1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.49.6.5.2.1 2020/05/25 16:45:31 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 $showPoints =
62: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
63:
64: my $reinitresult;
65:
66: unless (&Apache::lonnet::allowed('mgr')) {
67: # Check for critical messages and redirect if present.
68: my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'grades');
69: if ($redirect) {
70: &Apache::loncommon::content_type($r,'text/html');
71: $r->header_out(Location => $url);
72: return REDIRECT;
73: }
74:
75: # Check if course needs to be re-initialized
76: my $loncaparev = $r->dir_config('lonVersion');
77: ($reinitresult,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
78:
79: if ($reinitresult eq 'switch') {
80: &Apache::loncommon::content_type($r,'text/html');
81: $r->send_http_header;
82: $r->print(&Apache::loncommon::check_release_result(@reinit));
83: return OK;
84: } elsif ($reinitresult eq 'update') {
85: my $cid = $env{'request.course.id'};
86: my $cnum = $env{'course.'.$cid.'.num'};
87: my $cdom = $env{'course.'.$cid.'.domain'};
88: &Apache::loncommon::content_type($r,'text/html');
89: $r->send_http_header;
90: &startpage($r,$showPoints);
91: my $preamble = '<div id="LC_update_'.$cid.'" class="LC_info">'.
92: '<br />'.
93: &mt('Your course session is being updated because of recent changes by course personnel.').
94: ' '.&mt('Please be patient.').'<br /></div>'.
95: '<div style="padding:0;clear:both;margin:0;border:0"></div>';
96: my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble);
97: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course'));
98: $r->rflush();
99: my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
100: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished'));
101: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
102: my $closure = <<ENDCLOSE;
103: <script type="text/javascript">
104: // <![CDATA[
105: \$("#LC_update_$cid").hide('slow');
106: // ]]>
107: </script>
108: ENDCLOSE
109: if ($ferr) {
110: $r->print($closure.&Apache::loncommon::end_page());
111: my $requrl = $r->uri;
112: $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
113: $env{'user.reinit'} = 1;
114: return HTTP_NOT_ACCEPTABLE;
115: } else {
116: $r->print($closure);
117: }
118: }
119: }
120:
121: unless ($reinitresult eq 'update') {
122: # Send header, don't cache this page
123: &Apache::loncommon::no_cache($r);
124: $r->send_http_header;
125: &startpage($r,$showPoints);
126: }
127: $r->rflush();
128:
129: my $notshowSPRSlink =
130: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
131: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
132: my $notshowTotals=
133: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
134:
135: # Create the nav map
136: my $navmap = Apache::lonnavmaps::navmap->new();
137:
138: if (!defined($navmap)) {
139: my $requrl = $r->uri;
140: $env{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";
141: return HTTP_NOT_ACCEPTABLE;
142: }
143:
144: # Keep this hash in sync with %statusIconMap in lonnavmaps; they
145: # should match color/icon
146: my $res = $navmap->firstResource(); # temp resource to access constants
147:
148: if (!$showPoints && !$notshowSPRSlink ) {
149: $r->print('<p>'
150: .&mt('This screen shows how many problems (or problem parts) you have completed'
151: .', and how many you have not yet done.'
152: .' You can also look at [_1]a detailed score sheet[_2].'
153: ,'<a href="/adm/studentcalc">','</a>')
154: .'</p>');
155: }
156:
157: $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
158:
159: $r->rflush();
160:
161: # End navmap using boilerplate
162:
163: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
164: my $depth = 1;
165: $iterator->next(); # ignore first BEGIN_MAP
166: my $curRes = $iterator->next();
167:
168: # General overview of the following: Walk along the course resources.
169: # For every problem in the resource, tell its parent maps how many
170: # parts and how many parts correct it has. After that, each map will
171: # have a count of the total parts underneath it, correct and otherwise.
172: # After that, we will walk through the course again and read off
173: # maps in order, with their data.
174: # (If in the future people decide not to be cumulative, only add
175: # the counts to the parent map.)
176: # For convenience, "totalParts" is also "totalPoints" when we're looking
177: # at points; I can't come up with a variable name that makes sense
178: # equally for both cases.
