Annotation of loncom/interface/lonstatistics.pm, revision 1.36
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # (Publication Handler
3: #
1.36 ! minaeibi 4: # $Id: lonstatistics.pm,v 1.35 2002/07/29 21:00:53 minaeibi Exp $
1.1 albertel 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: # (Navigate problems for statistical reports
29: # YEAR=2001
1.15 minaeibi 30: # 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
1.14 minaeibi 31: # 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
1.1 albertel 32: # YEAR=2002
1.18 minaeibi 33: # 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei
1.35 minaeibi 34: # 5/12,5/14,5/15,5/19,5/26,7/16,25/7,29/7 Behrouz Minaei
1.14 minaeibi 35: #
1.1 albertel 36: ###
37:
1.3 minaeibi 38: package Apache::lonstatistics;
1.1 albertel 39:
1.30 stredwic 40: use strict;
1.1 albertel 41: use Apache::Constants qw(:common :http);
42: use Apache::lonnet();
43: use Apache::lonhomework;
1.12 minaeibi 44: use Apache::loncommon;
1.29 stredwic 45: use Apache::loncoursedata;
46: use Apache::lonhtmlcommon;
1.30 stredwic 47: use Apache::lonproblemanalysis;
48: use Apache::lonproblemstatistics;
49: use Apache::lonstudentassessment;
1.29 stredwic 50: use Apache::lonchart;
1.1 albertel 51: use HTML::TokeParser;
52: use GDBM_File;
53:
1.27 stredwic 54:
55: sub CheckFormElement {
56: my ($cache, $ENVName, $cacheName, $default)=@_;
57:
58: if(defined($ENV{'form.'.$ENVName})) {
59: $cache->{$cacheName} = $ENV{'form.'.$ENVName};
60: } elsif(!defined($cache->{$cacheName})) {
61: $cache->{$cacheName} = $default;
62: }
63:
64: return;
65: }
66:
67: sub ProcessFormData{
1.29 stredwic 68: my ($cache)=@_;
1.27 stredwic 69:
1.29 stredwic 70: $cache->{'reportKey'} = 'false';
1.27 stredwic 71:
1.29 stredwic 72: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.34 stredwic 73: ['sort','download',
74: 'reportSelected',
1.30 stredwic 75: 'StudentAssessmentStudent']);
1.29 stredwic 76: &CheckFormElement($cache, 'Status', 'Status', 'Active');
77: &CheckFormElement($cache, 'postdata', 'reportSelected', 'Class list');
78: &CheckFormElement($cache, 'reportSelected', 'reportSelected',
79: 'Class list');
1.30 stredwic 80: $cache->{'reportSelected'} =
81: &Apache::lonnet::unescape($cache->{'reportSelected'});
1.29 stredwic 82: &CheckFormElement($cache, 'DownloadAll', 'DownloadAll', 'false');
83: &CheckFormElement($cache, 'sort', 'sort', 'fullname');
84: &CheckFormElement($cache, 'download', 'download', 'false');
85:
86: if(defined($ENV{'form.CreateStudentAssessment'}) ||
87: defined($ENV{'form.NextStudent'}) ||
88: defined($ENV{'form.PreviousStudent'})) {
89: $cache->{'reportSelected'} = 'Student Assessment';
90: }
91: if(defined($ENV{'form.NextStudent'})) {
92: $cache->{'StudentAssessmentMove'} = 'next';
93: } elsif(defined($ENV{'form.PreviousStudent'})) {
94: $cache->{'StudentAssessmentMove'} = 'previous';
95: } else {
96: $cache->{'StudentAssessmentMove'} = 'selected';
97: }
98: &CheckFormElement($cache, 'StudentAssessmentStudent',
1.30 stredwic 99: 'StudentAssessmentStudent', 'All Students');
100: $cache->{'StudentAssessmentStudent'} =
101: &Apache::lonnet::unescape($cache->{'StudentAssessmentStudent'});
1.34 stredwic 102: &CheckFormElement($cache, 'DefaultColumns', 'DefaultColumns', 'false');
1.29 stredwic 103:
1.33 stredwic 104: if(defined($ENV{'form.Section'})) {
105: my @sectionsSelected = (ref($ENV{'form.Section'}) ?
