1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
3: #
4: # $Id: bridgetask.pm,v 1.61 2005/10/01 04:01:14 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: ( $status eq 'INVALID_ACCESS') )) {
295: return 0;
296: }
297: return 1;
298: }
299:
300: sub internal_location {
301: my ($id)=@_;
302: return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
303: }
304:
305: sub submission_time_stamp {
306: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
307: my $submissiontime;
308: my $version=$Apache::lonhomework::history{'resource.version'};
309: for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
310: if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
311: $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
312: }
313: }
314: my $result;
315: if ($submissiontime) {
316: my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.checkedin.slot'};
317: my %slot=&Apache::lonnet::get_slot($slot_name);
318: my $diff = $slot{'endtime'} - $submissiontime;
319: my ($color,$when)=('red','after');
320: if ($diff > 0) { ($color,$when)=('green','before'); }
321: my $info;
322: if ($diff%60) { $info=($diff%60).' seconds'; }
323: $diff=int($diff/60);
324: if ($diff%60) { $info=($diff%60).' minutes '.$info; }
325: $diff=int($diff/60);
326: if ($diff) { $info=$diff.' hours '.$info; }
327: $result='<p><font color="'.$color.'">'.
328: &mt('Student submitted [_1] [_2] the deadline.
329: (Submission was at [_3], end of period was [_4].)',
330: $info,$when,scalar(localtime($submissiontime)),
331: scalar(localtime($slot{'endtime'}))).
332: '</font></p>';
333: }
334: return $result;
335: }
336:
337: sub start_Task {
338: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
339:
340: my ($status,$accessmsg,$slot);
341: if ($target ne 'webgrade') {
342: &Apache::structuretags::initialize_storage();
343: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
344: }
345:
346: $Apache::lonhomework::parsing_a_task=1;
347: #should get back a <html> or the neccesary stuff to start XML/MathML
348: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
349: &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
350:
351: if ($target eq 'web') {
352: if ($Apache::lonhomework::modifygrades) {
353: $body_tag_start.='<form name="gradesubmission" method="POST" action="';
354: my $uri=$env{'request.uri'};
355: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
356: $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
357: my $symb=&Apache::lonnet::symbread();
358: if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
359: $body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
360: '<input type="hidden" name="symb" value="'.$symb.'" />'.
361: '<input type="hidden" name="command" value="showslots" />'.
362: '<input type="submit" name="requestattempt" value="'.
363: &mt('Show Slot list').'" />'.
364: '</form>';
365: }
366: }
367: }
368: if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
369: $target eq 'tex') {
370: my ($version,$previous)=&get_version();
371: ($status,$accessmsg,my $slot_name,$slot) =
372: &Apache::lonhomework::check_task_access('0');
373: push(@Apache::inputtags::status,$status);
374: $Apache::inputtags::slot_name=$slot_name;
375: my $expression='$external::datestatus="'.$status.'";';
376: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";';
377: &Apache::run::run($expression,$safeeval);
378: &Apache::lonxml::debug("Got $status");
379: $body_tag_start.=&add_previous_version_button($status);
380: if (!&show_task($status,$previous)) {
381: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
382: if ( $target eq "web" ) {
383: $result.= $head_tag_start.'</head>'.$body_tag_start;
384: my $msg;
385: if ($status eq 'UNAVAILABLE') {
386: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
387: } elsif ($status eq 'NOT_IN_A_SLOT') {
388: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
389: $msg.=&add_request_another_attempt_button("Sign up for time to work.");
390: } elsif ($status eq 'NEEDS_CHECKIN') {
391: $msg.='<h1>'.&mt('You need the Proctor to validate you.').
392: '</h1>'.&proctor_validation_screen($slot);
393: } elsif ($status eq 'WAITING_FOR_GRADE') {
394: $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
395: } elsif ($status ne 'NOT_YET_VIEWED') {
396: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
397: }
398: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
399: $msg.='The problem '.$accessmsg;
400: }
401: $result.=$msg.'<br />';
402: } elsif ($target eq 'tex') {
403: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
404: if ($status eq 'UNAVAILABLE') {
405: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
406: } else {
407: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
408: }
409: } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
410: if ($status eq 'NEEDS_CHECKIN') {
411: &proctor_check_auth($slot_name,$slot);
412: }
413: }
414: } elsif ($target eq 'web') {
415: my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
416: $result.="$head_tag_start<title>$name</title></head>
417: $body_tag_start \n".&style();
418:
419: $result.=&preserve_grade_info();
420: $result.=&internal_location();
421: $result.=$form_tag_start.
422: '<input type="hidden" name="submitted" value="yes" />';
423: &Apache::lonxml::startredirection();
424: }
425: } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
426: $target eq 'webgrade') {
427: my $webgrade='yes';
428: if ($target eq 'webgrade') {
429: $result.=$head_tag_start.$body_tag_start;
430: #$result.='<br />Review'.&show_queue('reviewqueue');
431: #$result.='<br />Grade'.&show_queue('gradingqueue');
432: }
433: # FIXME Blast! still need to reorg this, need to reshow the
434: # queue being reviewed once done with the grade pass...
435: # Hrrm, vaildation pass should perhaps say 'not_locked'
436: # perhaps do a search if there is a key that is mine and if
437: # there isn't reshow the queue....
438: my ($todo,$status_code)=&get_key_todo($target);
439:
440: if ($todo) {
441: &setup_env_for_other_user($todo,$safeeval);
442: my ($symb,$uname,$udom)=&decode_queue_key($todo);
443: $result.="\n".'<table><tr><td>Found '.
444: &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
445: $form_tag_start.=
446: '<input type="hidden" name="gradingkey" value="'.
