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importquestion.php
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<?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.
*
* $Id$
*/
//Ensure script is not run directly, avoid path disclosure
include_once("login_check.php");
$importquestion = "<div class='header'>".$clang->gT("Import Question")."</div>\n";
$importquestion .= "<div class='messagebox'>\n";
$sFullFilepath = $tempdir . DIRECTORY_SEPARATOR . $_FILES['the_file']['name'];
$aPathInfo = pathinfo($sFullFilepath);
$sExtension = $aPathInfo['extension'];
if (!@move_uploaded_file($_FILES['the_file']['tmp_name'], $sFullFilepath))
{
$fatalerror = sprintf ($clang->gT("An error occurred uploading your file. This may be caused by incorrect permissions in your %s folder."),$tempdir);
}
// validate that we have a SID and GID
if (!returnglobal('sid'))
{
$fatalerror .= $clang->gT("No SID (Survey) has been provided. Cannot import question.");
}
else
{
$surveyid=returnglobal('sid');
}
if (!returnglobal('gid'))
{
$fatalerror .= $clang->gT("No GID (Group) has been provided. Cannot import question");
return;
}
else
{
$postgid=returnglobal('gid');
}
if (isset($fatalerror))
{
$importquestion .= "<div class='warningheader'>".$clang->gT("Error")."</div><br />\n";
$importquestion .= $fatalerror."<br /><br />\n";
$importquestion .= "<input type='submit' value='".$clang->gT("Main Admin Screen")."' onclick=\"window.open('$scriptname', '_top')\" /><br /><br />\n";
$importquestion .= "</div>\n";
unlink($sFullFilepath);
return;
}
// IF WE GOT THIS FAR, THEN THE FILE HAS BEEN UPLOADED SUCCESFULLY
$importquestion .= "<div class='successheader'>".$clang->gT("Success")."</div> <br />\n"
.$clang->gT("File upload succeeded.")."<br /><br />\n"
.$clang->gT("Reading file..")."<br /><br />\n";
if (strtolower($sExtension)=='csv')
{
$aImportResults=CSVImportQuestion($sFullFilepath, $surveyid, $gid);
}
elseif (strtolower($sExtension)=='lsq')
{
$aImportResults=XMLImportQuestion($sFullFilepath, $surveyid, $gid);
}
else die('Unknown file extension');
FixLanguageConsistency($surveyid);
if (isset($aImportResults['fatalerror']))
{
$importquestion .= "<div class='warningheader'>".$clang->gT("Error")."</div><br />\n";
$importquestion .= $aImportResults['fatalerror']."<br /><br />\n";
$importquestion .= "<input type='submit' value='".$clang->gT("Main Admin Screen")."' onclick=\"window.open('$scriptname', '_top')\" />\n";
$importquestion .= "</div>\n";
unlink($sFullFilepath);
return;
}
$importquestion .= "<div class='successheader'>".$clang->gT("Success")."</div><br />\n"
."<strong><u>".$clang->gT("Question import summary")."</u></strong><br />\n"
."<ul style=\"text-align:left;\">\n"
."\t<li>".$clang->gT("Questions").": ".$aImportResults['questions']."</li>\n"
."\t<li>".$clang->gT("Subquestions").": ".$aImportResults['subquestions']."</li>\n"
."\t<li>".$clang->gT("Answers").": ".$aImportResults['answers']."</li>\n";
if (strtolower($sExtension)=='csv') {
$importquestion.="\t<li>".$clang->gT("Label sets").": ".$aImportResults['labelsets']." (".$aImportResults['labels'].")</li>\n";
}
$importquestion.="\t<li>".$clang->gT("Question attributes:").$aImportResults['question_attributes']."</li>"
."</ul>\n";
$importquestion .= "<strong>".$clang->gT("Question import is complete.")."</strong><br /> \n";
$importquestion .= "<input type='submit' value='".$clang->gT("Go to question")."' onclick=\"window.open('$scriptname?sid=$surveyid&gid=$gid&qid={$aImportResults['newqid']}', '_top')\" />\n";
$importquestion .= "</div><br />\n";
unlink($sFullFilepath);
/**
* This function imports an old-school question file (*.csv,*.sql)
*
* @param mixed $sFullFilepath Full file patch to the import file
* @param mixed $newsid Survey ID to which the question is attached
* @param mixed $newgid Group ID top which the question is attached
*/
function CSVImportQuestion($sFullFilepath, $newsid, $newgid)
{
global $dbprefix, $connect, $clang;
$aLIDReplacements=array();
$aQIDReplacements=array(); // this array will have the "new qid" for the questions, the key will be the "old qid"
$aSQIDReplacements=array();
$results['labelsets']=0;
$results['labels']=0;
$handle = fopen($sFullFilepath, "r");
while (!feof($handle))
{
$buffer = fgets($handle); //To allow for very long survey welcomes (up to 10k)
$bigarray[] = $buffer;
}
fclose($handle);
$importversion=0;
// Now we try to determine the dataformat of the survey file.