106: @{$ENV{'form.Section'}} :
107: ($ENV{'form.Section'}));
108: $cache->{'sectionsSelected'} = join(':', @sectionsSelected);
109: } elsif(!defined($cache->{'sectionsSelected'})) {
110: $cache->{'sectionsSelected'} = $cache->{'sectionList'};
111: }
112:
1.34 stredwic 113: my @headingColumns=();
114: my @sequenceColumns=();
115: my $foundColumn = 0;
116: if(defined($ENV{'form.ReselectColumns'})) {
117: my @reselected = (ref($ENV{'form.ReselectColumns'}) ?
118: @{$ENV{'form.ReselectColumns'}}
119: : ($ENV{'form.ReselectColumns'}));
120: foreach (@reselected) {
121: if(/HeadingColumn/) {
122: push(@headingColumns, $_);
123: $foundColumn = 1;
124: } elsif(/SequenceColumn/) {
125: push(@sequenceColumns, $_);
126: $foundColumn = 1;
127: }
128: }
129: }
130:
1.29 stredwic 131: foreach (keys(%ENV)) {
132: if(/form\.Analyze:::/) {
133: # $cache->{'reportSelected'} = 'Analyze';
134: # $cache->{'reportKey'} = 'Problem Analysis';
135: my ($uri, $title, $part, $problem);
136: (undef, $uri, $title, $part, $problem)=split(':::', $_);
137: $cache->{'AnalyzeURI'} = $uri;
138: $cache->{'AnalyzeTitle'} = $title;
139: $cache->{'AnalyzePart'} = $part;
140: $cache->{'AnalyzeProblem'} = $problem;
141:
142: &CheckFormElement($cache, 'Interval', 'Interval', '1');
1.34 stredwic 143: } elsif(/form\.HeadingColumn/) {
144: my $value = $_;
145: $value =~ s/form\.//;
146: push(@headingColumns, $value);
147: $foundColumn=1;
148: } elsif(/form\.SequenceColumn/) {
149: my $value = $_;
150: $value =~ s/form\.//;
151: push(@sequenceColumns, $value);
152: $foundColumn=1;
1.27 stredwic 153: }
1.29 stredwic 154: }
1.27 stredwic 155:
1.34 stredwic 156: if($foundColumn) {
157: $cache->{'HeadingsFound'} = join(':', @headingColumns);
158: $cache->{'SequencesFound'} = join(':', @sequenceColumns);;
159: }
160: if(!defined($cache->{'HeadingsFound'}) ||
161: $cache->{'DefaultColumns'} ne 'false') {
162: $cache->{'HeadingsFound'}='HeadingColumnFull Name';
163: }
164: if(!defined($cache->{'SequencesFound'}) ||
165: $cache->{'DefaultColumns'} ne 'false') {
166: $cache->{'SequencesFound'}='All Sequences';
167: }
168: $cache->{'DefaultColumns'} = 'false';
169:
1.29 stredwic 170: return;
1.27 stredwic 171:
1.29 stredwic 172: # Select page to display
173: if(defined($ENV{'form.ProblemStatistics'}) ||
174: defined($ENV{'form.ProblemStatisticsRecalculate'}) ||
175: defined($ENV{'form.DisplayCSVFormat'})) {
176: $cache->{'GoToPage'} = 'ProblemStatistics';
177: &CheckFormElement($cache, 'DisplayCSVFormat',
178: 'DisplayFormat', 'Display Table Format');
179: &CheckFormElement($cache, 'Ascend','ProblemStatisticsAscend',
180: 'Ascending');
181: &CheckFormElement($cache, 'Maps', 'ProblemStatisticsMap',
182: 'All Maps');
183: } elsif(defined($ENV{'form.ProblemAnalysis'})) {
184: $cache->{'GoToPage'} = 'ProblemAnalysis';
185: &CheckFormElement($cache, 'Interval', 'Interval', '1');
186: } elsif(defined($ENV{'form.DoDiffGraph'})) {
187: $cache->{'GoToPage'} = 'DoDiffGraph';
188: } elsif(defined($ENV{'form.PercentWrongGraph'})) {
189: $cache->{'GoToPage'} = 'PercentWrongGraph';
190: } elsif(defined($ENV{'form.ActivityLog'})) {
191: $cache->{'GoToPage'} = 'ActivityLog';
192: } else {
193: $cache->{'GoToPage'} = 'Menu';
194: }
1.27 stredwic 195:
1.29 stredwic 196: &CheckFormElement($cache, 'Status', 'Status', 'Active');
1.27 stredwic 197:
198: return;
199: }
200:
201: =pod
202:
203: =item &SortStudents()
204:
205: Determines which students to display and in which order. Which are
206: displayed are determined by their status(active/expired). The order
207: is determined by the sort button pressed (default to username). The
208: type of sorting is username, lastname, or section.
