1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.30 2005/02/02 18:53:32 matthew 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:
41: my @SubmitButtons = ({ name => 'SelectAnother',
42: text => 'Choose a different Problem' },
43: { name => 'Generate',
44: text => 'Generate Report'},
45: );
46:
47: sub BuildStudentSubmissionsPage {
48: my ($r,$c)=@_;
49: #
50: my %Saveable_Parameters = ('Status' => 'scalar',
51: 'Section' => 'array',
52: 'NumPlots' => 'scalar',
53: );
54: &Apache::loncommon::store_course_settings('student_submissions',
55: \%Saveable_Parameters);
56: &Apache::loncommon::restore_course_settings('student_submissions',
57: \%Saveable_Parameters);
58: #
59: &Apache::lonstatistics::PrepareClasslist();
60: #
61: $r->print(&CreateInterface());
62: #
63: my @Students = @Apache::lonstatistics::Students;
64: #
65: if (@Students < 1) {
66: $r->print('<h2>There are no students in the sections selected</h2>');
67: }
68: #
69: my @CacheButtonHTML =
70: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status',
71: '<h3>'.&mt('Loading student data').'</h3>');
72: $r->rflush();
73: #
74: if (exists($ENV{'form.problemchoice'}) &&
75: ! exists($ENV{'form.SelectAnother'})) {
76: foreach my $button (@SubmitButtons) {
77: if ($button->{'name'} eq 'break') {
78: $r->print("<br />\n");
79: } else {
80: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
81: 'value="'.&mt($button->{'text'}).'" />');
82: $r->print(' 'x5);
83: }
84: }
85: foreach my $html (@CacheButtonHTML) {
86: $r->print($html.(' 'x5));
87: }
88: #
89: $r->print('<hr />'.$/);
90: $r->rflush();
91: #
92: # Determine which problems we are to analyze
93: my @Symbs =
94: &Apache::lonstathelpers::get_selected_symbs('problemchoice');
95: foreach my $selected (@Symbs) {
96: $r->print('<input type="hidden" name="problemchoice" value="'.
97: $selected.'" />'.$/);
98: }
99: #
100: # Get resource objects
101: my $navmap = Apache::lonnavmaps::navmap->new();
102: if (!defined($navmap)) {
103: $r->print('<h1>'.&mt("Internal error").'</h1>');
104: return;
105: }
106: my %already_seen;
107: my @Problems;
108: foreach my $symb (@Symbs) {
109: my $resource = $navmap->getBySymb($symb);
110: push(@Problems,$resource);
111: }
112: #
113: if (! scalar(@Problems) || ! defined($Problems[0])) {
114: $r->print('resource is undefined');
115: } else {
116: if (scalar(@Problems) == 1) {
117: my $resource = $Problems[0];
118: $r->print('<h1>'.$resource->title.'</h1>');
119: $r->print('<h3>'.$resource->src.'</h3>');
120: if ($ENV{'form.renderprob'} eq 'true') {
121: $r->print(
122: &Apache::lonstathelpers::render_resource({src => $resource->src})
123: );
124: $r->rflush();
125: }
126: }
127: if ($ENV{'form.output'} eq 'excel') {
128: &prepare_excel_output($r,\@Problems,\@Students);
129: } elsif ($ENV{'form.output'} eq 'csv') {
130: &prepare_csv_output($r,\@Problems,\@Students);
131: } else {
132: &prepare_html_output($r,\@Problems,\@Students);
133: }
134: }
135: $r->print('<hr />');
136: } else {
137: $r->print('<input type="submit" name="Generate" value="'.
138: &mt('Prepare Report').'" />');
139: $r->print(' 'x5);
140: $r->print('<p>'.
141: &mt('Computing correct answers greatly increasese the amount of time required to prepare a report.').
142: '</p>');
143: $r->print('<p>'.
144: &mt('please select problems and use the <b>Prepare Report</b> button to continue.').
