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Diff for /loncom/homework/grades.pm between versions 1.15 and 1.26

version 1.15, 2001/08/20 23:27:27 version 1.26, 2002/05/21 02:29:22
Line 1 Line 1
   # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler  # The LON-CAPA Grading handler
   #
   # $Id$
   #
   # 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  # 2/9,2/13 Guy Albertelli
 # 6/8 Gerd Kortemeyer  # 6/8 Gerd Kortemeyer
 # 7/26 H.K. Ng  # 7/26 H.K. Ng
Line 18  sub moreinfo { Line 44  sub moreinfo {
   $request->print("Unable to process request: $reason");    $request->print("Unable to process request: $reason");
   if ( $Apache::grades::viewgrades eq 'F' ) {    if ( $Apache::grades::viewgrades eq 'F' ) {
     $request->print('<form action="/adm/grades" method="post">'."\n");      $request->print('<form action="/adm/grades" method="post">'."\n");
     $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'"></input>'."\n");      if ($ENV{'form.url'}) {
     $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'"></input>'."\n");        $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\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");      if ($ENV{'form.symb'}) {
     $request->print('<input type="submit" name="submit" value="ReSubmit"></input>'."<br />\n");        $request->print('<input type="hidden" name="symb" value="'.$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>');      $request->print('</form>');
   }    }
   return '';    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++;
      }
           }
           $request->print('<p>'.$matches.' match(es)</p>');
       }
       return '';
   }
   
 sub listStudents {  sub listStudents {
   my ($request) = shift;    my ($request) = shift;
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});    my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};
   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};    my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};
   $request->print ("Found $cdom:$cnum:$chome<br />");    my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});
   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');    $request->print(<<ENDHEADER);
   <h1>Verify a Submission Receipt Issued by this Server</h1>
   <form action="/adm/grades" method="post">
   <tt>$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'}.'" />');
     }
     $request->print(<<ENDTABLEST);
   </form>
   <h1>Show Student Submissions on Assessment</h1>
   <table border="1">
   <tr><th>Username</th><th>Domain</th><th>Name</th><th>&nbsp;</th></tr>
   ENDTABLEST
     my (%classlist) = &getclasslist($cdom,$cnum,'0');
   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {    foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
       my ($sname,$sdom) = split(/:/,$student);        my ($sname,$sdom) = split(/:/,$student);
   
       my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.        my %name=&Apache::lonnet::get('environment', ['lastname','generation',
      ':environment:lastname&generation&firstname&middlename',      'firstname','middlename'],
       &Apache::lonnet::homeserver($sname,$sdom));      $sdom,$sname);
       #print "reply=$reply<br>";        my $fullname;
       my (@nameparts) = split /&/,$reply;        my ($tmp) = keys(%name);
 #      my $sfullname = $Apache::lonnet::unescape($nameparts[0]);        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' ) {        if ( $Apache::grades::viewgrades eq 'F' ) {
   $request->print('<form action="/adm/grades" method="post">'."\n");    $request->print("\n".'<tr>'."<td>$sname</td><td>$sdom</td><td>$fullname</td><td>".
   $request->print("$sname @nameparts\n");    '<form action="/adm/grades" method="post">');
   $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'"></input>'."\n");    if ($ENV{'form.url'}) {
   $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'"></input>'."\n");      $request->print(
   $request->print('<input type="hidden" name="student" value="'.$sname.'"></input>'."\n");      '<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');
   $request->print('<input type="hidden" name="domain" value="'.$sdom.'"></input>'."\n");    }
   $request->print('<input type="submit" name="submit" value="View"></input>'."<br />\n");    if ($ENV{'form.symb'}) {
   $request->print('</form>');      $request->print(
       '<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');
     }
     $request->print(
       '<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />');
     $request->print(
                '<input type="hidden" name="student" value="'.$sname.'" />');
     $request->print(
                '<input type="hidden" name="domain" value="'.$sdom.'" />');
     $request->print(
                            '<input type="submit" name="submit" value="View" />');
     $request->print('</form></td></tr>');
       }        }
   }    }
     $request->print('</table>');
 }  }
   
