# The LearningOnline Network with CAPA
# The LON-CAPA Grading handler
#
# $Id: grades.pm,v 1.33 2002/06/27 21:34:18 ng Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA 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.
#
# LON-CAPA 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 LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# 2/9,2/13 Guy Albertelli
# 6/8 Gerd Kortemeyer
# 7/26 H.K. Ng
# 8/20 Gerd Kortemeyer
# Year 2002
# June 2002 H.K. Ng
#
package Apache::grades;
use strict;
use Apache::style;
use Apache::lonxml;
use Apache::lonnet;
use Apache::loncommon;
use Apache::lonhomework;
use Apache::Constants qw(:common);
sub moreinfo {
my ($request,$reason) = @_;
$request->print("Unable to process request: $reason");
if ( $Apache::grades::viewgrades eq 'F' ) {
$request->print('<form action="/adm/grades" method="post">'."\n");
if ($ENV{'form.url'}) {
$request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
}
if ($ENV{'form.symb'}) {
$request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
}
$request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
$request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
$request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
$request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");
$request->print('</form>');
}
return '';
}
sub verifyreceipt {
my $request=shift;
my $courseid=$ENV{'request.course.id'};
my $cdom=$ENV{"course.$courseid.domain"};
my $cnum=$ENV{"course.$courseid.num"};
my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
$ENV{'form.receipt'};
$receipt=~s/[^\-\d]//g;
my $symb=$ENV{'form.symb'};
unless ($symb) {
$symb=&Apache::lonnet::symbread($ENV{'form.url'});
}
if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) {
$request->print('<h1>Verifying Submission Receipt '.$receipt.'</h1>');
my $matches=0;
my (%classlist) = &getclasslist($cdom,$cnum,'0');
foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
my ($uname,$udom)=split(/\:/,$student);
if ($receipt eq
&Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
$request->print('Matching '.$student.'<br>');
$matches++;
}
}
$request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');
# needs to print who is matched
}
return '';
}
sub receiptInput {
my ($request) = shift;
my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};
my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};
my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});
$request->print(<<ENDHEADER);
<h2><font color="#339933">Verify a Submission Receipt Issued by this Server</font></h2>
<form action="/adm/grades" method="post">
<tt>$hostver-<input type="text" name="receipt" size="4"></tt>
<input type="submit" name="submit" value="Verify">
<input type="hidden" name="command" value="verify">
ENDHEADER
if ($ENV{'form.url'}) {
$request->print(
'<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');
}
if ($ENV{'form.symb'}) {
$request->print(
'<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');
}
# $request->print(<<ENDTABLEST);
$request->print('</form>');
return '';
}
sub student_gradeStatus {
my ($url,$udom,$uname) = @_;
my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
foreach my $part (&getpartlist($url)) {
my ($temp,$part,$type)=split(/_/,$part);
if ($type eq 'solved') {
my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);
$status = 'nothing' if ($status eq '');
return $type,$status;
}
}
return '';
}
sub listStudents {
my ($request) = shift;
my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};
my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};
$request->print(<<ENDTABLEST);
<h2><font color="#339933">Show Student Submissions on Assessment</font></h2>
<table border="0"><tr><td bgcolor="#777777">
<table border="0">
<tr bgcolor="#e6ffff"><td colspan="7"><b>Resource: </b> $ENV{'form.url'}</td></tr>
<tr bgcolor="#e6ffff"><td><b>Username</b></td><td><b>Name</b></td><td><b>Domain</b></td>
<td><b>View Problem</b></td><td><b>Submissions</b></td>
<td><b>Grade Status</b></td><td><b>Action</b></td></tr>
ENDTABLEST
my (%classlist) = &getclasslist($cdom,$cnum,'0');
foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
my ($sname,$sdom) = split(/:/,$student);
my %name=&Apache::lonnet::get('environment', ['lastname','generation',
'firstname','middlename'],
$sdom,$sname);
my $fullname;
my ($tmp) = keys(%name);
if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
$fullname=$name{'lastname'}.$name{'generation'};
if ($fullname =~ /[^\s]+/) { $fullname.=', '; }
$fullname.=$name{'firstname'}.' '.$name{'middlename'};
}
if ( $Apache::grades::viewgrades eq 'F' ) {
$request->print("\n".'<tr bgcolor=#ffffe6>'."<td>$sname</td><td>$fullname</td><td align=\"middle\">$sdom</td>".
