1: # The LearningOnline Network with CAPA
2: # Homework Performance Chart
3: #
4: # (Navigate Maps Handler
5: #
6: # (Page Handler
7: #
8: # (TeX Content Handler
9: #
10: # 05/29/00,05/30 Gerd Kortemeyer)
11: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
12: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
13: #
14: # 3/1/1,6/1,17/1,29/1,30/1,31/1 Gerd Kortemeyer)
15: # 7/10/01 Behrouz Minaei
16: # 9/8 Gerd Kortemeyer
17: # 10/18/01, 10/19/01 Behrouz Minaei
18: # 11/17/01, 11/22/01, 11/24/01, 11/28/01 Behrouz Minaei
19:
20: package Apache::lonchart;
21:
22: use strict;
23: use Apache::Constants qw(:common :http);
24: use Apache::lonnet();
25: use HTML::TokeParser;
26: use GDBM_File;
27:
28: # -------------------------------------------------------------- Module Globals
29: my %hash;
30: my @cols;
31: my @rowlabels;
32: my @students;
33:
34: # ------------------------------------------------------------- Find out status
35:
36: sub ExtractStudentData {
37: my ($index,$coid)=@_;
38: my ($sname,$sdom) = split( /\:/, $students[$index] );
39: my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
40: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
41: my %result=();
42: my $ResId;
43: my $Code;
44: my $Tries;
45: my $Wrongs;
46: my %TempHash;
47: my $Version;
48: my $ProbNo;
49: my $PrTotal;
50: my $LatestVersion;
51: my $Str=substr($students[$index].
52: ' ',0,14).' ! '.
53: substr($rowlabels[$index].
54: ' ',0,45).' ! ';
55: unless ($reply=~/^error\:/) {
56: map {
57: my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
58: $result{$name}=$value;
59: } split(/\&/,$reply);
60: $ProbNo = 0;
61: $PrTotal = 0;
62: my $IterationNo = 0;
63: foreach $ResId (@cols) {
64: if ($IterationNo == 0) {$IterationNo++; next;}
65: if (!$ResId) {
66: my $PrNo = sprintf( "%3d", $ProbNo );
67: $Str .= ' '.'<font color="#007700">'.$PrNo.'</font> ';
68: $PrTotal += $ProbNo;
69: $ProbNo=0;
70: next;
71: }
72: $ResId=~/(\d+)\.(\d+)/;
73: my $meta=$hash{'src_'.$ResId};
74: my $PartNo = 0;
75: undef %TempHash;
76: map {
77: if ($_=~/^stores\_(\d+)\_tries$/) {
78: my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
79: if ( $TempHash{"$Part"} eq '' ) {
80: $TempHash{"$Part"} = $Part;
81: $TempHash{$PartNo}=$Part;
82: $TempHash{"$Part.Code"} = ' ';
83: $PartNo++;
84: }
85: }
86: } split(/\,/,&Apache::lonnet::metadata($meta,'keys'));
87:
88: my $Prob = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ).
89: '___'.$2.'___'.
