1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
3: #
4: # $Id: bridgetask.pm,v 1.68 2005/10/05 20:24:59 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 $result;
144: }
145:
146: sub add_grading_button {
147: my (undef,$cid)=&Apache::lonxml::whichuser();
148: my $cnum=$env{'course.'.$cid.'.num'};
149: my $cdom=$env{'course.'.$cid.'.domain'};
150: my %sections;
151: my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
152: my $size=5;
153: if (scalar(keys(%sections)) < 3) {
154: $size=scalar(keys(%sections))+2;
155: }
156: my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";
157: $sec_select .= "<option value='all' selected='selected'>all</option>\n";
158: foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
159: $sec_select .= "<option name=\"$sec\">$sec</option>\n";
160: }
161: $sec_select .= "<option value='none'>none</option></select>\n";
162:
163: my $result=' <input type="submit" name="gradeasubmission" value="'.
164: &mt("Get a submission to grade").'" />';
165: $result.='<input type="hidden" name="grade_target" value="webgrade" />';
166: if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
167: my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
168: $result.='<p>Specify a section: '.$sec_select.'</p>';
169: $result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
170:
171: $result.=' <input type="submit" name="reviewagrading" value="'.
172: &mt("Select an entry from the grading queue").'" /> </p>'."\n";
173:
174: ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
175: $result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
176: $result.=' <input type="submit" name="reviewasubmission" value="'.
177: &mt("Select an entry from the review queue").'" /> </p>'."\n";
178: $result.=' <input type="submit" name="regradeasubmission" value="'.
179: &mt("Select a user to regrade.").'" /> </p>'."\n";
180: }
181: return $result;
182: }
183:
184: sub add_request_another_attempt_button {
185: my ($text)=@_;
186: if (!$text) { $text="Request another attempt"; }
187: my $result;
188: my $symb=&Apache::lonnet::symbread();
189: my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
190: my $action='get_reservation';
191: if ($slot_name) {
192: $text="Change reservation.";
193: $action='change_reservation';
194: my $description=&Apache::slotrequest::get_description($slot_name,
195: $slot);
196: $result.=(<<STUFF);
197: <p> Will be next available: $description </p>
198: STUFF
199: }
200:
201: if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
202: $symb=&Apache::lonnet::escape($symb);
203: $result.='<form method="POST" action="/adm/slotrequest">'.
204: '<input type="hidden" name="symb" value="'.$symb.'" />'.
205: '<input type="hidden" name="command" value="'.$action.'" />'.
206: '<input type="submit" name="requestattempt" value="'.
207: &mt($text).'" />'.
208: '</form>';
209: return $result;
210: }
211:
212: sub preserve_grade_info {
213: my $result;
214: # if we are viewing someone else preserve that info
215: if (defined $env{'form.grade_symb'}) {
216: foreach my $field ('symb','courseid','domain','username') {
217: $result .= '<input type="hidden" name="grade_'.$field.
218: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
219: }
220: }
221: return $result;
222: }
223:
224: sub style {
225: return (<<STYLE);
226: <style type="text/css">
227: .fail, .pass, .neutral {
228: position: relative;
229: margin : 5px;
230: margin-bottom :10px;
231: padding : 4px;
232: padding-left : 75px;
233: border : thin solid;
234: font-weight : bolder;
235: font-size: smaller;
236: font-family: Arial;
237: background-color : rgb(255,240,225);
238: }
239:
240: .fail h4, .pass h4 {
241: position:absolute;
242: left: -4px;
243: top: -8px;
244: padding:2px;
245: margin:0;
246: background-color : rgb(255,240,225);
247: border : thin solid;
248: }
249:
250: .fail {
251: color: red;
252: }
253:
254: .pass {
255: color : green;
256: }
257:
258: .neutral {
259: color : blue;
260: }
261:
262: .question {
263: border : thin solid black;
264: padding : 4px;
265: margin-bottom : 1em;
266: }
267:
268: .grade {
269: font-size: x-large;
270: font-family: Arial;
271: position:absolute;
272: left: 5px;
273: top: -5px;
274: width: 70px;
275: }
276:
277: div#feedback h1 {
278: color : inherit;
279: }
280: </style>
281: STYLE
282:
283: }
284:
285: sub show_task {
286: my ($status,$previous)=@_;
287: if (!$previous && (
288: ( $status eq 'CLOSED' ) ||
289: ( $status eq 'BANNED') ||
290: ( $status eq 'UNAVAILABLE') ||
291: ( $status eq 'NOT_IN_A_SLOT') ||
292: ( $status eq 'NEEDS_CHECKIN') ||
293: ( $status eq 'WAITING_FOR_GRADE') ||
294: ( $status eq 'INVALID_ACCESS') )) {
295: return 0;
296: }
297: if ($env{'form.donescreen'}) { return 0; }
298: return 1;
299: }
300:
301: sub internal_location {
302: my ($id)=@_;
303: return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
304: }
305:
306: sub submission_time_stamp {
307: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
308: my $submissiontime;
309: my $version=$Apache::lonhomework::history{'resource.version'};
310: for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
311: if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
312: $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
313: }
314: }
315: my $result;
316: if ($submissiontime) {
317: my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.checkedin.slot'};
318: my %slot=&Apache::lonnet::get_slot($slot_name);
319: my $diff = $slot{'endtime'} - $submissiontime;
320: my ($color,$when)=('red','after');
321: if ($diff > 0) { ($color,$when)=('green','before'); }
322: my $info;
323: if ($diff%60) { $info=($diff%60).' seconds'; }
324: $diff=int($diff/60);
325: if ($diff%60) { $info=($diff%60).' minutes '.$info; }
326: $diff=int($diff/60);
327: if ($diff) { $info=$diff.' hours '.$info; }
328: $result='<p><font color="'.$color.'">'.
329: &mt('Student submitted [_1] [_2] the deadline.
330: (Submission was at [_3], end of period was [_4].)',
331: $info,$when,scalar(localtime($submissiontime)),
332: scalar(localtime($slot{'endtime'}))).
333: '</font></p>';
334: }
335: return $result;
336: }
337:
338: sub start_Task {
339: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
340:
341: my ($status,$accessmsg,$slot);
342: if ($target ne 'webgrade') {
343: &Apache::structuretags::initialize_storage();
344: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
345: }
346:
347: $Apache::lonhomework::parsing_a_task=1;
348: #should get back a <html> or the neccesary stuff to start XML/MathML
349: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
350: &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
351:
352: if ($target eq 'web') {
353: if ($Apache::lonhomework::modifygrades) {
354: $body_tag_start.='<form name="gradesubmission" method="POST" action="';
355: my $uri=$env{'request.uri'};
356: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
357: $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
358: my $symb=&Apache::lonnet::symbread();
359: if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
360: $body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
361: '<input type="hidden" name="symb" value="'.$symb.'" />'.