if (substr($bigarray[1], 0, 24) == "# SURVEYOR QUESTION DUMP")
{
$importversion = 100; // version 1.0 or 0.99 file
}
elseif (substr($bigarray[0], 0, 26) == "# LimeSurvey Question Dump" || substr($bigarray[0], 0, 27) == "# PHPSurveyor Question Dump")
{ // This is a >1.0 version file - these files carry the version information to read in line two
$importversion=(integer)substr($bigarray[1], 12, 3);
}
else // unknown file - show error message
{
$results['fatalerror'] = $clang->gT("This file is not a LimeSurvey question file. Import failed.");
}
if ((int)$importversion<112)
{
$results['fatalerror'] = $clang->gT("This file is too old. Only files from LimeSurvey version 1.50 (DBVersion 112) and newer are supported.");
}
for ($i=0; $i<9; $i++) //skipping the first lines that are not needed
{
unset($bigarray[$i]);
}
$bigarray = array_values($bigarray);
//QUESTIONS
if (array_search("# ANSWERS TABLE\n", $bigarray))
{
$stoppoint = array_search("# ANSWERS TABLE\n", $bigarray);
}
elseif (array_search("# ANSWERS TABLE\r\n", $bigarray))
{
$stoppoint = array_search("# ANSWERS TABLE\r\n", $bigarray);
}
else
{
$stoppoint = count($bigarray)-1;
}
for ($i=0; $i<=$stoppoint+1; $i++)
{
if ($i<$stoppoint-2) {$questionarray[] = $bigarray[$i];}
unset($bigarray[$i]);
}
$bigarray = array_values($bigarray);
//ANSWERS
if (array_search("# LABELSETS TABLE\n", $bigarray))
{
$stoppoint = array_search("# LABELSETS TABLE\n", $bigarray);
}
elseif (array_search("# LABELSETS TABLE\r\n", $bigarray))
{
$stoppoint = array_search("# LABELSETS TABLE\r\n", $bigarray);
}
else
{
$stoppoint = count($bigarray)-1;
}
for ($i=0; $i<=$stoppoint+1; $i++)
{
if ($i<$stoppoint-2) {$answerarray[] = $bigarray[$i];}
unset($bigarray[$i]);
}
$bigarray = array_values($bigarray);
//LABELSETS
if (array_search("# LABELS TABLE\n", $bigarray))
{
$stoppoint = array_search("# LABELS TABLE\n", $bigarray);
}
elseif (array_search("# LABELS TABLE\r\n", $bigarray))
{
$stoppoint = array_search("# LABELS TABLE\r\n", $bigarray);
}
else
{
$stoppoint = count($bigarray)-1;
}
for ($i=0; $i<=$stoppoint+1; $i++)
{
if ($i<$stoppoint-2) {$labelsetsarray[] = $bigarray[$i];}
unset($bigarray[$i]);
}
$bigarray = array_values($bigarray);
//LABELS
if (array_search("# QUESTION_ATTRIBUTES TABLE\n", $bigarray))
{
$stoppoint = array_search("# QUESTION_ATTRIBUTES TABLE\n", $bigarray);
}
elseif (array_search("# QUESTION_ATTRIBUTES TABLE\r\n", $bigarray))
{
$stoppoint = array_search("# QUESTION_ATTRIBUTES TABLE\r\n", $bigarray);
}
else
{
$stoppoint = count($bigarray)-1;
}
for ($i=0; $i<=$stoppoint+1; $i++)
{
if ($i<$stoppoint-2) {$labelsarray[] = $bigarray[$i];}
unset($bigarray[$i]);
}
$bigarray = array_values($bigarray);
//Question_attributes
$stoppoint = count($bigarray);
for ($i=0; $i<=$stoppoint+1; $i++)
{
if ($i<$stoppoint-1) {$question_attributesarray[] = $bigarray[$i];}
unset($bigarray[$i]);
}
$bigarray = array_values($bigarray);
if (isset($questionarray))
{
$questionfieldnames=convertCSVRowToArray($questionarray[0],',','"');
unset($questionarray[0]);
$countquestions = count($questionarray)-1;
}
else {$countquestions=0;}
if (isset($answerarray))
{
$answerfieldnames=convertCSVRowToArray($answerarray[0],',','"');
unset($answerarray[0]);
$countanswers = count($answerarray);
}
else {$countanswers=0;}
if (isset($labelsetsarray)) {$countlabelsets = count($labelsetsarray)-1;} else {$countlabelsets=0;}
if (isset($labelsarray)) {$countlabels = count($labelsarray)-1;} else {$countlabels=0;}
if (isset($question_attributesarray)) {$countquestion_attributes = count($question_attributesarray)-1;} else {$countquestion_attributes=0;}
$aLanguagesSupported = array(); // this array will keep all the languages supported for the survey
