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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: vvimport.php 6806 2009-05-09 14:54:18Z c_schmitz $
*/
include_once("login_check.php");
if (!isset($noid)) {$noid=returnglobal('noid');}
if (!isset($insertstyle)) {$insertstyle=returnglobal('insert');}
if (!isset($finalized)) {$finalized=returnglobal('finalized');}
$encodingsarray = array("armscii8"=>$clang->gT("ARMSCII-8 Armenian")
,"ascii"=>$clang->gT("US ASCII")
,"auto"=>$clang->gT("Automatic")
,"big5"=>$clang->gT("Big5 Traditional Chinese")
,"binary"=>$clang->gT("Binary pseudo charset")
,"cp1250"=>$clang->gT("Windows Central European")
,"cp1251"=>$clang->gT("Windows Cyrillic")
,"cp1256"=>$clang->gT("Windows Arabic")
,"cp1257"=>$clang->gT("Windows Baltic")
,"cp850"=>$clang->gT("DOS West European")
,"cp852"=>$clang->gT("DOS Central European")
,"cp866"=>$clang->gT("DOS Russian")
,"cp932"=>$clang->gT("SJIS for Windows Japanese")
,"dec8"=>$clang->gT("DEC West European")
,"eucjpms"=>$clang->gT("UJIS for Windows Japanese")
,"euckr"=>$clang->gT("EUC-KR Korean")
,"gb2312"=>$clang->gT("GB2312 Simplified Chinese")
,"gbk"=>$clang->gT("GBK Simplified Chinese")
,"geostd8"=>$clang->gT("GEOSTD8 Georgian")
,"greek"=>$clang->gT("ISO 8859-7 Greek")
,"hebrew"=>$clang->gT("ISO 8859-8 Hebrew")
,"hp8"=>$clang->gT("HP West European")
,"keybcs2"=>$clang->gT("DOS Kamenicky Czech-Slovak")
,"koi8r"=>$clang->gT("KOI8-R Relcom Russian")
,"koi8u"=>$clang->gT("KOI8-U Ukrainian")
,"latin1"=>$clang->gT("cp1252 West European")
,"latin2"=>$clang->gT("ISO 8859-2 Central European")
,"latin5"=>$clang->gT("ISO 8859-9 Turkish")
,"latin7"=>$clang->gT("ISO 8859-13 Baltic")
,"macce"=>$clang->gT("Mac Central European")
,"macroman"=>$clang->gT("Mac West European")
,"sjis"=>$clang->gT("Shift-JIS Japanese")
,"swe7"=>$clang->gT("7bit Swedish")
,"tis620"=>$clang->gT("TIS620 Thai")
,"ucs2"=>$clang->gT("UCS-2 Unicode")
,"ujis"=>$clang->gT("EUC-JP Japanese")
,"utf8"=>$clang->gT("UTF-8 Unicode"));
if (isset($_POST['vvcharset']) && $_POST['vvcharset']) //sanitize charset - if encoding is not found sanitize to 'utf8' which is the default for vvexport
{
$uploadcharset=$_POST['vvcharset'];
if (!array_key_exists($uploadcharset,$encodingsarray)) {$uploadcharset='utf8';}
}
if ($subaction != "upload")
{
asort($encodingsarray);
$charsetsout='';
foreach ($encodingsarray as $charset=>$title)
{
$charsetsout.="<option value='$charset' ";
if ($charset=='utf8') {$charsetsout.=" selected ='selected'";}
$charsetsout.=">$title ($charset)</option>";
}
//Make sure that the survey is active
$tablelist = $connect->MetaTables();
if (in_array("{$dbprefix}survey_$surveyid", $tablelist))
{
$vvoutput= "<br />
<form enctype='multipart/form-data' method='post' action='admin.php?sid=$surveyid'>
<table class='form2columns' style='width:95%;' align='center'>
<tr><th colspan=2>".$clang->gT("Import a VV survey file")."</th></tr>
<tr><td>".$clang->gT("File:")."</td><td><input type='file' size=50 name='the_file'></td></tr>
<tr><td>".$clang->gT("Survey ID:")."</td><td><input type='text' size=10 name='sid' value='$surveyid' readonly></td></tr>
<tr><td>".$clang->gT("Exclude record IDs?")."</td><td><input type='checkbox' name='noid' value='noid' checked=checked onchange='form.insertmethod.disabled=this.checked;' ></td></tr>
<!-- this next item should only appear if noid is not checked -->
<tr><td>".$clang->gT("When an imported record matches an existing record ID:")."</td><td><select id='insertmethod' name='insert' disabled='disabled'>
<option value='ignore' selected='selected'>".$clang->gT("Report and skip the new record.")."</option>
