Annotation of loncom/homework/grades.pm, revision 1.22

1.17      albertel    1: # The LearningOnline Network with CAPA
1.13      albertel    2: # The LON-CAPA Grading handler
1.17      albertel    3: #
1.22    ! albertel    4: # $Id: grades.pm,v 1.21 2002/04/09 04:33:10 albertel Exp $
1.17      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.13      albertel   28: # 2/9,2/13 Guy Albertelli
1.8       www        29: # 6/8 Gerd Kortemeyer
1.13      albertel   30: # 7/26 H.K. Ng
1.14      www        31: # 8/20 Gerd Kortemeyer
1.1       albertel   32: 
                     33: package Apache::grades;
                     34: use strict;
                     35: use Apache::style;
                     36: use Apache::lonxml;
                     37: use Apache::lonnet;
1.3       albertel   38: use Apache::loncommon;
1.1       albertel   39: use Apache::lonhomework;
                     40: use Apache::Constants qw(:common);
                     41: 
1.2       albertel   42: sub moreinfo {
1.13      albertel   43:   my ($request,$reason) = @_;
                     44:   $request->print("Unable to process request: $reason");
                     45:   if ( $Apache::grades::viewgrades eq 'F' ) {
                     46:     $request->print('<form action="/adm/grades" method="post">'."\n");
1.16      albertel   47:     if ($ENV{'form.url'}) {
                     48:       $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
                     49:     }
                     50:     if ($ENV{'form.symb'}) {
                     51:       $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
                     52:     }
                     53:     $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
                     54:     $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
                     55:     $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
                     56:     $request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");
1.13      albertel   57:     $request->print('</form>');
                     58:   }
                     59:   return '';
1.2       albertel   60: }
                     61: 
1.13      albertel   62: 
1.10      ng         63: sub listStudents {
1.13      albertel   64:   my ($request) = shift;
                     65:   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
                     66:   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
1.19      www        67:   $request->print ('<h1>Show Student Submissions on Assessment</h1>'.
                     68:  '<table border="1"><tr><th>Username</th><th>Domain</th><th>Name</th><th>&nbsp;</th></tr>'
                     69:  );
1.13      albertel   70:   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
                     71:   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
                     72:       my ($sname,$sdom) = split(/:/,$student);
                     73: 
                     74:       my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
                     75: 		     ':environment:lastname&generation&firstname&middlename',
                     76: 		      &Apache::lonnet::homeserver($sname,$sdom));
1.15      albertel   77:       #print "reply=$reply<br>";
1.13      albertel   78:       my (@nameparts) = split /&/,$reply;
                     79: #      my $sfullname = $Apache::lonnet::unescape($nameparts[0]);
                     80: 
                     81:       if ( $Apache::grades::viewgrades eq 'F' ) {
1.21      albertel   82: 	  $request->print("\n".'<tr>'."<td>$sname</td><td>$sdom</td><td>@nameparts</td><td>".
                     83: 			  '<form action="/adm/grades" method="post">');
1.16      albertel   84: 	  if ($ENV{'form.url'}) {
1.19      www        85: 	    $request->print(
                     86:     '<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');
1.16      albertel   87: 	  }
                     88: 	  if ($ENV{'form.symb'}) {
1.19      www        89: 	    $request->print(
                     90:     '<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');
1.16      albertel   91: 	  }
1.19      www        92: 	  $request->print(
                     93:     '<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />');
                     94: 	  $request->print(
                     95:              '<input type="hidden" name="student" value="'.$sname.'" />');
                     96: 	  $request->print(
                     97:              '<input type="hidden" name="domain" value="'.$sdom.'" />');
                     98: 	  $request->print(
                     99:                          '<input type="submit" name="submit" value="View" />');
1.21      albertel  100: 	  $request->print('</form></td></tr>');
1.13      albertel  101:       }
                    102:   }
1.19      www       103:   $request->print('</table>');
1.10      ng        104: }
                    105: 
1.13      albertel  106: 
1.7       albertel  107: #FIXME - needs to handle multiple matches
1.2       albertel  108: sub finduser {
1.13      albertel  109:   my ($name) = @_;
                    110:   my $domain = '';
                    111: 
                    112:   if ( $Apache::grades::viewgrades eq 'F' ) {
                    113:     #get classlist
                    114:     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
                    115:     my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
                    116:     #print "Found $cdom:$cnum:$chome<br />";
                    117:     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
                    118:     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
                    119:       my ($posname,$posdomain) = split(/:/,$student);
                    120:       if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
1.7       albertel  121:     }
1.13      albertel  122:     return ($name,$domain);
                    123:   } else {
                    124:     return ($ENV{'user.name'},$ENV{'user.domain'});
                    125:   }
1.5       albertel  126: }
                    127: 
                    128: sub getclasslist {
1.13      albertel  129:   my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;
                    130:   my $classlist=&Apache::lonnet::reply("dump:$coursedomain:$coursenum:classlist",$coursehome);
                    131:   my %classlist=();
                    132:   my $now = time;
                    133:   foreach my $record (split /&/, $classlist) {
                    134:     my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));
                    135:     my ($end,$start)=split(/:/,$value);
                    136:     # still a student?
