Return to grades.pm CVS log

Up to [LON-CAPA] / loncom / homework

- igot rid of the 1 (in a much earlier version listStudents returned a string to be printed, in a later rewrite it started doing it's own printing, thus no need to print the result of listStudents)

    1: # The LearningOnline Network with CAPA
    2: # The LON-CAPA Grading handler
    3: #
    4: # $Id: grades.pm,v 1.20 2002/04/09 03:56:29 albertel Exp $
    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: #
   28: # 2/9,2/13 Guy Albertelli
   29: # 6/8 Gerd Kortemeyer
   30: # 7/26 H.K. Ng
   31: # 8/20 Gerd Kortemeyer
   32: 
   33: package Apache::grades;
   34: use strict;
   35: use Apache::style;
   36: use Apache::lonxml;
   37: use Apache::lonnet;
   38: use Apache::loncommon;
   39: use Apache::lonhomework;
   40: use Apache::Constants qw(:common);
   41: 
   42: sub moreinfo {
   43:   my ($request,$reason) = @_;
   44:   $request->print("Unable to process request: $reason");
   45:   if ( $Apache::grades::viewgrades eq 'F' ) {
   46:     $request->print('<form action="/adm/grades" method="post">'."\n");
   47:     if ($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");
   57:     $request->print('</form>');
   58:   }
   59:   return '';
   60: }
   61: 
   62: 
   63: sub listStudents {
   64:   my ($request) = shift;
   65:   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
   66:   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
   67:   $request->print ('<h1>Show Student Submissions on Assessment</h1>'.
   68:  '<table border="1"><tr><th>Username</th><th>Domain</th><th>Name</th><th>&nbsp;</th></tr>'
   69:  );
   70:   my (%classlist) = &getclasslist($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,$sdom));
   77:       #print "reply=$reply<br>";
   78:       my (@nameparts) = split /&/,$reply;
   79: #      my $sfullname = $Apache::lonnet::unescape($nameparts[0]);
   80: 
   81:       if ( $Apache::grades::viewgrades eq 'F' ) {
   82: 	  $request->print(
   83:  "\n".'<tr><form action="/adm/grades" method="post">'.
   84:  "<td>$sname</td><td>$sdom</td><td>@nameparts</td><td>");
   85: 	  if ($ENV{'form.url'}) {
   86: 	    $request->print(
   87:     '<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');
   88: 	  }
   89: 	  if ($ENV{'form.symb'}) {
   90: 	    $request->print(
   91:     '<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');
   92: 	  }
   93: 	  $request->print(
   94:     '<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />');
   95: 	  $request->print(
   96:              '<input type="hidden" name="student" value="'.$sname.'" />');
   97: 	  $request->print(
   98:              '<input type="hidden" name="domain" value="'.$sdom.'" />');
   99: 	  $request->print(
  100:                          '<input type="submit" name="submit" value="View" />');
  101: 	  $request->print('</td></form></tr>');
  102:       }
  103:   }
  104:   $request->print('</table>');
  105: }
  106: 
  107: 
  108: #FIXME - needs to handle multiple matches
  109: sub finduser {
  110:   my ($name) = @_;
  111:   my $domain = '';
  112: 
  113:   if ( $Apache::grades::viewgrades eq 'F' ) {
  114:     #get classlist
  115:     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
  116:     my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
  117:     #print "Found $cdom:$cnum:$chome<br />";
  118:     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
  119:     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
  120:       my ($posname,$posdomain) = split(/:/,$student);
  121:       if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
  122:     }
  123:     return ($name,$domain);
  124:   } else {
  125:     return ($ENV{'user.name'},$ENV{'user.domain'});
  126:   }
  127: }
  128: 
  129: sub getclasslist {
  130:   my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;
  131:   my $classlist=&Apache::lonnet::reply("dump:$coursedomain:$coursenum:classlist",$coursehome);
  132:   my %classlist=();
  133:   my $now = time;
  134:   foreach my $record (split /&/, $classlist) {
  135:     my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));
  136:     my ($end,$start)=split(/:/,$value);
  137:     # still a student?
