1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.45 2006/05/30 12:46:50 www Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27: package Apache::lonstudentsubmissions;
28:
29: use strict;
30: use Apache::lonnet;
31: use Apache::loncommon();
32: use Apache::lonhtmlcommon();
33: use Apache::loncoursedata();
34: use Apache::lonstatistics;
35: use Apache::lonlocal;
36: use Apache::lonstathelpers;
37: use HTML::Entities();
38: use Time::Local();
39: use Spreadsheet::WriteExcel();
40: use lib '/home/httpd/lib/perl/';
41: use LONCAPA;
42:
43:
44: my @SubmitButtons = ({ name => 'SelectAnother',
45: text => 'Choose a different Problem' },
46: { name => 'Generate',
47: text => 'Generate Report'},
48: );
49:
50: sub BuildStudentSubmissionsPage {
51: my ($r,$c)=@_;
52: #
53: my %Saveable_Parameters = ('Status' => 'scalar',
54: 'Section' => 'array',
55: 'NumPlots' => 'scalar',
56: );
57: &Apache::loncommon::store_course_settings('student_submissions',
58: \%Saveable_Parameters);
59: &Apache::loncommon::restore_course_settings('student_submissions',
60: \%Saveable_Parameters);
61: #
62: &Apache::lonstatistics::PrepareClasslist();
63: #
64: $r->print(&CreateInterface());
65: #
66: my @Students = @Apache::lonstatistics::Students;
67: #
68: if (@Students < 1) {
69: $r->print('<h2>There are no students in the sections selected</h2>');
70: }
71: #
72: my @CacheButtonHTML =
73: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status',
74: '<h3>'.&mt('Loading student data').'</h3>');
75: $r->rflush();
76: #
77: if (exists($env{'form.problemchoice'}) &&
78: ! exists($env{'form.SelectAnother'})) {
79: foreach my $button (@SubmitButtons) {
80: if ($button->{'name'} eq 'break') {
81: $r->print("<br />\n");
82: } else {
83: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
84: 'value="'.&mt($button->{'text'}).'" />');
85: $r->print(' 'x5);
86: }
87: }
88: foreach my $html (@CacheButtonHTML) {
89: $r->print($html.(' 'x5));
90: }
91: #
92: $r->print('<hr />'.$/);
93: $r->rflush();
94: #
95: # Determine which problems we are to analyze
96: my @Symbs =
97: &Apache::lonstathelpers::get_selected_symbs('problemchoice');
98: foreach my $selected (@Symbs) {
99: $r->print('<input type="hidden" name="problemchoice" value="'.
100: $selected.'" />'.$/);
101: }
102: #
103: # Get resource objects
104: my $navmap = Apache::lonnavmaps::navmap->new();
105: if (!defined($navmap)) {
106: $r->print('<h1>'.&mt("Internal error").'</h1>');
107: return;
108: }
109: my %already_seen;
110: my @Problems;
111: foreach my $symb (@Symbs) {
112: my $resource = $navmap->getBySymb($symb);
113: push(@Problems,$resource);
114: }
115: #
116: $r->print('<h4>'.
117: &Apache::lonstatistics::section_and_enrollment_description().
118: '</h4>');
119: if (! scalar(@Problems) || ! defined($Problems[0])) {
120: $r->print('resource is undefined');
121: } else {
122: if (scalar(@Problems) == 1) {
123: my $resource = $Problems[0];
124: $r->print('<h1>'.$resource->title.'</h1>');
125: $r->print('<h3>'.$resource->src.'</h3>');
126: if ($env{'form.renderprob'} eq 'true') {
127: $r->print(&Apache::lonstathelpers::render_resource($resource));
128: $r->rflush();
129: }
130: }
131: if ($env{'form.output'} eq 'excel') {
132: &prepare_excel_output($r,\@Problems,\@Students);
133: } elsif ($env{'form.output'} eq 'csv') {
134: &prepare_csv_output($r,\@Problems,\@Students);
135: } else {
136: &prepare_html_output($r,\@Problems,\@Students);
137: }
138: }
139: $r->print('<hr />');
140: } else {
141: $r->print('<input type="submit" name="Generate" value="'.
142: &mt('Prepare Report').'" />');
143: $r->print(' 'x5);
144: $r->print('<p>'.
145: &mt('Computing correct answers greatly increasese the amount of time required to prepare a report.').
146: '</p>');
147: $r->print('<p>'.
148: &mt('please select problems and use the <b>Prepare Report</b> button to continue.').