209:
210: =over 4
211:
212: Input: $students, $CacheData
213:
214: $students: A array pointer to a list of students (username:domain)
215:
216: $CacheData: A pointer to the hash tied to the cached data
217:
218: Output: \@order
219:
220: @order: An ordered list of students (username:domain)
221:
222: =back
223:
224: =cut
225:
226: sub SortStudents {
1.29 stredwic 227: my ($cache)=@_;
1.27 stredwic 228:
1.29 stredwic 229: my @students = split(':::',$cache->{'NamesOfStudents'});
1.27 stredwic 230: my @sorted1Students=();
1.29 stredwic 231: foreach (@students) {
232: if($cache->{'Status'} eq 'Any' ||
233: $cache->{$_.':Status'} eq $cache->{'Status'}) {
234: push(@sorted1Students, $_);
235: }
1.1 albertel 236: }
1.27 stredwic 237:
1.29 stredwic 238: my $sortBy = '';
239: if(defined($cache->{'sort'})) {
240: $sortBy = ':'.$cache->{'sort'};
1.27 stredwic 241: }
1.29 stredwic 242: my @order = sort { $cache->{$a.$sortBy} cmp $cache->{$b.$sortBy} ||
243: $cache->{$a.':fullname'} cmp $cache->{$b.':fullname'} }
244: @sorted1Students;
1.27 stredwic 245:
246: return \@order;
247: }
248:
1.32 stredwic 249: =pod
250:
251: =item &SpaceColumns()
252:
253: Determines the width of all the columns in the chart. It is based on
254: the max of the data for that column and its header.
255:
256: =over 4
257:
258: Input: $students, $studentInformation, $headings, $ChartDB
259:
260: $students: An array pointer to a list of students (username:domain)
261:
262: $studentInformatin: The type of data for the student information. It is
263: used as part of the key in $CacheData.
264:
265: $headings: The name of the student information columns.
266:
267: $ChartDB: The name of the cache database which is opened for read/write.
268:
269: Output: None - All data stored in cache.