                    137:     if (($hideexpired) && ($end) && ($end < $now)) {
1.15      albertel  138:       #print "Skipping:$name:$end:$now<br />\n";
1.13      albertel  139:       next;
                    140:     }
1.15      albertel  141:     #print "record=$record<br>";
1.13      albertel  142:     push( @{ $classlist{'allids'} }, $name); 
                    143:   }
                    144:   return (%classlist);
1.5       albertel  145: }
                    146: 
                    147: sub getpartlist {
1.13      albertel  148:   my ($url) = @_;
                    149:   my @parts =();
                    150:   my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
                    151:   foreach my $key (@metakeys) {
                    152:     if ( $key =~ m/stores_([0-9]+)_.*/ ) {
                    153:       push(@parts,$key);
1.6       albertel  154:     }
1.13      albertel  155:   }
                    156:   return @parts;
1.5       albertel  157: }
                    158: 
                    159: sub viewstudentgrade {
1.13      albertel  160:   my ($url,$symb,$courseid,$student,@parts) = @_;
                    161:   my $result ='';
                    162:   my $cellclr = '"#ffffdd"';
                    163:   my ($stuname,$domain) = split(/:/,$student);
                    164: 
                    165:   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
                    166: 
                    167:   $result.="<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=$cellclr align=\"middle\">$domain</td>\n";
                    168:   foreach my $part (@parts) {
                    169:     my ($temp,$part,$type)=split(/_/,$part);
                    170:     #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";
                    171:     if ($type eq 'awarded') {
                    172:       my $score=$record{"resource.$part.$type"};
                    173:       $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n";
                    174:     } elsif ($type eq 'tries') {
                    175:       my $score=$record{"resource.$part.$type"};
                    176:       $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n"
                    177:     } elsif ($type eq 'solved') {
                    178:       my $score=$record{"resource.$part.$type"};
                    179:       $result.="<td bgcolor=$cellclr align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
                    180:       if ($score =~ /^correct/) {
                    181: 	$result.="<option selected=\"on\">correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
                    182:       } elsif ($score =~ /^incorrect/) {
                    183: 	$result.="<option>correct</option>\n<option selected=\"on\">incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
                    184:       } elsif ($score eq '') {
                    185: 	$result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option selected=\"on\">nothing</option>\n";
                    186:       } elsif ($score =~ /^excused/) {
                    187: 	$result.="<option>correct</option>\n<option>incorrect</option>\n<option selected=\"on\">excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
                    188:       } elsif ($score =~ /^ungraded/) {
                    189: 	$result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option selected=\"on\">ungraded</option>\n<option>nothing</option>\n";
                    190:       }
                    191:       $result.="</select></td>\n";
                    192:     }
                    193:   }
                    194:   $result.='</tr>';
                    195:   return $result;
1.5       albertel  196: }
1.13      albertel  197: #FIXME need to look at the meatdata <stores> spec on what type of data to accept and provide an
1.6       albertel  198: #interface based on that, also do that to above function.
