Annotation of loncom/interface/lonchart.pm, revision 1.36
1.1 www 1: # The LearningOnline Network with CAPA
1.25 minaeibi 2: # (Publication Handler
3: #
1.36 ! minaeibi 4: # $Id: lonchart.pm,v 1.35 2002/02/28 23:35:31 albertel Exp $
1.25 minaeibi 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.
14: #
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/
27: #
1.1 www 28: # Homework Performance Chart
29: #
30: # (Navigate Maps Handler
31: #
32: # (Page Handler
33: #
34: # (TeX Content Handler
1.27 minaeibi 35: # YEAR=2000
1.1 www 36: # 05/29/00,05/30 Gerd Kortemeyer)
37: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
38: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
1.27 minaeibi 39: # YEAR=2001
1.14 minaeibi 40: # 3/1/1,6/1,17/1,29/1,30/1,31/1 Gerd Kortemeyer)
1.5 minaeibi 41: # 7/10/01 Behrouz Minaei
1.6 www 42: # 9/8 Gerd Kortemeyer
1.27 minaeibi 43: # 10/1, 10/19, 11/17, 11/22, 11/24, 11/28 12/18 Behrouz Minaei
44: # YEAR=2002
1.33 minaeibi 45: # 2/1, 2/6, 2/19, 2/28 Behrouz Minaei
1.26 minaeibi 46: #
47: ###
1.1 www 48:
49: package Apache::lonchart;
50:
51: use strict;
52: use Apache::Constants qw(:common :http);
53: use Apache::lonnet();
1.28 albertel 54: use Apache::loncommon();
1.1 www 55: use HTML::TokeParser;
56: use GDBM_File;
57:
58: # -------------------------------------------------------------- Module Globals
59: my %hash;
1.30 minaeibi 60: my %CachData;
1.1 www 61: my @cols;
62: my @rowlabels;
63: my @students;
1.30 minaeibi 64: my @PreCol;
65: my $r;
1.33 minaeibi 66:
1.1 www 67: # ------------------------------------------------------------- Find out status
68:
1.5 minaeibi 69: sub ExtractStudentData {
70: my ($index,$coid)=@_;
71: my ($sname,$sdom) = split( /\:/, $students[$index] );
72: my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
73: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
74: my %result=();
75: my $ResId;
76: my $Code;
77: my $Tries;
78: my $Wrongs;
1.7 minaeibi 79: my %TempHash;
1.5 minaeibi 80: my $Version;
1.10 minaeibi 81: my $ProbNo;
1.26 minaeibi 82: my $ProbSolved;
83: my $ProbTotal;
1.22 minaeibi 84: my $LatestVersion;
1.5 minaeibi 85: my $Str=substr($students[$index].
86: ' ',0,14).' ! '.
87: substr($rowlabels[$index].
88: ' ',0,45).' ! ';
89: unless ($reply=~/^error\:/) {
1.31 minaeibi 90: foreach (split(/\&/,$reply)) {
1.5 minaeibi 91: my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
92: $result{$name}=$value;
1.31 minaeibi 93: }
1.10 minaeibi 94: $ProbNo = 0;
1.26 minaeibi 95: $ProbTotal = 0;
96: $ProbSolved = 0;
1.10 minaeibi 97: my $IterationNo = 0;
1.5 minaeibi 98: foreach $ResId (@cols) {
1.10 minaeibi 99: if ($IterationNo == 0) {$IterationNo++; next;}
100: if (!$ResId) {
101: my $PrNo = sprintf( "%3d", $ProbNo );
102: $Str .= ' '.'<font color="#007700">'.$PrNo.'</font> ';
1.26 minaeibi 103: $ProbSolved += $ProbNo;
1.10 minaeibi 104: $ProbNo=0;
105: next;
106: }
1.5 minaeibi 107: $ResId=~/(\d+)\.(\d+)/;
1.11 minaeibi 108: my $meta=$hash{'src_'.$ResId};
109: my $PartNo = 0;
110: undef %TempHash;
1.31 minaeibi 111: foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
1.11 minaeibi 112: if ($_=~/^stores\_(\d+)\_tries$/) {
113: my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
114: if ( $TempHash{"$Part"} eq '' ) {
115: $TempHash{"$Part"} = $Part;
116: $TempHash{$PartNo}=$Part;
117: $TempHash{"$Part.Code"} = ' ';
118: $PartNo++;
119: }
120: }
1.31 minaeibi 121: }
1.11 minaeibi 122:
1.5 minaeibi 123: my $Prob = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ).
124: '___'.$2.'___'.
