--- loncom/interface/lonmeta.pm 2000/10/21 10:46:35 1.1
+++ loncom/interface/lonmeta.pm 2001/12/24 21:09:08 1.11
@@ -1,47 +1,106 @@
# The LearningOnline Network with CAPA
-#
# Metadata display handler
#
+# $Id: lonmeta.pm,v 1.11 2001/12/24 21:09:08 www Exp $
+#
+# 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
#
# 05/29/00,05/30,10/11 Gerd Kortemeyer)
#
-# 10/19,10/21 Gerd Kortemeyer
+# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24 Gerd Kortemeyer
package Apache::lonmeta;
use strict;
-use Apache::File;
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 unpackagemeta {
- my ($datastring,$fordisplay)=@_;
- my %content=();
- my $parser=HTML::TokeParser->new(\$datastring);
- my $token;
- while ($token=$parser->get_token) {
- if ($token->[0] eq 'S') {
- my $entry=$token->[1];
- my $value=$parser->get_text('/'.$entry);
- if (($token->[2]->{'display'}) && ($fordisplay)) {
- $value.='__dis__'.$token->[2]->{'display'};
- }
- $content{$entry}=$value;
+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
+ ('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{$1}.='
'.$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
sub handler {
my $r=shift;
- my @metacontents;
- my %content;
+ my %content=();
# ----------------------------------------------------------- Set document type
@@ -52,34 +111,57 @@ sub handler {
# ------------------------------------------------------------------- Read file
- {
- my $fh=Apache::File->new($r->filename);
- @metacontents=<$fh>;
- }
+ my $uri=$r->uri;
+ map {
+ $content{$_}=&Apache::lonnet::metadata($uri,$_);
+ } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
- %content=&unpackagemeta(join("\n",@metacontents),1);
+# ------------------------------------------------------------------ Hide stuff
+
+ unless ($ENV{'user.adv'}) {
+ map {
+ $content{$_}='- not displayed -';
+ } ('keywords','notes','abstract','subject');
+ }
# --------------------------------------------------------------- Render Output
-
+
+my $creationdate=localtime($content{'creationdate'});
+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(<Catalog Information
Catalog Information
$content{'title'}
-Author(s): $content{'author'}
-Subject: $content{'subject'}
-Keyword(s): $content{'keywords'}
-Notes: $content{'notes'}
-Abstract:
-$content{'abstract'}
-
-MIME Type: $content{'mime'}
-Language: $content{'language'}
-Creation Date: $content{'creationdate'}
-Last Revision Date: $content{'lastrevisiondate'}
-Publisher/Owner: $content{'owner'}
-Copyright/Distribution: $content{'copyright'}
-
+$disuri
+
+| Author(s) |
+$content{'author'} |
+| Subject |
+$content{'subject'} |
+| Keyword(s) |
+$content{'keywords'} |
+| Notes |
+$content{'notes'} |
+| Abstract |
+$content{'abstract'} |
+| MIME Type |
+$mime ($content{'mime'}) |
+| Language |
+$language |
+| Creation Date |
+$creationdate |
+|
+Last Revision Date | $lastrevisiondate |
+| Publisher/Owner |
+$content{'owner'} |
+| Copyright/Distribution |
+$content{'copyright'}
+ |
ENDHEAD
delete($content{'title'});
delete($content{'author'});
@@ -93,11 +175,75 @@ ENDHEAD
delete($content{'lastrevisiondate'});
delete($content{'owner'});
delete($content{'copyright'});
- map {
- my ($value,$name)=split(/\_\_dis\_\_/,$content{$_});
- unless ($name) { $name=$_; }
- $r->print(''.$name.': '.$value.'
');
- } sort keys %content;
+ if ($ENV{'user.adv'}) {
+# ------------------------------------------------------------ Dynamic Metadata
+ $r->print('Dynamic Metadata (updated periodically)
');
+ my %items=(
+ 'count' => 'Network-wide number of accesses (hits)',
+ 'course' => 'Network-wide number of courses using resource',
+ 'usage' => 'Number of resources using or importing resource',
+ 'clear' => 'Material presented in clear way',
+ 'depth' => 'Material covered with sufficient depth',
+ 'helpful' => 'Material is helpful',
+ 'correct' => 'Material appears to be correct',
+ 'technical' => 'Resource is technically correct',
+ 'avetries' => 'Average number of tries till solved',
+ 'stdno' => 'Total number of students who have worked on this problem',
+ 'difficulty' => 'Degree of difficulty');
+ my %dynmeta=&dynamicmeta($uri);
+ $r->print(
+'Access and Usage Statistics
');
+ foreach ('count','usage','course') {
+ $r->print(
+'| '.$items{$_}.' | '.
+$dynmeta{$_}." |
\n");
+ }
+ $r->print('
');
+ if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
+ $r->print(
+'Assessment Statistical Data
');
+ foreach ('stdno','avetries','difficulty') {
+ $r->print(
+'| '.$items{$_}.' | '.
+$dynmeta{$_}." |
\n");
+ }
+ $r->print('
');
+ }
+ $r->print('Evaluation Data
');
+ foreach ('clear','depth','helpful','correct','technical') {
+ $r->print(
+'| '.$items{$_}.' | '.
+$dynmeta{$_}." |
\n");
+ }
+ $r->print('
');
+ $disuri=~/^(\w+)\/(\w+)\//;
+ if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
+ || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
+ $r->print(
+ 'Evaluation Comments (visible to author and co-authors only)
'.
+ ''.$dynmeta{'comments'}.'
');
+ }
+# ------------------------------------------------------------- All other stuff
+ $r->print(
+ 'Additional Metadata (non-standard, parameters, exports)
');
+ 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');
+ $r->print(''.$display.': '.$content{$name});
+ if ($otherinfo) {
+ $r->print(' ('.$otherinfo.')');
+ }
+ $r->print("
\n");
+ }
+ }
$r->print('