Annotation of loncom/interface/lontrackstudent.pm, revision 1.26
1.1 matthew 1: # The LearningOnline Network with CAPA
2: #
1.26 ! raeburn 3: # $Id: lontrackstudent.pm,v 1.25 2008/12/20 04:31:55 raeburn Exp $
1.1 matthew 4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27: ###
28:
29: =pod
30:
31: =head1 NAME
32:
33: lontrackstudent
34:
35: =head1 SYNOPSIS
36:
37: Track student progress through course materials
38:
39: =over 4
40:
41: =cut
42:
43: package Apache::lontrackstudent;
44:
45: use strict;
46: use Apache::Constants qw(:common :http);
1.13 matthew 47: use Apache::lonmysql;
1.15 albertel 48: use Apache::lonnet;
1.1 matthew 49: use Apache::lonlocal;
50: use Time::HiRes;
1.26 ! raeburn 51: use DateTime();
1.20 www 52: use lib '/home/httpd/lib/perl/';
53: use LONCAPA;
1.1 matthew 54:
1.16 albertel 55: my $num_records=500;
56:
1.5 matthew 57: sub get_data {
58: my ($r,$prog_state,$navmap,$mode) = @_;
1.2 matthew 59: ##
60: ## Compose the query
61: &Apache::lonhtmlcommon::Update_PrgWin
62: ($r,$prog_state,&mt('Composing Query'));
63: #
1.9 matthew 64: # Allow the other server to begin processing the data before we ask for it.
65: sleep(5);
1.10 matthew 66: #
67: my $max_time = &get_max_time_in_db($r,$prog_state);
68: if (defined($max_time)) {
1.17 www 69: $r->print('<h3>'.&mt('Activity data compiled up to [_1]',
1.10 matthew 70: &Apache::lonlocal::locallocaltime($max_time)).
1.17 www 71: '</h3>'.&mt('While data is processed, periodically reload this page for more recent activity').'<br />');
1.10 matthew 72: $r->rflush();
73: } else {
74: $r->print('<h3>'.&mt('Unable to retrieve any data. Please reload this page and try again.').'</h3>');
75: return;
76: }
77: my $query = &build_query($mode);
1.2 matthew 78: ##
79: ## Send it along
1.15 albertel 80: my $home = $env{'course.'.$env{'request.course.id'}.'.home'};
1.2 matthew 81: my $reply=&Apache::lonnet::metadata_query($query,undef,undef,[$home]);
82: if (ref($reply) ne 'HASH') {
83: $r->print('<h2>'.
84: &mt('Error contacting home server for course: [_1]',
85: $reply).
86: '</h2>');
87: return;
88: }
89: my $results_file = $r->dir_config('lonDaemons').'/tmp/'.$reply->{$home};
90: my $endfile = $results_file.'.end';
91: ##
92: ## Check for the results
93: &Apache::lonhtmlcommon::Update_PrgWin
94: ($r,$prog_state,&mt('Waiting for results'));
95: my $maxtime = 500;
96: my $starttime = time;
97: while (! -e $endfile && (time-$starttime < $maxtime)) {
1.4 matthew 98: &Apache::lonhtmlcommon::Update_PrgWin
99: ($r,$prog_state,&mt('Waiting up to [_1] seconds for results',
100: $starttime+$maxtime-time));
1.2 matthew 101: sleep(1);
102: }
103: if (! -e $endfile) {
104: $r->print('<h2>'.