125: &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
126: $Code=' ';
127: $Tries = 0;
1.7 minaeibi 128: $LatestVersion = $result{"version:$Prob"};
1.14 minaeibi 129:
1.7 minaeibi 130: if ( $LatestVersion ) {
131: for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
132: my $vkeys = $result{"$Version:keys:$Prob"};
133: my @keys = split(/\:/,$vkeys);
1.14 minaeibi 134:
1.7 minaeibi 135: foreach my $Key (@keys) {
136: if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
137: my $Part = $1;
138: $Tries = $result{"$Version:$Prob:resource.$Part.tries"};
1.19 minaeibi 139: $TempHash{"$Part.Tries"}=($Tries) ? $Tries : 0;
1.16 minaeibi 140: my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
1.19 minaeibi 141: if ($Val eq 'correct_by_student'){$Code='*';}
1.7 minaeibi 142: elsif ($Val eq 'correct_by_override'){$Code = '+';}
143: elsif ($Val eq 'incorrect_attempted'){$Code = '.';}
144: elsif ($Val eq 'incorrect_by_override'){$Code = '-';}
145: elsif ($Val eq 'excused'){$Code = 'x';}
1.23 albertel 146: elsif ($Val eq 'ungraded_attempted'){$Code = '#';}
1.13 minaeibi 147: else {$Code = ' ';}
1.7 minaeibi 148: $TempHash{"$Part.Code"} = $Code;
149: }
1.5 minaeibi 150: }
151: }
1.7 minaeibi 152: for ( my $n = 0; $n < $PartNo; $n++ ) {
153: my $part = $TempHash{$n};
1.25 minaeibi 154: my $Code = $TempHash{"$part.Code"};
155: if ( $Code eq '*') {
1.10 minaeibi 156: $ProbNo++;
1.19 minaeibi 157: if (($TempHash{"$part.Tries"}<10) ||
1.20 minaeibi 158: ($TempHash{"$part.Tries"} eq '')) {
1.19 minaeibi 159: $TempHash{"$part.Code"}=$TempHash{"$part.Tries"};
1.10 minaeibi 160: }
1.7 minaeibi 161: }
1.25 minaeibi 162: elsif ( $Code eq '+' ) {$ProbNo++;}
1.19 minaeibi 163: $Str .= $TempHash{"$part.Code"};
1.26 minaeibi 164: if ( $Code ne 'x' ) {$ProbTotal++;}
1.7 minaeibi 165: }
1.5 minaeibi 166: }
1.26 minaeibi 167: else {
168: for(my $n=0; $n<$PartNo; $n++) {
169: $Str.=' ';
170: $ProbTotal++;
171: }
172: }
1.5 minaeibi 173: }
1.1 www 174: }
1.26 minaeibi 175: my $PrTot = sprintf( "%5d", $ProbTotal );
176: my $PrSvd = sprintf( "%5d", $ProbSolved );
177: $Str .= ' '.'<font color="#000088">'.$PrSvd.' /'.$PrTot.'</font> ';
1.11 minaeibi 178:
1.10 minaeibi 179: return $Str ;
1.1 www 180: }
181:
1.5 minaeibi 182:
1.1 www 183: # ------------------------------------------------------------ Build page table
184:
185: sub tracetable {
186: my ($rid,$beenhere)=@_;
187: unless ($beenhere=~/\&$rid\&/) {
188: $beenhere.=$rid.'&';
1.7 minaeibi 189: # new ... updating the map according to sequence and page
1.1 www 190: if (defined($hash{'is_map_'.$rid})) {
1.7 minaeibi 191: my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}};
192: if ( $cmap eq 'sequence' || $cmap eq 'page' ) {
1.1 www 193: $cols[$#cols+1]=0;
194: }
195: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
196: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
197: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
198:
199: &tracetable($hash{'map_start_'.$hash{'src_'.$rid}},
200: '&'.$frid.'&');
201:
202: if ($hash{'src_'.$frid}) {
203: if ($hash{'src_'.$frid}=~
204: /\.(problem|exam|quiz|assess|survey|form)$/) {
205: $cols[$#cols+1]=$frid;
206: }
207: }
208:
209: }
210: } else {
211: if ($hash{'src_'.$rid}) {
212: if ($hash{'src_'.$rid}=~
213: /\.(problem|exam|quiz|assess|survey|form)$/) {
214: $cols[$#cols+1]=$rid;
215: }
216: }
217: }
218: if (defined($hash{'to_'.$rid})) {
1.31 minaeibi 219: foreach (split(/\,/,$hash{'to_'.$rid})){
1.1 www 220: &tracetable($hash{'goesto_'.$_},$beenhere);
1.31 minaeibi 221: }
1.1 www 222: }
223: }
224: }
225:
226:
1.33 minaeibi 227: sub usection2 {
228: my ($udom,$unam,$courseid,$ActiveFlag)=@_;
229: $courseid=~s/\_/\//g;
230: $courseid=~s/^(\w)/\/$1/;
231: foreach my $elem(split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles',
232: &Apache::lonnet::homeserver($unam,$udom)))) {
233: my ($key,$value)=split(/\=/,$elem);
234: $key=&Apache::lonnet::unescape($key);
235: if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
236: my $section=$1;
237: if ($key eq $courseid.'_st') { $section=''; }
238: my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value));
239: my $now=time;
240: my $notactive=0;
241: if ($start) {
242: if ($now<$start) { $notactive=1; }
243: }
244: if ($end) {
245: if ($now>$end) { $notactive=1; }
246: }
247: if ($ActiveFlag == 1) { $notactive=0; }
248: unless ($notactive) { return $section; }
249: }
250: }
251: return '-1';
252: }
253:
254:
255: sub usection {
1.36 ! minaeibi 256: my ($udom,$unam,$courseid,$ActiveFlag)=@_;
1.33 minaeibi 257: $courseid=~s/\_/\//g;
258: $courseid=~s/^(\w)/\/$1/;
1.34 minaeibi 259: foreach (split(/\&/,&Apache::lonnet::reply('dump:'.