362: '<input type="hidden" name="command" value="showslots" />'.
363: '<input type="submit" name="requestattempt" value="'.
364: &mt('Show Slot list').'" />'.
365: '</form>';
366: }
367: }
368: }
369: if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
370: $target eq 'tex') {
371: my ($version,$previous)=&get_version();
372: ($status,$accessmsg,my $slot_name,$slot) =
373: &Apache::lonhomework::check_task_access('0');
374: push(@Apache::inputtags::status,$status);
375: $Apache::inputtags::slot_name=$slot_name;
376: my $expression='$external::datestatus="'.$status.'";';
377: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";';
378: &Apache::run::run($expression,$safeeval);
379: &Apache::lonxml::debug("Got $status");
380: $body_tag_start.=&add_previous_version_button($status);
381: if (!&show_task($status,$previous)) {
382: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
383: if ( $target eq "web" ) {
384: $result.= $head_tag_start.'</head>'.$body_tag_start;
385: my $msg;
386: if ($status eq 'UNAVAILABLE') {
387: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
388: } elsif ($status eq 'NOT_IN_A_SLOT') {
389: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
390: $msg.=&add_request_another_attempt_button("Sign up for time to work.");
391: } elsif ($status eq 'NEEDS_CHECKIN') {
392: $msg.='<h1>'.&mt('You need the Proctor to validate you.').
393: '</h1>'.&proctor_validation_screen($slot);
394: } elsif ($status eq 'WAITING_FOR_GRADE') {
395: $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
396: } elsif ($env{'form.donescreen'}) {
397: my $title=&Apache::lonnet::gettitle();
398: my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
399: my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';
400: $result.=<<DONESCREEN;
401: <h2>$title</h2>
402: <p> Files submitted: $files </p>
403: <p> You are now done with this Bridge Task </p>
404: <hr />
405: <p> <a href="/adm/logout">Logout</a> </p>
406: <p> <a href="/adm/roles">Change to a different course</a> </p>
407: DONESCREEN
408: } elsif ($status ne 'NOT_YET_VIEWED') {
409: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
410: }
411: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
412: $msg.='The problem '.$accessmsg;
413: }
414: $result.=$msg.'<br />';
415: } elsif ($target eq 'tex') {
416: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
417: if ($status eq 'UNAVAILABLE') {
418: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
419: } else {
420: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
421: }
422: } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
423: if ($status eq 'NEEDS_CHECKIN') {
424: &proctor_check_auth($slot_name,$slot);
425: }
426: }
427: } elsif ($target eq 'web') {
428: my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
429: $result.="$head_tag_start<title>$name</title></head>
430: $body_tag_start \n".&style();
431:
432: $result.=&preserve_grade_info();
433: $result.=&internal_location();
434: $result.=$form_tag_start.
435: '<input type="hidden" name="submitted" value="yes" />';
436: &Apache::lonxml::startredirection();
437: }
438: } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
439: $target eq 'webgrade') {
440: my $webgrade='yes';
441: if ($target eq 'webgrade') {
442: $result.=$head_tag_start.$body_tag_start;
443: #$result.='<br />Review'.&show_queue('reviewqueue');
444: #$result.='<br />Grade'.&show_queue('gradingqueue');
445: }
446: # FIXME Blast! still need to reorg this, need to reshow the
447: # queue being reviewed once done with the grade pass...
448: # Hrrm, vaildation pass should perhaps say 'not_locked'
449: # perhaps do a search if there is a key that is mine and if
450: # there isn't reshow the queue....
451: my ($todo,$status_code)=&get_key_todo($target);
452:
453: if ($todo) {
454: &setup_env_for_other_user($todo,$safeeval);
455: my ($symb,$uname,$udom)=&decode_queue_key($todo);
456: $result.="\n".'<table><tr><td>Found '.
457: &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
458: $form_tag_start.=
459: '<input type="hidden" name="gradingkey" value="'.
460: &Apache::lonnet::escape($todo).'" />';
461: $Apache::bridgetask::queue_key=$todo;
462: &Apache::structuretags::initialize_storage();
463: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
464: if ($target eq 'webgrade') {
465: #$result.='<br />After -'.&show_queue($env{'form.queue'});
466: $result.="\n".'<table width="100%" style="width:100%" border="1">';
467: if ($status_code eq 'selected') {
468: $form_tag_start.=
469: '<input type="hidden" name="queuemode" value="selected" />';
470: }
471: }
472: } else {
473: if ($target eq 'webgrade') {
474: $result.="\n";
475: if ($status_code eq 'stop') {
476: $result.='<b>'.&mt("Stopped grading.").'</b>';
477: } elsif ($status_code eq 'lock_failed') {
478: $result.='<b>'.&mt("Failed to lock the request record.").'</b>';
479: } elsif ($status_code eq 'unlock') {
480: $result.='<b>'.&mt("Unlocked the requested record.").'</b>';
481: $result.=&show_queue($env{'form.queue'},1);
482: } elsif ($status_code eq 'show_list') {
483: $result.=&show_queue($env{'form.queue'},1);
484: } elsif ($status_code eq 'select_user') {
485: $result.=&select_user();
486: } else {
487: $result.='<b>'.&mt("No user to be graded.").'</b>';
488: }
489: }
490: $webgrade='no';
491: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
492: }
493: if ($target eq 'webgrade' && defined($env{'form.queue'})) {
494: if ($webgrade eq 'yes') {
495: $result.=&submission_time_stamp();
496: }
497: $result.=$form_tag_start;
498: $result.='<input type="hidden" name="webgrade" value="'.
499: $webgrade.'" />';
500: $result.='<input type="hidden" name="queue" value="'.
501: $env{'form.queue'}.'" />';
502: if ($env{'form.regrade'}) {
503: $result.='<input type="hidden" name="regrade" value="'.