1.5       albertel  199: sub setstudentgrade {
1.13      albertel  200:   my ($url,$symb,$courseid,$student,@parts) = @_;
                    201: 
                    202:   my $result ='';
                    203: 
                    204:   my ($stuname,$domain) = split(/:/,$student);
                    205: 
                    206:   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
                    207: 
                    208:   my %newrecord;
                    209: 
                    210:   foreach my $part (@parts) {
                    211:     my ($temp,$part,$type)=split(/_/,$part);
                    212:     my $oldscore=$record{"resource.$part.$type"};
                    213:     my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
                    214:     if ($type eq 'solved') {
                    215:       my $update=0;
                    216:       if ($newscore eq 'nothing' ) {
                    217: 	if ($oldscore ne '') {
                    218: 	  $update=1;
                    219: 	  $newscore = '';
1.6       albertel  220: 	}
1.13      albertel  221:       } elsif ($oldscore !~ m/^$newscore/) {
                    222: 	$update=1;
                    223: 	$result.="Updating $stuname to $newscore<br />\n";
                    224: 	if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }
                    225: 	if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
                    226: 	if ($newscore eq 'excused') { $newscore = 'excused'; }
                    227: 	if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }
                    228:       } else {
                    229: 	#$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
                    230:       }
                    231:       if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
                    232:     } else {
                    233:       if ($oldscore ne $newscore) {
                    234: 	$newrecord{"resource.$part.$type"}=$newscore;
                    235: 	$result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";
                    236:       } else {
                    237: 	#$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
                    238:       }
                    239:     }
                    240:   }
                    241:   if ( scalar(keys(%newrecord)) > 0 ) {
                    242:     $newrecord{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
                    243:     &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
                    244: 
                    245:     $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
                    246:   }
                    247:   return $result;
1.2       albertel  248: }
                    249: 
                    250: sub submission {
1.13      albertel  251:   my ($request) = @_;
                    252:   my $url=$ENV{'form.url'};
                    253:   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                    254:   if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }
1.10      ng        255: #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }
1.13      albertel  256:   my ($uname,$udom) = &finduser($ENV{'form.student'});
                    257:   if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }
1.16      albertel  258:   my $symb;
                    259:   if ($ENV{'form.symb'}) {
                    260:     $symb=$ENV{'form.symb'};
                    261:   } else {
                    262:     $symb=&Apache::lonnet::symbread($url);
                    263:   }
1.13      albertel  264:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
                    265:   my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
                    266: 						      $ENV{'request.course.id'});
                    267:   my $result="<h2> Submission Record </h2>  $uname:$udom for $url <br />".$answer;
1.17      albertel  268:   my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
                    269: 						   $ENV{'request.course.id'});
1.22    ! albertel  270:   $result.="Student's view of the problem:<br /> $rendered <br /> Correct answer:<br />";
1.18      albertel  271: 
1.22    ! albertel  272:   $answer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
1.18      albertel  273: 						  $ENV{'request.course.id'});
                    274:   $result.=$answer;
1.13      albertel  275:   return $result;
1.2       albertel  276: }
                    277: 
1.5       albertel  278: sub viewgrades {
1.13      albertel  279:   my ($request) = @_;
                    280:   my $result='';
1.5       albertel  281: 
1.13      albertel  282:   #get resource reference
                    283:   my $url=$ENV{'form.url'};
                    284:   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                    285:   my $symb=$ENV{'form.symb'};
                    286:   if (!$symb) { $symb=&Apache::lonnet::symbread($url); }
                    287:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
                    288: 
                    289:   #get classlist
                    290:   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
                    291:   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
                    292:   #print "Found $cdom:$cnum:$chome<br />";
                    293:   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
                    294:   my $headerclr = '"#ccffff"';
                    295:   my $cellclr = '"#ffffcc"';
                    296: 
                    297:   #get list of parts for this problem
                    298:   my (@parts) = &getpartlist($url);
                    299: 
                    300:   $request->print ("<h2><font color=\"#339966\">Manual Grading</font></h2>");
                    301: 
                    302:   #start the form
                    303:   $result = '<form action="/adm/grades" method="post">'."\n".
1.16      albertel  304:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                    305:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
1.13      albertel  306: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
                    307: 	  '<input type="submit" name="submit" value="Submit Changes" />'."\n".
                    308: 	    '<table border=0><tr><td bgcolor="#999999">'."\n".
                    309: 	     '<table border=0>'."\n".
                    310: 	      '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.$headerclr.'>Domain</td>'."\n";
                    311:   foreach my $part (@parts) {
                    312:      my $display=&Apache::lonnet::metadata($url,$part.'.display');
                    313:      if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
                    314:      $result.='<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";
                    315:    }
                    316:   $result.="</tr>";
                    317:   #get info for each student
                    318:   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
                    319:     $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
                    320:   }
                    321:   $result.='</table></td></tr></table><input type="submit" name="submit" value="Submit Changes" /></form>';
1.5       albertel  322: 
1.13      albertel  323:   return $result;
1.5       albertel  324: }
                    325: 
                    326: sub editgrades {
1.13      albertel  327:   my ($request) = @_;
                    328:   my $result='';
1.5       albertel  329: 
1.13      albertel  330:   my $symb=$ENV{'form.symb'};
                    331:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
                    332:   my $url=$ENV{'form.url'};
                    333:   #get classlist
                    334:   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
                    335:   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
                    336:   #print "Found $cdom:$cnum:$chome<br />";
                    337:   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
                    338: 
                    339:   #get list of parts for this problem
                    340:   my (@parts) = &getpartlist($url);
                    341: 
                    342:   $result.='<form action="/adm/grades" method="post">'."\n".
