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New files to handle some aspects of saving/loading unfinished surveys
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git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@1148 b72ed6b6-b9f8-46b5-92b4-906544132732
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@jcleeland
jcleeland committed Sep 1, 2004
1 parent 4e88e33 commit 60e0cf5
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73 changes: 73 additions & 0 deletions load.php
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<?php
/*
#############################################################
# >>> PHP Surveyor #
#############################################################
# > Author: Jason Cleeland #
# > E-mail: jason@cleeland.org #
# > Mail: Box 99, Trades Hall, 54 Victoria St, #
# > CARLTON SOUTH 3053, AUSTRALIA #
# > Date: 20 February 2003 #
# #
# This set of scripts allows you to develop, publish and #
# perform data-entry on surveys. #
#############################################################
# #
# Copyright (C) 2003 Jason Cleeland #
# #
# This program is free software; you can redistribute #
# it and/or modify it under the terms of the GNU General #
# Public License as published by the Free Software #
# Foundation; either version 2 of the License, or (at your #
# option) any later version. #
# #
# This program 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 General Public License #
# for more details. #
# #
# You should have received a copy of the GNU General #
# Public License along with this program; if not, write to #
# the Free Software Foundation, Inc., 59 Temple Place - #
# Suite 330, Boston, MA 02111-1307, USA. #
#############################################################
*/

require_once("./admin/config.php");
if (!isset($sid)) {$sid=returnglobal('sid');}

sendcacheheaders();
echo "<html>\n";
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "\n\n<!-- JAVASCRIPT FOR CONDITIONAL QUESTIONS -->\n"
."\t<script type='text/javascript'>\n"
."\t<!--\n"
."\t\tfunction checkconditions(value, name, type)\n"
."\t\t\t{\n"
."\t\t\t}\n"
."\t//-->\n"
."\t</script>\n\n";

echo "<form method='post' action='index.php'>\n";
foreach(file("$thistpl/load.pstpl") as $op)
{
echo templatereplace($op);
}
//PRESENT OPTIONS SCREEN (Replace with Template Later)
//END
echo "<input type='hidden' name='PHPSESSID' value='".session_id()."'>\n";
echo "<input type='hidden' name='sid' value='$sid'>\n";
echo "<input type='hidden' name='loadall' value='reload'>\n";
echo "</form>";

foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "</html>\n";
exit;
?>
313 changes: 313 additions & 0 deletions save.php
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<?php
/*
#############################################################
# >>> PHP Surveyor #
#############################################################
# > Author: Jason Cleeland #
# > E-mail: jason@cleeland.org #
# > Mail: Box 99, Trades Hall, 54 Victoria St, #
# > CARLTON SOUTH 3053, AUSTRALIA #
# > Date: 20 February 2003 #
# #
# This set of scripts allows you to develop, publish and #
# perform data-entry on surveys. #
#############################################################
# #
# Copyright (C) 2003 Jason Cleeland #
# #
# This program is free software; you can redistribute #
# it and/or modify it under the terms of the GNU General #
# Public License as published by the Free Software #
# Foundation; either version 2 of the License, or (at your #
# option) any later version. #
# #
# This program 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 General Public License #
# for more details. #
# #
# You should have received a copy of the GNU General #
# Public License along with this program; if not, write to #
# the Free Software Foundation, Inc., 59 Temple Place - #
# Suite 330, Boston, MA 02111-1307, USA. #
#############################################################
*/

require_once("./admin/config.php");
if (!isset($sid)) {$sid=returnglobal('sid');}

//DEFAULT SETTINGS FOR TEMPLATES
if (!$publicdir) {$publicdir=".";}
$tpldir="$publicdir/templates";

if (!isset($_SESSION))
{
//There is no session set, so this must have been called directly (from the presentations screen)
//We need to start the session, and load the relevant data that otherwise is loaded in
//index.php
$source="posted";
session_start();
//GET BASIC INFORMATION ABOUT THIS SURVEY
$thissurvey=getSurveyInfo($sid);

//SET THE TEMPLATE DIRECTORY
if (!$thissurvey['templatedir']) {$thistpl=$tpldir."/default";} else {$thistpl=$tpldir."/{$thissurvey['templatedir']}";}
if (!is_dir($thistpl)) {$thistpl=$tpldir."/default";}