149: '</p>');
150: $r->print(&Apache::lonstathelpers::MultipleProblemSelector
151: (undef,'problemchoice','Statistics'));
152: }
153: }
154:
155: ##
156: ## get_extra_response_headers
157: ##
158: sub get_extra_response_headers {
159: my @extra_resp_headers;
160: if ($env{'form.correctans'} eq 'true') {
161: push(@extra_resp_headers,'Correct');
162: }
163: if ($env{'form.prob_status'} eq 'true') {
164: push(@extra_resp_headers,'Award Detail');
165: push(@extra_resp_headers,'Time');
166: push(@extra_resp_headers,'Attempt');
167: push(@extra_resp_headers,'Awarded');
168: }
169: return @extra_resp_headers;
170: }
171:
172: ##
173: ## get_headers:
174: ## return the proper headers for the given response
175: sub get_headers {
176: my ($prob,$partid,$respid,$resptype,$analysis,$output,$purpose,
177: @basic_headers) = @_;
178: my @headers;
179: if ($resptype eq 'essay' && $purpose eq 'display' &&
180: ($output eq 'html')) {# || scalar(@{$prob->parts})!=1)) {
181: @headers = ();
182: } elsif ($resptype =~ /^(option|match|rank)$/) {
183: my $prefix = '_';
184: if ($purpose eq 'display') {
185: $prefix = '';
186: }
187: my @foils =
188: map {
189: $prefix.$_;
190: } sort(keys(%{$analysis->{$partid.'.'.$respid}->{'_Foils'}}));
191: if (scalar(@basic_headers) && $basic_headers[0] eq 'Correct') {
192: @foils = map { ($_ , $_.' Correct') } @foils;
193: shift(@basic_headers); # Get rid of 'Correct'
194: }
195: @headers = (@foils,@basic_headers);
196: } elsif (lc($resptype) eq 'task') {
197: @headers = ('Grader','Status',@basic_headers,'Submission');
198: } else {
199: @headers = ('Submission',@basic_headers);
200: }
201: return @headers;
202: }
203:
204: #########################################################
205: #########################################################
206: ##
207: ## HTML Output Routines
208: ##
209: #########################################################
210: #########################################################
211: sub prepare_html_output {
212: my ($r,$problems,$students) = @_;
213: my $c = $r->connection();
214: #
215: # Set a flag for the case when there is just one problem
216: my $single_response = 0;
217: if (scalar(@$problems) == 1 &&
218: $problems->[0]->countResponses == 1) {
219: $single_response = 1;
220: }
221: #
222: # Compute the number of columns per response
223: my @extra_resp_headers = &get_extra_response_headers();
224: #
225: # Create the table header
226: my @student_columns = ('username','domain','id','section');
227: #
228: my %headers;
229: my $student_column_count = scalar(@student_columns);
230: $headers{'problem'} = qq{<th colspan="$student_column_count">\ </th>};
231: foreach (@student_columns) {
232: $headers{'student'}.= '<th>'.ucfirst($_).'</th>';
233: }
234: #
235: # we put the headers into the %headers hash
236: my $total_col = scalar(@student_columns);
237: my $nonempty_part_headers = 0;
238: #
239: my %problem_analysis;
240: foreach my $prob (@$problems) {
241: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
242: $problem_analysis{$prob->src}=\%analysis;
243: #
244: my $prob_span = 0;
245: my $single_part = 0;
246: if (scalar(@{$prob->parts}) == 1) {
247: $single_part = 1;
248: }
249: foreach my $partid (@{$prob->parts}) {
250: my $part_span = 0;
251: my $responses = [$prob->responseIds($partid)];
252: my $resptypes = [$prob->responseType($partid)];
253: for (my $i=0;$i<scalar(@$responses);$i++) {
254: my $respid = $responses->[$i];
255: my @headers = &get_headers($prob,$partid,$respid,
256: $resptypes->[$i],
257: $problem_analysis{$prob->src},
258: 'html','display',
259: @extra_resp_headers);
260: if (scalar(@headers)>0) {
261: $total_col += scalar(@headers);
262: $part_span += scalar(@headers);
263: $headers{'response'} .=
264: '<th colspan="'.scalar(@headers).'">'.
265: &mt('Response [_1]',$responses->[$i]).'</th>';
266: $headers{'student'}.= '<th>'.join('</th><th><nobr>',
267: @headers).
268: '</nobr></th>';
269: }
270: }
271: if ($part_span == 0) {
272: next;
273: }
274: if (! $single_part) {
275: my $tmpname = $partid;
276: if ($partid =~/^\d+$/) {
277: $tmpname = $prob->part_display($partid);
278: }
279: if ($tmpname !~ /^part/) {
280: $tmpname = 'Part '.$tmpname;
281: }
282: $headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
283: $nonempty_part_headers = 1;
284: } else {
285: $headers{'part'} .= qq{<th colspan="$part_span"> </th>};
286: }
287: $prob_span += $part_span;
288: }
289: my $title = $prob->compTitle;
290: if ($prob_span > 0) {
291: $headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
292: } elsif ($single_response) {
293: $prob_span = scalar(@student_columns);
294: $headers{'problem'} = qq{<th colspan="$prob_span">$title</th>};
295: }
296: }
297: if (exists($headers{'part'})) {
298: $headers{'part'} = qq{<th colspan="$student_column_count">\ </th>}.