105: &mt('Unable to retrieve data.').'</h2>');
106: $r->print(&mt('Please try again in a few minutes.'));
107: return;
108: }
1.5 matthew 109: $r->rflush();
1.10 matthew 110: #
1.2 matthew 111: &Apache::lonhtmlcommon::Update_PrgWin
112: ($r,$prog_state,&mt('Parsing results'));
1.10 matthew 113: #
1.22 albertel 114: my $last = &output_results($r,$results_file,$navmap,$mode);
1.16 albertel 115: my ($sname,$sdom) = ($mode=~/^student:(.*):(.*)$/);
1.22 albertel 116:
117: my ($text,$inc);
118: if ( $last > 0 && (($last+1) >= $env{'form.start'}+$num_records) ) {
119: $text = 'View more activity by this student';
120: $inc = $num_records;
121: $r->print(&Apache::loncommon::track_student_link($text,$sname,$sdom,undef,
122: ($env{'form.start'}+$inc)
123: ));
124: $r->print('<br />');
125: }
126: $text = 'Resubmit last request to check for newer data';
127: $r->print(&Apache::loncommon::track_student_link($text,$sname,$sdom,undef,
128: $env{'form.start'}));
1.16 albertel 129:
1.5 matthew 130: &Apache::lonhtmlcommon::Update_PrgWin($r,$prog_state,&mt('Finished!'));
1.4 matthew 131: return;
132: }
133:
1.10 matthew 134: sub table_names {
1.15 albertel 135: my $cid = $env{'request.course.id'};
136: my $domain = $env{'course.'.$cid.'.domain'};
137: my $home = $env{'course.'.$cid.'.home'};
138: my $course = $env{'course.'.$cid.'.num'};
1.10 matthew 139: my $prefix = $course.'_'.$domain.'_';
140: #
141: my %tables =
1.13 matthew 142: ( student =>&Apache::lonmysql::fix_table_name($prefix.'students'),
143: res =>&Apache::lonmysql::fix_table_name($prefix.'resource'),
144: machine =>&Apache::lonmysql::fix_table_name($prefix.'machine_table'),
145: activity=>&Apache::lonmysql::fix_table_name($prefix.'activity'),
1.10 matthew 146: );
147: return %tables;
148: }
149:
150: sub get_max_time_in_db {
151: my ($r,$prog_state) = @_;
152: my %table = &table_names();
153: my $query = qq{SELECT MAX(time) FROM $table{'activity'} };
154: #
1.15 albertel 155: my $home = $env{'course.'.$env{'request.course.id'}.'.home'};
1.10 matthew 156: my $reply=&Apache::lonnet::metadata_query($query,undef,undef,[$home]);
157: if (ref($reply) ne 'HASH') {
158: return undef;
159: }
160: my $results_file = $r->dir_config('lonDaemons').'/tmp/'.$reply->{$home};
161: my $endfile = $results_file.'.end';
162: ##
163: ## Check for the results
164: &Apache::lonhtmlcommon::Update_PrgWin
165: ($r,$prog_state,&mt('Waiting for results'));
166: my $maxtime = 500;
167: my $starttime = time;
168: while (! -e $endfile && (time-$starttime < $maxtime)) {
169: &Apache::lonhtmlcommon::Update_PrgWin
170: ($r,$prog_state,&mt('Waiting up to [_1] seconds for results',
171: $starttime+$maxtime-time));
172: sleep(1);
173: }
174: if (! -e $endfile) {
175: $r->print('<h2>'.
176: &mt('Unable to retrieve data.').'</h2>');
177: $r->print(&mt('Please try again in a few minutes.'));
178: return undef;
179: }
180: $r->rflush();
181: #
182: &Apache::lonhtmlcommon::Update_PrgWin
183: ($r,$prog_state,&mt('Parsing results'));
184: #
185: if (! open(TIMEDATA,$results_file)) {
186: $r->print('<h2>'.&mt('Unable to read results file.').'</h2>'.
187: '<p>'.
188: &mt('This is a serious error and has been logged. '.
189: 'You should contact your system administrator '.
190: 'to resolve this issue.').
