Annotation of loncom/interface/lonmeta.pm, revision 1.10
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.9 www 4: # $Id: lonmeta.pm,v 1.8 2001/12/19 17:17:46 albertel Exp $
1.8 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
1.1 www 14: #
1.8 albertel 15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
1.1 www 27: #
28: # (TeX Content Handler
29: #
30: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
31: #
1.10 ! www 32: # 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24 Gerd Kortemeyer
1.1 www 33:
34: package Apache::lonmeta;
35:
36: use strict;
37: use Apache::Constants qw(:common);
1.3 www 38: use Apache::lonnet();
1.10 ! www 39: use Apache::loncommon();
1.1 www 40:
1.9 www 41: # ----------------------------------------- Fetch and evaluate dynamic metadata
42:
43: sub dynamicmeta {
44: my $url=&Apache::lonnet::declutter(shift);
45: $url=~s/\.meta$//;
46: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
47: my $regexp=&Apache::lonnet::escape($url);
48: $regexp=~s/(\W)/\\$1/g;
1.10 ! www 49: $regexp='___'.$regexp.'___';
1.9 www 50: my %evaldata=&Apache::lonnet::dump
51: ('resevaldata',$adomain,$aauthor,$regexp);
1.10 ! www 52: my %sum;
! 53: my %cnt;
! 54: my %listitems=('count' => 'add',
! 55: 'course' => 'add',
! 56: 'avetries' => 'avg',
! 57: 'stdno' => 'add',
! 58: 'difficulty' => 'avg',
! 59: 'clear' => 'avg',
! 60: 'technical' => 'avg',
! 61: 'helpful' => 'avg',
! 62: 'correct' => 'avg',
! 63: 'depth' => 'avg',
! 64: 'comments' => 'app',
! 65: 'usage' => 'cnt'
! 66: );
! 67: foreach (keys %evaldata) {
! 68: $_=~/___(\w+)$/;
! 69: if (defined($cnt{$1})) { $cnt{$1}++; } else { $cnt{$1}=1; }
! 70: unless ($listitems{$1} eq 'app') {
! 71: if (defined($sum{$1})) {
! 72: $sum{$1}+=$evaldata{$_};
! 73: } else {
! 74: $sum{$1}=$evaldata{$_};
! 75: }
! 76: } else {
! 77: if (defined($sum{$1})) {
! 78: if ($evaldata{$_}) {
! 79: $sum{$1}.='<hr>'.$evaldata{$_};
! 80: }
! 81: } else {
! 82: $sum{$1}=''.$evaldata{$_};
! 83: }
! 84: }
! 85: }
1.9 www 86: my %returnhash=();
1.10 ! www 87: foreach (keys %cnt) {
! 88:
1.9 www 89: }
90: return %returnhash;
91: }
1.1 www 92:
93: # ================================================================ Main Handler
94:
95: sub handler {
96: my $r=shift;
1.3 www 97: my %content=();
1.1 www 98:
99: # ----------------------------------------------------------- Set document type
100:
101: $r->content_type('text/html');
102: $r->send_http_header;
103:
104: return OK if $r->header_only;
105:
106: # ------------------------------------------------------------------- Read file
107:
1.3 www 108: my $uri=$r->uri;
109: map {
110: $content{$_}=&Apache::lonnet::metadata($uri,$_);
111: } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
1.1 www 112:
1.6 albertel 113: # ------------------------------------------------------------------ Hide stuff
1.7 www 114:
115: unless ($ENV{'user.adv'}) {
116: map {
117: $content{$_}='<i>- not displayed -</i>';
118: } ('keywords','notes','abstract','subject');
1.6 albertel 119: }
120:
1.1 www 121: # --------------------------------------------------------------- Render Output
1.2 www 122:
123: my $creationdate=localtime($content{'creationdate'});
124: my $lastrevisiondate=localtime($content{'lastrevisiondate'});
1.10 ! www 125: my $language=&Apache::loncommon::languagedescription($content{'language'});
! 126: my $mime=&Apache::loncommon::filedescription($content{'mime'});
1.1 www 127: $r->print(<<ENDHEAD);
128: <html><head><title>Catalog Information</title></head>
129: <body bgcolor="#FFFFFF">
130: <h1>Catalog Information</h1>
131: <h2>$content{'title'}</h2>
132: <h3>Author(s): $content{'author'}</h3>
