInfo($cdfVarId) {
exec('cefvarinfo '.$this->fileName." ".$cdfVarId, $results);
$tempArr = explode(' ', $results[0]);
// data type
switch ($tempArr[0]) {
case "CEF_FLOAT" : $data_type = 'FLOAT';
break;
case "CEF_SHORT": $data_type = 'SHORT';
break;
case "CEF_INT": $data_type = 'INTEGER';
break;
case "CEF_DOUBLE": $data_type = 'DOUBLE';
break;
default : $data_type = 'FLOAT';
}
// data dimensions & number of records3
$n_recs = $tempArr[2];
if ($tempArr[1] != 0) {
$size = $tempArr[3];
//TODO 2D,3D,4D array no processing
// if ($tempArr[1] > 1)
}
else {
$size = 1;
}
return array('type' => $data_type, 'size' => $size, 'n_records' => 'TBD');
}
protected function getCefSampling() {
exec('cefsampling '.$this->fileName, $results);
return $results;
}
/*
* netCDF format processing if needed
*/
protected function reformatNcTime() {
exec('nctimestring2double '.$this->fileName, $results);
return $results[0];
}
protected function getNcTimeInfo() {
exec('nctimeinfo '.$this->fileName, $result);
return $result[0];
}
protected function getNcVars(){
exec('getncvars '.$this->fileName, $result);
if ($result[0] < 0)
return $result[0];
$varsArr = explode("#",$result[0]);
return $varsArr;
}
protected function getNcVarInfo($varId) {
exec('ncvarinfo '.$this->fileName.' '.$this->param2dd($varId), $results);
$tempArr = explode(' ', $results[0]);
// data type
switch ($tempArr[0]) {
case "5": $data_type = 'FLOAT';
break;
case "3": $data_type = 'SHORT';
break;
case "4" : $data_type = 'INTEGER';
break;
case "6": $data_type = 'DOUBLE';
break;
default: $data_type = 'FLOAT';
}
// data dimensions & number of records
$n_recs = $tempArr[2];
if (count($tempArr) > 3) {
$size = $tempArr[3];
//TODO 2D,3D,4D array no processing
// if ($tempArr[1] > 1)
}
else {
$size = 1;
}
return array('type' => $data_type, 'size' => $size, 'n_records' => $n_recs);
}
protected function param2dd($paramID)
{
$pairs = array("-" => "_", "%" => "_","\\" => "_","$" => "_",":" => "_","+" =>" _","-" => "_","#" => "_","@" => "_", "." => "_",">" => "_", "<" => "_");
return strtr($paramID, $pairs);
}
/*
* ascii format processing
*/
protected function getTxtSampling() {
$StartTime = null;
if (!file_exists($this->fileName)) return -100;
$i = 0;
$handler = fopen($this->fileName, 'r');
if ($handler) {
while (!feof($handler) && !$StartTime) {
$oneLine = trim(fgets($handler));
$elems = explode(" ", preg_replace('/\s+/', ' ', $oneLine));
if ((strlen($elems[0]) < 16) || !($time = strtotime($elems[0]))) {
$i++;
continue;
}
$StartTime = $time;
if (!(is_numeric($elems[1]))) return -10;
$dt = $elems[1];
}
}
if (feof($handle)) return -10;
$oneLine = trim(fgets($handler));
$elems = explode(" ",$oneLine);
if (count($elems) < 2) return -10;
// dT else Array
if (!($time = strtotime($elems[0]))) return $dt;
else return $time - $StartTime;
}
public function getTxtSamplings() {
$StartTime = null;
if (!file_exists($this->fileName)) return array(-100);
$handler = fopen($this->fileName, 'r');
if ($handler) {
$i = 0;
while (!feof($handler) && !$StartTime) {
$oneLine = trim(fgets($handler));
$elems = explode(" ", preg_replace('/\s+/', ' ', $oneLine));
if (strlen($elems[0]) < 16 || !($time = strtotime($elems[0]))) {