179:
180: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
181: my $totalAttempted = 0;
182: my $now = time();
183: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
184:
185: # Pre-run: Count parts correct
186: while ( $depth > 0 ) {
187: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
188: if ($curRes == $iterator->END_MAP()) { $depth--; }
189:
190: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
191: {
192: # Get number of correct, incorrect parts
193: my $parts = $curRes->parts();
194: my $partsRight = 0;
195: my $partsCount = 0;
196: my $partsAttempted = 0;
197: my $stack = $iterator->getStack();
198:
199: for my $part (@{$parts}) {
200: my $completionStatus = $curRes->getCompletionStatus($part);
201: my $dateStatus = $curRes->getDateStatus($part);
202:
203: if ($completionStatus == $curRes->EXCUSED()) {
204: next;
205: }
206: if ($showPoints) {
207: my $score = 0;
208: # If we're not telling status and the answer date isn't passed yet,
209: # it's an "attempted" point
210: if ((($curRes->problemstatus($part) eq 'no') ||
211: ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
212: ($dateStatus != $curRes->ANSWER_OPEN)) {
213: my $status = $curRes->simpleStatus($part);
214: if ($status == $curRes->ATTEMPTED) {
215: $partsAttempted += $curRes->weight($part);
216: $totalAttempted += $partsAttempted;
217: }
218: } else {
219: $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
220: }
221: $partsRight += $score;
222: $totalRight += $score;
223: $partsCount += $curRes->weight($part);
224:
225: if ($curRes->opendate($part) < $now) {
226: $totalPossible += $curRes->weight($part);
227: }
228: $totalParts += $curRes->weight($part);
229: } else {
230: my $status = $curRes->simpleStatus($part);
231: my $thisright = 0;
232: $partsCount++;
233: if ($status == $curRes->CORRECT ||
234: $status == $curRes->PARTIALLY_CORRECT ) {
235: $partsRight++;
236: $totalRight++;
237: $thisright = 1;
238: }
239:
240: if ($status == $curRes->ATTEMPTED) {
241: $partsAttempted++;
242: $totalAttempted++;
243: }
244:
245: my $dateStatus = $curRes->getDateStatus($part);
246: $totalParts++;
247: if ($curRes->opendate($part) < $now) {
248: $totalPossible++;
249: }
250: }
251: }
252:
253: if ($depth == 1) { # in top-level only
254: $topLevelParts += $partsCount;
255: $topLevelRight += $partsRight;
256: $topLevelAttempted += $partsAttempted;
257: }
258:
259: # Crawl down stack and record parts correct and total
260: for my $res (@{$stack}) {
261: if (ref($res) && $res->is_map()) {
262: if (!defined($res->{DATA}->{CHILD_PARTS})) {
263: $res->{DATA}->{CHILD_PARTS} = 0;
264: $res->{DATA}->{CHILD_CORRECT} = 0;
265: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
266: }
267:
268: $res->{DATA}->{CHILD_PARTS} += $partsCount;
269: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
270: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
271: }
272: }
273: }
274: $curRes = $iterator->next();
275: }
276:
277: $iterator = $navmap->getIterator(undef, undef, undef, 1);
278: $depth = 1;
279: $iterator->next(); # ignore first BEGIN_MAP
280: $curRes = $iterator->next();
281:
282: my @start = (255, 255, 192);
283: my @end = (0, 192, 0);
284:
285: my $indentString = ' ';
286:
287: # Second pass: Print the maps.
288: $r->print(&Apache::loncommon::start_data_table()
289: .&Apache::loncommon::start_data_table_header_row()
290: .'<th>'.&mt('Folder').'</th>');
291: my $title = &mt($showPoints ? "Points Scored" : "Done");
292: if ($totalAttempted) {
293: $title .= " / " . &mt("Attempted");
294: }
295: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
296: .&Apache::loncommon::end_data_table_header_row());
297: while ($depth > 0) {
298: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
299: if ($curRes == $iterator->END_MAP()) { $depth--; }
300:
301: if (ref($curRes) && $curRes->is_map()) {
302: my $title = $curRes->compTitle();
303:
304: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
305: my $total = $curRes->{DATA}->{CHILD_PARTS};
306: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
307:
308: if ($total > 0) {
309: my $ratio;
310: $ratio = $correct / $total;
311: my $color = &mixColors(\@start, \@end, $ratio);
312: $r->print(&Apache::loncommon::start_data_table_row()
313: .'<td style="background-color:'.$color.';">');
314:
315: my $thisIndent = '';
316: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
317:
318: $r->print("$thisIndent$title</td>");
319: if ($totalAttempted) {
320: $r->print('<td valign="top">'
321: .$thisIndent
322: .'<span class="LC_nobreak">'
323: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
324: .'</span></td>'
325: .&Apache::loncommon::end_data_table_row()
326: );
327: } else {
328: $r->print('<td valign="top">'
329: .$thisIndent
330: .'<span class="LC_nobreak">'
331: .$correct.($notshowTotals?'':' / '.$total)
332: .'</span></td>'
333: .&Apache::loncommon::end_data_table_row());
334: }
335: }
336: }
337:
338: $curRes = $iterator->next();
339: }
340:
341: # If there were any problems at the top level, print an extra "catchall"
342: if ($topLevelParts > 0) {
343: my $ratio = $topLevelRight / $topLevelParts;
344: my $color = &mixColors(\@start, \@end, $ratio);
345: $r->print(&Apache::loncommon::start_data_table_row()
346: .'<td style="background-color:'.$color.';">');
347: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
348: $r->print("$topLevelRight / $topLevelParts</td>"
349: .&Apache::loncommon::end_data_table_row());
350: }
351:
352: if ($showPoints) {
353: my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
354:
355: $title = $showPoints ? "Points" : "Parts Done";
356: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
357: $r->print(&Apache::loncommon::start_data_table_row()
358: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
359: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
360: $title = $showPoints ? "Points" : "Parts";
361: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
362: .&Apache::loncommon::end_data_table_row());
363: }
364:
365: $r->print(&Apache::loncommon::end_data_table()
366: .&Apache::loncommon::end_page());
367:
368: return OK;
369: }
370:
371: sub startpage {
372: my ($r,$showPoints) = @_;
373: my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
374: my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
375: $r->print(&Apache::loncommon::start_page($title,undef,
376: {'bread_crumbs' => $brcrum})
377: );
378: }
379:
380: # Pass this two refs to arrays for the start and end color, and a number
381: # from 0 to 1 for how much of the latter you want to mix in. It will
382: # return a string ready to show ("#FFC309");
383: sub mixColors {
384: my $start = shift;
385: my $end = shift;
386: my $ratio = shift;
387:
388: my ($a,$b);
389: my $final = "";
390: $a = $start->[0]; $b = $end->[0];
391: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
392: $a = $start->[1]; $b = $end->[1];
393: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
394: $a = $start->[2]; $b = $end->[2];
395: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
396:
397: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
398: return "#" . $final;
399: }
400:
401: 1;
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