299: $headers{'part'};
300: }
301: if (exists($headers{'response'})) {
302: $headers{'response'}=
303: qq{<th colspan="$student_column_count">\ </th>}.
304: $headers{'response'};
305: }
306: my $full_header = $/.'<table>'.$/;
307: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
308: if ($nonempty_part_headers) {
309: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
310: }
311: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
312: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
313: #
314: # Main loop
315: my $count;
316: $r->print($/.$full_header.$/);
317: my $row_class = 'odd'; # css
318: foreach my $student (@$students) {
319: my $student_row_data;
320: if ($count++ >= 30) {
321: $r->print('</table>'.$/.$full_header.$/);
322: $count = 0;
323: }
324: last if ($c->aborted());
325: foreach my $field (@student_columns) {
326: $student_row_data .=
327: '<td valign="top">'.$student->{$field}.'</td>';
328: }
329: #
330: # Figure out what it is we need to output for this student
331: my @essays;
332: my %prob_data;
333: my $maxrow;
334: foreach my $prob (@$problems) {
335: $prob_data{$prob->symb}={};
336: foreach my $partid (@{$prob->parts}) {
337: my @responses = $prob->responseIds($partid);
338: my @response_type = $prob->responseType($partid);
339: for (my $i=0;$i<=$#responses;$i++) {
340: my $respid = $responses[$i];
341: my $results =
342: &Apache::loncoursedata::get_response_data_by_student
343: ($student,$prob->symb(),$respid);
344: my $resptype = $response_type[$i];
345: my @headers = &get_headers($prob,$partid,$respid,
346: $resptype,
347: $problem_analysis{$prob->src},
348: 'html','normal',
349: @extra_resp_headers);
350: my $width = scalar(@headers);
351: next if ($width < 1);
352: my $resp_data;
353: $resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
354: if (! defined($results)) {
355: $results = [];
356: }
357: #
358: if (scalar(@$results) > $maxrow && $resptype ne 'essay') {
359: $maxrow = scalar(@$results);
360: }
361: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
362: if ($env{'form.all_sub'} ne 'true') {
363: next if ($j ne scalar(@$results)-1);
364: }
365: my $response = &hashify_response($results->[$j],
366: $prob,
367: $student,
368: $partid,
369: $respid);
370: if ($resptype eq 'essay') {
371: push(@essays,
372: &html_essay_results(\@headers,
373: $prob,$partid,$respid,
374: $response,
375: $single_response).
376: '</td>');
377: } elsif (lc($resptype) eq 'task') {
378: my $results =
379: &html_task_results(\@headers,
380: $prob,$partid,$respid,
381: $response,$resptype);
382: if ($results) {
383: push(@{$resp_data->{'real'}},$results);
384: }
385: } else {
386: push(@{$resp_data->{'real'}},
387: &html_non_essay_results(\@headers,
388: $prob,$partid,$respid,
389: $response,$resptype));
390: }
391: }
392: $prob_data{$prob->symb}->{$partid}->{$respid}=$resp_data;
393: } # end of $i loop
394: } # end of partid loop
395: } # end of prob loop
396: #
397: # if there is no data, skip this student.
398: next if (! $maxrow && ! scalar(@essays));
399: #
400: # Go through the problem data and output a row.
401: if ($row_class eq 'even') {
402: $row_class = 'odd';
403: } else {
404: $row_class = 'even';
405: }
406: my $printed_something;
407: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
408: my $html;
409: my $no_data = 1;
410: foreach my $prob (@$problems) {
411: foreach my $partid (@{$prob->parts}) {
412: my @responses = $prob->responseIds($partid);
413: my @response_type = $prob->responseType($partid);
414: for (my $i=0;$i<=$#responses;$i++) {
415: my $respid = $responses[$i];
416: my $resp_data =
417: $prob_data{$prob->symb}->{$partid}->{$respid};
418: next if ($response_type[$i] eq 'essay');
419: if (defined($resp_data->{'real'}->[$rows_output])) {
420: $html .= $resp_data->{'real'}->[$rows_output];
421: $no_data = 0;
422: } else {
423: $html .= $resp_data->{'fake'};
424: }
425: }
426: }
427: }
428: if (! $no_data) {
429: $r->print(qq{<tr class="$row_class">$student_row_data$html</tr>}.$/);
430: $printed_something=1;
431: }
432: }
433: if (@essays) {
434: my $tr = qq{<tr class="$row_class">};
435: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
436: if (! $printed_something) {
437: $r->print($tr.$student_row_data.'</tr>'.$/);
438: }
439: $r->print($tr.$td.