191: '</p>');
192: return;
193: }
194: #
195: my $timestr = '';
196: while (my $line = <TIMEDATA>) {
197: chomp($line);
1.20 www 198: $timestr = &unescape($line);
1.10 matthew 199: }
200: close(TIMEDATA);
1.12 matthew 201: return &Apache::lonmysql::unsqltime($timestr);
1.10 matthew 202: }
203:
1.5 matthew 204: sub build_query {
205: my ($mode) = @_;
1.15 albertel 206: my $cid = $env{'request.course.id'};
207: my $domain = $env{'course.'.$cid.'.domain'};
208: my $home = $env{'course.'.$cid.'.home'};
209: my $course = $env{'course.'.$cid.'.num'};
1.5 matthew 210: my $prefix = $course.'_'.$domain.'_';
1.16 albertel 211: my $start = ($env{'form.start'}+0);
1.5 matthew 212: #
1.10 matthew 213: my %table = &table_names();
1.5 matthew 214: #
215: my $query;
216: if ($mode eq 'full_class') {
217: $query = qq{
218: SELECT B.resource,A.time,C.student,A.action,E.machine,A.action_values
1.10 matthew 219: FROM $table{'activity'} AS A
220: LEFT JOIN $table{'res'} AS B ON B.res_id=A.res_id
221: LEFT JOIN $table{'student'} AS C ON C.student_id=A.student_id
222: LEFT JOIN $table{'machine'} AS E ON E.machine_id=A.machine_id
1.5 matthew 223: ORDER BY A.time DESC
1.16 albertel 224: LIMIT $start, $num_records
1.5 matthew 225: };
226: } elsif ($mode =~ /^student:(.*):(.*)$/) {
227: my $student = $1.':'.$2;
228: $query = qq{
1.6 matthew 229: SELECT B.resource,A.time,A.action,E.machine,A.action_values
1.10 matthew 230: FROM $table{'activity'} AS A
231: LEFT JOIN $table{'res'} AS B ON B.res_id=A.res_id
232: LEFT JOIN $table{'student'} AS C ON C.student_id=A.student_id
233: LEFT JOIN $table{'machine'} AS E ON E.machine_id=A.machine_id
1.6 matthew 234: WHERE C.student='$student'
235: ORDER BY A.time DESC
1.16 albertel 236: LIMIT $start, $num_records
1.6 matthew 237: };
1.5 matthew 238: }
239: $query =~ s|$/||g;
240: return $query;
241: }
242:
243: ###################################################################
244: ###################################################################
1.4 matthew 245: sub output_results {
1.5 matthew 246: my ($r,$results_file,$navmap,$mode) = @_;
1.6 matthew 247: ##
248: ##
1.12 matthew 249: if (! -s $results_file) {
250: # results file is empty, just let them know there is no data
1.17 www 251: $r->print('<h2>'.&mt('So far, no data has been returned for your request').'</h2>');
1.22 albertel 252: return -1;
1.12 matthew 253: }
1.2 matthew 254: if (! open(ACTIVITYDATA,$results_file)) {
1.4 matthew 255: $r->print('<h2>'.&mt('Unable to read results file.').'</h2>'.
256: '<p>'.
257: &mt('This is a serious error and has been logged. '.
258: 'You should contact your system administrator '.
259: 'to resolve this issue.').
260: '</p>');
1.22 albertel 261: return -2;
1.2 matthew 262: }
1.6 matthew 263: ##
264: ##
1.5 matthew 265: my $tableheader;
266: if ($mode eq 'full_class') {
267: $tableheader =
268: '<table><tr>'.
1.26 ! raeburn 269: '<th> </th>'.
1.5 matthew 270: '<th>'.&mt('Resource').'</th>'.
271: '<th>'.&mt('Time').'</th>'.
272: '<th>'.&mt('Student').'</th>'.
273: '<th>'.&mt('Action').'</th>'.
1.6 matthew 274: # '<th>'.&mt('Originating Server').'</th>'.
275: '<th align="left">'.&mt('Data').'</th>'.
276: '</tr>'.$/;
277: } elsif ($mode =~ /^student:(.*):(.*)$/) {
278: $tableheader =
279: '<table><tr>'.
1.26 ! raeburn 280: '<th> </th>'.
1.6 matthew 281: '<th>'.&mt('Resource').'</th>'.
282: '<th>'.&mt('Time').'</th>'.
283: '<th>'.&mt('Action').'</th>'.
