1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
3: #
4: # $Id: bridgetask.pm,v 1.25 2005/05/19 21:22:44 albertel Exp $
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: #
28: ###
29:
30:
31: package Apache::bridgetask;
32:
33: use strict;
34: use Apache::lonnet;
35: use Apache::File();
36: use Apache::lonmenu;
37: use Apache::lonlocal;
38: use Apache::lonxml;
39: use Time::HiRes qw( gettimeofday tv_interval );
40:
41: BEGIN {
42: &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
43: }
44:
45: sub initialize_bridgetask {
46: # id of current Dimension, 0 means that no dimension is current
47: # (inside <Task> only)
48: $Apache::bridgetask::dimension='';
49: # list of all Dimension ids seen
50: @Apache::bridgetask::dimensionlist=();
51: # mandatory attribute of all Dimensions seen
52: %Apache::bridgetask::dimensionmandatory=();
53: # list of all current Instance ids
54: @Apache::bridgetask::instance=();
55: # list of all Instance ids seen in this problem
56: @Apache::bridgetask::instancelist=();
57: # key of queud user data that we are currently grading
58: $Apache::bridgetask::queue_key='';
59: }
60:
61: sub proctor_check_auth {
62: my ($slot_name,$slot)=@_;
63: my $user=$env{'form.proctorname'};
64: my $domain=$env{'form.proctordomain'};
65:
66: my @allowed=split(",",$slot->{'proctor'});
67: foreach my $possible (@allowed) {
68: my ($puser,$pdom)=(split('@',$possible));
69: if ($puser eq $user && $pdom eq $domain) {
70: my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
71: if ($authhost ne 'no_host') {
72: my $version=
73: $Apache::lonhomework::results{'resource.version'}=
74: $Apache::lonhomework::history{'resource.version'}++;
75: $Apache::lonhomework::results{"resource.$version.checkedin"}=
76: $user.'@'.$domain;
77: $Apache::lonhomework::results{"resource.$version.checkedin.slot"}=
78: $slot_name;
79: return 1;
80: }
81: }
82: }
83: return 0;
84: }
85:
86: sub get_version {
87: if ($env{'form.previousversion'} &&
88: defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {
89: return $env{'form.previousversion'};
90: }
91: return $Apache::lonhomework::history{'resource.version'};
92: }
93:
94: sub add_previous_version_button {
95: my ($status)=@_;
96: my $result;
97: if ($Apache::lonhomework::history{'resource.version'} eq '0') {
98: return '';
99: }
100: my $version=&get_version();
101: if ($version ne $Apache::lonhomework::history{'resource.version'}) {
102: return '';
103: }
104:
105: $result.=&mt(' Show a previously done version: [_1]','<select name="previousversion">
106: <option>Pick one</option>
107: </select>');
108: return $result;
109: }
110:
111: sub add_grading_button {
112: my $result;
113: $result.=' <input type="submit" name="gradeasubmission" value="'.
114: &mt("Get a submission to grade").'" />';
115: $result.='<input type="hidden" name="grade_target" value="webgrade" />';
116: return $result;
117: }
118:
119: sub add_request_another_attempt_button {
120: my $result;
121: $result.=' <input type="submit" name="requestattempt" value="'.