   
Line 68  sub finduser { Line 162  sub finduser {
   if ( $Apache::grades::viewgrades eq 'F' ) {    if ( $Apache::grades::viewgrades eq 'F' ) {
     #get classlist      #get classlist
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});      my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};      #print "Found $cdom:$cnum<br />";
     #print "Found $cdom:$cnum:$chome<br />";      my (%classlist) = &getclasslist($cdom,$cnum,'0');
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {      foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
       my ($posname,$posdomain) = split(/:/,$student);        my ($posname,$posdomain) = split(/:/,$student);
       if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }        if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
Line 82  sub finduser { Line 175  sub finduser {
 }  }
   
 sub getclasslist {  sub getclasslist {
   my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;    my ($coursedomain,$coursenum,$hideexpired) = @_;
   my $classlist=&Apache::lonnet::reply("dump:$coursedomain:$coursenum:classlist",$coursehome);    my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
   my %classlist=();  
   my $now = time;    my $now = time;
   foreach my $record (split /&/, $classlist) {    foreach my $student (keys(%classlist)) {
     my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));      my ($end,$start)=split(/:/,$classlist{$student});
     my ($end,$start)=split(/:/,$value);  
     # still a student?      # still a student?
     if (($hideexpired) && ($end) && ($end < $now)) {      if (($hideexpired) && ($end) && ($end < $now)) {
       #print "Skipping:$name:$end:$now<br />\n";        #print "Skipping:$name:$end:$now<br />\n";
       next;        next;
     }      }
     #print "record=$record<br>";      #print "record=$record<br>";
     push( @{ $classlist{'allids'} }, $name);       push( @{ $classlist{'allids'} }, $student);
   }    }
   return (%classlist);    return (%classlist);
 }  }
Line 211  sub submission { Line 302  sub submission {
 #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }  #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }
   my ($uname,$udom) = &finduser($ENV{'form.student'});    my ($uname,$udom) = &finduser($ENV{'form.student'});
   if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }    if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }
   my $symb=&Apache::lonnet::symbread($url);    my $symb;
     if ($ENV{'form.symb'}) {
       $symb=$ENV{'form.symb'};
     } else {
       $symb=&Apache::lonnet::symbread($url);
     }
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
   my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,    my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
       $ENV{'request.course.id'});        $ENV{'request.course.id'});
   my $result="<h2> Submission Record </h2>  $uname:$udom for $url <br />".$answer;    my $result="<h2> Submission Record </h2>  $uname:$udom for $url <br />".$answer;
     my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
      $ENV{'request.course.id'});
     $result.="Student's view of the problem:<br /> $rendered <br /> Correct answer:<br />";
   
     $answer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
     $ENV{'request.course.id'});
     $result.=$answer;
   return $result;    return $result;
 }  }
   
 sub viewgrades {  sub get_symb_and_url {
   my ($request) = @_;   my ($request) = @_;
   my $result='';  
   
   #get resource reference  
   my $url=$ENV{'form.url'};    my $url=$ENV{'form.url'};
   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;    $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
   my $symb=$ENV{'form.symb'};    my $symb=$ENV{'form.symb'};
   if (!$symb) { $symb=&Apache::lonnet::symbread($url); }    if (!$symb) { $symb=&Apache::lonnet::symbread($url); }
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
    return ($symb,$url);
   }
   
   sub gradingmenu {
     my ($request) = @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     my $result='<h2>Select a grading method</h2><br />';
     $result.='<form action="/adm/grades" method="post">'."\n".
        '<input type="hidden" name="symb" value="'.$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/Edit Entire Class" />'."\n".
       '</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="csvupload" />'."\n".
     '<input type="submit" name="submit" value="Upload Scores" />'."\n".
       '</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="submission" />'."\n".
     '<input type="submit" name="submit" value="View/Edit Student" />'."\n".
       '</form>';
     return $result;
   }
   
   sub viewgrades {
     my ($request) = @_;
     my $result='';
   
     #get resource reference
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
   #get classlist    #get classlist
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});    my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};    #print "Found $cdom:$cnum<br />";
   #print "Found $cdom:$cnum:$chome<br />";    my (%classlist) = &getclasslist($cdom,$cnum,'0');
   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
   my $headerclr = '"#ccffff"';    my $headerclr = '"#ccffff"';
   my $cellclr = '"#ffffcc"';    my $cellclr = '"#ffffcc"';
   