284: # '<th>'.&mt('Originating Server').'</th>'.
285: '<th align="left">'.&mt('Data').'</th>'.
1.5 matthew 286: '</tr>'.$/;
287: }
1.16 albertel 288: my $count = $env{'form.start'}-1;
1.2 matthew 289: $r->rflush();
1.6 matthew 290: ##
291: ##
1.26 ! raeburn 292:
! 293: my $cid = $env{'request.course.id'};
! 294: my $cnum = $env{'course.'.$cid.'.num'};
! 295: my $cdom = $env{'course.'.$cid.'.domain'};
! 296: my $server_timezone = &Apache::lonnet::get_server_timezone($cnum,$cdom);
! 297: if ($server_timezone ne '') {
! 298: if (&Apache::lonlocal::gettimezone($server_timezone) eq 'local') {
! 299: $server_timezone = '';
! 300: }
! 301: }
! 302:
1.2 matthew 303: while (my $line = <ACTIVITYDATA>) {
1.10 matthew 304: # FIXME: does not pass symbs along :(
1.6 matthew 305: chomp($line);
1.20 www 306: $line = &unescape($line);
1.2 matthew 307: if (++$count % 50 == 0) {
1.5 matthew 308: if ($count != 0) {
309: $r->print('</table>'.$/);
310: $r->rflush();
311: }
1.2 matthew 312: $r->print($tableheader);
313: }
1.5 matthew 314: my ($symb,$timestamp,$student,$action,$machine,$values);
315: if ($mode eq 'full_class') {
1.11 albertel 316: ($symb,$timestamp,$student,$action,$machine,$values) = split(',',$line,6);
1.5 matthew 317: } else {
1.11 albertel 318: ($symb,$timestamp,$action,$machine,$values) = split(',',$line,5);
1.5 matthew 319: }
1.11 albertel 320: foreach ($symb,$timestamp,$student,$action,$machine) {
1.20 www 321: $_=&unescape($_);
1.11 albertel 322: }
1.2 matthew 323: my ($title,$src);
1.4 matthew 324: if ($symb =~ m:^/adm/:) {
1.2 matthew 325: $title = $symb;
326: $src = $symb;
327: } else {
1.4 matthew 328: my $nav_res = $navmap->getBySymb($symb);
329: if (defined($nav_res)) {
1.11 albertel 330: $title = $nav_res->compTitle();
1.4 matthew 331: $src = $nav_res->src();
332: } else {
1.23 albertel 333: $src = $symb;
334: if ($src !~ m{/adm}) {
335: $title = &Apache::lonnet::gettitle($src);
336: } elsif ($values =~ /^\s*$/ &&
337: (! defined($src) || $src =~ /^\s*$/)) {
1.6 matthew 338: next;
339: } elsif ($values =~ /^\s*$/) {
340: $values = $src;
341: } else {
342: $title = 'unable to retrieve title';
343: $src = '/dev/null';
344: }
1.4 matthew 345: }
1.2 matthew 346: }
1.6 matthew 347: my %classes;
348: my $class_count=0;
349: if (! exists($classes{$symb})) {
350: $classes{$symb} = $class_count++;
351: }
352: my $class = 'a';#.$classes{$symb};
1.4 matthew 353: #
1.5 matthew 354: if ($symb eq '/prtspool/') {
1.4 matthew 355: $class = 'print';
356: $title = 'retrieve printout';
357: } elsif ($symb =~ m|^/adm/([^/]+)|) {
358: $class = $1;
359: } elsif ($symb =~ m|^/adm/|) {
360: $class = 'adm';
361: }
362: if ($title eq 'unable to retrieve title') {
363: $title =~ s/ /\ /g;
364: $class = 'warning';
365: }
366: if (! defined($title) || $title eq '') {
367: $title = 'untitled';
368: $class = 'warning';
369: }
1.6 matthew 370: # Clean up the values
1.11 albertel 371: $values = &display_values($action,$values);
1.6 matthew 372: #
373: # Build the row for output
1.16 albertel 374: my $tablerow = qq{<tr class="$class"><td>}.($count+1).qq{</td>};
1.6 matthew 375: if ($src =~ m|^/adm/|) {
376: $tablerow .=
1.24 bisitz 377: '<td valign="top"><span class="LC_nobreak">'.$title.'</span></td>';
1.6 matthew 378: } else {
379: $tablerow .=
1.24 bisitz 380: '<td valign="top"><span class="LC_nobreak">'.