133: <b>Subject:</b> $content{'subject'}<br>
134: <b>Keyword(s):</b> $content{'keywords'}<br>
135: <b>Notes:</b> $content{'notes'}<br>
136: <b>Abstract:</b>
137: <blockquote>$content{'abstract'}</blockquote>
138: <hr>
1.10 ! www 139: <b>MIME Type:</b> $mime ($content{'mime'})<br>
! 140: <b>Language:</b> $language<br>
1.2 www 141: <b>Creation Date:</b> $creationdate<br>
142: <b>Last Revision Date:</b> $lastrevisiondate<br>
1.1 www 143: <b>Publisher/Owner:</b> $content{'owner'}<br>
144: <b>Copyright/Distribution:</b> $content{'copyright'}
145: <hr>
146: ENDHEAD
147: delete($content{'title'});
148: delete($content{'author'});
149: delete($content{'subject'});
150: delete($content{'keywords'});
151: delete($content{'notes'});
152: delete($content{'abstract'});
153: delete($content{'mime'});
154: delete($content{'language'});
155: delete($content{'creationdate'});
156: delete($content{'lastrevisiondate'});
157: delete($content{'owner'});
158: delete($content{'copyright'});
1.7 www 159: if ($ENV{'user.adv'}) {
1.10 ! www 160: $r->print('<h3>Dynamic Metadata (updated periodically)</h3>');
! 161: my %items=(
! 162: 'count' => 'Network-wide number of accesses (hits)',
! 163: 'course' => 'Network-wide number of courses using resource',
! 164: 'usage' => 'Number of resources using or importing resource',
! 165: 'clear' => 'Evaluation: presented in clear way',
! 166: 'depth' => 'Evaluation: material covered with sufficient depth',
! 167: 'helpful' => 'Evaluation: material is helpful',
! 168: 'correct' => 'Evaluation: material appears to be correct',
! 169: 'technical' => 'Evaluation: material is technically correct',
! 170: 'avetries' => 'Average number of tries till solved',
! 171: 'stdno' => 'Total number of students who have worked on this problem',
! 172: 'difficulty' => 'Degree of difficulty');
! 173: my %dynmeta=&dynamicmeta($uri);
! 174: $r->print('<h4>Access and Usage Statistics</h4>');
! 175: foreach ('count','usage','course') {
! 176: $r->print('<b>'.$items{$_}.':</b>'."<br>\n");
! 177: }
! 178: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
! 179: $r->print('<h4>Assessment Statistical Data</h4>');
! 180: foreach ('stdno','avetries','difficulty') {
! 181: $r->print('<b>'.$items{$_}.':</b>'."<br>\n");
! 182: }
! 183: }
! 184: $r->print('<h4>Evaluation Data</h4>');
! 185: foreach ('clear','depth','helpful','correct','technical') {
! 186: $r->print('<b>'.$items{$_}.':</b>'."<br>\n");
! 187: }
! 188: &Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//;
! 189: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
! 190: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
! 191: $r->print(
! 192: '<h4>Evaluation Comments (visible to author and co-authors only)</h4>'.
! 193: $dynmeta{'comments'});
! 194: }
! 195: $r->print(
! 196: '<h3>Additional Metadata (non-standard, parameters, exports)</h3>');
! 197: foreach (sort keys %content) {
1.3 www 198: my $name=$_;
199: my $display=&Apache::lonnet::metadata($uri,$name.'.display');
1.5 www 200: unless ($display) { $display=$name; };
201: my $otherinfo='';
202: map {
203: if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
204: $otherinfo.=' '.$_.'='.
205: &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
206: }
207: } ('name','part','type','default');
208: $r->print('<b>'.$display.':</b> '.$content{$name});
209: if ($otherinfo) {
210: $r->print(' ('.$otherinfo.')');
211: }
212: $r->print("<br>\n");
1.10 ! www 213: }
1.7 www 214: }
1.1 www 215: $r->print('</body></html>');
216: return OK;
217: }
218:
219: 1;
220: __END__
221:
222:
223:
224:
225:
226:
227:
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