260: $udom.':'.$unam.':roles',
261: &Apache::lonnet::homeserver($unam,$udom)))){
1.33 minaeibi 262: my ($key,$value)=split(/\=/,$_);
263: $key=&Apache::lonnet::unescape($key);
264: if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
265: my $section=$1;
266: if ($key eq $courseid.'_st') { $section=''; }
267: my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value));
1.36 ! minaeibi 268: if ( $ActiveFlag ne 'Any' ) {
! 269: my $now=time;
! 270: my $notactive=0;
! 271: if ($start) {
! 272: if ($now<$start) { $notactive=1; }
! 273: }
! 274: if ($end) {
! 275: if ($now>$end) { $notactive=1; }
! 276: }
! 277: if ((($ActiveFlag eq 'Expired') && $notactive == 1) ||
! 278: (($ActiveFlag eq 'Active') && $notactive == 0 ) ) {
! 279: return $section;
! 280: }
! 281: else { return '-1'; }
! 282: }
1.33 minaeibi 283: return $section;
284: }
1.34 minaeibi 285: }
1.36 ! minaeibi 286: return '-1';
1.33 minaeibi 287: }
288:
1.30 minaeibi 289: sub BuildChart {
290: # ----------------------- Get first and last resource, see if there is anything
291: my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
292: my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
293: if (($firstres) && ($lastres)) {
294: # ----------------------------------------------------------------- Render page
295: my $cid=$ENV{'request.course.id'};
296: my $chome=$ENV{'course.'.$cid.'.home'};
297: my ($cdom,$cnum)=split(/\_/,$cid);
298: # ---------------------------------------------- Read class list and row labels
299: my $classlst=&Apache::lonnet::reply
300: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
301: my $now=time;
302: unless ($classlst=~/^error\:/) {
1.31 minaeibi 303: foreach my $KeyPoint(sort split(/\&/,$classlst)) {
304: my ($name,$value)=split(/\=/,$KeyPoint);
1.30 minaeibi 305: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
306: my $active=1;
1.36 ! minaeibi 307: my $Status=$ENV{'form.status'};
! 308: $Status = ($Status) ? $Status : 'Active';
! 309: if ( ( ($end) && $now > $end ) &&
! 310: ( ($Status eq 'Active') ) ) { $active=0; }
! 311:
! 312: if ( ($Status eq 'Expired') &&
! 313: ($end == 0 || $now < $end) ) { $active=0; }
1.33 minaeibi 314:
1.30 minaeibi 315: if ($active) {
316: my $thisindex=$#students+1;
317: $name=&Apache::lonnet::unescape($name);
318: $students[$thisindex]=$name;
319: my ($sname,$sdom)=split(/\:/,$name);
320: $PreCol[$thisindex]=$sname.':';
1.36 ! minaeibi 321: my $ssec=&usection($sdom,$sname,$cid,$Status);
1.30 minaeibi 322: if ($ssec==-1) {
323: $rowlabels[$thisindex]=
324: 'Data not available: '.$name;
1.36 ! minaeibi 325: }
! 326: else {
1.30 minaeibi 327: my %reply=&Apache::lonnet::idrget($sdom,$sname);
328: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
1.33 minaeibi 329: ':environment:lastname&generation&firstname&middlename',
330: &Apache::lonnet::homeserver($sname,$sdom));
1.30 minaeibi 331: #$ssec=(int($ssec)) ? int($ssec) : $ssec;
1.31 minaeibi 332: my $sec=sprintf('%3s',$ssec);
333: $rowlabels[$thisindex]=$sec.' '.$reply{$sname}.' ';
334: $PreCol[$thisindex] .= $reply.':'.$sec;
1.30 minaeibi 335: my $i=0;
1.31 minaeibi 336: foreach (split(/\&/,$reply)) {
1.30 minaeibi 337: $i++;
338: if ( $_ ne '') {
339: $rowlabels[$thisindex].=&Apache::lonnet::unescape($_).' ';
340: }
341: if ($i == 2) {
