Annotation of loncom/interface/lonmeta.pm, revision 1.20
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.20 ! www 4: # $Id: lonmeta.pm,v 1.19 2002/09/11 19:37:51 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();
1.1 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+)\//);
1.19 www 47: my $regexp=$url;
1.9 www 48: $regexp=~s/(\W)/\\$1/g;
1.10 www 49: $regexp='___'.$regexp.'___';
1.16 albertel 50: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
51: $aauthor,$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{$_};
83: }
84: }
85: }
1.9 www 86: my %returnhash=();
1.10 www 87: foreach (keys %cnt) {
1.11 www 88: if ($listitems{$_} eq 'avg') {
89: $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
90: } elsif ($listitems{$_} eq 'cnt') {
91: $returnhash{$_}=$cnt{$_};
92: } else {
93: $returnhash{$_}=$sum{$_};
94: }
1.9 www 95: }
96: return %returnhash;
97: }
1.1 www 98:
1.12 www 99: # -------------------------------------------------------------- Pretty display
100:
101: sub evalgraph {
102: my $value=shift;
1.13 www 103: unless ($value) { return ''; }
1.12 www 104: my $val=int($value*10.+0.5)-10;
105: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
106: if ($val>=20) {
107: $output.='<td width=20 bgcolor="#555555">  </td>';
108: } else {
109: $output.='<td width='.($val).' bgcolor="#555555"> </td>'.
110: '<td width='.(20-$val).' bgcolor="#FF3333"> </td>';
111: }
112: $output.='<td bgcolor="#FFFF33"> </td>';
113: if ($val>20) {
114: $output.='<td width='.($val-20).' bgcolor="#33FF33"> </td>'.
115: '<td width='.(40-$val).' bgcolor="#555555"> </td>';
116: } else {
117: $output.='<td width=20 bgcolor="#555555">  </td>';
118: }
119: $output.='<td> ('.$value.') </td></tr></table>';
120: return $output;
121: }
122:
123: sub diffgraph {
124: my $value=shift;
1.13 www 125: unless ($value) { return ''; }
1.12 www 126: my $val=int(40.0*$value+0.5);
1.13 www 127: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
128: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
1.12 www 129: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
130: for (my $i=0;$i<8;$i++) {
131: if ($val>$i*5) {
132: $output.='<td width=5 bgcolor="'.$colors[$i].'"> </td>';
133: } else {
134: $output.='<td width=5 bgcolor="#555555"> </td>';
135: }
136: }
137: $output.='<td> ('.$value.') </td></tr></table>';
138: return $output;
139: }
140:
1.1 www 141: # ================================================================ Main Handler
142:
143: sub handler {
144: my $r=shift;
1.20 ! www 145:
! 146: my $loaderror=&Apache::lonnet::overloaderror($r);
! 147: if ($loaderror) { return $loaderror; }
! 148:
! 149:
! 150: my $uri=$r->uri;
! 151:
! 152: my ($resdomain,$resuser)=
! 153: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
! 154:
! 155: $loaderror=
! 156: &Apache::lonnet::overloaderror($r,
! 157: &Apache::lonnet::homeserver($resuser,$resdomain));
! 158: if ($loaderror) { return $loaderror; }
! 159:
1.3 www 160: my %content=();
1.1 www 161:
162: # ----------------------------------------------------------- Set document type
163:
164: $r->content_type('text/html');
165: $r->send_http_header;
166:
167: return OK if $r->header_only;
168:
169: # ------------------------------------------------------------------- Read file
1.14 harris41 170: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
1.3 www 171: $content{$_}=&Apache::lonnet::metadata($uri,$_);
1.14 harris41 172: }
1.6 albertel 173: # ------------------------------------------------------------------ Hide stuff
1.7 www 174:
175: unless ($ENV{'user.adv'}) {
1.14 harris41 176: foreach ('keywords','notes','abstract','subject') {
1.7 www 177: $content{$_}='<i>- not displayed -</i>';
1.14 harris41 178: }
1.6 albertel 179: }
180:
1.1 www 181: # --------------------------------------------------------------- Render Output
1.2 www 182:
183: my $creationdate=localtime($content{'creationdate'});
184: my $lastrevisiondate=localtime($content{'lastrevisiondate'});
1.10 www 185: my $language=&Apache::loncommon::languagedescription($content{'language'});
186: my $mime=&Apache::loncommon::filedescription($content{'mime'});
1.11 www 187: my $disuri=&Apache::lonnet::declutter($uri);
188: $disuri=~s/\.meta$//;
1.17 www 189: my $bodytag=&Apache::loncommon::bodytag
190: ('Catalog Information','','','',$resdomain);
1.1 www 191: $r->print(<<ENDHEAD);
192: <html><head><title>Catalog Information</title></head>
1.17 www 193: $bodytag
1.1 www 194: <h2>$content{'title'}</h2>
1.11 www 195: <h3><tt>$disuri</tt></h3>
196: <table cellspacing=2 border=0>
197: <tr><td bgcolor='#AAAAAA'>Author(s)</td>
198: <td bgcolor="#CCCCCC">$content{'author'} </td></tr>
199: <tr><td bgcolor='#AAAAAA'>Subject</td>
200: <td bgcolor="#CCCCCC">$content{'subject'} </td></tr>
201: <tr><td bgcolor='#AAAAAA'>Keyword(s)</td>
202: <td bgcolor="#CCCCCC">$content{'keywords'} </td></tr>