$sBaseLanguage = GetBaseLanguageFromSurveyID($newsid);
$aLanguagesSupported[]=$sBaseLanguage; // adds the base language to the list of supported languages
$aLanguagesSupported=array_merge($aLanguagesSupported,GetAdditionalLanguagesFromSurveyID($newsid));
// Let's check that imported objects support at least the survey's baselang
if (isset($questionarray))
{
$langfieldnum = array_search("language", $questionfieldnames);
$qidfieldnum = array_search("qid", $questionfieldnames);
$questionssupportbaselang = bDoesImportarraySupportsLanguage($questionarray,Array($qidfieldnum), $langfieldnum,$sBaseLanguage,true);
if (!$questionssupportbaselang)
{
$results['fatalerror']=$clang->gT("You can't import a question which doesn't support at least the survey base language.");
return $results;
}
}
if ($countanswers > 0)
{
$langfieldnum = array_search("language", $answerfieldnames);
$answercodefilednum1 = array_search("qid", $answerfieldnames);
$answercodefilednum2 = array_search("code", $answerfieldnames);
$answercodekeysarr = Array($answercodefilednum1,$answercodefilednum2);
$answerssupportbaselang = bDoesImportarraySupportsLanguage($answerarray,$answercodekeysarr,$langfieldnum,$sBaseLanguage);
if (!$answerssupportbaselang)
{
$results['fatalerror']=$clang->gT("You can't import answers which doesn't support at least the survey base language.");
return $results;
}
}
if ($countlabelsets > 0)
{
$labelsetfieldname = convertCSVRowToArray($labelsetsarray[0],',','"');
$langfieldnum = array_search("languages", $labelsetfieldname);
$lidfilednum = array_search("lid", $labelsetfieldname);
$labelsetssupportbaselang = bDoesImportarraySupportsLanguage($labelsetsarray,Array($lidfilednum),$langfieldnum,$sBaseLanguage,true);
if (!$labelsetssupportbaselang)
{
$results['fatalerror']=$clang->gT("You can't import label sets which don't support the current survey's base language");
return $results;
}
}
// I assume that if a labelset supports the survey's baselang,
// then it's labels do support it as well
//DO ANY LABELSETS FIRST, SO WE CAN KNOW WHAT THEIR NEW LID IS FOR THE QUESTIONS
if (isset($labelsetsarray) && $labelsetsarray) {
$csarray=buildLabelSetCheckSumArray(); // build checksums over all existing labelsets
$count=0;
foreach ($labelsetsarray as $lsa) {
$fieldorders =convertCSVRowToArray($labelsetsarray[0],',','"');
$fieldcontents=convertCSVRowToArray($lsa,',','"');
if ($count==0) {$count++; continue;}
$results['labelsets']++;
$labelsetrowdata=array_combine($fieldorders,$fieldcontents);
// Save old labelid
$oldlid=$labelsetrowdata['lid'];
// set the new language
unset($labelsetrowdata['lid']);
$newvalues=array_values($labelsetrowdata);
$newvalues=array_map(array(&$connect, "qstr"),$newvalues); // quote everything accordingly
$lsainsert = "INSERT INTO {$dbprefix}labelsets (".implode(',',array_keys($labelsetrowdata)).") VALUES (".implode(',',$newvalues).")"; //handle db prefix
$lsiresult=$connect->Execute($lsainsert);
// Get the new insert id for the labels inside this labelset
$newlid=$connect->Insert_ID("{$dbprefix}labelsets",'lid');
if ($labelsarray) {
$count=0;
foreach ($labelsarray as $la) {
$lfieldorders =convertCSVRowToArray($labelsarray[0],',','"');
$lfieldcontents=convertCSVRowToArray($la,',','"');
if ($count==0) {$count++; continue;}
// Combine into one array with keys and values since its easier to handle
$labelrowdata=array_combine($lfieldorders,$lfieldcontents);
$labellid=$labelrowdata['lid'];
if ($importversion<=132)
{
$labelrowdata["assessment_value"]=(int)$labelrowdata["code"];
}
if ($labellid == $oldlid) {
$labelrowdata['lid']=$newlid;
// translate internal links
$labelrowdata['title']=translink('label', $oldlid, $newlid, $labelrowdata['title']);
$newvalues=array_values($labelrowdata);
