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Diff for /loncom/interface/lonmeta.pm between versions 1.3 and 1.16

version 1.3, 2000/11/27 20:44:53 version 1.16, 2002/08/09 19:49:30
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 #  
 # Metadata display handler  # Metadata display 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/
   #
 # (TeX Content Handler  # (TeX Content Handler
 #  #
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)  # 05/29/00,05/30,10/11 Gerd Kortemeyer)
 #  #
 # 10/19,10/21,10/23,11/27 Gerd Kortemeyer  # 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24,12/25 Gerd Kortemeyer
   
 package Apache::lonmeta;  package Apache::lonmeta;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::lonnet();  use Apache::lonnet();
   use Apache::loncommon();
   
   # ----------------------------------------- Fetch and evaluate dynamic metadata
   
   sub dynamicmeta {
       my $url=&Apache::lonnet::declutter(shift);
       $url=~s/\.meta$//;
       my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
       my $regexp=&Apache::lonnet::escape($url);
       $regexp=~s/(\W)/\\$1/g;
       $regexp='___'.$regexp.'___';
       my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
          $aauthor,$regexp);
       my %sum;
       my %cnt;
       my %listitems=('count'        => 'add',
                      'course'       => 'add',
                      'avetries'     => 'avg',
                      'stdno'        => 'add',
                      'difficulty'   => 'avg',
                      'clear'        => 'avg',
                      'technical'    => 'avg',
                      'helpful'      => 'avg',
                      'correct'      => 'avg',
                      'depth'        => 'avg',
                      'comments'     => 'app',
                      'usage'        => 'cnt'
                      );
       foreach (keys %evaldata) {
    $_=~/___(\w+)$/;
           if (defined($cnt{$1})) { $cnt{$1}++; } else { $cnt{$1}=1; }
           unless ($listitems{$1} eq 'app') {
               if (defined($sum{$1})) {
                  $sum{$1}+=$evaldata{$_};
       } else {
                  $sum{$1}=$evaldata{$_};
       }
           } else {
               if (defined($sum{$1})) {
                  if ($evaldata{$_}) {
                     $sum{$1}.='<hr>'.$evaldata{$_};
          }
        } else {
          $sum{$1}=''.$evaldata{$_};
       }
    }
       }
       my %returnhash=();
       foreach (keys %cnt) {
          if ($listitems{$_} eq 'avg') {
      $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
          } elsif ($listitems{$_} eq 'cnt') {
              $returnhash{$_}=$cnt{$_};
          } else {
              $returnhash{$_}=$sum{$_};
          }
       }
       return %returnhash;
   }
   
   # -------------------------------------------------------------- Pretty display
   
   sub evalgraph {
       my $value=shift;
       unless ($value) { return ''; }
       my $val=int($value*10.+0.5)-10;
       my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
       if ($val>=20) {
    $output.='<td width=20 bgcolor="#555555">&nbsp&nbsp;</td>';
       } else {
           $output.='<td width='.($val).' bgcolor="#555555">&nbsp;</td>'.
                    '<td width='.(20-$val).' bgcolor="#FF3333">&nbsp;</td>';
       }
       $output.='<td bgcolor="#FFFF33">&nbsp;</td>';
       if ($val>20) {
    $output.='<td width='.($val-20).' bgcolor="#33FF33">&nbsp;</td>'.
                    '<td width='.(40-$val).' bgcolor="#555555">&nbsp;</td>';
       } else {
          $output.='<td width=20 bgcolor="#555555">&nbsp&nbsp;</td>';
       }
       $output.='<td> ('.$value.') </td></tr></table>';
       return $output;
   }
   
   sub diffgraph {
       my $value=shift;
       unless ($value) { return ''; }
       my $val=int(40.0*$value+0.5);
       my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
                   '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
       my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
       for (my $i=0;$i<8;$i++) {
    if ($val>$i*5) {
               $output.='<td width=5 bgcolor="'.$colors[$i].'">&nbsp;</td>';
           } else {
       $output.='<td width=5 bgcolor="#555555">&nbsp;</td>';
    }
       }
       $output.='<td> ('.$value.') </td></tr></table>';
       return $output;
   }
   