145: '</p>');
146: $r->print(&Apache::lonstathelpers::MultipleProblemSelector
147: (undef,'problemchoice','Statistics'));
148: }
149: }
150:
151: ##
152: ## get_headers:
153: ## return the proper headers for the given response
154: sub get_headers {
155: my ($prob,$partid,$respid,$resptype,$analysis,$output,$purpose,
156: @basic_headers) = @_;
157: my @headers;
158: if ($resptype eq 'essay' && $purpose eq 'display' &&
159: ($output eq 'html')) {# || scalar(@{$prob->parts})!=1)) {
160: @headers = ();
161: } elsif ($resptype =~ /^(option|match|rank)$/) {
162: my $prefix = '_';
163: if ($purpose eq 'display') {
164: $prefix = '';
165: }
166: my @foils =
167: map {
168: $prefix.$_;
169: } sort(keys(%{$analysis->{$partid.'.'.$respid}->{'_Foils'}}));
170: if (scalar(@basic_headers) && $basic_headers[0] eq 'Correct') {
171: @foils = map { ($_ , $_.' Correct') } @foils;
172: shift(@basic_headers); # Get rid of 'Correct'
173: }
174: @headers = (@foils,@basic_headers);
175: } else {
176: @headers = ('Submission',@basic_headers);
177: }
178: return @headers;
179: }
180:
181: #########################################################
182: #########################################################
183: ##
184: ## HTML Output Routines
185: ##
186: #########################################################
187: #########################################################
188: sub prepare_html_output {
189: my ($r,$problems,$students) = @_;
190: my $c = $r->connection();
191: #
192: # Set a flag for the case when there is just one problem
193: my $single_response = 0;
194: if (scalar(@$problems) == 1 &&
195: $problems->[0]->countResponses == 1) {
196: $single_response = 1;
197: }
198: #
199: # Compute the number of columns per response
200: my @extra_resp_headers;
201: if ($ENV{'form.correctans'} eq 'true') {
202: push(@extra_resp_headers,'Correct');
203: }
204: if ($ENV{'form.prob_status'} eq 'true') {
205: push(@extra_resp_headers,'Award Detail');
206: push(@extra_resp_headers,'Time');
207: push(@extra_resp_headers,'Attempt');
208: push(@extra_resp_headers,'Awarded');
209: }
210: my $response_multiplier = scalar(@extra_resp_headers);
211: #
212: # Create the table header
213: my @student_columns = ('username','domain','id');
214: #
215: my %headers;
216: my $student_column_count = scalar(@student_columns);
217: $headers{'problem'} = qq{<th colspan="$student_column_count">\ </th>};
218: foreach (@student_columns) {
219: $headers{'student'}.= '<th>'.ucfirst($_).'</th>';
220: }
221: #
222: # we put the headers into the %headers hash
223: my $total_col = scalar(@student_columns);
224: my $nonempty_part_headers = 0;
225: #
226: my %problem_analysis;
227: foreach my $prob (@$problems) {
228: my $src = $prob->src;
229: my %analysis = &Apache::lonstathelpers::get_problem_data($src);
230: $problem_analysis{$prob->src}=\%analysis;
231: #
232: my $prob_span = 0;
233: my $single_part = 0;
234: if (scalar(@{$prob->parts}) == 1) {
235: $single_part = 1;
236: }
237: foreach my $partid (@{$prob->parts}) {
238: my $part_span = 0;
239: my $responses = [$prob->responseIds($partid)];
240: my $resptypes = [$prob->responseType($partid)];
241: for (my $i=0;$i<scalar(@$responses);$i++) {
242: my $respid = $responses->[$i];
243: my @headers = &get_headers($prob,$partid,$respid,
244: $resptypes->[$i],
245: $problem_analysis{$prob->src},
246: 'html','display',
247: @extra_resp_headers);
248: if (scalar(@headers)>0) {
249: $total_col += scalar(@headers);
250: $part_span += scalar(@headers);
251: $headers{'response'} .=
252: '<th colspan="'.scalar(@headers).'">'.
253: &mt('Response [_1]',$responses->[$i]).'</th>';
254: $headers{'student'}.= '<th>'.join('</th><th><nobr>',
255: @headers).
256: '</nobr></th>';
257: }
258: }
259: if (! $single_part) {
260: my $tmpname = $partid;
261: if ($partid =~/^\d+$/) {
262: $tmpname = $prob->part_display($partid);
263: }
264: $headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
265: $nonempty_part_headers = 1;
266: } else {
267: $headers{'part'} .= qq{<th colspan="$part_span"> </th>};
268: }
269: $prob_span += $part_span;
270: }
271: my $title = $prob->compTitle;
272: if ($prob_span > 0) {
273: $headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
274: } elsif ($single_response) {
275: $prob_span = scalar(@student_columns);
276: $headers{'problem'} = qq{<th colspan="$prob_span">$title</th>};
277: }
278: }
279: if (exists($headers{'part'})) {
280: $headers{'part'} = qq{<th colspan="$student_column_count">\ </th>}.
281: $headers{'part'};
282: }
283: if (exists($headers{'response'})) {
284: $headers{'response'}=
285: qq{<th colspan="$student_column_count">\ </th>}.