90: &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
91: $Code=' ';
92: $Tries = 0;
93: $LatestVersion = $result{"version:$Prob"};
94:
95: if ( $LatestVersion ) {
96: for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
97: my $vkeys = $result{"$Version:keys:$Prob"};
98: my @keys = split(/\:/,$vkeys);
99:
100: foreach my $Key (@keys) {
101: if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
102: my $Part = $1;
103: $Tries = $result{"$Version:$Prob:resource.$Part.tries"};
104: $TempHash{"$Part.Tries"}=($Tries) ? $Tries : 0;
105: my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
106: if ($Val eq 'correct_by_student'){$Code='*';}
107: elsif ($Val eq 'correct_by_override'){$Code = '+';}
108: elsif ($Val eq 'incorrect_attempted'){$Code = '.';}
109: elsif ($Val eq 'incorrect_by_override'){$Code = '-';}
110: elsif ($Val eq 'excused'){$Code = 'x';}
111: elsif ($Val eq 'ungraded_attempted'){$Code = '#';}
112: else {$Code = ' ';}
113: $TempHash{"$Part.Code"} = $Code;
114: }
115: }
116: }
117: for ( my $n = 0; $n < $PartNo; $n++ ) {
118: my $part = $TempHash{$n};
119: if ($TempHash{"$part.Code"} eq '*') {
120: $ProbNo++;
121: if (($TempHash{"$part.Tries"}<10) ||
122: ($TempHash{"$part.Tries"} eq '')) {
123: $TempHash{"$part.Code"}=$TempHash{"$part.Tries"};
124: }
125: }
126: $Str .= $TempHash{"$part.Code"};
127: }
128: }
129: else {for(my $n=0; $n<$PartNo; $n++) {$Str.=' ';}}
130: }
131: }
132: my $PrTot = sprintf( "%5d", $PrTotal );
133: $Str .= ' '.'<font color="#000088">'.$PrTot.'</font> ';
134:
135: return $Str ;
136: }
137:
138:
139: # ------------------------------------------------------------ Build page table
140:
141: sub tracetable {
142: my ($rid,$beenhere)=@_;
143: unless ($beenhere=~/\&$rid\&/) {
144: $beenhere.=$rid.'&';
145: # new ... updating the map according to sequence and page
146: if (defined($hash{'is_map_'.$rid})) {
147: my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}};
148: if ( $cmap eq 'sequence' || $cmap eq 'page' ) {
149: $cols[$#cols+1]=0;
150: }
151: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
152: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
153: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
154:
155: &tracetable($hash{'map_start_'.$hash{'src_'.$rid}},
156: '&'.$frid.'&');
157:
158: if ($hash{'src_'.$frid}) {
159: if ($hash{'src_'.$frid}=~
160: /\.(problem|exam|quiz|assess|survey|form)$/) {
161: $cols[$#cols+1]=$frid;
162: }
163: }
164:
165: }
166: } else {
167: if ($hash{'src_'.$rid}) {
168: if ($hash{'src_'.$rid}=~
169: /\.(problem|exam|quiz|assess|survey|form)$/) {
170: $cols[$#cols+1]=$rid;
171: }
172: }
173: }
174: if (defined($hash{'to_'.$rid})) {
175: map {
176: &tracetable($hash{'goesto_'.$_},$beenhere);
177: } split(/\,/,$hash{'to_'.$rid});
178: }
179: }
180: }
181:
182: # ================================================================ Main Handler
183:
184: sub handler {
185: my $r=shift;
186:
187: if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
188: # ------------------------------------------- Set document type for header only
189:
190: if ($r->header_only) {
191: if ($ENV{'browser.mathml'}) {
192: $r->content_type('text/xml');
193: } else {
194: $r->content_type('text/html');
195: }
196: $r->send_http_header;
197: return OK;
198: }
199:
200: my $requrl=$r->uri;
201: # ----------------------------------------------------------------- Tie db file
202: if ($ENV{'request.course.fn'}) {
203: my $fn=$ENV{'request.course.fn'};
204: if (-e "$fn.db") {
205: if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
206: # ------------------------------------------------------------------- Hash tied
207:
208:
209: # ------------------------------------------------------------------ Build page
210:
211: # ---------------------------------------------------------------- Send headers
212:
213: $r->content_type('text/html');
214: $r->send_http_header;
215: $r->print(
216: '<html><head><title>LON-CAPA Assessment Chart</title></head>');
217:
218: $r->print('<body bgcolor="#FFFFFF">'.
219: '<script>window.focus();</script>'.
220: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
221: '<h1>Assessment Chart</h1>');
222:
223: # ---------------------------------------------------------------- Course title
224:
225: $r->print('<h1>'.
226: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.'</h1><h3>'.
227: localtime()."</h3><p><pre>1..9: correct by student in 1..9 tries\n".
228: " *: correct by student in more than 9 tries\n".
229: " +: correct by override\n".
230: " -: incorrect by override\n".
