1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
3: #
4: # $Id: bridgetask.pm,v 1.51 2005/09/20 07:14:23 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 Apache::slotrequest();
40: use Time::HiRes qw( gettimeofday tv_interval );
41:
42: BEGIN {
43: &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
44: }
45:
46: sub initialize_bridgetask {
47: # id of current Dimension, 0 means that no dimension is current
48: # (inside <Task> only)
49: $Apache::bridgetask::dimension='';
50: # list of all Dimension ids seen
51: @Apache::bridgetask::dimensionlist=();
52: # mandatory attribute of all Dimensions seen
53: %Apache::bridgetask::dimensionmandatory=();
54: # list of all current Instance ids
55: @Apache::bridgetask::instance=();
56: # list of all Instance ids seen in this problem
57: @Apache::bridgetask::instancelist=();
58: # key of queud user data that we are currently grading
59: $Apache::bridgetask::queue_key='';
60: }
61:
62: sub proctor_check_auth {
63: my ($slot_name,$slot)=@_;
64: my $user=$env{'form.proctorname'};
65: my $domain=$env{'form.proctordomain'};
66:
67: my @allowed=split(",",$slot->{'proctor'});
68: foreach my $possible (@allowed) {
69: my ($puser,$pdom)=(split('@',$possible));
70: if ($puser eq $user && $pdom eq $domain) {
71: my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
72: if ($authhost ne 'no_host') {
73: my $version=
74: $Apache::lonhomework::results{'resource.version'}=
75: ++$Apache::lonhomework::history{'resource.version'};
76: $Apache::lonhomework::results{"resource.$version.checkedin"}=
77: $user.'@'.$domain;
78: $Apache::lonhomework::results{"resource.$version.checkedin.slot"}=
79: $slot_name;
80: foreach my $key (keys(%Apache::lonhomework::history)) {
81: if ($key=~/^resource\.0\./) {
82: $Apache::lonhomework::results{$key}='';
83: }
84: }
85: return 1;
86: }
87: }
88: }
89: return 0;
90: }
91:
92: sub get_version {
93: my ($version,$previous);
94: if ($env{'form.previousversion'} &&
95: $env{'form.previousversion'} ne 'current' &&
96: defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {
97: $version=$env{'form.previousversion'};
98: $previous=1;
99: } else {
100: $version=$Apache::lonhomework::history{'resource.version'};
101: $previous=0;
102: }
103: if (wantarray) {
104: return ($version,$previous);
105: }
106: return $version;
107: }
108:
109: sub add_previous_version_button {
110: my ($status)=@_;
111: my $result;
112: if ($Apache::lonhomework::history{'resource.version'} eq '') {
113: return '';
114: }
115: if ($Apache::lonhomework::history{'resource.version'} < 2 &&
116: $status ne 'NEEDS_CHECKIN') {
117: return '';
118: }
119: my $version=&get_version();
120: if ($env{'form.previousversion'} ne '' &&
121: $env{'form.previousversion'} eq $version) {
122: $result.="<h3>".&mt("Showing previous version [_1]",$version).
123: "</h3>\n";
124: }
125: my @to_show;
126: foreach my $test_version (1..$Apache::lonhomework::history{'resource.version'}) {
127: if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.status'})) {
128: push(@to_show,$test_version);
129: }
130: }
131: my $list='<option>'.
132: join("</option>\n<option>",@to_show).
133: "</option>\n";
134: $list.='<option value="current">'.&mt('Current').'</option>';
135: $result.='<form name="getprevious" method="POST" action="';
136: my $uri=$env{'request.uri'};
137: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
138: $result.=$uri.'">'.
139: &mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
140: <option>'.&mt('Pick one').'</option>
141: '.$list.'
142: </select>')."</form>";
143: return $result;
144: }
145:
146: sub add_grading_button {
147: my $result=' <input type="submit" name="gradeasubmission" value="'.
148: &mt("Get a submission to grade").'" />';
149: $result.='<input type="hidden" name="grade_target" value="webgrade" />';
150: if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
151: my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
152: $result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
153:
154: $result.=' <input type="submit" name="reviewagrading" value="'.
155: &mt("Select an entry from the grading queue").'" /> </p>'."\n";
156:
157: ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
158: $result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
159: $result.=' <input type="submit" name="reviewasubmission" value="'.
160: &mt("Select an entry from the review queue").'" /> </p>'."\n";
161: $result.=' <input type="submit" name="regradeasubmission" value="'.
162: &mt("Select a user to regrade.").'" /> </p>'."\n";
163: }
164: return $result;
165: }
166:
167: sub add_request_another_attempt_button {
168: my ($text)=@_;
169: if (!$text) { $text="Request another attempt"; }
170: my $result;
171: my $symb=&Apache::lonnet::symbread();
172: my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
173: my $action='get_reservation';
174: if ($slot_name) {
175: $text="Change reservation.";
176: $action='change_reservation';
177: my $description=&Apache::slotrequest::get_description($slot_name,
178: $slot);
179: $result.=(<<STUFF);
180: <p> Will be next available: $description </p>
181: STUFF
182: }
183:
184: if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
185: $symb=&Apache::lonnet::escape($symb);
186: $result.='<form method="POST" action="/adm/slotrequest">'.
187: '<input type="hidden" name="symb" value="'.$symb.'" />'.
188: '<input type="hidden" name="command" value="'.$action.'" />'.
189: '<input type="submit" name="requestattempt" value="'.
190: &mt($text).'" />'.
191: '</form>';
192: return $result;
193: }
194:
195: sub preserve_grade_info {
196: my $result;
197: # if we are viewing someone else preserve that info
198: if (defined $env{'form.grade_symb'}) {
199: foreach my $field ('symb','courseid','domain','username') {
200: $result .= '<input type="hidden" name="grade_'.$field.
