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CATI_Tool/include/limesurvey/admin/importquestion.php

520 lines
21 KiB
PHP

<?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: importquestion.php 4973 2008-06-01 14:07:01Z c_schmitz $
*/
//Ensure script is not run directly, avoid path disclosure
include_once("login_check.php");
// A FILE TO IMPORT A DUMPED question FILE, AND CREATE A NEW SURVEY
$importquestion = "<br /><table width='100%' align='center'><tr><td>\n"
."<table class='alertbox' >\n"
."\t<tr><td colspan='2' height='4'><strong>"
.$clang->gT("Import Question")."</strong></td></tr>\n"
."\t<tr><td align='center'>\n";
$the_full_file_path = $tempdir . "/" . $_FILES['the_file']['name'];
if (!@move_uploaded_file($_FILES['the_file']['tmp_name'], $the_full_file_path))
{
$importquestion .= "<strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n";
$importquestion .= sprintf ($clang->gT("An error occurred uploading your file. This may be caused by incorrect permissions in your %s folder."),$tempdir)."<br /><br />\n"
."<input type='submit' value='"
.$clang->gT("Main Admin Screen")."' onclick=\"window.open('$scriptname', '_self')\">\n"
."</td></tr></table>\n";
unlink($the_full_file_path);
return;
}
// validate that we have a SID and GID
if (!returnglobal('sid'))
{
$importquestion .= $clang->gT("No SID (Survey) has been provided. Cannot import question.")."<br /><br />\n"
."<input type='submit' value='"
.$clang->gT("Main Admin Screen")."' onclick=\"window.open('$scriptname', '_self')\">\n"
."</td></tr></table>\n";
unlink($the_full_file_path);
return;
}
else
{
$postsid=returnglobal('sid');
}
if (!returnglobal('gid'))
{
$importquestion .= $clang->gT("No GID (Group) has been provided. Cannot import question")."<br /><br />\n"
."</td></tr></table>\n";
unlink($the_full_file_path);
return;
}
else
{
$postgid=returnglobal('gid');
}
// IF WE GOT THIS FAR, THEN THE FILE HAS BEEN UPLOADED SUCCESFULLY
$importquestion .= "<strong><font class='successtitle'>".$clang->gT("Success")."</font></strong><br />\n"
.$clang->gT("File upload succeeded.")."<br /><br />\n"
.$clang->gT("Reading file..")."\n";
$handle = fopen($the_full_file_path, "r");
while (!feof($handle))
{
$buffer = fgets($handle, 10240); //To allow for very long survey welcomes (up to 10k)
$bigarray[] = $buffer;
}
fclose($handle);
// Now we try to determine the dataformat of the survey file.
if ((substr($bigarray[1], 0, 24) == "# SURVEYOR QUESTION DUMP")&& (substr($bigarray[4], 0, 29) == "# http://www.phpsurveyor.org/"))
{
$importversion = 100; // version 1.0 file
}
elseif
((substr($bigarray[1], 0, 24) == "# SURVEYOR QUESTION DUMP")&& (substr($bigarray[4], 0, 37) == "# http://phpsurveyor.sourceforge.net/"))
{
$importversion = 99; // Version 0.99 file or older - carries a different URL
}
elseif
(substr($bigarray[0], 0, 26) == "# LimeSurvey Question Dump" || substr($bigarray[0], 0, 27) == "# PHPSurveyor Question Dump")
{ // Wow.. this seems to be a >1.0 version file - these files carry the version information to read in line two
$importversion=substr($bigarray[1], 12, 3);
}
else // unknown file - show error message
{
$importquestion .= "<strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n";
$importquestion .= $clang->gT("This file is not a LimeSurvey question file. Import failed.")."<br /><br />\n";
$importquestion .= "</font></td></tr></table>\n";
$importquestion .= "</body>\n</html>\n";
unlink($the_full_file_path);
return;
}
if ($importversion != $dbversionnumber)
{
$importquestion .= "<strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n";
