1: # The LearningOnline Network with CAPA
2: # Quick Student Grades Display
3: #
4: # $Id: lonquickgrades.pm,v 1.49.6.3 2017/04/02 13:42:06 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: $r->send_http_header;
58: return OK;
59: }
60:
61: unless (&Apache::lonnet::allowed('mgr')) {
62: # Check for critical messages and redirect if present.
63: my ($redirect,$url) = &Apache::loncommon::critical_redirect(300);
64: if ($redirect) {
65: &Apache::loncommon::content_type($r,'text/html');
66: $r->header_out(Location => $url);
67: return REDIRECT;
68: }
69:
70: # Check if course needs to be re-initialized
71: my $loncaparev = $r->dir_config('lonVersion');
72: my ($result,@reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
73:
74: if ($result eq 'switch') {
75: &Apache::loncommon::content_type($r,'text/html');
76: $r->send_http_header;
77: $r->print(&Apache::loncommon::check_release_result(@reinit));
78: return OK;
79: } elsif ($result eq 'update') {
80: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
81: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
82: my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
83: if ($ferr) {
84: my $requrl = $r->uri;
85: $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
86: $env{'user.reinit'} = 1;
87: return HTTP_NOT_ACCEPTABLE;
88: }
89: }
90: }
91:
92: # Send header, don't cache this page
93: &Apache::loncommon::no_cache($r);
94: $r->send_http_header;
95:
96: my $showPoints =
97: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
98: my $notshowSPRSlink =
99: (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
100: || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
101: my $notshowTotals=
102: $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
103:
104: # Create the nav map
105: my $navmap = Apache::lonnavmaps::navmap->new();
106:
107: if (!defined($navmap)) {
108: my $requrl = $r->uri;
109: $env{'user.error.msg'} = "$requrl:bre:0:0:Navamp initialization failed.";
110: return HTTP_NOT_ACCEPTABLE;
111: }
112:
113: # Keep this hash in sync with %statusIconMap in lonnavmaps; they
114: # should match color/icon
115: my $res = $navmap->firstResource(); # temp resource to access constants
116:
117: # Header
118: my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
119: my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
120: $r->print(&Apache::loncommon::start_page($title,undef,
121: {'bread_crumbs' => $brcrum})
122: );
123:
124: if (!$showPoints && !$notshowSPRSlink ) {
125: $r->print('<p>'
126: .&mt('This screen shows how many problems (or problem parts) you have completed'
127: .', and how many you have not yet done.'
128: .' You can also look at [_1]a detailed score sheet[_2].'
129: ,'<a href="/adm/studentcalc">','</a>')
130: .'</p>');
131: }
132:
133: $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
134:
135: $r->rflush();
136:
137: # End navmap using boilerplate
138:
139: my $iterator = $navmap->getIterator(undef, undef, undef, 1);
140: my $depth = 1;
141: $iterator->next(); # ignore first BEGIN_MAP
142: my $curRes = $iterator->next();
143:
144: # General overview of the following: Walk along the course resources.
145: # For every problem in the resource, tell its parent maps how many
146: # parts and how many parts correct it has. After that, each map will
147: # have a count of the total parts underneath it, correct and otherwise.
148: # After that, we will walk through the course again and read off
149: # maps in order, with their data.
150: # (If in the future people decide not to be cumulative, only add
151: # the counts to the parent map.)
152: # For convenience, "totalParts" is also "totalPoints" when we're looking
153: # at points; I can't come up with a variable name that makes sense
154: # equally for both cases.
155:
156: my $totalParts = 0; my $totalPossible = 0; my $totalRight = 0;
157: my $totalAttempted = 0;
158: my $now = time();
159: my $topLevelParts = 0; my $topLevelRight = 0; my $topLevelAttempted = 0;
160:
161: # Pre-run: Count parts correct
162: while ( $depth > 0 ) {
163: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
164: if ($curRes == $iterator->END_MAP()) { $depth--; }
165:
166: if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout)
167: {
168: # Get number of correct, incorrect parts
169: my $parts = $curRes->parts();
170: my $partsRight = 0;
171: my $partsCount = 0;
172: my $partsAttempted = 0;
173: my $stack = $iterator->getStack();
174:
175: for my $part (@{$parts}) {
176: my $completionStatus = $curRes->getCompletionStatus($part);
177: my $dateStatus = $curRes->getDateStatus($part);
178:
179: if ($completionStatus == $curRes->EXCUSED()) {
180: next;
181: }
182: if ($showPoints) {
183: my $score = 0;
184: # If we're not telling status and the answer date isn't passed yet,
185: # it's an "attempted" point
186: if ((($curRes->problemstatus($part) eq 'no') ||
187: ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
188: ($dateStatus != $curRes->ANSWER_OPEN)) {
189: my $status = $curRes->simpleStatus($part);
190: if ($status == $curRes->ATTEMPTED) {
191: $partsAttempted += $curRes->weight($part);
192: $totalAttempted += $partsAttempted;
193: }
194: } else {
195: $score = &Apache::grades::compute_points($curRes->weight($part), $curRes->awarded($part));
196: }
197: $partsRight += $score;
198: $totalRight += $score;
199: $partsCount += $curRes->weight($part);
200:
