<?php
/*
* LimeSurvey
* Copyright (C) 2007 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
* 
* $Id: dumpgroup.php 5747 2008-10-07 19:40:33Z c_schmitz $
*/



// DUMP THE RELATED DATA FOR A SINGLE QUESTION INTO A SQL FILE FOR IMPORTING LATER ON OR
// ON ANOTHER SURVEY SETUP DUMP ALL DATA WITH RELATED QID FROM THE FOLLOWING TABLES
// 1. questions
// 2. answers

include_once("login_check.php");

$gid = returnglobal('gid');
$surveyid = returnglobal('sid');

//Ensure script is not run directly, avoid path disclosure
if (!isset($dbprefix) || isset($_REQUEST['dbprefix'])) {die("Cannot run this script directly");}


//echo $htmlheader;
if (!$gid)
{
	echo $htmlheader;
	echo "<br />\n";
	echo "<table width='350' align='center' style='border: 1px solid #555555' cellpadding='1' cellspacing='0'>\n";
	echo "\t<tr bgcolor='#555555'><td colspan='2' height='4'><font size='1' face='verdana' color='white'><strong>".$clang->gT("Export Question")."</strong></td></tr>\n";
	echo "\t<tr bgcolor='#CCCCCC'><td align='center'>$setfont\n";
	echo "$setfont<br /><strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n"._EQ_NOGID."<br />\n";
	echo "<br /><input type='submit' value='".$clang->gT("Main Admin Screen")."' onclick=\"window.open('$scriptname', '_top')\">\n";
	echo "\t</td></tr>\n";
	echo "</table>\n";
	echo "</body></html>\n";
	exit;
}

$fn = "limesurvey_group_$gid.csv";

$dumphead = "# LimeSurvey Group Dump\n"
        . "# DBVersion $dbversionnumber\n"
        . "# This is a dumped group from the LimeSurvey Script\n"
        . "# http://www.limesurvey.org/\n"
        . "# Do not change this header!\n";


header("Content-Type: application/download");
header("Content-Disposition: attachment; filename=$fn");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");    // Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");  // always modified
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Pragma: cache");

//0: Groups Table
$gquery = "SELECT * 
           FROM {$dbprefix}groups 
		   WHERE gid=$gid";
$gdump = BuildCSVFromQuery($gquery);

//1: Questions Table
$qquery = "SELECT * 
           FROM {$dbprefix}questions 
		   WHERE gid=$gid";
$qdump = BuildCSVFromQuery($qquery);

//2: Answers table
$aquery = "SELECT DISTINCT {$dbprefix}answers.* 
           FROM {$dbprefix}answers, {$dbprefix}questions 
		   WHERE ({$dbprefix}answers.qid={$dbprefix}questions.qid) 
		   AND ({$dbprefix}questions.gid=$gid)";
$adump = BuildCSVFromQuery($aquery);

//3: Conditions table - THIS CAN ONLY EXPORT CONDITIONS THAT RELATE TO THE SAME GROUP
$cquery = "SELECT DISTINCT {$dbprefix}conditions.* 
           FROM {$dbprefix}conditions, {$dbprefix}questions, {$dbprefix}questions b 
		   WHERE ({$dbprefix}conditions.cqid={$dbprefix}questions.qid) 
		   AND ({$dbprefix}conditions.qid=b.qid) 
		   AND ({$dbprefix}questions.gid=$gid) 
		   AND (b.gid=$gid)";
$cdump = BuildCSVFromQuery($cquery);

//4: Labelsets Table
$lsquery = "SELECT DISTINCT {$dbprefix}labelsets.* 
            FROM {$dbprefix}labelsets, {$dbprefix}questions 
			WHERE ({$dbprefix}labelsets.lid={$dbprefix}questions.lid) 
			AND (type in ('F', 'W', 'H', 'Z', '1', ':', ';'))
			AND (gid=$gid)";
$lsdump = BuildCSVFromQuery($lsquery);

//5: Labelsets1 Table
//This exists specifically to deal with dual-scale questions (or any future question that may have 2 labelsets)
$lsquery = "SELECT DISTINCT {$dbprefix}labelsets.* FROM {$dbprefix}labelsets, {$dbprefix}questions WHERE ({$dbprefix}labelsets.lid={$dbprefix}questions.lid1) AND (type in ('1')) AND (gid=$gid)";
$ls1dump = BuildCSVFromQuery($lsquery);
$ls1=explode("\n", trim($ls1dump));

if(count($ls1)>3) {
  //If there is actually some data here, then add just the data (not the headers) into 
  // $ls1dump - which will be outputted directly after $lsdump
  $ls1dump=$ls1[4];
  $ls1dump .= "\n";
} else {
  //If there is no data then make it an empty string.
  $ls1dump = "";
}

//4a: Labels Table
$lquery = "SELECT {$dbprefix}labels.* FROM {$dbprefix}labels, {$dbprefix}questions WHERE ({$dbprefix}labels.lid={$dbprefix}questions.lid) AND (type in ('F', 'H', 'Z', 'W', '1', ':', ';')) AND (gid=$gid)";
$ldump = BuildCSVFromQuery($lquery);

//5a: Labels1 Table
// See explanation for Labelsets1 Table!! These are the actual labels
$lquery = "SELECT {$dbprefix}labels.* FROM {$dbprefix}labels, {$dbprefix}questions WHERE ({$dbprefix}labels.lid={$dbprefix}questions.lid1) AND (type in ('1')) AND (gid=$gid)";
$l1dump = BuildCSVFromQuery($lquery);
$ld1=explode("\n", trim($l1dump));

if(count($ld1)>3) {
  //If there is actually some data here, then add just the data (not the headers) into 
  // $l1dump - which will be outputted directly after $ldump
  $l1dump=array();
  foreach($ld1 as $key=>$ld) {
    //Put every line, other than the first three into this string
    if($key > 3) {
      $l1dump[]=$ld;
    }
  }
  $l1dump = implode("\n", $l1dump);
  $l1dump .= "\n";
} else {
  //If there is no data then make it an empty string.
  $l1dump = "";
}



//8: Question Attributes
$query = "SELECT DISTINCT {$dbprefix}question_attributes.* 
	   	  FROM {$dbprefix}question_attributes, {$dbprefix}questions 
		  WHERE ({$dbprefix}question_attributes.qid={$dbprefix}questions.qid) 
		  AND ({$dbprefix}questions.gid=$gid)";
$qadump = BuildCSVFromQuery($query);

// HTTP/1.0
echo $dumphead, $gdump, $qdump, $adump, $cdump, $lsdump, $ls1dump, $ldump, $l1dump, $qadump;
exit;
?>