504: $env{'form.regrade'}.'" />';
505: }
506: if ($env{'form.chosensections'}) {
507: my @chosen_sections=
508: &Apache::loncommon::get_env_multiple('form.chosensections');
509: foreach my $sec (@chosen_sections) {
510: $result.='<input type="hidden" name="chosensections"
511: value="'.$sec.'" />';
512: }
513: }
514: }
515: } else {
516: # page_start returned a starting result, delete it if we don't need it
517: $result = '';
518: }
519: return $result;
520: }
521:
522: sub get_key_todo {
523: my ($target)=@_;
524: my $todo;
525:
526: if (defined($env{'form.reviewasubmission'})) {
527: &Apache::lonxml::debug("review a submission....");
528: $env{'form.queue'}='reviewqueue';
529: return (undef,'show_list');
530: }
531:
532: if (defined($env{'form.reviewagrading'})) {
533: &Apache::lonxml::debug("review a grading....");
534: $env{'form.queue'}='gradingqueue';
535: return (undef,'show_list');
536: }
537:
538: if (defined($env{'form.regradeasubmission'})) {
539: &Apache::lonxml::debug("regrade a grading....");
540: $env{'form.queue'}='none';
541: return (undef,'select_user');
542: }
543:
544: my $queue=$env{'form.queue'};
545:
546: if (!defined($queue)) {
547: $env{'form.queue'}=$queue='gradingqueue';
548: }
549:
550: my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
551:
552: if ($env{'form.queue'} eq 'none') {
553: if (defined($env{'form.gradingkey'})) {
554: if ($target eq 'webgrade') {
555: if ($env{'form.stop'}) {
556: return (undef,'stop');
557: } elsif ($env{'form.next'}) {
558: return (undef,'select_user');
559: }
560: }
561: return ($gradingkey,'selected');
562: } else {
563: return (undef,'select_user');
564: }
565: }
566: if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
567: && !defined($env{'form.gradingaction'})
568: && $env{'form.queuemode'} eq 'selected') {
569:
570: my $who=&queue_key_locked($queue,$gradingkey);
571: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
572: if ($who eq $me) {
573: &Apache::lonxml::debug("Found a key was given to me");
574: return ($gradingkey,'selected');
575: } else {
576: return (undef,'show_list');
577: }
578:
579: }
580:
581: if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
582: if ($env{'form.gradingaction'} eq 'resume') {
583: delete($env{'form.gradingaction'});
584: &Apache::lonxml::debug("Resuming a key");
585: return ($gradingkey);
586: } elsif ($env{'form.gradingaction'} eq 'unlock') {
587: &Apache::lonxml::debug("Unlocking a key ".
588: &check_queue_unlock($queue,$gradingkey,1));
589: return (undef,'unlock');
590: } elsif ($env{'form.gradingaction'} eq 'select') {
591: &Apache::lonxml::debug("Locking a key");
592: if (&lock_key($queue,$gradingkey)) {
593: &Apache::lonxml::debug("Success $queue");
594: return ($gradingkey);
595: }
596: &Apache::lonxml::debug("Failed $queue");
597: return (undef,'lock_failed');
598: }
599: }
600:
601: if ($env{'form.queuemode'} ne 'selected') {
602: # don't get something new from the queue if they hit the stop button
603: if (!($env{'form.stop'} && $target eq 'webgrade')
604: && !$env{'form.gradingaction'}) {
605: &Apache::lonxml::debug("Getting anew $queue");
606: return (&get_from_queue($queue));
607: } else {
608: return (undef,'stop');
609: }
610: }
611: return (undef,undef)
612: }
613:
614: sub end_Task {
615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
616: my $result='';
617: my $status=$Apache::inputtags::status['-1'];
618: my ($version,$previous)=&get_version();
619: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
620: $target eq 'tex') {
621: if (
622: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
623: ($target eq 'answer') || ($target eq 'tex')
624: ) {
625: if ($target eq 'web') {
626: if (&show_task($status,$previous)) {
627: $result.=&Apache::lonxml::endredirection();
628: }
629: if ($status eq 'CAN_ANSWER' && !$previous &&
630: !$env{'form.donescreen'}) {
631: $result.="\n".'<table border="1">'.
632: &Apache::inputtags::file_selector("$version.0",
633: "bridgetask","*",
634: 'portfolioonly',
635: '
636: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
637: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
638: "</table>";
639: $result.=&Apache::inputtags::gradestatus('0');
640: $result.='</form>';
641: $result.=<<DONEBUTTON;
642: <form method="POST">
643: <input type="hidden" name="donescreen" value="1" />
644: <input type="submit" value="Done" />
645: </form>
646: DONEBUTTON
647: }
648: if (&show_task($status,$previous) &&
649: $Apache::lonhomework::history{"resource.$version.status"} =~ /^(pass|fail)$/) {
650: my $bt_status=$Apache::lonhomework::history{"resource.$version.status"};
651: my $title=&Apache::lonnet::gettitle();
652: my %slot=&Apache::lonnet::get_slot($Apache::inputtags::slot_name);
653: my $start_time=
654: &Apache::lonlocal::locallocaltime($slot{'starttime'});
655:
656: my $status;
657: $status.="\n<div class='$bt_status'>\n";
658:
659: if ($bt_status eq 'pass') {
660: $status.='<h2>You passed the '.$title.' given on '.
661: $start_time.'.</h2>';
662: }
663: if ($bt_status eq 'fail') {
664: $status.='<h2>You did not pass the '.$title.' given on '.