Line 245  sub viewgrades { Line 379  sub viewgrades {
   
   #start the form    #start the form
   $result = '<form action="/adm/grades" method="post">'."\n".    $result = '<form action="/adm/grades" method="post">'."\n".
     '<input type="hidden" name="symb" value="'.$symb.'"/>'."\n".      '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
       '<input type="hidden" name="url" value="'.$url.'"/>'."\n".        '<input type="hidden" name="url" value="'.$url.'" />'."\n".
  '<input type="hidden" name="command" value="editgrades" />'."\n".   '<input type="hidden" name="command" value="editgrades" />'."\n".
   '<input type="submit" name="submit" value="Submit Changes" />'."\n".    '<input type="submit" name="submit" value="Submit Changes" />'."\n".
     '<table border=0><tr><td bgcolor="#999999">'."\n".      '<table border=0><tr><td bgcolor="#999999">'."\n".
Line 276  sub editgrades { Line 410  sub editgrades {
   my $url=$ENV{'form.url'};    my $url=$ENV{'form.url'};
   #get classlist    #get classlist
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});    my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};    #print "Found $cdom:$cnum<br />";
   #print "Found $cdom:$cnum:$chome<br />";    my (%classlist) = &getclasslist($cdom,$cnum,'0');
   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
   
   #get list of parts for this problem    #get list of parts for this problem
   my (@parts) = &getpartlist($url);    my (@parts) = &getpartlist($url);
Line 297  sub editgrades { Line 430  sub editgrades {
   return $result;    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 csvuploadmap_header {
     my ($request,$symb,$url,$datatoken,$distotal)= @_;
     my $result;
     my $javascript;
     if ($ENV{'form.upfile_associate'} eq 'reverse') {
   #    $javascript=&csv_upload_javascript_reverse_associate();
     } else {
   #    $javascript=&csv_upload_javascript_forward_associate();
     }
     my $javascript_validations;#=&javascript_validations($krbdefdom);
     $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
   $javascript_validations
   </script>
   ENDPICK
     return '';
   
   }
   
   sub csvupload_fields {
     my ($url) = @_;
     my (@parts) = &getpartlist($url);
     my @fields;
     foreach my $part (@parts) {
       my @datum;
       my $display=&Apache::lonnet::metadata($url,$part.'.display');
       my $name=&Apache::lonnet::metadata($url,$part.'.name');
       if  (!$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 send_header {  sub send_header {
   my ($request)= @_;    my ($request)= @_;
   $request->print(&Apache::lontexconvert::header());    $request->print(&Apache::lontexconvert::header());
Line 326  sub handler { Line 578  sub handler {
   }    }
   $request->send_http_header;    $request->send_http_header;
   return OK if $request->header_only;    return OK if $request->header_only;
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
   my $url=$ENV{'form.url'};    my $url=$ENV{'form.url'};
   my $symb=$ENV{'form.symb'};    my $symb=$ENV{'form.symb'};
   my $command=$ENV{'form.command'};    my $command=$ENV{'form.command'};
       if (!$url) {
       my ($temp1,$temp2);
       ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
       $url = $ENV{'form.url'};
     }
   &send_header($request);    &send_header($request);
   if ($url eq '' && $symb eq '') {    if ($url eq '' && $symb eq '') {
      if ($ENV{'user.adv'}) {       if ($ENV{'user.adv'}) {
Line 359  sub handler { Line 616  sub handler {
          }           }
      }       }
   } else {    } else {
       &Apache::lonhomework::showhashsubset(\%ENV,'^form');
     $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});      $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
     if ($command eq 'submission') {      if ($command eq 'submission') {
       $request->print(&listStudents($request)) if ($ENV{'form.student'} eq '');        &listStudents($request) if ($ENV{'form.student'} eq '');
       $request->print(&submission($request)) if ($ENV{'form.student'} ne '');        $request->print(&submission($request)) if ($ENV{'form.student'} ne '');
       } elsif ($command eq 'gradingmenu') {
         $request->print(&gradingmenu($request));
     } elsif ($command eq 'viewgrades') {      } elsif ($command eq 'viewgrades') {
       $request->print(&viewgrades($request));        $request->print(&viewgrades($request));
     } elsif ($command eq 'editgrades') {      } elsif ($command eq 'editgrades') {
       $request->print(&editgrades($request));        $request->print(&editgrades($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 ($command eq 'csvuploadassign') {
         if ($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 {      } else {
       $request->print("Unknown action:$command:");        $request->print("Unknown action: $command:");
     }      }
   }    }
   &send_footer($request);    &send_footer($request);
Removed from v.1.15  
changed lines
  Added in v.1.26

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