122: &mt("Request another attempt").'" />';
123: return $result;
124: }
125:
126: sub start_Task {
127: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
128:
129: my ($status,$accessmsg,$slot);
130: if ($target ne 'webgrade') {
131: &Apache::structuretags::initialize_storage();
132: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
133: }
134:
135: $Apache::lonhomework::parsing_a_task=1;
136: #should get back a <html> or the neccesary stuff to start XML/MathML
137: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
138: &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
139:
140: if ($target eq 'web') {
141: if ($Apache::lonhomework::modifygrades) {
142: $body_tag_start.='<form name="gradesubmission" method="POST" action="';
143: my $uri=$env{'request.uri'};
144: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
145: $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
146: }
147: }
148: if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
149: $target eq 'tex') {
150: my $version=&get_version();
151: ($status,$accessmsg,my $slot_name,$slot) =
152: &Apache::lonhomework::check_task_access('0');
153: push(@Apache::inputtags::status,$status);
154: $Apache::inputtags::slot_name=$slot_name;
155: my $expression='$external::datestatus="'.$status.'";';
156: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";';
157: &Apache::run::run($expression,$safeeval);
158: &Apache::lonxml::debug("Got $status");
159: $body_tag_start.=&add_previous_version_button($status);
160: if (( $status eq 'CLOSED' ) ||
161: ( $status eq 'BANNED') ||
162: ( $status eq 'UNAVAILABLE') ||
163: ( $status eq 'NOT_IN_A_SLOT') ||
164: ( $status eq 'NEEDS_CHECKIN') ||
165: ( $status eq 'WAITING_FOR_GRADE') ||
166: ( $status eq 'INVALID_ACCESS')) {
167: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
168: if ( $target eq "web" ) {
169: $result.= $head_tag_start.'</head>'.$body_tag_start;
170: my $msg;
171: if ($status eq 'UNAVAILABLE') {
172: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
173: } elsif ($status eq 'NOT_IN_A_SLOT') {
174: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
175: } elsif ($status eq 'NEEDS_CHECKIN') {
176: $msg.='<h1>'.&mt('You need the Proctor to validate you.').
177: '</h1>'.&proctor_validation_screen($slot);
178: } elsif ($status eq 'WAITING_FOR_GRADE') {
179: $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
180: } elsif ($status ne 'NOT_YET_VIEWED') {
181: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
182: }
183: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
184: $msg.='The problem '.$accessmsg;
185: }
186: $result.=$msg.'<br />';
187: } elsif ($target eq 'tex') {
188: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
189: if ($status eq 'UNAVAILABLE') {
190: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
191: } else {
192: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
193: }
194: } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
195: if ($status eq 'NEEDS_CHECKIN') {
196: if (&proctor_check_auth($slot_name,$slot)) {
197: #FIXME immeadiatly add this to the grading queue
198: # with slot->{'endtime'} for when grading can
199: # begin on this resource
200: # FIXME I think the above is done by default,
201: # need to check that
202: # failure doesn't do this.
203: }
204: }
205: }
206: } elsif ($target eq 'web') {
207: my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
208: $result.="$head_tag_start<title>$name</title></head>
209: $body_tag_start \n $form_tag_start".
210: '<input type="hidden" name="submitted" value="yes" />';
211: # if we are viewing someone else preserve that info
212: if (defined $env{'form.grade_symb'}) {
213: foreach my $field ('symb','courseid','domain','username') {
214: $result .= '<input type="hidden" name="grade_'.$field.
215: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
216: }
217: }
218: my $version=&get_version();
219: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
220: $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';
221: $result.=&add_request_another_attempt_button();
222: }
223: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {
224: $result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';
225: }
226: }
227: } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
228: $target eq 'webgrade') {
229: if ($target eq 'webgrade') {
230: $result.=$head_tag_start.$body_tag_start.$form_tag_start;
231: $result.='<input type="hidden" name="webgrade" value="yes" />';
232: $result.=&show_queue();
233: }
234: my $todo=&get_from_queue();
235: if ($todo) {
236: &setup_env_for_other_user($todo,$safeeval);
237: my ($symb,$uname,$udom)=&decode_queue_key($todo);
238: $result.="\n".'<table><tr><td>Found '.
239: &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
240: $result.='<input type="hidden" name="gradingkey" value="'.
241: &Apache::lonnet::escape($todo).'" />';
242: $Apache::bridgetask::queue_key=$todo;
243: &Apache::structuretags::initialize_storage();
244: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
245: $result.="\n".'<table width="100%" style="width:100%" border="1">';
246: } else {
247: if ($target eq 'webgrade') {
248: $result.="\n".
249: '<table><tr><td>No user to be graded.</td></tr></table>';
250: }
251: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
252: }
253: } else {
254: # page_start returned a starting result, delete it if we don't need it
255: $result = '';
256: }
257: return $result;
258: }
259:
260: sub end_Task {
261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
262: my $result='';
263: my $status=$Apache::inputtags::status['-1'];
264: my $version=&get_version();
265: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
266: $target eq 'tex') {
267: if (
268: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
269: ($target eq 'answer') || ($target eq 'tex')
270: ) {
271: if ($target eq 'web') {
272: if ($status eq 'CAN_ANSWER') {
273: $result.="\n".'<table border="1">'.