665: $start_time.'.</h2>';
666: if (!$previous) {
667: $status.=&add_request_another_attempt_button();
668: }
669: }
670: my $man_count=0;
671: my $opt_count=0;
672: my $opt_passed=0;
673: foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
674: if ($Apache::bridgetask::dimensionmandatory{$dim_id}
675: eq 'N') {
676: $opt_count++;
677: if ($Apache::lonhomework::history{"resource.$version.$dim_id.status"} eq 'pass') {
678: $opt_passed++;
679: }
680: } else {
681: $man_count++;
682: }
683: }
684: my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
685: $parstack,$safeeval);
686: if ($opt_req !~ /\S/) { $opt_req='0'; }
687: $status.="\n<p>".&mt('You needed to pass all of the [_1] mandatory components and [_2] of the [_3] optional components on the bridge task.',$man_count,$opt_req,$opt_count)."</p></div>\n";
688:
689: my $internal_location=&internal_location();
690: $result=~s/\Q$internal_location\E/$status/;
691: }
692: }
693: if ($target eq 'web' || $target eq 'webgrade') {
694: $result.=&Apache::lonxml::xmlend().'</html>';
695: }
696: }
697: if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
698: my $award='SUBMITTED';
699: &Apache::essayresponse::file_submission("$version.0",'bridgetask',
700: 'portfiles',\$award);
701: if ($award eq 'SUBMITTED' &&
702: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
703: $Apache::lonhomework::results{"resource.0.tries"}=
704: $Apache::lonhomework::results{"resource.$version.0.tries"}=
705: 1+$Apache::lonhomework::history{"resource.$version.0.tries"};
706:
707: $Apache::lonhomework::results{"resource.0.award"}=
708: $Apache::lonhomework::results{"resource.$version.0.award"}=
709: $award;
710: $Apache::lonhomework::results{"resource.0.submission"}=
711: $Apache::lonhomework::results{"resource.$version.0.submission"}='';
712: } else {
713: delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
714: }
715: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
716: &Apache::structuretags::finalize_storage();
717: if ($award eq 'SUBMITTED') {
718: &add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
719: }
720: }
721: if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
722: my $optional_required=
723: &Apache::lonxml::get_param('OptionalRequired',$parstack,
724: $safeeval);
725: my $optional_passed=0;
726: my $mandatory_failed=0;
727: my $ungraded=0;
728: my $review=0;
729: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
730: foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
731: my $status=
732: $Apache::lonhomework::results{"resource.$version.$dim_id.status"};
733: my $mandatory=
734: ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
735: if ($status eq 'pass') {
736: if (!$mandatory) { $optional_passed++; }
737: } elsif ($status eq 'fail') {
738: if ($mandatory) { $mandatory_failed++; }
739: } elsif ($status eq 'ungraded') {
740: $ungraded++;
741: } elsif ($status eq 'review') {
742: $review++;
743: } else {
744: $ungraded++;
745: }
746: }
747: if ($optional_passed < $optional_required) {
748: $mandatory_failed++;
749: }
750: &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
751: $Apache::lonhomework::results{'resource.grader'}=
752: $env{'user.name'}.'@'.$env{'user.domain'};
753: if ($review) {
754: $Apache::lonhomework::results{"resource.$version.status"}='review';
755: if ($env{'form.queue'} eq 'reviewqueue') {
756: &check_queue_unlock($env{'form.queue'});
757: &Apache::lonxml::debug(" still needs review not changing status.");
758: } else {
759: &move_between_queues($env{'form.queue'},'reviewqueue');
760: }
761: } elsif ($ungraded) {
762: $Apache::lonhomework::results{"resource.$version.status"}='ungraded';
763: if ($env{'form.queue'} eq 'reviewqueue' ||
764: $env{'form.queue'} eq 'none' ) {
765: &Apache::lonxml::debug("moving back.");
766: &move_between_queues($env{'form.queue'},'gradingqueue');
767: } else {
768: &check_queue_unlock($env{'form.queue'});
769: }
770: } elsif ($mandatory_failed) {
771: $Apache::lonhomework::results{"resource.$version.status"}='fail';
772: $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
773: $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
774: $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
775: &remove_from_queue($env{'form.queue'});
776:
777: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
778:
779: if ($env{'form.regrade'} ne 'yes') {
780: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
781: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
782: &Apache::grades::version_portfiles(
783: \%Apache::lonhomework::results,
784: ["$version.0.bridgetask"],$courseid,
785: $symb,$udom,$uname,
786: ["$version.0.bridgetask"]);
787: }
788: } else {
789: $Apache::lonhomework::results{"resource.$version.status"}='pass';
790: $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
791: $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
792: $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
793: &remove_from_queue($env{'form.queue'});
794:
795: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
796: if ($env{'form.regrade'} ne 'yes') {
797: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
798: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
799: &Apache::grades::version_portfiles(
800: \%Apache::lonhomework::results,
801: ["$version.0.bridgetask"],$courseid,
802: $symb,$udom,$uname,
803: ["$version.0.bridgetask"]);
804: }
805: }
806: $Apache::lonhomework::results{"resource.status"}=
807: $Apache::lonhomework::results{"resource.$version.status"};
808: if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
809: $Apache::lonhomework::results{"resource.0.award"}=
810: $Apache::lonhomework::results{"resource.$version.0.award"};
811: $Apache::lonhomework::results{"resource.0.awarded"}=
812: $Apache::lonhomework::results{"resource.$version.0.awarded"};
813: $Apache::lonhomework::results{"resource.0.solved"}=
814: $Apache::lonhomework::results{"resource.$version.0.solved"};
815: }
816: &Apache::structuretags::finalize_storage();
817: }
818: } elsif ($target eq 'webgrade') {
819: $result.="</table>\n<hr />";
820: #$result.='<input type="submit" name="next" value="'.
821: # &mt('Save & Next').'" /> ';
822: #$result.='<input type="submit" name="end" value="'.
823: # &mt('Save & Stop Grading').'" /> ';
824: #$result.='<input type="submit" name="throwaway" value="'.
825: # &mt('Throw Away & Stop Grading').'" /> ';
826: #$result.='<input type="submit" name="save" value="'.
827: # &mt('Save Partial Grade and Continue Grading').'" /> ';
828: $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
829: } elsif ($target eq 'meta') {
830: $result.='<parameter part="0" package="Task"></parameter>'."\n";
831: #$result.=&Apache::response::meta_part_order();
832: #$result.=&Apache::response::meta_response_order();
833: }
834: undef($Apache::lonhomework::parsing_a_task);
835: return $result;
836: }
837:
838: sub move_between_queues {
839: my ($src_queue,$dest_queue)=@_;
840: my $cur_data;