270:
271: =back
272:
273: =cut
274:
275: sub SpaceColumns {
276: my ($students,$studentInformation,$headings,$cache)=@_;
277:
278: # Initialize Lengths
279: for(my $index=0; $index<(scalar @$headings); $index++) {
280: my @titleLength=split(//,$headings->[$index]);
281: $cache->{$studentInformation->[$index].':columnWidth'}=
282: scalar @titleLength;
283: }
284:
285: foreach my $name (@$students) {
286: foreach (@$studentInformation) {
287: my @dataLength=split(//,$cache->{$name.':'.$_});
288: my $length=(scalar @dataLength);
289: if($length > $cache->{$_.':columnWidth'}) {
290: $cache->{$_.':columnWidth'}=$length;
291: }
292: }
293: }
294:
295: return;
296: }
297:
1.27 stredwic 298: sub PrepareData {
1.32 stredwic 299: my ($c, $cacheDB, $studentInformation, $headings)=@_;
1.27 stredwic 300:
301: # Test for access to the cache data
302: my $courseID=$ENV{'request.course.id'};
303: my $isRecalculate=0;
1.29 stredwic 304: if(defined($ENV{'form.Recalculate'})) {
1.27 stredwic 305: $isRecalculate=1;
306: }
307:
1.29 stredwic 308: my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB,
309: $isRecalculate);
1.27 stredwic 310: if($isCached < 0) {
311: return "Unable to tie hash to db file.";
312: }
313:
314: # Download class list information if not using cached data
315: my %cache;
1.29 stredwic 316: unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
317: return "Unable to tie hash to db file.";
318: }
319:
1.27 stredwic 320: if(!$isCached) {
321: my $processTopResourceMapReturn=
322: &Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c);
323: if($processTopResourceMapReturn ne 'OK') {
324: untie(%cache);
325: return $processTopResourceMapReturn;
326: }
1.29 stredwic 327: }
1.27 stredwic 328:
1.29 stredwic 329: if($c->aborted()) {
330: untie(%cache);
331: return 'aborted';
332: }
1.27 stredwic 333:
1.29 stredwic 334: my $classlist=&Apache::loncoursedata::DownloadClasslist($courseID,
335: $cache{'ClasslistTimestamp'},
336: $c);
337: foreach (keys(%$classlist)) {
338: if(/^(con_lost|error|no_such_host)/i) {
1.27 stredwic 339: untie(%cache);
340: return "Error getting student data.";
341: }
1.29 stredwic 342: }
1.27 stredwic 343:
1.29 stredwic 344: if($c->aborted()) {
345: untie(%cache);
346: return 'aborted';
347: }
348:
349: # Active is a temporary solution, remember to change
350: Apache::loncoursedata::ProcessClasslist(\%cache,$classlist,$courseID,$c);
351: if($c->aborted()) {
352: untie(%cache);
353: return 'aborted';
354: }
1.27 stredwic 355:
1.29 stredwic 356: &ProcessFormData(\%cache);
357: my $students = &SortStudents(\%cache);
1.32 stredwic 358: &SpaceColumns($students, $studentInformation, $headings, \%cache);
359: $cache{'updateTime:columnWidth'}=24;
1.27 stredwic 360:
1.29 stredwic 361: if($cache{'download'} ne 'false') {
362: my $who = $cache{'download'};
363: my $courseData =
1.30 stredwic 364: &Apache::loncoursedata::DownloadCourseInformation(
1.29 stredwic 365: $who, $courseID,
366: $cache{$who.':lastDownloadTime'});
367: &Apache::loncoursedata::ProcessStudentData(\%cache, $courseData, $who);
368: $cache{'download'} = 'false';
369: } elsif($cache{'DownloadAll'} ne 'false') {
370: my @allStudents;
371: if($cache{'DownloadAll'} eq 'sorted') {
372: @allStudents = @$students;
373: } else {
374: @allStudents = split(':::', $cache{'NamesOfStudents'});
375: }
376: foreach (@allStudents) {
377: my $courseData =
1.30 stredwic 378: &Apache::loncoursedata::DownloadCourseInformation(
1.29 stredwic 379: $_, $courseID,
380: $cache{$_.':lastDownloadTime'});
381: &Apache::loncoursedata::ProcessStudentData(\%cache, $courseData,
382: $_);
383: if($c->aborted()) {
384: untie(%cache);
385: return 'aborted';
386: }
1.27 stredwic 387: }
1.29 stredwic 388: $cache{'DownloadAll'} = 'false';
389: }
1.27 stredwic 390:
1.29 stredwic 391: if($c->aborted()) {
1.27 stredwic 392: untie(%cache);
1.29 stredwic 393: return 'aborted';
394: }
395:
396: untie(%cache);
397:
398: return ('OK', $students);
1.27 stredwic 399: }
400:
1.31 minaeibi 401:
1.27 stredwic 402: # Create progress
403: sub Create_PrgWin {
1.31 minaeibi 404: my ($r)=@_;
1.27 stredwic 405: $r->print(<<ENDPOP);
406: <script>
407: popwin=open('','popwin','width=400,height=100');
408: popwin.document.writeln('<html><body bgcolor="#88DDFF">'+
409: '<title>LON-CAPA Statistics</title>'+
410: '<h4>Computation Progress</h4>'+
411: '<form name=popremain>'+
412: '<input type=text size=35 name=remaining value=Starting></form>'+
413: '</body></html>');
414: popwin.document.close();
415: </script>
416: ENDPOP
417:
418: $r->rflush();
1.1 albertel 419: }
420:
1.27 stredwic 421: # update progress
422: sub Update_PrgWin {
1.31 minaeibi 423: my ($totalStudents,$index,$name,$r)=@_;
1.27 stredwic 424: $r->print('<script>popwin.document.popremain.remaining.value="'.