201: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
202: }
203: }
204: return $result;
205: }
206:
207: sub start_Task {
208: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
209:
210: my ($status,$accessmsg,$slot);
211: if ($target ne 'webgrade') {
212: &Apache::structuretags::initialize_storage();
213: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
214: }
215:
216: $Apache::lonhomework::parsing_a_task=1;
217: #should get back a <html> or the neccesary stuff to start XML/MathML
218: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
219: &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
220:
221: if ($target eq 'web') {
222: if ($Apache::lonhomework::modifygrades) {
223: $body_tag_start.='<form name="gradesubmission" method="POST" action="';
224: my $uri=$env{'request.uri'};
225: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
226: $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
227: my $symb=&Apache::lonnet::symbread();
228: if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
229: $body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
230: '<input type="hidden" name="symb" value="'.$symb.'" />'.
231: '<input type="hidden" name="command" value="showslots" />'.
232: '<input type="submit" name="requestattempt" value="'.
233: &mt('Show Slot list').'" />'.
234: '</form>';
235: }
236: }
237: }
238: if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
239: $target eq 'tex') {
240: my ($version,$previous)=&get_version();
241: ($status,$accessmsg,my $slot_name,$slot) =
242: &Apache::lonhomework::check_task_access('0');
243: push(@Apache::inputtags::status,$status);
244: $Apache::inputtags::slot_name=$slot_name;
245: my $expression='$external::datestatus="'.$status.'";';
246: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";';
247: &Apache::run::run($expression,$safeeval);
248: &Apache::lonxml::debug("Got $status");
249: $body_tag_start.=&add_previous_version_button($status);
250: if (!$previous && (
251: ( $status eq 'CLOSED' ) ||
252: ( $status eq 'BANNED') ||
253: ( $status eq 'UNAVAILABLE') ||
254: ( $status eq 'NOT_IN_A_SLOT') ||
255: ( $status eq 'NEEDS_CHECKIN') ||
256: ( $status eq 'WAITING_FOR_GRADE') ||
257: ( $status eq 'INVALID_ACCESS') )) {
258: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
259: if ( $target eq "web" ) {
260: $result.= $head_tag_start.'</head>'.$body_tag_start;
261: my $msg;
262: if ($status eq 'UNAVAILABLE') {
263: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
264: } elsif ($status eq 'NOT_IN_A_SLOT') {
265: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
266: $msg.=&add_request_another_attempt_button("Sign up for time to work.");
267: } elsif ($status eq 'NEEDS_CHECKIN') {
268: $msg.='<h1>'.&mt('You need the Proctor to validate you.').
269: '</h1>'.&proctor_validation_screen($slot);
270: } elsif ($status eq 'WAITING_FOR_GRADE') {
271: $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
272: } elsif ($status ne 'NOT_YET_VIEWED') {
273: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
274: }
275: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
276: $msg.='The problem '.$accessmsg;
277: }
278: $result.=$msg.'<br />';
279: } elsif ($target eq 'tex') {
280: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
281: if ($status eq 'UNAVAILABLE') {
282: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
283: } else {
284: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
285: }
286: } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
287: if ($status eq 'NEEDS_CHECKIN') {
288: &proctor_check_auth($slot_name,$slot);
289: }
290: }
291: } elsif ($target eq 'web') {
292: my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
293: $result.="$head_tag_start<title>$name</title></head>
294: $body_tag_start \n";
295:
296: my ($version,$previous)=&get_version();
297: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
298: $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';
299: if (!$previous) {
300: $result.=&add_request_another_attempt_button();
301: }
302: }
303: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {
304: $result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';
305: }
306: $result.=$form_tag_start.
307: '<input type="hidden" name="submitted" value="yes" />';
308: $result.=&preserve_grade_info();
309:
310: }
311: } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
312: $target eq 'webgrade') {
313: my $webgrade='yes';
314: if ($target eq 'webgrade') {
315: $result.=$head_tag_start.$body_tag_start;
316: #$result.='<br />Review'.&show_queue('reviewqueue');
317: #$result.='<br />Grade'.&show_queue('gradingqueue');
318: }
319: # FIXME Blast! still need to reorg this, need to reshow the
320: # queue being reviewed once done with the grade pass...
321: # Hrrm, vaildation pass should perhaps say 'not_locked'
322: # perhaps do a search if there is a key that is mine and if
323: # there isn't reshow the queue....
324: my ($todo,$status_code)=&get_key_todo($target);
325:
326: &Apache::lonnet::logthis("got todo -$todo- stat -$status_code-");
327: if ($todo) {
328: &setup_env_for_other_user($todo,$safeeval);
329: my ($symb,$uname,$udom)=&decode_queue_key($todo);
330: $result.="\n".'<table><tr><td>Found '.
331: &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
332: $form_tag_start.=
333: '<input type="hidden" name="gradingkey" value="'.
334: &Apache::lonnet::escape($todo).'" />';
335: $Apache::bridgetask::queue_key=$todo;
336: &Apache::structuretags::initialize_storage();
337: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
338: if ($target eq 'webgrade') {
339: #$result.='<br />After -'.&show_queue($env{'form.queue'});
340: $result.="\n".'<table width="100%" style="width:100%" border="1">';
341: if ($status_code eq 'selected') {
342: $form_tag_start.=
343: '<input type="hidden" name="queuemode" value="selected" />';
344: }
345: }
346: } else {
347: if ($target eq 'webgrade') {
348: $result.="\n";
349: if ($status_code eq 'stop') {
350: $result.='<b>'.&mt("Stopped grading.").'</b>';
351: } elsif ($status_code eq 'lock_failed') {
352: $result.='<b>'.&mt("Failed to lock the request record.").'</b>';
353: } elsif ($status_code eq 'unlock') {
354: $result.='<b>'.&mt("Unlocked the requested record.").'</b>';
355: $result.=&show_queue($env{'form.queue'},1);
356: } elsif ($status_code eq 'show_list') {
357: $result.=&show_queue($env{'form.queue'},1);
358: } elsif ($status_code eq 'select_user') {
359: $result.=&select_user();
360: } else {
361: $result.='<b>'.&mt("No user to be graded.").'</b>';
362: }
363: }
364: $webgrade='no';
365: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
366: }
367: if ($target eq 'webgrade' && defined($env{'form.queue'})) {
368: $result.=$form_tag_start;
369: $result.='<input type="hidden" name="webgrade" value="'.