342: chop($rowlabels[$thisindex]);
343: $rowlabels[$thisindex].=', ';
344: }
1.31 minaeibi 345: }
1.30 minaeibi 346: }
347: }
1.31 minaeibi 348: }
1.24 minaeibi 349:
1.30 minaeibi 350: } else {
351: $r->print('<h1>Could not access course data</h1>');
352: }
353:
354: my $allstudents=$#students+1;
355: $r->print('<h3>'.$allstudents.' students</h3>');
356: &CreateForm();
357: $r->rflush();
1.24 minaeibi 358:
1.30 minaeibi 359: # --------------- Find all assessments and put them into some linear-like order
360: &tracetable($firstres,'&'.$lastres.'&');
361: # ----------------------------------------------------------------- Start table
1.1 www 362:
1.30 minaeibi 363: $r->print('<p><pre>');
364: my $index;
365: for ($index=0;$index<=$#students;$index++) {
366: my $Str=&ExtractStudentData($index,$cid);
367: $r->print($Str.'<br>');
368: $r->rflush();
369: $CachData{$PreCol[$index]}=$Str;
370: }
371: $r->print('</pre>');
372: } else {
373: $r->print('<h3>Undefined course sequence</h3>');
374: }
375: }
1.1 www 376:
1.30 minaeibi 377: sub CreateForm {
1.33 minaeibi 378: my $OpSel1='';
379: my $OpSel2='';
1.36 ! minaeibi 380: my $OpSel3='';
! 381: my $Status = $ENV{'form.status'};
! 382: if ( $Status eq 'Any' ) { $OpSel3='selected'; }
! 383: elsif ($Status eq 'Expired' ) { $OpSel2 = 'selected'; }
1.33 minaeibi 384: else { $OpSel1 = 'selected'; }
385:
1.30 minaeibi 386: my $Ptr = '<form name=stat method=post action="/adm/chart" >'."\n";
387: $Ptr .= '<b> Sort by: </b>'."\n";
388: $Ptr .= ' ';
1.33 minaeibi 389: $Ptr .= '<input type=submit name=sort value="User Name" />'."\n";
1.30 minaeibi 390: $Ptr .= ' ';
391: $Ptr .= '<input type=submit name=sort value="Last Name" />'."\n";
392: $Ptr .= ' ';
393: $Ptr .= '<input type=submit name=sort value="Section"/>'."\n";
1.33 minaeibi 394: $Ptr .= '<br><br>';
1.36 ! minaeibi 395: $Ptr .= '<b> Student Status: </b>'."\n".
! 396: '<select name="status">'.
! 397: '<option '.$OpSel1.' >Active</option>'."\n".
! 398: '<option '.$OpSel2.' >Expired</option>'."\n".
! 399: '<option '.$OpSel3.' >Any</option> </select> '."\n";
1.33 minaeibi 400: $Ptr .= ' ';
1.30 minaeibi 401: $Ptr .= '<input type=submit name=sort value="Recalculate Chart"/>'."\n";
402: $Ptr .= '</form>'."\n";
403: $r->print( $Ptr );
404: }
1.1 www 405:
1.30 minaeibi 406: sub CacheChart {
1.35 albertel 407: my %list = ();
1.30 minaeibi 408: my $count=0;
409:
410: my $Pos = $ENV{'form.sort'};
411: if ( $Pos eq 'Last Name' ) {$Pos=1;}
412: elsif ( $Pos eq 'Section' ) {$Pos=2;}
413: else {$Pos=0;}
414:
415: foreach my $key( keys %CachData) {
416: my @Temp=split(/\:/,$key);
417: my $Use = $Temp[$Pos];
1.35 albertel 418: $list{$Use.$key}=$key;
1.30 minaeibi 419: $count++;
420: }
1.1 www 421:
1.35 albertel 422: my @order = sort(keys(%list));
1.1 www 423:
1.30 minaeibi 424: $r->print('<h3>'.$count.' students</h3>');
425: &CreateForm();
426: $r->rflush();
427:
428: $r->print('<p><pre>');
429: for ( my $n; $n < $count; $n++) {
1.35 albertel 430: $r->print($CachData{$list{$order[$n]}}.'<br>');
1.30 minaeibi 431: }
432: $r->print('</pre>');
433: }
1.1 www 434:
1.30 minaeibi 435: sub Start {
436: undef %hash;
437: undef %CachData;
438: undef @students;
439: undef @cols;
440: undef @rowlabels;
441: undef @PreCol;
442:
443: $r->print('<html><head><title>'.