$newvalues=array_map(array(&$connect, "qstr"),$newvalues); // quote everything accordingly
$lainsert = "INSERT INTO {$dbprefix}labels (".implode(',',array_keys($labelrowdata)).") VALUES (".implode(',',$newvalues).")"; //handle db prefix
$liresult=$connect->Execute($lainsert);
$results['labels']++;
}
}
}
//CHECK FOR DUPLICATE LABELSETS
$thisset="";
$query2 = "SELECT code, title, sortorder, language, assessment_value
FROM {$dbprefix}labels
WHERE lid=".$newlid."
ORDER BY language, sortorder, code";
$result2 = db_execute_num($query2) or safe_die("Died querying labelset $lid<br />$query2<br />".$connect->ErrorMsg());
while($row2=$result2->FetchRow())
{
$thisset .= implode('.', $row2);
} // while
$newcs=dechex(crc32($thisset)*1);
unset($lsmatch);
if (isset($csarray))
{
foreach($csarray as $key=>$val)
{
if ($val == $newcs)
{
$lsmatch=$key;
}
}
}
if (isset($lsmatch))
{
//There is a matching labelset. So, we will delete this one and refer
//to the matched one.
$query = "DELETE FROM {$dbprefix}labels WHERE lid=$newlid";
$result=$connect->Execute($query) or safe_die("Couldn't delete labels<br />$query<br />".$connect->ErrorMsg());
$query = "DELETE FROM {$dbprefix}labelsets WHERE lid=$newlid";
$result=$connect->Execute($query) or safe_die("Couldn't delete labelset<br />$query<br />".$connect->ErrorMsg());
$newlid=$lsmatch;
}
else
{
//There isn't a matching labelset, add this checksum to the $csarray array
$csarray[$newlid]=$newcs;
}
//END CHECK FOR DUPLICATES
$aLIDReplacements[$oldlid]=$newlid;
}
}
// Import questions
if (isset($questionarray) && $questionarray) {
//Assuming we will only import one question at a time we will now find out the maximum question order in this group
//and save it for later
$newquestionorder = $connect->GetOne("SELECT MAX(question_order) AS maxqo FROM ".db_table_name('questions')." WHERE sid=$newsid AND gid=$newgid");
if (is_null($newquestionorder))
{
$newquestionorder=0;
}
else
{
$newquestionorder++;
}
foreach ($questionarray as $qa)
{
$qacfieldcontents=convertCSVRowToArray($qa,',','"');
$questionrowdata=array_combine($questionfieldnames,$qacfieldcontents);
// Skip not supported languages
if (!in_array($questionrowdata['language'],$aLanguagesSupported))
continue;
// replace the sid
$oldqid = $questionrowdata['qid'];
$oldsid = $questionrowdata['sid'];
$oldgid = $questionrowdata['gid'];
// Remove qid field if there is no newqid; and set it to newqid if it's set
if (!isset($newqid))
{
unset($questionrowdata['qid']);
}
else
{
db_switchIDInsert('questions',true);
$questionrowdata['qid'] = $newqid;
}
$questionrowdata["sid"] = $newsid;
$questionrowdata["gid"] = $newgid;
$questionrowdata["question_order"] = $newquestionorder;
// Save the following values - will need them for proper conversion later if ((int)$questionrowdata['lid']>0)
if ((int)$questionrowdata['lid']>0)
{
$oldquestion['lid1']=(int)$questionrowdata['lid'];
}
if ((int)$questionrowdata['lid1']>0)
{
$oldquestion['lid2']=(int)$questionrowdata['lid1'];
}
$oldquestion['oldtype']=$questionrowdata['type'];
// Unset label set IDs and convert question types
unset($questionrowdata['lid']);
unset($questionrowdata['lid1']);
if ($questionrowdata['type']=='W')
{
$questionrowdata['type']='!';
}
elseif ($questionrowdata['type']=='Z')
{
$questionrowdata['type']='L';
}
$oldquestion['newtype']=$questionrowdata['type'];
$questionrowdata=array_map('convertCsvreturn2return', $questionrowdata);
// translate internal links
$questionrowdata['title']=translink('survey', $oldsid, $newsid, $questionrowdata['title']);
$questionrowdata['question']=translink('survey', $oldsid, $newsid, $questionrowdata['question']);
$questionrowdata['help']=translink('survey', $oldsid, $newsid, $questionrowdata['help']);