274: &Apache::inputtags::file_selector($version,
275: "bridgetask","*",
276: 'portfolioonly').
277: "</table>";
278: $result.=&Apache::inputtags::gradestatus('0');
279: }
280: }
281: if ($target eq 'web' || $target eq 'webgrade') {
282: $result.=&Apache::lonxml::xmlend().'</html>';
283: }
284: }
285: if ($target eq 'grade' && !$env{'form.webgrade'}) {
286: my $award='SUBMITTED';
287: &Apache::essayresponse::file_submission('0','bridgetask',
288: 'portfiles',\$award);
289: if ($award eq 'SUBMITTED' &&
290: $Apache::lonhomework::results{"resource.$version.bridgetask.portfiles"}) {
291: $Apache::lonhomework::results{"resource.$version.tries"}=
292: 1+$Apache::lonhomework::history{"resource.$version.tries"};
293: }
294: $Apache::lonhomework::results{"resource.$version.award"}=$award;
295: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
296: &Apache::structuretags::finalize_storage();
297: if ($award eq 'SUBMITTED') {
298: &add_to_queue();
299: }
300: }
301: if ($target eq 'grade' && $env{'form.webgrade'}) {
302: my $optional_required=
303: &Apache::lonxml::get_param('OptionalRequired',$parstack,
304: $safeeval);
305: my $optional_passed=0;
306: my $mandatory_failed=0;
307: my $ungraded=0;
308: my $review=0;
309: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
310: foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
311: my $status=
312: $Apache::lonhomework::results{"resource.$version.$dim_id.status"};
313: my $mandatory=
314: ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
315: if ($status eq 'pass') {
316: if (!$mandatory) { $optional_passed++; }
317: } elsif ($status eq 'fail') {
318: if ($mandatory) { $mandatory_failed++; }
319: } elsif ($status eq 'ungraded') {
320: $ungraded++;
321: } elsif ($status eq 'review') {
322: $review++;
323: }
324: }
325: if ($optional_passed < $optional_required) {
326: $mandatory_failed++;
327: }
328: &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
329: $Apache::lonhomework::results{'resource.grader'}=
330: $env{'user.name'}.'@'.$env{'user.domain'};
331: if ($review) {
332: $Apache::lonhomework::results{"resource.$version.status"}='review';
333: &move_to_review_queue();
334: } elsif ($ungraded) {
335: $Apache::lonhomework::results{"resource.$version.status"}='ungraded';
336: &check_queue_unlock();
337: } elsif ($mandatory_failed) {
338: $Apache::lonhomework::results{"resource.$version.status"}='fail';
339: $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
340: $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
341: $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
342: &remove_from_queue();
343: } else {
344: $Apache::lonhomework::results{"resource.$version.status"}='pass';
345: $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
346: $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
347: $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
348: &remove_from_queue();
349: }
350: $Apache::lonhomework::results{'resource.status'}=
351: $Apache::lonhomework::results{'resource.$version.status'};
352: if (defined($Apache::lonhomework::results{'resource.$version.awarded'})) {
353: $Apache::lonhomework::results{'resource.0.award'}=
354: $Apache::lonhomework::results{'resource.$version.award'};
355: $Apache::lonhomework::results{'resource.0.awarded'}=
356: $Apache::lonhomework::results{'resource.$version.awarded'};
357: $Apache::lonhomework::results{'resource.0.solved'}=
358: $Apache::lonhomework::results{'resource.$version.solved'};
359: }
360: &Apache::structuretags::finalize_storage();
361: }
362: } elsif ($target eq 'webgrade') {
363: $result.="</table>\n<hr />";
364: #$result.='<input type="submit" name="next" value="'.
365: # &mt('Save & Next').'" /> ';
366: #$result.='<input type="submit" name="end" value="'.