$i++;
continue;
}
$StartTime = $time;
if (!(is_numeric($elems[1]))) return array(-10);
$dt = $elems[1];
}
}
if (feof($handle)) return array(-10);
$oneLine = trim(fgets($handler));
$elems = explode(" ",$oneLine);
if (count($elems) < 2) return array (-1);
// dT else Array
if (!($time = strtotime($elems[0]))) return array($dt);
else {
$minSampling = +1.e31;
$maxSampling = 0.0;
while (!feof($handler)) {
$oneLine = trim(fgets($handler));
$elems = explode(" ",$oneLine);
if (count($elems) < 2) continue;
$StartTime = $time;
if (!($time = strtotime($elems[0]))) return array(-1);
$deltaT[$time - $StartTime]++;
}
foreach ($deltaT as $key => $value) {
if ($value < 5) continue;
if ($key < $minSampling) $minSampling = $key;
if ($key > $maxSampling) $maxSampling = $key;
}
return array($minSampling,$maxSampling);
}
}
/*
* Delete comments and convert time into double
*/
public function reformatTxt() {
$StartTime = null;
if (!file_exists($this->fileName)) return -100;
$handler = fopen($this->fileName, 'r');
if ($handler) {
$offset = ftell($handle);
$i = 0;
while (!$StartTime && !feof($handler)) {
$oneLine = trim(fgets($handler));
$elems = explode(" ", preg_replace('/\s+/', ' ', $oneLine));
if (!($time = strtotime($elems[0]))) {
$offset = ftell($handle);
$i++;
continue;
}
$StartTime = $time;
$dt = $elems[1];
}
}
$newfile = fopen(USERDATADIR."temp", "w");
$oneLine = trim(fgets($handler));
$elems = explode(" " , $oneLine);
// dT
if (!($time = strtotime($elems[0]))) {
$newtime = $StartTime;
settype($dt, "float");
if ($oneLine != PHP_EOL && count($elems) > 0) fwrite($newfile, $newtime." ".$oneLine.PHP_EOL);
$newtime += $dt;
while (!feof($handler)) {
$oneLine = trim(fgets($handler));
if ($oneLine != PHP_EOL && count($elems) > 0) fwrite($newfile, $newtime." ".$oneLine.PHP_EOL);
$newtime += $dt;
}
}
// Array
else {
fseek($handler, $offset);
while (!feof($handler)) {
$oneLine = trim(fgets($handler));
$elems = explode(" " ,$oneLine);
// empty lines
if (count($elems) < 2) continue;
$newtime = strtotime($elems[0]);
//TODO Error message if wrong time format...???
if (!$newtime) continue;
unset($elems[0]);
$newline = join($elems," ");
fwrite($newfile,$newtime." ". $newline.PHP_EOL);
}
}
fclose($newfile);
rename(USERDATADIR."temp",$this->fileName);
return $StartTime." ".$newtime;
}
/*
* Convert time into ISO
*/
protected function reformatTime($timeFormat, $timeLength, $doy) {
$formatLength = $timeLength == 'auto' ? strlen($timeFormat) + (strpos($timeFormat,"Y") !== false)*3 + (strpos($timeFormat,"y") !== false)
+ (strpos($timeFormat,"M") !== false)*2 + (strpos($timeFormat,"m") !== false)
+ (strpos($timeFormat,"d") !== false) + (strpos($timeFormat,"H") !== false)
+ (strpos($timeFormat,"i") !== false) + (strpos($timeFormat,"s") !== false)
+ (strpos($timeFormat,".u") !== false)*2 : $timeLength;
if (strpos($timeFormat,".u") !== false) {
$formatLength = $formatLength - 4;
$timeFormat = substr($timeFormat, 0, strlen($timeFormat)-2);
}
if (strpos($timeFormat,".k") !== false) {
$formatLength = $formatLength - 2;
$timeFormat = substr($timeFormat, 0, strlen($timeFormat)-2);
}
$handle = fopen($this->fileName,'r');
if ($handle) {