440: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
441: undef(@essays);
442: }
443: } # end of student loop
444: return;
445: }
446:
447: sub hashify_response {
448: my ($response,$prob,$student,$partid,$respid) =@_;
449: my $resp_hash = {};
450: if ($env{'form.correctans'} eq 'true') {
451: $resp_hash->{'Correct'} =
452: &Apache::lonstathelpers::get_student_answer
453: ($prob,$student->{'username'},$student->{'domain'},
454: $partid,$respid);
455: }
456: $resp_hash->{'Submission'} =
457: $response->[&Apache::loncoursedata::RDs_submission()];
458: $resp_hash->{'Time'} =
459: $response->[&Apache::loncoursedata::RDs_timestamp()];
460: $resp_hash->{'Attempt'} =
461: $response->[&Apache::loncoursedata::RDs_tries()];
462: $resp_hash->{'Awarded'} =
463: $response->[&Apache::loncoursedata::RDs_awarded()];
464: if ($prob->is_task()) {
465: $resp_hash->{'Grader'} =
466: $response->[&Apache::loncoursedata::RDs_response_eval_2()];
467: if ($resp_hash->{'Attempt'} eq '0') {
468: $resp_hash->{'Attempt'} = '';
469: }
470: $resp_hash->{'Award Detail'} =
471: $response->[&Apache::loncoursedata::RDs_part_award()];
472: $resp_hash->{'Status'} =
473: $response->[&Apache::loncoursedata::RDs_response_eval()];
474: } else {
475: $resp_hash->{'Award Detail'} =
476: $response->[&Apache::loncoursedata::RDs_awarddetail()];
477: }
478:
479: return $resp_hash;
480: }
481:
482: #####################################################
483: ##
484: ## HTML helper routines
485: ##
486: #####################################################
487: sub html_essay_results {
488: my ($headers,$prob,$partid,$respid,$response,$single_response)=@_;
489: if (! ref($headers) || ref($headers) ne 'ARRAY') {
490: return '';
491: }
492: # Start of telling them what problem, part, and response
493: my $Str;
494: if (! $single_response) {
495: my $id = $prob->compTitle;
496: if (defined($partid) && $partid ne '0') {
497: $id .= ' '.$prob->part_display($partid);
498: }
499: if (defined($respid)) {
500: $id .= ' '.$respid;
501: }
502: $Str .= '<nobr>'.$id.'</nobr>'.(' 'x4);
503: }
504: #
505: shift(@$headers); # Get rid of the Submission header
506: my $correct = '';
507: if ($headers->[0] eq 'Correct') {
508: $correct = &html_format_essay_sub($response->{'Correct'});
509: shift(@$headers);
510: }
511: $Str .= '<nobr>'.
512: join('',
513: map {
514: (' 'x4).&mt($_.': [_1]',$response->{$_});
515: } @$headers).'</nobr>';
516: if (@$headers || ! $single_response) {
517: $Str .= '<br />';
518: }
519: $Str .= &html_format_essay_sub($response->{'Submission'});
520: #
521: if (defined($correct) && $correct !~ /^\s*$/) {
522: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
523: }
524: return $Str;
525: }
526:
527: sub html_format_essay_sub {
528: my ($submission) = @_;
529: return '' if (! defined($submission) || $submission eq '');
530: $submission = &HTML::Entities::decode($submission);
531: $submission =~ s/\\\"/\"/g;
532: $submission =~ s/\\\'/\'/g;
533: $submission =~ s|\\r\\n|$/|g;
534: $submission = &HTML::Entities::encode($submission,'<>&"');
535: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
536: $submission =~ s|\\||g;
537: $submission = '<p>'.$submission.'</p>';
538: return $submission;
539: }
540:
541: sub html_task_results {
542: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
543: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
544: return '';
545: }
546:
547: my @values;
548: @values = map { $response->{$_}; } @$headers;
549:
550: my $td = '<td valign="top">';
551: my $str = $td.join('</td>'.$td,@values).'</td>';
552: return $str;
553: }
554:
555: sub html_non_essay_results {
556: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
557: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
558: return '';
559: }
560: #
561: my $submission = &HTML::Entities::decode(&unescape($response->{'Submission'}));
562: return '' if (! defined($submission) || $submission eq '');
563: $submission =~ s/\\\"/\"/g;
564: $submission =~ s/\\\'/\'/g;
565: if ($resptype eq 'radiobutton') {
566: $submission = &HTML::Entities::encode($submission,'<>&"');
567: $submission =~ s/=([^=])$//;
568: $submission = '<nobr>'.$submission.'</nobr>';
569: }
570: $response->{'Submission'} = $submission;
571: #
572: my @values;
573: if ($resptype =~ /^(option|match|rank)$/) {
574: my %submission =
575: map {
576: my ($foil,$value) = split('=',&unescape($_));
577: ($foil,$value);
578: } split('&',$response->{'Submission'});
579: my %correct;
580: if (exists($response->{'Correct'})) {
581: %correct =
582: map {
583: my ($foil,$value)=split('=',&unescape($_));
584: ($foil,$value);
585: } split('&',$response->{'Correct'});
586: }
587: #
588: foreach my $original_header (@$headers) {
589: if ($original_header =~ /^_/) {
590: # '_' denotes a foil column
591: my ($header) = ($original_header =~ m/^_(.*)$/);
592: my $option = '';
593: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
594: if (exists($correct{$foil})) {
595: $option = $correct{$foil};
596: }
597: } elsif (exists($submission{$header})) {