$importquestion .= $clang->gT("Sorry, importing questions is limited to the same version. Import failed.")."<br /><br />\n";
$importquestion .= "</font></td></tr></table>\n";
$importquestion .= "</body>\n</html>\n";
unlink($the_full_file_path);
return;
}
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[] = str_replace("`default`", "`default_value`", $bigarray[$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
if (!isset($noconditions) || $noconditions != "Y")
{
$stoppoint = count($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($questionarray)) {$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;}
$languagesSupported = array(); // this array will keep all the languages supported for the survey
// Let's check that imported objects support at least the survey's baselang
$langcode = GetBaseLanguageFromSurveyID($postsid);
$languagesSupported[$langcode] = 1; // adds the base language to the list of supported languages
if ($countquestions > 0)
{
$questionfieldnames = convertCSVRowToArray($questionarray[0],',','"');
$langfieldnum = array_search("language", $questionfieldnames);
$qidfieldnum = array_search("qid", $questionfieldnames);
$questionssupportbaselang = bDoesImportarraySupportsLanguage($questionarray,Array($qidfieldnum), $langfieldnum,$langcode,true);
if (!$questionssupportbaselang)
{
$importquestion .= "<strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n"
.$clang->gT("You can't import a question which doesn't support the current survey's base language")."<br /><br />\n"
."</td></tr></table>\n";
unlink($the_full_file_path);
return;
}
}
foreach (GetAdditionalLanguagesFromSurveyID($postsid) as $language)
{
$languagesSupported[$language] = 1;
}
// Let's assume that if the questions do support tye baselang
// Then the answers do support it as well.
// ==> So the following section is commented for now
//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,$langcode);
// if (!$answerssupportbaselang)
// {
// $importquestion .= "<strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n"
// .$clang->gT("You can't import answers which don't support current survey's base language")."<br /><br />\n"
// ."</td></tr></table>\n";
// return;
// }
//
//}
if ($countlabelsets > 0)
{
$labelsetfieldname = convertCSVRowToArray($labelsetsarray[0],',','"');
$langfieldnum = array_search("languages", $labelsetfieldname);
$lidfilednum = array_search("lid", $labelsetfieldname);
$labelsetssupportbaselang = bDoesImportarraySupportsLanguage($labelsetsarray,Array($lidfilednum),$langfieldnum,$langcode,true);
if (!$labelsetssupportbaselang)
{
$importquestion .= "<strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n"
.$clang->gT("You can't import label sets which don't support the current survey's base language")."<br /><br />\n"
."</td></tr></table>\n";
unlink($the_full_file_path);
return;
}
}
// I assume that if a labelset supports the survey's baselang,
// then it's labels do support it as well
// GET SURVEY AND GROUP DETAILS
$surveyid=$postsid;
$gid=$postgid;
$newsid=$surveyid;
$newgid=$gid;
//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;}
$labelsetrowdata=array_combine($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 ($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);
}
}
}
//CHECK FOR DUPLICATE LABELSETS
$thisset="";
$query2 = "SELECT code, title, sortorder, language
FROM {$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
$labelreplacements[]=array($oldlid, $newlid);
}
}
// QUESTIONS, THEN ANSWERS FOR QUESTIONS IN A NESTED FORMAT!
