--- loncom/homework/grades.pm 2001/02/09 03:24:45 1.2
+++ loncom/homework/grades.pm 2001/07/30 22:21:20 1.11
@@ -1,50 +1,309 @@
# The LON-CAPA Grading handler
-# Guy Albertelli
-# 11/30 Gerd Kortemeyer
-# 6/1 Gerd Kortemeyer
+# 2/9,2/13 Guy Albertelli
+# 6/8 Gerd Kortemeyer
+# 7/26 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");
- $request->print('
');
+ if ( $Apache::grades::viewgrades eq 'F' ) {
+ $request->print('');
+ }
+ return '';
+}
+
+
+sub listStudents {
+ my ($request) = shift;
+ my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
+ my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
+ $request->print ("Found $cdom:$cnum:$chome
");
+ my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
+ foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
+ my ($sname,$sdom) = split(/:/,$student);
+
+ my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
+ ':environment:lastname&generation&firstname&middlename',
+ &Apache::lonnet::homeserver($sname,$sdom));
+ print "reply=$reply
";
+ my (@nameparts) = split /&/,$reply;
+# my $sfullname = $Apache::lonnet::unescape($nameparts[0]);
+
+ if ( $Apache::grades::viewgrades eq 'F' ) {
+ $request->print('');
+ }
+ }
+
}
+#FIXME - needs to handle multiple matches
sub finduser {
my ($name) = @_;
-
+ my $domain = '';
+
+ if ( $Apache::grades::viewgrades eq 'F' ) {
+ #get classlist
+ my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
+ my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
+ #print "Found $cdom:$cnum:$chome
";
+ my (%classlist) = &getclasslist($cdom,$cnum,$chome,'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,$coursehome,$hideexpired) = @_;
+ my $classlist=&Apache::lonnet::reply("dump:$coursedomain:$coursenum:classlist",$coursehome);
+ my %classlist=();
+ my $now = time;
+ foreach my $record (split /&/, $classlist) {
+ my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));
+ my ($end,$start)=split(/:/,$value);
+ # still a student?
+ if (($hideexpired) && ($end) && ($end < $now)) {
+ print "Skipping:$name:$end:$now
\n";
+ next;
+ }
+ print "record=$record
";
+ push( @{ $classlist{'allids'} }, $name);
+ }
+ return (%classlist);
+}
+
+sub getpartlist {
+ my ($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 $cellclr = '"#ffffdd"';
+ my ($stuname,$domain) = split(/:/,$student);
+
+ my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
+
+ $result.="$stuname | $domain | \n";
+ foreach my $part (@parts) {
+ my ($temp,$part,$type)=split(/_/,$part);
+ #print "resource.$part.$type = ".$record{"resource.$part.$type"}."
\n";
+ if ($type eq 'awarded') {
+ my $score=$record{"resource.$part.$type"};
+ $result.=" | \n";
+ } elsif ($type eq 'tries') {
+ my $score=$record{"resource.$part.$type"};
+ $result.=" | \n"
+ } elsif ($type eq 'solved') {
+ my $score=$record{"resource.$part.$type"};
+ $result.=" | \n";
+ }
+ }
+ $result.='
';
+ return $result;
+}
+#FIXME need to look at the meatdata spec on what type of data to accept and provide an
+#interface based on that, also do that to above function.
+sub setstudentgrade {
+ my ($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.$type"};
+ if ($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') { $newscore = 'ungraded_attempted'; }
+ } else {
+ #$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'}:$ENV{'user.domain'}";
+ &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
+
+ $result.="Stored away ".scalar(keys(%newrecord))." elements.
\n";
+ }
+ return $result;
}
sub submission {
my ($request) = @_;
+ my $url=$ENV{'form.url'};
+ $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }
+# if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }
my ($uname,$udom) = &finduser($ENV{'form.student'});
if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }
-# my $answer=&Apache::lonnet::reply(
-# "restore:$udom:$uname:".
-# $ENV{'request.course.id'}.':'.
-# &Apache::lonnet::escape($symb),
-# &Apache::lonnet::homeserver($uname,$udom));
- return '';
+ my $symb=&Apache::lonnet::symbread($url);
+ if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
+ my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
+ $ENV{'request.course.id'});
+ my $result=" Submission Record
$uname:$udom for $url
".$answer;
+ return $result;
+}
+
+sub viewgrades {
+ my ($request) = @_;
+ my $result='';
+
+ #get resource reference
+ 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); }
+ if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
+
+ #get classlist
+ my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
+ my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
+ #print "Found $cdom:$cnum:$chome
";
+ my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
+ my $headerclr = '"#ccffff"';
+ my $cellclr = '"#ffffcc"';
+
+ #get list of parts for this problem
+ my (@parts) = &getpartlist($url);
+
+ $request->print ("Manual Grading
");
+
+ #start the form
+ $result = '';
+
+ 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'});
+ my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
+ #print "Found $cdom:$cnum:$chome
";
+ my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
+
+ #get list of parts for this problem
+ my (@parts) = &getpartlist($url);
+
+ $result.='';
+ return $result;
}
sub send_header {
my ($request)= @_;
$request->print(&Apache::lontexconvert::header());
+# $request->print("
+#");
$request->print('');
}
@@ -67,15 +326,21 @@ sub handler {
$request->send_http_header;
return OK if $request->header_only;
my $url=$ENV{'form.url'};
+ my $symb=$ENV{'form.symb'};
my $command=$ENV{'form.command'};
&send_header($request);
- if ($url eq '') {
+ if ($url eq '' && $symb eq '') {
$request->print("Non-Contextual Access Unsupported:$command:$url:");
} else {
- $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$url);
+ $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
if ($command eq 'submission') {
- &submission($request);
+ $request->print(&listStudents($request)) if ($ENV{'form.student'} eq '');
+ $request->print(&submission($request)) if ($ENV{'form.student'} ne '');
+ } elsif ($command eq 'viewgrades') {
+ $request->print(&viewgrades($request));
+ } elsif ($command eq 'editgrades') {
+ $request->print(&editgrades($request));
} else {
$request->print("Unknown action:$command:");
}