286: $headers{'response'};
287: }
288: my $full_header = $/.'<table>'.$/;
289: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
290: if ($nonempty_part_headers) {
291: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
292: }
293: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
294: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
295: #
296: # Main loop
297: my $count;
298: $r->print($/.$full_header.$/);
299: my $row_class = 'odd'; # css
300: my $mycount = 10;
301: foreach my $student (@$students) {
302: last if ($mycount-- < 1);
303: my $student_row_data;
304: if ($count++ >= 30) {
305: $r->print('</table>'.$/.$full_header.$/);
306: $count = 0;
307: }
308: last if ($c->aborted());
309: foreach my $field (@student_columns) {
310: $student_row_data .=
311: '<td valign="top">'.$student->{$field}.'</td>';
312: }
313: #
314: # Figure out what it is we need to output for this student
315: my @essays;
316: my %prob_data;
317: my $maxrow;
318: foreach my $prob (@$problems) {
319: $prob_data{$prob->symb}={};
320: foreach my $partid (@{$prob->parts}) {
321: my @responses = $prob->responseIds($partid);
322: my @response_type = $prob->responseType($partid);
323: for (my $i=0;$i<=$#responses;$i++) {
324: my $respid = $responses[$i];
325: my $results =
326: &Apache::loncoursedata::get_response_data_by_student
327: ($student,$prob->symb(),$respid);
328: my $resptype = $response_type[$i];
329: my @headers = &get_headers($prob,$partid,$respid,
330: $resptype,
331: $problem_analysis{$prob->src},
332: 'html','normal',
333: @extra_resp_headers);
334: my $width = scalar(@headers);
335: my $resp_data;
336: $resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
337: if (! defined($results)) {
338: $results = [];
339: }
340: #
341: if (scalar(@$results) > $maxrow && $resptype ne 'essay') {
342: $maxrow = scalar(@$results);
343: }
344: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
345: if ($ENV{'form.all_sub'} ne 'true') {
346: next if ($j ne scalar(@$results)-1);
347: }
348: my $response = &hashify_response($results->[$j],
349: $prob,
350: $student,
351: $partid,
352: $respid);
353: if ($resptype eq 'essay') {
354: push(@essays,
355: &html_essay_results(\@headers,
356: $prob,$partid,$respid,
357: $response,
358: $single_response).
359: '</td>');
360: } else {
361: push(@{$resp_data->{'real'}},
362: &html_non_essay_results(\@headers,
363: $prob,$partid,$respid,
364: $response,$resptype));
365: }
366: }
367: $prob_data{$prob->symb}->{$partid}->{$respid}=$resp_data;
368: } # end of $i loop
369: } # end of partid loop
370: } # end of prob loop
371: #
372: # if there is no data, skip this student.
373: next if (! $maxrow && ! scalar(@essays));
374: #
375: # Go through the problem data and output a row.
376: if ($row_class eq 'even') {
377: $row_class = 'odd';
378: } else {
379: $row_class = 'even';
380: }
381: my $printed_something;
382: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
383: my $html;
384: my $no_data = 1;
385: foreach my $prob (@$problems) {
386: foreach my $partid (@{$prob->parts}) {
387: my @responses = $prob->responseIds($partid);
388: my @response_type = $prob->responseType($partid);
389: for (my $i=0;$i<=$#responses;$i++) {
390: my $respid = $responses[$i];
391: my $resp_data =
392: $prob_data{$prob->symb}->{$partid}->{$respid};
393: next if ($response_type[$i] eq 'essay');
394: if (defined($resp_data->{'real'}->[$rows_output])) {
395: $html .= $resp_data->{'real'}->[$rows_output];
396: $no_data = 0;
397: } else {
398: $html .= $resp_data->{'fake'};
399: }
400: }
401: }
402: }
403: if (! $no_data) {
404: $r->print(qq{<tr class="$row_class">$student_row_data$html</tr>}.$/);
405: $printed_something=1;
406: }
407: }
408: if (@essays) {
409: my $tr = qq{<tr class="$row_class">};
410: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
411: if (! $printed_something) {
412: $r->print($tr.$student_row_data.'</tr>'.$/);
413: }
414: $r->print($tr.$td.