'<form action="/adm/grades" method="post">');
if ($ENV{'form.url'}) {
$request->print(
'<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');
}
if ($ENV{'form.symb'}) {
$request->print(
'<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');
}
$request->print(
'<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />');
$request->print(
'<input type="hidden" name="student" value="'.$sname.'" />');
$request->print(
'<input type="hidden" name="fullname" value="'.$fullname.'" />');
$request->print(
'<input type="hidden" name="domain" value="'.$sdom.'" />');
$request->print('<td>'.
'<input type="radio" name="vProb" value="no" checked> no '.
'<input type="radio" name="vProb" value="yes"> yes </td>');
$request->print('<td>'.
'<input type="radio" name="lastSub" value="last" checked> last '.
'<input type="radio" name="lastSub" value="all"> all </td>');
my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$cdom,$sname);
$request->print(
'<td align="middle">'.$status.' </td>');
$request->print(
'<td><input type="submit" name="submit" value="View/Grade" />');
$request->print('</td></tr></form>');
# $request->print('</form></td></tr>');
}
}
$request->print('</table></td></tr></table>');
}
#FIXME - needs to handle multiple matches
sub finduser {
my ($name) = @_;
my $domain = '';
if ( $Apache::grades::viewgrades eq 'F' ) {
#get classlist
my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
#print "Found $cdom:$cnum<br />";
my (%classlist) = &getclasslist($cdom,$cnum,'0');
foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
my ($posname,$posdomain) = split(/:/,$student);
if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
}
return ($name,$domain);
} else {
return ($ENV{'user.name'},$ENV{'user.domain'});
}
}
sub getclasslist {
my ($coursedomain,$coursenum,$hideexpired) = @_;
my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
my $now = time;
foreach my $student (keys(%classlist)) {
my ($end,$start)=split(/:/,$classlist{$student});
# still a student?
if (($hideexpired) && ($end) && ($end < $now)) {
#print "Skipping:$name:$end:$now<br />\n";
next;
}
#print "record=$record<br>";
push( @{ $classlist{'allids'} }, $student);
}
return (%classlist);
}
sub getpartlist {
my ($url) = @_;
my @parts =();
my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
foreach my $key (@metakeys) {
if ( $key =~ m/stores_([0-9]+)_.*/) {
push(@parts,$key);
}
}
return @parts;
}
sub viewstudentgrade {
my ($url,$symb,$courseid,$student,@parts) = @_;
my $result ='';
my $cellclr = '"#ffffdd"';
my ($username,$domain) = split(/:/,$student);
my (@requests) = ('lastname','firstname','middlename','generation');
my (%name) = &Apache::lonnet::get('environment',\@requests,$domain,$username);
my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);
my $fullname=$name{'lastname'}.$name{'generation'};
if ($fullname =~ /[^\s]+/) { $fullname.=', '; }
$fullname.=$name{'firstname'}.' '.$name{'middlename'};
$result.="<tr bgcolor=$cellclr><td>$username</td><td>$fullname</td><td align=\"middle\">$domain</td>\n";
foreach my $part (@parts) {
my ($temp,$part,$type)=split(/_/,$part);
my $score=$record{"resource.$part.$type"};
if ($type eq 'awarded' || $type eq 'tries') {
$result.='<td align="middle"><input type="text" name="GRADE.'.$student.'.'.$part.'.'.$type.
'" value="'.$score.'" size="4" /></td>'."\n";
} elsif ($type eq 'solved') {
my ($status,$foo)=split(/_/,$score,2);
$result.="<td align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
my $optsel = '<option>correct</option><option>incorrect</option><option>excused</option>'.
