Annotation of loncom/interface/lonmeta.pm, revision 1.25
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.25 ! www 4: # $Id: lonmeta.pm,v 1.24 2002/10/25 13:50:48 www 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: #
1.13 www 32: # 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24,12/25 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();
1.23 www 40: use Apache::lonmsg;
41: use Apache::lonpublisher;
1.1 www 42:
1.9 www 43: # ----------------------------------------- Fetch and evaluate dynamic metadata
44:
45: sub dynamicmeta {
46: my $url=&Apache::lonnet::declutter(shift);
47: $url=~s/\.meta$//;
48: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
1.19 www 49: my $regexp=$url;
1.9 www 50: $regexp=~s/(\W)/\\$1/g;
1.10 www 51: $regexp='___'.$regexp.'___';
1.16 albertel 52: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
53: $aauthor,$regexp);
1.10 www 54: my %sum;
55: my %cnt;
56: my %listitems=('count' => 'add',
57: 'course' => 'add',
58: 'avetries' => 'avg',
59: 'stdno' => 'add',
60: 'difficulty' => 'avg',
61: 'clear' => 'avg',
62: 'technical' => 'avg',
63: 'helpful' => 'avg',
64: 'correct' => 'avg',
65: 'depth' => 'avg',
66: 'comments' => 'app',
67: 'usage' => 'cnt'
68: );
69: foreach (keys %evaldata) {
70: $_=~/___(\w+)$/;
71: if (defined($cnt{$1})) { $cnt{$1}++; } else { $cnt{$1}=1; }
72: unless ($listitems{$1} eq 'app') {
73: if (defined($sum{$1})) {
74: $sum{$1}+=$evaldata{$_};
75: } else {
76: $sum{$1}=$evaldata{$_};
77: }
78: } else {
79: if (defined($sum{$1})) {
80: if ($evaldata{$_}) {
81: $sum{$1}.='<hr>'.$evaldata{$_};
82: }
83: } else {
84: $sum{$1}=''.$evaldata{$_};
85: }
86: }
87: }
1.9 www 88: my %returnhash=();
1.10 www 89: foreach (keys %cnt) {
1.11 www 90: if ($listitems{$_} eq 'avg') {
91: $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
92: } elsif ($listitems{$_} eq 'cnt') {
93: $returnhash{$_}=$cnt{$_};
94: } else {
95: $returnhash{$_}=$sum{$_};
96: }
1.9 www 97: }
98: return %returnhash;
1.25 ! www 99: }
! 100:
! 101: # ------------------------------------- Try to make an alt tag if there is none
! 102:
! 103: sub alttag {
! 104: my $src=shift;
! 105: return 'None';
1.9 www 106: }
1.1 www 107:
1.12 www 108: # -------------------------------------------------------------- Pretty display
109:
110: sub evalgraph {
111: my $value=shift;
1.13 www 112: unless ($value) { return ''; }
1.12 www 113: my $val=int($value*10.+0.5)-10;
114: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
115: if ($val>=20) {
116: $output.='<td width=20 bgcolor="#555555">  </td>';
117: } else {
118: $output.='<td width='.($val).' bgcolor="#555555"> </td>'.
119: '<td width='.(20-$val).' bgcolor="#FF3333"> </td>';
120: }
121: $output.='<td bgcolor="#FFFF33"> </td>';
122: if ($val>20) {
123: $output.='<td width='.($val-20).' bgcolor="#33FF33"> </td>'.