415: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
416: undef(@essays);
417: }
418: } # end of student loop
419: return;
420: }
421:
422: sub hashify_response {
423: my ($response,$prob,$student,$partid,$respid) =@_;
424: my $resp_hash = {};
425: if ($ENV{'form.correctans'} eq 'true') {
426: $resp_hash->{'Correct'} =
427: &Apache::lonstathelpers::get_student_answer
428: ($prob,$student->{'username'},$student->{'domain'},
429: $partid,$respid);
430: }
431: $resp_hash->{'Submission'} =
432: $response->[&Apache::loncoursedata::RDs_submission()];
433: $resp_hash->{'Award Detail'} =
434: $response->[&Apache::loncoursedata::RDs_awarddetail()];
435: $resp_hash->{'Time'} =
436: $response->[&Apache::loncoursedata::RDs_timestamp()];
437: $resp_hash->{'Attempt'} =
438: $response->[&Apache::loncoursedata::RDs_tries()];
439: $resp_hash->{'Awarded'} =
440: $response->[&Apache::loncoursedata::RDs_awarded()];
441: return $resp_hash;
442: }
443:
444: #####################################################
445: ##
446: ## HTML helper routines
447: ##
448: #####################################################
449: sub html_essay_results {
450: my ($headers,$prob,$partid,$respid,$response,$single_response)=@_;
451: if (! ref($headers) || ref($headers) ne 'ARRAY') {
452: return '';
453: }
454: # Start of telling them what problem, part, and response
455: my $Str;
456: if (! $single_response) {
457: my $id = $prob->compTitle;
458: if (defined($partid) && $partid ne '0') {
459: $id .= ' '.$prob->part_display($partid);
460: }
461: if (defined($respid)) {
462: $id .= ' '.$respid;
463: }
464: $Str .= '<nobr>'.$id.'</nobr>'.(' 'x4);
465: }
466: #
467: shift(@$headers); # Get rid of the Submission header
468: my $correct = '';
469: if ($headers->[0] eq 'Correct') {
470: $correct = &html_format_essay_sub($response->{'Correct'});
471: shift(@$headers);
472: }
473: $Str .= '<nobr>'.
474: join('',
475: map {
476: (' 'x4).&mt($_.': [_1]',$response->{$_});
477: } @$headers).'</nobr>';
478: if (@$headers || ! $single_response) {
479: $Str .= '<br />';
480: }
481: $Str .= &html_format_essay_sub($response->{'Submission'});
482: #
483: if (defined($correct) && $correct !~ /^\s*$/) {
484: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
485: }
486: return $Str;
487: }
488:
489: sub html_format_essay_sub {
490: my ($submission) = @_;
491: return '' if (! defined($submission) || $submission eq '');
492: $submission = &HTML::Entities::decode($submission);
493: $submission =~ s/\\\"/\"/g;
494: $submission =~ s/\\\'/\'/g;
495: $submission =~ s|\\r\\n|$/|g;
496: $submission = &HTML::Entities::encode($submission,'<>&"');
497: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
498: $submission =~ s|\\||g;
499: $submission = '<p>'.$submission.'</p>';
500: return $submission;
501: }
502:
503: sub html_non_essay_results {
504: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
505: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
506: return '';
507: }
508: #
509: my $submission = &HTML::Entities::decode($response->{'Submission'});
510: return '' if (! defined($submission) || $submission eq '');
511: $submission =~ s/\\\"/\"/g;
512: $submission =~ s/\\\'/\'/g;
513: if ($resptype eq 'radiobutton') {
514: $submission = &HTML::Entities::encode($submission,'<>&"');
515: $submission =~ s/=([^=])$//;
516: $submission = '<nobr>'.$submission.'</nobr>';
517: }
518: $response->{'Submission'} = $submission;
519: #
520: my @values;
521: if ($resptype =~ /^(option|match|rank)$/) {
522: my %submission =
523: map {
524: my ($foil,$value) = split('=',&Apache::lonnet::unescape($_));
525: ($foil,$value);
526: } split('&',$response->{'Submission'});
527: my %correct;
528: if (exists($response->{'Correct'})) {
529: %correct =
530: map {
531: my ($foil,$value)=split('=',&Apache::lonnet::unescape($_));
532: ($foil,$value);
533: } split('&',$response->{'Correct'});
534: }
535: #
536: foreach my $original_header (@$headers) {
537: if ($original_header =~ /^_/) {
538: # '_' denotes a foil column
539: my ($header) = ($original_header =~ m/^_(.*)$/);
540: my $option = '';
541: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
542: if (exists($correct{$foil})) {
543: $option = $correct{$foil};
544: }
545: } elsif (exists($submission{$header})) {
546: $option = $submission{$header};
547: }
548: push(@values,&HTML::Entities::encode($option));
549: } else {
550: # A normal column
551: push(@values,$response->{$original_header});
552: }
553: }
554: } else {
555: @values = map { $response->{$_}; } @$headers;
556: }
557: my $td = '<td valign="top">';
558: my $str = $td.join('</td>'.$td,@values).'</td>';
559: return $str;
560: }
561:
562:
563: #########################################################
564: #########################################################
565: ##
566: ## Excel Output Routines
567: ##
568: #########################################################
569: #########################################################
570: sub prepare_excel_output {
571: my ($r,$Problems,$Students) = @_;
572: my $c = $r->connection();
573: #
574: #
575: # Determine the number of columns in the spreadsheet
576: my $columncount = 3; # username, domain, id
577: my $response_multiplier = 1;
578: $response_multiplier ++ if ($ENV{'form.correctans'} eq 'true');
579: $response_multiplier += 4 if ($ENV{'form.prob_status'} eq 'true');
580: my $lastprob;
581: foreach my $prob (@$Problems) {
582: $columncount += ($response_multiplier * $prob->countResponses);
583: last if ($columncount > 255);
584: $lastprob = $prob;
585: }
586: if ($columncount > 255) {
587: $r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
588: '<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>'.$/.