 # ================================================================ Main Handler  # ================================================================ Main Handler
   
Line 31  sub handler { Line 154  sub handler {
 # ------------------------------------------------------------------- Read file  # ------------------------------------------------------------------- Read file
   
   my $uri=$r->uri;    my $uri=$r->uri;
   map {    foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
       $content{$_}=&Apache::lonnet::metadata($uri,$_);        $content{$_}=&Apache::lonnet::metadata($uri,$_);
   } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));    }
   
   # ------------------------------------------------------------------ Hide stuff
   
     unless ($ENV{'user.adv'}) {
         foreach ('keywords','notes','abstract','subject') {
             $content{$_}='<i>- not displayed -</i>';
         }
     }
   
 # --------------------------------------------------------------- Render Output  # --------------------------------------------------------------- Render Output
   
 my $creationdate=localtime($content{'creationdate'});  my $creationdate=localtime($content{'creationdate'});
 my $lastrevisiondate=localtime($content{'lastrevisiondate'});  my $lastrevisiondate=localtime($content{'lastrevisiondate'});
     my $language=&Apache::loncommon::languagedescription($content{'language'});
   my $mime=&Apache::loncommon::filedescription($content{'mime'}); 
   my $disuri=&Apache::lonnet::declutter($uri);
     $disuri=~s/\.meta$//;
   $r->print(<<ENDHEAD);    $r->print(<<ENDHEAD);
 <html><head><title>Catalog Information</title></head>  <html><head><title>Catalog Information</title></head>
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
 <h1>Catalog Information</h1>  <h1>Catalog Information</h1>
 <h2>$content{'title'}</h2>  <h2>$content{'title'}</h2>
 <h3>Author(s): $content{'author'}</h3>  <h3><tt>$disuri</tt></h3>
 <b>Subject:</b> $content{'subject'}<br>  <table cellspacing=2 border=0>
 <b>Keyword(s):</b> $content{'keywords'}<br>  <tr><td bgcolor='#AAAAAA'>Author(s)</td>
 <b>Notes:</b> $content{'notes'}<br>  <td bgcolor="#CCCCCC">$content{'author'}&nbsp;</td></tr>
 <b>Abstract:</b>  <tr><td bgcolor='#AAAAAA'>Subject</td>
 <blockquote>$content{'abstract'}</blockquote>  <td bgcolor="#CCCCCC">$content{'subject'}&nbsp;</td></tr>
 <hr>  <tr><td bgcolor='#AAAAAA'>Keyword(s)</td>
 <b>MIME Type:</b> $content{'mime'}<br>  <td bgcolor="#CCCCCC">$content{'keywords'}&nbsp;</td></tr>
 <b>Language:</b> $content{'language'}<br>  <tr><td bgcolor='#AAAAAA'>Notes</td>
 <b>Creation Date:</b> $creationdate<br>  <td bgcolor="#CCCCCC">$content{'notes'}&nbsp;</td></tr>
 <b>Last Revision Date:</b> $lastrevisiondate<br>  <tr><td bgcolor='#AAAAAA'>Abstract</td>
 <b>Publisher/Owner:</b> $content{'owner'}<br>  <td bgcolor="#CCCCCC">$content{'abstract'}&nbsp;</td></tr>
 <b>Copyright/Distribution:</b> $content{'copyright'}  <tr><td bgcolor='#AAAAAA'>MIME Type</td>
 <hr>  <td bgcolor="#CCCCCC">$mime ($content{'mime'})&nbsp;</td></tr>
   <tr><td bgcolor='#AAAAAA'>Language</td>
   <td bgcolor="#CCCCCC">$language&nbsp;</td></tr>
   <tr><td bgcolor='#AAAAAA'>Creation Date</td>
   <td bgcolor="#CCCCCC">$creationdate&nbsp;</td></tr>
   <tr><td bgcolor='#AAAAAA'>
   Last Revision Date</td><td bgcolor="#CCCCCC">$lastrevisiondate&nbsp;</td></tr>
   <tr><td bgcolor='#AAAAAA'>Publisher/Owner</td>
   <td bgcolor="#CCCCCC">$content{'owner'}&nbsp;</td></tr>
   <tr><td bgcolor='#AAAAAA'>Copyright/Distribution</td>
   <td bgcolor="#CCCCCC">$content{'copyright'}
   </table>
 ENDHEAD  ENDHEAD
   delete($content{'title'});    delete($content{'title'});
   delete($content{'author'});    delete($content{'author'});
Line 72  ENDHEAD Line 217  ENDHEAD
   delete($content{'lastrevisiondate'});    delete($content{'lastrevisiondate'});