370: $webgrade.'" />';
371: $result.='<input type="hidden" name="queue" value="'.
372: $env{'form.queue'}.'" />';
373: }
374: } else {
375: # page_start returned a starting result, delete it if we don't need it
376: $result = '';
377: }
378: return $result;
379: }
380:
381: sub get_key_todo {
382: my ($target)=@_;
383: my $todo;
384:
385: if (defined($env{'form.reviewasubmission'})) {
386: &Apache::lonnet::logthis("review a submission....");
387: $env{'form.queue'}='reviewqueue';
388: return (undef,'show_list');
389: }
390:
391: if (defined($env{'form.reviewagrading'})) {
392: &Apache::lonxml::debug("review a grading....");
393: $env{'form.queue'}='gradingqueue';
394: return (undef,'show_list');
395: }
396:
397: if (defined($env{'form.regradeasubmission'})) {
398: &Apache::lonxml::debug("regrade a grading....");
399: $env{'form.queue'}='none';
400: return (undef,'select_user');
401: }
402:
403: my $queue=$env{'form.queue'};
404:
405: if (!defined($queue)) {
406: $env{'form.queue'}=$queue='gradingqueue';
407: }
408:
409: my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
410:
411: if ($env{'form.queue'} eq 'none') {
412: if (defined($env{'form.gradingkey'})) {
413: if ($target eq 'webgrade') {
414: if ($env{'form.stop'}) {
415: return (undef,'stop');
416: } elsif ($env{'form.next'}) {
417: return (undef,'show_list');
418: }
419: }
420: return ($gradingkey,'selected');
421: } else {
422: return (undef,'show_list');
423: }
424: }
425: if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
426: && !defined($env{'form.gradingaction'})
427: && $env{'form.queuemode'} eq 'selected') {
428:
429: my $who=&queue_key_locked($queue,$gradingkey);
430: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
431: if ($who eq $me) {
432: &Apache::lonxml::debug("Found a key was given to me");
433: return ($gradingkey,'selected');
434: } else {
435: return (undef,'show_list');
436: }
437:
438: }
439:
440: if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
441: if ($env{'form.gradingaction'} eq 'resume') {
442: delete($env{'form.gradingaction'});
443: &Apache::lonxml::debug("Resuming a key");
444: return ($gradingkey);
445: } elsif ($env{'form.gradingaction'} eq 'unlock') {
446: &Apache::lonxml::debug("Unlocking a key ".
447: &check_queue_unlock($queue,$gradingkey,1));
448: return (undef,'unlock');
449: } elsif ($env{'form.gradingaction'} eq 'select') {
450: &Apache::lonxml::debug("Locking a key");
451: if (&lock_key($queue,$gradingkey)) {
452: &Apache::lonxml::debug("Success $queue");
453: return ($gradingkey);
454: }
455: &Apache::lonxml::debug("Failed $queue");
456: return (undef,'lock_failed');
457: }
458: }
459:
460: if ($env{'form.queuemode'} ne 'selected') {
461: # don't get something new from the queue if they hit the stop button
462: if (!($env{'form.stop'} && $target eq 'webgrade')
463: && !$env{'form.gradingaction'}) {
464: &Apache::lonxml::debug("Getting anew $queue");
465: return (&get_from_queue($queue));
466: } else {
467: return (undef,'stop');
468: }
469: }
470: return (undef,undef)
471: }
472:
473: sub end_Task {
474: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
475: my $result='';
476: my $status=$Apache::inputtags::status['-1'];
477: my ($version,$previous)=&get_version();
478: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
479: $target eq 'tex') {
480: if (
481: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
482: ($target eq 'answer') || ($target eq 'tex')
483: ) {
484: if ($target eq 'web') {
485: if ($status eq 'CAN_ANSWER' && !$previous) {
486: $result.="\n".'<table border="1">'.