$newfile = fopen(USERDATADIR."temp", "w");
while (!feof($handle)) {
if (($oneLine = fgets($handle)) !== false) {
$line = $timeLength == 'auto' ? $line = trim(preg_replace('/\s+/', ' ', $oneLine)) : trim($oneLine);
if (strlen($line) > $formatLength) {
try
{
$date = DateTime::createFromFormat($timeFormat, trim(substr($line,0,$formatLength)));
if (!$date) {
if (strpos($line,'#') === 0) fwrite($newfile, $line.PHP_EOL);
}
else {
// DOY starts from 1
if ($doy) {
$date->modify('-1 day');
}
$suffix = preg_replace('/\s+/', ' ',substr($line, $formatLength));
fwrite($newfile,$date->format('Y-m-d')."T".$date->format('H:i:s').$suffix.PHP_EOL);
}
}
catch (Exception $e)
{
// fwrite($newfile,$line.PHP_EOL);
}
}
else
if (strpos($line,'#') === 0) fwrite($newfile,$line.PHP_EOL);
}
}
}
else {
if (file_exists($this->fileName)) {
fclose($handle);
unlink($this->fileName);
}
return $false;
}
fclose($newfile);
fclose($handle);
rename(USERDATADIR."temp", $this->fileName);
return true;
}
/*
* Returns number of columns in text file to create data model fields in MyDataUI.js
*/
protected function getTxtColNumber($timeDouble) {
if (!file_exists($this->fileName)) return -100;
$handle = fopen($this->fileName,'r');
if ($handle) {
$found = false;
$i = 0;
while (($line = trim(fgets($handle))) !== false && $i < 100) {
$elems = explode(" ", preg_replace('/\s+/', ' ', $line));
$i++;
if (count($elems) < 2 || strpos($elems[0], '#') === 0) continue;
if (!$timeDouble) {
if (strlen($elems[0]) >= 16 && ($time = strtotime($elems[0]))) {
$found = true;
break;
}
}
else {
$found = true;
break;
}
}
if (!feof($handle) && !$found) {
fclose($handle);
unlink($this->fileName);
return -1;
}
}
fclose($handle);
if (!$found) {
unlink($this->fileName);
return 0;
}
return count($elems);
}
/*
* new file tag in Files.xml
*/
protected function createSimuFile($format) {
$newFile = $this->contentDom->createElement('file');
$newFile->setAttribute('xml:id', $this->fileId);
$newFile->setAttribute('name', $this->fileId);
$newFile->setAttribute('format', $format);
$start_stop = explode(" ",$this->getVotFileMgr()->getStartStop());
$samplings = $this->getVotFileMgr()->getSamplings();
$minSamp = $samplings["minSampling"];
$maxSamp = $samplings["maxSampling"];
$desc = $this->getVotFileMgr()->getDescription();
$start = $start_stop[0];
$stop = $start_stop[1];
$newFile->setAttribute("start",$start);
$newFile->setAttribute("stop",$stop);
$newFile->setAttribute('minsampling',$minSamp);
$newFile->setAttribute('maxsampling',$maxSamp);
$newFile->setAttribute('uploaded', date('Y-m-d H:i:s'));
// generic MASK without datas for simu params
if ((strncmp($this->fileId, "impex___", 8) == 0) || (strncmp($this->fileId, "spase___", 8) == 0))
$newFile->setAttribute('mask', $this->getGenericMask());
$newFile->nodeValue = date('Y-m-d',$start)."T".date('H:i',$start)."-".date('Y-m-d',$stop)."T".date('H:i',$stop);
if ($desc != '')
$newFile->nodeValue .= (PHP_EOL.$desc);
return $newFile;
}
protected function createFile($format) {
$newFile = $this->contentDom->createElement('file');
$newFile->setAttribute('xml:id', $this->fileId);
$newFile->setAttribute('name', $this->fileId);
$newFile->setAttribute('format', $format);