                    343:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                    344:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
                    345: 	'<input type="hidden" name="command" value="viewgrades" />'."\n".
                    346: 	  '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
                    347: 
                    348:   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
                    349:     $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
                    350:   }
1.5       albertel  351: 
1.13      albertel  352:   $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
                    353:   return $result;
1.5       albertel  354: }
                    355: 
1.2       albertel  356: sub send_header {
1.13      albertel  357:   my ($request)= @_;
                    358:   $request->print(&Apache::lontexconvert::header());
1.6       albertel  359: #  $request->print("
                    360: #<script>
                    361: #remotewindow=open('','homeworkremote');
                    362: #remotewindow.close();
                    363: #</script>"); 
1.13      albertel  364:   $request->print('<body bgcolor="#FFFFFF">');
1.2       albertel  365: }
                    366: 
                    367: sub send_footer {
1.13      albertel  368:   my ($request)= @_;
1.2       albertel  369:   $request->print('</body>');
                    370:   $request->print(&Apache::lontexconvert::footer());
                    371: }
                    372: 
1.1       albertel  373: sub handler {
1.13      albertel  374:   my $request=$_[0];
                    375: 
                    376:   if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} else {$Apache::lonxml::debug=0;}
                    377:   
                    378:   if ($ENV{'browser.mathml'}) {
                    379:     $request->content_type('text/xml');
                    380:   } else {
                    381:     $request->content_type('text/html');
                    382:   }
                    383:   $request->send_http_header;
                    384:   return OK if $request->header_only;
1.16      albertel  385:   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
1.13      albertel  386:   my $url=$ENV{'form.url'};
                    387:   my $symb=$ENV{'form.symb'};
                    388:   my $command=$ENV{'form.command'};
1.16      albertel  389:   if (!$url) {
                    390:     my ($temp1,$temp2);
                    391:     ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
                    392:     $url = $ENV{'form.url'};
                    393:   }
1.13      albertel  394:   &send_header($request);
                    395:   if ($url eq '' && $symb eq '') {
1.14      www       396:      if ($ENV{'user.adv'}) {
                    397:          if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
                    398:              ($ENV{'form.codethree'})) {
                    399:              my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
                    400: 		        $ENV{'form.codethree'};
                    401:              my ($tsymb,$tuname,$tudom,$tcrsid)=
                    402: 		 &Apache::lonnet::checkin($token);
                    403:              if ($tsymb) {
                    404:                 my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
                    405:                 if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
                    406:                    $request->print(
                    407:                      &Apache::lonnet::ssi('/res/'.$url,
                    408:                         ('grade_username' => $tuname,
                    409:                          'grade_domain' => $tudom,
                    410:                          'grade_courseid' => $tcrsid,
                    411:                          'grade_symb' => $tsymb)));
                    412:                 } else {
                    413:                    $request->print('<h1>Not authorized: '.$token.'</h1>');
                    414:                 }           
                    415: 	    } else {
                    416:                 $request->print('<h1>Not a valid DocID: '.$token.'</h1>');
                    417:             }
                    418: 	 } else {
                    419:              $request->print(&Apache::lonxml::tokeninputfield());
                    420:          }
                    421:      }
1.13      albertel  422:   } else {
                    423:     $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
                    424:     if ($command eq 'submission') {
1.20      albertel  425:       &listStudents($request) if ($ENV{'form.student'} eq '');
1.13      albertel  426:       $request->print(&submission($request)) if ($ENV{'form.student'} ne '');
                    427:     } elsif ($command eq 'viewgrades') {
                    428:       $request->print(&viewgrades($request));
                    429:     } elsif ($command eq 'editgrades') {
                    430:       $request->print(&editgrades($request));
1.12      harris41  431:     } else {
1.13      albertel  432:       $request->print("Unknown action:$command:");
1.2       albertel  433:     }
1.13      albertel  434:   }
                    435:   &send_footer($request);
                    436:   return OK;
1.1       albertel  437: }
                    438: 
                    439: 1;
                    440: 
1.13      albertel  441: __END__;

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