589: '<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/.
590: '<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
591: $r->rflush();
592: return;
593: }
594: #
595: # Print out a message telling them what we are doing
596: if (scalar(@$Problems) > 1) {
597: $r->print('<h2>'.
598: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
599: scalar(@$Problems)).
600: '</h2>');
601: } else {
602: $r->print('<h2>'.
603: &mt('Preparing Excel spreadsheet of student responses').
604: '</h2>');
605: }
606: $r->rflush();
607: #
608: # Create the excel spreadsheet
609: my $filename = '/prtspool/'.
610: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
611: time.'_'.rand(1000000000).'.xls';
612: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
613: if (! defined($workbook)) {
614: $r->log_error("Error creating excel spreadsheet $filename: $!");
615: $r->print('<p>'.&mt("Unable to create new Excel file. ".
616: "This error has been logged. ".
617: "Please alert your LON-CAPA administrator").
618: '</p>');
619: return undef;
620: }
621: #
622: $workbook->set_tempdir('/home/httpd/perl/tmp');
623: #
624: my $format = &Apache::loncommon::define_excel_formats($workbook);
625: my $worksheet = $workbook->addworksheet('Student Submission Data');
626: #
627: # Add headers to the worksheet
628: my $rows_output = 0;
629: $worksheet->write($rows_output++,0,
630: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
631: $format->{'h1'});
632: $rows_output++;
633: my $cols_output = 0;
634: my $title_row = $rows_output++;
635: my $partid_row = $rows_output++;
636: my $respid_row = $rows_output++;
637: my $header_row = $rows_output++;
638: $worksheet->write($title_row ,0,'Problem Title',$format->{'bold'});
639: $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
640: $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
641: # Student headers
642: my @StudentColumns = ('username','domain','id');
643: foreach (@StudentColumns) {
644: $worksheet->write($header_row,$cols_output++,ucfirst($_),
645: $format->{'bold'});
646: }
647: # Problem headers
648: foreach my $prob (@$Problems) {
649: my $title = $prob->compTitle;
650: $worksheet->write($title_row,$cols_output,
651: $title,$format->{'h3'});
652: foreach my $partid (@{$prob->parts}) {
653: $worksheet->write($partid_row,$cols_output,
654: $prob->part_display($partid));
655: my $responses = [$prob->responseIds($partid)];
656: my $resptypes = [$prob->responseType($partid)];
657: for (my $i=0;$i<scalar(@$responses);$i++) {
658: $worksheet->write($respid_row,$cols_output,
659: $resptypes->[$i].', '.$responses->[$i]);
660: $worksheet->write($header_row,$cols_output,'Submission');
661: $cols_output++;
662: if ($ENV{'form.correctans'} eq 'true') {
663: $worksheet->write($header_row,$cols_output,'Correct');
664: $cols_output++;
665: }
666: if ($ENV{'form.prob_status'} eq 'true') {
667: $worksheet->write($header_row,$cols_output++,
668: 'Award Detail');
669: $worksheet->write($header_row,$cols_output++,'Attempt');
670: $worksheet->write($header_row,$cols_output++,'Time');
671: $worksheet->write($header_row,$cols_output++,'Awarded');
672: }
673: }
674: }
675: }
676: #
677: # Populate the worksheet with the student data
678: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
679: ($r,'Excel File Compilation Status',
680: 'Excel File Compilation Progress',
681: scalar(@$Students),'inline',undef,'Statistics','stats_status');
682: my $max_row = $rows_output;
683: foreach my $student (@$Students) {
684: last if ($c->aborted());
685: $cols_output = 0;
686: my $student_row = $max_row;
687: foreach my $field (@StudentColumns) {
688: $worksheet->write($student_row,$cols_output++,
689: $student->{$field});
690: }
691: my $last_student_col = $cols_output-1;
692: my $response_count;
693: foreach my $prob (@$Problems) {
694: foreach my $partid (@{$prob->parts}) {
695: my @Response = $prob->responseIds($partid);
696: my @ResponseType = $prob->responseType($partid);
697: for (my $i=0;$i<=$#Response;$i++) {
698: my $response_start_col = $last_student_col +
699: $response_count * $response_multiplier + 1;
700: $response_count++;
701: my $respid = $Response[$i];
702: my $resptype = $ResponseType[$i];
703: my $results =
704: &Apache::loncoursedata::get_response_data_by_student
705: ($student,$prob->symb(),$respid);
706: if (! defined($results)) {
707: $results = [];
708: }
709: #
710: $rows_output = $student_row;
711: #
712: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
713: $cols_output = $response_start_col;
714: my $response = $results->[$j];
715: if ($ENV{'form.all_sub'} ne 'true') {
716: next if ($j ne scalar(@$results)-1);
717: }
718: my $cols_output = &write_excel_row
719: ($worksheet,
720: $rows_output++,$cols_output,
721: $response,$student,
722: $prob,$partid,$respid,
723: $format,$resptype);
724: if ($rows_output > $max_row) {
725: $max_row = $rows_output;
726: }
727: }
728: }
729: }
730: }
731: # Fill in the remaining rows with the students data
732: for (my $row = $student_row+1;$row<=$max_row;$row++) {
733: my $cols = 0;
734: foreach my $field (@StudentColumns) {
735: $worksheet->write($row,$cols++,
736: $student->{$field});
737: }
738: }
739: $rows_output++;
740: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
741: 'last student');
742: }
743: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
744: #
745: # Close the excel file
746: $workbook->close();
747: #
748: # Write a link to allow them to download it
749: $r->print('<p><a href="'.$filename.'">'.