425: 'Computing '.$index.'/'.$totalStudents.': '.
426: $name.'";</script>');
427: $r->rflush();
428: }
1.1 albertel 429:
1.27 stredwic 430: # close Progress Line
431: sub Close_PrgWin {
1.31 minaeibi 432: my ($r)=@_;
1.27 stredwic 433: $r->print('<script>popwin.close()</script>');
434: $r->rflush();
1.25 minaeibi 435: }
436:
1.1 albertel 437:
1.29 stredwic 438: sub BuildClasslist {
1.32 stredwic 439: my ($cacheDB,$students,$studentInformation,$headings)=@_;
1.29 stredwic 440:
441: my %cache;
442: unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
443: return '<html><body>Unable to tie database.</body></html>';
1.1 albertel 444: }
445:
1.29 stredwic 446: my $Str='';
447: $Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n";
448: $Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\n";
449:
450: my $displayString = '<td align="left"><a href="/adm/statistics?';
451: $displayString .= 'sort=LINKDATA">DISPLAYDATA </a></td>'."\n";
1.32 stredwic 452: $Str .= &Apache::lonhtmlcommon::CreateHeadings(\%cache, $studentInformation,
453: $headings, $displayString);
1.29 stredwic 454: $Str .= '</tr>'."\n";
455: my $alternate=0;
456: foreach (@$students) {
457: my ($username, $domain) = split(':', $_);
458: if($alternate) {
1.32 stredwic 459: $Str .= '<tr bgcolor="#ffffe6">';
1.29 stredwic 460: } else {
1.32 stredwic 461: $Str .= '<tr bgcolor="#ffffc6">';
1.29 stredwic 462: }
463: $alternate = ($alternate + 1) % 2;
464: foreach my $data (@$studentInformation) {
1.32 stredwic 465: $Str .= '<td>';
1.29 stredwic 466: if($data eq 'fullname') {
467: $Str .= '<a href="/adm/statistics?reportSelected=';
1.30 stredwic 468: $Str .= &Apache::lonnet::escape('Student Assessment');
469: $Str .= '&StudentAssessmentStudent=';
470: $Str .= &Apache::lonnet::escape($cache{$_.':'.$data}).'">';
1.32 stredwic 471: $Str .= $cache{$_.':'.$data}.' ';
1.29 stredwic 472: $Str .= '</a>';
1.32 stredwic 473: } elsif($data eq 'updateTime') {
474: $Str .= '<a href="/adm/statistics?reportSelected=';
475: $Str .= &Apache::lonnet::escape('Class list');
476: $Str .= '&download='.$_.'">';
477: $Str .= $cache{$_.':'.$data}.' ';
478: $Str .= ' </a>';
479: } else {
480: $Str .= $cache{$_.':'.$data}.' ';
1.29 stredwic 481: }
482:
1.32 stredwic 483: $Str .= '</td>'."\n";
1.29 stredwic 484: }
1.1 albertel 485: }
1.29 stredwic 486:
1.32 stredwic 487: $Str .= '</tr>'."\n";
1.29 stredwic 488: $Str .= '</table></td></tr></table>'."\n";
489:
1.27 stredwic 490: untie(%cache);
1.1 albertel 491:
1.29 stredwic 492: return $Str;
1.1 albertel 493: }
494:
1.33 stredwic 495: sub CreateMainMenu {
496: my ($status, $reports)=@_;
497:
498: my $Str = '';
499:
500: $Str .= '<table border="0"><tbody><tr>'."\n";
501: $Str .= '<td></td><td></td>'."\n";
502: $Str .= '<td align="center"><b>Analysis Reports:</b></td>'."\n";
503: $Str .= '<td align="center"><b>Student Status:</b></td></tr>'."\n";