201: if ($curRes->opendate($part) < $now) {
202: $totalPossible += $curRes->weight($part);
203: }
204: $totalParts += $curRes->weight($part);
205: } else {
206: my $status = $curRes->simpleStatus($part);
207: my $thisright = 0;
208: $partsCount++;
209: if ($status == $curRes->CORRECT ||
210: $status == $curRes->PARTIALLY_CORRECT ) {
211: $partsRight++;
212: $totalRight++;
213: $thisright = 1;
214: }
215:
216: if ($status == $curRes->ATTEMPTED) {
217: $partsAttempted++;
218: $totalAttempted++;
219: }
220:
221: my $dateStatus = $curRes->getDateStatus($part);
222: $totalParts++;
223: if ($curRes->opendate($part) < $now) {
224: $totalPossible++;
225: }
226: }
227: }
228:
229: if ($depth == 1) { # in top-level only
230: $topLevelParts += $partsCount;
231: $topLevelRight += $partsRight;
232: $topLevelAttempted += $partsAttempted;
233: }
234:
235: # Crawl down stack and record parts correct and total
236: for my $res (@{$stack}) {
237: if (ref($res) && $res->is_map()) {
238: if (!defined($res->{DATA}->{CHILD_PARTS})) {
239: $res->{DATA}->{CHILD_PARTS} = 0;
240: $res->{DATA}->{CHILD_CORRECT} = 0;
241: $res->{DATA}->{CHILD_ATTEMPTED} = 0;
242: }
243:
244: $res->{DATA}->{CHILD_PARTS} += $partsCount;
245: $res->{DATA}->{CHILD_CORRECT} += $partsRight;
246: $res->{DATA}->{CHILD_ATTEMPTED} += $partsAttempted;
247: }
248: }
249: }
250: $curRes = $iterator->next();
251: }
252:
253: $iterator = $navmap->getIterator(undef, undef, undef, 1);
254: $depth = 1;
255: $iterator->next(); # ignore first BEGIN_MAP
256: $curRes = $iterator->next();
257:
258: my @start = (255, 255, 192);
259: my @end = (0, 192, 0);
260:
261: my $indentString = ' ';
262:
263: # Second pass: Print the maps.
264: $r->print(&Apache::loncommon::start_data_table()
265: .&Apache::loncommon::start_data_table_header_row()
266: .'<th>'.&mt('Folder').'</th>');
267: $title = &mt($showPoints ? "Points Scored" : "Done");
268: if ($totalAttempted) {
269: $title .= " / " . &mt("Attempted");
270: }
271: $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
272: .&Apache::loncommon::end_data_table_header_row());
273: while ($depth > 0) {
274: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
275: if ($curRes == $iterator->END_MAP()) { $depth--; }
276:
277: if (ref($curRes) && $curRes->is_map()) {
278: my $title = $curRes->compTitle();
279:
280: my $correct = $curRes->{DATA}->{CHILD_CORRECT};
281: my $total = $curRes->{DATA}->{CHILD_PARTS};
282: my $attempted = $curRes->{DATA}->{CHILD_ATTEMPTED};
283:
284: if ($total > 0) {
285: my $ratio;
286: $ratio = $correct / $total;
287: my $color = mixColors(\@start, \@end, $ratio);
288: $r->print(&Apache::loncommon::start_data_table_row()
289: .'<td style="background-color:'.$color.';">');
290:
291: my $thisIndent = '';
292: for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
293:
294: $r->print("$thisIndent$title</td>");
295: if ($totalAttempted) {
296: $r->print('<td valign="top">'
297: .$thisIndent
298: .'<span class="LC_nobreak">'
299: .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
300: .'</span></td>'
301: .&Apache::loncommon::end_data_table_row()
302: );
303: } else {
304: $r->print('<td valign="top">'
305: .$thisIndent
306: .'<span class="LC_nobreak">'
307: .$correct.($notshowTotals?'':' / '.$total)
308: .'</span></td>'
309: .&Apache::loncommon::end_data_table_row());
310: }
311: }
312: }
313:
314: $curRes = $iterator->next();
315: }
316:
317: # If there were any problems at the top level, print an extra "catchall"
318: if ($topLevelParts > 0) {
319: my $ratio = $topLevelRight / $topLevelParts;
320: my $color = mixColors(\@start, \@end, $ratio);
321: $r->print(&Apache::loncommon::start_data_table_row()
322: .'<td style="background-color:'.$color.';">');
323: $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
324: $r->print("$topLevelRight / $topLevelParts</td>"
325: .&Apache::loncommon::end_data_table_row());
326: }
327:
328: if ($showPoints) {
329: my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
330:
331: $title = $showPoints ? "Points" : "Parts Done";
332: my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
333: $r->print(&Apache::loncommon::start_data_table_row()
334: .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
335: $r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
336: $title = $showPoints ? "Points" : "Parts";
337: $r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
338: .&Apache::loncommon::end_data_table_row());
339: }
340:
341: $r->print(&Apache::loncommon::end_data_table()
342: .&Apache::loncommon::end_page());
343:
344: return OK;
345: }
346:
347: # Pass this two refs to arrays for the start and end color, and a number
348: # from 0 to 1 for how much of the latter you want to mix in. It will
349: # return a string ready to show ("#FFC309");
350: sub mixColors {
351: my $start = shift;
352: my $end = shift;
353: my $ratio = shift;
354:
355: my ($a,$b);
356: my $final = "";
357: $a = $start->[0]; $b = $end->[0];
358: my $mix1 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
359: $a = $start->[1]; $b = $end->[1];
360: my $mix2 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
361: $a = $start->[2]; $b = $end->[2];
362: my $mix3 = POSIX::floor((1-$ratio)*$a + $ratio*$b);
363:
364: $final = sprintf "%02x%02x%02x", $mix1, $mix2, $mix3;
365: return "#" . $final;
366: }
367:
368: 1;
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