750: &mt('Your Excel spreadsheet.').
751: '</a></p>'."\n");
752: $r->print('<script>'.
753: 'window.document.Statistics.stats_status.value="'.
754: 'Done compiling spreadsheet. See link below to download.'.
755: '";</script>');
756: $r->rflush();
757: return;
758: }
759:
760: sub write_excel_row {
761: my ($worksheet,$row,$col,$response,$student,$prob,$partid,$respid,
762: $format,$resptype) = @_;
763: #
764: my $submission =$response->[&Apache::loncoursedata::RDs_submission()];
765: $submission = &excel_format_response($submission,$resptype);
766: $worksheet->write($row,$col++,$submission);
767: if ($ENV{'form.correctans'} eq 'true') {
768: my $correct = &Apache::lonstathelpers::get_student_answer
769: ($prob,$student->{'username'},$student->{'domain'},
770: $partid,$respid);
771: $correct =&excel_format_response($correct,$resptype);
772: $worksheet->write($row,$col++,$correct);
773: }
774: if ($ENV{'form.prob_status'} eq 'true') {
775: $worksheet->write
776: ($row,$col++,
777: $response->[&Apache::loncoursedata::RDs_awarddetail()]);
778: $worksheet->write
779: ($row,$col++,$response->[&Apache::loncoursedata::RDs_tries()]);
780: $worksheet->write
781: ($row,$col++,
782: &Apache::lonstathelpers::calc_serial
783: ($response->[&Apache::loncoursedata::RDs_timestamp()]),
784: $format->{'date'});
785: $worksheet->write
786: ($row,$col++,$response->[&Apache::loncoursedata::RDs_awarded()]);
787: }
788: return $col;
789: }
790:
791: sub excel_format_response {
792: my ($answer,$responsetype) = @_;
793: if ($responsetype eq 'radiobutton') {
794: $answer =~ s/=([^=])$//;
795: } elsif ($responsetype =~ /^(option|match)$/) {
796: $answer = join("\n",
797: map {
798: &Apache::lonnet::unescape($_) ;
799: } sort split('&',$answer)
800: );
801: } elsif ($responsetype eq 'string') {
802: $answer =~ s/\\(n|r)/\n/g;
803: $answer =~ s/(\s*$|^\s*)//g;
804: $answer =~ s/\\\'/\'/g;
805: }
806: if ($answer =~ m/^=/) {
807: $answer = ' '.$answer;
808: }
809: return $answer;
810: }
811:
812: #########################################################
813: #########################################################
814: ##
815: ## CSV output of student answers
816: ##
817: #########################################################
818: #########################################################
819: sub prepare_csv_output {
820: my ($r,$problems,$students) = @_;
821: my $c = $r->connection();
822: #
823: $r->print('<h2>'.
824: &mt('Generating CSV report of student responses').'</h2>');
825: #
826: # Progress window
827: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
828: ($r,'CSV File Compilation Status',
829: 'CSV File Compilation Progress',
830: scalar(@$students),'inline',undef,'Statistics','stats_status');
831:
832: $r->rflush();
833: #
834: # Open a file
835: my $outputfile;
836: my $filename = '/prtspool/'.
837: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
838: time.'_'.rand(1000000000).'.csv';
839: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
840: $r->log_error("Couldn't open $filename for output $!");
841: $r->print("Problems occured in writing the csv file. ".