'<option>ungraded</option><option>partial</option><option>nothing</option>'."\n";
$status = 'nothing' if ($status eq '');
$optsel =~ s/<option>$status/<option selected="on">$status/;
$result.=$optsel;
$result.="</select></td>\n";
}
}
$result.='<td></td></tr>';
return $result;
}
#FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an
#interface based on that, also do that to above function.
sub setstudentgrade {
my ($url,$symb,$courseid,$student,@parts) = @_;
my $result ='';
my ($stuname,$domain) = split(/:/,$student);
my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
my %newrecord;
foreach my $part (@parts) {
my ($temp,$part,$type)=split(/_/,$part);
my $oldscore=$record{"resource.$part.$type"};
my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
print "old=$oldscore:new=$newscore:<br>";
if ($type eq 'solved') {
my $update=0;
if ($newscore eq 'nothing' ) {
if ($oldscore ne '') {
$update=1;
$newscore = '';
}
} elsif ($oldscore !~ m/^$newscore/) {
$update=1;
$result.="Updating $stuname to $newscore<br />\n";
if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }
if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
if ($newscore eq 'excused') { $newscore = 'excused'; }
if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }
} else {
#$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:<br />\n";
}
if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
} else {
if ($oldscore ne $newscore) {
$newrecord{"resource.$part.$type"}=$newscore;
$result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";
} else {
#$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:<br />\n";
}
}
}
if ( scalar(keys(%newrecord)) > 0 ) {
$newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
print "grader=$newrecord{'resource.regrader'}:<br>records<br>";
while (my ($k,$v) = each %newrecord) {
print "k=$k:v=$v:<br>\n";
}
&Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
$result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
}
return $result;
}
#
# --------------------------- show submissions of a student, option to grade --------
sub submission {
my ($request) = @_;
$request->print(<<JAVASCRIPT);
<script type="text/javascript" language="javascript">
function updateRadio(radioButton,formtextbox,formsel,wgt) {
var pts = formtextbox.value;
var resetbox =false;
if (isNaN(pts) || pts < 0) {
alert("A number equal or greater than 0 is expected. Entered value = "+pts);
for (var i=0; i<radioButton.length; i++) {
if (radioButton[i].checked) {
formtextbox.value = i;
resetbox = true;
}
}
if (!resetbox) {
formtextbox.value = "";
}
return;
}
for (var i=0; i<radioButton.length; i++) {
radioButton[i].checked=false;
if (pts == i) {
radioButton[i].checked=true;
}
}
updateSelect(formsel,pts,wgt);
}
function writeBox(formrad,formsel,pts,wgt) {
formrad.value = pts;
updateSelect(formsel,pts,wgt);
return;
}
function updateSelect(formsel,pts,wgt) {
if (pts == 0) {
formsel[1].selected = true;
}
if (pts > 0 && pts < wgt) {
formsel[4].selected = true;
}
if (pts == wgt) {
formsel[0].selected = true;
}
return;
}
</script>
JAVASCRIPT
(my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }
print "formstu=$ENV{'form.student'}:<br>";
my ($uname,$udom) = &finduser($ENV{'form.student'});
if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }
my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
#
# header info
my $result='<h2><font color="#339933">Submission Record</font></h2>';
$result.='<table border="0"><tr><td><b>Username: </b>'.$uname.
'</td><td><b>Fullname: </b>'.$ENV{'form.fullname'}.'</td><td><b>Domain: </b>'.$udom.'</td></tr>';
$result.='<tr><td colspan=3><b>Resource: </b>'.$url.'</td></tr></table>';
#
# option to display problem
if ($ENV{'form.vProb'} eq 'yes') {
my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
$ENV{'request.course.id'});
my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
$ENV{'request.course.id'});
$result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
$result.='<table border="0" width="100%"><tr><td bgcolor="#e6ffff">';
$result.='<b>Student\'s view of the problem</b></td></tr><tr><td bgcolor="#ffffff">'.$rendered.'<br />';
$result.='<b>Correct answer:</b><br />'.$companswer;
$result.='</td></tr></table>';
$result.='</td></tr></table><br />';
}
my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
$ENV{'request.course.id'},$last);
$result.=$answer;
my $wgt = &Apache::lonnet::EXT('resource.partid.weight',$symb,$udom,$uname);
my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
my $score = $record{'resource.0.awarded'}*$wgt;
$result.= '<form action="/adm/grades" method="post" name="SCORE">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="vProb" value="'.$ENV{'form.vProb'}.'" />'."\n".
'<input type="hidden" name="lastSub" value="'.$last.'" />'."\n".
'<input type="hidden" name="command" value="handgrade" />'."\n".
'<input type="hidden" name="NCT"'.
' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1').'" />'."\n";
my $counter = 0;
$result.='<input type="hidden" name="WGT'.$counter.'" value="'.$wgt.'" />'.
'<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";
$result.='<table border="0"><tr><td><b>Points</b></td><td>';
my $ctr = 0;
while ($ctr<=$wgt) {
$result.= '<input type="radio" name="RADVAL'.$counter.'" '.
'onclick="javascript:writeBox(this.form.GRADE_BOX'.$counter.
',this.form.GRADE_SEL'.$counter.',\''.$ctr.'\',\''.$wgt.'\')" '.
($score == $ctr? 'checked':'').' /> '.$ctr."\n";
$ctr++;
}
$result.='</td><td> <b>or</b> </td>';
$result.='<td><input type="text" name="GRADE_BOX'.$counter.'"'.
($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.
',this.form.GRADE_BOX'.$counter.
',this.form.GRADE_SEL'.$counter.',\''.$wgt.'\')" /></td>'."\n";
$result.='<td>/'.($wgt > 0 ? $wgt.' (problem weight)' : '<font color="red">invalid problem weight</font>' ).
' </td><td>';
foreach my $part (&getpartlist($url)) {
my ($temp,$part,$type)=split(/_/,$part);
if ($type eq 'solved') {
my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);
$result.='<select name="GRADE_SEL'.$counter.'">'."\n";
my $optsel = '<option>correct</option><option>incorrect</option>'.
'<option>excused</option><option>ungraded</option>'.
'<option>partial</option><option>nothing</option>'."\n";
$status = 'nothing' if ($status eq '');
$optsel =~ s/<option>$status/<option selected="on">$status/;
$result.=$optsel;
$result.="</select></td></tr>\n";
}
}
$result.='<tr><td colspan="6"><input type="submit" name="gradeOpt" value="Save & Next" />';
my $ntstu ='<select name="NTSTU">'.
'<option>1</option><option>2</option>'.
'<option>3</option><option>5</option>'.
'<option>7</option><option>10</option></select>'."\n";
my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
$ntstu =~ s/<option>$nsel/<option selected="on">$nsel/;
$result.=$ntstu.'student(s) '."\n <br />";
$result.='<input type="submit" name="gradeOpt" value="Next" /> ';
$result.='<input type="submit" name="gradeOpt" value="Previous" /> ';
$result.='(Next and Previous do not save the scores.)';
$result.='</td><tr></table></form>';
return $result;
}
sub processHandGrade {
my ($request) = @_;
my $result='';
my $url = $ENV{'form.url'};
my $symb = $ENV{'form.symb'};
my $button = $ENV{'form.gradeOpt'};
my $ngrade = $ENV{'form.NCT'};
my $ntstu = $ENV{'form.NTSTU'};
my $vProb = $ENV{'form.vProb'};
my $lastSub= $ENV{'form.lastSub'};
my (@parts) = sort(&getpartlist($url));
if ($button eq 'Save & Next') {
my $ctr = 0;
while ($ctr < $ENV{'form.NCT'}) {
my $pts = ($ENV{'form.GRADE_BOX'.$ctr} ne '' ? $ENV{'form.GRADE_BOX'.$ctr} : $ENV{'form.RADVAL'.$ctr});
my $wgt = $ENV{'form.WGT'.$ctr};
my $sel = $ENV{'form.GRADE_SEL'.$ctr};
my $score = $pts/$wgt if ($wgt != 0);
my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
&saveHandGrade($url,$symb,$uname,$udom,$score,@parts);
$ctr++;
}
}
my $firststu = $ENV{'form.unamedom0'};
my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
#get classlist
my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
my (%classlist) = &getclasslist($cdom,$cnum,'0');
my (@nextlist,@prevlist);
my ($nextflg,$prevflg,$ctr) = (0,0,0);
foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
my ($uname,$udom) = split(/:/,$student);
if ($nextflg == 1 && $button =~ /Next$/) {
push @nextlist,$uname if ($ctr < $ENV{'form.NTSTU'});
$ctr++;
}
$nextflg = 1 if ($student eq $laststu);
$prevflg = 1 if ($student eq $firststu);
}
foreach my $student (@nextlist) {
$ENV{'form.student'} = $student;
$request->print(&submission($request));
}
$request->print ("<h2><font color=\"#339933\">Grading</font></h2>");
#get info for each student
foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
my $display=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
print "ID=$ENV{'request.course.id'}:STU=$student:DIS=$display:<br>\n";
# $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
}
return 'The End';
# return $result;
}
sub saveHandGrade {
