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Diff for /loncom/homework/grades.pm between versions 1.148 and 1.154

version 1.148, 2003/11/07 08:56:52 version 1.154, 2003/11/10 16:35:57
Line 132  sub response_type { Line 132  sub response_type {
     my ($url,$symb) = shift;      my ($url,$symb) = shift;
     $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))) if ($symb eq '');      $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))) if ($symb eq '');
     my $allkeys = &Apache::lonnet::metadata($url,'keys');      my $allkeys = &Apache::lonnet::metadata($url,'keys');
       my %vPart;
       foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
    $vPart{$partid}=1;
       }
     my %seen = ();      my %seen = ();
     my (@partlist,%handgrade,%responseType);      my (@partlist,%handgrade,%responseType);
     foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {      foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
Line 141  sub response_type { Line 145  sub response_type {
     if (&Apache::loncommon::check_if_partid_hidden($partid,$symb)) {      if (&Apache::loncommon::check_if_partid_hidden($partid,$symb)) {
  next;   next;
     }      }
       if (%vPart && !exists($vPart{$partid})) {
    next;
       }
     $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!      $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!
     my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);      my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);
     $handgrade{$part} = ($value eq 'yes' ? 'yes' : 'no');       $handgrade{$part} = ($value eq 'yes' ? 'yes' : 'no'); 
Line 157  sub response_type { Line 164  sub response_type {
 #--- Show resource title  #--- Show resource title
 #--- and parts and response type  #--- and parts and response type
 sub showResourceInfo {  sub showResourceInfo {
     my ($url,$probTitle) = @_;      my ($url,$probTitle,$checkboxes) = @_;
       my $col=3;
       if ($checkboxes) { $col=4; }
     my $result ='<table border="0">'.      my $result ='<table border="0">'.
  '<tr><td colspan=3><font size=+1><b>Current Resource: </b>'.$probTitle.'</font></td></tr>'."\n";   '<tr><td colspan="'.$col.'"><font size="+1"><b>Current Resource: </b>'.
    $probTitle.'</font></td></tr>'."\n";
     my ($partlist,$handgrade,$responseType) = &response_type($url);      my ($partlist,$handgrade,$responseType) = &response_type($url);
     my %resptype = ();      my %resptype = ();
     my $hdgrade='no';      my $hdgrade='no';
       my %partsseen;
     for my $part_resID (sort keys(%$handgrade)) {      for my $part_resID (sort keys(%$handgrade)) {
  my $handgrade=$$handgrade{$part_resID};   my $handgrade=$$handgrade{$part_resID};
  my ($partID,$resID) = split(/_/,$part_resID);   my ($partID,$resID) = split(/_/,$part_resID);
  my $responsetype = $responseType->{$partID}->{$resID};   my $responsetype = $responseType->{$partID}->{$resID};
  $hdgrade = $handgrade if ($handgrade eq 'yes');   $hdgrade = $handgrade if ($handgrade eq 'yes');
  $result.='<tr><td><b>Part </b>'.$partID.' <font color="#999999">'.   $result.='<tr>';
    if ($checkboxes) {
       if (exists($partsseen{$partID})) {
    $result.="<td>&nbsp;</td>";
       } else {
    $result.="<td><input type='checkbox' name='vPart' value='$partID' checked='on' /></td>";
       }
       $partsseen{$partID}=1;
    }
    $result.='<td><b>Part </b>'.$partID.' <font color="#999999">'.
     $resID.'</font></td>'.      $resID.'</font></td>'.
     '<td><b>Type: </b>'.$responsetype.'</td></tr>';      '<td><b>Type: </b>'.$responsetype.'</td></tr>';
 #    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';  #    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
Line 189  sub get_order { Line 209  sub get_order {
        ('grade_courseid' =>          ('grade_courseid' => 
         $ENV{'request.course.id'}),          $ENV{'request.course.id'}),
        ('grade_username' => $uname));         ('grade_username' => $uname));
     (my $debug,$subresult)=split(/_HASH_REF__/,$subresult,2);      (undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
     Apache->request->print($debug);  
     my %analyze=&Apache::lonnet::str2hash($subresult);      my %analyze=&Apache::lonnet::str2hash($subresult);
     return ($analyze{"$partid.$respid.shown"});      return ($analyze{"$partid.$respid.shown"});
 }  }
Line 551  sub listStudents { Line 570  sub listStudents {
     my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.      my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
  ' Submissions for a Student or a Group of Students</font></h3>';   ' Submissions for a Student or a Group of Students</font></h3>';
   