598: $option = $submission{$header};
599: }
600: push(@values,&HTML::Entities::encode($option));
601: } elsif ($original_header eq 'Time') {
602: push(@values,&Apache::lonlocal::locallocaltime($response->{$original_header}));
603: } else {
604: # A normal column
605: push(@values,$response->{$original_header});
606: }
607: }
608: } else {
609: @values = map { $response->{$_}; } @$headers;
610: }
611: my $td = '<td valign="top">';
612: my $str = $td.join('</td>'.$td,@values).'</td>';
613: return $str;
614: }
615:
616:
617: #########################################################
618: #########################################################
619: ##
620: ## Excel Output Routines
621: ##
622: #########################################################
623: #########################################################
624: sub prepare_excel_output {
625: my ($r,$Problems,$Students) = @_;
626: my $c = $r->connection();
627: #
628: #
629: # Determine the number of columns in the spreadsheet
630: my $columncount = 3; # username, domain, id
631: my @extra_resp_headers = &get_extra_response_headers();
632: my $lastprob;
633: my %problem_analysis;
634: foreach my $prob (@$Problems) {
635: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
636: $problem_analysis{$prob->src}=\%analysis;
637: foreach my $partid (@{$prob->parts}) {
638: my $responses = [$prob->responseIds($partid)];
639: my $resptypes = [$prob->responseType($partid)];
640: for (my $i=0;$i<scalar(@$responses);$i++) {
641: my @headers = &get_headers($prob,$partid,$responses->[$i],
642: $resptypes->[$i],
643: $problem_analysis{$prob->src},
644: 'excel','display',
645: @extra_resp_headers);
646: $columncount += scalar(@headers);
647: }
648: }
649: last if ($columncount > 255);
650: $lastprob = $prob;
651: }
652: if ($columncount > 255) {
653: $r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
654: '<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
655: '<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/.
656: '<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
657: $r->rflush();
658: return;
659: }
660: #
661: # Print out a message telling them what we are doing
662: if (scalar(@$Problems) > 1) {
663: $r->print('<h2>'.
664: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
665: scalar(@$Problems)).
666: '</h2>');
667: } else {
668: $r->print('<h2>'.
669: &mt('Preparing Excel spreadsheet of student responses').
670: '</h2>');
671: }
672: $r->rflush();
673: #
674: # Create the excel spreadsheet
675: my ($workbook,$filename,$format) =
676: &Apache::loncommon::create_workbook($r);
677: return if (! defined($workbook));
678: my $worksheet = $workbook->addworksheet('Student Submission Data');
679: #
680: # Add headers to the worksheet
681: my $rows_output = 0;
682: $worksheet->write($rows_output++,0,
683: $env{'course.'.$env{'request.course.id'}.'.description'},
684: $format->{'h1'});
685: $rows_output++;
686: my $cols_output = 0;
687: my $title_row = $rows_output++;
688: my $partid_row = $rows_output++;
689: my $respid_row = $rows_output++;
690: my $header_row = $rows_output++;
691: $worksheet->write($title_row ,0,'Problem Title',$format->{'bold'});
692: $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
693: $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
694: # Student headers
695: my @StudentColumns = ('username','domain','id','section');
696: foreach (@StudentColumns) {
697: $worksheet->write($header_row,$cols_output++,ucfirst($_),
698: $format->{'bold'});
699: }
700: # Problem headers
701: my %start_col;
702: foreach my $prob (@$Problems) {
703: my $title = $prob->compTitle;
704: $worksheet->write($title_row,$cols_output,
705: $title,$format->{'h3'});
706: foreach my $partid (@{$prob->parts}) {
707: $worksheet->write($partid_row,$cols_output,
708: $prob->part_display($partid));
709: my $responses = [$prob->responseIds($partid)];
710: my $resptypes = [$prob->responseType($partid)];
711: for (my $i=0;$i<scalar(@$responses);$i++) {
712: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
713: $cols_output;
714: $worksheet->write($respid_row,$cols_output,
715: $resptypes->[$i].', '.$responses->[$i]);
716: my @headers = &get_headers($prob,$partid,$responses->[$i],
717: $resptypes->[$i],
718: $problem_analysis{$prob->src},
719: 'excel','display',
720: @extra_resp_headers);
721: foreach my $text (@headers) {
722: if ($text eq 'Time') {
723: $worksheet->set_column($cols_output,$cols_output,undef,
724: $format->{'date'});
725: }
726: $worksheet->write($header_row,$cols_output++,$text);
727: }
728: }
729: }
730: }
731: #
732: # Populate the worksheet with the student data
733: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
734: ($r,'Excel File Compilation Status',
735: 'Excel File Compilation Progress',
736: scalar(@$Students),'inline',undef,'Statistics','stats_status');
737: my $max_row = $rows_output;
738: foreach my $student (@$Students) {
739: last if ($c->aborted());
740: $cols_output = 0;
741: my $student_row = $max_row;
742: foreach my $field (@StudentColumns) {