<option value='renumber'>".$clang->gT("Renumber the new record.")."</option>
<option value='replace'>".$clang->gT("Replace the existing record.")."</option>
</select></td></tr>
<tr><td>".$clang->gT("Import as not finalized answers?")."</td><td><input type='checkbox' name='finalized' value='notfinalized' ></td></tr>
<tr><td>".$clang->gT("Character set of the file:")."</td><td><select id='vvcharset' name='vvcharset'>
$charsetsout
</select></td></tr>
<tr</td><td><td><input type='submit' value='".$clang->gT("Import")."'>
<input type='hidden' name='action' value='vvimport' />
<input type='hidden' name='subaction' value='upload' />
</td></tr>
<tr></td><td><td>[<a href='$scriptname?action=browse&sid=$surveyid'>".$clang->gT("Return to Survey Administration")."</a>]</td></tr>
</table>
</form><br />";
}
else
{
$vvoutput .= "<br /><table class='outlinetable' align='center'>
<tr><th colspan=2>Import a VV survey file</th></tr>
<tr><td colspan='2' align='center'>
<strong>".$clang->gT("Cannot import the VVExport file.")."</strong><br /><br />
".("This survey is not active. You must activate the survey before attempting to import a VVexport file.")."<br /><br />
[<a href='$scriptname?sid=4'>".$clang->gT("Return to Survey Administration")."</a>]
</td></tr>
</table>";
}
}
else
{
$vvoutput = "<br /><table class='outlinetable' align='center'>
<tr><th>Upload</th></tr>
<tr><td align='center'>";
$the_full_file_path = $tempdir . "/" . $_FILES['the_file']['name'];
if (!@move_uploaded_file($_FILES['the_file']['tmp_name'], $the_full_file_path))
{
$vvoutput .= "<strong><font color='red'>".$clang->gT("Error")."</font></strong><br />\n";
$vvoutput .= sprintf ($clang->gT("An error occurred uploading your file. This may be caused by incorrect permissions in your %s folder."),$tempdir)."<br /><br />\n";
$vvoutput .= "<input type='submit' value='".$clang->gT("Back to Response Import")."' onclick=\"window.open('$scriptname?action=vvimport&sid=$surveyid', '_top')\">\n";
$vvoutput .= "</font></td></tr></table><br /> \n";
return;
}
// IF WE GOT THIS FAR, THEN THE FILE HAS BEEN UPLOADED SUCCESFULLY
$vvoutput .= "<strong><font class='successtitle'>".$clang->gT("Success")."</font></strong><br />\n";
$vvoutput .= $clang->gT("File upload succeeded.")."<br /><br />\n";
$vvoutput .= $clang->gT("Reading file..")."<br />\n";
$handle = fopen($the_full_file_path, "r");
while (!feof($handle))
{
$buffer = fgets($handle); //To allow for very long lines
$bigarray[] = @mb_convert_encoding($buffer,"UTF-8",$uploadcharset);
}
fclose($handle);
$surveytable = "{$dbprefix}survey_$surveyid";
unlink($the_full_file_path); //delete the uploaded file
unset($bigarray[0]); //delete the first line
$fieldnames=explode("\t", trim($bigarray[1]));
$fieldcount=count($fieldnames)-1;
while (trim($fieldnames[$fieldcount]) == "") // get rid of blank entries
{
unset($fieldnames[$fieldcount]);
$fieldcount--;
}
$realfieldnames = array_values($connect->MetaColumnNames($surveytable, true));
if ($noid == "noid") {unset($realfieldnames[0]);}
if ($finalized == "notfinalized") {unset($realfieldnames[1]);}
unset($bigarray[1]); //delete the second line
// $vvoutput .= "<tr><td valign='top'><strong>Import Fields:<pre>"; print_r($fieldnames); $vvoutput .= "</pre></td>";
// $vvoutput .= "<td valign='top'><strong>Actual Fields:<pre>"; print_r($realfieldnames); $vvoutput .= '</pre></td></tr>';
//See if any fields in the import file don't exist in the active survey
$missing = array_diff($fieldnames, $realfieldnames);
if (is_array($missing) && count($missing) > 0)