367: # &mt('Save & Stop Grading').'" /> ';
368: #$result.='<input type="submit" name="throwaway" value="'.
369: # &mt('Throw Away & Stop Grading').'" /> ';
370: #$result.='<input type="submit" name="save" value="'.
371: # &mt('Save Partial Grade and Continue Grading').'" /> ';
372: $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
373: } elsif ($target eq 'meta') {
374: $result.='<parameter part="0" package="Task"></parameter>'."\n";
375: #$result.=&Apache::response::meta_part_order();
376: #$result.=&Apache::response::meta_response_order();
377: }
378: undef($Apache::lonhomework::parsing_a_task);
379: return $result;
380: }
381:
382: sub move_to_review_queue {
383: &Apache::lonxml::debug("Want to move");
384: }
385:
386: sub check_queue_unlock {
387: &Apache::lonxml::debug("Want to unlock?");
388: }
389:
390: sub remove_from_queue {
391: &Apache::lonxml::debug("Want to remove. Done?");
392: }
393:
394: sub setup_env_for_other_user {
395: my ($queue_key,$safeeval)=@_;
396: my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
397: $env{'form.grade_symb'}=$symb;
398: $env{'form.grade_domain'}=$udom;
399: $env{'form.grade_username'}=$uname;
400: $env{'form.grade_courseid'}=$env{'request.course.id'};
401: &Apache::lonxml::initialize_rndseed($safeeval);
402: }
403:
404: sub add_to_queue {
405: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
406: my $cnum=$env{'course.'.$cid.'.num'};
407: my $cdom=$env{'course.'.$cid.'.domain'};
408: my %data;
409: $data{"$symb\0queue\0$uname\@$udom"}=[$Apache::inputtags::slot_name];
410: &Apache::lonnet::put('gradingqueue',\%data,$cdom,$cnum);
411: }
412:
413: sub show_queue {
414: my $result;
415: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
416: my $cnum=$env{'course.'.$cid.'.num'};
417: my $cdom=$env{'course.'.$cid.'.domain'};
418: my $regexp="^$symb\0";
419: my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
420: $result.="\n<h3>Current Queue</h3><table><tr><th>resource</th>".
421: "<th>user</th><th>type</th><th>data</th></tr>";
422: foreach my $key (sort(keys(%queue))) {
423: if ($key=~/locked$/) {
424: my ($symb,$uname,$udom) = &decode_queue_key($key);
425: my $title=&Apache::lonnet::gettitle($symb);
426: $result.="<tr><td>$title</td><td>$uname</td><td>";
427: $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
428: } elsif ($key=~/timestamp$/) {
429: my ($symb,undef) = split("\0",$key);
430: my $title=&Apache::lonnet::gettitle($symb);
431: $result.="<tr><td>$title</td><td></td><td>";
432: $result.='<td>last queue modification time</td><td>'.
433: &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
434: } else {
435: my ($symb,$uname,$udom) = &decode_queue_key($key);
436: my $title=&Apache::lonnet::gettitle($symb);
437: $result.="<tr><td>$title</td><td>$uname</td><td>";
438: my $slot=$queue{$key}->[0];
439: my %slot_data=&Apache::lonnet::get_slot($slot);
440: $result.='<td>queue entry</td><td>End time: '.