447: &Apache::lonnet::escape($todo).'" />';
448: $Apache::bridgetask::queue_key=$todo;
449: &Apache::structuretags::initialize_storage();
450: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
451: if ($target eq 'webgrade') {
452: #$result.='<br />After -'.&show_queue($env{'form.queue'});
453: $result.="\n".'<table width="100%" style="width:100%" border="1">';
454: if ($status_code eq 'selected') {
455: $form_tag_start.=
456: '<input type="hidden" name="queuemode" value="selected" />';
457: }
458: }
459: } else {
460: if ($target eq 'webgrade') {
461: $result.="\n";
462: if ($status_code eq 'stop') {
463: $result.='<b>'.&mt("Stopped grading.").'</b>';
464: } elsif ($status_code eq 'lock_failed') {
465: $result.='<b>'.&mt("Failed to lock the request record.").'</b>';
466: } elsif ($status_code eq 'unlock') {
467: $result.='<b>'.&mt("Unlocked the requested record.").'</b>';
468: $result.=&show_queue($env{'form.queue'},1);
469: } elsif ($status_code eq 'show_list') {
470: $result.=&show_queue($env{'form.queue'},1);
471: } elsif ($status_code eq 'select_user') {
472: $result.=&select_user();
473: } else {
474: $result.='<b>'.&mt("No user to be graded.").'</b>';
475: }
476: }
477: $webgrade='no';
478: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
479: }
480: if ($target eq 'webgrade' && defined($env{'form.queue'})) {
481: if ($webgrade eq 'yes') {
482: $result.=&submission_time_stamp();
483: }
484: $result.=$form_tag_start;
485: $result.='<input type="hidden" name="webgrade" value="'.
486: $webgrade.'" />';
487: $result.='<input type="hidden" name="queue" value="'.
488: $env{'form.queue'}.'" />';
489: if ($env{'form.regrade'}) {
490: $result.='<input type="hidden" name="regrade" value="'.
491: $env{'form.regrade'}.'" />';
492: }
493: }
494: } else {
495: # page_start returned a starting result, delete it if we don't need it
496: $result = '';
497: }
498: return $result;
499: }
500:
501: sub get_key_todo {
502: my ($target)=@_;
503: my $todo;
504:
505: if (defined($env{'form.reviewasubmission'})) {
506: &Apache::lonxml::debug("review a submission....");
507: $env{'form.queue'}='reviewqueue';
508: return (undef,'show_list');
509: }
510:
511: if (defined($env{'form.reviewagrading'})) {
512: &Apache::lonxml::debug("review a grading....");
513: $env{'form.queue'}='gradingqueue';
514: return (undef,'show_list');
515: }
516:
517: if (defined($env{'form.regradeasubmission'})) {
518: &Apache::lonxml::debug("regrade a grading....");
519: $env{'form.queue'}='none';
520: return (undef,'select_user');
521: }
522:
523: my $queue=$env{'form.queue'};
524:
525: if (!defined($queue)) {
526: $env{'form.queue'}=$queue='gradingqueue';
527: }
528:
529: my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
530:
531: if ($env{'form.queue'} eq 'none') {
532: if (defined($env{'form.gradingkey'})) {
533: if ($target eq 'webgrade') {
534: if ($env{'form.stop'}) {
535: return (undef,'stop');
536: } elsif ($env{'form.next'}) {
537: return (undef,'select_user');
538: }
539: }
540: return ($gradingkey,'selected');
541: } else {
542: return (undef,'select_user');
543: }
544: }
545: if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
546: && !defined($env{'form.gradingaction'})
547: && $env{'form.queuemode'} eq 'selected') {
548:
549: my $who=&queue_key_locked($queue,$gradingkey);
550: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
551: if ($who eq $me) {
552: &Apache::lonxml::debug("Found a key was given to me");
553: return ($gradingkey,'selected');
554: } else {
555: return (undef,'show_list');
556: }
557:
558: }
559:
560: if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
561: if ($env{'form.gradingaction'} eq 'resume') {
562: delete($env{'form.gradingaction'});
563: &Apache::lonxml::debug("Resuming a key");
564: return ($gradingkey);
565: } elsif ($env{'form.gradingaction'} eq 'unlock') {
566: &Apache::lonxml::debug("Unlocking a key ".
567: &check_queue_unlock($queue,$gradingkey,1));
568: return (undef,'unlock');
569: } elsif ($env{'form.gradingaction'} eq 'select') {
570: &Apache::lonxml::debug("Locking a key");
571: if (&lock_key($queue,$gradingkey)) {
572: &Apache::lonxml::debug("Success $queue");
573: return ($gradingkey);
574: }
575: &Apache::lonxml::debug("Failed $queue");
576: return (undef,'lock_failed');
577: }
578: }
579:
580: if ($env{'form.queuemode'} ne 'selected') {
581: # don't get something new from the queue if they hit the stop button
582: if (!($env{'form.stop'} && $target eq 'webgrade')
583: && !$env{'form.gradingaction'}) {
584: &Apache::lonxml::debug("Getting anew $queue");
585: return (&get_from_queue($queue));
586: } else {
587: return (undef,'stop');
588: }
589: }
590: return (undef,undef)
591: }
592:
593: sub end_Task {
594: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
595: my $result='';
596: my $status=$Apache::inputtags::status['-1'];
597: my ($version,$previous)=&get_version();
598: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
599: $target eq 'tex') {
600: if (
601: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
602: ($target eq 'answer') || ($target eq 'tex')
603: ) {
604: if ($target eq 'web') {
605: if (&show_task($status,$previous)) {
606: $result.=&Apache::lonxml::endredirection();
607: }
608: if ($status eq 'CAN_ANSWER' && !$previous) {
609: $result.="\n".'<table border="1">'.