{
foreach ($missing as $key=>$val)
{
$donotimport[]=$key;
unset($fieldnames[$key]);
}
}
if ($finalized == "notfinalized")
{
$donotimport[]=1;
unset($fieldnames[1]);
}
$importcount=0;
$recordcount=0;
foreach($bigarray as $row)
{
if (trim($row) != "")
{
$recordcount++;
$fieldvalues=explode("\t", str_replace("\n", "", $row), $fieldcount+1);
// Excel likes to quote fields sometimes. =(
$fieldvalues=preg_replace('/^"(.*)"$/s','\1',$fieldvalues);
// careful about the order of these arrays:
// lbrace has to be substituted *last*
$fieldvalues=str_replace(array("{newline}",
"{cr}",
"{tab}",
"{quote}",
"{lbrace}"),
array("\n",
"\r",
"\t",
"\"",
"{"),
$fieldvalues);
if (isset($donotimport)) //remove any fields which no longer exist
{
foreach ($donotimport as $not)
{
unset($fieldvalues[$not]);
}
}
// sometimes columns with nothing in them get omitted by excel
while (count($fieldnames) > count($fieldvalues))
{
$fieldvalues[]="";
}
// sometimes columns with nothing in them get added by excel
while (count($fieldnames) < count($fieldvalues) &&
trim($fieldvalues[count($fieldvalues)-1])=="")
{
unset($fieldvalues[count($fieldvalues)-1]);
}
// make this safe for DB (*after* we undo first excel's
// and then our escaping).
$fieldvalues=array_map('db_quote',$fieldvalues);
$fieldnames=array_map('db_quote_id',$fieldnames);
$fielddata=array_combine($fieldnames,$fieldvalues);
if ($fielddata['[submitdate]']=='NULL') unset ($fielddata['[submitdate]']);
$recordexists=false;
if (isset($fielddata['[id]']))
{
$result = $connect->Execute("select id from $surveytable where id=".$fielddata['[id]']);
$recordexists=$result->RecordCount()>0;
if ($recordexists) // record with same id exists
{
if ($insertstyle=="ignore")
{
$vvoutput .=sprintf($clang->gT("Record ID %d was skipped because of duplicate ID."), $fielddata['[id]']).'<br/>';
continue;
}
if ($insertstyle=="replace")
{
$result = $connect->Execute("delete from $surveytable where id=".$fielddata['[id]']);
$recordexists=false;
}
}
}
if ($insertstyle=="renumber")
{
unset($fielddata['[id]']);
}
if (isset($fielddata['[id]']))
{
if ($databasetype=='odbc_mssql' || $databasetype=='odbtp' || $databasetype=='mssql_n') {$connect->Execute('SET IDENTITY_INSERT '.$surveytable." ON");} //Checked
}
// try again, without the 'id' field.
$insert = "INSERT INTO $surveytable\n";
$insert .= "(".implode(", ", array_keys($fielddata)).")\n";
$insert .= "VALUES\n";
$insert .= "('".implode("', '", array_values($fielddata))."')\n";
$result = $connect->Execute($insert);
if (isset($fielddata['[id]']))
{
if ($databasetype=='odbc_mssql' || $databasetype=='odbtp' || $databasetype=='mssql_n') {$connect->Execute('SET IDENTITY_INSERT '.$surveytable." OFF");} //Checked
}
if (!$result)
{
$vvoutput .= "<table align='center' class='outlintable'>\n$insert"
."<tr><td>".sprintf($clang->gT("Import Failed on Record %d because [%s]"), $recordcount, htmlspecialchars(utf8_encode($connect->ErrorMsg())))
."</td>\n</tr></table>\n";
}
else
{
$importcount++;
}
}
}
if ($noid == "noid" || $insertstyle == "renumber")
{
$vvoutput .= "<br /><i><strong><font color='red'>".$clang->gT("Important Note:")."<br />".$clang->gT("Do NOT refresh this page, as this will import the file again and produce duplicates")."</font></strong></i><br /><br />";
}
$vvoutput .= $clang->gT("Total records imported:")." ".$importcount."<br /><br />";
$vvoutput .= "[<a href='admin.php?action=browse&sid=$surveyid'>".$clang->gT("Browse Responses")."</a>]";
$vvoutput .= "</td></tr></table><br /> ";
}
?>
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