1.6 matthew 381: '<a href="'.$src.'">'.$title.'</a>'.
1.24 bisitz 382: '</span></td>';
1.5 matthew 383: }
1.26 ! raeburn 384: if ($server_timezone ne '') {
! 385: $timestamp = &convert_timezone($server_timezone,$timestamp);
! 386: }
1.24 bisitz 387: $tablerow .= '<td valign="top"><span class="LC_nobreak">'.$timestamp.'</span></td>';
1.5 matthew 388: if ($mode eq 'full_class') {
1.11 albertel 389: $tablerow.='<td valign="top">'.$student.'</td>';
1.5 matthew 390: }
1.6 matthew 391: $tablerow .=
1.11 albertel 392: '<td valign="top">'.$action.'</td>'.
1.6 matthew 393: # '<td>'.$machine.'</td>'.
1.11 albertel 394: '<td valign="top">'.$values.'</td>'.
1.6 matthew 395: '</tr>';
396: $r->print($tablerow.$/);
1.2 matthew 397: }
1.16 albertel 398: $r->print('</table>'.$/);### if (! $count % 50);
1.2 matthew 399: close(ACTIVITYDATA);
1.22 albertel 400: return $count;
1.2 matthew 401: }
402:
1.26 ! raeburn 403: sub convert_timezone {
! 404: my ($server_timezone,$timestamp) = @_;
! 405: if ($server_timezone && $timestamp) {
! 406: my ($date,$time) = split(/\s+/,$timestamp);
! 407: my ($year,$month,$day) = split(/\-/,$date);
! 408: my ($hour,$minute,$sec) = split(/:/,$time);
! 409: foreach ($month,$day,$hour,$minute,$sec) {
! 410: return $timestamp if $_ eq '';
! 411: $_ =~ s/^0//;
! 412: }
! 413: my $dt = DateTime->new(year => $year,
! 414: month => $month,
! 415: day => $day,
! 416: hour => $hour,
! 417: minute => $minute,
! 418: second => $sec,
! 419: time_zone => $server_timezone,
! 420: );
! 421: my $unixtime = $dt->epoch;
! 422: $timestamp = &Apache::lonlocal::locallocaltime($unixtime);
! 423: }
! 424: return $timestamp;
! 425: }
! 426:
1.5 matthew 427: ###################################################################
428: ###################################################################
1.11 albertel 429: sub display_values {
430: my ($action,$values)=@_;
431: my $result='<table>';
432: if ($action eq 'CSTORE') {
433: my %values=map {split('=',$_,-1)} split(/\&/,$values);
434: foreach my $key (sort(keys(%values))) {
435: $result.='<tr><td align="right">'.
1.20 www 436: &unescape($key).
1.11 albertel 437: '</td><td>=</td><td align="left">'.
1.20 www 438: &unescape($values{$key}).'</td></tr>';
1.11 albertel 439: }
440: $result.='</table>';
441: } elsif ($action eq 'POST') {
1.23 albertel 442: my %values;
443: foreach my $pair (split(/\&/,$values)) {
444: my ($key,$value) = split('=',&unescape($pair),-1);
445: $values{$key} = $value;
446: }
1.11 albertel 447: foreach my $key (sort(keys(%values))) {
448: if ($key eq 'counter') { next; }
449: $result.='<tr><td align="right">'.$key.'</td>'.