switch ($format){
case "cdf":
$start_stop = explode(" ",$this->getCdfStartStop());
$result = $this->getCdfSampling();
//TODO process errors
$minSamp = $result[count($result)-1];
//TODO if min & max
$maxSamp = $minSamp;
break;
case "txt":
$start_stop = explode(" ",$this->reformatTxt());
if ($start_stop[0] < 0) return $start_stop;
$minSamp = $this->sampling;
$maxSamp = $this->maxSampling;
break;
case "cef":
// Test if 'standard' meta exist in CEF
$cefMetaTest = $this->getCefStartStop();
if ($cefMetaTest != -1) {
$cefStartStop = explode("/",$cefMetaTest);
$start_stop[] = strtotime($cefStartStop[0]);
$start_stop[] = strtotime($cefStartStop[1]);
$result = $this->getCefSampling();
$minSamp = $result[count($result)-1];
}
else {
// no META data - so time processing
$timeInfo = $this->getCefTimeInfo();
$timeInfoArr = explode(" ", $timeInfo);
$start_stop[] = $timeInfoArr[0];
$start_stop[] = $timeInfoArr[1];
$minSamp = $timeInfoArr[2];
}
//TODO if min & max
$maxSamp = $minSamp;
break;
case "vot" :
$start_stop = explode(" ",$this->getVotFileMgr()->getStartStop());
$samplings = $this->getVotFileMgr()->getSamplings();
$minSamp = $samplings["minSampling"];
$maxSamp = $samplings["maxSampling"];
$desc = $this->getVotFileMgr()->getDescription();
break;
case "nc":
$ncInfo = $this->getNcTimeInfo();
if ($ncInfo < 0) {
unlink($this->fileName);
return $ncInfo;
}
$ncInfoArr = explode("#",$ncInfo);
$start_stop = explode(":",$ncInfoArr[0]);
//TODO process errors
$minSamp = $ncInfoArr[1];
//TODO if min & max
$maxSamp = $minSamp;
break;
default:
}
$start = $start_stop[0];
$stop = $start_stop[1];
$newFile->setAttribute("start",$start);
$newFile->setAttribute("stop",$stop);
$newFile->setAttribute('minsampling',$minSamp);
$newFile->setAttribute('maxsampling',$maxSamp);
$newFile->setAttribute('uploaded', date('Y-m-d H:i:s'));
// generic MASK without datas for simu params
if ((strncmp($this->fileId, "impex___", 8) === 0) || (strncmp($this->fileId, "spase___", 8) === 0))
$newFile->setAttribute('mask', $this->getGenericMask());
else
$newFile->setAttribute('mask', $this->fileId);
$newFile->nodeValue = date('Y-m-d',$start)."T".date('H:i',$start)."-".date('Y-m-d',$stop)."T".date('H:i',$stop);
if ($desc != '')
$newFile->nodeValue .= (PHP_EOL.$desc);
return $newFile;
}
protected function getGenericMask() {
if (strncmp($this->fileId, "impex___", 8) == 0) {
$prefix = "impex___";
$tmpFileName = str_replace ("impex___", "", $this->fileId);
}
elseif (strncmp($this->fileId, "spase___", 8) == 0) {
$prefix = "spase___";
$tmpFileName = str_replace ("spase___", "", $this->fileId);
}
$tmpFileArray = explode( '.', $tmpFileName);
$tmpParamArray = explode( '_', $tmpFileArray[0]);
array_pop($tmpParamArray);
array_pop($tmpParamArray);
$tmpName = implode("_", $tmpParamArray);
$mask = $prefix.$tmpName."_*.xml";
return $mask;
}
/*
//TODO check how to upgrade this
*/
protected function getFormat() {
$ext = pathinfo($this->fileName, PATHINFO_EXTENSION);
if (PHP_VERSION_ID < 50300) {
$finfo = new finfo(FILEINFO_MIME, MAGIC_FILE);
$file_info = explode(";", $finfo->file($this->fileName));
}
else {
// PHP v >= 5.3 comes with its own magic file !!!!