my ($url,$symb,$stuname,$domain,$newscore,@parts) = @_;
# my ($stuname,$domain) = split(/:/,$student);
my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
my %newrecord;
foreach my $part (@parts) {
my ($temp,$part,$type)=split(/_/,$part);
my $oldscore=$record{"resource.$part.$type"};
if ($type eq 'solved') {
my $update=0;
if ($newscore eq 'nothing' ) {
if ($oldscore ne '') {
$update=1;
$newscore = '';
}
} elsif ($oldscore !~ m/^$newscore/) {
$update=1;
if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }
if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
if ($newscore eq 'excused') { $newscore = 'excused'; }
if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }
if ($newscore eq 'partial') { $newscore = 'partial_correct'; }
}
if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
} else {
if ($oldscore ne $newscore) {
$newrecord{"resource.$part.$type"}=$newscore;
}
}
if ( scalar(keys(%newrecord)) > 0 ) {
$newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
# print "grader=$newrecord{'resource.regrader'}:<br>records<br>";
# while (my ($k,$v) = each %newrecord) {
# print "k=$k:v=$v:<br>\n";
# }
# &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
}
return '';
}
}
sub get_symb_and_url {
my ($request) = @_;
my $url=$ENV{'form.url'};
$url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
# my $symb=$ENV{'form.symb'};
# if (!$symb) { $symb=&Apache::lonnet::symbread($url); }
my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
return ($symb,$url);
}
sub view_edit_entire_class_form {
my ($symb,$url)=@_;
my $result.='<form action="/adm/grades" method="post">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="command" value="viewgrades" />'."\n".
'<input type="submit" name="submit" value="View/Grade Entire Class" />'."\n".
'</form>'."\n";
return $result;
}
sub show_grading_menu_form {
my ($symb,$url)=@_;
my $result.='<form action="/adm/grades" method="post">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="command" value="gradingmenu" />'."\n".
'<input type="submit" name="submit" value="Grading Menu" />'."\n".
'</form>'."\n";
return $result;
}
sub gradingmenu {
my ($request) = @_;
my ($symb,$url)=&get_symb_and_url($request);
if (!$symb) {return '';}
my $result='<h2> <font color="#339933">Select a Grading Method</font></h2><br />';
$result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
$result.='<table width=100% border=0><tr><td bgcolor=#e6ffff>'."\n";
$result.=' <b>Resource :</b> '.$url.'</td></tr>'."\n";
$result.='<tr bgcolor=#ffffe6><td>'."\n";
$result.=&view_edit_entire_class_form($symb,$url);
$result.='<form action="/adm/grades" method="post">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="command" value="csvupload" />'."\n".
'<input type="submit" name="submit" value="Upload Scores" />'."\n".
'</form>'."\n";
$result.='<form action="/adm/grades" method="post">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="command" value="submission" />'."\n".
'<input type="submit" name="submit" value="View/Grade A Student" />'."\n".
'</form>'."\n";
$result.='<form action="/adm/grades" method="post">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="command" value="receiptInput" />'."\n".
'<input type="submit" name="submit" value="Verify Receipt" />'."\n".
'</form>'."\n";
$result.='</td></tr></table>'."\n";
$result.='</td></tr></table>'."\n";
return $result;
}
sub viewgrades {
my ($request) = @_;
my $result='';
#get resource reference
my ($symb,$url)=&get_symb_and_url($request);
if (!$symb) {return '';}
#get classlist
my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
#print "Found $cdom:$cnum<br />";
my (%classlist) = &getclasslist($cdom,$cnum,'0');
my $headerclr = '"#ccffff"';
my $cellclr = '"#ffffcc"';
#get list of parts for this problem
my (@parts) = sort(&getpartlist($url));
$request->print ("<h2><font color=\"#339933\">Manual Grading</font></h2>");
#start the form
$result = '<form action="/adm/grades" method="post">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="command" value="editgrades" />'."\n".