487: &Apache::inputtags::file_selector("$version.0",
488: "bridgetask","*",
489: 'portfolioonly',
490: '
491: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
492: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
493: "</table>";
494: $result.=&Apache::inputtags::gradestatus('0');
495: }
496: }
497: if ($target eq 'web' || $target eq 'webgrade') {
498: $result.=&Apache::lonxml::xmlend().'</html>';
499: }
500: }
501: if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
502: my $award='SUBMITTED';
503: &Apache::essayresponse::file_submission("$version.0",'bridgetask',
504: 'portfiles',\$award);
505: if ($award eq 'SUBMITTED' &&
506: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
507: $Apache::lonhomework::results{"resource.0.tries"}=
508: $Apache::lonhomework::results{"resource.$version.0.tries"}=
509: 1+$Apache::lonhomework::history{"resource.$version.0.tries"};
510:
511: $Apache::lonhomework::results{"resource.0.award"}=
512: $Apache::lonhomework::results{"resource.$version.0.award"}=
513: $award;
514: $Apache::lonhomework::results{"resource.0.submission"}=
515: $Apache::lonhomework::results{"resource.$version.0.submission"}='';
516: }
517: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
518: &Apache::structuretags::finalize_storage();
519: if ($award eq 'SUBMITTED') {
520: &add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
521: }
522: }
523: if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
524: my $optional_required=
525: &Apache::lonxml::get_param('OptionalRequired',$parstack,
526: $safeeval);
527: my $optional_passed=0;
528: my $mandatory_failed=0;
529: my $ungraded=0;
530: my $review=0;
531: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
532: foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
533: my $status=
534: $Apache::lonhomework::results{"resource.$version.$dim_id.status"};
535: my $mandatory=
536: ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
537: if ($status eq 'pass') {
538: if (!$mandatory) { $optional_passed++; }
539: } elsif ($status eq 'fail') {
540: if ($mandatory) { $mandatory_failed++; }
541: } elsif ($status eq 'ungraded') {
542: $ungraded++;
543: } elsif ($status eq 'review') {
544: $review++;
545: } else {
546: $ungraded++;
547: }
548: }
549: if ($optional_passed < $optional_required) {
550: $mandatory_failed++;
551: }
552: &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
553: $Apache::lonhomework::results{'resource.grader'}=
554: $env{'user.name'}.'@'.$env{'user.domain'};
555: if ($review) {
556: $Apache::lonhomework::results{"resource.$version.status"}='review';
557: if ($env{'form.queue'} eq 'reviewqueue') {
558: &check_queue_unlock($env{'form.queue'});
559: &Apache::lonxml::debug(" still needs review not changing status.");
560: } else {
561: &move_between_queues($env{'form.queue'},'reviewqueue');
562: }
563: } elsif ($ungraded) {
564: $Apache::lonhomework::results{"resource.$version.status"}='ungraded';
565: if ($env{'form.queue'} eq 'reviewqueue' ||
566: $env{'form.queue'} eq 'none' ) {
567: &Apache::lonxml::debug("moving back.");
568: &move_between_queues($env{'form.queue'},'gradingqueue');
569: } else {
570: &check_queue_unlock($env{'form.queue'});
571: }
572: } elsif ($mandatory_failed) {
573: $Apache::lonhomework::results{"resource.$version.status"}='fail';
574: $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
575: $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
576: $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
577: &remove_from_queue($env{'form.queue'});
578:
579: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
580: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
581: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
582: &Apache::grades::version_portfiles(
583: \%Apache::lonhomework::results,
584: ["$version.0.bridgetask"],$courseid,
585: $symb,$udom,$uname,
586: ["$version.0.bridgetask"]);
587: } else {
588: $Apache::lonhomework::results{"resource.$version.status"}='pass';
589: $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
590: $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
591: $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
592: &remove_from_queue($env{'form.queue'});
593:
594: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
595: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
596: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
597: &Apache::grades::version_portfiles(
598: \%Apache::lonhomework::results,
599: ["$version.0.bridgetask"],$courseid,
600: $symb,$udom,$uname,
601: ["$version.0.bridgetask"]);
602: }
603: $Apache::lonhomework::results{"resource.status"}=
604: $Apache::lonhomework::results{"resource.$version.status"};
605: if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
606: $Apache::lonhomework::results{"resource.0.award"}=
607: $Apache::lonhomework::results{"resource.$version.0.award"};
608: $Apache::lonhomework::results{"resource.0.awarded"}=
609: $Apache::lonhomework::results{"resource.$version.0.awarded"};
610: $Apache::lonhomework::results{"resource.0.solved"}=
611: $Apache::lonhomework::results{"resource.$version.0.solved"};
612: }
613: &Apache::structuretags::finalize_storage();
614: }
615: } elsif ($target eq 'webgrade') {
616: $result.="</table>\n<hr />";
617: #$result.='<input type="submit" name="next" value="'.
618: # &mt('Save & Next').'" /> ';
619: #$result.='<input type="submit" name="end" value="'.
620: # &mt('Save & Stop Grading').'" /> ';
621: #$result.='<input type="submit" name="throwaway" value="'.
622: # &mt('Throw Away & Stop Grading').'" /> ';
623: #$result.='<input type="submit" name="save" value="'.
