1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.49.6.8.2.3 2023/09/07 23:53:42 raeburn 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: package Apache::lonquickgrades;
30:
31: use strict;
32: use Apache::Constants qw(:common :http REDIRECT);
33: use POSIX;
34: use Apache::loncommon;
35: use Apache::lonlocal;
36: use Apache::lonnet;
37: use Apache::grades;
38: use Apache::lonuserstate;
39:
40: sub handler {
41: my $r = shift;
42: return real_handler($r);
43: }
44:
45: sub real_handler {
46: my $r = shift;
47:
48: &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
49:
50: # Handle header-only request
51: if ($env{'browser.mathml'}) {
52: &Apache::loncommon::content_type($r,'text/xml');
53: } else {
54: &Apache::loncommon::content_type($r,'text/html');
55: }
56: if ($r->header_only) {
57: $r->send_http_header;
58: return OK;
59: }
60:
61: my $cangrade=&Apache::lonnet::allowed('mgr');
62: my $showPoints =
63: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
64:
65: my $reinitresult;
66:
67: if ($env{'request.course.id'}) {
68: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
69: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
70: my $clientip = &Apache::lonnet::get_requestor_ip($r);
71: my ($blocked,$blocktext) =
72: &Apache::loncommon::blocking_status('grades',$clientip,$cnum,$cdom);
73: if ($blocked) {
74: my $checkrole = "cm./$cdom/$cnum";
75: if ($env{'request.course.sec'} ne '') {
76: $checkrole .= "/$env{'request.course.sec'}";
77: }
78: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
79: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
80: &grades_blocked($r,$blocktext,$showPoints);
81: return OK;
82: }
83: }
84: }
85:
86: unless ($cangrade) {
87: # Check for critical messages and redirect if present.
88: my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'grades');
89: if ($redirect) {
90: &Apache::loncommon::content_type($r,'text/html');
91: $r->header_out(Location => $url);
92: return REDIRECT;
93: }
94:
95: # Check if course needs to be re-initialized
96: my $loncaparev = $r->dir_config('lonVersion');
97: ($reinitresult,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
98:
99: if ($reinitresult eq 'switch') {
100: &Apache::loncommon::content_type($r,'text/html');
101: $r->send_http_header;
102: $r->print(&Apache::loncommon::check_release_result(@reinit));
103: return OK;
104: }
105: my ($cid,$cnum,$cdom);
106: if ($reinitresult) {
107: $cid = $env{'request.course.id'};
108: $cnum = $env{'course.'.$cid.'.num'};
109: $cdom = $env{'course.'.$cid.'.domain'};
110: }
111: if (($reinitresult eq 'main') || ($reinitresult eq 'both')) {
112: &Apache::loncommon::content_type($r,'text/html');
113: $r->send_http_header;
114: &startpage($r,$showPoints);
115: my $preamble = '<div id="LC_update_'.$cid.'" class="LC_info">'.
116: '<br />'.
117: &mt('Your course session is being updated because of recent changes by course personnel.').
118: ' '.&mt('Please be patient').'.<br /></div>'.
119: '<div style="padding:0;clear:both;margin:0;border:0"></div>';
120: my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble);
121: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course'));
122: $r->rflush();
123: my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
124: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished!'));
125: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
126: my $closure = <<ENDCLOSE;
127: <script type="text/javascript">
128: // <![CDATA[
129: \$("#LC_update_$cid").hide('slow');
130: // ]]>
131: </script>
132: ENDCLOSE
133: if ($ferr) {
134: $r->print($closure.&Apache::loncommon::end_page());
135: my $requrl = $r->uri;
136: $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
137: $env{'user.reinit'} = 1;
138: return HTTP_NOT_ACCEPTABLE;
139: } else {
140: $r->print($closure);
141: }
142: }
143: if (($reinitresult eq 'supp') || ($reinitresult eq 'both')) {
144: my $possdel;
145: if ($reinitresult eq 'supp') {
146: $possdel = 1;
147: }
148: my ($supplemental,$refs_updated) = &Apache::loncommon::get_supplemental($cnum,$cdom,'',$possdel);
149: unless ($refs_updated) {
150: &Apache::loncommon::set_supp_httprefs($cnum,$cdom,$supplemental);
151: }
152: }
153: }
154:
155: unless (($reinitresult eq 'main') || ($reinitresult eq 'both')) {
156: # Send header, don't cache this page
157: &Apache::loncommon::no_cache($r);
158: $r->send_http_header;
159: &startpage($r,$showPoints);
160: }
161: $r->rflush();
162:
163: &startGradeScreen($r);
164:
165: #
166: # Pick student
167: #
168: my $uname;
169: my $udom;
170: my $stdid;
171: if ($cangrade) {
172: if ($env{'form.uname'}) { $uname=$env{'form.uname'}; }
173: if ($env{'form.udom'}) { $udom=$env{'form.udom'}; }
174: if ($env{'form.id'}) { $stdid=$env{'form.id'}; }
175: if (($stdid) && ($udom)) {
176: $uname=(&Apache::lonnet::idget($udom,[$stdid],'ids'))[1];
177: }
178: if (($stdid) && (!$uname)) {
179: $r->print('<p><span class="LC_warning">'.&mt("Unknown Student/Employee ID: [_1]",$stdid).'</span></p>');
180: $stdid='';
181: }
182: if (($uname eq '') && ($udom eq '')) {
183: $uname = $env{'user.name'};
184: $udom = $env{'user.domain'};
185: }
186: $r->print('<form method="post" name="quickform" action="/adm/quickgrades">');
187: my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
188: &Apache::loncommon::selectstudent_link('quickform','uname','udom');
189: $r->print("<p>\n".&Apache::loncommon::studentbrowser_javascript()."\n");
190: $r->print(&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
191: ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
192: ,'<input type="text" value="'.$stdid.'" size="12" name="id" /> '
193: ,$chooseopt).