842: "This error has been logged. ".
843: "Please alert your LON-CAPA administrator.");
844: $outputfile = undef;
845: }
846: #
847: # Compute the number of columns per response
848: my @extra_resp_headers;
849: if ($ENV{'form.correctans'} eq 'true') {
850: push(@extra_resp_headers,'Correct');
851: }
852: if ($ENV{'form.prob_status'} eq 'true') {
853: push(@extra_resp_headers,'Award Detail');
854: push(@extra_resp_headers,'Time');
855: push(@extra_resp_headers,'Attempt');
856: push(@extra_resp_headers,'Awarded');
857: }
858: my $response_multiplier = scalar(@extra_resp_headers);
859: #
860: # Create the table header
861: my @student_columns = ('username','domain','id');
862: #
863: my %headers;
864: push(@{$headers{'student'}},@student_columns);
865: # Pad for the student data
866: foreach my $row ('problem','part','response') {
867: foreach (@student_columns) {
868: push(@{$headers{$row}},'');
869: }
870: }
871: #
872: # we put the headers into the %headers hash
873: my $prob_start_idx = 0;
874: foreach my $prob (@$problems) {
875: $headers{'problem'}->[$prob_start_idx] = $prob->compTitle;
876: my $part_start_idx = $prob_start_idx;
877: foreach my $partid (@{$prob->parts}) {
878: $headers{'part'}->[$part_start_idx] = $prob->part_display($partid);
879: my $responses = [$prob->responseIds($partid)];
880: for (my $i=0;$i<scalar(@$responses);$i++) {
881: my $resp_idx = $prob_start_idx + $response_multiplier * $i;
882: $headers{'response'}->[$resp_idx]=
883: &mt('Response [_1]',$responses->[$i]);
884: for (my $j=0;$j<=$#extra_resp_headers;$j++) {
885: $headers{'student'}->[$resp_idx+$j]=$extra_resp_headers[$j];
886: }
887: }
888: $part_start_idx += scalar(@$responses)*$response_multiplier;
889: }
890: $prob_start_idx += $prob->countResponses * $response_multiplier;
891: }
892: foreach my $row ('problem','part','response','student') {
893: print $outputfile '"'.join('","',map { ''; } @student_columns).'","'.
894: join('","',
895: map {
896: &Apache::loncommon::csv_translate($_);
897: } @{$headers{$row}}).'"'.$/;
898: }
899: #
900: # Main loop
901: foreach my $student (@$students) {
902: last if ($c->aborted());
903: my @rows;
904: my $prob_start_idx = 0;
905: foreach my $prob (@$problems) {
906: my $part_start_idx = 0;
907: foreach my $partid (@{$prob->parts}) {
908: my @responses = $prob->responseIds($partid);
909: my @response_type = $prob->responseType($partid);
910: for (my $i=0;$i<=$#responses;$i++) {
911: my $resp_start_idx = $response_multiplier * $i;
912: my $respid = $responses[$i];
913: my $results =
914: &Apache::loncoursedata::get_response_data_by_student
915: ($student,$prob->symb(),$respid);
916: if (! defined($results)) {
917: $results = [];
918: }
919: for (my $j=0; $j<scalar(@$results);$j++) {
920: if ($ENV{'form.all_sub'} ne 'true') {
921: next if ($j != 0);
922: }
923: my $idx = scalar(@$results) - $j - 1;
924: my $response = $results->[$idx];
925: my @data = &compile_response_data($response,$student,
926: $prob,$partid,
927: $respid);
928: for (my $k=0;$k<=$#data;$k++) {
929: $rows[$j]->[$prob_start_idx + $part_start_idx +
930: $resp_start_idx + $k] = $data[$k];
931: }
932: }
933: }
934: $part_start_idx += scalar(@responses)*$response_multiplier;
935: }
936: $prob_start_idx += $prob->countResponses * $response_multiplier;
937: }
938: foreach my $row (@rows) {
939: print $outputfile '"'.join('","',
940: map { $student->{$_}; }
941: @student_columns).'"';
942:
943: for (my $i=0;$i<$prob_start_idx;$i++) {
944: my $value = &Apache::loncommon::csv_translate($row->[$i]);
945: $value ||='';
946: print $outputfile ',"'.$value.'"';
947: }
948: print $outputfile $/;
949: }
950: undef(@rows);
951: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
952: 'last student');
953: }
954: close($outputfile);
955: #
956: # Close the progress window
957: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
958: #
959: # Tell the user where to get their csv file
960: $r->print('<br />'.