124: '<td width='.(40-$val).' bgcolor="#555555"> </td>';
125: } else {
126: $output.='<td width=20 bgcolor="#555555">  </td>';
127: }
128: $output.='<td> ('.$value.') </td></tr></table>';
129: return $output;
130: }
131:
132: sub diffgraph {
133: my $value=shift;
1.13 www 134: unless ($value) { return ''; }
1.12 www 135: my $val=int(40.0*$value+0.5);
1.13 www 136: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
137: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
1.12 www 138: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
139: for (my $i=0;$i<8;$i++) {
140: if ($val>$i*5) {
141: $output.='<td width=5 bgcolor="'.$colors[$i].'"> </td>';
142: } else {
143: $output.='<td width=5 bgcolor="#555555"> </td>';
144: }
145: }
146: $output.='<td> ('.$value.') </td></tr></table>';
147: return $output;
148: }
149:
1.1 www 150: # ================================================================ Main Handler
151:
152: sub handler {
153: my $r=shift;
1.20 www 154:
155: my $loaderror=&Apache::lonnet::overloaderror($r);
156: if ($loaderror) { return $loaderror; }
157:
158:
159: my $uri=$r->uri;
160:
1.23 www 161: unless ($uri=~/^\/\~/) {
162: # =========================================== This is not in construction space
1.20 www 163: my ($resdomain,$resuser)=
164: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
165:
166: $loaderror=
167: &Apache::lonnet::overloaderror($r,
168: &Apache::lonnet::homeserver($resuser,$resdomain));
169: if ($loaderror) { return $loaderror; }
170:
1.3 www 171: my %content=();
1.1 www 172:
173: # ----------------------------------------------------------- Set document type
174:
175: $r->content_type('text/html');
176: $r->send_http_header;
177:
178: return OK if $r->header_only;
179:
180: # ------------------------------------------------------------------- Read file
1.14 harris41 181: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
1.3 www 182: $content{$_}=&Apache::lonnet::metadata($uri,$_);
1.14 harris41 183: }
1.6 albertel 184: # ------------------------------------------------------------------ Hide stuff
1.7 www 185:
186: unless ($ENV{'user.adv'}) {
1.14 harris41 187: foreach ('keywords','notes','abstract','subject') {
1.7 www 188: $content{$_}='<i>- not displayed -</i>';
1.14 harris41 189: }
1.6 albertel 190: }
191:
1.1 www 192: # --------------------------------------------------------------- Render Output
1.23 www 193: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
1.22 www 194: my $creationdate=localtime(
195: &Apache::loncommon::unsqltime($content{'creationdate'}));
196: my $lastrevisiondate=localtime(
197: &Apache::loncommon::unsqltime($content{'lastrevisiondate'}));
1.10 www 198: my $language=&Apache::loncommon::languagedescription($content{'language'});
199: my $mime=&Apache::loncommon::filedescription($content{'mime'});
1.11 www 200: my $disuri=&Apache::lonnet::declutter($uri);
201: $disuri=~s/\.meta$//;
1.21 www 202: my $currentversion=&Apache::lonnet::getversion($disuri);
203: my $versiondisplay='';
204: if ($thisversion) {
205: $versiondisplay='Version: '.$thisversion.
206: ' (most recent version: '.$currentversion.')';
207: } else {
208: $versiondisplay='Version: '.$currentversion;
209: }
1.17 www 210: my $bodytag=&Apache::loncommon::bodytag
211: ('Catalog Information','','','',$resdomain);
1.1 www 212: $r->print(<<ENDHEAD);
213: <html><head><title>Catalog Information</title></head>
1.17 www 214: $bodytag
1.1 www 215: <h2>$content{'title'}</h2>
1.11 www 216: <h3><tt>$disuri</tt></h3>
1.21 www 217: $versiondisplay<br />
1.11 www 218: <table cellspacing=2 border=0>
219: <tr><td bgcolor='#AAAAAA'>Author(s)</td>
220: <td bgcolor="#CCCCCC">$content{'author'} </td></tr>
221: <tr><td bgcolor='#AAAAAA'>Subject</td>
222: <td bgcolor="#CCCCCC">$content{'subject'} </td></tr>
