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Diff for /loncom/interface/lonmeta.pm between versions 1.2 and 1.11

version 1.2, 2000/10/23 13:21:12 version 1.11, 2001/12/24 21:09:08
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 # 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 Gerd Kortemeyer  # 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24 Gerd Kortemeyer
   
 package Apache::lonmeta;  package Apache::lonmeta;
   
 use strict;  use strict;
 use Apache::File;  
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use HTML::TokeParser;  use Apache::lonnet();
   use Apache::loncommon();
   
   # ----------------------------------------- Fetch and evaluate dynamic metadata
   
 # ================================================= Unpack metadata into a hash  sub dynamicmeta {
       my $url=&Apache::lonnet::declutter(shift);
 sub unpackagemeta {      $url=~s/\.meta$//;
     my ($datastring,$fordisplay)=@_;      my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
     my %content=();      my $regexp=&Apache::lonnet::escape($url);
     my $parser=HTML::TokeParser->new(\$datastring);      $regexp=~s/(\W)/\\$1/g;
     my $token;      $regexp='___'.$regexp.'___';
     while ($token=$parser->get_token) {      my %evaldata=&Apache::lonnet::dump
        if ($token->[0] eq 'S') {                                       ('resevaldata',$adomain,$aauthor,$regexp);
    my $entry=$token->[1];      my %sum;
            my $value=$parser->get_text('/'.$entry);      my %cnt;
            if (($token->[2]->{'display'}) && ($fordisplay)) {      my %listitems=('count'        => 'add',
        $value.='__dis__'.$token->[2]->{'display'};                     'course'       => 'add',
            }                     'avetries'     => 'avg',
            $content{$entry}=$value;                     '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 %content;      return %returnhash;
 }  }
   
 # ================================================================ Main Handler  # ================================================================ Main Handler
   
 sub handler {  sub handler {
   my $r=shift;    my $r=shift;
   my @metacontents;    my %content=();
   my %content;  
   
 # ----------------------------------------------------------- Set document type  # ----------------------------------------------------------- Set document type
   
Line 52  sub handler { Line 111  sub handler {
   
 # ------------------------------------------------------------------- Read file  # ------------------------------------------------------------------- Read file
   
   {    my $uri=$r->uri;
     my $fh=Apache::File->new($r->filename);    map {
     @metacontents=<$fh>;        $content{$_}=&Apache::lonnet::metadata($uri,$_);
   }    } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
   
   %content=&unpackagemeta(join("\n",@metacontents),1);  # ------------------------------------------------------------------ Hide stuff
   
     unless ($ENV{'user.adv'}) {
         map {
             $content{$_}='<i>- not displayed -</i>';
         } ('keywords','notes','abstract','subject');
     }
   
 # --------------------------------------------------------------- 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 96  ENDHEAD Line 175  ENDHEAD
   delete($content{'lastrevisiondate'});    delete($content{'lastrevisiondate'});
   delete($content{'owner'});    delete($content{'owner'});
   delete($content{'copyright'});    delete($content{'copyright'});
   map {    if ($ENV{'user.adv'}) {
       my ($value,$name)=split(/\_\_dis\_\_/,$content{$_});  # ------------------------------------------------------------ Dynamic Metadata
       unless ($name) { $name=$_; }     $r->print('<h3>Dynamic Metadata (updated periodically)</h3>');
       $r->print('<b>'.$name.':</b> '.$value.'<br>');      my %items=(
   } sort keys %content;   'count'      => 'Network-wide number of accesses (hits)',
    'course'     => 'Network-wide number of courses using resource',
    'usage'      => 'Number of resources using or importing resource',
    'clear'      => 'Material presented in clear way',
    'depth'      => 'Material covered with sufficient depth',
    'helpful'    => 'Material is helpful',
    'correct'    => 'Material appears to be correct',
    'technical'  => 'Resource is technically correct', 
    'avetries'   => 'Average number of tries till solved',
    'stdno'      => 'Total number of students who have worked on this problem',
    'difficulty' => 'Degree of difficulty');
      my %dynmeta=&dynamicmeta($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','difficulty') {
             $r->print(
   '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
   $dynmeta{$_}."&nbsp;</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">'.
   $dynmeta{$_}."&nbsp;</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 $display=&Apache::lonnet::metadata($uri,$name.'.display');
         unless ($display) { $display=$name; };
         my $otherinfo='';
         map {
             if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
                $otherinfo.=' '.$_.'='.
    &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
             }
         } ('name','part','type','default'); 
         $r->print('<b>'.$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.1.2  
changed lines
  Added in v.1.11

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