     my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($url,$ENV{'form.probTitle'});      my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($url,$ENV{'form.probTitle'},($ENV{'form.showgrading'} eq 'yes'));
     $result.=$table;  
   
     $request->print(<<LISTJAVASCRIPT);      $request->print(<<LISTJAVASCRIPT);
 <script type="text/javascript" language="javascript">  <script type="text/javascript" language="javascript">
Line 592  LISTJAVASCRIPT Line 610  LISTJAVASCRIPT
   
     my $checkhdgrade = ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked' : '';      my $checkhdgrade = ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked' : '';
     my $checklastsub = $checkhdgrade eq '' ? 'checked' : '';      my $checklastsub = $checkhdgrade eq '' ? 'checked' : '';
     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'."\n".      my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
    "\n".$table.
  '&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".   '&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
  '<input type="radio" name="vProb" value="yes" /> one student '."\n".   '<input type="radio" name="vProb" value="yes" /> one student '."\n".
  '<input type="radio" name="vProb" value="all" /> all students <br />'."\n".   '<input type="radio" name="vProb" value="all" /> all students <br />'."\n".
Line 666  LISTJAVASCRIPT Line 685  LISTJAVASCRIPT
  my ($foo,$partid,$foo1) = split(/\./,$_);   my ($foo,$partid,$foo1) = split(/\./,$_);
  if ($status{'resource.'.$partid.'.submitted_by'} ne '') {   if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
     $submitted = 0;      $submitted = 0;
       my ($part)=split(/\./,$partid);
     $gradeTable.='<input type="hidden" name="'.      $gradeTable.='<input type="hidden" name="'.
  $student.':submitted_by" value="'.   $student.':'.$part.':submitted_by" value="'.
  $status{'resource.'.$partid.'.submitted_by'}.'" />';   $status{'resource.'.$partid.'.submitted_by'}.'" />';
  }   }
     }      }
Line 1435  sub submission { Line 1455  sub submission {
     '<input type="hidden" name="msgsub"   value="'.$ENV{'form.msgsub'}.'" />'."\n".      '<input type="hidden" name="msgsub"   value="'.$ENV{'form.msgsub'}.'" />'."\n".
     '<input type="hidden" name="shownSub" value="0" />'."\n".      '<input type="hidden" name="shownSub" value="0" />'."\n".
     '<input type="hidden" name="savemsgN" value="'.$ENV{'form.savemsgN'}.'" />'."\n");      '<input type="hidden" name="savemsgN" value="'.$ENV{'form.savemsgN'}.'" />'."\n");
       foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
    $request->print('<input type="hidden" name="vPart" value="'.$partid.'" />'."\n");
       }
  }   }
   