444: 'LON-CAPA Assessment Chart</title></head>');
445: $r->print('<body bgcolor="#FFFFFF">'.
446: '<script>window.focus();</script>'.
447: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
448: '<h1>Assessment Chart</h1>');
1.1 www 449: # ---------------------------------------------------------------- Course title
1.30 minaeibi 450: $r->print('<h1>'.$ENV{'course.'.$ENV{'request.course.id'}.
451: '.description'}.'</h1><h3>'.localtime().
452: "</h3><p><pre>1..9: correct by student in 1..9 tries\n".
453: " *: correct by student in more than 9 tries\n".
454: " +: correct by override\n".
455: " -: incorrect by override\n".
456: " .: incorrect attempted\n".
457: " #: ungraded attempted\n".
458: " : not attempted\n".
459: " x: excused</pre><p>");
1.1 www 460: # ------------------------------- This is going to take a while, produce output
1.30 minaeibi 461: $r->rflush();
1.1 www 462:
1.30 minaeibi 463: my $cid=$ENV{'request.course.id'};
464: my $ChartDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
465: "_$ENV{'user.domain'}_$cid\_chart.db";
466:
467: if ((-e "$ChartDB") && ($ENV{'form.sort'} ne 'Recalculate Chart')) {
468: if (tie(%CachData,'GDBM_File',"$ChartDB",&GDBM_READER,0640)) {
469: &CacheChart();
470: }
471: else {
472: $r->print("Unable to tie hash to db file");
473: }
474: }
475: else {
476: if (tie(%CachData,'GDBM_File',$ChartDB,&GDBM_WRCREAT,0640)) {
477: foreach (keys %CachData) {delete $CachData{$_};}
478: &BuildChart();
479: }
480: else {
481: $r->print("Unable to tie hash to db file");
482: }
1.1 www 483: }
1.30 minaeibi 484: untie(%CachData);
485: }
1.1 www 486:
1.30 minaeibi 487: # ================================================================ Main Handler
1.1 www 488:
1.30 minaeibi 489: sub handler {
490: $r=shift;
491: if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
492: # ------------------------------------------- Set document type for header only
493: if ($r->header_only) {
494: if ($ENV{'browser.mathml'}) {
495: $r->content_type('text/xml');
496: } else {
497: $r->content_type('text/html');
498: }
499: &Apache::loncommon::no_cache($r);
500: $r->send_http_header;
501: return OK;
502: }
1.1 www 503:
1.30 minaeibi 504: my $requrl=$r->uri;
505: # ----------------------------------------------------------------- Tie db file
506: if ($ENV{'request.course.fn'}) {
507: my $fn=$ENV{'request.course.fn'};
508: if (-e "$fn.db") {
509: if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
510: # ------------------------------------------------------------------- Hash tied
511: # ---------------------------------------------------------------- Send headers
512: $r->content_type('text/html');
513: $r->send_http_header;
514: &Start();
515: $r->print('</body></html>');
1.1 www 516: # ------------------------------------------------------------- End render page
1.30 minaeibi 517: } else {
518: $r->content_type('text/html');
519: $r->send_http_header;
520: $r->print('<html><body>Coursemap undefined.</body></html>');
521: }
1.1 www 522: # ------------------------------------------------------------------ Untie hash
1.30 minaeibi 523: unless (untie(%hash)) {
524: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
525: "Could not untie coursemap $fn (browse).</font>");
526: }
1.1 www 527:
528: # -------------------------------------------------------------------- All done
1.30 minaeibi 529: return OK;
1.1 www 530: # ----------------------------------------------- Errors, hash could no be tied
1.30 minaeibi 531: }
532: } else {
533: $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
534: return HTTP_NOT_ACCEPTABLE;
535: }
536: } else {
537: $ENV{'user.error.msg'}=
1.1 www 538: $r->uri.":vgr:0:0:Cannot view grades for complete course";
1.30 minaeibi 539: return HTTP_NOT_ACCEPTABLE;
540: }
1.1 www 541: }
542: 1;
543: __END__
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