441: &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
442: "</td></tr>";
443: }
444: }
445: $result.="</table><hr />\n";
446: return $result;
447: }
448:
449: sub decode_queue_key {
450: my ($key)=@_;
451: my ($symb,undef,$user) = split("\0",$key);
452: my ($uname,$udom) = split('@',$user);
453: return ($symb,$uname,$udom);
454: }
455:
456: sub queue_key_locked {
457: my ($key,$cdom,$cnum)=@_;
458: my ($key_locked,$value)=
459: &Apache::lonnet::get('gradingqueue',["$key\0locked"],$cdom,$cnum);
460: if ($key_locked eq "$key\0locked") {
461: return $value;
462: }
463: return undef;
464: }
465:
466: sub pick_from_queue_data {
467: my ($check_section,$queue,$cdom,$cnum)=@_;
468: foreach my $key (keys(%$queue)) {
469: my ($symb,$uname,$udom)=&decode_queue_key($key);
470: if ($check_section) {
471: my $section=&Apache::lonnet::getsection($uname,$udom);
472: if ($section eq $check_section) {
473: &Apache::lonnet::logthis("my sec");
474: next;
475: }
476: }
477: my $slot=$queue->{$key}[0];
478: my %slot_data=&Apache::lonnet::get_slot($slot);
479: if ($slot_data{'endtime'} > time) {
480: &Apache::lonnet::logthis("not time");
481: next;
482: }
483: if (&queue_key_locked($key,$cdom,$cnum)) {
484: &Apache::lonnet::logthis("someone already has um.");
485: next;
486: }
487: return $key;
488: }
489: return undef;
490: }
491:
492: sub find_mid_grade {
493: my ($symb,$cdom,$cnum)=@_;
494: my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
495: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
496: if ($todo) {
497: my $who=&queue_key_locked($todo,$cdom,$cnum);
498: if ($who eq $me) { return $todo; }
499: }
500: my $regexp="^$symb\0.*\0locked\$";
501: my %locks=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
502: foreach my $key (keys(%locks)) {
503: my $who=$locks{$key};
504: if ($who eq $me) {
505: $todo=$key;
506: $todo=~s/\0locked$//;
507: return $todo;
508: }
509: }
510: return undef;
511: }
512:
513: sub get_from_queue {
514: my $result;
515: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
516: my $cnum=$env{'course.'.$cid.'.num'};
517: my $cdom=$env{'course.'.$cid.'.domain'};
518: my $todo;
519: # FIXME need to find if I am 'mid grading'
520: $todo=&find_mid_grade($symb,$cdom,$cnum);
521: &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo)));
522: if ($todo) { return $todo; }
523: while (1) {
524: my $starttime=time;
525: &Apache::lonnet::put('gradingqueue',{"$symb\0timestamp"=>$starttime},
526: $cdom,$cnum);
527: &Apache::lonnet::logthis("$starttime");
528: my $regexp="^$symb\0queue\0";
529: my %queue=&Apache::lonnet::dump('gradingqueue',$cdom,$cnum,$regexp);
530: #make a pass looking for a user in my section
531: if ($env{'request.course.sec'}) {
532: &Apache::lonnet::logthis("sce");
533: $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,
534: $cdom,$cnum);
535: &Apache::lonnet::logthis("sce $todo");
536: }
537: # no one in our section so look for any user that is ready for grading
538: if (!$todo) {
539: &Apache::lonnet::logthis("no sce");
540: $todo=&pick_from_queue_data($env{'request.course.sec'},\%queue,
541: $cdom,$cnum);
542: &Apache::lonnet::logthis("no sce $todo");
543: }
544: # no user to grade
545: if (!$todo) { last; }
546: &Apache::lonnet::logthis("got $todo");
547: # otherwise found someone so lets try to lock them
548: my $success=&Apache::lonnet::newput('gradingqueue',
549: {"$todo\0locked"=>
550: $env{'user.name'}.'@'.$env{'user.domain'}},
551: $cdom,$cnum);
552: # someone else already picked them
553: &Apache::lonnet::logthis("success $todo");
554: if ($success ne 'ok') { next; }
555: my (undef,$endtime)=
556: &Apache::lonnet::get('gradingqueue',["$symb\0timestamp"],
557: $cdom,$cnum);
558: &Apache::lonnet::logthis("emd $endtime");
559: # someone else already modified the queue,
560: # perhaps our picked user wass already fully graded between
561: # when we picked him and when we locked his record? so lets
562: # double check.