610: &Apache::inputtags::file_selector("$version.0",
611: "bridgetask","*",
612: 'portfolioonly',
613: '
614: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
615: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
616: "</table>";
617: $result.=&Apache::inputtags::gradestatus('0');
618: }
619: if (&show_task($status,$previous) &&
620: $Apache::lonhomework::history{"resource.$version.status"} =~ /^(pass|fail)$/) {
621: my $bt_status=$Apache::lonhomework::history{"resource.$version.status"};
622: my $title=&Apache::lonnet::gettitle();
623: my %slot=&Apache::lonnet::get_slot($Apache::inputtags::slot_name);
624: my $start_time=
625: &Apache::lonlocal::locallocaltime($slot{'starttime'});
626:
627: my $status;
628: $status.="\n<div class='$bt_status'>\n";
629:
630: if ($bt_status eq 'pass') {
631: $status.='<h2>You passed the '.$title.' given on '.
632: $start_time.'.</h2>';
633: }
634: if ($bt_status eq 'fail') {
635: $status.='<h2>You did not pass the '.$title.' given on '.
636: $start_time.'.</h2>';
637: if (!$previous) {
638: $status.=&add_request_another_attempt_button();
639: }
640: }
641: my $man_count=0;
642: my $opt_count=0;
643: my $opt_passed=0;
644: foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
645: if ($Apache::bridgetask::dimensionmandatory{$dim_id}
646: eq 'N') {
647: $opt_count++;
648: if ($Apache::lonhomework::history{"resource.$version.$dim_id.status"} eq 'pass') {
649: $opt_passed++;
650: }
651: } else {
652: $man_count++;
653: }
654: }
655: my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
656: $parstack,$safeeval);
657: if ($opt_req !~ /\S/) { $opt_req='0'; }
658: $status.="\n<p>".&mt('You needed to pass all of the [_1] mandatory components and [_2] of the [_3] optional components on the bridge task.',$man_count,$opt_req,$opt_count)."</p></div>\n";
659:
660: my $internal_location=&internal_location();
661: $result=~s/\Q$internal_location\E/$status/;
662: }
663: }
664: if ($target eq 'web' || $target eq 'webgrade') {
665: $result.=&Apache::lonxml::xmlend().'</html>';
666: }
667: }
668: if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
669: my $award='SUBMITTED';
670: &Apache::essayresponse::file_submission("$version.0",'bridgetask',
671: 'portfiles',\$award);
672: if ($award eq 'SUBMITTED' &&
673: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
674: $Apache::lonhomework::results{"resource.0.tries"}=
675: $Apache::lonhomework::results{"resource.$version.0.tries"}=
676: 1+$Apache::lonhomework::history{"resource.$version.0.tries"};
677:
678: $Apache::lonhomework::results{"resource.0.award"}=
679: $Apache::lonhomework::results{"resource.$version.0.award"}=
680: $award;
681: $Apache::lonhomework::results{"resource.0.submission"}=
682: $Apache::lonhomework::results{"resource.$version.0.submission"}='';
683: }
684: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
685: &Apache::structuretags::finalize_storage();
686: if ($award eq 'SUBMITTED') {
687: &add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
688: }
689: }
690: if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
691: my $optional_required=
692: &Apache::lonxml::get_param('OptionalRequired',$parstack,
693: $safeeval);
694: my $optional_passed=0;
695: my $mandatory_failed=0;
696: my $ungraded=0;
697: my $review=0;
698: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
699: foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
700: my $status=
701: $Apache::lonhomework::results{"resource.$version.$dim_id.status"};
702: my $mandatory=
703: ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
704: if ($status eq 'pass') {
705: if (!$mandatory) { $optional_passed++; }
706: } elsif ($status eq 'fail') {
707: if ($mandatory) { $mandatory_failed++; }
708: } elsif ($status eq 'ungraded') {
709: $ungraded++;
710: } elsif ($status eq 'review') {
711: $review++;
712: } else {
713: $ungraded++;
714: }
715: }
716: if ($optional_passed < $optional_required) {
717: $mandatory_failed++;
718: }
719: &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
720: $Apache::lonhomework::results{'resource.grader'}=
721: $env{'user.name'}.'@'.$env{'user.domain'};
722: if ($review) {
723: $Apache::lonhomework::results{"resource.$version.status"}='review';
724: if ($env{'form.queue'} eq 'reviewqueue') {
725: &check_queue_unlock($env{'form.queue'});
726: &Apache::lonxml::debug(" still needs review not changing status.");
727: } else {
728: &move_between_queues($env{'form.queue'},'reviewqueue');
729: }
730: } elsif ($ungraded) {
731: $Apache::lonhomework::results{"resource.$version.status"}='ungraded';
732: if ($env{'form.queue'} eq 'reviewqueue' ||
733: $env{'form.queue'} eq 'none' ) {
734: &Apache::lonxml::debug("moving back.");
735: &move_between_queues($env{'form.queue'},'gradingqueue');
736: } else {
737: &check_queue_unlock($env{'form.queue'});
738: }
739: } elsif ($mandatory_failed) {
740: $Apache::lonhomework::results{"resource.$version.status"}='fail';
741: $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
742: $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
743: $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
744: &remove_from_queue($env{'form.queue'});
745:
746: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
747:
748: if ($env{'form.regrade'} ne 'yes') {
749: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
750: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
751: &Apache::grades::version_portfiles(
752: \%Apache::lonhomework::results,
753: ["$version.0.bridgetask"],$courseid,
754: $symb,$udom,$uname,
755: ["$version.0.bridgetask"]);
756: }
757: } else {
758: $Apache::lonhomework::results{"resource.$version.status"}='pass';
759: $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
760: $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
761: $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
762: &remove_from_queue($env{'form.queue'});
763:
764: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
765: if ($env{'form.regrade'} ne 'yes') {
766: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
767: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
768: &Apache::grades::version_portfiles(
769: \%Apache::lonhomework::results,
770: ["$version.0.bridgetask"],$courseid,
771: $symb,$udom,$uname,
772: ["$version.0.bridgetask"]);
773: }
774: }
775: $Apache::lonhomework::results{"resource.status"}=
776: $Apache::lonhomework::results{"resource.$version.status"};
777: if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
778: $Apache::lonhomework::results{"resource.0.award"}=
779: $Apache::lonhomework::results{"resource.$version.0.award"};
780: $Apache::lonhomework::results{"resource.0.awarded"}=
781: $Apache::lonhomework::results{"resource.$version.0.awarded"};
782: $Apache::lonhomework::results{"resource.0.solved"}=
783: $Apache::lonhomework::results{"resource.$version.0.solved"};
784: }
785: &Apache::structuretags::finalize_storage();
786: }
787: } elsif ($target eq 'webgrade') {
788: $result.="</table>\n<hr />";
789: #$result.='<input type="submit" name="next" value="'.