504: $Str .= '<tr>'."\n";
505: $Str .= '<td align="center"><input type="submit" name="Refresh" ';
506: $Str .= 'value="Refresh" /></td>'."\n";
507: $Str .= '<td align="center"><input type="submit" name="DownloadAll" ';
508: $Str .= 'value="Update All Student Data" /></td>'."\n";
509: $Str .= '<td align="center">';
510: $Str .= '<select name="reportSelected" onchange="document.';
511: $Str .= 'Statistics.submit()">'."\n";
512:
513: foreach (sort(keys(%$reports))) {
514: next if($_ eq 'reportSelected');
515: $Str .= '<option name="'.$_.'"';
516: if($reports->{'reportSelected'} eq $reports->{$_}) {
517: $Str .= ' selected=""';
518: }
519: $Str .= '>'.$reports->{$_}.'</option>'."\n";
520: }
521: $Str .= '</select></td>'."\n";
522:
523: $Str .= '<td align="center">';
524: $Str .= &Apache::lonhtmlcommon::StatusOptions($status, 'Statistics');
525: $Str .= '</td>'."\n";
526:
527: $Str .= '</tr></tbody></table>'."\n";
528: $Str .= '<hr>'."\n";
529:
530: return $Str;
531: }
532:
1.29 stredwic 533: sub BuildStatistics {
534: my ($r)=@_;
535:
536: my $c = $r->connection;
1.32 stredwic 537: my @studentInformation=('fullname','section','id','domain','username',
538: 'updateTime');
539: my @headings=('Full Name', 'Section', 'PID', 'Domain', 'User Name',
540: 'Last Updated');
541: my $spacing = ' ';
1.29 stredwic 542: my %reports = ('classlist' => 'Class list',
543: 'problem_statistics' => 'Problem Statistics',
544: 'student_assessment' => 'Student Assessment',
545: 'reportSelected' => 'Class list');
1.27 stredwic 546:
547: my %cache;
1.29 stredwic 548: my $courseID=$ENV{'request.course.id'};
549: my $cacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
550: "_$ENV{'user.domain'}_$courseID\_statistics.db";
551:
1.32 stredwic 552: my ($returnValue, $students) = &PrepareData($c, $cacheDB,
553: \@studentInformation,
554: \@headings);
1.29 stredwic 555: if($returnValue ne 'OK') {
556: $r->print('<html><body>'.$returnValue."\n".'</body></html>');
557: return OK;
558: }
559:
560: my $GoToPage;
561: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
562: $GoToPage = $cache{'reportSelected'};
563: $reports{'reportSelected'} = $cache{'reportSelected'};
564: # if(defined($cache{'reportKey'}) && $cache{'reportKey'} ne 'false') {
565: # $reports{$cache{'reportKey'}} = $cache{'reportSelected'};
566: # }
567:
568: if(defined($cache{'OptionResponses'})) {
569: $reports{'problem_analysis'} = 'Problem Analysis';
570: }
571:
572: $r->print(&Apache::lonhtmlcommon::Title('LON-CAPA Statistics'));
573: $r->print('<form name="Statistics" ');
574: $r->print('method="post" action="/adm/statistics">');
1.33 stredwic 575: $r->print(&CreateMainMenu($cache{'Status'}, \%reports));
1.29 stredwic 576: untie(%cache);
577: } else {
1.27 stredwic 578: $r->print('<html><body>Unable to tie database.</body></html>');