743: $worksheet->write($student_row,$cols_output++,
744: $student->{$field});
745: }
746: my $last_student_col = $cols_output-1;
747: foreach my $prob (@$Problems) {
748: foreach my $partid (@{$prob->parts}) {
749: my @Response = $prob->responseIds($partid);
750: my @ResponseType = $prob->responseType($partid);
751: for (my $i=0;$i<=$#Response;$i++) {
752: my $respid = $Response[$i];
753: my $resptype = $ResponseType[$i];
754: my $results =
755: &Apache::loncoursedata::get_response_data_by_student
756: ($student,$prob->symb(),$respid);
757: my @headers = &get_headers($prob,$partid,$respid,
758: $resptype,
759: $problem_analysis{$prob->src},
760: 'excel','normal',
761: @extra_resp_headers);
762:
763: if (! defined($results)) {
764: $results = [];
765: }
766: #
767: $rows_output = $student_row;
768: #
769: my $response_start_col = $start_col{$prob->symb}->{$partid}->{$respid};
770: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
771: $cols_output = $response_start_col;
772: if ($env{'form.all_sub'} ne 'true') {
773: next if ($j ne scalar(@$results)-1);
774: }
775: my $response = &hashify_response($results->[$j],
776: $prob,
777: $student,
778: $partid,
779: $respid);
780: my @response_data =
781: &compile_response_data(\@headers,$response,
782: $prob,$partid,$respid,
783: $resptype,
784: \&excel_format_item);
785: $worksheet->write_row($rows_output++,$cols_output,
786: \@response_data);
787: $cols_output+=scalar(@response_data);
788: if ($rows_output > $max_row) {
789: $max_row = $rows_output;
790: }
791: }
792: }
793: }
794: }
795: # Fill in the remaining rows with the students data
796: for (my $row = $student_row+1;$row<$max_row;$row++) {
797: my $cols = 0;
798: foreach my $field (@StudentColumns) {
799: $worksheet->write($row,$cols++,
800: $student->{$field});
801: }
802: }
803: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
804: 'last student');
805: }
806: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
807: #
808: # Close the excel file
809: $workbook->close();
810: #
811: # Write a link to allow them to download it
812: $r->print('<p><a href="'.$filename.'">'.
813: &mt('Your Excel spreadsheet.').
814: '</a></p>'."\n");
815: $r->print('<script>'.
816: 'window.document.Statistics.stats_status.value="'.
817: 'Done compiling spreadsheet. See link below to download.'.
818: '";</script>');
819: $r->rflush();
820: return;
821: }
822:
823: sub compile_response_data {
824: my ($headers,$response,$prob,$partid,$respid,$resptype,$format) = @_;
825: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
826: return ();
827: }
828: if (ref($format) ne 'CODE') {
829: $format = sub { return $_[0]; };
830: }
831: #
832: my $submission =
833: &HTML::Entities::decode
834: (&unescape($response->{'Submission'}));
835: if (!$prob->is_task()) {
836: return () if (! defined($submission) || $submission eq '');
837: }
838: $submission =~ s/\\\"/\"/g;
839: $submission =~ s/\\\'/\'/g;
840: if ($resptype eq 'radiobutton') {
841: $submission =~ s/=([^=])$//;
842: }
843: $response->{'Submission'} = $submission;
844: #
845: my @values;
846: if ($resptype =~ /^(option|match|rank)$/) {
847: my %submission =
848: map {
849: my ($foil,$value) = split('=',&unescape($_));
850: ($foil,$value);
851: } split('&',$response->{'Submission'});
852: my %correct;
853: if (exists($response->{'Correct'})) {
854: %correct =
855: map {
856: my ($foil,$value)=split('=',&unescape($_));
857: ($foil,$value);
858: } split('&',$response->{'Correct'});
859: }
860: #
861: foreach my $original_header (@$headers) {
862: if ($original_header =~ /^_/) {
863: # '_' denotes a foil column
864: my ($header) = ($original_header =~ m/^_(.*)$/);
865: my $option = '';
866: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
867: if (exists($correct{$foil})) {
868: $option = $correct{$foil};
869: }
870: } elsif (exists($submission{$header})) {
871: $option = $submission{$header};
872: }
873: push(@values,&{$format}($option,$header));
874: } else {
875: # A normal column
876: push(@values,&{$format}($response->{$original_header},
877: $original_header));
878: }
879: }
880: } else {
881: @values = map { &{$format}($response->{$_},$_); } @$headers;
882: }
883: return @values;
884: }
885:
886: sub excel_format_item {
887: my ($item,$type) = @_;
888: if ($type eq 'Time') {
889: $item = &Apache::lonstathelpers::calc_serial($item);
890: } else {
891: if ($item =~ m/^=/) {
892: $item = ' '.$item;
893: }
894: $item =~ s/\\r//g;
895: $item =~ s/\\n/\n/g;
896: $item =~ s/(\s*$|^\s*)//g;
897: $item =~ s/\\\'/\'/g;
898: }
899: return $item;
900: }
901:
902: #########################################################
903: #########################################################
904: ##
905: ## CSV output of student answers
906: ##
907: #########################################################
908: #########################################################
909: sub prepare_csv_output {
910: my ($r,$problems,$students) = @_;
911: my $c = $r->connection();
912: #
913: $r->print('<h2>'.
914: &mt('Generating CSV report of student responses').'</h2>');
915: #
916: # Progress window
917: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
918: ($r,'CSV File Compilation Status',
919: 'CSV File Compilation Progress',
920: scalar(@$students),'inline',undef,'Statistics','stats_status');
921:
922: $r->rflush();
923: #
924: # Open a file
925: my $outputfile;
926: my $filename = '/prtspool/'.
927: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
928: time.'_'.rand(1000000000).'.csv';
929: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
930: $r->log_error("Couldn't open $filename for output $!");
931: $r->print("Problems occured in writing the csv file. ".
932: "This error has been logged. ".
933: "Please alert your LON-CAPA administrator.");
934: $outputfile = undef;
935: }
936: #
937: # Compute the number of columns per response
938: my @extra_resp_headers = &get_extra_response_headers();
939: #
940: # Create the table header
941: my @student_columns = ('username','domain','id','section');
942: #
943: my %headers;
944: push(@{$headers{'student'}},@student_columns);
945: # Pad for the student data
946: foreach my $row ('problem','part','response') {
947: $headers{$row}=[map {''} @student_columns];
948: }
949: #
950: # we put the headers into the %headers hash
951: my %problem_analysis;
952: my %start_col;
953: my $max_column = scalar(@student_columns);
954: foreach my $prob (@$problems) {
955: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
956: $problem_analysis{$prob->src}=\%analysis;
957: $headers{'problem'}->[$max_column] = $prob->compTitle;
958: foreach my $partid (@{$prob->parts}) {
959: $headers{'part'}->[$max_column] = $prob->part_display($partid);
960: my $responses = [$prob->responseIds($partid)];
961: my $resptypes = [$prob->responseType($partid)];
962: for (my $i=0;$i<scalar(@$responses);$i++) {
963: my @headers = &get_headers($prob,$partid,$responses->[$i],
964: $resptypes->[$i],
965: $problem_analysis{$prob->src},
966: 'csv','display',
967: @extra_resp_headers);
968: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
969: $max_column;
970: $headers{'response'}->[$max_column]=
971: &mt('Response [_1]',$responses->[$i]);
972: for (my $j=0;$j<=$#headers;$j++) {
973: $headers{'student'}->[$max_column+$j]=$headers[$j];
974: }
975: $max_column += scalar(@headers);
976: }
977: }
978: }
979: foreach my $row ('problem','part','response','student') {
980: print $outputfile '"'.
981: join('","',
982: map {
983: &Apache::loncommon::csv_translate($_);
984: } @{$headers{$row}}).'"'.$/;
985: }
986: #
987: # Main loop
988: foreach my $student (@$students) {
989: last if ($c->aborted());
990: my @rows;
991: foreach my $prob (@$problems) {
992: foreach my $partid (@{$prob->parts}) {
993: my @responses = $prob->responseIds($partid);
994: my @response_type = $prob->responseType($partid);
995: for (my $i=0;$i<=$#responses;$i++) {
996: my $respid = $responses[$i];
997: my $resptype = $response_type[$i];
998: my @headers = &get_headers($prob,$partid,$respid,$resptype,
999: $problem_analysis{$prob->src},
1000: 'csv','normal',
1001: @extra_resp_headers);
1002: my $results =
1003: &Apache::loncoursedata::get_response_data_by_student
1004: ($student,$prob->symb(),$respid);
1005: if (! defined($results)) {
1006: $results = [];
1007: }
1008: for (my $j=0; $j<scalar(@$results);$j++) {
1009: if ($env{'form.all_sub'} ne 'true') {
1010: next if ($j != 0);
1011: }
1012: my $idx = scalar(@$results) - $j - 1;
1013: my $response = &hashify_response($results->[$idx],
1014: $prob,$student,
1015: $partid,$respid);
1016: my @data = &compile_response_data(\@headers,$response,
1017: $prob,$partid,
1018: $respid,$resptype,
1019: \&csv_format_item);
1020: my $resp_start_idx =
1021: $start_col{$prob->symb}->{$partid}->{$respid};
1022: for (my $k=0;$k<=$#data;$k++) {
1023: $rows[$j]->[$resp_start_idx + $k] = $data[$k];
1024: }
1025: }
1026: }
1027: }
1028: }
1029: foreach my $row (@rows) {
1030: print $outputfile '"'.join('","',
1031: map { $student->{$_}; }
1032: @student_columns).'"';
1033: for (my $i=scalar(@student_columns);$i<$max_column;$i++) {
1034: my $value = &Apache::loncommon::csv_translate($row->[$i]);
1035: $value ||='';
1036: print $outputfile ',"'.$value.'"';
1037: }
1038: print $outputfile $/;
1039: }
1040: undef(@rows);
1041: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1042: 'last student');
1043: }
1044: close($outputfile);
1045: #
1046: # Close the progress window
1047: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1048: #
1049: # Tell the user where to get their csv file
1050: $r->print('<br />'.
1051: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1052: $r->rflush();
1053: return;
1054: }
1055:
1056: sub csv_format_item {
1057: my ($item,$type) = @_;
1058: if ($type eq 'Time') {
1059: $item = localtime($item);
1060: }
1061: $item =&Apache::loncommon::csv_translate($item);
1062: return $item;
1063: }
1064:
1065: #########################################################
1066: #########################################################
1067: ##
1068: ## Generic Interface Routines
1069: ##
1070: #########################################################
1071: #########################################################
1072: sub CreateInterface {
1073: ##
1074: ## Output Selection
1075: my $output_selector = $/.'<select name="output">'.$/;
1076: foreach ('HTML','Excel','CSV') {
1077: $output_selector .= ' <option value="'.lc($_).'"';
1078: if ($env{'form.output'} eq lc($_)) {
1079: $output_selector .= ' selected ';
1080: }
1081: $output_selector .='>'.&mt($_).'</option>'.$/;
1082: }
1083: $output_selector .= '</select>'.$/;
1084: ##
1085: ## Environment variable initialization
1086: my $Str = '';
1087: $Str .= &Apache::lonhtmlcommon::breadcrumbs('Student Submission Reports');
1088: $Str .= '<p>';
1089: $Str .= '<table cellspacing="5">'."\n";
1090: $Str .= '<tr>';
1091: $Str .= '<th>'.&mt('Sections').'</th>';
1092: $Str .= '<th>'.&mt('Groups').'</th>';
1093: $Str .= '<th>'.&mt('Enrollment Status').'</th>';
1094: $Str .= '<th>'.&mt('Output as [_1]',$output_selector).'</th>';
1095: $Str .= '</tr>'."\n";
1096: #
1097: $Str .= '<tr><td align="center">'."\n";
1098: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1099: $Str .= '</td>';
1100: #
1101: $Str .= '<td align="center">'."\n";
1102: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
1103: $Str .= '</td>';
1104: #
1105: $Str .= '<td align="center">';
1106: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1107: $Str .= '</td>';
1108: #
1109: # Render problem checkbox
1110: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1111: if (exists($env{'form.renderprob'}) && $env{'form.renderprob'} eq 'true') {
1112: $prob_checkbox .= 'checked ';
1113: }
1114: $prob_checkbox .= 'value="true" />';
1115: #
1116: # Compute correct answers checkbox
1117: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1118: if (exists($env{'form.correctans'}) && $env{'form.correctans'} eq 'true') {
1119: $ans_checkbox .= 'checked ';
1120: }
1121: $ans_checkbox .= 'value="true" />';
1122: #
1123: # Show all submissions checkbox
1124: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1125: if (exists($env{'form.all_sub'}) &&
1126: $env{'form.all_sub'} eq 'true') {
1127: $all_sub_checkbox .= 'checked ';
1128: }
1129: $all_sub_checkbox.= 'value="true" />';
1130: #
1131: # problem status checkbox
1132: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1133: if (exists($env{'form.prob_status'}) &&
1134: $env{'form.prob_status'} eq 'true') {
1135: $prob_status_checkbox .= 'checked ';
1136: }
1137: $prob_status_checkbox .= 'value="true" />';
1138: #
1139: $Str .= '<td align="right" valign="top">'.
1140: '<label><b>'.
1141: &mt('Show problem [_1]',$prob_checkbox).'</b></label><br />'.
1142: '<label><b>'.
1143: &mt('Show correct answers [_1]',$ans_checkbox).'</b></label><br />'.
1144: '<label><b>'.
1145: &mt('Show all submissions [_1]',$all_sub_checkbox).
1146: '</b></label><br />'.
1147: '<label><b>'.
1148: &mt('Show problem grading [_1]',$prob_status_checkbox).
1149: '</b></label><br />'.
1150: '</td>';
1151: #
1152: $Str .= '</tr>'."\n";
1153: $Str .= '</table>'."\n";
1154: #
1155: $Str .= '<p><nobr>'.&mt('Status: [_1]',
1156: '<input type="text" '.
1157: 'name="stats_status" size="60" value="" />').
1158: '</nobr>'.'</p>';
1159: ##
1160: return $Str;
1161: }
1162:
1163: 1;
1164:
1165: __END__
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