  my ($cts,$prnmsg) = (1,'');   my ($cts,$prnmsg) = (1,'');
Line 1533  KEYWORDS Line 1556  KEYWORDS
     $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';      $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
  }   }
                 $result.='<br />'."\n";                  $result.='<br />'."\n";
    my ($part)=split(/\./,$_);
  $result.='<input type="hidden" name="collaborator'.$counter.   $result.='<input type="hidden" name="collaborator'.$counter.
     '" value="'.(join ':',@goodcollaborators).'" />'."\n";      '" value="'.$part.':'.(join ':',@goodcollaborators).'" />'.
       "\n";
     }      }
     if (scalar(@badcollaborators) > 0) {      if (scalar(@badcollaborators) > 0) {
  $result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';   $result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';
Line 1560  KEYWORDS Line 1585  KEYWORDS
     #             (3) Last submission plus the parts info      #             (3) Last submission plus the parts info
     #             (4) The whole record for this student      #             (4) The whole record for this student
     if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {      if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
  if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {   my ($string,$timestamp)= &get_last_submission(\%record);
     my $submitby=''.   my $lastsubonly=''.
  '<b>Collaborative submission by: </b>'.      ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
  '<a href="javascript:viewSubmitter(\''.       $$timestamp)."</td></tr>\n";
  $ENV{'form.'.$uname.':'.$udom.':submitted_by'}.   if ($$timestamp eq '') {
  '\')"; TARGET=_self>'.      $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
  $$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';  
     $request->print($submitby);  
  } else {   } else {
     my ($string,$timestamp)= &get_last_submission(\%record);      my %seenparts;
     my $lastsubonly=''.      for my $part (sort keys(%$handgrade)) {
  ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.   my ($partid,$respid) = split(/_/,$part);
  $$timestamp)."</td></tr>\n";   if ($ENV{"form.$uname:$udom:$partid:submitted_by"}) {
     if ($$timestamp eq '') {      if (exists($seenparts{$partid})) { next; }
  $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0];       $seenparts{$partid}=1;
     } else {      my $submitby='<b>Part '.$partid.
  for my $part (sort keys(%$handgrade)) {   ' Collaborative submission by: </b>'.
     my ($partid,$respid) = split(/_/,$part);   '<a href="javascript:viewSubmitter(\''.
     my $responsetype = $responseType->{$partid}->{$respid};   $ENV{"form.$uname:$udom:$partid:submitted_by"}.
     if (!exists($record{'resource.'.$partid.'.'.$respid.'.submission'})) {   '\')"; TARGET=_self>'.
    $$fullname{$ENV{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
       $request->print($submitby);
       next;
    }
    my $responsetype = $responseType->{$partid}->{$respid};
    if (!exists($record{"resource.$partid.$respid.submission"})) {
       $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
    $partid.'</b> <font color="#999999">( ID '.$respid.
    ' )</font>&nbsp; &nbsp;'.
    '<font color="red">Nothing submitted - no attempts</font><br /><br />';
       next;
    }
    foreach (@$string) {
       my ($partid,$respid) = /^resource\.([^\.]*)\.([^\.]*)\.submission/;
       if ($part ne ($partid.'_'.$respid)) { next; }
       my ($ressub,$subval) = split(/:/,$_,2);
       # Similarity check
       my $similar='';
       if($ENV{'form.checkPlag'}){
    my ($oname,$odom,$ocrsid,$oessay,$osim)=
       &most_similar($uname,$udom,$subval);
    if ($osim) {
       $osim=int($osim*100.0);
       $similar="<hr /><h3><font color=\"#FF0000\">Essay".
    " is $osim% similar to an essay by ".
    &Apache::loncommon::plainname($oname,$odom).
    '</font></h3><blockquote><i>'.
    &keywords_highlight($oessay).
    '</i></blockquote><hr />';
    }
       }
       my $order=&get_order($partid,$respid,$symb,$uname,$udom);
       if ($ENV{'form.lastSub'} eq 'lastonly' || 
    ($ENV{'form.lastSub'} eq 'hdgrade' && 
    $$handgrade{$part} eq 'yes')) {
  $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.   $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
