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Diff for /loncom/homework/grades.pm between versions 1.3 and 1.27

version 1.3, 2001/02/13 18:41:00 version 1.27, 2002/05/24 21:45:22
Line 1 Line 1
   # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler  # The LON-CAPA Grading handler
 # 2/9 Guy Albertelli  #
   # $Id$
   #
   # 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
   # 6/8 Gerd Kortemeyer
   # 7/26 H.K. Ng
   # 8/20 Gerd Kortemeyer
   
 package Apache::grades;  package Apache::grades;
 use strict;  use strict;
Line 13  use Apache::Constants qw(:common); Line 42  use Apache::Constants qw(:common);
 sub moreinfo {  sub moreinfo {
   my ($request,$reason) = @_;    my ($request,$reason) = @_;
   $request->print("Unable to process request: $reason");    $request->print("Unable to process request: $reason");
   $request->print('<form action="/adm/grades" method="post">'."\n");    if ( $Apache::grades::viewgrades eq 'F' ) {
   $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'"></input>'."\n");      $request->print('<form action="/adm/grades" method="post">'."\n");
   $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'"></input>'."\n");      if ($ENV{'form.url'}) {
   $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'"></input>'."<br />\n");        $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
   $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'"></input>'."<br />\n");      }
   $request->print('<input type="submit" name="submit" value="ReSubmit"></input>'."<br />\n");      if ($ENV{'form.symb'}) {
   $request->print('</form>');        $request->print('<input type="hidden" name="symb" value="'.$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>');
     }
     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 {
     my ($request) = shift;
     my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};
     my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};
     my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});
     $request->print(<<ENDHEADER);
   <h1>Verify a Submission Receipt Issued by this Server</h1>
   <form action="/adm/grades" method="post">
   <tt>$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(@{ $classlist{'allids'} }) ) {
         my ($sname,$sdom) = split(/:/,$student);
   
         my %name=&Apache::lonnet::get('environment', ['lastname','generation',
       'firstname','middlename'],
       $sdom,$sname);
         my $fullname;
         my ($tmp) = keys(%name);
         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' ) {
     $request->print("\n".'<tr>'."<td>$sname</td><td>$sdom</td><td>$fullname</td><td>".
     '<form action="/adm/grades" method="post">');
     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'}.'" />');
     }
     $request->print(
       '<input type="hidden" name="command" value="'.$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>');
 }  }
   
   
 #FIXME - needs to be much smarter  #FIXME - needs to handle multiple matches
 sub finduser {  sub finduser {
   my ($name) = @_;    my ($name) = @_;
   return ($name,$ENV{'user.domain'});    my $domain = '';
   
     if ( $Apache::grades::viewgrades eq 'F' ) {
       #get classlist
       my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
       #print "Found $cdom:$cnum<br />";
       my (%classlist) = &getclasslist($cdom,$cnum,'0');
       foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
         my ($posname,$posdomain) = split(/:/,$student);
         if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
       }
       return ($name,$domain);
     } else {
       return ($ENV{'user.name'},$ENV{'user.domain'});
     }
   }
   
   sub getclasslist {
     my ($coursedomain,$coursenum,$hideexpired) = @_;
     my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
     my $now = time;
     foreach my $student (keys(%classlist)) {
       my ($end,$start)=split(/:/,$classlist{$student});
       # still a student?
       if (($hideexpired) && ($end) && ($end < $now)) {
         #print "Skipping:$name:$end:$now<br />\n";
         next;
       }
       #print "record=$record<br>";
       push( @{ $classlist{'allids'} }, $student);
     }
     return (%classlist);
   }
   
   sub getpartlist {
     my ($url) = @_;
     my @parts =();
     my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
     foreach my $key (@metakeys) {
       if ( $key =~ m/stores_([0-9]+)_.*/ ) {
         push(@parts,$key);
       }
     }
     return @parts;
   }
   
   sub viewstudentgrade {
     my ($url,$symb,$courseid,$student,@parts) = @_;
     my $result ='';
     my $cellclr = '"#ffffdd"';
     my ($stuname,$domain) = split(/:/,$student);
   
     my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
   
     $result.="<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=$cellclr align=\"middle\">$domain</td>\n";
     foreach my $part (@parts) {
       my ($temp,$part,$type)=split(/_/,$part);
       #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";
       if ($type eq 'awarded') {
         my $score=$record{"resource.$part.$type"};
         $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n";
       } elsif ($type eq 'tries') {
         my $score=$record{"resource.$part.$type"};
         $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n"
       } elsif ($type eq 'solved') {
         my $score=$record{"resource.$part.$type"};
         $result.="<td bgcolor=$cellclr align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
         if ($score =~ /^correct/) {
    $result.="<option selected=\"on\">correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
         } elsif ($score =~ /^incorrect/) {
    $result.="<option>correct</option>\n<option selected=\"on\">incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
         } elsif ($score eq '') {
    $result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option selected=\"on\">nothing</option>\n";
         } elsif ($score =~ /^excused/) {
    $result.="<option>correct</option>\n<option>incorrect</option>\n<option selected=\"on\">excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
         } elsif ($score =~ /^ungraded/) {
    $result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option selected=\"on\">ungraded</option>\n<option>nothing</option>\n";
         }
         $result.="</select></td>\n";
       }
     }
     $result.='</tr>';
     return $result;
   }
   #FIXME need to look at the meatdata <stores> spec on what type of data to accept and provide an
   #interface based on that, also do that to above function.
   sub setstudentgrade {
     my ($url,$symb,$courseid,$student,@parts) = @_;
   