194: ' <input type="submit" name="display" value="'.&mt('Display Individual Student').'" /></p>');
195: if (($uname) && ($udom)) {
196: $r->print('<p>'.&mt('Full Name: [_1]',&Apache::loncommon::plainname($uname,$udom)).'</p>');
197: }
198: } else {
199: $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
200: }
201: $r->rflush();
202:
203: my $notshowTotals=
204: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
205:
206: my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,
207: $topLevelRight,$topLevelAttempted) = &getData($showPoints,$uname,$udom);
208:
209: if (ref($navmap)) {
210: &outputTable($r,$showPoints,$notshowTotals,$navmap,$totalParts,$totalPossible,
211: $totalRight,$totalAttempted,$topLevelParts,$topLevelRight,
212: $topLevelAttempted);
213: } else {
214: if ($cangrade) { $r->print("\n</form>\n"); }
215: my $requrl = $r->uri;
216: $env{'user.error.msg'} = "$requrl:bre:0:0:Navmap initialization failed.";
217: return HTTP_NOT_ACCEPTABLE;
218: }
219: if ($cangrade) { $r->print("\n</form>\n"); }
220: &endGradeScreen($r);
221: return OK;
222: }
223:
224: sub grades_blocked {
225: my ($r,$blocktext,$caller) = @_;
226: my $title = 'Points Display';
227: if ($caller eq 'spreadsheet') {
228: $title = 'Spreadsheet';
229: } elsif ($env{'course.'.$env{'request.course.id'}.'.grading'} ne 'standard') {
230: $title = 'Completed Problems Display';
231: }
232: my $brcrum = [{href=>"/adm/quickgrades",text => $title}];
233: &Apache::lonhtmlcommon::clear_breadcrumbs();
234: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/quickgrades',
235: text=> $title});
236: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
237: &Apache::loncommon::content_type($r,'text/html');
238: &Apache::loncommon::no_cache($r);
239: $r->send_http_header;
240: $r->print(&Apache::loncommon::start_page($title).
241: $breadcrumbs.
242: $blocktext.
243: &Apache::loncommon::end_page());
244: return;
245: }
246:
247: #
248: # Go through the complete course and collect data
249: #
250:
251: sub getData {
252:
253: my ($showPoints,$uname,$udom)=@_;
254:
255: # Create the nav map
256: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
257:
258: if (!defined($navmap)) {
259: return ();
260: }
261:
262: my $res = $navmap->firstResource(); # temp resource to access constants
263:
264: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
265: my $depth = 1;
266: $iterator->next(); # ignore first BEGIN_MAP
267: my $curRes = $iterator->next();
268:
269: # General overview of the following: Walk along the course resources.
270: # For every problem in the resource, tell its parent maps how many
271: # parts and how many parts correct it has. After that, each map will
272: # have a count of the total parts underneath it, correct and otherwise.
273: # After that, we will walk through the course again and read off
274: # maps in order, with their data.
275: # (If in the future people decide not to be cumulative, only add
276: # the counts to the parent map.)
277: # For convenience, "totalParts" is also "totalPoints" when we're looking
278: # at points; I can't come up with a variable name that makes sense
279: # equally for both cases.
280:
281: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
282: my $totalAttempted = 0;
283: my $now = time();
284: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
285:
286: # Pre-run: Count parts correct
287: while ( $depth > 0 ) {
288: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
289: if ($curRes == $iterator->END_MAP()) { $depth--; }
290:
291: if (ref($curRes) && $curRes->is_gradable() && !$curRes->randomout)
292: {
293: # Get number of correct, incorrect parts
294: my $parts = $curRes->parts();
295: my $partsRight = 0;
296: my $partsCount = 0;
297: my $partsAttempted = 0;
298: my $stack = $iterator->getStack();
299:
300: for my $part (@{$parts}) {
301: my $dateStatus = $curRes->getDateStatus($part);
302: my $weight = $curRes->weight($part);
303: my $problemstatus = $curRes->problemstatus($part);
304:
305: if ($curRes->solved($part) eq 'excused') {
306: next;
307: }
308: if ($showPoints) {
309: my $score = 0;
310: # If we're not telling status and the answer date isn't passed yet,
311: # it's an "attempted" point
312: if ((($problemstatus eq 'no') ||
313: ($problemstatus eq 'no_feedback_ever')) &&
314: ($dateStatus != $curRes->ANSWER_OPEN)) {
315: my $status = $curRes->simpleStatus($part);
316: if ($status == $curRes->ATTEMPTED) {
317: $partsAttempted += $weight;
318: $totalAttempted += $partsAttempted;
319: }
320: } else {
321: $score = &Apache::grades::compute_points($weight, $curRes->awarded($part));
322: }
323: $partsRight += $score;
324: $totalRight += $score;
325: $partsCount += $weight;
326:
327: if ($curRes->opendate($part) < $now) {
328: $totalPossible += $weight;
329: }
330: $totalParts += $weight;
331: } else {
332: my $status = $curRes->simpleStatus($part);
333: my $thisright = 0;
334: $partsCount++;
335: if ($status == $curRes->CORRECT ||
336: $status == $curRes->PARTIALLY_CORRECT ) {
337: $partsRight++;
338: $totalRight++;
339: $thisright = 1;
340: }
341:
342: if ($status == $curRes->ATTEMPTED) {
343: $partsAttempted++;
344: $totalAttempted++;
345: }
346:
347: $totalParts++;
348: if ($curRes->opendate($part) < $now) {
349: $totalPossible++;
350: }
351: }
352: }
353:
354: if ($depth == 1) { # in top-level only
355: $topLevelParts += $partsCount;
356: $topLevelRight += $partsRight;
357: $topLevelAttempted += $partsAttempted;
358: }
359:
360: # Crawl down stack and record parts correct and total
361: for my $res (@{$stack}) {
362: if (ref($res) && $res->is_map()) {
363: if (!defined($res->{DATA}->{CHILD_PARTS})) {
364: $res->{DATA}->{CHILD_PARTS} = 0;
365: $res->{DATA}->{CHILD_CORRECT} = 0;
366: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
367: }
368:
369: $res->{DATA}->{CHILD_PARTS} += $partsCount;
370: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
371: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
372: }
373: }
374: }
375: $curRes = $iterator->next();
376: }
377: return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,
378: $topLevelParts,$topLevelRight,$topLevelAttempted);
379: }
380:
381: #
382: # Outputting everything.
383: #
384:
385: sub outputTable {
386:
387: my ($r,$showPoints,$notshowTotals,$navmap,$totalParts,$totalPossible,$totalRight,
388: $totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
389:
390: my @start = (255, 255, 192);
391: my @end = (0, 192, 0);
392:
393: my $indentString = ' ';
394:
395: # Second pass: Print the maps.
396: $r->print(&Apache::loncommon::start_data_table()
397: .&Apache::loncommon::start_data_table_header_row()
398: .'<th>'.&mt('Folder').'</th>');
399: my $title = &mt($showPoints ? "Points Scored" : "Done");
400: if ($totalAttempted) {
401: $title .= " / " . &mt("Attempted");
402: }
403: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
404: .&Apache::loncommon::end_data_table_header_row());
405: #
406: # Output of folder scores
407: #
408:
409: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
410: my $depth = 1;
411: $iterator->next(); # ignore first BEGIN_MAP
412: my $curRes = $iterator->next();
413:
414: while ($depth > 0) {
415: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
416: if ($curRes == $iterator->END_MAP()) { $depth--; }
417:
418: if (ref($curRes) && $curRes->is_map()) {
419: my $title = $curRes->compTitle();
420:
421: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
422: my $total = $curRes->{DATA}->{CHILD_PARTS};
423: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
424:
425: if ($total > 0) {
426: my $ratio;
427: $ratio = $correct / $total;
428: my $color = &mixColors(\@start, \@end, $ratio);
429: $r->print(&Apache::loncommon::start_data_table_row()
430: .'<td style="background-color:'.$color.';">');
431:
432: my $thisIndent = '';
433: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
434:
435: $r->print("$thisIndent$title</td>");
436: if ($totalAttempted) {
437: $r->print('<td valign="top">'
438: .$thisIndent
439: .'<span class="LC_nobreak">'
440: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
441: .'</span></td>'
442: .&Apache::loncommon::end_data_table_row()
443: );
444: } else {
445: $r->print('<td valign="top">'
446: .$thisIndent
447: .'<span class="LC_nobreak">'
448: .$correct.($notshowTotals?'':' / '.$total)
449: .'</span></td>'
450: .&Apache::loncommon::end_data_table_row());
451: }
452: }
453: }
454:
455: $curRes = $iterator->next();
456: }
457:
458: # If there were any problems at the top level, print an extra "catchall"
459: if ($topLevelParts > 0) {
460: my $ratio = $topLevelRight / $topLevelParts;
461: my $color = &mixColors(\@start, \@end, $ratio);
462: $r->print(&Apache::loncommon::start_data_table_row()
463: .'<td style="background-color:'.$color.';">');
464: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
465: $r->print("$topLevelRight / $topLevelParts</td>"
466: .&Apache::loncommon::end_data_table_row());
467: }
468:
469: #
470: # show totals (if applicable), close table
471: #
472: if ($showPoints) {
473: my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
474:
475: $title = $showPoints ? "Points" : "Parts Done";
476: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
477: $r->print(&Apache::loncommon::start_data_table_row()
478: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
479: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
480: $title = $showPoints ? "Points" : "Parts";
481: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
482: .&Apache::loncommon::end_data_table_row());
483: }
484:
485: $r->print(&Apache::loncommon::end_data_table());
486: return;
487: }
488:
489: sub startpage {
490: my ($r,$showPoints) = @_;
491: my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
492: my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
493: $r->print(&Apache::loncommon::start_page($title,undef,
494: {'bread_crumbs' => $brcrum})
495: );
496: }
497:
498: sub startGradeScreen {
499: my ($r)=@_;
500:
501: my $showPoints =
502: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
503: my $notshowSPRSlink =
504: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
505: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
506: my $notshowTotals =
507: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
508: my $showSPRSlink =
509: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'spreadsheet';
510:
511: my $allowed_to_view = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
512: if ((!$allowed_to_view) && ($env{'request.course.sec'} ne '')) {
513: $allowed_to_view = &Apache::lonnet::allowed('vgr',
514: "$env{'request.course.id'}/$env{'request.course.sec'}");
515: }
516:
517: my $allowed_to_edit = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
518: if ((!$allowed_to_edit) && ($env{'request.course.sec'} ne '')) {
519: $allowed_to_edit = &Apache::lonnet::allowed('mgr',
520: "$env{'request.course.id'}/$env{'request.course.sec'}");
521: }
522:
523: if ($allowed_to_view) {
524: my @notes;
525: push(@notes,&mt('Students do not see total points.')) if ($notshowTotals);
526: push(@notes,&mt('Students do not see link to spreadsheet.')) if ($notshowSPRSlink);
527: push(@notes,&mt('Students will see points based on problem weights.')) if ($showPoints);
528: push(@notes,&mt('Students will see link to spreadsheet.')) if ($showSPRSlink);
529: push(@notes,&Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
530: $r->print(&Apache::loncommon::head_subbox(join(' ',@notes)));
531: } elsif (!$allowed_to_edit) {
532: if (!$showPoints && !$notshowSPRSlink ) {
533: $r->print(&Apache::loncommon::head_subbox(
534: &mt('This screen shows how many problems (or problem parts) you have completed'
535: .', and how many you have not yet done.'
536: .' You can also look at [_1]a detailed score sheet[_2].'
537: ,'<a href="/adm/studentcalc">','</a>')));
538: }
539: }
540: return;
541: }
542:
543: sub endGradeScreen {
544: my ($r)=@_;
545: $r->print(&Apache::loncommon::end_page());
546: return;
547: }
548:
549: # Pass this two refs to arrays for the start and end color, and a number
550: # from 0 to 1 for how much of the latter you want to mix in. It will
551: # return a string ready to show ("#FFC309");
552: sub mixColors {
553: my $start = shift;
554: my $end = shift;
555: my $ratio = shift;
556:
557: my ($a,$b);
558: my $final = "";
559: $a = $start->[0]; $b = $end->[0];
560: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
561: $a = $start->[1]; $b = $end->[1];
562: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
563: $a = $start->[2]; $b = $end->[2];
564: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
565:
566: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
567: return "#" . $final;
568: }
569:
570: 1;
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