if (isset($questionarray) && $questionarray) {
$qafieldorders=convertCSVRowToArray($questionarray[0],',','"');
unset($questionarray[0]);
//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
$qmaxqo = "SELECT MAX(question_order) AS maxqo FROM ".db_table_name('questions')." WHERE sid=$newsid AND gid=$newgid";
$qres = db_execute_assoc($qmaxqo) or safe_die ($clang->gT("Error").": Failed to find out maximum question order value<br />\n$qmaxqo<br />\n".$connect->ErrorMsg());
$qrow=$qres->FetchRow();
$newquestionorder=$qrow['maxqo']+1;
foreach ($questionarray as $qa) {
$qacfieldcontents=convertCSVRowToArray($qa,',','"');
$newfieldcontents=$qacfieldcontents;
$questionrowdata=array_combine($qafieldorders,$qacfieldcontents);
if (isset($languagesSupported[$questionrowdata["language"]]))
{
$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
$questionrowdata['qid'] = $newqid;
$questionrowdata["sid"] = $newsid;
$questionrowdata["gid"] = $newgid;
$questionrowdata["question_order"] = $newquestionorder;
// Now we will fix up the label id
$type = $questionrowdata["type"]; //Get the type
if ($type == "F" || $type == "H" || $type == "W" || $type == "Z")
{//IF this is a flexible label array, update the lid entry
if (isset($labelreplacements)) {
foreach ($labelreplacements as $lrp) {
if ($lrp[0] == $questionrowdata["lid"]) {
$questionrowdata["lid"]=$lrp[1];
}
}
}
}
$other = $questionrowdata["other"]; //Get 'other' field value
$oldlid = $questionrowdata["lid"];
$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 ($clang->gT("Error").": Failed to insert question<br />\n$qinsert<br />\n".$connect->ErrorMsg());
// set the newqid only if is not set
if (!isset($newqid))
$newqid=$connect->Insert_ID("{$dbprefix}questions","qid");
}
}
//NOW DO ANSWERS FOR THIS QID - Is called just once and only if there was a question
if (isset($answerarray) && $answerarray) {
foreach ($answerarray as $aa) {
$answerfieldcontents=convertCSVRowToArray($aa,',','"');
$answerrowdata=array_combine($answerfieldnames,$answerfieldcontents);
if (isset($languagesSupported[$answerrowdata["language"]]))
{
$code=$answerrowdata["code"];
$thisqid=$answerrowdata["qid"];
$answerrowdata["qid"]=$newqid;
// translate internal links
$answerrowdata['answer']=translink('survey', $oldsid, $newsid, $answerrowdata['answer']);
$newvalues=array_values($answerrowdata);
$newvalues=array_map(array(&$connect, "qstr"),$newvalues); // quote everything accordingly
$ainsert = "INSERT INTO {$dbprefix}answers (".implode(',',array_keys($answerrowdata)).") VALUES (".implode(',',$newvalues).")";
$ares = $connect->Execute($ainsert) or safe_die ($clang->gT("Error").": Failed to insert answer<br />\n$ainsert<br />\n".$connect->ErrorMsg());
}
}
}
// Finally the question attributes - Is called just once and only if there was a question
if (isset($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"]);
$newvalues=array_values($qarowdata);
$newvalues=array_map(array(&$connect, "qstr"),$newvalues); // quote everything accordingly
$qainsert = "INSERT INTO {$dbprefix}question_attributes (".implode(',',array_keys($qarowdata)).") VALUES (".implode(',',$newvalues).")";
$result=$connect->Execute($qainsert) or safe_die ("Couldn't insert question_attribute<br />$qainsert<br />".$connect->ErrorMsg());
}
}
}
$importquestion .= "<strong><font class='successtitle'>".$clang->gT("Success")."</font></strong><br /><br />\n"
."<strong><u>".$clang->gT("Question Import Summary")."</u></strong><br />\n"
."\t<li>".$clang->gT("Questions").": ";
if (isset($countquestions)) {$importquestion .= $countquestions;}
$importquestion .= "</li>\n"
."\t<li>".$clang->gT("Answers").": ";
if (isset($countanswers)) {$importquestion .= $countanswers;}
$importquestion .= "</li>\n"
."\t<li>".$clang->gT("Label Sets").": ";
if (isset($countlabelsets)) {$importquestion .= $countlabelsets;}
$importquestion .= " (";
if (isset($countlabels)) {$importquestion .= $countlabels;}
$importquestion .= ")</li>\n";
$importquestion .= "\t<li>".$clang->gT("Question Attributes:");
if (isset($countquestion_attributes)) {$importquestion .= $countquestion_attributes;}
$importquestion .= "</li></ul><br />\n";
$importquestion .= "<strong>".$clang->gT("Question import is complete.")."</strong><br />&nbsp;\n"
."</td></tr></table><br/>\n";
unlink($the_full_file_path);
?>