203: <tr><td bgcolor='#AAAAAA'>Notes</td>
204: <td bgcolor="#CCCCCC">$content{'notes'} </td></tr>
205: <tr><td bgcolor='#AAAAAA'>Abstract</td>
206: <td bgcolor="#CCCCCC">$content{'abstract'} </td></tr>
207: <tr><td bgcolor='#AAAAAA'>MIME Type</td>
208: <td bgcolor="#CCCCCC">$mime ($content{'mime'}) </td></tr>
209: <tr><td bgcolor='#AAAAAA'>Language</td>
210: <td bgcolor="#CCCCCC">$language </td></tr>
211: <tr><td bgcolor='#AAAAAA'>Creation Date</td>
212: <td bgcolor="#CCCCCC">$creationdate </td></tr>
213: <tr><td bgcolor='#AAAAAA'>
214: Last Revision Date</td><td bgcolor="#CCCCCC">$lastrevisiondate </td></tr>
215: <tr><td bgcolor='#AAAAAA'>Publisher/Owner</td>
216: <td bgcolor="#CCCCCC">$content{'owner'} </td></tr>
217: <tr><td bgcolor='#AAAAAA'>Copyright/Distribution</td>
218: <td bgcolor="#CCCCCC">$content{'copyright'}
219: </table>
1.1 www 220: ENDHEAD
221: delete($content{'title'});
222: delete($content{'author'});
223: delete($content{'subject'});
224: delete($content{'keywords'});
225: delete($content{'notes'});
226: delete($content{'abstract'});
227: delete($content{'mime'});
228: delete($content{'language'});
229: delete($content{'creationdate'});
230: delete($content{'lastrevisiondate'});
231: delete($content{'owner'});
232: delete($content{'copyright'});
1.7 www 233: if ($ENV{'user.adv'}) {
1.11 www 234: # ------------------------------------------------------------ Dynamic Metadata
1.15 www 235: $r->print(
236: '<h3>Dynamic Metadata (updated periodically)</h3>Processing ...<br>');
237: $r->rflush();
1.10 www 238: my %items=(
239: 'count' => 'Network-wide number of accesses (hits)',
240: 'course' => 'Network-wide number of courses using resource',
241: 'usage' => 'Number of resources using or importing resource',
1.11 www 242: 'clear' => 'Material presented in clear way',
243: 'depth' => 'Material covered with sufficient depth',
244: 'helpful' => 'Material is helpful',
245: 'correct' => 'Material appears to be correct',
246: 'technical' => 'Resource is technically correct',
1.10 www 247: 'avetries' => 'Average number of tries till solved',
248: 'stdno' => 'Total number of students who have worked on this problem',
249: 'difficulty' => 'Degree of difficulty');
250: my %dynmeta=&dynamicmeta($uri);
1.11 www 251: $r->print(
252: '</table><h4>Access and Usage Statistics</h4><table cellspacing=2 border=0>');
1.10 www 253: foreach ('count','usage','course') {
1.11 www 254: $r->print(
255: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
256: $dynmeta{$_}." </td></tr>\n");
257: }
258: $r->print('</table>');
1.10 www 259: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
1.11 www 260: $r->print(
261: '<h4>Assessment Statistical Data</h4><table cellspacing=2 border=0>');
1.12 www 262: foreach ('stdno','avetries') {
1.11 www 263: $r->print(
264: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
265: $dynmeta{$_}." </td></tr>\n");
266: }
1.12 www 267: foreach ('difficulty') {
268: $r->print(
269: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
270: &diffgraph($dynmeta{$_})."</td></tr>\n");
271: }
1.11 www 272: $r->print('</table>');
1.10 www 273: }
1.11 www 274: $r->print('<h4>Evaluation Data</h4><table cellspacing=2 border=0>');
1.10 www 275: foreach ('clear','depth','helpful','correct','technical') {
1.11 www 276: $r->print(
277: '<tr><td bgcolor="#AAAAAA">'.$items{$_}.'</td><td bgcolor="#CCCCCC">'.
1.12 www 278: &evalgraph($dynmeta{$_})."</td></tr>\n");
1.10 www 279: }
1.11 www 280: $r->print('</table>');
281: $disuri=~/^(\w+)\/(\w+)\//;
1.10 www 282: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
283: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
284: $r->print(
285: '<h4>Evaluation Comments (visible to author and co-authors only)</h4>'.
1.11 www 286: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1.10 www 287: }
1.11 www 288: # ------------------------------------------------------------- All other stuff
1.10 www 289: $r->print(
290: '<h3>Additional Metadata (non-standard, parameters, exports)</h3>');
291: foreach (sort keys %content) {
1.3 www 292: my $name=$_;
293: my $display=&Apache::lonnet::metadata($uri,$name.'.display');
1.5 www 294: unless ($display) { $display=$name; };
295: my $otherinfo='';
1.14 harris41 296: foreach ('name','part','type','default') {
1.5 www 297: if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
298: $otherinfo.=' '.$_.'='.
299: &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
300: }
1.14 harris41 301: }
1.5 www 302: $r->print('<b>'.$display.':</b> '.$content{$name});
303: if ($otherinfo) {
304: $r->print(' ('.$otherinfo.')');
305: }
306: $r->print("<br>\n");
1.10 www 307: }
1.7 www 308: }
1.1 www 309: $r->print('</body></html>');
310: return OK;
311: }
312:
313: 1;
314: __END__
315:
316:
317:
318:
319:
320:
321:
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