841: if ($src_queue ne 'none') {
842: $cur_data=&get_queue_data($src_queue);
843: if (!$cur_data) { return 'not_exist'; }
844: } else {
845: $cur_data = ['none'];
846: }
847: my $result=&add_to_queue($dest_queue,$cur_data->[0]);
848: if ($result ne 'ok') {
849: return $result;
850: }
851: &check_queue_unlock($src_queue);
852: return &remove_from_queue($src_queue);
853: }
854:
855: sub check_queue_unlock {
856: my ($queue,$key,$allow_not_me)=@_;
857: if ($queue eq 'none') { return 'ok'; }
858: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
859: if (!defined($key)) {
860: $key="$symb\0queue\0$uname\@$udom";
861: }
862: my $cnum=$env{'course.'.$cid.'.num'};
863: my $cdom=$env{'course.'.$cid.'.domain'};
864: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
865: my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
866: if ($who eq $me) {
867: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
868: } elsif ($allow_not_me) {
869: &Apache::lonxml::debug("unlocking $who by $me");
870: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
871: }
872: return 'not_owner';
873: }
874:
875: sub remove_from_queue {
876: my ($queue)=@_;
877: if ($queue eq 'none') { return 'ok'; }
878: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
879: my $cnum=$env{'course.'.$cid.'.num'};
880: my $cdom=$env{'course.'.$cid.'.domain'};
881: my $key="$symb\0queue\0$uname\@$udom";
882: my @keys=($key,"$key\0locked");
883: return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
884: }
885:
886: sub setup_env_for_other_user {
887: my ($queue_key,$safeeval)=@_;
888: my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
889: &Apache::lonxml::debug("setup_env for $queue_key");
890: $env{'form.grade_symb'}=$symb;
891: $env{'form.grade_domain'}=$udom;
892: $env{'form.grade_username'}=$uname;
893: $env{'form.grade_courseid'}=$env{'request.course.id'};
894: &Apache::lonxml::initialize_rndseed($safeeval);
895: }
896:
897: sub get_queue_data {
898: my ($queue)=@_;
899: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
900: my $cnum=$env{'course.'.$cid.'.num'};
901: my $cdom=$env{'course.'.$cid.'.domain'};
902: my $todo="$symb\0queue\0$uname\@$udom";
903: my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
904: if ($key eq $todo && ref($value)) {
905: return $value;
906: }
907: return undef;
908: }
909:
910: sub check_queue_for_key {
911: my ($cid,$queue,$todo)=@_;
912: my $cnum=$env{'course.'.$cid.'.num'};
913: my $cdom=$env{'course.'.$cid.'.domain'};
914: my %results=
915: &Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
916:
917: if (exists($results{$todo}) && ref($results{$todo})) {
918: if (defined($results{"$todo\0locked"})) {
919: return 'locked';
920: }
921: my $slot=$results{$todo}->[0];
922: my %slot_data=&Apache::lonnet::get_slot($slot);
923: if ($slot_data{'endtime'} > time) {
924: return 'in_progress';
925: }
926: return 'enqueued';
927: }
928: return undef;
929: }
930:
931: sub add_to_queue {
932: my ($queue,$slot_name)=@_;
933: if ($queue eq 'none') { return 'ok'; }
934: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
935: my $cnum=$env{'course.'.$cid.'.num'};
936: my $cdom=$env{'course.'.$cid.'.domain'};
937: my %data;
938: $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];
939: return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
940: }
941:
942: sub show_queue {
943: my ($queue,$with_selects)=@_;
944: my $result;
945: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
946: my $cnum=$env{'course.'.$cid.'.num'};
947: my $cdom=$env{'course.'.$cid.'.domain'};
948:
949: my @chosen_sections=
950: &Apache::loncommon::get_env_multiple('form.chosensections');
951: &Apache::grades::init_perm();
952: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
953: &Apache::grades::reset_perm();
954: if (!(grep(/^all$/,@chosen_sections))) {
955: $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
956: '</tt>.</p> '."\n";
957: }
958:
959: my $regexp="^$symb\0";
960: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
961: my ($tmp)=%queue;
962: if ($tmp=~/^error: 2 /) {
963: return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
964: }
965: $result.="\n<h3>Current Queue - $queue </h3><table border='1'><tr>";
966: if ($with_selects) { $result.="<th></th>"; }
967: $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
968: foreach my $key (sort(keys(%queue))) {
969: my ($symb,$uname,$udom) = &decode_queue_key($key);
970: if (!defined($classlist->{$uname.':'.$udom})) { next; }
971: if ($key=~/locked$/ && !$with_selects) {
972: my $title=&Apache::lonnet::gettitle($symb);
973: $result.="<tr><td>$title</td><td>$uname</td>";
974: $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
975: } elsif ($key=~/timestamp$/ && !$with_selects) {
976: my ($symb,undef) = split("\0",$key);
977: my $title=&Apache::lonnet::gettitle($symb);
978: $result.="<tr><td>$title</td><td></td>";
979: $result.='<td>last queue modification time</td><td>'.
980: &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
981: } elsif ($key!~/(timestamp|locked)$/) {
982: my $title=&Apache::lonnet::gettitle($symb);
983: $result.="<tr>";
984: my $slot=$queue{$key}->[0];
985: my %slot_data=&Apache::lonnet::get_slot($slot);
986: if ($with_selects) {
987: my $ekey=&Apache::lonnet::escape($key);
988: my ($action,$description)=('select',&mt('Select'));
989: if (exists($queue{"$key\0locked"})) {
990: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
991: if ($me eq $queue{"$key\0locked"}) {
992: ($action,$description)=('resume',&mt('Resume'));
993: } else {
994: ($action,$description)=('unlock',&mt('Unlock'));
995: }
996: }
997: my $seclist;
998: foreach my $sec (@chosen_sections) {
999: $seclist.='<input type="hidden" name="chosensections"
1000: value="'.$sec.'" />';
1001: }
1002: if (time > $slot_data{'endtime'}) {
1003: $result.=(<<FORM);
1004: <td>
1005: <form method="POST">
1006: <input type="hidden" name="gradingkey" value="$ekey" />
1007: <input type="hidden" name="queue" value="$queue" />
1008: <input type="hidden" name="gradingaction" value="$action" />
1009: <input type="hidden" name="webgrade" value="no" />
1010: <input type="hidden" name="queuemode" value="selected" />
1011: <input type="submit" name="submit" value="$description" />
1012: $seclist
1013: </form>
1014: </td>
1015: FORM
1016:
1017: } else {
1018: $result.='<td>'.&mt("In Progress").'</td>'
1019: }
1020: }
1021: $result.="<td>$title</td><td>$uname</td>";
1022: $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
1023: &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
1024: "</td></tr>";
1025: }
1026: }
1027: $result.="</table><hr />\n";
1028: return $result;
1029: }
1030:
1031: sub get_queue_counts {
1032: my ($queue)=@_;
1033: my $result;
1034: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1035: my $cnum=$env{'course.'.$cid.'.num'};
1036: my $cdom=$env{'course.'.$cid.'.domain'};
1037: my $regexp="^$symb\0";