   delete($content{'owner'});    delete($content{'owner'});
   delete($content{'copyright'});    delete($content{'copyright'});
   map {    if ($ENV{'user.adv'}) {
   # ------------------------------------------------------------ Dynamic Metadata
      $r->print(
      '<h3>Dynamic Metadata (updated periodically)</h3>Processing ...<br>');
      $r->rflush();
       my %items=(
    'count'      => 'Network-wide number of accesses (hits)',
    'course'     => 'Network-wide number of courses using resource',
    'usage'      => 'Number of resources using or importing resource',
    'clear'      => 'Material presented in clear way',
    'depth'      => 'Material covered with sufficient depth',
    'helpful'    => 'Material is helpful',
    'correct'    => 'Material appears to be correct',
    'technical'  => 'Resource is technically correct', 
    'avetries'   => 'Average number of tries till solved',
    'stdno'      => 'Total number of students who have worked on this problem',
    'difficulty' => 'Degree of difficulty');
      my %dynmeta=&dynamicmeta($uri);
      $r->print(
   '</table><h4>Access and Usage Statistics</h4><table cellspacing=2 border=0>');
      foreach ('count','usage','course') {
          $r->print(
   '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
   $dynmeta{$_}."&nbsp;</td></tr>\n");
      }
          $r->print('</table>');
      if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
         $r->print(
   '<h4>Assessment Statistical Data</h4><table cellspacing=2 border=0>');
         foreach ('stdno','avetries') {
             $r->print(
   '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
   $dynmeta{$_}."&nbsp;</td></tr>\n");
         }
         foreach ('difficulty') {
            $r->print(
   '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
   &diffgraph($dynmeta{$_})."</td></tr>\n");
         }
         $r->print('</table>');    
      }
      $r->print('<h4>Evaluation Data</h4><table cellspacing=2 border=0>');
      foreach ('clear','depth','helpful','correct','technical') {
          $r->print(
   '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
   &evalgraph($dynmeta{$_})."</td></tr>\n");
      }    
      $r->print('</table>');
      $disuri=~/^(\w+)\/(\w+)\//;   
      if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
          || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
         $r->print(
     '<h4>Evaluation Comments (visible to author and co-authors only)</h4>'.
         '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');      
      }
   # ------------------------------------------------------------- All other stuff
      $r->print(
    '<h3>Additional Metadata (non-standard, parameters, exports)</h3>');
      foreach (sort keys %content) {
       my $name=$_;        my $name=$_;
       my $display=&Apache::lonnet::metadata($uri,$name.'.display');        my $display=&Apache::lonnet::metadata($uri,$name.'.display');
       if ($display) { $name=$display; };         unless ($display) { $display=$name; };
       $r->print('<b>'.$name.':</b> '.$content{$name}.'<br>');        my $otherinfo='';
   } sort keys %content;        foreach ('name','part','type','default') {
             if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
                $otherinfo.=' '.$_.'='.
    &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
             }
         }
         $r->print('<b>'.$display.':</b> '.$content{$name});
         if ($otherinfo) {
            $r->print(' ('.$otherinfo.')');
         }
         $r->print("<br>\n");
      }
     }
   $r->print('</body></html>');    $r->print('</body></html>');
   return OK;    return OK;
 }  }
Removed from v.1.3  
changed lines
  Added in v.1.16

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