//REQUIRE THE LANGUAGE FILE
$langdir="$publicdir/lang";
$langfilename="$langdir/{$thissurvey['language']}.lang.php";
//Use the default language file if the $thissurvey['language'] file doesn't exist
if (!is_file($langfilename)) {$langfilename="$langdir/$defaultlang.lang.php";}
require_once($langfilename);
}

if (isset($source))
{
//Check that the required fields have been completed.
$errormsg="";
if (!isset($_POST['savename']) || !$_POST['savename']) {$errormsg.=_SAVENONAME."<br />\n";}
if (!isset($_POST['savepass']) || !$_POST['savepass']) {$errormsg.=_SAVENOPASS."<br />\n";}
if (!isset($_POST['savepass']) && isset($_POST['savepass2']) && $_POST['savepass'] != $_POST['savepass2'])
{$errormsg.=_SAVENOMATCH."<br />\n";}
if (!$errormsg && !isset($_SESSION['savename']))
{
//All the fields are correct. Now make sure there's not already a matching saved item
$query = "SELECT * FROM {$dbprefix}saved\n"
."WHERE sid=$sid\n"
."AND identifier='".$_POST['savename']."'\n"
."AND access_code='".md5($_POST['savepass'])."'\n";
$result = mysql_query($query) or die("Error checking for duplicates!<br />$query<br />".mysql_error());
if (mysql_num_rows($result) > 0)
{
$errormsg.=_SAVEDUPLICATE."<br />\n";
}
}
if ($errormsg)
{
unset($source);
}
}

if (!isset($source))
{
//Prepare to save

//First, save the posted data to session (as if we were moving from one
//question to another). Doing this ensures that answers on the current
//page are saved as well.
//CONVERT POSTED ANSWERS TO SESSION VARIABLES
if (isset($_SESSION['savename']))
{
$_POST['savename']=$_SESSION['savename'];
}
if (isset($_POST['fieldnames']) && $_POST['fieldnames'])
{
$postedfieldnames=explode("|", $_POST['fieldnames']);
foreach ($postedfieldnames as $pf)
{
if (isset($_POST[$pf])) {$_SESSION[$pf] = $_POST[$pf];}
if (!isset($_POST[$pf])) {$_SESSION[$pf] = "";}
}
}
sendcacheheaders();
echo "<html>\n";
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "\n\n<!-- JAVASCRIPT FOR CONDITIONAL QUESTIONS -->\n"
."\t<script type='text/javascript'>\n"
."\t<!--\n"
."\t\tfunction checkconditions(value, name, type)\n"
."\t\t\t{\n"
."\t\t\t}\n"
."\t//-->\n"
."\t</script>\n\n";

echo "<form method='post' action='save.php'>\n";
//PRESENT OPTIONS SCREEN
if (isset($errormsg) && $errormsg != "")
{
$errormsg .= "<p>"._SAVETRYAGAIN."</p>";
}
foreach(file("$thistpl/save.pstpl") as $op)
{
echo templatereplace($op);
}
//END
echo "<input type='hidden' name='sid' value='$sid'>\n";
echo "<input type='hidden' name='thisstep' value='".$_POST['thisstep']."'>\n";
echo "<input type='hidden' name='token' value='".returnglobal('token')."'>\n";
echo "</form>";

foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "</html>\n";
exit;
}

//Script has been run by itself

//This data will be saved to the "saved" table, which is a normalised
//table with one row per response. Each row also saves:
// - a unique "saved_id" value (autoincremented)
// - the "sid" for this survey
// - "saved_thisstep" which is the step the user is up to in this survey
// - "saved_ip" which is the ip address of the submitter
// - "saved_date" which is the date ofthe saved response
// - an "identifier" which is like a username
// - a "password"
// - "fieldname" which is the fieldname of the saved response
// - "value" which is the value of the response
//We start by generating the first 5 values which are consistent for all rows.