450: '<td>=</td><td align="left">'.$values{$key}.'</td></tr>';
451: }
452: $result.='</table>';
453: } else {
1.20 www 454: $result=&unescape($values)
1.11 albertel 455: }
456: return $result;
457: }
458: ###################################################################
459: ###################################################################
1.1 matthew 460: sub request_data_update {
461: my $command = 'prepare activity log';
1.15 albertel 462: my $cid = $env{'request.course.id'};
463: my $domain = $env{'course.'.$cid.'.domain'};
464: my $home = $env{'course.'.$cid.'.home'};
465: my $course = $env{'course.'.$cid.'.num'};
1.6 matthew 466: # &Apache::lonnet::logthis($command.' '.$course.' '.$domain.' '.$home);
1.1 matthew 467: my $result = &Apache::lonnet::metadata_query($command,$course,$domain,
468: [$home]);
469: return $result;
470: }
471:
472: ###################################################################
473: ###################################################################
1.5 matthew 474: sub pick_student {
475: my ($r) = @_;
476: $r->print("Sorry, cannot display classlist at this time. Come back another time.");
477: return;
478: }
1.1 matthew 479:
1.5 matthew 480: ###################################################################
481: ###################################################################
1.4 matthew 482: sub styles {
483: return <<END;
1.5 matthew 484: <style type="text/css">
1.6 matthew 485: tr.warning { background-color: \#CCCCCC; }
486: tr.chat { background-color: \#CCCCCC; }
487: tr.chatfetch { background-color: \#CCCCCC; }
488: tr.navmaps { background-color: \#CCCCCC; }
489: tr.roles { background-color: \#CCCCCC; }
490: tr.flip { background-color: \#CCCCCC; }
491: tr.adm { background-color: \#CCCCCC; }
492: tr.print { background-color: \#CCCCCC; }
493: tr.printout { background-color: \#CCCCCC; }
494: tr.parmset { background-color: \#CCCCCC; }
495: tr.grades { background-color: \#CCCCCC; }
496: </style>
497: END
498: }
499:
500: sub developer_centric_styles {
501: return <<END;
502: <style type="text/css">
1.4 matthew 503: tr.warning { background-color: red; }
504: tr.chat { background-color: yellow; }
505: tr.chatfetch { background-color: yellow; }
1.7 matthew 506: tr.evaluate { background-color: red; }
1.4 matthew 507: tr.navmaps { background-color: \#777777; }
508: tr.roles { background-color: \#999999; }
509: tr.flip { background-color: \#BBBBBB; }
510: tr.adm { background-color: green; }
511: tr.print { background-color: blue; }
1.6 matthew 512: tr.parmset { background-color: \#000088; }
1.4 matthew 513: tr.printout { background-color: blue; }
1.6 matthew 514: tr.grades { background-color: \#CCCCCC; }
1.5 matthew 515: </style>
1.4 matthew 516: END
517: }
1.1 matthew 518:
519: ###################################################################
520: ###################################################################
521: sub handler {
522: my $r=shift;
523: my $c = $r->connection();
524: #
525: # Check for overloading here and on the course home server
526: my $loaderror=&Apache::lonnet::overloaderror($r);
527: if ($loaderror) { return $loaderror; }
528: $loaderror=
529: &Apache::lonnet::overloaderror
530: ($r,
1.15 albertel 531: $env{'course.'.$env{'request.course.id'}.'.home'});
1.1 matthew 532: if ($loaderror) { return $loaderror; }
533: #
534: # Check for access
1.15 albertel 535: if (! &Apache::lonnet::allowed('vsa',$env{'request.course.id'})) {
536: $env{'user.error.msg'}=
1.1 matthew 537: $r->uri.":vsa:0:0:Cannot student activity for complete course";
538: if (!
539: &Apache::lonnet::allowed('vsa',
1.15 albertel 540: $env{'request.course.id'}.'/'.
541: $env{'request.course.sec'})) {
542: $env{'user.error.msg'}=
1.1 matthew 543: $r->uri.":vsa:0:0:Cannot view student activity with given role";
544: return HTTP_NOT_ACCEPTABLE;
545: }
546: }
547: #
548: # Send the header
549: &Apache::loncommon::no_cache($r);
550: &Apache::loncommon::content_type($r,'text/html');
551: $r->send_http_header;
552: if ($r->header_only) { return OK; }
553: #
554: # Extract form elements from query string
555: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.16 albertel 556: ['selected_student','start']);
1.1 matthew 557: #
1.2 matthew 558: # We will almost always need this...