563: if ($endtime != $starttime) {
564: my ($key,$value)=
565: &Apache::lonnet::get('gradingqueue',["$todo"],
566: $cdom,$cnum);
567: &Apache::lonnet::logthis("check $key .. $value");
568: if ($key eq $todo && ref($value)) {
569: } else {
570: &Apache::lonnet::del('gradingqueue',["$todo\0locked"],
571: $cdom,$cnum);
572: &Apache::lonnet::logthis("del");
573: next;
574: }
575: }
576: &Apache::lonnet::logthis("last $todo");
577: last;
578: }
579: return $todo;
580: }
581:
582: sub start_ClosingParagraph {
583: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
584: my $result;
585: if ($target eq 'web') {
586: } elsif ($target eq 'webgrade') {
587: &Apache::lonxml::startredirection();
588: }
589: return $result;
590: }
591:
592: sub end_ClosingParagraph {
593: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
594: my $result;
595: if ($target eq 'web') {
596: } elsif ($target eq 'webgrade') {
597: &Apache::lonxml::endredirection();
598: }
599: return $result;
600: }
601:
602: sub get_id {
603: my ($parstack,$safeeval)=@_;
604: my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
605: if (!$id) { $id=$Apache::lonxml::curdepth; }
606: return $id;
607: }
608:
609: my %dimension;
610: sub start_Dimension {
611: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
612: undef(%dimension);
613: my $dim_id=&get_id($parstack,$safeeval);
614: $Apache::bridgetask::dimension=$dim_id;
615: push(@Apache::bridgetask::dimensionlist,$dim_id);
616: undef(@Apache::bridgetask::instance);
617: $Apache::bridgetask::dimensionmandatory{$dim_id}=
618: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
619: return '';
620: }
621:
622: sub get_instance {
623: #FIXME just grabbing the first one for now, need
624: #to randomly pick one until all have been seen
625: #then start repicking
626: &Apache::response::pushrandomnumber();
627: my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
628: return $order[0];
629: }
630:
631: {
632: my $last_link;
633: sub end_Dimension {
634: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
635: my $result;
636: my $dim=&get_id($parstack,$safeeval);
637: my $instance=&get_instance();
638: my $version=&get_version();
639: if ($target eq 'web') {
640: $result=$dimension{'intro'}.$dimension{$instance.'.text'};
641: if ($Apache::lonhomework::history{'resource.$version.status'} eq 'pass' ||
642: $Apache::lonhomework::history{'resource.$version.status'} eq 'fail') {
643: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
644: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
645: my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
646: $result.='<table border="1"><tr><td>';
647: if ($status eq 'fail') {
648: $result.='<font color="red">'.&mt('Did not pass').'</font>';
649: } elsif ($status eq 'pass') {
650: $result.='<font color="green">'.&mt('Passed').'</font>';
651: } else {
652: &Apache::lonxml::error("Student viewing a graded bridgetask was show a status of $status");
653: }
654: $result.='</td></tr><tr><td>';
655: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
656: $result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>';
657: }
658: $result.=$dimension{$instance.'.criteria.'.$id}.
659: '</td></tr></table>';
660: }
661: }
662: } elsif ($target eq 'webgrade') {
663: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
664: my $link='criteria_'.$instance.'_'.$id;
665: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
666: $result.='<tr><td width="100%" valign="top">'.
667: '<a name="'.$link.'" />'.
668: '<a name="next_'.$last_link.'" />'.
669: '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'.$dimension{$instance.'.criteria.'.$id}.'</textarea>'.
670: #$dimension{$instance.'.criteria.'.$id}.
671: '</td>'.
672: '<td><nobr>Additional Comment for Student</nobr> <br />'.
673: '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.
674: '</td>'.
675: '<td>'.
676: '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>Ungraded</label></nobr><br />'.
677: '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />Pass</label><br />'.
678: '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />Fail</label><br />'.
679: '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />Review</label><br />'.
680: '</td>'.
681: '<td>'.
682: '<a href="#'.$last_link.'">Prev</a><br />'.
683: '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
684: '<input type="submit" name="next" value="'.
685: &mt('Done').'" /> '.
686: '</td></tr>';
687: $result.='<tr><td colspan="4">';
688: my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
689: my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
690: foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.bridgetask.portfiles"})) {
691: my $file=$file_url.$partial_file;
692: &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
693: $result.='<a href="'.$file.'" target="lonGRDs"><img src="'.
694: &Apache::loncommon::icon($file).'" border=0"> '.$file.