624: # &mt('Save Partial Grade and Continue Grading').'" /> ';
625: $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
626: } elsif ($target eq 'meta') {
627: $result.='<parameter part="0" package="Task"></parameter>'."\n";
628: #$result.=&Apache::response::meta_part_order();
629: #$result.=&Apache::response::meta_response_order();
630: }
631: undef($Apache::lonhomework::parsing_a_task);
632: return $result;
633: }
634:
635: sub move_between_queues {
636: my ($src_queue,$dest_queue)=@_;
637: my $cur_data;
638: if ($src_queue ne 'none') {
639: $cur_data=&get_queue_data($src_queue);
640: if (!$cur_data) { return 'not_exist'; }
641: } else {
642: $cur_data = ['none'];
643: }
644: my $result=&add_to_queue($dest_queue,$cur_data->[0]);
645: if ($result ne 'ok') {
646: return $result;
647: }
648: &check_queue_unlock($src_queue);
649: return &remove_from_queue($src_queue);
650: }
651:
652: sub check_queue_unlock {
653: my ($queue,$key,$allow_not_me)=@_;
654: if ($queue eq 'none') { return 'ok'; }
655: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
656: if (!defined($key)) {
657: $key="$symb\0queue\0$uname\@$udom";
658: }
659: my $cnum=$env{'course.'.$cid.'.num'};
660: my $cdom=$env{'course.'.$cid.'.domain'};
661: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
662: my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
663: if ($who eq $me) {
664: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
665: } elsif ($allow_not_me) {
666: &Apache::lonxml::debug("unlocking $who by $me");
667: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
668: }
669: return 'not_owner';
670: }
671:
672: sub remove_from_queue {
673: my ($queue)=@_;
674: if ($queue eq 'none') { return 'ok'; }
675: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
676: my $cnum=$env{'course.'.$cid.'.num'};
677: my $cdom=$env{'course.'.$cid.'.domain'};
678: my $key="$symb\0queue\0$uname\@$udom";
679: my @keys=($key,"$key\0locked");
680: return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
681: }
682:
683: sub setup_env_for_other_user {
684: my ($queue_key,$safeeval)=@_;
685: my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
686: &Apache::lonxml::debug("setup_env for $queue_key");
687: $env{'form.grade_symb'}=$symb;
688: $env{'form.grade_domain'}=$udom;
689: $env{'form.grade_username'}=$uname;
690: $env{'form.grade_courseid'}=$env{'request.course.id'};
691: &Apache::lonxml::initialize_rndseed($safeeval);
692: }
693:
694: sub get_queue_data {
695: my ($queue)=@_;
696: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
697: my $cnum=$env{'course.'.$cid.'.num'};
698: my $cdom=$env{'course.'.$cid.'.domain'};
699: my $todo="$symb\0queue\0$uname\@$udom";
700: my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
701: if ($key eq $todo && ref($value)) {
702: return $value;
703: }
704: return undef;
705: }
706:
707: sub check_queue_for_key {
708: my ($cid,$queue,$todo)=@_;
709: my $cnum=$env{'course.'.$cid.'.num'};
710: my $cdom=$env{'course.'.$cid.'.domain'};
711: my %results=
712: &Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
713:
714: if (exists($results{$todo}) && ref($results{$todo})) {
715: if (defined($results{"$todo\0locked"})) {
716: return 'locked';
717: }
718: return 'enqueued';
719: }
720: return undef;
721: }
722:
723: sub add_to_queue {
724: my ($queue,$slot_name)=@_;
725: if ($queue eq 'none') { return 'ok'; }
726: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
727: my $cnum=$env{'course.'.$cid.'.num'};
728: my $cdom=$env{'course.'.$cid.'.domain'};
729: my %data;
730: $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];
731: return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
732: }
733:
734: sub show_queue {
735: my ($queue,$with_selects)=@_;
736: my $result;
737: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
738: my $cnum=$env{'course.'.$cid.'.num'};
739: my $cdom=$env{'course.'.$cid.'.domain'};
740: my $regexp="^$symb\0";
741: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
742: my ($tmp)=%queue;
743: if ($tmp=~/^error: 2 /) {
744: return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
745: }
746: $result.="\n<h3>Current Queue - $queue </h3><table border='1'><tr>";
747: if ($with_selects) { $result.="<th></th>"; }
748: $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
749: foreach my $key (sort(keys(%queue))) {
750: if ($key=~/locked$/ && !$with_selects) {
751: my ($symb,$uname,$udom) = &decode_queue_key($key);
752: my $title=&Apache::lonnet::gettitle($symb);
753: $result.="<tr><td>$title</td><td>$uname</td>";
754: $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
755: } elsif ($key=~/timestamp$/ && !$with_selects) {
756: my ($symb,undef) = split("\0",$key);
757: my $title=&Apache::lonnet::gettitle($symb);
758: $result.="<tr><td>$title</td><td></td>";
759: $result.='<td>last queue modification time</td><td>'.
760: &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
761: } elsif ($key!~/(timestamp|locked)$/) {
762: my ($symb,$uname,$udom) = &decode_queue_key($key);
763: my $title=&Apache::lonnet::gettitle($symb);
764: $result.="<tr>";
765: my $slot=$queue{$key}->[0];
766: my %slot_data=&Apache::lonnet::get_slot($slot);
767: if ($with_selects) {
768: my $ekey=&Apache::lonnet::escape($key);
769: my ($action,$description)=('select',&mt('Select'));
770: if (exists($queue{"$key\0locked"})) {
771: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
772: if ($me eq $queue{"$key\0locked"}) {
773: ($action,$description)=('resume',&mt('Resume'));
774: } else {
775: ($action,$description)=('unlock',&mt('Unlock'));
776: }
777: }
778: if (time > $slot_data{'endtime'}) {
779: $result.=(<<FORM);
780: <td>
781: <form method="POST">
782: <input type="hidden" name="gradingkey" value="$ekey" />
783: <input type="hidden" name="queue" value="$queue" />
784: <input type="hidden" name="gradingaction" value="$action" />