1038: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1039: my ($tmp)=%queue;
1040: if ($tmp=~/^error: 2 /) {
1041: return (0,0,0);
1042: }
1043: my ($entries,$ready_to_grade,$locks)=(0,0,0);
1044: foreach my $key (sort(keys(%queue))) {
1045: if ($key=~/locked$/) {
1046: $locks++;
1047: } elsif ($key=~/timestamp$/) {
1048: #ignore
1049: } elsif ($key!~/(timestamp|locked)$/) {
1050: my ($symb,$uname,$udom) = &decode_queue_key($key);
1051: $entries++;
1052: my $slot=$queue{$key}->[0];
1053: my %slot_data=&Apache::lonnet::get_slot($slot);
1054: if (time > $slot_data{'endtime'}) {
1055: $ready_to_grade++;
1056: }
1057: }
1058: }
1059: return ($entries,$ready_to_grade,$locks);
1060: }
1061:
1062: sub encode_queue_key {
1063: my ($symb,$udom,$uname)=@_;
1064: return "$symb\0queue\0$uname\@$udom";
1065: }
1066:
1067: sub decode_queue_key {
1068: my ($key)=@_;
1069: my ($symb,undef,$user) = split("\0",$key);
1070: my ($uname,$udom) = split('@',$user);
1071: return ($symb,$uname,$udom);
1072: }
1073:
1074: sub queue_key_locked {
1075: my ($queue,$key,$cdom,$cnum)=@_;
1076: if (!defined($cdom) || !defined($cnum)) {
1077: my (undef,$cid)=&Apache::lonxml::whichuser();
1078: $cnum=$env{'course.'.$cid.'.num'};
1079: $cdom=$env{'course.'.$cid.'.domain'};
1080: }
1081: my ($key_locked,$value)=
1082: &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1083: if ($key_locked eq "$key\0locked") {
1084: return $value;
1085: }
1086: return undef;
1087: }
1088:
1089: sub pick_from_queue_data {
1090: my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1091: foreach my $key (keys(%$queuedata)) {
1092: if ($key =~ /\0locked$/) { next; }
1093: if ($key =~ /\0timestamp$/) { next; }
1094: my ($symb,$uname,$udom)=&decode_queue_key($key);
1095: if ($check_section) {
1096: my $section=&Apache::lonnet::getsection($uname,$udom);
1097: if ($section eq $check_section) {
1098: &Apache::lonxml::debug("my sec");
1099: next;
1100: }
1101: }
1102: my $slot=$queuedata->{$key}[0];
1103: my %slot_data=&Apache::lonnet::get_slot($slot);
1104: if ($slot_data{'endtime'} > time) {
1105: &Apache::lonxml::debug("not time");
1106: next;
1107: }
1108: if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
1109: &Apache::lonxml::debug("someone already has um.");
1110: next;
1111: }
1112: return $key;
1113: }
1114: return undef;
1115: }
1116:
1117: sub find_mid_grade {
1118: my ($queue,$symb,$cdom,$cnum)=@_;
1119: my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1120: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1121: if ($todo) {
1122: my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1123: if ($who eq $me) { return $todo; }
1124: }
1125: my $regexp="^$symb\0.*\0locked\$";
1126: my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1127: foreach my $key (keys(%locks)) {
1128: my $who=$locks{$key};
1129: if ($who eq $me) {
1130: $todo=$key;
1131: $todo=~s/\0locked$//;
1132: return $todo;
1133: }
1134: }
1135: return undef;
1136: }
1137:
1138: sub lock_key {
1139: my ($queue,$todo)=@_;
1140: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1141: my (undef,$cid)=&Apache::lonxml::whichuser();
1142: my $cnum=$env{'course.'.$cid.'.num'};
1143: my $cdom=$env{'course.'.$cid.'.domain'};
1144: my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
1145: $cdom,$cnum);
1146: &Apache::lonxml::debug("success $success $todo");
1147: if ($success eq 'ok') {
1148: return 1;
1149: }
1150: return 0;
1151: }
1152:
1153: sub get_from_queue {
1154: my ($queue)=@_;
1155: my $result;
1156: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1157: my $cnum=$env{'course.'.$cid.'.num'};
1158: my $cdom=$env{'course.'.$cid.'.domain'};
1159: my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1160: &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1161: if ($todo) { return $todo; }
1162: while (1) {
1163: my $starttime=time;
1164: &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},
1165: $cdom,$cnum);
1166: &Apache::lonxml::debug("$starttime");
1167: my $regexp="^$symb\0queue\0";
1168: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1169: #make a pass looking for a user _not_ in my section
1170: if ($env{'request.course.sec'}) {
1171: &Apache::lonxml::debug("sce");
1172: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1173: \%queue,$cdom,$cnum);
1174: &Apache::lonxml::debug("sce $todo");
1175: }
1176: # no one _not_ in our section so look for any user that is
1177: # ready for grading
1178: if (!$todo) {
1179: &Apache::lonxml::debug("no sce");
1180: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1181: \%queue,$cdom,$cnum);
1182: &Apache::lonxml::debug("no sce $todo");
1183: }
1184: # no user to grade
1185: if (!$todo) { last; }
1186: &Apache::lonxml::debug("got $todo");
1187: # otherwise found someone so lets try to lock them
1188: # unless someone else already picked them
1189: if (!&lock_key($queue,$todo)) { next; }
1190: my (undef,$endtime)=
1191: &Apache::lonnet::get($queue,["$symb\0timestamp"],
1192: $cdom,$cnum);
1193: &Apache::lonxml::debug("emd $endtime");
1194: # someone else already modified the queue,
1195: # perhaps our picked user wass already fully graded between
1196: # when we picked him and when we locked his record? so lets
1197: # double check.
1198: if ($endtime != $starttime) {
1199: my ($key,$value)=
1200: &Apache::lonnet::get($queue,["$todo"],
1201: $cdom,$cnum);
1202: &Apache::lonxml::debug("check $key .. $value");
1203: if ($key eq $todo && ref($value)) {
1204: } else {
1205: &Apache::lonnet::del($queue,["$todo\0locked"],
1206: $cdom,$cnum);
1207: &Apache::lonxml::debug("del");
1208: next;
1209: }
1210: }
1211: &Apache::lonxml::debug("last $todo");
1212: last;
1213: }
1214: return $todo;
1215: }
1216:
1217: sub select_user {
1218: my ($symb,$cid)=&Apache::lonxml::whichuser();
1219:
1220: my @chosen_sections=
1221: &Apache::loncommon::get_env_multiple('form.chosensections');
1222: &Apache::grades::init_perm();
1223: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1224: &Apache::grades::reset_perm();
1225:
1226: my $result;
1227: if (!(grep(/^all$/,@chosen_sections))) {
1228: $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
1229: '</tt>.</p> '."\n";
1230: }
1231: $result.='<table border="1">';
1232:
1233: foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
1234: my ($uname,$udom) = split(/:/,$student);
1235:
1236: my %status = &get_student_status($symb,$cid,$udom,$uname);
1237: my $queue = 'none';
1238: my $cannot_grade;
1239: if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1240: $queue = 'reviewqueue';
1241: if ($status{'reviewqueue'} eq 'in_progress') {
1242: $cannot_grade=1;
1243: }
1244: } elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1245: $queue = 'gradingqueue';
1246: if ($status{'gradingqueue'} eq 'in_progress') {
1247: $cannot_grade=1;
1248: }
1249: }
1250: my $todo =
1251: &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1252: if ($cannot_grade) {
1253: $result.='<tr><td> </td><td>'.$fullname->{$student}.