'<input type="submit" name="submit" value="Submit Changes" />'."\n".
'<table border=0><tr><td bgcolor="#777777">'."\n".
'<table border=0>'."\n".
'<tr bgcolor='.$headerclr.'><td><b>Username</b></td><td><b>Name</b></td><td><b>Domain</b></td>'."\n";
foreach my $part (@parts) {
my $display=&Apache::lonnet::metadata($url,$part.'.display');
if (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
print "Manual grading:$url:$part:$display:<br>";
$result.='<td><b>'.$display.'</b></td>'."\n";
}
$result.='</tr>';
#get info for each student
foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
my $display=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
# print "ID=$ENV{'request.course.id'}:STU=$student:DIS=$display:<br>\n";
$result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
}
$result.='</table></td></tr></table>';
$result.='<input type="submit" name="submit" value="Submit Changes" /></form>';
$result.=&show_grading_menu_form($symb,$url);
return $result;
}
sub editgrades {
my ($request) = @_;
my $result='';
my $symb=$ENV{'form.symb'};
if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
my $url=$ENV{'form.url'};
#get classlist
my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
#print "Found $cdom:$cnum<br />";
my (%classlist) = &getclasslist($cdom,$cnum,'0');
#get list of parts for this problem
my (@parts) = &getpartlist($url);
$result.='<form action="/adm/grades" method="post">'."\n".
'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
'<input type="hidden" name="url" value="'.$url.'" />'."\n".
'<input type="hidden" name="command" value="viewgrades" />'."\n".
'<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
$result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
}
$result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
return $result;
}
sub csvupload {
my ($request)= @_;
my $result;
my ($symb,$url)=&get_symb_and_url($request);
if (!$symb) {return '';}
my $upfile_select=&Apache::loncommon::upfile_select_html();
$result.=<<ENDUPFORM;
<form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
<input type="hidden" name="symb" value="$symb" />
<input type="hidden" name="url" value="$url" />
<input type="hidden" name="command" value="csvuploadmap" />
<hr />
<h3>Specify a file containing the class grades for resource $url</h3>
$upfile_select
<p><input type="submit" name="submit" value="Upload Grades" />
ENDUPFORM
return $result;
}
sub csvupload_javascript_reverse_associate {
return(<<ENDPICK);
function verify(vf) {
var foundsomething=0;
var founduname=0;
var founddomain=0;
for (i=0;i<=vf.nfields.value;i++) {
tw=eval('vf.f'+i+'.selectedIndex');
if (i==0 && tw!=0) { founduname=1; }
if (i==1 && tw!=0) { founddomain=1; }
if (i!=0 && i!=1 && tw!=0) { foundsomething=1; }
}
if (founduname==0 || founddomain==0) {
alert('You need to specify at both the username and domain');
return;
}
if (foundsomething==0) {
alert('You need to specify at least one grading field');
return;
}
vf.submit();
}
function flip(vf,tf) {
var nw=eval('vf.f'+tf+'.selectedIndex');
var i;
for (i=0;i<=vf.nfields.value;i++) {
//can not pick the same destination field for both name and domain
if (((i ==0)||(i ==1)) &&
((tf==0)||(tf==1)) &&
(i!=tf) &&
(eval('vf.f'+i+'.selectedIndex')==nw)) {
eval('vf.f'+i+'.selectedIndex=0;')
}
}
}
ENDPICK
}
sub csvupload_javascript_forward_associate {
return(<<ENDPICK);
function verify(vf) {
var foundsomething=0;
var founduname=0;
var founddomain=0;
for (i=0;i<=vf.nfields.value;i++) {
tw=eval('vf.f'+i+'.selectedIndex');
if (tw==1) { founduname=1; }
if (tw==2) { founddomain=1; }
if (tw>2) { foundsomething=1; }
}
if (founduname==0 || founddomain==0) {
alert('You need to specify at both the username and domain');
return;
}
if (foundsomething==0) {
alert('You need to specify at least one grading field');
return;
}
vf.submit();
}
function flip(vf,tf) {
var nw=eval('vf.f'+tf+'.selectedIndex');
var i;
//can not pick the same destination field twice
for (i=0;i<=vf.nfields.value;i++) {
if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
eval('vf.f'+i+'.selectedIndex=0;')
}
}
}
ENDPICK
}
sub csvuploadmap_header {
my ($request,$symb,$url,$datatoken,$distotal)= @_;
my $result;
my $javascript;
if ($ENV{'form.upfile_associate'} eq 'reverse') {
$javascript=&csvupload_javascript_reverse_associate();
} else {
$javascript=&csvupload_javascript_forward_associate();
}
$request->print(<<ENDPICK);
<form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
<h3>Uploading Class Grades for resource $url</h3>
<hr>
<h3>Identify fields</h3>
Total number of records found in file: $distotal <hr />
Enter as many fields as you can. The system will inform you and bring you back
to this page if the data selected is insufficient to run your class.<hr />
<input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
<input type="hidden" name="associate" value="" />
<input type="hidden" name="phase" value="three" />
<input type="hidden" name="datatoken" value="$datatoken" />
<input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
<input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
<input type="hidden" name="upfile_associate"
value="$ENV{'form.upfile_associate'}" />
<input type="hidden" name="symb" value="$symb" />
<input type="hidden" name="url" value="$url" />
<input type="hidden" name="command" value="csvuploadassign" />
<hr />
<script type="text/javascript" language="Javascript">
$javascript
</script>
ENDPICK
return '';
}
sub csvupload_fields {
my ($url) = @_;
my (@parts) = &getpartlist($url);
my @fields=(['username','Student Username'],['domain','Student Domain']);
foreach my $part (sort(@parts)) {
my @datum;
my $display=&Apache::lonnet::metadata($url,$part.'.display');
my $name=$part;
if (!$display) { $display = $name; }
@datum=($name,$display);
push(@fields,\@datum);
}
return (@fields);
}
sub csvuploadmap_footer {
my ($request,$i,$keyfields) =@_;
$request->print(<<ENDPICK);
</table>
<input type="hidden" name="nfields" value="$i" />
<input type="hidden" name="keyfields" value="$keyfields" />
<input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
</form>
ENDPICK
}
sub csvuploadmap {
my ($request)= @_;
my ($symb,$url)=&get_symb_and_url($request);
if (!$symb) {return '';}
my $datatoken;
if (!$ENV{'form.datatoken'}) {
$datatoken=&Apache::loncommon::upfile_store($request);
} else {
$datatoken=$ENV{'form.datatoken'};
&Apache::loncommon::load_tmp_file($request);
}
my @records=&Apache::loncommon::upfile_record_sep();
&csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
my $i;
my $keyfields;
if (@records) {
my @fields=&csvupload_fields($url);
if ($ENV{'form.upfile_associate'} eq 'reverse') {
&Apache::loncommon::csv_print_samples($request,\@records);
$i=&Apache::loncommon::csv_print_select_table($request,\@records,
\@fields);
foreach (@fields) { $keyfields.=$_->[0].','; }
chop($keyfields);
} else {
unshift(@fields,['none','']);
$i=&Apache::loncommon::csv_samples_select_table($request,\@records,
\@fields);
my %sone=&Apache::loncommon::record_sep($records[0]);
$keyfields=join(',',sort(keys(%sone)));
}
}
&csvuploadmap_footer($request,$i,$keyfields);
return '';
}
sub csvuploadassign {
my ($request)= @_;
my ($symb,$url)=&get_symb_and_url($request);
if (!$symb) {return '';}
&Apache::loncommon::load_tmp_file($request);
my @gradedata=&Apache::loncommon::upfile_record_sep();
my @keyfields = split(/\,/,$ENV{'form.keyfields'});
my %fields=();
for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
if ($ENV{'form.upfile_associate'} eq 'reverse') {
if ($ENV{'form.f'.$i} ne 'none') {
$fields{$keyfields[$i]}=$ENV{'form.f'.$i};
}
} else {
if ($ENV{'form.f'.$i} ne 'none') {
$fields{$ENV{'form.f'.$i}}=$keyfields[$i];
}
}
}
$request->print('<h3>Assigning Grades</h3>');
my $courseid=$ENV{'request.course.id'};
my $cdom=$ENV{"course.$courseid.domain"};
my $cnum=$ENV{"course.$courseid.num"};
my (%classlist) = &getclasslist($cdom,$cnum,'1');
my @skipped;
my $countdone=0;
foreach my $grade (@gradedata) {
my %entries=&Apache::loncommon::record_sep($grade);
my $username=$entries{$fields{'username'}};
my $domain=$entries{$fields{'domain'}};
if (!exists($classlist{"$username:$domain"})) {
push(@skipped,"$username:$domain");
next;
}
my %grades;
foreach my $dest (keys(%fields)) {
if ($dest eq 'username' || $dest eq 'domain') { next; }
if ($entries{$fields{$dest}} eq '') { next; }
my $store_key=$dest;
$store_key=~s/^stores/resource/;
$store_key=~s/_/\./g;
$grades{$store_key}=$entries{$fields{$dest}};
}
$grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
&Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},
$domain,$username);
$request->print('.');
$request->rflush();
$countdone++;
}
$request->print("<br />Stored $countdone students\n");
if (@skipped) {
$request->print('<br /><font size="+1"><b>Skipped Students</b></font><br />');
foreach my $student (@skipped) { $request->print("<br />$student"); }
}
$request->print(&view_edit_entire_class_form($symb,$url));
$request->print(&show_grading_menu_form($symb,$url));
return '';
}
sub send_header {
my ($request)= @_;
$request->print(&Apache::lontexconvert::header());
# $request->print("
#<script>
#remotewindow=open('','homeworkremote');
#remotewindow.close();
#</script>");
$request->print('<body bgcolor="#FFFFFF">');
}
sub send_footer {
my ($request)= @_;
$request->print('</body>');
$request->print(&Apache::lontexconvert::footer());
}
sub handler {
my $request=$_[0];
if ($ENV{'browser.mathml'}) {
$request->content_type('text/xml');
} else {
$request->content_type('text/html');
}
$request->send_http_header;
return OK if $request->header_only;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
my $url=$ENV{'form.url'};
my $symb=$ENV{'form.symb'};
my $command=$ENV{'form.command'};
if (!$url) {
my ($temp1,$temp2);
($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
$url = $ENV{'form.url'};
}
&send_header($request);
if ($url eq '' && $symb eq '') {
if ($ENV{'user.adv'}) {
if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
($ENV{'form.codethree'})) {
my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
$ENV{'form.codethree'};
my ($tsymb,$tuname,$tudom,$tcrsid)=
&Apache::lonnet::checkin($token);
if ($tsymb) {
my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
$request->print(
&Apache::lonnet::ssi('/res/'.$url,
('grade_username' => $tuname,
'grade_domain' => $tudom,
'grade_courseid' => $tcrsid,
'grade_symb' => $tsymb)));
} else {
$request->print('<h1>Not authorized: '.$token.'</h1>');
}
} else {
$request->print('<h1>Not a valid DocID: '.$token.'</h1>');
}
} else {
$request->print(&Apache::lonxml::tokeninputfield());
}
}
} else {
#&Apache::lonhomework::showhashsubset(\%ENV,'^form');
$Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
if ($command eq 'submission') {
&listStudents($request) if ($ENV{'form.student'} eq '');
$request->print(&submission($request)) if ($ENV{'form.student'} ne '');
} elsif ($command eq 'gradingmenu') {
$request->print(&gradingmenu($request));
} elsif ($command eq 'viewgrades') {
$request->print(&viewgrades($request));
} elsif ($command eq 'handgrade') {
$request->print(&processHandGrade($request));
} elsif ($command eq 'editgrades') {
$request->print(&editgrades($request));
} elsif ($command eq 'verify') {
$request->print(&verifyreceipt($request));
} elsif ($command eq 'csvupload') {
$request->print(&csvupload($request));
} elsif ($command eq 'csvuploadmap') {
$request->print(&csvuploadmap($request));
} elsif ($command eq 'receiptInput') {
&receiptInput($request);
} elsif ($command eq 'csvuploadassign') {
if ($ENV{'form.associate'} ne 'Reverse Association') {
$request->print(&csvuploadassign($request));
} else {
if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
$ENV{'form.upfile_associate'} = 'reverse';
} else {
$ENV{'form.upfile_associate'} = 'forward';
}
$request->print(&csvuploadmap($request));
}
} else {
$request->print("Unknown action: $command:");
}
}
&send_footer($request);
return OK;
}
1;
__END__;
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>