785: <input type="hidden" name="webgrade" value="no" />
786: <input type="hidden" name="queuemode" value="selected" />
787: <input type="submit" name="submit" value="$description" />
788: </form>
789: </td>
790: FORM
791:
792: } else {
793: $result.='<td>'.&mt("In Progress").'</td>'
794: }
795: }
796: $result.="<td>$title</td><td>$uname</td>";
797: $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
798: &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
799: "</td></tr>";
800: }
801: }
802: $result.="</table><hr />\n";
803: return $result;
804: }
805:
806: sub get_queue_counts {
807: my ($queue)=@_;
808: my $result;
809: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
810: my $cnum=$env{'course.'.$cid.'.num'};
811: my $cdom=$env{'course.'.$cid.'.domain'};
812: my $regexp="^$symb\0";
813: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
814: my ($tmp)=%queue;
815: if ($tmp=~/^error: 2 /) {
816: return (0,0,0);
817: }
818: my ($entries,$ready_to_grade,$locks)=(0,0,0);
819: foreach my $key (sort(keys(%queue))) {
820: if ($key=~/locked$/) {
821: $locks++;
822: } elsif ($key=~/timestamp$/) {
823: #ignore
824: } elsif ($key!~/(timestamp|locked)$/) {
825: my ($symb,$uname,$udom) = &decode_queue_key($key);
826: $entries++;
827: my $slot=$queue{$key}->[0];
828: my %slot_data=&Apache::lonnet::get_slot($slot);
829: if (time > $slot_data{'endtime'}) {
830: $ready_to_grade++;
831: }
832: }
833: }
834: return ($entries,$ready_to_grade,$locks);
835: }
836:
837: sub encode_queue_key {
838: my ($symb,$udom,$uname)=@_;
839: return "$symb\0queue\0$uname\@$udom";
840: }
841:
842: sub decode_queue_key {
843: my ($key)=@_;
844: my ($symb,undef,$user) = split("\0",$key);
845: my ($uname,$udom) = split('@',$user);
846: return ($symb,$uname,$udom);
847: }
848:
849: sub queue_key_locked {
850: my ($queue,$key,$cdom,$cnum)=@_;
851: if (!defined($cdom) || !defined($cnum)) {
852: my (undef,$cid)=&Apache::lonxml::whichuser();
853: $cnum=$env{'course.'.$cid.'.num'};
854: $cdom=$env{'course.'.$cid.'.domain'};
855: }
856: my ($key_locked,$value)=
857: &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
858: if ($key_locked eq "$key\0locked") {
859: return $value;
860: }
861: return undef;
862: }
863:
864: sub pick_from_queue_data {
865: my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
866: foreach my $key (keys(%$queuedata)) {
867: my ($symb,$uname,$udom)=&decode_queue_key($key);
868: if ($check_section) {
869: my $section=&Apache::lonnet::getsection($uname,$udom);
870: if ($section eq $check_section) {
871: &Apache::lonxml::debug("my sec");
872: next;
873: }
874: }
875: my $slot=$queuedata->{$key}[0];
876: my %slot_data=&Apache::lonnet::get_slot($slot);
877: if ($slot_data{'endtime'} > time) {
878: &Apache::lonxml::debug("not time");
879: next;
880: }
881: if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
882: &Apache::lonxml::debug("someone already has um.");
883: next;
884: }
885: return $key;
886: }
887: return undef;
888: }
889:
890: sub find_mid_grade {
891: my ($queue,$symb,$cdom,$cnum)=@_;
892: my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
893: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
894: if ($todo) {
895: my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
896: if ($who eq $me) { return $todo; }
897: }
898: my $regexp="^$symb\0.*\0locked\$";
899: my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
900: foreach my $key (keys(%locks)) {
901: my $who=$locks{$key};
902: if ($who eq $me) {
903: $todo=$key;
904: $todo=~s/\0locked$//;
905: return $todo;
906: }
907: }
908: return undef;
909: }
910:
911: sub lock_key {
912: my ($queue,$todo)=@_;
913: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
914: my (undef,$cid)=&Apache::lonxml::whichuser();
915: my $cnum=$env{'course.'.$cid.'.num'};
916: my $cdom=$env{'course.'.$cid.'.domain'};
917: my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
918: $cdom,$cnum);
919: &Apache::lonxml::debug("success $success $todo");
920: if ($success eq 'ok') {
921: return 1;
922: }
923: return 0;
924: }
925:
926: sub get_from_queue {
927: my ($queue)=@_;
928: my $result;
929: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
930: my $cnum=$env{'course.'.$cid.'.num'};
931: my $cdom=$env{'course.'.$cid.'.domain'};
932: my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
933: &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
934: if ($todo) { return $todo; }
935: while (1) {
936: my $starttime=time;
937: &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},
938: $cdom,$cnum);
939: &Apache::lonxml::debug("$starttime");
940: my $regexp="^$symb\0queue\0";
941: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
942: #make a pass looking for a user _not_ in my section
943: if ($env{'request.course.sec'}) {
944: &Apache::lonxml::debug("sce");
945: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
946: \%queue,$cdom,$cnum);
947: &Apache::lonxml::debug("sce $todo");
948: }
949: # no one _not_ in our section so look for any user that is
950: # ready for grading
951: if (!$todo) {
952: &Apache::lonxml::debug("no sce");
953: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
954: \%queue,$cdom,$cnum);
955: &Apache::lonxml::debug("no sce $todo");
956: }
957: # no user to grade
958: if (!$todo) { last; }
959: &Apache::lonxml::debug("got $todo");
960: # otherwise found someone so lets try to lock them
961: # unless someone else already picked them
962: if (!&lock_key($queue,$todo)) { next; }
963: my (undef,$endtime)=
964: &Apache::lonnet::get($queue,["$symb\0timestamp"],
965: $cdom,$cnum);
966: &Apache::lonxml::debug("emd $endtime");
967: # someone else already modified the queue,
968: # perhaps our picked user wass already fully graded between
969: # when we picked him and when we locked his record? so lets
970: # double check.