1254: '</td><td>';
1255: } else {
1256: my $seclist;
1257: foreach my $sec (@chosen_sections) {
1258: $seclist.='<input type="hidden" name="chosensections"
1259: value="'.$sec.'" />';
1260: }
1261: $result.=<<RESULT;
1262: <tr>
1263: <td>
1264: <form method="POST">
1265: <input type="hidden" name="gradingkey" value="$todo" />
1266: <input type="hidden" name="queue" value="$queue" />
1267: <input type="hidden" name="webgrade" value="no" />
1268: <input type="hidden" name="regrade" value="yes" />
1269: <input type="submit" name="submit" value="Regrade" />
1270: $seclist
1271: </form>
1272: <td>$fullname->{$student}</td>
1273: <td>
1274: RESULT
1275: }
1276: if ($status{'status'} eq 'pass') {
1277: $result .= '<font color="green">'.&mt('Passed').'</font>';
1278: } elsif ($status{'status'} eq 'fail') {
1279: $result .= '<font color="red">'.&mt('Failed').'</font>';
1280: } elsif ($status{'status'} eq 'review') {
1281: $result .= '<font color="blue">'.&mt('Under Review').'</font>';
1282: } elsif ($status{'status'} eq 'ungraded') {
1283: $result .= &mt('Ungraded');
1284: } elsif ($status{'status'} ne '') {
1285: $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
1286: } else {
1287: $result.=" ";
1288: }
1289: if ($status{'version'}) {
1290: $result .= ' '.&mt('Version').' '.$status{'version'};
1291: }
1292: $result.= '</td><td>';
1293: if ($status{'reviewqueue'} eq 'enqueued') {
1294: $result .= &mt('Awaiting Review');
1295: } elsif ($status{'reviewqueue'} eq 'locked') {
1296: $result .= &mt('Under Review');
1297: } elsif ($status{'reviewqueue'} eq 'in_progress') {
1298: $result .= &mt('Still being worked on.');
1299: } elsif ($status{'gradingqueue'} eq 'enqueued') {
1300: $result .= &mt('Awaiting Grading');
1301: } elsif ($status{'gradingqueue'} eq 'locked') {
1302: $result .= &mt('Being Graded');
1303: } elsif ($status{'gradingqueue'} eq 'in_progress') {
1304: $result .= &mt('Still being worked on.');
1305: } else {
1306: $result.=" ";
1307: }
1308: $result.= '</td></tr>';
1309: }
1310: $result.='</table>';
1311: return $result;
1312: }
1313:
1314: sub get_student_status {
1315: my ($symb,$cid,$udom,$uname)=@_;
1316: my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1317: $udom,$uname);
1318: my %status;
1319: $status{'status'}=$record{'resource.status'};
1320: $status{'version'}=$record{'resource.version'};
1321: $status{'grader'}=$record{'resource.grader'};
1322: $status{'reviewqueue'}=&check_queue_for_key($cid,'reviewqueue',
1323: &encode_queue_key($symb,$udom,$uname));
1324: $status{'gradingqueue'}=&check_queue_for_key($cid,'gradingqueue',
1325: &encode_queue_key($symb,$udom,$uname));
1326: return %status;
1327: }
1328:
1329: sub start_ClosingParagraph {
1330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1331: my $result;
1332: if ($target eq 'web') {
1333: } elsif ($target eq 'webgrade') {
1334: &Apache::lonxml::startredirection();
1335: }
1336: return $result;
1337: }
1338:
1339: sub end_ClosingParagraph {
1340: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1341: my $result;
1342: if ($target eq 'web') {
1343: } elsif ($target eq 'webgrade') {
1344: &Apache::lonxml::endredirection();
1345: }
1346: return $result;
1347: }
1348:
1349: sub get_id {
1350: my ($parstack,$safeeval)=@_;
1351: my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
1352: if (!$id) { $id=$Apache::lonxml::curdepth; }
1353: return $id;
1354: }
1355:
1356: my %dimension;
1357: sub start_Dimension {
1358: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1359: undef(%dimension);
1360: my $dim_id=&get_id($parstack,$safeeval);
1361: $Apache::bridgetask::dimension=$dim_id;
1362: push(@Apache::bridgetask::dimensionlist,$dim_id);
1363: undef(@Apache::bridgetask::instance);
1364: $Apache::bridgetask::dimensionmandatory{$dim_id}=
1365: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1366: &Apache::lonxml::startredirection();
1367: return &internal_location($dim_id);
1368: }
1369:
1370: sub get_instance {
1371: &Apache::response::pushrandomnumber();
1372: my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
1373: my $num=@order;
1374: my $version=&get_version();
1375: my $which=($version-1)%$num;
1376: return $order[$which];
1377: }
1378:
1379: {
1380: my $last_link;
1381: sub end_Dimension {
1382: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1383: my $result=&Apache::lonxml::endredirection();
1384: my $dim=&get_id($parstack,$safeeval);
1385: my $instance=&get_instance();
1386: my $version=&get_version();
1387: if ($target eq 'web') {
1388: @Apache::scripttag::parser_env = @_;
1389: $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1390: @Apache::scripttag::parser_env = @_;
1391: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1392: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
1393: $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
1394:
1395: my $dim_status=$Apache::lonhomework::history{"resource.$version.$dim.status"};
1396: my $mandatory='Mandatory';
1397: if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
1398: $mandatory='Optional';
1399: }
1400: my $dim_info="<div class='$dim_status'>\n";
1401: if ($dim_status eq 'pass') {
1402: $dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1403: }
1404: if ($dim_status eq 'fail') {
1405: $dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1406: }
1407: my $man_count=0;
1408: my $man_passed=0;
1409: my $opt_count=0;
1410: my $opt_passed=0;
1411: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1412: if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}
1413: eq 'N') {
1414: $opt_count++;
1415: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {
1416: $opt_passed++;
1417: }
1418: } else {
1419: $man_count++;
1420: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {
1421: $man_passed++;
1422: }
1423: }
1424: }
1425: if ($man_passed eq $man_count) { $man_passed='all'; }
1426: my $opt_req=$dimension{$instance.'.optionalrequired'};
1427: if ($opt_req !~ /\S/) { $opt_req='0'; }
1428: $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
1429:
1430: my $internal_location=&internal_location($dim);
1431: $result=~s/\Q$internal_location\E/$dim_info/;
1432:
1433: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1434: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1435: my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
1436: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
1437: if ($mandatory) {
1438: $mandatory='Mandatory';
1439: } else {
1440: $mandatory='Optional';
1441: }
1442: if ($status eq 'fail') {
1443: } elsif ($status eq 'pass') {
1444: } else {
1445: &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
1446: }
1447: my $status_display=$status;
1448: $status_display=~s/^([a-z])/uc($1)/e;
1449: @Apache::scripttag::parser_env = @_;
1450: $result.='<div class="'.$status.'"><h4>'.$mandatory.
