--- loncom/homework/grades.pm 2001/02/07 00:29:30 1.1
+++ loncom/homework/grades.pm 2001/08/06 16:37:58 1.12
@@ -1,38 +1,431 @@
-# The LON-CAPA Grading handler
-# Guy Albertelli
-# 11/30 Gerd Kortemeyer
-# 6/1 Gerd Kortemeyer
+# The LON-CAPA grading handler.
+#
+# Handles the viewing of grades.
+#
+# YEAR=2001
+# 2/7,2/9,2/13,4/16,4/17,5/1 Guy Albertelli
+# 6/8 Gerd Kortemeyer
+# 7/26 Guy Albertelli
+# 7/27 H.K. Ng
+# 7/30 Guy Albertelli
+# 8/6 Scott Harrison
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 handler {
- my $request=$_[0];
+# ======================================================== Get more information
+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");
+ $request->print('<input type="hidden" name="url" value="'.
+ $ENV{'form.url'}.'"></input>'."\n");
+ $request->print('<input type="hidden" name="command" value="'.
+ $ENV{'form.command'}.'"></input>'."\n");
+ $request->print("Student:".
+ '<input type="text" name="student" value="'.
+ $ENV{'form.student'}.'"></input>'."<br />\n");
+ $request->print("Domain:".
+ '<input type="text" name="domain" value="'.
+ $ENV{'user.domain'}.'"></input>'."<br />\n");
+ $request->print('<input type="submit" name="submit" '.
+ 'value="ReSubmit"></input>'."<br />\n");
+ $request->print('</form>');
+ }
+ return '';
+}
+
+# ========================================= Displays the class list of students
+sub listStudents {
+ my ($request) = shift;
+ my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
+ my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};
+ $request->print ("Found $cdom:$cnum:$chome<br />");
+ my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
+ foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
+ my ($sname,$sdom) = split(/:/,$student);
+ my $reply = &Apache::lonnet::reply('get:'.$sdom.':'.$sname.
+ ':environment:lastname&generation&firstname&middle'.
+ 'name',&Apache::lonnet::homeserver($sname,$sdom));
+ print "reply=$reply<br>";
+ my (@nameparts) = split /&/,$reply;
+# my $sfullname = $Apache::lonnet::unescape($nameparts[0]);
+ if ( $Apache::grades::viewgrades eq 'F' ) {
+ $request->print('<form action="/adm/grades" method="post">'."\n");
+ $request->print("$sname @nameparts\n");
+ $request->print('<input type="hidden" name="url" value="'.
+ $ENV{'form.url'}.'"></input>'."\n");
+ $request->print('<input type="hidden" name="command" value="'.
+ $ENV{'form.command'}.'"></input>'."\n");
+ $request->print('<input type="hidden" name="student" '.
+ 'value="'.$sname.'"></input>'."\n");
+ $request->print('<input type="hidden" name="domain" '.
+ 'value="'.$sdom.'"></input>'."\n");
+ $request->print('<input type="submit" name="submit" '.
+ 'value="View"></input>'."<br />\n");
+ $request->print('</form>');
+ }
+ }
+}
+
+# ========== Finds a user based on a name substring (returns a 2 element array)
+#FIXME - needs to handle multiple matches
+sub finduser {
+ my ($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:$chome<br />";
+ my (%classlist) = &getclasslist($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'},$ENV{'user.domain'});
+ }
+}
+
+# ===================================== Gets a class list (returns a hash list)
+sub getclasslist {
+ my ($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<br />\n";
+ next;
+ }
+ print "record=$record<br>";
+ push( @{ $classlist{'allids'} }, $name);
+ }
+ return (%classlist);
+}
+
+# ============================== Get parts of a stored value (returns an array)
+sub getpartlist {
+ my ($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;
+}
+
+# =================================== Displays student grade (returns a string)
+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);
+ $result .= "<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=".
+ "\"$cellclr\" align=\"middle\">$domain</td>\n";
+ foreach my $part (@parts) {
+ my ($temp,$part,$type)=split(/_/,$part);
+ #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";
+ if ($type eq 'awarded') {
+ my $score = $record{"resource.$part.$type"};
+ $result .= "<td bgcolor=$cellclr align=\"middle\">".
+ "<input type=\"text\" name=".
+ "\"GRADE.$student.$part.$type\" ".
+ "value=\"$score\" size=\"4\" /></td>\n";
+ } elsif ($type eq 'tries') {
+ my $score = $record{"resource.$part.$type"};
+ $result .= "<td bgcolor=$cellclr align=\"middle\"><input ".
+ "type=\"text\" name=\"GRADE.$student.$part.".
+ "$type\" value=\"$score\" size=\"4\" /></td>\n";
+ } elsif ($type eq 'solved') {
+ my $score = $record{"resource.$part.$type"};
+ $result .= "<td bgcolor=\"$cellclr\" align=\"middle\">".
+ "<select name=\"GRADE.$student.$part.$type\">\n";
+ if ($score =~ /^correct/) {
+ $result .= "<option selected=\"on\">correct</option>".
+ "\n<option>incorrect</option>\n<option>".
+ "excused</option>\n<option>ungraded".
+ "</option>\n<option>nothing</option>\n";
+ } elsif ($score =~ /^incorrect/) {
+ $result .= "<option>correct</option>\n<option ".