231: " .: incorrect attempted\n".
232: " #: ungraded attempted\n".
233: " : not attempted\n".
234: " x: excused</pre><p>");
235:
236: # ------------------------------- This is going to take a while, produce output
237:
238: $r->rflush();
239:
240: # ----------------------- Get first and last resource, see if there is anything
241:
242:
243: my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
244: my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
245: if (($firstres) && ($lastres)) {
246: # ----------------------------------------------------------------- Render page
247:
248: my $cid=$ENV{'request.course.id'};
249: my $chome=$ENV{'course.'.$cid.'.home'};
250: my ($cdom,$cnum)=split(/\_/,$cid);
251:
252: # ---------------------------------------------- Read class list and row labels
253:
254: undef @rowlabels;
255: undef @students;
256:
257: my $classlst=&Apache::lonnet::reply
258: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
259: my $now=time;
260: unless ($classlst=~/^error\:/) {
261: map {
262: my ($name,$value)=split(/\=/,$_);
263: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
264: my $active=1;
265: if (($end) && ($now>$end)) { $active=0; }
266: if ($active) {
267: my $thisindex=$#students+1;
268: $name=&Apache::lonnet::unescape($name);
269: $students[$thisindex]=$name;
270: my ($sname,$sdom)=split(/\:/,$name);
271: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
272: if ($ssec==-1) {
273: $rowlabels[$thisindex]=
274: 'Data not available: '.$name;
275: } else {
276: my %reply=&Apache::lonnet::idrget($sdom,$sname);
277: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
278: ':environment:lastname&generation&firstname&middlename',
279: &Apache::lonnet::homeserver($sname,$sdom));
280: $rowlabels[$thisindex]=
281: sprintf('%3s',$ssec).' '.$reply{$sname}.' ';
282: my $i=0;
283: map {
284: $i++;
285: if ( $_ ne '') {
286: $rowlabels[$thisindex].=&Apache::lonnet::unescape($_).' ';
287: }
288: if ($i == 2) {
289: chop($rowlabels[$thisindex]);
290: $rowlabels[$thisindex].=', ';
291: }
292: } split(/\&/,$reply);
293:
294: }
295: }
296: } sort split(/\&/,$classlst);
297:
298: } else {
299: $r->print('<h1>Could not access course data</h1>');
300: }
301:
302: my $allstudents=$#students+1;
303: $r->print('<h3>'.$allstudents.' students</h3>');
304: $r->rflush();
305:
306: # --------------- Find all assessments and put them into some linear-like order
307:
308: &tracetable($firstres,'&'.$lastres.'&');
309:
310: # ----------------------------------------------------------------- Start table
311:
312: $r->print('<p><pre>');
313: my $index;
314: for ($index=0;$index<=$#students;$index++) {
315: $r->print(&ExtractStudentData($index,$cid).'<br>');
316: $r->rflush();
317: }
318: $r->print('</pre>');
319:
320: } else {
321: $r->print('<h3>Undefined course sequence</h3>');
322: }
323:
324: $r->print('</body></html>');
325:
326: # ------------------------------------------------------------- End render page
327: } else {
328: $r->content_type('text/html');
329: $r->send_http_header;
330: $r->print('<html><body>Coursemap undefined.</body></html>');
331: }
332: # ------------------------------------------------------------------ Untie hash
333: unless (untie(%hash)) {
334: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
335: "Could not untie coursemap $fn (browse).</font>");
336: }
337:
338: # -------------------------------------------------------------------- All done
339: return OK;
340: # ----------------------------------------------- Errors, hash could no be tied
341: }
342: } else {
343: $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
344: return HTTP_NOT_ACCEPTABLE;
345: }
346: } else {
347: $ENV{'user.error.msg'}=
348: $r->uri.":vgr:0:0:Cannot view grades for complete course";
349: return HTTP_NOT_ACCEPTABLE;
350:
351: }
352: }
353: 1;
354: __END__
355:
356:
357:
358:
359:
360:
361:
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