     my $result ='';
   
     my ($stuname,$domain) = split(/:/,$student);
   
     my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
   
     my %newrecord;
   
     foreach my $part (@parts) {
       my ($temp,$part,$type)=split(/_/,$part);
       my $oldscore=$record{"resource.$part.$type"};
       my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
       if ($type eq 'solved') {
         my $update=0;
         if ($newscore eq 'nothing' ) {
    if ($oldscore ne '') {
     $update=1;
     $newscore = '';
    }
         } elsif ($oldscore !~ m/^$newscore/) {
    $update=1;
    $result.="Updating $stuname to $newscore<br />\n";
    if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }
    if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
    if ($newscore eq 'excused') { $newscore = 'excused'; }
    if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }
         } else {
    #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
         }
         if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
       } else {
         if ($oldscore ne $newscore) {
    $newrecord{"resource.$part.$type"}=$newscore;
    $result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";
         } else {
    #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
         }
       }
     }
     if ( scalar(keys(%newrecord)) > 0 ) {
       $newrecord{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
       &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
   
       $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
     }
     return $result;
 }  }
   
 sub submission {  sub submission {
Line 34  sub submission { Line 299  sub submission {
   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'}|$ENV{'HTTP_HOST'})--;
   if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }    if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }
   #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }
   my ($uname,$udom) = &finduser($ENV{'form.student'});    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 $home=&Apache::lonnet::homeserver($uname,$udom);    my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
   my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,$home,  
       $ENV{'request.course.id'});        $ENV{'request.course.id'});
   my $result="<h2> Submission Record </h2>  $uname:$udom for $url".$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 get_symb_and_url {
    my ($request) = @_;
     my $url=$ENV{'form.url'};
     $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=$ENV{'form.symb'};
     if (!$symb) { $symb=&Apache::lonnet::symbread($url); }
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
    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
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     #print "Found $cdom:$cnum<br />";
     my (%classlist) = &getclasslist($cdom,$cnum,'0');
     my $headerclr = '"#ccffff"';
     my $cellclr = '"#ffffcc"';
   
     #get list of parts for this problem
     my (@parts) = &getpartlist($url);
   
     $request->print ("<h2><font color=\"#339966\">Manual Grading</font></h2>");
   
     #start the form
     $result = '<form action="/adm/grades" method="post">'."\n".
       '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="command" value="editgrades" />'."\n".
     '<input type="submit" name="submit" value="Submit Changes" />'."\n".
       '<table border=0><tr><td bgcolor="#999999">'."\n".
        '<table border=0>'."\n".
         '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.$headerclr.'>Domain</td>'."\n";
     foreach my $part (sort(@parts)) {
        my $display=&Apache::lonnet::metadata($url,$part.'.display');
        if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
        $result.='<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";
      }
     $result.="</tr>";
     #get info for each student
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
       $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
     }
     $result.='</table></td></tr></table><input type="submit" name="submit" value="Submit Changes" /></form>';
   
     return $result;
   }
   
   sub editgrades {
     my ($request) = @_;
     my $result='';
   
     my $symb=$ENV{'form.symb'};
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
     my $url=$ENV{'form.url'};
     #get classlist
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     #print "Found $cdom:$cnum<br />";
     my (%classlist) = &getclasslist($cdom,$cnum,'0');
   
     #get list of parts for this problem
     my (@parts) = &getpartlist($url);
   
     $result.='<form action="/adm/grades" method="post">'."\n".
       '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="command" value="viewgrades" />'."\n".
     '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
   
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
       $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
     }
   
     $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
     return $result;
   }
   
   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 csvupload_javascript_reverse_associate {
     return(<<ENDPICK);
     function verify(vf) {
       var foundsomething=0;
       var founduname=0;
       var founddomain=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (i==0 && tw!=0) { founduname=1; }
         if (i==1 && tw!=0) { founddomain=1; }
         if (i!=0 && i!=1 && tw!=0) { foundsomething=1; }
       }
       if (founduname==0 || founddomain==0) {
         alert('You need to specify at both the username and domain');
         return;
       }
       if (foundsomething==0) {
         alert('You need to specify at least one grading field');
         return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
       var nw=eval('vf.f'+tf+'.selectedIndex');
       var i;
       for (i=0;i<=vf.nfields.value;i++) {
         //can not pick the same destination field for both name and domain
         if (((i ==0)||(i ==1)) && 
             ((tf==0)||(tf==1)) && 
             (i!=tf) &&
             (eval('vf.f'+i+'.selectedIndex')==nw)) {
           eval('vf.f'+i+'.selectedIndex=0;')
         }
       }
     }
   ENDPICK
   }
   
   sub csvupload_javascript_forward_associate {
     return(<<ENDPICK);
     function verify(vf) {
       var foundsomething=0;
       var founduname=0;
       var founddomain=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (tw==1) { founduname=1; }
         if (tw==2) { founddomain=1; }
         if (tw>2) { foundsomething=1; }
       }
       if (founduname==0 || founddomain==0) {
         alert('You need to specify at both the username and domain');
         return;
       }
       if (foundsomething==0) {
         alert('You need to specify at least one grading field');
         return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
       var nw=eval('vf.f'+tf+'.selectedIndex');
       var i;
       //can not pick the same destination field twice
       for (i=0;i<=vf.nfields.value;i++) {
         if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
           eval('vf.f'+i+'.selectedIndex=0;')
         }
       }
     }
   ENDPICK
   }
   
   sub csvuploadmap_header {
     my ($request,$symb,$url,$datatoken,$distotal)= @_;
     my $result;
     my $javascript;
     if ($ENV{'form.upfile_associate'} eq 'reverse') {
       $javascript=&csvupload_javascript_reverse_associate();
     } else {
       $javascript=&csvupload_javascript_forward_associate();
     }
     $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
   </script>
   ENDPICK
     return '';
   
   }
   
   sub csvupload_fields {
     my ($url) = @_;
     my (@parts) = &getpartlist($url);
     my @fields=(['username','Student Username'],['domain','Student Domain']);
     foreach my $part (sort(@parts)) {
       my @datum;
       my $display=&Apache::lonnet::metadata($url,$part.'.display');
       my $name=$part;
       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 csvuploadassign {
     my ($request)= @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     &Apache::loncommon::load_tmp_file($request);
     my @gradedata=&Apache::loncommon::upfile_record_sep();
     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
     my %fields=();
     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
       if ($ENV{'form.upfile_associate'} eq 'reverse') {
         if ($ENV{'form.f'.$i} ne 'none') {
    $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
         }
       } else {
         if ($ENV{'form.f'.$i} ne 'none') {
    $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
         }
       }
     }
     $request->print('<h3>Assigning Grades</h3>');
     &Apache::lonhomework::showhash(('1'=>\@keyfields));
     &Apache::lonhomework::showhash(%fields);
     my $courseid=$ENV{'request.course.id'};
     my $cdom=$ENV{"course.$courseid.domain"};
     my $cnum=$ENV{"course.$courseid.num"};
     my (%classlist) = &getclasslist($cdom,$cnum,'1');
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
       my %newhash;
       foreach my $grade (@gradedata) {
         my %entries=&Apache::loncommon::record_sep($grade);
         foreach my $dest (keys(%fields)) {
   
         }
       }
     }
   }
   
 sub send_header {  sub send_header {
   my ($request)= @_;    my ($request)= @_;
   $request->print(&Apache::lontexconvert::header());    $request->print(&Apache::lontexconvert::header());
   #  $request->print("
   #<script>
   #remotewindow=open('','homeworkremote');
   #remotewindow.close();
   #</script>"); 
   $request->print('<body bgcolor="#FFFFFF">');    $request->print('<body bgcolor="#FFFFFF">');
 }  }
   
Line 69  sub handler { Line 686  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 $command=$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 '') {    if ($url eq '' && $symb eq '') {
     $request->print("Non-Contextual Access Unsupported:$command:$url:");       if ($ENV{'user.adv'}) {
            if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
                ($ENV{'form.codethree'})) {
                my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
           $ENV{'form.codethree'};
                my ($tsymb,$tuname,$tudom,$tcrsid)=
    &Apache::lonnet::checkin($token);
                if ($tsymb) {
                   my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
                   if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
                      $request->print(
                        &Apache::lonnet::ssi('/res/'.$url,
                           ('grade_username' => $tuname,
                            'grade_domain' => $tudom,
                            'grade_courseid' => $tcrsid,
                            'grade_symb' => $tsymb)));
                   } else {
                      $request->print('<h1>Not authorized: '.$token.'</h1>');
                   }           
       } else {
                   $request->print('<h1>Not a valid DocID: '.$token.'</h1>');
               }
    } else {
                $request->print(&Apache::lonxml::tokeninputfield());
            }
        }
   } else {    } else {
     $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$url);      &Apache::lonhomework::showhashsubset(\%ENV,'^form');
       $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
     if ($command eq 'submission') {      if ($command eq 'submission') {
       $request->print(&submission($request));        &listStudents($request) if ($ENV{'form.student'} eq '');
         $request->print(&submission($request)) if ($ENV{'form.student'} ne '');
       } elsif ($command eq 'gradingmenu') {
         $request->print(&gradingmenu($request));
       } elsif ($command eq 'viewgrades') {
         $request->print(&viewgrades($request));
       } elsif ($command eq 'editgrades') {
         $request->print(&editgrades($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.1.3  
changed lines
  Added in v.1.27

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