$newvalues=array_values($questionrowdata);
$newvalues=array_map(array(&$connect, "qstr"),$newvalues); // quote everything accordingly
$qinsert = "INSERT INTO {$dbprefix}questions (".implode(',',array_keys($questionrowdata)).") VALUES (".implode(',',$newvalues).")";
$qres = $connect->Execute($qinsert) or safe_die ("Error: Failed to insert question<br />\n$qinsert<br />\n".$connect->ErrorMsg());
// set the newqid only if is not set
if (!isset($newqid))
{
$newqid=$connect->Insert_ID("{$dbprefix}questions","qid");
}
else
{
db_switchIDInsert('questions',false);
}
}
$qtypes = getqtypelist("" ,"array");
$results['answers']=0;
$results['subquestions']=0;
// Now we will fix up old label sets where they are used as answers
if ((isset($oldquestion['lid1']) || isset($oldquestion['lid2'])) && ($qtypes[$oldquestion['newtype']]['answerscales']>0 || $qtypes[$oldquestion['newtype']]['subquestions']>1))
{
$query="select * from ".db_table_name('labels')." where lid={$aLIDReplacements[$oldquestion['lid1']]} ";
$oldlabelsresult=db_execute_assoc($query);
while($labelrow=$oldlabelsresult->FetchRow())
{
if (in_array($labelrow['language'],$aLanguagesSupported)){
if ($qtypes[$oldquestion['newtype']]['subquestions']<2)
{
$qinsert = "insert INTO ".db_table_name('answers')." (qid,code,answer,sortorder,language,assessment_value,scale_id)
VALUES ($newqid,".db_quoteall($labelrow['code']).",".db_quoteall($labelrow['title']).",".db_quoteall($labelrow['sortorder']).",".db_quoteall($labelrow['language']).",".db_quoteall($labelrow['assessment_value']).",0)";
$qres = $connect->Execute($qinsert) or safe_die ("Error: Failed to insert answer <br />\n$qinsert<br />\n".$connect->ErrorMsg());
$results['answers']++;
}
else
{
if (isset($aSQIDReplacements[$labelrow['code']])){
$fieldname='qid,';
$data=$aSQIDReplacements[$labelrow['code']].',';
db_switchIDInsert('questions',true);
}
else{
$fieldname='' ;
$data='';
}
$qinsert = "insert INTO ".db_table_name('questions')." ($fieldname sid,gid,parent_qid,title,question,question_order,language,scale_id,type)
VALUES ($data $newsid,$newgid,$newqid,".db_quoteall($labelrow['code']).",".db_quoteall($labelrow['title']).",".db_quoteall($labelrow['sortorder']).",".db_quoteall($labelrow['language']).",1,".db_quoteall($oldquestion['newtype']).")";
$qres = $connect->Execute($qinsert) or safe_die ("Error: Failed to insert subquestion <br />\n$qinsert<br />\n".$connect->ErrorMsg());
if ($fieldname=='')
{
$aSQIDReplacements[$labelrow['code']]=$connect->Insert_ID("{$dbprefix}questions","qid");
}
else
{
db_switchIDInsert('questions',false);
}
}
}
}
if (isset($oldquestion['lid2']) && $qtypes[$oldquestion['newtype']]['answerscales']>1)
{
$query="select * from ".db_table_name('labels')." where lid={$aLIDReplacements[$oldquestion['lid2']]}";
$oldlabelsresult=db_execute_assoc($query);
while($labelrow=$oldlabelsresult->FetchRow())
{
if (in_array($labelrow['language'],$aLanguagesSupported)){
$qinsert = "insert INTO ".db_table_name('answers')." (qid,code,answer,sortorder,language,assessment_value,scale_id)
VALUES ($newqid,".db_quoteall($labelrow['code']).",".db_quoteall($labelrow['title']).",".db_quoteall($labelrow['sortorder']).",".db_quoteall($labelrow['language']).",".db_quoteall($labelrow['assessment_value']).",1)";
$qres = $connect->Execute($qinsert) or safe_die ($clang->gT("Error").": Failed to insert answer <br />\n$qinsert<br />\n".$connect->ErrorMsg());
}
}
}
}
//Do answers
if (isset($answerarray) && $answerarray)
{
foreach ($answerarray as $aa)
{
$answerfieldcontents=convertCSVRowToArray($aa,',','"');
$answerrowdata=array_combine($answerfieldnames,$answerfieldcontents);
if ($answerrowdata===false)
{
$importquestion.='<br />'.$clang->gT("Faulty line in import - fields and data don't match").":".implode(',',$answerfieldcontents);
