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: # 12/18/01 Behrouz Minaei
20:
21: package Apache::lonchart;
22:
23: use strict;
24: use Apache::Constants qw(:common :http);
25: use Apache::lonnet();
26: use HTML::TokeParser;
27: use GDBM_File;
28:
29: # -------------------------------------------------------------- Module Globals
30: my %hash;
31: my @cols;
32: my @rowlabels;
33: my @students;
34:
35: # ------------------------------------------------------------- Find out status
36:
37: sub ExtractStudentData {
38: my ($index,$coid)=@_;
39: my ($sname,$sdom) = split( /\:/, $students[$index] );
40: my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
41: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
42: my %result=();
43: my $ResId;
44: my $Code;
45: my $Tries;
46: my $Wrongs;
47: my %TempHash;
48: my $Version;
49: my $ProbNo;
50: my $PrTotal;
51: my $LatestVersion;
52: my $Str=substr($students[$index].
53: ' ',0,14).' ! '.
54: substr($rowlabels[$index].
55: ' ',0,45).' ! ';
56: unless ($reply=~/^error\:/) {
57: map {
58: my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
59: $result{$name}=$value;
60: } split(/\&/,$reply);
61: $ProbNo = 0;
62: $PrTotal = 0;
63: my $IterationNo = 0;
64: foreach $ResId (@cols) {
65: if ($IterationNo == 0) {$IterationNo++; next;}
66: if (!$ResId) {
67: my $PrNo = sprintf( "%3d", $ProbNo );
68: $Str .= ' '.'<font color="#007700">'.$PrNo.'</font> ';
69: $PrTotal += $ProbNo;
70: $ProbNo=0;
71: next;
72: }
73: $ResId=~/(\d+)\.(\d+)/;
74: my $meta=$hash{'src_'.$ResId};
75: my $PartNo = 0;
76: undef %TempHash;
77: map {
78: if ($_=~/^stores\_(\d+)\_tries$/) {
79: my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
80: if ( $TempHash{"$Part"} eq '' ) {
81: $TempHash{"$Part"} = $Part;
82: $TempHash{$PartNo}=$Part;
83: $TempHash{"$Part.Code"} = ' ';
84: $PartNo++;
85: }
86: }
87: } split(/\,/,&Apache::lonnet::metadata($meta,'keys'));
88:
89: my $Prob = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ).
90: '___'.$2.'___'.
91: &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
92: $Code=' ';
93: $Tries = 0;
94: $LatestVersion = $result{"version:$Prob"};
95:
96: if ( $LatestVersion ) {
97: for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
98: my $vkeys = $result{"$Version:keys:$Prob"};
99: my @keys = split(/\:/,$vkeys);
100:
101: foreach my $Key (@keys) {
102: if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
103: my $Part = $1;
104: $Tries = $result{"$Version:$Prob:resource.$Part.tries"};
105: $TempHash{"$Part.Tries"}=($Tries) ? $Tries : 0;
106: my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
107: if ($Val eq 'correct_by_student'){$Code='*';}
108: elsif ($Val eq 'correct_by_override'){$Code = '+';}
109: elsif ($Val eq 'incorrect_attempted'){$Code = '.';}
110: elsif ($Val eq 'incorrect_by_override'){$Code = '-';}
111: elsif ($Val eq 'excused'){$Code = 'x';}
112: elsif ($Val eq 'ungraded_attempted'){$Code = '#';}
113: else {$Code = ' ';}
114: $TempHash{"$Part.Code"} = $Code;
115: }
116: }
117: }
118: for ( my $n = 0; $n < $PartNo; $n++ ) {
119: my $part = $TempHash{$n};
120: if ($TempHash{"$part.Code"} eq '*') {
121: $ProbNo++;
122: if (($TempHash{"$part.Tries"}<10) ||
123: ($TempHash{"$part.Tries"} eq '')) {
124: $TempHash{"$part.Code"}=$TempHash{"$part.Tries"};
125: }
126: }
127: $Str .= $TempHash{"$part.Code"};
128: }
129: }
130: else {for(my $n=0; $n<$PartNo; $n++) {$Str.=' ';}}
131: }
132: }
133: my $PrTot = sprintf( "%5d", $PrTotal );
134: $Str .= ' '.'<font color="#000088">'.$PrTot.'</font> ';
135:
136: return $Str ;
137: }
138:
139:
140: # ------------------------------------------------------------ Build page table
141:
142: sub tracetable {
143: my ($rid,$beenhere)=@_;
144: unless ($beenhere=~/\&$rid\&/) {
145: $beenhere.=$rid.'&';
146: # new ... updating the map according to sequence and page
147: if (defined($hash{'is_map_'.$rid})) {
148: my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}};
149: if ( $cmap eq 'sequence' || $cmap eq 'page' ) {
150: $cols[$#cols+1]=0;
151: }
152: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
153: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
154: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
155:
156: &tracetable($hash{'map_start_'.$hash{'src_'.$rid}},
157: '&'.$frid.'&');
158:
159: if ($hash{'src_'.$frid}) {
160: if ($hash{'src_'.$frid}=~
161: /\.(problem|exam|quiz|assess|survey|form)$/) {
162: $cols[$#cols+1]=$frid;
163: }
164: }
165:
166: }
167: } else {
168: if ($hash{'src_'.$rid}) {
169: if ($hash{'src_'.$rid}=~
170: /\.(problem|exam|quiz|assess|survey|form)$/) {
171: $cols[$#cols+1]=$rid;
172: }
173: }
174: }
175: if (defined($hash{'to_'.$rid})) {
176: map {
177: &tracetable($hash{'goesto_'.$_},$beenhere);
178: } split(/\,/,$hash{'to_'.$rid});
179: }
180: }
181: }
182:
183: # ================================================================ Main Handler
184:
185: sub handler {
186:
187: undef %hash;
188: undef @students;
189: undef @cols;
190: undef @rowlabels;
191:
192: my $r=shift;
193:
194: if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
195: # ------------------------------------------- Set document type for header only
196:
197: if ($r->header_only) {
198: if ($ENV{'browser.mathml'}) {
199: $r->content_type('text/xml');
200: } else {
201: $r->content_type('text/html');
202: }
203: $r->send_http_header;
204: return OK;
205: }
206:
207: my $requrl=$r->uri;
208: # ----------------------------------------------------------------- Tie db file
209: if ($ENV{'request.course.fn'}) {
210: my $fn=$ENV{'request.course.fn'};
211: if (-e "$fn.db") {
212: if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
213: # ------------------------------------------------------------------- Hash tied
214:
215:
216: # ------------------------------------------------------------------ Build page
217:
218: # ---------------------------------------------------------------- Send headers
219:
220: $r->content_type('text/html');
221: $r->send_http_header;
222: $r->print(
223: '<html><head><title>LON-CAPA Assessment Chart</title></head>');
224:
225: $r->print('<body bgcolor="#FFFFFF">'.