$sdata = array("thisstep"=>$_POST['thisstep'],
"sid"=>$sid,
"ip"=>$_SERVER['REMOTE_ADDR'],
"date"=>date("Y-m-d H:i:s"),
"identifier"=>$_POST['savename'],
"code"=>md5($_POST['savepass']));

if (isset($_SESSION['savename']))
{
//This person has loaded a previously saved session, so before we
//save it again, we should delete the old one.
$query = "DELETE FROM {$dbprefix}saved\n"
."WHERE sid=$sid\n"
."AND identifier='".$_SESSION['savename']."'";
$result=mysql_query($query) or die("Couldn't delete existing saved survey.<br />$query<br />".mysql_error());
}

foreach ($_SESSION['insertarray'] as $sia)
{
if (isset($_SESSION[$sia]) && ($_SESSION[$sia] || $_SESSION[$sia] == "0"))
{
$iquery = "INSERT INTO `{$dbprefix}saved`\n"
. "(`saved_id`, `sid`, `saved_thisstep`, `saved_ip`,\n"
. "`saved_date`, `identifier`, `access_code`, `fieldname`,\n"
. "`value`)\n"
. "VALUES ('',\n"
. "'".$sdata['sid']."',\n"
. "'".$sdata['thisstep']."',\n"
. "'".$sdata['ip']."',\n"
. "'".$sdata['date']."',\n"
. "'".mysql_escape_string($sdata['identifier'])."',\n"
. "'".$sdata['code']."',\n"
. "'".$sia."',\n"
. "'".mysql_escape_string($_SESSION[$sia])."')";
if (!$result=mysql_query($iquery))
{
$failed=1;
}
}
}
if (returnglobal('token'))
{
$iquery = "INSERT INTO `{$dbprefix}saved`\n"
. "(`saved_id`, `sid`, `saved_thisstep`, `saved_ip`,\n"
. "`saved_date`, `identifier`, `access_code`, `fieldname`,\n"
. "`value`)\n"
. "VALUES ('',\n"
. "'".$sdata['sid']."',\n"
. "'".$sdata['thisstep']."',\n"
. "'".$sdata['ip']."',\n"
. "'".$sdata['date']."',\n"
. "'".mysql_escape_string($sdata['identifier'])."',\n"
. "'".$sdata['code']."',\n"
. "'token',\n"
. "'".returnglobal('token')."')";
if (!$result=mysql_query($iquery))
{
$failed=1;
}
}

if (isset($failed))
{
//delete any entries that were saved. It's got to be all or nothing!
$query = "DELETE FROM {$dbprefix}saved\n"
."WHERE sid=$sid\n"
."AND identifier = '".$sdata['identifier']."'";
}
else
{
//Email if needed
if (isset($_POST['saveemail']))
{
if (validate_email($_POST['saveemail']))
{
$subject=_SAVE_EMAILSUBJECT;
$message=_SAVE_EMAILTEXT;
$message.="\n\n".$thissurvey['name']."\n\n";
$message.=_SAVENAME.": ".$_POST['savename']."\n";
$message.=_SAVEPASSWORD.": ".$_POST['savepass']."\n\n";
$message.=_SAVE_EMAILURL.":\n";
$message.=$publicurl."/index.php?sid=$sid&loadall=reload&loadname=".$_POST['savename']."&loadpass=".$_POST['savepass'];
$message=crlf_lineendings($message);
$headers = "From: {$thissurvey['adminemail']}\r\n";
if (mail($_POST['saveemail'], $subject, $message, $headers))
{
$emailsent="Y";
}
}
}
session_unset();
session_destroy();
}

sendcacheheaders();
echo "<html>\n";
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "\n\n<!-- JAVASCRIPT FOR CONDITIONAL QUESTIONS -->\n"
."\t<script type='text/javascript'>\n"
."\t<!--\n"
."\t\tfunction checkconditions(value, name, type)\n"
."\t\t\t{\n"
."\t\t\t}\n"
."\t//-->\n"
."\t</script>\n\n";
echo "<center><p>";
if (isset($failed))
{
echo _SAVE_FAILED;
}
else
{
echo _SAVE_SUCCEEDED;
}
if (isset($emailsent))
{
echo "<p>"._SAVE_EMAILSENT."</p>";
}
else
{
echo "<!-- EMAIL FAILED! -->\n";
}
echo "</p>\n";
echo "<p>";
echo templatereplace("{URL}");
echo "</p>";

echo "<a href='index.php?sid=$sid";
if (returnglobal('token'))
{
echo "&token=".returnglobal('token');
}
echo "'>"._RETURNTOSURVEY."</a>";
echo "</center>\n";
foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "</html>\n";
exit;


?>

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