common-ui.php

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<?php
/***********************************************************
 Copyright (C) 2009-2014 Hewlett-Packard Development Company, L.P.
 Copyright (C) 2017, Siemens AG
 Copyright (C) 2020 Robert Bosch GmbH, Dineshkumar Devarajan <Devarajan.Dineshkumar@in.bosch.com>

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License version 2.1 as published by the Free Software Foundation.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with this library; if not, write to the Free Software Foundation, Inc.0
 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
***********************************************************/
use Symfony\Component\HttpFoundation\Session\Session;

function Array2SingleSelect($KeyValArray, $SLName="unnamed", $SelectedVal= "",
$FirstEmpty=false, $SelElt=true, $Options="", $ReturnKey=true)
{
  $str ="\n<select name='$SLName' $Options>\n";
  if ($FirstEmpty == true) {
    $str .= "<option value='' > </option>\n";
  }
  foreach ($KeyValArray as $key => $val) {
    if ($SelElt == true) {
      $SELECTED = ($val == $SelectedVal) ? "SELECTED" : "";
    } else {
      $SELECTED = ($key == $SelectedVal) ? "SELECTED" : "";
    }
    if ($ReturnKey == true) {
      $str .= "<option value='$key' $SELECTED>".htmlentities($val, ENT_QUOTES)."</option>\n";
    } else {
      $str .= "<option value='$val' $SELECTED>".htmlentities($val, ENT_QUOTES)."</option>\n";
    }
  }
  $str .= "</select>";
  return $str;
}


function Fatal($msg, $filenm, $lineno)
{
  echo "<hr>FATAL error, File: $filenm, Line number: $lineno<br>";
  echo "$msg<hr>";
  debugbacktrace();
  exit(1);
}

function debugbacktrace()
{
  echo "<pre>";
  debug_print_backtrace();
  echo "</pre>";
}

function debugprint($val, $title)
{
  echo $title, "<pre>";
  print_r($val);
  echo "</pre>";
}

function HumanSize( $bytes )
{
  foreach (array('B','KB','MB','GB','TB') as $unit) {
    if ($bytes < 1024) {
      return(round($bytes, 2) .' '. $unit);
    }
    $bytes /= 1024;
  }
  return(round($bytes, 2) . ' PB');
}

function GetFileExt($fname)
{
  $extpos = strrpos($fname, '.') + 1;
  $extension = strtolower(substr($fname, $extpos));
  return $extension;
}


function GetArrayVal($Key, $Arr)
{
  if (! is_array($Arr)) {
    return "";
  }
  if (array_key_exists($Key, $Arr)) {
    return ($Arr[$Key]);
  } else {
    return "";
  }
}

function HostListOption()
{
  global $SysConf;
  $options = "";
  $i = 0;
  foreach ($SysConf['HOSTS'] as $key => $value) {
    $options .= "<option value='$key' SELECTED> $key </option>\n";
    $i ++;
  }
  if (1 == $i) {
    return ""; // if only have one host, does not display
  }
  return $options;
}

function DownloadString2File($text, $name, $contentType)
{
  $connstat = connection_status();
  if ($connstat != 0) {
    return _("Lost connection.");
  }

  $session = new Session();
  $session->save();

  ob_end_clean();
  header("Expires: ".gmdate("D, d M Y H:i:s", mktime(date("H")+2, date("i"), date("s"), date("m"), date("d"), date("Y")))." GMT");
  header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
  header('Content-Description: File Transfer');
  header("Content-Type: $contentType");
  header("Content-Length: ".(string)(strlen($text)));
  header("Content-Disposition: attachment; filename=\"$name\"");
  header("Content-Transfer-Encoding: binary\n");

  echo $text;
  if ((connection_status() == 0) and ! connection_aborted()) {
    return true;
  }
  return _("Lost connection.");
}


function GetUploadtreeTableName($upload_pk)
{
  if (! empty($upload_pk)) {
    $upload_rec = GetSingleRec("upload", "where upload_pk='$upload_pk'");
    if (! empty($upload_rec['uploadtree_tablename'])) {
      return $upload_rec['uploadtree_tablename'];
    }
  }
  return "uploadtree";
}

function GetUploadName($upload_pk)
{
  if (empty($upload_pk)) {
    return "";
  }
  $upload_rec = GetSingleRec("upload", "where upload_pk='$upload_pk'");
  $upload_filename = $upload_rec['upload_filename'];
  if (empty($upload_filename)) {
    return "";
  } else {
    return $upload_filename;
  }
}

function GetUploadID($uploadtreeid)
{
  if (empty($uploadtreeid)) {
    return "";
  }
  $upload_rec = GetSingleRec("uploadtree", "where uploadtree_pk=$uploadtreeid");
  $uploadid = $upload_rec['upload_fk'];
  if (empty($uploadid)) {
    return "";
  } else {
    return $uploadid;
  }
}

function Get1stUploadtreeID($upload)
{
  global $PG_CONN;
  if (empty($upload)) {
    return "";
  }
  $sql = "SELECT max(uploadtree_pk) from uploadtree where upload_fk = $upload and parent is null;";
  $result = pg_query($PG_CONN, $sql);
  DBCheckResult($result, $sql, __FILE__, __LINE__);
  $row = pg_fetch_assoc($result);
  $uploadtree_id = $row['max'];
  pg_free_result($result);
  return $uploadtree_id;
}

function Convert2BrowserTime($server_time)
{
  $server_timezone = date_default_timezone_get();
  $browser_time = new \DateTime($server_time, new \DateTimeZone($server_timezone));
  if (array_key_exists("timezone", $_SESSION)) {
    $tz = $_SESSION["timezone"];
    $browser_time->setTimeZone(new \DateTimeZone($tz));
  }
  $time = $browser_time->format('Y-m-d H:i:s');
  return $time;
}