971: if ($endtime != $starttime) {
972: my ($key,$value)=
973: &Apache::lonnet::get($queue,["$todo"],
974: $cdom,$cnum);
975: &Apache::lonxml::debug("check $key .. $value");
976: if ($key eq $todo && ref($value)) {
977: } else {
978: &Apache::lonnet::del($queue,["$todo\0locked"],
979: $cdom,$cnum);
980: &Apache::lonxml::debug("del");
981: next;
982: }
983: }
984: &Apache::lonxml::debug("last $todo");
985: last;
986: }
987: return $todo;
988: }
989:
990: sub select_user {
991: my ($symb,$cid)=&Apache::lonxml::whichuser();
992: my $result.='<table border="1">';
993:
994: &Apache::grades::init_perm();
995: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all',);
996: &Apache::grades::reset_perm();
997:
998: foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
999: my ($uname,$udom) = split(/:/,$student);
1000: my %status = &get_student_status($symb,$cid,$udom,$uname);
1001: my $queue = 'none';
1002: if ($status{'reviewqueue'} eq 'enqueued') {
1003: $queue = 'reviewqueue';
1004: } elsif ($status{'gradingqueue'} eq 'enqueued') {
1005: $queue = 'gradingqueue';
1006: }
1007: my $todo =
1008: &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1009: $result.=<<RESULT;
1010: <tr>
1011: <td>
1012: <form method="POST">
1013: <input type="hidden" name="gradingkey" value="$todo" />
1014: <input type="hidden" name="queue" value="$queue" />
1015: <input type="hidden" name="webgrade" value="no" />
1016: <input type="submit" name="submit" value="Regrade" />
1017: </form>
1018: <td>$fullname->{$student}</td>
1019: <td>
1020: RESULT
1021:
1022: if ($status{'status'} eq 'pass') {
1023: $result .= '<font color="green">'.&mt('Passed').'</font>';
1024: } elsif ($status{'status'} eq 'fail') {
1025: $result .= '<font color="red">'.&mt('Failed').'</font>';
1026: } elsif ($status{'status'} eq 'review') {
1027: $result .= '<font color="blue">'.&mt('Under Review').'</font>';
1028: } elsif ($status{'status'} eq 'ungraded') {
1029: $result .= &mt('Ungraded');
1030: } elsif ($status{'status'} ne '') {
1031: $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
1032: } else {
1033: $result.=" ";
1034: }
1035: if ($status{'version'}) {
1036: $result .= ' '.&mt('Version').' '.$status{'version'};
1037: }
1038: $result.= '</td><td>';
1039: if ($status{'reviewqueue'} eq 'enqueued') {
1040: $result .= &mt('Awaiting Review');
1041: } elsif ($status{'reviewqueue'} eq 'locked') {
1042: $result .= &mt('Under Review');
1043: } elsif ($status{'gradingqueue'} eq 'enqueued') {
1044: $result .= &mt('Awaiting Grading');
1045: } elsif ($status{'gradingqueue'} eq 'locked') {
1046: $result .= &mt('Being Graded');
1047: } else {
1048: $result.=" ";
1049: }
1050: $result.= '</td></tr>';
1051: }
1052: $result.='</table>';
1053: return $result;
1054: }
1055:
1056: sub get_student_status {
1057: my ($symb,$cid,$udom,$uname)=@_;
1058: my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1059: $udom,$uname);
1060: my %status;
1061: $status{'status'}=$record{'resource.status'};
1062: $status{'version'}=$record{'resource.version'};
1063: $status{'grader'}=$record{'resource.grader'};
1064: $status{'reviewqueue'}=&check_queue_for_key($cid,'reviewqueue',
1065: &encode_queue_key($symb,$udom,$uname));
1066: $status{'gradingqueue'}=&check_queue_for_key($cid,'gradingqueue',
1067: &encode_queue_key($symb,$udom,$uname));
1068: return %status;
1069: }
1070:
1071: sub start_ClosingParagraph {
1072: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1073: my $result;
1074: if ($target eq 'web') {
1075: } elsif ($target eq 'webgrade') {
1076: &Apache::lonxml::startredirection();
1077: }
1078: return $result;
1079: }
1080:
1081: sub end_ClosingParagraph {
1082: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1083: my $result;
1084: if ($target eq 'web') {
1085: } elsif ($target eq 'webgrade') {
1086: &Apache::lonxml::endredirection();
1087: }
1088: return $result;
1089: }
1090:
1091: sub get_id {
1092: my ($parstack,$safeeval)=@_;
1093: my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
1094: if (!$id) { $id=$Apache::lonxml::curdepth; }
1095: return $id;
1096: }
1097:
1098: my %dimension;
1099: sub start_Dimension {
1100: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1101: undef(%dimension);
1102: my $dim_id=&get_id($parstack,$safeeval);
1103: $Apache::bridgetask::dimension=$dim_id;
1104: push(@Apache::bridgetask::dimensionlist,$dim_id);
1105: undef(@Apache::bridgetask::instance);
1106: $Apache::bridgetask::dimensionmandatory{$dim_id}=
1107: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1108: return '';
1109: }
1110:
1111: sub get_instance {
1112: &Apache::response::pushrandomnumber();
1113: my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
1114: my $num=@order;
1115: my $version=&get_version();
1116: my $which=($version-1)%$num;
1117: return $order[$which];
1118: }
1119:
1120: {
1121: my $last_link;
1122: sub end_Dimension {
1123: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1124: my $result;
1125: my $dim=&get_id($parstack,$safeeval);
1126: my $instance=&get_instance();
1127: my $version=&get_version();
1128: if ($target eq 'web') {
1129: @Apache::scripttag::parser_env = @_;
1130: $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1131: @Apache::scripttag::parser_env = @_;
1132: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1133: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
1134: $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
1135: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1136: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1137: my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
1138: $result.='<table border="1"><tr><td>';
1139: if ($status eq 'fail') {
1140: $result.='<font color="red">'.&mt('Did not pass').'</font>';
1141: } elsif ($status eq 'pass') {
1142: $result.='<font color="green">'.&mt('Passed').'</font>';
1143: } else {
1144: &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
1145: }
1146: $result.='</td></tr><tr><td>';
1147: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
1148: $result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>';
1149: }
1150: $result.=$dimension{$instance.'.criteria.'.$id}.
1151: '</td></tr></table>';
1152: }
1153: }
1154: } elsif ($target eq 'webgrade') {
1155: # in case of any side effects that we need
1156: @Apache::scripttag::parser_env = @_;
1157: &Apache::scripttag::xmlparse($dimension{'intro'});
1158: @Apache::scripttag::parser_env = @_;
1159: &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1160: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1161: my $link='criteria_'.$instance.'_'.$id;
1162: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1163: $result.='<tr><td width="100%" valign="top">'.