$finfo = finfo_open(FILEINFO_MIME);
$file_info = explode(";",finfo_file($finfo, $this->fileName));
}
if (strpos($file_info[0],"plain") !== false) {
if (strpos($ext,"cef") !== false) return "cef";
return "txt";
}
if (strpos($file_info[0],"application/x-gzip") !== false) {
if (strpos($this->fileName,"cef.gz") !== false) return "cef";
}
if (strpos($file_info[0],"application/xml") !== false)
{
//if ($this->getVotFileMgr()->isValidSchema()) //BRE : No schema validation for the moment due to some trouble with Topcat (it can create not valid VOTable)
return "vot";
}
// check binary at different machines - if it works.....
if (strpos($file_info[0],"octet-stream") !== false) {
if (strpos($ext,"cdf") !== false) return "cdf";
if (strpos($ext,"nc") !== false) return "nc";
}
return "unknown";
}
/*
* PUBLIC FUNCTIONS
*/
public function getAsciiFile($name) {
$this->fileName = USERDATADIR.$name;
if (!file_exists(USERDATADIR.$name))
return array('success' => false, 'error' => 'No such file');
$handle = fopen($this->fileName, "r");
$fileToReturn = array();
$index = 0;
$tempFileToReturn = array();
while (!feof($handle)) {
$line = trim(fgets($handle));
$tempArr = explode(' ', preg_replace('/\s+/', ' ', $line));
if (count($tempArr) > 1) {
for ($i = 0; $i < count($tempArr); $i++) {
$name = $i === 0 ? 'Time' : 'n'.$i;
//transform double time to ISO
if ($name == 'Time') {
$temp = $tempArr[0];
settype($temp, 'double');
$tempArr[0] = date('Y-m-d H:i:s', $temp);
}
$tempFileToReturn[$name] = $tempArr[$i];
}
$fileToReturn[$index] = $tempFileToReturn;
$index++;
if ($index > MAX_FILE_INDEX_TO_SHOW) break;
}
}
return $fileToReturn;
}
/*
* Get info on parameter
*/
public function getParamInfo($obj){
$this->fileName = USERDATADIR.$obj->file;
$varId = $obj->varName;
$format = $obj->format;
// at first info from Files.xml
$file = $this->contentDom->getElementById($obj->file);
if ($file) {
if ($file->parentNode->tagName == 'folder')
$mask = $file->parentNode->getAttribute('name');
else
$mask = $file->getAttribute('mask');
$dom_info = array( 'name' => $varId,
'minsampling' => $file->getAttribute('minsampling'),
'maxsampling' => $file->getAttribute('maxsampling'),
'mask' => $mask);
}
else {
if ($format == "nc"){
$status = $this->reformatNcTime();
if ($status <= 0) {
unlink($this->fileName);
return array('success' => false, 'error' => 'error '.$timeFormat.PHP_EOL.'Time Format problem');
}
$ncInfo = $this->getNcTimeInfo();
$ncVars = $this->getNcVars();
if ($ncInfo < 0) {
unlink($this->fileName);
return $ncInfo;
}
$ncInfoArr = explode("#",$ncInfo);
$start_stop = explode(":",$ncInfoArr[0]);
//TODO process errors
$minSamp = $ncInfoArr[1];
//TODO if min & max
$maxSamp = $minSamp;
$dom_info = array( 'name' => $varId,
'minsampling' => $minSamp,
'maxsampling' => $maxSamp,
'mask' => $obj->mask);
}
}
switch ($format){
case "cdf":
$info = $this->getCdfVarInfo($varId);
break;
case "txt":
break;
case "cef":
$info = $this->getCefVarInfo($varId);
break;
case "nc":
$info = $this->getNcVarInfo($varId);
break;
case "vot":
$info = $this->getVotFileMgr()->getFieldInfoByID($varId);
break;
default:
}
return array('success' => true, 'info' => array_merge($dom_info,$info));
}
public function deleteObject($obj)
{
$myBaseManager = new BaseManager();
$paramMgr = new DerivedParamMgr('myDataParam');
$xpd = new domxpath($paramMgr->contentDom);
//File, not a folder
if ($obj->leaf) {
$this->fileName = USERDATADIR.$obj->id;
if (file_exists($this->fileName))
unlink($this->fileName);
$theFile = $this->contentDom->getElementById($obj->id);
// Update data base
$fileInBase = $myBaseManager->xp->query("//file[@name='".$obj->id."']");