223: <tr><td bgcolor='#AAAAAA'>Keyword(s)</td>
224: <td bgcolor="#CCCCCC">$content{'keywords'} </td></tr>
225: <tr><td bgcolor='#AAAAAA'>Notes</td>
226: <td bgcolor="#CCCCCC">$content{'notes'} </td></tr>
227: <tr><td bgcolor='#AAAAAA'>Abstract</td>
228: <td bgcolor="#CCCCCC">$content{'abstract'} </td></tr>
229: <tr><td bgcolor='#AAAAAA'>MIME Type</td>
230: <td bgcolor="#CCCCCC">$mime ($content{'mime'}) </td></tr>
231: <tr><td bgcolor='#AAAAAA'>Language</td>
232: <td bgcolor="#CCCCCC">$language </td></tr>
233: <tr><td bgcolor='#AAAAAA'>Creation Date</td>
234: <td bgcolor="#CCCCCC">$creationdate </td></tr>
235: <tr><td bgcolor='#AAAAAA'>
236: Last Revision Date</td><td bgcolor="#CCCCCC">$lastrevisiondate </td></tr>
237: <tr><td bgcolor='#AAAAAA'>Publisher/Owner</td>
238: <td bgcolor="#CCCCCC">$content{'owner'} </td></tr>
239: <tr><td bgcolor='#AAAAAA'>Copyright/Distribution</td>
240: <td bgcolor="#CCCCCC">$content{'copyright'}
241: </table>
1.1 www 242: ENDHEAD
243: delete($content{'title'});
244: delete($content{'author'});
245: delete($content{'subject'});
246: delete($content{'keywords'});
247: delete($content{'notes'});
248: delete($content{'abstract'});
249: delete($content{'mime'});
250: delete($content{'language'});
251: delete($content{'creationdate'});
252: delete($content{'lastrevisiondate'});
253: delete($content{'owner'});
254: delete($content{'copyright'});
1.7 www 255: if ($ENV{'user.adv'}) {
1.11 www 256: # ------------------------------------------------------------ Dynamic Metadata
1.15 www 257: $r->print(
258: '<h3>Dynamic Metadata (updated periodically)</h3>Processing ...<br>');
259: $r->rflush();
1.10 www 260: my %items=(
261: 'count' => 'Network-wide number of accesses (hits)',
262: 'course' => 'Network-wide number of courses using resource',
263: 'usage' => 'Number of resources using or importing resource',
1.11 www 264: 'clear' => 'Material presented in clear way',
265: 'depth' => 'Material covered with sufficient depth',
266: 'helpful' => 'Material is helpful',
267: 'correct' => 'Material appears to be correct',
268: 'technical' => 'Resource is technically correct',
1.10 www 269: 'avetries' => 'Average number of tries till solved',
270: 'stdno' => 'Total number of students who have worked on this problem',
271: 'difficulty' => 'Degree of difficulty');
272: my %dynmeta=&dynamicmeta($uri);
1.11 www 273: $r->print(
274: '</table><h4>Access and Usage Statistics</h4><table cellspacing=2 border=0>');
1.10 www 275: foreach ('count','usage','course') {
1.11 www 276: $r->print(
277: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
278: $dynmeta{$_}." </td></tr>\n");
279: }
280: $r->print('</table>');
1.10 www 281: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
1.11 www 282: $r->print(
283: '<h4>Assessment Statistical Data</h4><table cellspacing=2 border=0>');
1.12 www 284: foreach ('stdno','avetries') {
1.11 www 285: $r->print(
286: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
287: $dynmeta{$_}." </td></tr>\n");
288: }
1.12 www 289: foreach ('difficulty') {
290: $r->print(
291: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
292: &diffgraph($dynmeta{$_})."</td></tr>\n");
293: }
1.11 www 294: $r->print('</table>');
1.10 www 295: }
1.11 www 296: $r->print('<h4>Evaluation Data</h4><table cellspacing=2 border=0>');
1.10 www 297: foreach ('clear','depth','helpful','correct','technical') {
1.11 www 298: $r->print(
299: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
1.12 www 300: &evalgraph($dynmeta{$_})."</td></tr>\n");
1.10 www 301: }
1.11 www 302: $r->print('</table>');
303: $disuri=~/^(\w+)\/(\w+)\//;
1.10 www 304: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
305: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
306: $r->print(
307: '<h4>Evaluation Comments (visible to author and co-authors only)</h4>'.