1.29 stredwic 579: return OK;
580: }
581:
582: if($GoToPage eq 'Activity Log') {
1.30 stredwic 583: &Apache::lonproblemstatistics::Activity();
1.29 stredwic 584: } elsif($GoToPage eq 'Problem Statistics') {
1.30 stredwic 585: &Apache::lonproblemstatistics::BuildProblemStatisticsPage($cacheDB,
586: $students,
587: $courseID,
1.36 ! minaeibi 588: $c,$r);
1.29 stredwic 589: } elsif($GoToPage eq 'Problem Analysis') {
1.30 stredwic 590: $r->print(
591: &Apache::lonproblemanalysis::BuildProblemAnalysisPage($cacheDB));
1.29 stredwic 592: } elsif($GoToPage eq 'Student Assessment') {
1.30 stredwic 593: $r->print(
594: &Apache::lonstudentassessment::BuildStudentAssessmentPage($cacheDB,
1.32 stredwic 595: $students,
596: $courseID,
597: 'Statistics',
598: \@headings,
599: $spacing,
600: \@studentInformation,
601: $r, $c));
1.29 stredwic 602: } elsif($GoToPage eq 'Analyze') {
1.30 stredwic 603: $r->print(&Apache::lonproblemanalysis::BuildAnalyzePage($cacheDB,
604: $students,
605: $courseID));
1.29 stredwic 606: } elsif($GoToPage eq 'DoDiffGraph') {
1.31 minaeibi 607: &Apache::lonproblemstatistics::BuildDiffGraph($r);
1.29 stredwic 608: } elsif($GoToPage eq 'PercentWrongGraph') {
1.31 minaeibi 609: &Apache::lonproblemstatistics::BuildWrongGraph($r);
1.29 stredwic 610: } elsif($GoToPage eq 'Class list') {
611: $r->print(&BuildClasslist($cacheDB, $students, \@studentInformation,
1.32 stredwic 612: \@headings));
1.27 stredwic 613: }
614:
615: $r->print('</form>'."\n");
1.29 stredwic 616: $r->print("\n".'</body>'."\n".'</html>');
617: $r->rflush();
1.27 stredwic 618:
1.29 stredwic 619: return OK;
1.27 stredwic 620: }
1.1 albertel 621:
622: # ================================================================ Main Handler
623:
624: sub handler {
1.31 minaeibi 625: my $r=shift;
1.34 stredwic 626:
627: # $jr = $r;
1.1 albertel 628:
1.27 stredwic 629: unless(&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
630: $ENV{'user.error.msg'}=
631: $r->uri.":vgr:0:0:Cannot view grades for complete course";
632: return HTTP_NOT_ACCEPTABLE;
633: }
634:
635: # Set document type for header only
636: if($r->header_only) {
637: if ($ENV{'browser.mathml'}) {
638: $r->content_type('text/xml');
639: } else {
640: $r->content_type('text/html');
641: }
642: &Apache::loncommon::no_cache($r);
643: $r->send_http_header;
644: return OK;
645: }
646:
647: unless($ENV{'request.course.fn'}) {
1.1 albertel 648: my $requrl=$r->uri;
1.27 stredwic 649: $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
650: return HTTP_NOT_ACCEPTABLE;
651: }
1.1 albertel 652:
1.27 stredwic 653: $r->content_type('text/html');
654: $r->send_http_header;
1.1 albertel 655:
1.29 stredwic 656: &BuildStatistics($r);
1.27 stredwic 657:
658: return OK;
1.1 albertel 659: }
660: 1;
661: __END__
1.31 minaeibi 662:
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