+ "selected=\"on\">incorrect</option>\n".
+ "<option>excused</option>\n<option>".
+ "ungraded</option>\n<option>nothing</option>\n";
+ } elsif ($score eq '') {
+ $result .= "<option>correct</option>\n<option> ".
+ "incorrect</option>\n<option>excused".
+ "</option>\n<option>ungraded</option>\n".
+ "<option selected=\"on\">nothing</option>\n";
+ } elsif ($score =~ /^excused/) {
+ $result .= "<option>correct</option>\n<option>".
+ "incorrect</option>\n<option selected=".
+ "\"on\">excused</option>\n<option>".
+ "ungraded</option>\n<option>nothing</option>\n";
+ } elsif ($score =~ /^ungraded/) {
+ $result .= "<option>correct</option>\n<option>".
+ "incorrect</option>\n<option>excused".
+ "</option>\n<option selected=\"on\">".
+ "ungraded</option>\n<option>nothing</option>\n";
+ }
+ $result .= "</select></td>\n";
+ }
+ }
+ $result .= '</tr>';
+ return $result;
+}
+
+# ========================================================== Sets student grade
+#FIXME need to look at the meatdata <stores> spec
+# on what type of data to accept and provide an
+#interface based on that, also do that to above function.
+sub setstudentgrade {
+ my ($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"};
+ 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'}.':'.
+ $ENV{'user.domain'};
+ &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
+
+ $result .= 'Stored away '.scalar(keys(%newrecord)).
+ " elements.<br />\n";
+ }
+ return $result;
+}
+
+
+# ========================================================== Attempt submission
+sub submission {
+ my ($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 $symb=&Apache::lonnet::symbread($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 = "<h2> Submission Record </h2> $uname:$udom for $url <br />".
+ $answer;
+ return $result;
+}
+
+# ================================================================= View grades
+sub viewgrades {
+ my ($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:$chome<br />";
+ my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
+ my $headerclr = '"#ccffff"';
+ my $cellclr = '"#ffffcc"';
+
+ #get list of parts for this problem
+ my (@parts) = &getpartlist($url);
+
+ $request->print("<h2><font color=\"#339966\">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="'.$url.'"/>'."\n".
+ '<input type="hidden" name="command" value="editgrades" />'."\n".
+ '<input type="submit" name="submit" value="Submit Changes" />'.
+ "\n".'<table border=0><tr><td bgcolor="#999999">'."\n".
+ '<table border=0>'."\n".
+ '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.
+ $headerclr.'>Domain</td>'."\n";
+ foreach my $part (@parts) {
+ my $display = &Apache::lonnet::metadata($url,$part.'.display');
+ if (!$display) {
+ $display = &Apache::lonnet::metadata($url,$part.'.name'); }
+ $result .= '<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";
+ }
+ $result .= "</tr>";
+
+ #get info for each student
+ foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
+ $result .= &viewstudentgrade($url,$symb,$ENV{'request.course.id'},
+ $student,@parts);
+ }
+ $result .= '</table></td></tr></table><input type="submit" name="submit"'.
+ 'value="Submit Changes" /></form>';
+ return $result;
+}
+
+# ================================================================= Edit grades
+sub editgrades {
+ my ($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:$chome<br />";
+ my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
+
+ #get list of parts for this problem
+ my (@parts) = &getpartlist($url);
- if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} else {$Apache::lonxml::debug=0;}
-
- if ($ENV{'browser.mathml'}) {
- $request->content_type('text/xml');
- } else {
- $request->content_type('text/html');
- }
- $request->send_http_header;
- return OK if $request->header_only;
- my $url=$ENV{'form.url'};
- if ($url eq '') {
- $request->print("Non-Contextual Access Unsupported");
- } else {
- $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$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";
- return OK;
+ 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 $result;
+}
+
+# ================================================================= Send header
+sub send_header {
+ my ($request) = @_;
+ $request->print(&Apache::lontexconvert::header());
+# $request->print("
+#<script>
+#remotewindow=open('','homeworkremote');
+#remotewindow.close();
+#</script>");
+ $request->print('<body bgcolor="#FFFFFF">');
+}
+
+# ================================================================= Send footer
+sub send_footer {
+ my ($request) = @_;
+ $request->print('</body>');
+ $request->print(&Apache::lontexconvert::footer());
+}
+
+# ===================================================================== Handler
+sub handler {
+ my $request = $_[0];
+ if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;}
+ else {$Apache::lonxml::debug=0;}
+ if ($ENV{'browser.mathml'}) {
+ $request->content_type('text/xml');
+ } else {
+ $request->content_type('text/html');
+ }
+ $request->send_http_header;
+ return OK if $request->header_only;
+ my $url = $ENV{'form.url'};
+ my $symb = $ENV{'form.symb'};
+ my $command = $ENV{'form.command'};
+
+ &send_header($request);
+ if ($url eq '' && $symb eq '') {
+ $request->print("Non-Contextual Access Unsupported:$command:$url:");
+ } else {
+ $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',
+ $ENV{'request.course.id'});
+ if ($command eq 'submission') {
+ $request->print(&listStudents($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:");
+ }
+ }
+ &send_footer($request);
+ return OK;
}
1;
-__END__;
+__END__