if ($fileInBase->length > 0) {
$viInfo = $myBaseManager->delFile($fileInBase->item(0));
$mask = $viInfo['mask'];
$length = $viInfo['length'];
$params = $xpd->query("//mydata[@mask='".$mask."']");
if ($params->length > 0) {
// NO FILES in the mask; corresponding parameters are to be deleted
if ($length == 0) {
$paramsToDelete = array();
for ($i = $params->length; --$i >= 0; ) {
$id = $params->item($i)->getAttribute('xml:id');
$paramMgr->deleteParameter($id);
$paramMgr->deleteFromContent($params->item($i));
$paramsToDelete[] = $id;
}
}
// update params description in Content Dom
else {
$vi = $myBaseManager->getVi($mask);
$desc = $myBaseManager->getStartStop($vi);
foreach ($params as $param) $param->setAttribute("desc",$desc);
$paramMgr->saveContent();
}
}
}
// WS/Files.xml
if ($theFile) {
if ($desc)
$theFile->parentNode->setAttribute('info', $desc);
$theFile->parentNode->removeChild($theFile);
$this->contentDom->save($this->xmlName);
}
}
// Folder
else {
$mask = $obj->id;
$theMask = $this->contentDom->getElementById($obj->id);
$files = $theMask->getElementsByTagName('file');
foreach ($files as $file) {
$fileName = USERDATADIR.$file->getAttribute('name');
if (file_exists($fileName)) unlink($fileName);
}
$this->deleteFromContent($theMask);
$myBaseManager->delVI($mask);
$params = $xpd->query("//mydata[@mask='".$mask."']");
$paramsToDelete = array();
for ($i = $params->length; --$i >= 0; ) {
$id = $params->item($i)->getAttribute('xml:id');
$paramMgr->deleteParameter($id);
$paramMgr->deleteFromContent($params->item($i));
$paramsToDelete[] = $id;
}
}
// No more files for myDataParams
if ($paramsToDelete)
return array('id' => $obj->id, 'params' => $paramsToDelete);
// update info for myDataParams Start Stop were changed
return array('id' => $obj->id, 'mask' => $mask, 'maskDesc' => $desc);
}
public function deleteSimuObject($obj) {
$myBaseManager = new BaseManager();
$paramMgr = new DerivedParamMgr('mySimuParam');
$xpd = new domxpath($paramMgr->contentDom);
if ($obj->leaf) {
$this->fileName = USERDATADIR.$obj->id;
if (file_exists($this->fileName)) unlink($this->fileName);
$theFile = $this->contentDom->getElementById($obj->id);
if ($theFile) {
$theFile->parentNode->removeChild($theFile);
$this->contentDom->save($this->xmlName);
}
// update base data
$fileInBase = $myBaseManager->xp->query("//file[@name='".$obj->id."']");
if ($fileInBase->length > 0) {
$mask = $myBaseManager->delFile($fileInBase->item(0));
$params = $xpd->query("//mydata[@mask='".$mask."']");
if ($params->length > 0) {
// NO FILES in the mask; corresponding parameters are to be deleted
if (strcmp($mask, "NONEMPTY") != 0) {
$paramsToDelete = array();
for ($i = $params->length; --$i >= 0; ) {
$id = $params->item($i)->getAttribute('xml:id');
$paramMgr->deleteParameter($id);
$paramMgr->deleteFromContent($params->item($i));
$paramsToDelete[] = $id;
}
}
// update params description in Content Dom
else {
$vi = $myBaseManager->getVi($mask);
$desc = $myBaseManager->getStartStop($vi);
foreach ($params as $param) $param->setAttribute("desc",$desc);
$paramMgr->saveContent();
}
}
}
}
else {
$mask = $obj->id;
$theMask = $this->contentDom->getElementById($obj->id);
$files = $theMask->getElementsByTagName('file');
foreach ($files as $file) {
$fileName = USERDATADIR.$file->getAttribute('name');
if (file_exists($fileName)) unlink($fileName);
}
$this->deleteFromContent($theMask);
$myBaseManager->delVI($mask);
$params = $xpd->query("//mydata[@mask='".$mask."']");
$paramsToDelete = array();
for ($i = $params->length; --$i >= 0; ) {
$id = $params->item($i)->getAttribute('xml:id');