961: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
962: $r->rflush();
963: return;
964: }
965:
966: sub compile_response_data {
967: my ($response,$student,$prob,$partid,$respid) = @_;
968: my @rowdata;
969: push(@rowdata,&Apache::lonnet::unescape($response->[&Apache::loncoursedata::RDs_submission()]));
970: if ($ENV{'form.correctans'} eq 'true') {
971: my $correct = &Apache::lonstathelpers::get_student_answer
972: ($prob,$student->{'username'},$student->{'domain'},
973: $partid,$respid);
974: push(@rowdata,$correct);
975: }
976: if ($ENV{'form.prob_status'}) {
977: push(@rowdata,$response->[&Apache::loncoursedata::RDs_awarddetail()]);
978: push(@rowdata,&Apache::lonlocal::locallocaltime
979: ($response->[&Apache::loncoursedata::RDs_timestamp()]));
980: push(@rowdata,$response->[&Apache::loncoursedata::RDs_tries()]);
981: push(@rowdata,$response->[&Apache::loncoursedata::RDs_awarded()]);
982: }
983: return @rowdata;
984: }
985:
986: #########################################################
987: #########################################################
988: ##
989: ## Generic Interface Routines
990: ##
991: #########################################################
992: #########################################################
993: sub CreateInterface {
994: ##
995: ## Output Selection
996: my $output_selector = $/.'<select name="output">'.$/;
997: foreach ('HTML','Excel','CSV') {
998: $output_selector .= ' <option value="'.lc($_).'"';
999: if ($ENV{'form.output'} eq lc($_)) {
1000: $output_selector .= ' selected ';
1001: }
1002: $output_selector .='>'.&mt($_).'</option>'.$/;
1003: }
1004: $output_selector .= '</select>'.$/;
1005: ##
1006: ## Environment variable initialization
1007: my $Str = '';
1008: $Str .= &Apache::lonhtmlcommon::breadcrumbs
1009: (undef,'Student Submission Reports');
1010: $Str .= '<p>';
1011: $Str .= '<table cellspacing="5">'."\n";
1012: $Str .= '<tr>';
1013: $Str .= '<th>'.&mt('Sections').'</th>';
1014: $Str .= '<th>'.&mt('Enrollment Status').'</th>';
1015: $Str .= '<th>'.&mt('Output as [_1]',$output_selector).'</th>';
1016: $Str .= '</tr>'."\n";
1017: #
1018: $Str .= '<tr><td align="center">'."\n";
1019: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1020: $Str .= '</td>';
1021: #
1022: $Str .= '<td align="center">';
1023: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1024: $Str .= '</td>';
1025: #
1026: # Render problem checkbox
1027: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1028: if (exists($ENV{'form.renderprob'}) && $ENV{'form.renderprob'} eq 'true') {
1029: $prob_checkbox .= 'checked ';
1030: }
1031: $prob_checkbox .= 'value="true" />';
1032: #
1033: # Compute correct answers checkbox
1034: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1035: if (exists($ENV{'form.correctans'}) && $ENV{'form.correctans'} eq 'true') {
1036: $ans_checkbox .= 'checked ';
1037: }
1038: $ans_checkbox .= 'value="true" />';
1039: #
1040: # Show all submissions checkbox
1041: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1042: if (exists($ENV{'form.all_sub'}) &&
1043: $ENV{'form.all_sub'} eq 'true') {
1044: $all_sub_checkbox .= 'checked ';
1045: }
1046: $all_sub_checkbox.= 'value="true" />';
1047: #
1048: # problem status checkbox
1049: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1050: if (exists($ENV{'form.prob_status'}) &&
1051: $ENV{'form.prob_status'} eq 'true') {
1052: $prob_status_checkbox .= 'checked ';
1053: }
1054: $prob_status_checkbox .= 'value="true" />';
1055: #
1056: $Str .= '<td align="right" halign="top">'.
1057: '<label><b>'.
1058: &mt('Show problem [_1]',$prob_checkbox).'</b></label><br />'.
1059: '<label><b>'.
1060: &mt('Show correct answers [_1]',$ans_checkbox).'</b></label><br />'.
1061: '<label><b>'.
1062: &mt('Show all submissions [_1]',$all_sub_checkbox).
1063: '</b></label><br />'.
1064: '<label><b>'.
1065: &mt('Show problem grading [_1]',$prob_status_checkbox).
1066: '</b></label><br />'.
1067: '</td>';
1068: #
1069: $Str .= '</tr>'."\n";
1070: $Str .= '</table>'."\n";
1071: #
1072: $Str .= '<nobr>'.&mt('Status: [_1]',
1073: '<input type="text" '.
1074: 'name="stats_status" size="60" value="" />').
1075: '</nobr>'.'</p>';
1076: ##
1077: return $Str;
1078: }
1079:
1080: 1;
1081:
1082: __END__
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