226: '<script>window.focus();</script>'.
227: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
228: '<h1>Assessment Chart</h1>');
229:
230: # ---------------------------------------------------------------- Course title
231:
232: $r->print('<h1>'.
233: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.'</h1><h3>'.
234: localtime()."</h3><p><pre>1..9: correct by student in 1..9 tries\n".
235: " *: correct by student in more than 9 tries\n".
236: " +: correct by override\n".
237: " -: incorrect by override\n".
238: " .: incorrect attempted\n".
239: " #: ungraded attempted\n".
240: " : not attempted\n".
241: " x: excused</pre><p>");
242:
243: # ------------------------------- This is going to take a while, produce output
244:
245: $r->rflush();
246:
247: # ----------------------- Get first and last resource, see if there is anything
248:
249:
250: my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
251: my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
252: if (($firstres) && ($lastres)) {
253: # ----------------------------------------------------------------- Render page
254:
255: my $cid=$ENV{'request.course.id'};
256: my $chome=$ENV{'course.'.$cid.'.home'};
257: my ($cdom,$cnum)=split(/\_/,$cid);
258:
259: # ---------------------------------------------- Read class list and row labels
260:
261: my $classlst=&Apache::lonnet::reply
262: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
263: my $now=time;
264: unless ($classlst=~/^error\:/) {
265: map {
266: my ($name,$value)=split(/\=/,$_);
267: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
268: my $active=1;
269: if (($end) && ($now>$end)) { $active=0; }
270: if ($active) {
271: my $thisindex=$#students+1;
272: $name=&Apache::lonnet::unescape($name);
273: $students[$thisindex]=$name;
274: my ($sname,$sdom)=split(/\:/,$name);
275: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
276: if ($ssec==-1) {
277: $rowlabels[$thisindex]=
278: 'Data not available: '.$name;
279: } else {
280: my %reply=&Apache::lonnet::idrget($sdom,$sname);
281: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
282: ':environment:lastname&generation&firstname&middlename',
283: &Apache::lonnet::homeserver($sname,$sdom));
284: $rowlabels[$thisindex]=
285: sprintf('%3s',$ssec).' '.$reply{$sname}.' ';
286: my $i=0;
287: map {
288: $i++;
289: if ( $_ ne '') {
290: $rowlabels[$thisindex].=&Apache::lonnet::unescape($_).' ';
291: }
292: if ($i == 2) {
293: chop($rowlabels[$thisindex]);
294: $rowlabels[$thisindex].=', ';
295: }
296: } split(/\&/,$reply);
297:
298: }
299: }
300: } sort split(/\&/,$classlst);
301:
302: } else {
303: $r->print('<h1>Could not access course data</h1>');
304: }
305:
306: my $allstudents=$#students+1;
307: $r->print('<h3>'.$allstudents.' students</h3>');
308: $r->rflush();
309:
310: # --------------- Find all assessments and put them into some linear-like order
311:
312: &tracetable($firstres,'&'.$lastres.'&');
313:
314: # ----------------------------------------------------------------- Start table
315:
316: $r->print('<p><pre>');
317: my $index;
318: for ($index=0;$index<=$#students;$index++) {
319: $r->print(&ExtractStudentData($index,$cid).'<br>');
320: $r->rflush();
321: }
322: $r->print('</pre>');
323:
324: } else {
325: $r->print('<h3>Undefined course sequence</h3>');
326: }
327:
328: $r->print('</body></html>');
329:
330: # ------------------------------------------------------------- End render page
331: } else {
332: $r->content_type('text/html');
333: $r->send_http_header;
334: $r->print('<html><body>Coursemap undefined.</body></html>');
335: }
336: # ------------------------------------------------------------------ Untie hash
337: unless (untie(%hash)) {
338: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
339: "Could not untie coursemap $fn (browse).</font>");
340: }
341:
342: # -------------------------------------------------------------------- All done
343: return OK;
344: # ----------------------------------------------- Errors, hash could no be tied
345: }
346: } else {
347: $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
348: return HTTP_NOT_ACCEPTABLE;
349: }
350: } else {
351: $ENV{'user.error.msg'}=
352: $r->uri.":vgr:0:0:Cannot view grades for complete course";
353: return HTTP_NOT_ACCEPTABLE;
354:
355: }
356: }
357: 1;
358: __END__
359:
360:
361:
362:
363:
364:
365:
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