790: # &mt('Save & Next').'" /> ';
791: #$result.='<input type="submit" name="end" value="'.
792: # &mt('Save & Stop Grading').'" /> ';
793: #$result.='<input type="submit" name="throwaway" value="'.
794: # &mt('Throw Away & Stop Grading').'" /> ';
795: #$result.='<input type="submit" name="save" value="'.
796: # &mt('Save Partial Grade and Continue Grading').'" /> ';
797: $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
798: } elsif ($target eq 'meta') {
799: $result.='<parameter part="0" package="Task"></parameter>'."\n";
800: #$result.=&Apache::response::meta_part_order();
801: #$result.=&Apache::response::meta_response_order();
802: }
803: undef($Apache::lonhomework::parsing_a_task);
804: return $result;
805: }
806:
807: sub move_between_queues {
808: my ($src_queue,$dest_queue)=@_;
809: my $cur_data;
810: if ($src_queue ne 'none') {
811: $cur_data=&get_queue_data($src_queue);
812: if (!$cur_data) { return 'not_exist'; }
813: } else {
814: $cur_data = ['none'];
815: }
816: my $result=&add_to_queue($dest_queue,$cur_data->[0]);
817: if ($result ne 'ok') {
818: return $result;
819: }
820: &check_queue_unlock($src_queue);
821: return &remove_from_queue($src_queue);
822: }
823:
824: sub check_queue_unlock {
825: my ($queue,$key,$allow_not_me)=@_;
826: if ($queue eq 'none') { return 'ok'; }
827: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
828: if (!defined($key)) {
829: $key="$symb\0queue\0$uname\@$udom";
830: }
831: my $cnum=$env{'course.'.$cid.'.num'};
832: my $cdom=$env{'course.'.$cid.'.domain'};
833: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
834: my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
835: if ($who eq $me) {
836: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
837: } elsif ($allow_not_me) {
838: &Apache::lonxml::debug("unlocking $who by $me");
839: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
840: }
841: return 'not_owner';
842: }
843:
844: sub remove_from_queue {
845: my ($queue)=@_;
846: if ($queue eq 'none') { return 'ok'; }
847: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
848: my $cnum=$env{'course.'.$cid.'.num'};
849: my $cdom=$env{'course.'.$cid.'.domain'};
850: my $key="$symb\0queue\0$uname\@$udom";
851: my @keys=($key,"$key\0locked");
852: return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
853: }
854:
855: sub setup_env_for_other_user {
856: my ($queue_key,$safeeval)=@_;
857: my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
858: &Apache::lonxml::debug("setup_env for $queue_key");
859: $env{'form.grade_symb'}=$symb;
860: $env{'form.grade_domain'}=$udom;
861: $env{'form.grade_username'}=$uname;
862: $env{'form.grade_courseid'}=$env{'request.course.id'};
863: &Apache::lonxml::initialize_rndseed($safeeval);
864: }
865:
866: sub get_queue_data {
867: my ($queue)=@_;
868: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
869: my $cnum=$env{'course.'.$cid.'.num'};
870: my $cdom=$env{'course.'.$cid.'.domain'};
871: my $todo="$symb\0queue\0$uname\@$udom";
872: my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
873: if ($key eq $todo && ref($value)) {
874: return $value;
875: }
876: return undef;
877: }
878:
879: sub check_queue_for_key {
880: my ($cid,$queue,$todo)=@_;
881: my $cnum=$env{'course.'.$cid.'.num'};
882: my $cdom=$env{'course.'.$cid.'.domain'};
883: my %results=
884: &Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
885:
886: if (exists($results{$todo}) && ref($results{$todo})) {
887: if (defined($results{"$todo\0locked"})) {
888: return 'locked';
889: }
890: my $slot=$results{$todo}->[0];
891: my %slot_data=&Apache::lonnet::get_slot($slot);
892: if ($slot_data{'endtime'} > time) {
893: return 'in_progress';
894: }
895: return 'enqueued';
896: }
897: return undef;
898: }
899:
900: sub add_to_queue {
901: my ($queue,$slot_name)=@_;
902: if ($queue eq 'none') { return 'ok'; }
903: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
904: my $cnum=$env{'course.'.$cid.'.num'};
905: my $cdom=$env{'course.'.$cid.'.domain'};
906: my %data;
907: $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];
908: return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
909: }
910:
911: sub show_queue {
912: my ($queue,$with_selects)=@_;
913: my $result;
914: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
915: my $cnum=$env{'course.'.$cid.'.num'};
916: my $cdom=$env{'course.'.$cid.'.domain'};
917:
918: my @chosen_sections=
919: &Apache::loncommon::get_env_multiple('form.chosensections');
920: &Apache::grades::init_perm();
921: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
922: &Apache::grades::reset_perm();
923:
924: my $regexp="^$symb\0";
925: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
926: my ($tmp)=%queue;
927: if ($tmp=~/^error: 2 /) {
928: return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
929: }
930: $result.="\n<h3>Current Queue - $queue </h3><table border='1'><tr>";
931: if ($with_selects) { $result.="<th></th>"; }
932: $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
933: foreach my $key (sort(keys(%queue))) {
934: my ($symb,$uname,$udom) = &decode_queue_key($key);
935: if (!defined($classlist->{$uname.':'.$udom})) { next; }
936: if ($key=~/locked$/ && !$with_selects) {
937: my $title=&Apache::lonnet::gettitle($symb);
938: $result.="<tr><td>$title</td><td>$uname</td>";
939: $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
940: } elsif ($key=~/timestamp$/ && !$with_selects) {
941: my ($symb,undef) = split("\0",$key);
942: my $title=&Apache::lonnet::gettitle($symb);
943: $result.="<tr><td>$title</td><td></td>";
944: $result.='<td>last queue modification time</td><td>'.