1451: ' Criteria</h4><p>';
1452: @Apache::scripttag::parser_env = @_;
1453: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1454: $result.='</p><p class="grade">'.$status_display.'</p>';
1455: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
1456: $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</p>';
1457: }
1458: $result.='</div>';
1459: }
1460: }
1461: } elsif ($target eq 'webgrade') {
1462: # in case of any side effects that we need
1463: @Apache::scripttag::parser_env = @_;
1464: &Apache::scripttag::xmlparse($dimension{'intro'});
1465: @Apache::scripttag::parser_env = @_;
1466: &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1467: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1468: my $link='criteria_'.$instance.'_'.$id;
1469: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1470: $result.='<tr><td width="100%" valign="top">'.
1471: '<a name="'.$link.'" />'.
1472: '<a name="next_'.$last_link.'" />'.
1473: '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
1474: @Apache::scripttag::parser_env = @_;
1475: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1476: $result.='</textarea>'.
1477: #$dimension{$instance.'.criteria.'.$id}.
1478: '</td>'.
1479: '<td><nobr>Additional Comment for Student</nobr> <br />'.
1480: '<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>'.
1481: '</td>'.
1482: '<td>'.
1483: '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
1484: '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
1485: '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
1486: '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
1487: '</td>'.
1488: '<td>'.
1489: '<a href="#'.$last_link.'">Prev</a><br />'.
1490: '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
1491: '<input type="submit" name="next" value="'.
1492: &mt('Done').'" /> '.
1493: '<input type="submit" name="stop" value="'.
1494: &mt('Stop').'" /> '.
1495: '</td></tr>';
1496: $result.='<tr><td colspan="4">';
1497: my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
1498: my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1499: foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
1500: my $file=$file_url.$partial_file;
1501: $file=~s|/+|/|g;
1502: &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1503: $result.='<nobr><a href="'.$file.'" target="lonGRDs"><img src="'.
1504: &Apache::loncommon::icon($file).'" border=0"> '.$file.
1505: '</a></nobr> ';
1506: }
1507: $result.='</td></tr>';
1508: $last_link=$link;
1509: }
1510: } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1511: my $optional_passed=0;
1512: my $mandatory_failed=0;
1513: my $ungraded=0;
1514: my $review=0;
1515: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1516: my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
1517: $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1518: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
1519: if ($status eq 'pass') {
1520: if (!$mandatory) { $optional_passed++; }
1521: } elsif ($status eq 'fail') {
1522: if ($mandatory) { $mandatory_failed++; }
1523: } elsif ($status eq 'review') {
1524: $review++;
1525: } elsif ($status eq 'ungraded') {
1526: $ungraded++;
1527: } else {
1528: $ungraded++;
1529: }
1530: }
1531: if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
1532: $mandatory_failed++;
1533: }
1534: &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1535: if ($review) {
1536: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1537: 'review';
1538: } elsif ($ungraded) {
1539: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1540: 'ungraded';
1541: } elsif ($mandatory_failed) {
1542: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1543: 'fail';
1544: } else {
1545: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1546: 'pass';
1547: }
1548: }
1549: return $result;
1550: }
1551: }
1552:
1553: sub start_IntroParagraph {
1554: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1555: my $result;
1556: if ($target eq 'web' || $target eq 'webgrade') {
1557: if ($tagstack->[-2] eq 'Dimension') {
1558: $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser);
1559:
1560: } elsif ($target eq 'webgrade') {
1561: &Apache::lonxml::get_all_text('/introparagraph',$parser);
1562: }
1563:
1564: }
1565: return $result;
1566: }
1567:
1568: sub end_IntroParagraph {
1569: }
1570:
1571: sub start_Instance {
1572: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1573: my $id=&get_id($parstack,$safeeval);
1574: push(@{$dimension{'instances'}},$id);
1575: push(@Apache::bridgetask::instance,$id);
1576: push(@Apache::bridgetask::instancelist,$id);
1577: $dimension{$id.'.optionalrequired'}=
1578: &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1579: return '';
1580: }
1581:
1582: sub end_Instance {
1583: }
1584:
1585: sub start_InstanceText {
1586: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1587: my $instance_id=$Apache::bridgetask::instance[-1];
1588: my $text=&Apache::lonxml::get_all_text('/instancetext',$parser);
1589: if ($target eq 'web' || $target eq 'webgrade') {
1590: $dimension{$instance_id.'.text'}=$text;
1591: }
1592: return '';
1593: }
1594:
1595: sub end_InstanceText {
1596: return '';
1597: }
1598:
1599: sub start_Criteria {
1600: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1601: my $instance_id=$Apache::bridgetask::instance[-1];
1602: my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser);
1603: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1604: my $id=&get_id($parstack,$safeeval);
1605: $dimension{$instance_id.'.criteria.'.$id}=$criteria;
1606: $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
1607: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1608: push(@{$dimension{$instance_id.'.criterias'}},$id);
1609: }
1610: return '';
1611: }
1612:
1613: sub end_Criteria {
1614: }
1615:
1616: sub proctor_validation_screen {
1617: my ($slot) = @_;
1618: my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1619: my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1620: my $name=&Apache::loncommon::plainname($user,$domain);
1621:
1622: my $msg;
1623: if ($env{'form.proctorpassword'}) {
1624: $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
1625: .'</font></p>';
1626: }
1627: if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1628: my $result= (<<ENDCHECKOUT);
1629: <h2>Proctor Validation</h2>
1630: <p>Your room's proctor needs to validate your access to this resource.</p>
1631: $msg
1632: <form name="checkout" method="POST" action="$env{'request.uri'}">
1633: <input type="hidden" name="validate" value="yes" />
1634: <input type="hidden" name="submitted" value="yes" />
1635: <table>
1636: <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1637: <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1638: <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1639: </table>
1640: <input type="submit" name="checkoutbutton" value="Validate" /><br />
1641: <table border="1">
1642: <tr><td>
1643: <table>
1644: <tr><td colspan="2">Student who should be logged in is:</td></tr>
1645: <tr><td>Name:</td><td>$name</td></tr>
1646: <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1647: <tr><td>Usename</td><td>$user\@$domain</td></tr>
1648: <tr><td colspan="2"><img src="$url" /></td></tr>
1649: </table>
1650: </tr></td>
1651: </table>
1652: </form>
1653: ENDCHECKOUT
1654: return $result;
1655: }
1656:
1657: 1;
1658: __END__
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