}
// Skip not supported languages
if (!in_array($answerrowdata['language'],$aLanguagesSupported))
continue;
$code=$answerrowdata["code"];
$thisqid=$answerrowdata["qid"];
$answerrowdata["qid"]=$newqid;
if ($importversion<=132)
{
$answerrowdata["assessment_value"]=(int)$answerrowdata["code"];
}
// Convert default values for single select questions
if ($answerrowdata['default_value']=='Y' && ($oldquestion['newtype']=='L' || $oldquestion['newtype']=='O' || $oldquestion['newtype']=='!'))
{
$insertdata=array();
$insertdata['qid']=$newqid;
$insertdata['language']=$answerrowdata['language'];
$insertdata['defaultvalue']=$answerrowdata['answer'];
$query=$connect->GetInsertSQL($dbprefix.'defaultvalues',$insertdata);
$qres = $connect->Execute($query) or safe_die ("Error: Failed to insert defaultvalue <br />{$query}<br />\n".$connect->ErrorMsg());
}
// translate internal links
$answerrowdata['answer']=translink('survey', $oldsid, $newsid, $answerrowdata['answer']);
// Everything set - now insert it
$answerrowdata = array_map('convertCsvreturn2return', $answerrowdata);
if ($qtypes[$oldquestion['newtype']]['subquestions']>0) //hmmm.. this is really a subquestion
{
$questionrowdata=array();
if (isset($aSQIDReplacements[$answerrowdata['code'].$answerrowdata['qid']])){
$questionrowdata['qid']=$aSQIDReplacements[$answerrowdata['code'].$answerrowdata['qid']];
db_switchIDInsert('questions',true);
}
$questionrowdata['parent_qid']=$answerrowdata['qid'];
$questionrowdata['sid']=$newsid;
$questionrowdata['gid']=$newgid;
$questionrowdata['title']=$answerrowdata['code'];
$questionrowdata['question']=$answerrowdata['answer'];
$questionrowdata['question_order']=$answerrowdata['sortorder'];
$questionrowdata['language']=$answerrowdata['language'];
$questionrowdata['type']=$oldquestion['newtype'];
$tablename=$dbprefix.'questions';
$query=$connect->GetInsertSQL($tablename,$questionrowdata);
$qres = $connect->Execute($query) or safe_die ("Error: Failed to insert question <br />{$query}<br />\n".$connect->ErrorMsg());
if (!isset($questionrowdata['qid']))
{
$aSQIDReplacements[$answerrowdata['code'].$answerrowdata['qid']]=$connect->Insert_ID("{$dbprefix}questions","qid");
}
else
{
db_switchIDInsert('questions',false);
}
$results['subquestions']++;
// also convert default values subquestions for multiple choice
if ($answerrowdata['default_value']=='Y' && ($oldquestion['newtype']=='M' || $oldquestion['newtype']=='P'))
{
$insertdata=array();
$insertdata['qid']=$newqid;
$insertdata['sqid']=$aSQIDReplacements[$answerrowdata['code']];
$insertdata['language']=$answerrowdata['language'];
$insertdata['defaultvalue']='Y';
$tablename=$dbprefix.'defaultvalues';
$query=$connect->GetInsertSQL($tablename,$insertdata);
$qres = $connect->Execute($query) or safe_die ("Error: Failed to insert defaultvalue <br />{$query}<br />\n".$connect->ErrorMsg());
}
}
else // insert answers
{
unset($answerrowdata['default_value']);
$tablename=$dbprefix.'answers';
$query=$connect->GetInsertSQL($tablename,$answerrowdata);
$ares = $connect->Execute($query) or safe_die ("Error: Failed to insert answer<br />{$query}<br />\n".$connect->ErrorMsg());
$results['answers']++;
}
}
}
$results['question_attributes']=0;
// Finally the question attributes - it is called just once and only if there was a question
if (isset($question_attributesarray) && $question_attributesarray)
{//ONLY DO THIS IF THERE ARE QUESTION_ATTRIBUES
$fieldorders =convertCSVRowToArray($question_attributesarray[0],',','"');
unset($question_attributesarray[0]);
foreach ($question_attributesarray as $qar) {
$fieldcontents=convertCSVRowToArray($qar,',','"');
$qarowdata=array_combine($fieldorders,$fieldcontents);