$paramMgr->deleteParameter($id);
$paramMgr->deleteFromContent($params->item($i));
$paramsToDelete[] = $id;
}
}
if ($paramsToDelete) return array('id' => $obj->id, 'params' => $paramsToDelete);
else return array('id' => $obj->id);
}
/*
* recombine files in Files.xml according to new Mask
*/
public function addMask($fileMask, $type) {
if ($this->contentDom ->getElementById($fileMask) != null) return false;
$filesInRoot = $this->xp->query("/ws/fileList/file");
$newMask = $this->contentDom->createElement("folder");
$newMask->setAttribute('xml:id', $fileMask);
$newMask->setAttribute('name', $fileMask);
for ($i = $filesInRoot->length; --$i >= 0;) {
$aFile = $filesInRoot->item($i);
// mask corresponds to file name
if ($this->fileMask($aFile->getAttribute("name"),$fileMask)) {
$newMask->appendChild($aFile);
}
}
$files = $newMask->getElementsByTagName("file");
if ($files->length == 0) return false;
foreach ($files as $file) {
$starts[] = $file->getAttribute("start");
$stops[] = $file->getAttribute("stop");
}
$newMask->setAttribute('info',date('Y-m-d',min($starts))."T".date('H:i',min($starts))."-".date('Y-m-d',max($stops))."T".date('H:i',max($stops)));
$fileList = $this->contentDom->getElementById($this->contentRootId);
$fileList->appendChild($newMask);
$this->contentDom->save($this->xmlName);
return true;
}
/*
* check correspondence FleName <=> Mask
* returns true if Mask fits FileName
*/
public function fileMask($fileName, $maskName) {
$mask = explode("*", $maskName);
if (strpos($fileName, $mask[0]) !== 0) return false;
if (count($mask) == 1) return true;
for ($i = 1; $i < count($mask); $i++)
if ($mask[$i] != null)
if (strpos($fileName, $mask[$i]) === false) return false;
return true;
}
/*
* Delete Mask
*/
public function delMask($oldMask) {
$mask = $this->contentDom->getElementById($oldMask);
if ($mask != null && $mask->tagName == "folder") {
$filesInMask = $mask->getElementsByTagName("file");
$fileList = $this->contentDom->getElementById($this->contentRootId);
while ($filesInMask->length > 0)
$fileList->appendChild($filesInMask->item(0));
$fileList->removeChild($mask);
$this->contentDom->save($this->xmlName);
return true;
}
return false;
}
/*
* mask or file
*/
public function getObject($name) {
$object = $this->contentDom->getElementById($name);
if (is_object($object)) {
// mask
if ($object->tagName == 'folder') {
$file = $object->getElementsByTagName('file');
if ($file->length > 0)
return $this->getUploadedObject($file->item(0)->getAttribute('name'));
else
return array('success' => false, 'error' => 'Mask is empty');
}
}
else
return array('success' => false, 'error' => 'No such mask in DOM');
// file
return $this->getUploadedObject($name);
}
/*
* Get generic info on uploaded file
*/
public function getUploadedObject($name) {
$this->fileName = USERDATADIR.$name;
$file = $this->contentDom->getElementById($name);
if (!$file)
return array('success' => false, 'error' => 'No such file in DOM');
$format = $file->getAttribute('format');
$minSamp = $file->getAttribute('minsampling');
$maxSamp = $file->getAttribute('maxsampling');
$mask = $file->parentNode->tagName == "folder" ? $file->parentNode->getAttribute("name") : null;
$maskDesc = $mask ? $file->parentNode->getAttribute('info') : null;
$desc = $file->nodeValue;
$foundTime = true;
switch ($format){
case "cdf":
$vars = $this->getCdfVars();
break;
case "txt":
$vars = $this->getTxtColNumber(true);
break;
case "nc" :
$vars = $this->getNcVars();
break;
case "cef":
$vars = $this->getCefVars();
break;
case "vot" :
$vars = $this->getVotFileMgr()->getFieldsInfo();