  138:     if (($hideexpired) && ($end) && ($end < $now)) {
  139:       #print "Skipping:$name:$end:$now<br />\n";
  140:       next;
  141:     }
  142:     #print "record=$record<br>";
  143:     push( @{ $classlist{'allids'} }, $name); 
  144:   }
  145:   return (%classlist);
  146: }
  147: 
  148: sub getpartlist {
  149:   my ($url) = @_;
  150:   my @parts =();
  151:   my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
  152:   foreach my $key (@metakeys) {
  153:     if ( $key =~ m/stores_([0-9]+)_.*/ ) {
  154:       push(@parts,$key);
  155:     }
  156:   }
  157:   return @parts;
  158: }
  159: 
  160: sub viewstudentgrade {
  161:   my ($url,$symb,$courseid,$student,@parts) = @_;
  162:   my $result ='';
  163:   my $cellclr = '"#ffffdd"';
  164:   my ($stuname,$domain) = split(/:/,$student);
  165: 
  166:   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
  167: 
  168:   $result.="<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=$cellclr align=\"middle\">$domain</td>\n";
  169:   foreach my $part (@parts) {
  170:     my ($temp,$part,$type)=split(/_/,$part);
  171:     #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";
  172:     if ($type eq 'awarded') {
  173:       my $score=$record{"resource.$part.$type"};
  174:       $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n";
  175:     } elsif ($type eq 'tries') {
  176:       my $score=$record{"resource.$part.$type"};
  177:       $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n"
  178:     } elsif ($type eq 'solved') {
  179:       my $score=$record{"resource.$part.$type"};
  180:       $result.="<td bgcolor=$cellclr align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
  181:       if ($score =~ /^correct/) {
  182: 	$result.="<option selected=\"on\">correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
  183:       } elsif ($score =~ /^incorrect/) {
  184: 	$result.="<option>correct</option>\n<option selected=\"on\">incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
  185:       } elsif ($score eq '') {
  186: 	$result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option selected=\"on\">nothing</option>\n";
  187:       } elsif ($score =~ /^excused/) {
  188: 	$result.="<option>correct</option>\n<option>incorrect</option>\n<option selected=\"on\">excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
  189:       } elsif ($score =~ /^ungraded/) {
  190: 	$result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option selected=\"on\">ungraded</option>\n<option>nothing</option>\n";
  191:       }
  192:       $result.="</select></td>\n";
  193:     }
  194:   }
  195:   $result.='</tr>';
  196:   return $result;
  197: }
  198: #FIXME need to look at the meatdata <stores> spec on what type of data to accept and provide an
  199: #interface based on that, also do that to above function.
  200: sub setstudentgrade {
  201:   my ($url,$symb,$courseid,$student,@parts) = @_;
  202: 
  203:   my $result ='';
  204: 
  205:   my ($stuname,$domain) = split(/:/,$student);
  206: 
  207:   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
  208: 
  209:   my %newrecord;
  210: 
  211:   foreach my $part (@parts) {
  212:     my ($temp,$part,$type)=split(/_/,$part);
  213:     my $oldscore=$record{"resource.$part.$type"};
  214:     my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
  215:     if ($type eq 'solved') {
  216:       my $update=0;
  217:       if ($newscore eq 'nothing' ) {
  218: 	if ($oldscore ne '') {
  219: 	  $update=1;
  220: 	  $newscore = '';
  221: 	}
  222:       } elsif ($oldscore !~ m/^$newscore/) {
  223: 	$update=1;
  224: 	$result.="Updating $stuname to $newscore<br />\n";
  225: 	if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }
  226: 	if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
  227: 	if ($newscore eq 'excused') { $newscore = 'excused'; }
  228: 	if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }
  229:       } else {
  230: 	#$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
  231:       }
  232:       if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
  233:     } else {
  234:       if ($oldscore ne $newscore) {
  235: 	$newrecord{"resource.$part.$type"}=$newscore;
  236: 	$result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";
  237:       } else {
  238: 	#$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
  239:       }
  240:     }
  241:   }
  242:   if ( scalar(keys(%newrecord)) > 0 ) {
  243:     $newrecord{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
  244:     &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
  245: 
  246:     $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
  247:   }
  248:   return $result;
  249: }
  250: 
  251: sub submission {
  252:   my ($request) = @_;
  253:   my $url=$ENV{'form.url'};
  254:   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
  255:   if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }
  256: #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }
  257:   my ($uname,$udom) = &finduser($ENV{'form.student'});
  258:   if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }
  259:   my $symb;
  260:   if ($ENV{'form.symb'}) {
  261:     $symb=$ENV{'form.symb'};
  262:   } else {
  263:     $symb=&Apache::lonnet::symbread($url);
  264:   }
  265:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
  266:   my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
  267: 						      $ENV{'request.course.id'});
  268:   my $result="<h2> Submission Record </h2>  $uname:$udom for $url <br />".$answer;
  269:   my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
  270: 						   $ENV{'request.course.id'});
  271:   $result.="Student's view of the problem:<br /> $rendered <br /> Correct answer:";
  272: 
  273:   my $answer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
  274: 						  $ENV{'request.course.id'});
  275:   $result.=$answer;
  276:   return $result;
  277: }
  278: 
  279: sub viewgrades {
  280:   my ($request) = @_;
  281:   my $result='';
  282: 
  283:   #get resource reference
  284:   my $url=$ENV{'form.url'};
  285:   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
  286:   my $symb=$ENV{'form.symb'};
  287:   if (!$symb) { $symb=&Apache::lonnet::symbread($url); }
  288:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
  289: 
  290:   #get classlist
  291:   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
  292:   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
  293:   #print "Found $cdom:$cnum:$chome<br />";
  294:   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
  295:   my $headerclr = '"#ccffff"';
  296:   my $cellclr = '"#ffffcc"';
  297: 
  298:   #get list of parts for this problem
  299:   my (@parts) = &getpartlist($url);
  300: 
  301:   $request->print ("<h2><font color=\"#339966\">Manual Grading</font></h2>");
  302: 
  303:   #start the form
  304:   $result = '<form action="/adm/grades" method="post">'."\n".