     $partid.'</b> <font color="#999999">( ID '.$respid.      $partid.'</b> <font color="#999999">( ID '.$respid.
     ' )</font>&nbsp; &nbsp;'.      ' )</font>&nbsp; &nbsp;';
     '<font color="red">Nothing submitted - no attempts</font><br /><br />';   if ($record{"resource.$partid.$respid.uploadedurl"}) {
      } else {      $lastsubonly.='<a href="'.&Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).'"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> <font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
  foreach (@$string) {  
     my ($partid,$respid) = /^resource\.([^\.]*)\.([^\.]*)\.submission/;  
     if ($part eq ($partid.'_'.$respid)) {  
  my ($ressub,$subval) = split(/:/,$_,2);  
                             # Similarity check  
  my $similar='';  
  my $oname;  
  my $odom;  
  my $ocrsid;  
  my $oessay;  
  my $osim;  
  if($ENV{'form.checkPlag'}){  
     ($oname,$odom,$ocrsid,$oessay,$osim)=&most_similar($uname,$udom,$subval);  
     if ($osim) {  
  $osim=int($osim*100.0);  
  $similar='<hr /><h3><font color="#FF0000">Essay is '.$osim.  
     '% similar to an essay by '.&Apache::loncommon::plainname($oname,$odom).  
     '</font></h3><blockquote><i>'.  
     &keywords_highlight($oessay).'</i></blockquote><hr />';  
     }  
  }  
  my $order=&get_order($partid,$respid,$symb,$uname,$udom);  
  $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.  
     $partid.'</b> <font color="#999999">( ID '.$respid.  
     ' )</font>&nbsp; &nbsp;'.  
     ($record{"resource.$partid.$respid.uploadedurl"}?  
      '<a href="'.  
      &Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).  
      '"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> '.  
      '<font color="red" size="1">Like all files provided by users, '.  
      'this file may contain virusses</font><br />':'').  
      '<b>Submitted Answer: </b>'.  
      &cleanRecord($subval,$responsetype,$symb,$partid,$respid,\%record,$order).  
      '<br /><br />'.$similar."\n"  
      if ($ENV{'form.lastSub'} eq 'lastonly' ||   
  ($ENV{'form.lastSub'} eq 'hdgrade' &&   
   $$handgrade{$part} =~ /:yes$/));  
     }  
  }   }
    $lastsubonly.='<b>Submitted Answer: </b>'.
       &cleanRecord($subval,$responsetype,$symb,$partid,
    $respid,\%record,$order);
    if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
     }      }
  }   }
     }      }
     $lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";  
     $request->print($lastsubonly);  
  }   }
    $lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
    $request->print($lastsubonly);
     } elsif ($ENV{'form.lastSub'} eq 'datesub') {      } elsif ($ENV{'form.lastSub'} eq 'datesub') {
  my (undef,$responseType,undef,$parts) = &showResourceInfo($url);   my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
  $request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));   $request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
Line 1805  sub processHandGrade { Line 1829  sub processHandGrade {
        $ENV{'form.msgsub'},$message);         $ENV{'form.msgsub'},$message);
     }      }
     if ($ENV{'form.collaborator'.$ctr}) {      if ($ENV{'form.collaborator'.$ctr}) {
  my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});   my @collabstrs;
  foreach (@collaborators) {   if (ref($ENV{'form.collaborator'.$ctr}) eq 'ARRAY') {
     my ($errorflag,$pts,$wgt) =       @collabstrs=@{$ENV{'form.collaborator'.$ctr}};
  &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,$ENV{'form.unamedom'.$ctr});   } else {
     if ($errorflag eq 'not_allowed') {      @collabstrs=$ENV{'form.collaborator'.$ctr};
  $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");   }
  next;   foreach my $collabstr (@collabstrs) {
     } else {      my ($part,@collaborators) = split(/:/,$collabstr);
  if ($message ne '') {      foreach (@collaborators) {
     $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,   my ($errorflag,$pts,$wgt) = 
    $ENV{'form.msgsub'},      &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
    $message);     $ENV{'form.unamedom'.$ctr},$part);
    if ($errorflag eq 'not_allowed') {
       $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
       next;
    } else {
       if ($message ne '') {
    $msgstatus = &Apache::lonmsg::user_normal_msg($_,$udom,$ENV{'form.msgsub'},$message);
       }
       