$foundTime = ($this->getVotFileMgr()->getTimeFieldIndex() > -1);
break;
default:
}
return array('success' => true, 'format' => $format, 'vars' => $vars, 'fileName' => $name,
'minsampling' => $minSamp, 'maxsampling' => $maxSamp, 'mask' => $mask, 'maskDesc' => $maskDesc,
'description' => $desc, 'foundTime' => $foundTime);
}
/*
* The very first processing of newly uploaded file file
* $formats = array('fileFormat', 'timeFormat', 'timeSampling', 'nonStandard', 'doy');
*/
public function addFile($fileName, $formats) {
$this->fileName = USERDATADIR.$fileName;
$this->fileId = $fileName;
$format = $this->getFormat();
if ($format === 'unknown'){
unlink($this->fileName);
return array('success' => false, 'error' => 'Sorry, unknown format of '.$fileName);
}
if ($format == 'txt') {
if ($formats["timeFormat"] == "user") {
$res = $this->reformatTime($formats["nonStandard"], $formats["timeLength"], $formats["doy"]);
if (!$res) {
unlink($this->fileName);
return array('success' => false, 'error' => 'can\'t reformat time');
}
}
// check if file is not empty
$vars = $this->getTxtColNumber(false);
if ($vars == -100) {
return array('success' => false, 'error' => 'no such file');
}
if ($vars == -1) {
unlink($this->fileName);
return array('success' => false, 'error' => 'while reading file');
}
if ($vars === 0) {
unlink($this->fileName);
return array('success' => false, 'error' => 'file contains no data');
}
if ($formats["timeSampling"] == "constant") {
$this->sampling = $this->getTxtSampling();
$this->maxSampling = $this->sampling;
}
else {
$samplings = $this->getTxtSamplings();
$this->sampling = $samplings[0];
$this->maxSampling = $samplings[1];
}
if ($this->sampling <= 0) {
unlink($this->fileName);
if ($this->sampling == -10) {
return array('success' => false, 'error' => 'Sorry, can\'t process'.$fileName.PHP_EOL.'. Check if there are non numeric chars in the data');
}
return array('success' => false, 'error' => 'Sorry, can\'t process Time for '.$fileName.PHP_EOL.'. Check time format, start time (> 1970-01-01) or sampling time (>= 1s)');
}
}
if ($format == 'nc') {
$status = $this->reformatNcTime();
if ($status <= 0) {
unlink($this->fileName);
return array('success' => false, 'error' => 'error '.$timeFormat.PHP_EOL.'Time Format problem');
}
}
//create new file tag with all attributes and add it to the content DOM
$newFile = $this->createFile($format);
if ($newFile < 0) {
unlink($this->fileName);
return array( 'success' => false, 'file' => $fileName);
}
$isMask = false;
$masks = $this->contentDom->getElementsByTagName("folder");
foreach ($masks as $mask) {
$folderMask = $mask->getAttribute("name");
if ($this->fileMask($fileName, $folderMask)) {
$mask->appendChild($newFile);
$files = $mask->getElementsByTagName("file");
foreach ($files as $file) {
$starts[] = $file->getAttribute("start");
$stops[] = $file->getAttribute("stop");
}
$mask->setAttribute("info", date('Y-m-d',min($starts))."T".date('H:i',min($starts))."-".date('Y-m-d',max($stops))."T".date('H:i',max($stops)));
$isMask = true;
break;
}
}
// no corresponding masks => add to fileList
if (!$isMask) {
$filesList = $this->contentDom->getElementById($this->contentRootId);
$filesList->appendChild($newFile);
}
$this->contentDom->save($this->xmlName);
//if mask exists - add to data base
$myBaseManager = new BaseManager();
$mask = $myBaseManager->addFile($fileName);
if ($mask != null) {
$startstop = $myBaseManager->getStartStop($myBaseManager->getVi($mask));
$myParamMgr = new DerivedParamMgr('myDataParam');
$myParamMgr->updateMydata($mask,$startstop);
}
return array( 'success' => true, 'file' => $fileName);
}
}
?>