945: &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
946: } elsif ($key!~/(timestamp|locked)$/) {
947: my $title=&Apache::lonnet::gettitle($symb);
948: $result.="<tr>";
949: my $slot=$queue{$key}->[0];
950: my %slot_data=&Apache::lonnet::get_slot($slot);
951: if ($with_selects) {
952: my $ekey=&Apache::lonnet::escape($key);
953: my ($action,$description)=('select',&mt('Select'));
954: if (exists($queue{"$key\0locked"})) {
955: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
956: if ($me eq $queue{"$key\0locked"}) {
957: ($action,$description)=('resume',&mt('Resume'));
958: } else {
959: ($action,$description)=('unlock',&mt('Unlock'));
960: }
961: }
962: if (time > $slot_data{'endtime'}) {
963: $result.=(<<FORM);
964: <td>
965: <form method="POST">
966: <input type="hidden" name="gradingkey" value="$ekey" />
967: <input type="hidden" name="queue" value="$queue" />
968: <input type="hidden" name="gradingaction" value="$action" />
969: <input type="hidden" name="webgrade" value="no" />
970: <input type="hidden" name="queuemode" value="selected" />
971: <input type="submit" name="submit" value="$description" />
972: </form>
973: </td>
974: FORM
975:
976: } else {
977: $result.='<td>'.&mt("In Progress").'</td>'
978: }
979: }
980: $result.="<td>$title</td><td>$uname</td>";
981: $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
982: &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
983: "</td></tr>";
984: }
985: }
986: $result.="</table><hr />\n";
987: return $result;
988: }
989:
990: sub get_queue_counts {
991: my ($queue)=@_;
992: my $result;
993: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
994: my $cnum=$env{'course.'.$cid.'.num'};
995: my $cdom=$env{'course.'.$cid.'.domain'};
996: my $regexp="^$symb\0";
997: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
998: my ($tmp)=%queue;
999: if ($tmp=~/^error: 2 /) {
1000: return (0,0,0);
1001: }
1002: my ($entries,$ready_to_grade,$locks)=(0,0,0);
1003: foreach my $key (sort(keys(%queue))) {
1004: if ($key=~/locked$/) {
1005: $locks++;
1006: } elsif ($key=~/timestamp$/) {
1007: #ignore
1008: } elsif ($key!~/(timestamp|locked)$/) {
1009: my ($symb,$uname,$udom) = &decode_queue_key($key);
1010: $entries++;
1011: my $slot=$queue{$key}->[0];
1012: my %slot_data=&Apache::lonnet::get_slot($slot);
1013: if (time > $slot_data{'endtime'}) {
1014: $ready_to_grade++;
1015: }
1016: }
1017: }
1018: return ($entries,$ready_to_grade,$locks);
1019: }
1020:
1021: sub encode_queue_key {
1022: my ($symb,$udom,$uname)=@_;
1023: return "$symb\0queue\0$uname\@$udom";
1024: }
1025:
1026: sub decode_queue_key {
1027: my ($key)=@_;
1028: my ($symb,undef,$user) = split("\0",$key);
1029: my ($uname,$udom) = split('@',$user);
1030: return ($symb,$uname,$udom);
1031: }
1032:
1033: sub queue_key_locked {
1034: my ($queue,$key,$cdom,$cnum)=@_;
1035: if (!defined($cdom) || !defined($cnum)) {
1036: my (undef,$cid)=&Apache::lonxml::whichuser();
1037: $cnum=$env{'course.'.$cid.'.num'};
1038: $cdom=$env{'course.'.$cid.'.domain'};
1039: }
1040: my ($key_locked,$value)=
1041: &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
1042: if ($key_locked eq "$key\0locked") {
1043: return $value;
1044: }
1045: return undef;
1046: }
1047:
1048: sub pick_from_queue_data {
1049: my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
1050: foreach my $key (keys(%$queuedata)) {
1051: my ($symb,$uname,$udom)=&decode_queue_key($key);
1052: if ($check_section) {
1053: my $section=&Apache::lonnet::getsection($uname,$udom);
1054: if ($section eq $check_section) {
1055: &Apache::lonxml::debug("my sec");
1056: next;
1057: }
1058: }
1059: my $slot=$queuedata->{$key}[0];
1060: my %slot_data=&Apache::lonnet::get_slot($slot);
1061: if ($slot_data{'endtime'} > time) {
1062: &Apache::lonxml::debug("not time");
1063: next;
1064: }
1065: if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
1066: &Apache::lonxml::debug("someone already has um.");
1067: next;
1068: }
1069: return $key;
1070: }
1071: return undef;
1072: }
1073:
1074: sub find_mid_grade {
1075: my ($queue,$symb,$cdom,$cnum)=@_;
1076: my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
1077: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1078: if ($todo) {
1079: my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
1080: if ($who eq $me) { return $todo; }
1081: }
1082: my $regexp="^$symb\0.*\0locked\$";
1083: my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1084: foreach my $key (keys(%locks)) {
1085: my $who=$locks{$key};
1086: if ($who eq $me) {
1087: $todo=$key;
1088: $todo=~s/\0locked$//;
1089: return $todo;
1090: }
1091: }
1092: return undef;
1093: }
1094:
1095: sub lock_key {
1096: my ($queue,$todo)=@_;
1097: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
1098: my (undef,$cid)=&Apache::lonxml::whichuser();
1099: my $cnum=$env{'course.'.$cid.'.num'};
1100: my $cdom=$env{'course.'.$cid.'.domain'};
1101: my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
1102: $cdom,$cnum);
1103: &Apache::lonxml::debug("success $success $todo");
1104: if ($success eq 'ok') {
1105: return 1;
1106: }
1107: return 0;
1108: }
1109:
1110: sub get_from_queue {
1111: my ($queue)=@_;
1112: my $result;
1113: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1114: my $cnum=$env{'course.'.$cid.'.num'};
1115: my $cdom=$env{'course.'.$cid.'.domain'};
1116: my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1117: &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1118: if ($todo) { return $todo; }
1119: while (1) {
1120: my $starttime=time;
1121: &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},
1122: $cdom,$cnum);
1123: &Apache::lonxml::debug("$starttime");
1124: my $regexp="^$symb\0queue\0";
1125: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1126: #make a pass looking for a user _not_ in my section
1127: if ($env{'request.course.sec'}) {
1128: &Apache::lonxml::debug("sce");
1129: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1130: \%queue,$cdom,$cnum);
1131: &Apache::lonxml::debug("sce $todo");
1132: }
1133: # no one _not_ in our section so look for any user that is
1134: # ready for grading
1135: if (!$todo) {
1136: &Apache::lonxml::debug("no sce");
1137: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1138: \%queue,$cdom,$cnum);
1139: &Apache::lonxml::debug("no sce $todo");
1140: }
1141: # no user to grade
1142: if (!$todo) { last; }
1143: &Apache::lonxml::debug("got $todo");
1144: # otherwise found someone so lets try to lock them
1145: # unless someone else already picked them
1146: if (!&lock_key($queue,$todo)) { next; }
1147: my (undef,$endtime)=
1148: &Apache::lonnet::get($queue,["$symb\0timestamp"],
1149: $cdom,$cnum);
1150: &Apache::lonxml::debug("emd $endtime");
1151: # someone else already modified the queue,
1152: # perhaps our picked user wass already fully graded between
1153: # when we picked him and when we locked his record? so lets
1154: # double check.
1155: if ($endtime != $starttime) {
1156: my ($key,$value)=
1157: &Apache::lonnet::get($queue,["$todo"],
1158: $cdom,$cnum);
1159: &Apache::lonxml::debug("check $key .. $value");
1160: if ($key eq $todo && ref($value)) {
1161: } else {
1162: &Apache::lonnet::del($queue,["$todo\0locked"],
1163: $cdom,$cnum);
1164: &Apache::lonxml::debug("del");
1165: next;
1166: }
1167: }
1168: &Apache::lonxml::debug("last $todo");
1169: last;
1170: }
1171: return $todo;
1172: }
1173:
1174: sub select_user {
1175: my ($symb,$cid)=&Apache::lonxml::whichuser();
1176: my $result.='<table border="1">';
1177:
1178: my @chosen_sections=
1179: &Apache::loncommon::get_env_multiple('form.chosensections');
1180: &Apache::grades::init_perm();
1181: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
1182: &Apache::grades::reset_perm();
1183:
1184: foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
1185: my ($uname,$udom) = split(/:/,$student);
1186:
1187: my %status = &get_student_status($symb,$cid,$udom,$uname);
1188: my $queue = 'none';
1189: my $cannot_grade;
1190: if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
1191: $queue = 'reviewqueue';
1192: if ($status{'reviewqueue'} eq 'in_progress') {
1193: $cannot_grade=1;
1194: }
1195: } elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
1196: $queue = 'gradingqueue';
1197: if ($status{'gradingqueue'} eq 'in_progress') {
1198: $cannot_grade=1;
1199: }
1200: }
1201: my $todo =
1202: &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1203: if ($cannot_grade) {
1204: $result.='<tr><td> </td><td>'.$fullname->{$student}.
1205: '</td><td>';
1206: } else {
1207: $result.=<<RESULT;
1208: <tr>
1209: <td>
1210: <form method="POST">
1211: <input type="hidden" name="gradingkey" value="$todo" />
1212: <input type="hidden" name="queue" value="$queue" />
1213: <input type="hidden" name="webgrade" value="no" />
1214: <input type="hidden" name="regrade" value="yes" />
1215: <input type="submit" name="submit" value="Regrade" />
1216: </form>
1217: <td>$fullname->{$student}</td>
1218: <td>
1219: RESULT
1220: }
1221: if ($status{'status'} eq 'pass') {
1222: $result .= '<font color="green">'.&mt('Passed').'</font>';
1223: } elsif ($status{'status'} eq 'fail') {
1224: $result .= '<font color="red">'.&mt('Failed').'</font>';
1225: } elsif ($status{'status'} eq 'review') {
1226: $result .= '<font color="blue">'.&mt('Under Review').'</font>';
1227: } elsif ($status{'status'} eq 'ungraded') {
1228: $result .= &mt('Ungraded');
1229: } elsif ($status{'status'} ne '') {
1230: $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
1231: } else {
1232: $result.=" ";
1233: }
1234: if ($status{'version'}) {
1235: $result .= ' '.&mt('Version').' '.$status{'version'};
1236: }
1237: $result.= '</td><td>';
1238: if ($status{'reviewqueue'} eq 'enqueued') {
1239: $result .= &mt('Awaiting Review');
1240: } elsif ($status{'reviewqueue'} eq 'locked') {
1241: $result .= &mt('Under Review');
1242: } elsif ($status{'reviewqueue'} eq 'in_progress') {
1243: $result .= &mt('Still being worked on.');
1244: } elsif ($status{'gradingqueue'} eq 'enqueued') {
1245: $result .= &mt('Awaiting Grading');
1246: } elsif ($status{'gradingqueue'} eq 'locked') {
1247: $result .= &mt('Being Graded');
1248: } elsif ($status{'gradingqueue'} eq 'in_progress') {
1249: $result .= &mt('Still being worked on.');
1250: } else {
1251: $result.=" ";
1252: }
1253: $result.= '</td></tr>';
1254: }
1255: $result.='</table>';
1256: return $result;
1257: }
1258:
1259: sub get_student_status {
1260: my ($symb,$cid,$udom,$uname)=@_;
1261: my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1262: $udom,$uname);
1263: my %status;
1264: $status{'status'}=$record{'resource.status'};
1265: $status{'version'}=$record{'resource.version'};
1266: $status{'grader'}=$record{'resource.grader'};
1267: $status{'reviewqueue'}=&check_queue_for_key($cid,'reviewqueue',
1268: &encode_queue_key($symb,$udom,$uname));
1269: $status{'gradingqueue'}=&check_queue_for_key($cid,'gradingqueue',
1270: &encode_queue_key($symb,$udom,$uname));
1271: return %status;
1272: }
1273:
1274: sub start_ClosingParagraph {
1275: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1276: my $result;
1277: if ($target eq 'web') {
1278: } elsif ($target eq 'webgrade') {
1279: &Apache::lonxml::startredirection();
1280: }
1281: return $result;
1282: }
1283:
1284: sub end_ClosingParagraph {
1285: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1286: my $result;
1287: if ($target eq 'web') {
1288: } elsif ($target eq 'webgrade') {
1289: &Apache::lonxml::endredirection();
1290: }
1291: return $result;
1292: }
1293:
1294: sub get_id {
1295: my ($parstack,$safeeval)=@_;
1296: my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
1297: if (!$id) { $id=$Apache::lonxml::curdepth; }
1298: return $id;
1299: }
1300:
1301: my %dimension;
1302: sub start_Dimension {
1303: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1304: undef(%dimension);
1305: my $dim_id=&get_id($parstack,$safeeval);
1306: $Apache::bridgetask::dimension=$dim_id;
1307: push(@Apache::bridgetask::dimensionlist,$dim_id);
1308: undef(@Apache::bridgetask::instance);
1309: $Apache::bridgetask::dimensionmandatory{$dim_id}=
1310: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1311: &Apache::lonxml::startredirection();
1312: return &internal_location($dim_id);
1313: }
1314:
1315: sub get_instance {
1316: &Apache::response::pushrandomnumber();
1317: my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
1318: my $num=@order;
1319: my $version=&get_version();
1320: my $which=($version-1)%$num;
1321: return $order[$which];
1322: }
1323:
1324: {
1325: my $last_link;
1326: sub end_Dimension {
1327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1328: my $result=&Apache::lonxml::endredirection();
1329: my $dim=&get_id($parstack,$safeeval);
1330: my $instance=&get_instance();
1331: my $version=&get_version();
1332: if ($target eq 'web') {
1333: @Apache::scripttag::parser_env = @_;
1334: $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1335: @Apache::scripttag::parser_env = @_;
1336: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1337: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
1338: $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
1339:
1340: my $dim_status=$Apache::lonhomework::history{"resource.$version.$dim.status"};
1341: my $mandatory='Mandatory';
1342: if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
1343: $mandatory='Optional';
1344: }
1345: my $dim_info="<div class='$dim_status'>\n";
1346: if ($dim_status eq 'pass') {
1347: $dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
1348: }
1349: if ($dim_status eq 'fail') {
1350: $dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
1351: }
1352: my $man_count=0;
1353: my $opt_count=0;
1354: my $opt_passed=0;
1355: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1356: if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}
1357: eq 'N') {
1358: $opt_count++;
1359: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {
1360: $opt_passed++;
1361: }
1362: } else {
1363: $man_count++;
1364: }
1365: }
1366: my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
1367: $parstack,$safeeval);
1368: if ($opt_req !~ /\S/) { $opt_req='0'; }
1369: $dim_info.="\n<p>".&mt('You passed all of the mandatory components and [_1] of the [_2] optional components, of which you were required to pass [_3].',$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
1370:
1371: my $internal_location=&internal_location($dim);
1372: $result=~s/\Q$internal_location\E/$dim_info/;
1373:
1374: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1375: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1376: my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
1377: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
1378: if ($mandatory) {
1379: $mandatory='Mandatory';
1380: } else {
1381: $mandatory='Optional';
1382: }
1383: if ($status eq 'fail') {
1384: } elsif ($status eq 'pass') {
1385: } else {
1386: &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
1387: }
1388: my $status_display=$status;
1389: $status_display=~s/^([a-z])/uc($1)/e;
1390: @Apache::scripttag::parser_env = @_;
1391: $result.='<div class="'.$status.'"><h4>'.$mandatory.
1392: ' Criteria</h4><p>';
1393: @Apache::scripttag::parser_env = @_;
1394: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1395: $result.='</p><p class="grade">'.$status_display.'</p>';
1396: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
1397: $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</p>';
1398: }
1399: $result.='</div>';
1400: }
1401: }
1402: } elsif ($target eq 'webgrade') {
1403: # in case of any side effects that we need
1404: @Apache::scripttag::parser_env = @_;
1405: &Apache::scripttag::xmlparse($dimension{'intro'});
1406: @Apache::scripttag::parser_env = @_;
1407: &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1408: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1409: my $link='criteria_'.$instance.'_'.$id;
1410: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1411: $result.='<tr><td width="100%" valign="top">'.
1412: '<a name="'.$link.'" />'.
1413: '<a name="next_'.$last_link.'" />'.
1414: '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
1415: @Apache::scripttag::parser_env = @_;
1416: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1417: $result.='</textarea>'.
1418: #$dimension{$instance.'.criteria.'.$id}.
1419: '</td>'.
1420: '<td><nobr>Additional Comment for Student</nobr> <br />'.
1421: '<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>'.
1422: '</td>'.
1423: '<td>'.
1424: '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
1425: '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
1426: '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
1427: '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
1428: '</td>'.
1429: '<td>'.
1430: '<a href="#'.$last_link.'">Prev</a><br />'.
1431: '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
1432: '<input type="submit" name="next" value="'.
1433: &mt('Done').'" /> '.
1434: '<input type="submit" name="stop" value="'.
1435: &mt('Stop').'" /> '.
1436: '</td></tr>';
1437: $result.='<tr><td colspan="4">';
1438: my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
1439: my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1440: foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
1441: my $file=$file_url.$partial_file;
1442: $file=~s|/+|/|g;
1443: &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1444: $result.='<nobr><a href="'.$file.'" target="lonGRDs"><img src="'.
1445: &Apache::loncommon::icon($file).'" border=0"> '.$file.
1446: '</a></nobr> ';
1447: }
1448: $result.='</td></tr>';
1449: $last_link=$link;
1450: }
1451: } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1452: my $optional_passed=0;
1453: my $mandatory_failed=0;
1454: my $ungraded=0;
1455: my $review=0;
1456: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1457: my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
1458: $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1459: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
1460: if ($status eq 'pass') {
1461: if (!$mandatory) { $optional_passed++; }
1462: } elsif ($status eq 'fail') {
1463: if ($mandatory) { $mandatory_failed++; }
1464: } elsif ($status eq 'review') {
1465: $review++;
1466: } elsif ($status eq 'ungraded') {
1467: $ungraded++;
1468: } else {
1469: $ungraded++;
1470: }
1471: }
1472: if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
1473: $mandatory_failed++;
1474: }
1475: &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1476: if ($review) {
1477: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1478: 'review';
1479: } elsif ($ungraded) {
1480: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1481: 'ungraded';
1482: } elsif ($mandatory_failed) {
1483: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1484: 'fail';
1485: } else {
1486: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1487: 'pass';
1488: }
1489: }
1490: return $result;
1491: }
1492: }
1493:
1494: sub start_IntroParagraph {
1495: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1496: my $result;
1497: if ($target eq 'web' || $target eq 'webgrade') {
1498: if ($tagstack->[-2] eq 'Dimension') {
1499: $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser);
1500:
1501: } elsif ($target eq 'webgrade') {
1502: &Apache::lonxml::get_all_text('/introparagraph',$parser);
1503: }
1504:
1505: }
1506: return $result;
1507: }
1508:
1509: sub end_IntroParagraph {
1510: }
1511:
1512: sub start_Instance {
1513: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1514: my $id=&get_id($parstack,$safeeval);
1515: push(@{$dimension{'instances'}},$id);
1516: push(@Apache::bridgetask::instance,$id);
1517: push(@Apache::bridgetask::instancelist,$id);
1518: $dimension{$id.'.optionalrequired'}=
1519: &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1520: return '';
1521: }
1522:
1523: sub end_Instance {
1524: }
1525:
1526: sub start_InstanceText {
1527: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1528: my $instance_id=$Apache::bridgetask::instance[-1];
1529: my $text=&Apache::lonxml::get_all_text('/instancetext',$parser);
1530: if ($target eq 'web' || $target eq 'webgrade') {
1531: $dimension{$instance_id.'.text'}=$text;
1532: }
1533: return '';
1534: }
1535:
1536: sub end_InstanceText {
1537: return '';
1538: }
1539:
1540: sub start_Criteria {
1541: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1542: my $instance_id=$Apache::bridgetask::instance[-1];
1543: my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser);
1544: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1545: my $id=&get_id($parstack,$safeeval);
1546: $dimension{$instance_id.'.criteria.'.$id}=$criteria;
1547: $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
1548: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1549: push(@{$dimension{$instance_id.'.criterias'}},$id);
1550: }
1551: return '';
1552: }
1553:
1554: sub end_Criteria {
1555: }
1556:
1557: sub proctor_validation_screen {
1558: my ($slot) = @_;
1559: my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1560: my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1561: my $name=&Apache::loncommon::plainname($user,$domain);
1562:
1563: my $msg;
1564: if ($env{'form.proctorpassword'}) {
1565: $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
1566: .'</font></p>';
1567: }
1568: if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1569: my $result= (<<ENDCHECKOUT);
1570: <h2>Proctor Validation</h2>
1571: <p>Your room's proctor needs to validate your access to this resource.</p>
1572: $msg
1573: <form name="checkout" method="POST" action="$env{'request.uri'}">
1574: <input type="hidden" name="validate" value="yes" />
1575: <input type="hidden" name="submitted" value="yes" />
1576: <table>
1577: <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1578: <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1579: <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1580: </table>
1581: <input type="submit" name="checkoutbutton" value="Validate" /><br />
1582: <table border="1">
1583: <tr><td>
1584: <table>
1585: <tr><td colspan="2">Student who should be logged in is:</td></tr>
1586: <tr><td>Name:</td><td>$name</td></tr>
1587: <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1588: <tr><td>Usename</td><td>$user\@$domain</td></tr>
1589: <tr><td colspan="2"><img src="$url" /></td></tr>
1590: </table>
1591: </tr></td>
1592: </table>
1593: </form>
1594: ENDCHECKOUT
1595: return $result;
1596: }
1597:
1598: 1;
1599: __END__
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