1164: '<a name="'.$link.'" />'.
1165: '<a name="next_'.$last_link.'" />'.
1166: '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
1167: @Apache::scripttag::parser_env = @_;
1168: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1169: $result.='</textarea>'.
1170: #$dimension{$instance.'.criteria.'.$id}.
1171: '</td>'.
1172: '<td><nobr>Additional Comment for Student</nobr> <br />'.
1173: '<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>'.
1174: '</td>'.
1175: '<td>'.
1176: '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
1177: '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
1178: '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
1179: '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
1180: '</td>'.
1181: '<td>'.
1182: '<a href="#'.$last_link.'">Prev</a><br />'.
1183: '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
1184: '<input type="submit" name="next" value="'.
1185: &mt('Done').'" /> '.
1186: '<input type="submit" name="stop" value="'.
1187: &mt('Stop').'" /> '.
1188: '</td></tr>';
1189: $result.='<tr><td colspan="4">';
1190: my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
1191: my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
1192: foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
1193: my $file=$file_url.$partial_file;
1194: &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1195: $result.='<nobr><a href="'.$file.'" target="lonGRDs"><img src="'.
1196: &Apache::loncommon::icon($file).'" border=0"> '.$file.
1197: '</a></nobr> ';
1198: }
1199: $result.='</td></tr>';
1200: $last_link=$link;
1201: }
1202: } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1203: my $optional_passed=0;
1204: my $mandatory_failed=0;
1205: my $ungraded=0;
1206: my $review=0;
1207: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1208: my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
1209: $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1210: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
1211: if ($status eq 'pass') {
1212: if (!$mandatory) { $optional_passed++; }
1213: } elsif ($status eq 'fail') {
1214: if ($mandatory) { $mandatory_failed++; }
1215: } elsif ($status eq 'review') {
1216: $review++;
1217: } elsif ($status eq 'ungraded') {
1218: $ungraded++;
1219: } else {
1220: $ungraded++;
1221: }
1222: }
1223: if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
1224: $mandatory_failed++;
1225: }
1226: &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1227: if ($review) {
1228: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1229: 'review';
1230: } elsif ($ungraded) {
1231: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1232: 'ungraded';
1233: } elsif ($mandatory_failed) {
1234: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1235: 'fail';
1236: } else {
1237: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1238: 'pass';
1239: }
1240: }
1241: return $result;
1242: }
1243: }
1244:
1245: sub start_IntroParagraph {
1246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1247: my $result;
1248: if ($target eq 'web' || $target eq 'webgrade') {
1249: if ($tagstack->[-2] eq 'Dimension') {
1250: $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser);
1251:
1252: } elsif ($target eq 'webgrade') {
1253: &Apache::lonxml::get_all_text('/introparagraph',$parser);
1254: }
1255:
1256: }
1257: return $result;
1258: }
1259:
1260: sub end_IntroParagraph {
1261: }
1262:
1263: sub start_Instance {
1264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1265: my $id=&get_id($parstack,$safeeval);
1266: push(@{$dimension{'instances'}},$id);
1267: push(@Apache::bridgetask::instance,$id);
1268: push(@Apache::bridgetask::instancelist,$id);
1269: $dimension{$id.'.optionalrequired'}=
1270: &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1271: return '';
1272: }
1273:
1274: sub end_Instance {
1275: }
1276:
1277: sub start_InstanceText {
1278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1279: my $instance_id=$Apache::bridgetask::instance[-1];
1280: my $text=&Apache::lonxml::get_all_text('/instancetext',$parser);
1281: if ($target eq 'web' || $target eq 'webgrade') {
1282: $dimension{$instance_id.'.text'}=$text;
1283: }
1284: return '';
1285: }
1286:
1287: sub end_InstanceText {
1288: return '';
1289: }
1290:
1291: sub start_Criteria {
1292: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1293: my $instance_id=$Apache::bridgetask::instance[-1];
1294: my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser);
1295: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1296: my $id=&get_id($parstack,$safeeval);
1297: $dimension{$instance_id.'.criteria.'.$id}=$criteria;
1298: $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
1299: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1300: push(@{$dimension{$instance_id.'.criterias'}},$id);
1301: }
1302: return '';
1303: }
1304:
1305: sub end_Criteria {
1306: }
1307:
1308: sub proctor_validation_screen {
1309: my ($slot) = @_;
1310: my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1311: my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1312: my $name=&Apache::loncommon::plainname($user,$domain);
1313:
1314: my $msg;
1315: if ($env{'form.proctorpassword'}) {
1316: $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
1317: .'</font></p>';
1318: }
1319: if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1320: my $result= (<<ENDCHECKOUT);
1321: <h2>Proctor Validation</h2>
1322: <p>Your room's proctor needs to validate your access to this resource.</p>
1323: $msg
1324: <form name="checkout" method="POST" action="$env{'request.uri'}">
1325: <input type="hidden" name="validate" value="yes" />
1326: <input type="hidden" name="submitted" value="yes" />
1327: <table>
1328: <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1329: <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1330: <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1331: </table>
1332: <input type="submit" name="checkoutbutton" value="Validate" /><br />
1333: <table border="1">
1334: <tr><td>
1335: <table>
1336: <tr><td colspan="2">Student who should be logged in is:</td></tr>
1337: <tr><td>Name:</td><td>$name</td></tr>
1338: <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1339: <tr><td>Usename</td><td>$user\@$domain</td></tr>
1340: <tr><td colspan="2"><img src="$url" /></td></tr>
1341: </table>
1342: </tr></td>
1343: </table>
1344: </form>
1345: ENDCHECKOUT
1346: return $result;
1347: }
1348:
1349: 1;
1350: __END__
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