$qarowdata["qid"]=$newqid;
unset($qarowdata["qaid"]);
$tablename="{$dbprefix}question_attributes";
$qainsert=$connect->GetInsertSQL($tablename,$qarowdata);
$result=$connect->Execute($qainsert) or safe_die ("Couldn't insert question_attribute<br />$qainsert<br />".$connect->ErrorMsg());
$results['question_attributes']++;
}
}
}
$results['newqid']=$newqid;
$results['questions']=1;
$results['newqid']=$newqid;
return $results;
}
/**
* This function imports a LimeSurvey .lsq question XML file
*
* @param mixed $sFullFilepath The full filepath of the uploaded file
* @param mixed $newsid The new survey id
* @param mixed $newgid The new question group id -the question will always be added after the last question in the group
*/
function XMLImportQuestion($sFullFilepath, $newsid, $newgid)
{
global $connect, $dbprefix, $clang;
$aLanguagesSupported = array(); // this array will keep all the languages supported for the survey
$sBaseLanguage = GetBaseLanguageFromSurveyID($newsid);
$aLanguagesSupported[]=$sBaseLanguage; // adds the base language to the list of supported languages
$aLanguagesSupported=array_merge($aLanguagesSupported,GetAdditionalLanguagesFromSurveyID($newsid));
$xml = simplexml_load_file($sFullFilepath);
if ($xml->LimeSurveyDocType!='Question') safe_die('This is not a valid LimeSurvey question structure XML file.');
$dbversion = (int) $xml->DBVersion;
$aQIDReplacements=array();
$results['defaultvalues']=0;
$results['answers']=0;
$results['question_attributes']=0;
$results['subquestions']=0;
$importlanguages=array();
foreach ($xml->languages->language as $language)
{
$importlanguages[]=(string)$language;
}
if (!in_array($sBaseLanguage,$importlanguages))
{
$results['fatalerror'] = $clang->gT("The languages of the imported question file must at least include the base language of this survey.");
return $results;
}
// First get an overview of fieldnames - it's not useful for the moment but might be with newer versions
/*
$fieldnames=array();
foreach ($xml->questions->fields->fieldname as $fieldname )
{
$fieldnames[]=(string)$fieldname;
};*/
// Import questions table ===================================================================================
// We have to run the question table data two times - first to find all main questions
// then for subquestions (because we need to determine the new qids for the main questions first)
$tablename=$dbprefix.'questions';
$newquestionorder=$connect->GetOne("SELECT MAX(question_order) AS maxqo FROM ".db_table_name('questions')." WHERE sid=$newsid AND gid=$newgid")+1;
if (is_null($newquestionorder))
{
$newquestionorder=0;
}
else {
$newquestionorder++;
}
foreach ($xml->questions->rows->row as $row)
{
$insertdata=array();
foreach ($row as $key=>$value)
{
$insertdata[(string)$key]=(string)$value;
}
$oldsid=$insertdata['sid'];
$insertdata['sid']=$newsid;
$insertdata['gid']=$newgid;
$insertdata['question_order']=$newquestionorder;
$oldqid=$insertdata['qid']; unset($insertdata['qid']); // save the old qid
// now translate any links
$insertdata['title']=translink('survey', $oldsid, $newsid, $insertdata['title']);
$insertdata['question']=translink('survey', $oldsid, $newsid, $insertdata['question']);
$insertdata['help']=translink('survey', $oldsid, $newsid, $insertdata['help']);
// Insert the new question
if (isset($aQIDReplacements[$oldqid]))
{
$insertdata['qid']=$aQIDReplacements[$oldqid];
db_switchIDInsert('questions',true);
}
$query=$connect->GetInsertSQL($tablename,$insertdata);
$result = $connect->Execute($query) or safe_die ($clang->gT("Error").": Failed to insert data<br />{$query}<br />\n".$connect->ErrorMsg());
if (!isset($aQIDReplacements[$oldqid]))
{
$newqid=$connect->Insert_ID($tablename,"qid"); // save this for later