  305:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
  306:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
  307: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
  308: 	  '<input type="submit" name="submit" value="Submit Changes" />'."\n".
  309: 	    '<table border=0><tr><td bgcolor="#999999">'."\n".
  310: 	     '<table border=0>'."\n".
  311: 	      '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.$headerclr.'>Domain</td>'."\n";
  312:   foreach my $part (@parts) {
  313:      my $display=&Apache::lonnet::metadata($url,$part.'.display');
  314:      if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
  315:      $result.='<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";
  316:    }
  317:   $result.="</tr>";
  318:   #get info for each student
  319:   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
  320:     $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
  321:   }
  322:   $result.='</table></td></tr></table><input type="submit" name="submit" value="Submit Changes" /></form>';
  323: 
  324:   return $result;
  325: }
  326: 
  327: sub editgrades {
  328:   my ($request) = @_;
  329:   my $result='';
  330: 
  331:   my $symb=$ENV{'form.symb'};
  332:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
  333:   my $url=$ENV{'form.url'};
  334:   #get classlist
  335:   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
  336:   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
  337:   #print "Found $cdom:$cnum:$chome<br />";
  338:   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
  339: 
  340:   #get list of parts for this problem
  341:   my (@parts) = &getpartlist($url);
  342: 
  343:   $result.='<form action="/adm/grades" method="post">'."\n".
  344:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
  345:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
  346: 	'<input type="hidden" name="command" value="viewgrades" />'."\n".
  347: 	  '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
  348: 
  349:   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
  350:     $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
  351:   }
  352: 
  353:   $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
  354:   return $result;
  355: }
  356: 
  357: sub send_header {
  358:   my ($request)= @_;
  359:   $request->print(&Apache::lontexconvert::header());
  360: #  $request->print("
  361: #<script>
  362: #remotewindow=open('','homeworkremote');
  363: #remotewindow.close();
  364: #</script>"); 
  365:   $request->print('<body bgcolor="#FFFFFF">');
  366: }
  367: 
  368: sub send_footer {
  369:   my ($request)= @_;
  370:   $request->print('</body>');
  371:   $request->print(&Apache::lontexconvert::footer());
  372: }
  373: 
  374: sub handler {
  375:   my $request=$_[0];
  376: 
  377:   if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} else {$Apache::lonxml::debug=0;}
  378:   
  379:   if ($ENV{'browser.mathml'}) {
  380:     $request->content_type('text/xml');
  381:   } else {
  382:     $request->content_type('text/html');
  383:   }
  384:   $request->send_http_header;
  385:   return OK if $request->header_only;
  386:   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
  387:   my $url=$ENV{'form.url'};
  388:   my $symb=$ENV{'form.symb'};
  389:   my $command=$ENV{'form.command'};
  390:   if (!$url) {
  391:     my ($temp1,$temp2);
  392:     ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
  393:     $url = $ENV{'form.url'};
  394:   }
  395:   &send_header($request);
  396:   if ($url eq '' && $symb eq '') {
  397:      if ($ENV{'user.adv'}) {
  398:          if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
  399:              ($ENV{'form.codethree'})) {
  400:              my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
  401: 		        $ENV{'form.codethree'};
  402:              my ($tsymb,$tuname,$tudom,$tcrsid)=
  403: 		 &Apache::lonnet::checkin($token);
  404:              if ($tsymb) {
  405:                 my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
  406:                 if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
  407:                    $request->print(
  408:                      &Apache::lonnet::ssi('/res/'.$url,
  409:                         ('grade_username' => $tuname,
  410:                          'grade_domain' => $tudom,
  411:                          'grade_courseid' => $tcrsid,
  412:                          'grade_symb' => $tsymb)));
  413:                 } else {
  414:                    $request->print('<h1>Not authorized: '.$token.'</h1>');
  415:                 }           
  416: 	    } else {
  417:                 $request->print('<h1>Not a valid DocID: '.$token.'</h1>');
  418:             }
  419: 	 } else {
  420:              $request->print(&Apache::lonxml::tokeninputfield());
  421:          }
  422:      }
  423:   } else {
  424:     $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
  425:     if ($command eq 'submission') {
  426:       &listStudents($request) if ($ENV{'form.student'} eq '');
  427:       $request->print(&submission($request)) if ($ENV{'form.student'} ne '');
  428:     } elsif ($command eq 'viewgrades') {
  429:       $request->print(&viewgrades($request));
  430:     } elsif ($command eq 'editgrades') {
  431:       $request->print(&editgrades($request));
  432:     } else {
  433:       $request->print("Unknown action:$command:");
  434:     }
  435:   }
  436:   &send_footer($request);
  437:   return OK;
  438: }
  439: 
  440: 1;
  441: 
  442: __END__;