695: '</a>';
696: }
697: $result.='</td></tr>';
698: $last_link=$link;
699: }
700: } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
701: my $optional_passed=0;
702: my $mandatory_failed=0;
703: my $ungraded=0;
704: my $review=0;
705: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
706: my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
707: $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
708: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
709: if ($status eq 'pass') {
710: if (!$mandatory) { $optional_passed++; }
711: } elsif ($status eq 'fail') {
712: if ($mandatory) { $mandatory_failed++; }
713: } elsif ($status eq 'review') {
714: $review++;
715: } elsif ($status eq 'ungraded') {
716: $ungraded++;
717: } else {
718: &Apache::lonxml::error("got weird status --$status--");
719: }
720: }
721: if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
722: $mandatory_failed++;
723: }
724: &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
725: if ($review) {
726: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
727: 'review';
728: } elsif ($ungraded) {
729: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
730: 'ungraded';
731: } elsif ($mandatory_failed) {
732: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
733: 'fail';
734: } else {
735: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
736: 'pass';
737: }
738: }
739: return $result;
740: }
741: }
742:
743: sub start_IntroParagraph {
744: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
745: my $result;
746: if ($target eq 'web' || $target eq 'webgrade') {
747: if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
748: &Apache::lonxml::startredirection();
749: }
750: }
751: return $result;
752: }
753:
754: sub end_IntroParagraph {
755: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
756: my $result;
757: if ($target eq 'web' || $target eq 'webgrade') {
758: if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {
759: $dimension{'intro'}=&Apache::lonxml::endredirection();
760: }
761: }
762: return $result;
763: }
764:
765: sub start_Instance {
766: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
767: my $id=&get_id($parstack,$safeeval);
768: push(@{$dimension{'instances'}},$id);
769: push(@Apache::bridgetask::instance,$id);
770: push(@Apache::bridgetask::instancelist,$id);
771: $dimension{$id.'.optionalrequired'}=
772: &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
773: return '';
774: }
775:
776: sub end_Instance {
777: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
778: return '';
779: }
780:
781: sub start_InstanceText {
782: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
783: if ($target eq 'web' || $target eq 'webgrade') {
784: &Apache::lonxml::startredirection();
785: }
786: return '';
787: }
788:
789: sub end_InstanceText {
790: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
791: my $instance_id=$Apache::bridgetask::instance[-1];
792: if ($target eq 'web' || $target eq 'webgrade') {
793: $dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection();
794: }
795: return '';
796: }
797:
798: sub start_Criteria {
799: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
800: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
801: &Apache::lonxml::startredirection();
802: }
803: return '';
804: }
805:
806: sub end_Criteria {
807: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
808: my $instance_id=$Apache::bridgetask::instance[-1];
809: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
810: my $criteria=&Apache::lonxml::endredirection();
811: my $id=&get_id($parstack,$safeeval);
812: $dimension{$instance_id.'.criteria.'.$id}=$criteria;
813: $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
814: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
815: push(@{$dimension{$instance_id.'.criterias'}},$id);
816: }
817: return '';
818: }
819:
820: sub proctor_validation_screen {
821: my ($slot) = @_;
822: my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
823: my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
824: $user=$env{'form.proctorname'};
825: if ($env{'form.proctordomain'}) { $domain=$env{'form.proctordomain'}; }
826: my $msg;
827: if ($env{'form.proctorpassword'}) {
828: $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
829: .'</font></p>';
830: }
831: my $result= (<<ENDCHECKOUT);
832: <h2>Proctor Validation</h2>
833: <p>Your room's proctor needs to validate your access to this resource.</p>
834: $msg
835: <form name="checkout" method="POST" action="$env{'request.uri'}">
836: <input type="hidden" name="validate" value="yes" />
837: <input type="hidden" name="submitted" value="yes" />
838: <table>
839: <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$user" /></td></tr>
840: <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
841: <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$domain" /></td></tr>
842: </table>
843: <input type="submit" name="checkoutbutton" value="Validate" /><br />
844: Student who should be logged in is:<br />
845: <img src="$url" /><br />
846: </form>
847: ENDCHECKOUT
848: return $result;
849: }
850:
851: 1;
852: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to bridgetask.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework