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Diff for /loncom/homework/grades.pm between versions 1.566 and 1.567

version 1.566, 2009/05/01 14:16:13 version 1.567, 2009/05/04 22:41:37
Line 7787  sub scantron_upload_scantron_data_save { Line 7787  sub scantron_upload_scantron_data_save {
  return '';   return '';
     }      }
     my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});      my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});
     $r->print(&mt("Doing upload to [_1]",$coursedata{'description'})." <br />");      $r->print('<h3>'.&mt("Uploading file to [_1]",$coursedata{'description'}).'</h3>');
     my $fname=$env{'form.upfile.filename'};      my $fname=$env{'form.upfile.filename'};
     #FIXME      #FIXME
     #copied from lonnet::userfileupload()      #copied from lonnet::userfileupload()
Line 7809  sub scantron_upload_scantron_data_save { Line 7809  sub scantron_upload_scantron_data_save {
     } else {      } else {
  my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);   my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);
  if ($result =~ m|^/uploaded/|) {   if ($result =~ m|^/uploaded/|) {
     $r->print(&mt("<span class=\"LC_success\">Success:</span> Successfully uploaded [_1] bytes of data into location [_2]",      $r->print(&mt('[_1]Success:[_2] Successfully uploaded [_3] bytes of data into location: [_4]',
   (length($env{'form.upfile'})-1),                            '<span class="LC_success">','</span>',(length($env{'form.upfile'})-1),
   '<span class="LC_filename">'.$result."</span>"));    '<span class="LC_filename">'.$result.'</span>'));
               $r->print(&validate_uploaded_scantron_file($env{'form.domainid'},
                                                          $env{'form.courseid'},$fname));
  } else {   } else {
     $r->print(&mt("<span class=\"LC_error\">Error:</span> An error ([_1]) occurred when attempting to upload the file, [_2]",      $r->print(&mt('[_1]Error:[_2] An error ([_3]) occurred when attempting to upload the file, [_4]',
   $result,                            '<span class="LC_error">','</span>',$result,
   '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</span>"));    '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</span>"));
   
  }   }
     }      }
     if ($symb) {      if ($symb) {
Line 7827  sub scantron_upload_scantron_data_save { Line 7828  sub scantron_upload_scantron_data_save {
     return '';      return '';
 }  }
   
   sub validate_uploaded_scantron_file {
       my ($cdom,$cname,$fname) = @_;
       my $scanlines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.$fname);
       my @lines;
       if ($scanlines ne '-1') {
           @lines=split("\n",$scanlines,-1);
       }
       my $output;
       if (@lines) {
           my (%counts,$max_match_format);
           my ($max_match_count,$max_match_pct) = (0,0);
           my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cname);
           my %idmap = &username_to_idmap($classlist);
           foreach my $key (keys(%idmap)) {
               my $lckey = lc($key);
               $idmap{$lckey} = $idmap{$key};
           }
           my %unique_formats;
           my @formatlines = &get_scantronformat_file();
           foreach my $line (@formatlines) {
               chomp($line);
               my @config = split(/:/,$line);
               my $idstart = $config[5];
               my $idlength = $config[6];
               if (($idstart ne '') && ($idlength > 0)) {
                   if (ref($unique_formats{$idstart.':'.$idlength}) eq 'ARRAY') {
                       push(@{$unique_formats{$idstart.':'.$idlength}},$config[0].':'.$config[1]); 
                   } else {
                       $unique_formats{$idstart.':'.$idlength} = [$config[0].':'.$config[1]];
                   }
               }
           }
           foreach my $key (keys(%unique_formats)) {
               my ($idstart,$idlength) = split(':',$key);
               %{$counts{$key}} = (
                                  'found'   => 0,
                                  'total'   => 0,
                                 );
               foreach my $line (@lines) {
                   next if ($line =~ /^#/);
                   next if ($line =~ /^[\s\cz]*$/);
                   my $id = substr($line,$idstart-1,$idlength);
                   $id = lc($id);
                   if (exists($idmap{$id})) {
                       $counts{$key}{'found'} ++;
                   }
                   $counts{$key}{'total'} ++;
               }
               if ($counts{$key}{'total'}) {
                   my $percent_match = (100*$counts{$key}{'found'})/($counts{$key}{'total'});
                   if (($max_match_format eq '') || ($percent_match > $max_match_pct)) {
                       $max_match_pct = $percent_match;
                       $max_match_format = $key;
                       $max_match_count = $counts{$key}{'total'};
                   }
               }
           }
           if (ref($unique_formats{$max_match_format}) eq 'ARRAY') {
               my $format_descs;
               my $numwithformat = @{$unique_formats{$max_match_format}};
               for (my $i=0; $i<$numwithformat; $i++) {
                   my ($name,$desc) = split(':',$unique_formats{$max_match_format}[$i]);
                   if ($i<$numwithformat-2) {
                       $format_descs .= '"<i>'.$desc.'</i>", ';
                   } elsif ($i==$numwithformat-2) {
                       $format_descs .= '"<i>'.$desc.'</i>" '.&mt('and').' ';
                   } elsif ($i==$numwithformat-1) {
                       $format_descs .= '"<i>'.$desc.'</i>"';
                   }
               }
               my $showpct = sprintf("%.0f",$max_match_pct).'%';
               $output .= '<br />'.&mt('Comparison of student IDs in the uploaded file with the course roster found matches for [_1] of the [_2] entries in the file (for the format defined for [_3]).','<b>'.$showpct.'</b>','<b>'.$max_match_count.'</b>',$format_descs).
                          '<br />'.&mt('A low percentage of matches results from one of the following:').'<ul>'.
                          '<li>'.&mt('The file was uploaded to the wrong course').'</li>'.
                          '<li>'.&mt('The data are not in the format expected for the domain: [_1]',
                                     '<i>'.$cdom.'</i>').'</li>'.
                          '<li>'.&mt('Students did not bubble their IDs, or mis-bubbled them').'</li>'.
                          '<li>'.&mt('The course roster is not up to date').'</li>'.
                          '</ul>';
           }
       } else {
           $output = '<span class="LC_warning">'.&mt('Uploaded file contained no data').'</span>';
       }
       return $output;
   }
   
 sub valid_file {  sub valid_file {
     my ($requested_file)=@_;      my ($requested_file)=@_;
     foreach my $filename (sort(&scantron_filenames())) {      foreach my $filename (sort(&scantron_filenames())) {
Removed from v.1.566  
changed lines
  Added in v.1.567

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