$aQIDReplacements[$oldqid]=$newqid; // add old and new qid to the mapping array
}
else
{
db_switchIDInsert('questions',false);
}
}
// Import subquestions --------------------------------------------------------------
if (isset($xml->subquestions))
{
foreach ($xml->subquestions->rows->row as $row)
{
$insertdata=array();
foreach ($row as $key=>$value)
{
$insertdata[(string)$key]=(string)$value;
}
$insertdata['sid']=$newsid;
$insertdata['gid']=$newgid;
$oldsqid=(int)$insertdata['qid']; unset($insertdata['qid']); // save the old qid
$insertdata['parent_qid']=$aQIDReplacements[(int)$insertdata['parent_qid']]; // remap the parent_qid
// now translate any links
$insertdata['title']=translink('survey', $oldsid, $newsid, $insertdata['title']);
$insertdata['question']=translink('survey', $oldsid, $newsid, $insertdata['question']);
$insertdata['help']=translink('survey', $oldsid, $newsid, $insertdata['help']);
if (isset($aQIDReplacements[$oldsqid])){
$insertdata['qid']=$aQIDReplacements[$oldsqid];
db_switchIDInsert('questions',true);
}
$query=$connect->GetInsertSQL($tablename,$insertdata);
$result = $connect->Execute($query) or safe_die ($clang->gT("Error").": Failed to insert data<br />{$query}<br />\n".$connect->ErrorMsg());
$newsqid=$connect->Insert_ID($tablename,"qid"); // save this for later
if (!isset($insertdata['qid']))
{
$aQIDReplacements[$oldsqid]=$newsqid; // add old and new qid to the mapping array
}
else
{
db_switchIDInsert('questions',false);
}
$results['subquestions']++;
}
// Import answers --------------------------------------------------------------
if(isset($xml->answers))
{
$tablename=$dbprefix.'answers';
foreach ($xml->answers->rows->row as $row)
{
$insertdata=array();
foreach ($row as $key=>$value)
{
$insertdata[(string)$key]=(string)$value;
}
$insertdata['qid']=$aQIDReplacements[(int)$insertdata['qid']]; // remap the parent_qid
// now translate any links
$query=$connect->GetInsertSQL($tablename,$insertdata);
$result=$connect->Execute($query) or safe_die ($clang->gT("Error").": Failed to insert data<br />{$query}<br />\n".$connect->ErrorMsg());
$results['answers']++;
}
}
}
// Import questionattributes --------------------------------------------------------------
if(isset($xml->question_attributes))
{
$tablename=$dbprefix.'question_attributes';
foreach ($xml->question_attributes->rows->row as $row)
{
$insertdata=array();
foreach ($row as $key=>$value)
{
$insertdata[(string)$key]=(string)$value;
}
unset($insertdata['qaid']);
$insertdata['qid']=$aQIDReplacements[(integer)$insertdata['qid']]; // remap the parent_qid
// now translate any links
$query=$connect->GetInsertSQL($tablename,$insertdata);
$result=$connect->Execute($query) or safe_die ($clang->gT("Error").": Failed to insert data<br />{$query}<br />\n".$connect->ErrorMsg());
$results['question_attributes']++;
}
}
// Import defaultvalues --------------------------------------------------------------
if(isset($xml->defaultvalues))
{
$tablename=$dbprefix.'defaultvalues';
$results['defaultvalues']=0;
foreach ($xml->defaultvalues->rows->row as $row)
{
$insertdata=array();
foreach ($row as $key=>$value)
{
$insertdata[(string)$key]=(string)$value;
}
$insertdata['qid']=$aQIDReplacements[(int)$insertdata['qid']]; // remap the qid
$insertdata['sqid']=$aQIDReplacements[(int)$insertdata['sqid']]; // remap the subqeustion id
// now translate any links
$query=$connect->GetInsertSQL($tablename,$insertdata);
$result=$connect->Execute($query) or safe_die ($clang->gT("Error").": Failed to insert data<br />\$query<br />\n".$connect->ErrorMsg());
$results['defaultvalues']++;
}
}
$results['newqid']=$newqid;
$results['questions']=1;
$results['labelsets']=0;
$results['labels']=0;
return $results;
}