  }   }
     }      }
  }   }
Line 1968  sub processHandGrade { Line 2000  sub processHandGrade {
   
 #---- Save the score and award for each student, if changed  #---- Save the score and award for each student, if changed
 sub saveHandGrade {  sub saveHandGrade {
     my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter) = @_;      my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
     my $usec = &Apache::lonnet::getsection($domain,$stuname,      my $usec = &Apache::lonnet::getsection($domain,$stuname,
    $ENV{'request.course.id'});     $ENV{'request.course.id'});
     if (!&canmodify($usec)) { return('not_allowed'); }      if (!&canmodify($usec)) { return('not_allowed'); }
Line 1976  sub saveHandGrade { Line 2008  sub saveHandGrade {
     my %newrecord  = ();      my %newrecord  = ();
     my ($pts,$wgt) = ('','');      my ($pts,$wgt) = ('','');
     foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {      foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
    #collaborator may vary for different parts
    if ($submitter && $_ ne $part) { next; }
  my $dropMenu = $ENV{'form.GD_SEL'.$newflg.'_'.$_};   my $dropMenu = $ENV{'form.GD_SEL'.$newflg.'_'.$_};
  if ($dropMenu eq 'excused') {   if ($dropMenu eq 'excused') {
     if ($record{'resource.'.$_.'.solved'} ne 'excused') {      if ($record{'resource.'.$_.'.solved'} ne 'excused') {
Line 1996  sub saveHandGrade { Line 2030  sub saveHandGrade {
     $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ?       $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ? 
     $ENV{'form.GD_BOX'.$newflg.'_'.$_} :       $ENV{'form.GD_BOX'.$newflg.'_'.$_} : 
     $ENV{'form.RADVAL'.$newflg.'_'.$_});      $ENV{'form.RADVAL'.$newflg.'_'.$_});
     return 'no_score' if ($pts eq '' && $ENV{'form.GD_SEL'.$newflg.'_'.$_} eq '');      if ($pts eq '' && $ENV{'form.GD_SEL'.$newflg.'_'.$_} eq '') {
    next;
       }
     $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 :       $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : 
  $ENV{'form.WGT'.$newflg.'_'.$_};   $ENV{'form.WGT'.$newflg.'_'.$_};
     my $partial= $pts/$wgt;      my $partial= $pts/$wgt;
     next if ($partial eq $record{'resource.'.$_.'.awarded'}); #do not update score for part if not changed.      if ($partial eq $record{'resource.'.$_.'.awarded'}) {
     $newrecord{'resource.'.$_.'.awarded'}  = $partial    #do not update score for part if not changed.
  if ($record{'resource.'.$_.'.awarded'} ne $partial);   next;
       }
       if ($record{'resource.'.$_.'.awarded'} ne $partial) {
    $newrecord{'resource.'.$_.'.awarded'}  = $partial;
       }
     my $reckey = 'resource.'.$_.'.solved';      my $reckey = 'resource.'.$_.'.solved';
     if ($partial == 0) {      if ($partial == 0) {
  $newrecord{$reckey} = 'incorrect_by_override'    if ($record{$reckey} ne 'incorrect_by_override') {
     if ($record{$reckey} ne 'incorrect_by_override');      $newrecord{$reckey} = 'incorrect_by_override';
    }
     } else {      } else {
  $newrecord{$reckey} = 'correct_by_override'    if ($record{$reckey} ne 'correct_by_override') {
     if ($record{$reckey} ne 'correct_by_override');      $newrecord{$reckey} = 'correct_by_override';
    }
       }    
       if ($submitter && 
    ($record{'resource.'.$_.'.submitted_by'} ne $submitter)) {
    $newrecord{'resource.'.$_.'.submitted_by'} = $submitter;
     }      }
     $newrecord{'resource.'.$_.'.submitted_by'} = $submitter       $newrecord{'resource.'.$_.'.regrader'}=
  if ($submitter && ($record{'resource.'.$_.'.submitted_by'} ne $submitter));   "$ENV{'user.name'}:$ENV{'user.domain'}";
     $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";  
  }   }
     }      }
   
     if (scalar(keys(%newrecord)) > 0) {      if (scalar(keys(%newrecord)) > 0) {
  &Apache::lonnet::cstore(\%newrecord,$symb,   &Apache::lonnet::cstore(\%newrecord,$symb,
  $ENV{'request.course.id'},$domain,$stuname);   $ENV{'request.course.id'},$domain,$stuname);
Removed from v.1.148  
changed lines
  Added in v.1.154

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