1.23 www 308: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
309: $r->print(
310: '<h4>Error Messages (visible to author and co-authors only)</h4>');
311: my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$1,$2);
312: foreach (keys %errormsgs) {
313: if ($_=~/^$disuri\_\d+$/) {
314: my %content=&Apache::lonmsg::unpackagemsg($errormsgs{$_});
315: $r->print('<b>'.$content{'time'}.'</b>: '.$content{'message'}.
316: '<br />');
317: }
318: }
1.10 www 319: }
1.11 www 320: # ------------------------------------------------------------- All other stuff
1.10 www 321: $r->print(
322: '<h3>Additional Metadata (non-standard, parameters, exports)</h3>');
323: foreach (sort keys %content) {
1.3 www 324: my $name=$_;
325: my $display=&Apache::lonnet::metadata($uri,$name.'.display');
1.5 www 326: unless ($display) { $display=$name; };
327: my $otherinfo='';
1.14 harris41 328: foreach ('name','part','type','default') {
1.5 www 329: if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
330: $otherinfo.=' '.$_.'='.
331: &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
332: }
1.14 harris41 333: }
1.5 www 334: $r->print('<b>'.$display.':</b> '.$content{$name});
335: if ($otherinfo) {
336: $r->print(' ('.$otherinfo.')');
337: }
338: $r->print("<br>\n");
1.10 www 339: }
1.7 www 340: }
1.23 www 341: # ===================================================== End Resource Space Call
342: } else {
343: # ===================================================== Construction Space Call
344:
345: # ----------------------------------------------------------- Set document type
346:
347: $r->content_type('text/html');
348: $r->send_http_header;
349:
350: return OK if $r->header_only;
351: # ---------------------------------------------------------------------- Header
352: my $bodytag=&Apache::loncommon::bodytag('Edit Catalog Information');
353: my $disuri=$uri;
354: my $fn=&Apache::lonnet::filelocation('',$uri);
355: $disuri=~s/^\/\~\w+//;
356: $disuri=~s/\.meta$//;
357: my $displayfile='Catalog Information for '.$disuri;
358: if ($disuri=~/\/default$/) {
359: my $dir=$disuri;
360: $dir=~s/default$//;
361: $displayfile='Default Cataloging Information for Directory '.$dir;
362: }
363: %Apache::lonpublisher::metadatafields=();
364: %Apache::lonpublisher::metadatakeys=();
365: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
366: $r->print(<<ENDEDIT);
367: <html><head><title>Edit Catalog Information</title></head>
368: $bodytag
369: <h1>$displayfile</h1>
1.24 www 370: <form method="post">
1.23 www 371: ENDEDIT
1.24 www 372: foreach ('author','title','subject','keywords','abstract','notes',
373: 'copyright','language') {
374: if ($ENV{'form.new_'.$_}) {
375: $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_};
376: }
377: $r->print(
378: &Apache::lonpublisher::textfield($_,'new_'.$_,
379: $Apache::lonpublisher::metadatafields{$_}));
1.23 www 380: }
1.24 www 381: if ($ENV{'form.store'}) {
382: my $mfh;
383: unless ($mfh=Apache::File->new('>'.$fn)) {
384: $r->print(
385: '<p><font color=red>Could not write metadata, FAIL</font>');
386: } else {
387: foreach (sort keys %Apache::lonpublisher::metadatafields) {
388: unless ($_=~/\./) {
389: my $unikey=$_;
390: $unikey=~/^([A-Za-z]+)/;
391: my $tag=$1;
392: $tag=~tr/A-Z/a-z/;
393: print $mfh "\n\<$tag";
394: foreach
395: (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) {
396: my $value=
397: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
398: $value=~s/\"/\'\'/g;
399: print $mfh ' '.$_.'="'.$value.'"';
400: }
401: print $mfh '>'.
402: &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey})
403: .'</'.$tag.'>';
404: }
405: }
406: $r->print('<p>Wrote Metadata');
407: }
408: }
409: $r->print(
410: '<br /><input type="submit" name="store" value="Store Catalog Information"></form></body></html>');
411: return OK;
412: }
1.1 www 413: }
414:
415: 1;
416: __END__
417:
418:
419:
420:
421:
422:
423:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonmeta.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface