# The LearningOnline Network with CAPA
# The LON-CAPA Grading handler
#
# $Id: grades.pm,v 1.34 2002/07/01 21:20:29 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('
');
}
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)) {
$request->print('
Verifying Submission Receipt '.$receipt.'
');
my $matches=0;
my ($classlist) = &getclasslist('all','0');
foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
my ($uname,$udom)=split(/\:/,$student);
if ($receipt eq
&Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
$request->print('Matching '.$student.' ');
$matches++;
}
}
$request->printf('
'.$matches." match%s
",$matches <= 1 ? '' : 'es');
# needs to print who is matched
}
return '';
}
sub student_gradeStatus {
my ($url,$udom,$uname) = @_;
my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
foreach my $part (&getpartlist($url)) {
my ($temp,$part,$type)=split(/_/,$part);
if ($type eq 'solved') {
my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);
$status = 'partial' if ($foo =~ /^partially/);
$status = 'nothing' if ($status eq '');
return $type,$status;
}
}
return '';
}
sub get_fullname {
my ($sname,$sdom) = @_;
my %name=&Apache::lonnet::get('environment', ['lastname','generation',
'firstname','middlename'],
$sdom,$sname);
my $fullname;
my ($tmp) = keys(%name);
if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
$fullname=$name{'lastname'}.$name{'generation'};
if ($fullname =~ /[^\s]+/) { $fullname.=', '; }
$fullname.=$name{'firstname'}.' '.$name{'middlename'};
}
return $fullname;
}
sub listStudents {
my ($request) = shift;
my $cdom =$ENV{"course.$ENV{'request.course.id'}.domain"};
my $cnum =$ENV{"course.$ENV{'request.course.id'}.num"};
my $getsec =$ENV{'form.section'};
my $submitonly=$ENV{'form.submitonly'};
$request->print(< View Submissions for a Student or a Group of Students
Resource: $ENV{'form.url'}
View Problem: no
yes
Submissions: last
all
Select
Username
Fullname
Domain
Grade Status
ENDTABLEST
if ($ENV{'form.url'}) {
$request->print(''."\n");
}
if ($ENV{'form.symb'}) {
$request->print(''."\n");
}
$request->print(''."\n");
my ($classlist) = &getclasslist($getsec,'0');
foreach my $student ( sort(@{ $$classlist{$getsec} }) ) {
my ($sname,$sdom) = split(/:/,$student);
my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$cdom,$sname);
next if ($status eq 'nothing' && $submitonly eq 'yes');
my $fullname = &get_fullname($sname,$sdom);
if ( $Apache::grades::viewgrades eq 'F' ) {
$request->print("\n".'
'.
'
'."\n".
'
'.$sname.'
'."\n".
'
'.$fullname.'
'."\n".
'
'.$sdom.'
'."\n");
$request->print('
'.$status.'
'."\n");
$request->print('
');
}
}
$request->print('
');
$request->print('');
}
sub processGroup {
my ($request) = shift;
my $ctr = 0;
my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}
: ($ENV{'form.stuinfo'}) );
my $total = scalar(@stuchecked)-1;
foreach my $student (@stuchecked) {
my ($sname,$sdom,$fullname) = split(/:/,$student);
$ENV{'form.student'} = $sname;
$ENV{'form.fullname'} = $fullname;
&submission($request,$ctr,$total);
$ctr++;
}
return 'The End';
}
#FIXME - needs to handle multiple matches
sub finduser {
my ($name) = @_;
my $domain = '';
if ( $Apache::grades::viewgrades eq 'F' ) {
#get classlist
# my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
#print "Found $cdom:$cnum ";
my ($classlist) = &getclasslist('all','0');
foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
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 ($getsec,$hideexpired) = @_;
my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'});
my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
my $now = time;
my (@holdsec,@sections);
foreach my $student (keys(%classlist)) {
my ($end,$start)=split(/:/,$classlist{$student});
# still a student?
if (($hideexpired) && ($end) && ($end < $now)) {
next;
}
my ($unam,$udom) = split(/:/,$student,2);
my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});
push @holdsec,$section;
push (@{ $classlist{$getsec} }, $student) if ($getsec eq 'all' or $getsec == $section);
}
my %seen = ();
foreach my $item (@holdsec) {
push (@sections, $item) unless $seen{$item}++;
}
return (\%classlist,\@sections);
}
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 $fullname = &get_fullname($username,$domain);
my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);
$result.="
$username
$fullname
$domain
\n";
foreach my $part (@parts) {
my ($temp,$part,$type)=split(/_/,$part);
my $score=$record{"resource.$part.$type"};
if ($type eq 'awarded' || $type eq 'tries') {
$result.='
'."\n";
} elsif ($type eq 'solved') {
my ($status,$foo)=split(/_/,$score,2);
$result.="
\n";
}
}
$result.='
';
return $result;
}
#FIXME need to look at the metadata spec on what type of data to accept and provide an
#interface based on that, also do that to above function.
sub setstudentgrade {
my ($url,$symb,$courseid,$student,@parts) = @_;
print "set student grade parts=@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=$newscore: ";
if ($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 $newscore \n";
if ($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') { $newscore = 'ungraded_attempted'; }
if ($newscore eq 'partial') { $newscore = 'correct_partially_by_override'; }
} else {
#$result.="$stuname:$part:$type:unchanged $oldscore to $newscore: \n";
}
if ($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 $newscore \n";
} else {
#$result.="$stuname:$part:$type:unchanged $oldscore to $newscore: \n";
}
}
}
if ( scalar(keys(%newrecord)) > 0 ) {
$newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
print "grader=$newrecord{'resource.regrader'}: records ";
while (my ($k,$v) = each %newrecord) {
print "k=$k:v=$v: \n";
}
# &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
$result.="Stored away ".scalar(keys(%newrecord))." elements. \n";
}
return $result;
}
#
# --------------------------- show submissions of a student, option to grade --------
sub submission {
my ($request,$counter,$total) = @_;
if ($counter == 0) {
$request->print(<
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 0 && pts < wgt) {
formsel[4].selected = true;
}
if (pts == wgt) {
formsel[0].selected = true;
}
return;
}
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 ''; }
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 ''; }
my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
#
# header info
if ($counter == 0) {
$request->print('
Submission Record
');
}
#
# option to display problem, only once else it cause problems with the form later since the problem has a form.
if ($ENV{'form.vProb'} eq 'yes' && $counter == 0) {
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'});
my $result.='