559: my $navmap = Apache::lonnavmaps::navmap->new();
1.25 raeburn 560: if (!defined($navmap)) {
561: my $requrl = $r->uri;
562: $env{'user.error.msg'} = "$requrl:bre:0:0:Navmap initialization failed.";
563: return HTTP_NOT_ACCEPTABLE;
564: }
1.1 matthew 565: #
566: &Apache::lonhtmlcommon::clear_breadcrumbs();
567: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/studentactivity',
568: title=>'Student Activity',
569: text =>'Student Activity',
570: faq=>139,
571: bug=>'instructor interface'});
572: #
1.2 matthew 573: # Give the LON-CAPA page header
1.18 albertel 574: $r->print(&Apache::loncommon::start_page('Student Activity',&styles()).
1.19 albertel 575: &Apache::lonhtmlcommon::breadcrumbs('Student Activity'));
1.2 matthew 576: $r->rflush();
577: #
1.1 matthew 578: # Begin form output
1.2 matthew 579: $r->print('<form name="trackstudent" method="post" action="/adm/trackstudent">');
580: $r->print('<br />');
581: $r->print('<div name="statusline">'.
582: &mt('Status:[_1]',
583: '<input type="text" name="status" size="60" value="" />').
584: '</div>');
1.1 matthew 585: $r->rflush();
1.2 matthew 586: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
587: ($r,&mt('Student Activity Retrieval'),
588: &mt('Student Activity Retrieval'),undef,'inline',undef,
589: 'trackstudent','status');
590: &Apache::lonhtmlcommon::Update_PrgWin
591: ($r,\%prog_state,&mt('Contacting course home server'));
1.1 matthew 592: #
593: my $result = &request_data_update();
594: #
1.15 albertel 595: if (exists($env{'form.selected_student'})) {
1.4 matthew 596: # For now, just show all the data, in the future allow selection of
597: # a student
1.15 albertel 598: my ($sname,$sdom) = split(':',$env{'form.selected_student'});
1.21 albertel 599: if ($sname =~ /^$LONCAPA::username_re$/
600: && $sdom =~ /^$LONCAPA::domain_re$/) {
1.6 matthew 601: $r->print('<h2>'.
1.21 albertel 602: &mt('Recent activity of [_1]:[_2]',$sname,$sdom).
1.6 matthew 603: '</h2>');
1.8 matthew 604: $r->print('<p>'.&mt(<<END).'</p>');
605: Compiling student activity data can take a long time.
1.17 www 606: Your request continues to be processed while results are displayed.
1.8 matthew 607: END
1.6 matthew 608: &get_data($r,\%prog_state,$navmap,
1.15 albertel 609: 'student:'.$env{'form.selected_student'});
1.6 matthew 610: } else {
1.21 albertel 611: $r->print('<h2>'.&mt('Unable to process for [_1]:[_2]',
1.6 matthew 612: $sname,$sdom).'</h2>');
613: }
1.1 matthew 614: } else {
1.4 matthew 615: # For now, just show all the data instead of limiting it to one student
1.5 matthew 616: &get_data($r,\%prog_state,$navmap,'full_class');
1.1 matthew 617: }
618: #
1.4 matthew 619: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Done'));
620: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1.2 matthew 621: #
1.1 matthew 622: $r->print("</form>\n");
1.18 albertel 623: $r->print(&Apache::loncommon::end_page());
1.1 matthew 624: $r->rflush();
625: #
626: return OK;
627: }
628:
629: 1;
630:
631: #######################################################
632: #######################################################
633:
634: =pod
635:
636: =back
637:
638: =cut
639:
640: #######################################################
641: #######################################################
642:
643: __END__
644:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lontrackstudent.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface