1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.49.6.6.2.1 2020/09/08 04:24:18 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 ($blocked,$blocktext) =
71: &Apache::loncommon::blocking_status('grades',$cnum,$cdom);
72: if ($blocked) {
73: my $checkrole = "cm./$cdom/$cnum";
74: if ($env{'request.course.sec'} ne '') {
75: $checkrole .= "/$env{'request.course.sec'}";
76: }
77: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
78: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
79: &grades_blocked($r,$blocktext,$showPoints);
80: return OK;
81: }
82: }
83: }
84:
85: unless ($cangrade) {
86: # Check for critical messages and redirect if present.
87: my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'grades');
88: if ($redirect) {
89: &Apache::loncommon::content_type($r,'text/html');
90: $r->header_out(Location => $url);
91: return REDIRECT;
92: }
93:
94: # Check if course needs to be re-initialized
95: my $loncaparev = $r->dir_config('lonVersion');
96: ($reinitresult,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
97:
98: if ($reinitresult eq 'switch') {
99: &Apache::loncommon::content_type($r,'text/html');
100: $r->send_http_header;
101: $r->print(&Apache::loncommon::check_release_result(@reinit));
102: return OK;
103: } elsif ($reinitresult eq 'update') {
104: my $cid = $env{'request.course.id'};
105: my $cnum = $env{'course.'.$cid.'.num'};
106: my $cdom = $env{'course.'.$cid.'.domain'};
107: &Apache::loncommon::content_type($r,'text/html');
108: $r->send_http_header;
109: &startpage($r,$showPoints);
110: my $preamble = '<div id="LC_update_'.$cid.'" class="LC_info">'.
111: '<br />'.
112: &mt('Your course session is being updated because of recent changes by course personnel.').
113: ' '.&mt('Please be patient.').'<br /></div>'.
114: '<div style="padding:0;clear:both;margin:0;border:0"></div>';
115: my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble);
116: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course'));
117: $r->rflush();
118: my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
119: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished'));
120: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
121: my $closure = <<ENDCLOSE;
122: <script type="text/javascript">
123: // <![CDATA[
124: \$("#LC_update_$cid").hide('slow');
125: // ]]>
126: </script>
127: ENDCLOSE
128: if ($ferr) {
129: $r->print($closure.&Apache::loncommon::end_page());
130: my $requrl = $r->uri;
131: $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
132: $env{'user.reinit'} = 1;
133: return HTTP_NOT_ACCEPTABLE;
134: } else {
135: $r->print($closure);
136: }
137: }
138: }
139:
140: unless ($reinitresult eq 'update') {
141: # Send header, don't cache this page
142: &Apache::loncommon::no_cache($r);
143: $r->send_http_header;
144: &startpage($r,$showPoints);
145: }
146: $r->rflush();
147:
148: &startGradeScreen($r);
149:
150: #
151: # Pick student
152: #
153: my $uname;
154: my $udom;
155: my $stdid;
156: if ($cangrade) {
157: if ($env{'form.uname'}) { $uname=$env{'form.uname'}; }
158: if ($env{'form.udom'}) { $udom=$env{'form.udom'}; }
159: if ($env{'form.id'}) { $stdid=$env{'form.id'}; }
160: if (($stdid) && ($udom)) {
161: $uname=(&Apache::lonnet::idget($udom,[$stdid],'ids'))[1];
162: }
163: if (($stdid) && (!$uname)) {
164: $r->print('<p><span class="LC_warning">'.&mt("Unknown Student/Employee ID: [_1]",$stdid).'</span></p>');
165: $stdid='';
166: }
167: if (($uname eq '') && ($udom eq '')) {
168: $uname = $env{'user.name'};
169: $udom = $env{'user.domain'};
170: }
171: $r->print('<form method="post" name="quickform" action="/adm/quickgrades">');
172: my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
173: &Apache::loncommon::selectstudent_link('quickform','uname','udom');
174: $r->print("<p>\n".&Apache::loncommon::studentbrowser_javascript()."\n");
175: $r->print(&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
176: ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
177: ,'<input type="text" value="'.$stdid.'" size="12" name="id" /> '
178: ,$chooseopt).
179: ' <input type="submit" name="display" value="'.&mt('Display Individual Student').'" /></p>');
180: if (($uname) && ($udom)) {
181: $r->print('<p>'.&mt('Full Name: [_1]',&Apache::loncommon::plainname($uname,$udom)).'</p>');
182: }
183: } else {
184: $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
185: }
186: $r->rflush();
187:
188: my $notshowTotals=
189: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
190:
191: my ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,$topLevelParts,
192: $topLevelRight,$topLevelAttempted) = &getData($showPoints,$uname,$udom);
193:
194: if (ref($navmap)) {
195: &outputTable($r,$showPoints,$notshowTotals,$navmap,$totalParts,$totalPossible,
196: $totalRight,$totalAttempted,$topLevelParts,$topLevelRight,
197: $topLevelAttempted);
198: } else {
199: if ($cangrade) { $r->print("\n</form>\n"); }
200: my $requrl = $r->uri;
201: $env{'user.error.msg'} = "$requrl:bre:0:0:Navmap initialization failed.";
202: return HTTP_NOT_ACCEPTABLE;
203: }
204: if ($cangrade) { $r->print("\n</form>\n"); }
205: &endGradeScreen($r);
206: return OK;
207: }
208:
209: sub grades_blocked {
210: my ($r,$blocktext,$caller) = @_;
211: my $title = 'Points Display';
212: if ($caller eq 'spreadsheet') {
213: $title = 'Spreadsheet';
214: } elsif ($env{'course.'.$env{'request.course.id'}.'.grading'} ne 'standard') {
215: $title = 'Completed Problems Display';
216: }
217: my $brcrum = [{href=>"/adm/quickgrades",text => $title}];
218: &Apache::lonhtmlcommon::clear_breadcrumbs();
219: &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/quickgrades',
220: text=> $title});
221: my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
222: &Apache::loncommon::content_type($r,'text/html');
223: &Apache::loncommon::no_cache($r);
224: $r->send_http_header;
225: $r->print(&Apache::loncommon::start_page($title).
226: $breadcrumbs.
227: $blocktext.
228: &Apache::loncommon::end_page());
229: return;
230: }
231:
232: #
233: # Go through the complete course and collect data
234: #
235:
236: sub getData {
237:
238: my ($showPoints,$uname,$udom)=@_;
239:
240: # Create the nav map
241: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
242:
243: if (!defined($navmap)) {
244: return ();
245: }
246:
247: my $res = $navmap->firstResource(); # temp resource to access constants
248:
249: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
250: my $depth = 1;
251: $iterator->next(); # ignore first BEGIN_MAP
252: my $curRes = $iterator->next();
253:
254: # General overview of the following: Walk along the course resources.
255: # For every problem in the resource, tell its parent maps how many
256: # parts and how many parts correct it has. After that, each map will
257: # have a count of the total parts underneath it, correct and otherwise.
258: # After that, we will walk through the course again and read off
259: # maps in order, with their data.
260: # (If in the future people decide not to be cumulative, only add
261: # the counts to the parent map.)
262: # For convenience, "totalParts" is also "totalPoints" when we're looking
263: # at points; I can't come up with a variable name that makes sense
264: # equally for both cases.
265:
266: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
267: my $totalAttempted = 0;
268: my $now = time();
269: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
270:
271: # Pre-run: Count parts correct
272: while ( $depth > 0 ) {
273: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
274: if ($curRes == $iterator->END_MAP()) { $depth--; }
275:
276: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
277: {
278: # Get number of correct, incorrect parts
279: my $parts = $curRes->parts();
280: my $partsRight = 0;
281: my $partsCount = 0;
282: my $partsAttempted = 0;
283: my $stack = $iterator->getStack();
284:
285: for my $part (@{$parts}) {
286: my $dateStatus = $curRes->getDateStatus($part);
287: my $weight = $curRes->weight($part);
288: my $problemstatus = $curRes->problemstatus($part);
289:
290: if ($curRes->solved($part) eq 'excused') {
291: next;
292: }
293: if ($showPoints) {
294: my $score = 0;
295: # If we're not telling status and the answer date isn't passed yet,
296: # it's an "attempted" point
297: if ((($problemstatus eq 'no') ||
298: ($problemstatus eq 'no_feedback_ever')) &&
299: ($dateStatus != $curRes->ANSWER_OPEN)) {
300: my $status = $curRes->simpleStatus($part);
301: if ($status == $curRes->ATTEMPTED) {
302: $partsAttempted += $weight;
303: $totalAttempted += $partsAttempted;
304: }
305: } else {
306: $score = &Apache::grades::compute_points($weight, $curRes->awarded($part));
307: }
308: $partsRight += $score;
309: $totalRight += $score;
310: $partsCount += $weight;
311:
312: if ($curRes->opendate($part) < $now) {
313: $totalPossible += $weight;
314: }
315: $totalParts += $weight;
316: } else {
317: my $status = $curRes->simpleStatus($part);
318: my $thisright = 0;
319: $partsCount++;
320: if ($status == $curRes->CORRECT ||
321: $status == $curRes->PARTIALLY_CORRECT ) {
322: $partsRight++;
323: $totalRight++;
324: $thisright = 1;
325: }
326:
327: if ($status == $curRes->ATTEMPTED) {
328: $partsAttempted++;
329: $totalAttempted++;
330: }
331:
332: $totalParts++;
333: if ($curRes->opendate($part) < $now) {
334: $totalPossible++;
335: }
336: }
337: }
338:
339: if ($depth == 1) { # in top-level only
340: $topLevelParts += $partsCount;
341: $topLevelRight += $partsRight;
342: $topLevelAttempted += $partsAttempted;
343: }
344:
345: # Crawl down stack and record parts correct and total
346: for my $res (@{$stack}) {
347: if (ref($res) && $res->is_map()) {
348: if (!defined($res->{DATA}->{CHILD_PARTS})) {
349: $res->{DATA}->{CHILD_PARTS} = 0;
350: $res->{DATA}->{CHILD_CORRECT} = 0;
351: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
352: }
353:
354: $res->{DATA}->{CHILD_PARTS} += $partsCount;
355: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
356: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
357: }
358: }
359: }
360: $curRes = $iterator->next();
361: }
362: return ($navmap,$totalParts,$totalPossible,$totalRight,$totalAttempted,
363: $topLevelParts,$topLevelRight,$topLevelAttempted);
364: }
365:
366: #
367: # Outputting everything.
368: #
369:
370: sub outputTable {
371:
372: my ($r,$showPoints,$notshowTotals,$navmap,$totalParts,$totalPossible,$totalRight,
373: $totalAttempted,$topLevelParts,$topLevelRight,$topLevelAttempted)=@_;
374:
375: my @start = (255, 255, 192);
376: my @end = (0, 192, 0);
377:
378: my $indentString = ' ';
379:
380: # Second pass: Print the maps.
381: $r->print(&Apache::loncommon::start_data_table()
382: .&Apache::loncommon::start_data_table_header_row()
383: .'<th>'.&mt('Folder').'</th>');
384: my $title = &mt($showPoints ? "Points Scored" : "Done");
385: if ($totalAttempted) {
386: $title .= " / " . &mt("Attempted");
387: }
388: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
389: .&Apache::loncommon::end_data_table_header_row());
390: #
391: # Output of folder scores
392: #
393:
394: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
395: my $depth = 1;
396: $iterator->next(); # ignore first BEGIN_MAP
397: my $curRes = $iterator->next();
398:
399: while ($depth > 0) {
400: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
401: if ($curRes == $iterator->END_MAP()) { $depth--; }
402:
403: if (ref($curRes) && $curRes->is_map()) {
404: my $title = $curRes->compTitle();
405:
406: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
407: my $total = $curRes->{DATA}->{CHILD_PARTS};
408: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
409:
410: if ($total > 0) {
411: my $ratio;
412: $ratio = $correct / $total;
413: my $color = &mixColors(\@start, \@end, $ratio);
414: $r->print(&Apache::loncommon::start_data_table_row()
415: .'<td style="background-color:'.$color.';">');
416:
417: my $thisIndent = '';
418: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
419:
420: $r->print("$thisIndent$title</td>");
421: if ($totalAttempted) {
422: $r->print('<td valign="top">'
423: .$thisIndent
424: .'<span class="LC_nobreak">'
425: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
426: .'</span></td>'
427: .&Apache::loncommon::end_data_table_row()
428: );
429: } else {
430: $r->print('<td valign="top">'
431: .$thisIndent
432: .'<span class="LC_nobreak">'
433: .$correct.($notshowTotals?'':' / '.$total)
434: .'</span></td>'
435: .&Apache::loncommon::end_data_table_row());
436: }
437: }
438: }
439:
440: $curRes = $iterator->next();
441: }
442:
443: # If there were any problems at the top level, print an extra "catchall"
444: if ($topLevelParts > 0) {
445: my $ratio = $topLevelRight / $topLevelParts;
446: my $color = &mixColors(\@start, \@end, $ratio);
447: $r->print(&Apache::loncommon::start_data_table_row()
448: .'<td style="background-color:'.$color.';">');
449: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
450: $r->print("$topLevelRight / $topLevelParts</td>"
451: .&Apache::loncommon::end_data_table_row());
452: }
453:
454: #
455: # show totals (if applicable), close table
456: #
457: if ($showPoints) {
458: my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
459:
460: $title = $showPoints ? "Points" : "Parts Done";
461: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
462: $r->print(&Apache::loncommon::start_data_table_row()
463: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
464: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
465: $title = $showPoints ? "Points" : "Parts";
466: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
467: .&Apache::loncommon::end_data_table_row());
468: }
469:
470: $r->print(&Apache::loncommon::end_data_table());
471: return;
472: }
473:
474: sub startpage {
475: my ($r,$showPoints) = @_;
476: my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
477: my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
478: $r->print(&Apache::loncommon::start_page($title,undef,
479: {'bread_crumbs' => $brcrum})
480: );
481: }
482:
483: sub startGradeScreen {
484: my ($r)=@_;
485:
486: my $showPoints =
487: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
488: my $notshowSPRSlink =
489: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
490: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
491: my $notshowTotals =
492: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
493: my $showSPRSlink =
494: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'spreadsheet';
495:
496: my $allowed_to_view = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
497: if ((!$allowed_to_view) && ($env{'request.course.sec'} ne '')) {
498: $allowed_to_view = &Apache::lonnet::allowed('vgr',
499: "$env{'request.course.id'}/$env{'request.course.sec'}");
500: }
501:
502: my $allowed_to_edit = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
503: if ((!$allowed_to_edit) && ($env{'request.course.sec'} ne '')) {
504: $allowed_to_edit = &Apache::lonnet::allowed('mgr',
505: "$env{'request.course.id'}/$env{'request.course.sec'}");
506: }
507:
508: if ($allowed_to_view) {
509: my @notes;
510: push(@notes,&mt('Students do not see total points.')) if ($notshowTotals);
511: push(@notes,&mt('Students do not see link to spreadsheet.')) if ($notshowSPRSlink);
512: push(@notes,&mt('Students will see points based on problem weights.')) if ($showPoints);
513: push(@notes,&mt('Students will see link to spreadsheet.')) if ($showSPRSlink);
514: push(@notes,&Apache::lonhtmlcommon::coursepreflink(&mt('Grade display settings'),'grading'));
515: $r->print(&Apache::loncommon::head_subbox(join(' ',@notes)));
516: } elsif (!$allowed_to_edit) {
517: if (!$showPoints && !$notshowSPRSlink ) {
518: $r->print(&Apache::loncommon::head_subbox(
519: &mt('This screen shows how many problems (or problem parts) you have completed'
520: .', and how many you have not yet done.'
521: .' You can also look at [_1]a detailed score sheet[_2].'
522: ,'<a href="/adm/studentcalc">','</a>')));
523: }
524: }
525: return;
526: }
527:
528: sub endGradeScreen {
529: my ($r)=@_;
530: $r->print(&Apache::loncommon::end_page());
531: return;
532: }
533:
534: # Pass this two refs to arrays for the start and end color, and a number
535: # from 0 to 1 for how much of the latter you want to mix in. It will
536: # return a string ready to show ("#FFC309");
537: sub mixColors {
538: my $start = shift;
539: my $end = shift;
540: my $ratio = shift;
541:
542: my ($a,$b);
543: my $final = "";
544: $a = $start->[0]; $b = $end->[0];
545: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
546: $a = $start->[1]; $b = $end->[1];
547: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
548: $a = $start->[2]; $b = $end->[2];
549: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
550:
551: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
552: return "#" . $final;
553: }
554:
555: 1;
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