1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.39 2005/03/17 18:50:06 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: $r->print('<h4>'.
114: &Apache::lonstatistics::section_and_enrollment_description().
115: '</h4>');
116: if (! scalar(@Problems) || ! defined($Problems[0])) {
117: $r->print('resource is undefined');
118: } else {
119: if (scalar(@Problems) == 1) {
120: my $resource = $Problems[0];
121: $r->print('<h1>'.$resource->title.'</h1>');
122: $r->print('<h3>'.$resource->src.'</h3>');
123: if ($ENV{'form.renderprob'} eq 'true') {
124: $r->print(&Apache::lonstathelpers::render_resource($resource));
125: $r->rflush();
126: }
127: }
128: if ($ENV{'form.output'} eq 'excel') {
129: &prepare_excel_output($r,\@Problems,\@Students);
130: } elsif ($ENV{'form.output'} eq 'csv') {
131: &prepare_csv_output($r,\@Problems,\@Students);
132: } else {
133: &prepare_html_output($r,\@Problems,\@Students);
134: }
135: }
136: $r->print('<hr />');
137: } else {
138: $r->print('<input type="submit" name="Generate" value="'.
139: &mt('Prepare Report').'" />');
140: $r->print(' 'x5);
141: $r->print('<p>'.
142: &mt('Computing correct answers greatly increasese the amount of time required to prepare a report.').
143: '</p>');
144: $r->print('<p>'.
145: &mt('please select problems and use the <b>Prepare Report</b> button to continue.').
146: '</p>');
147: $r->print(&Apache::lonstathelpers::MultipleProblemSelector
148: (undef,'problemchoice','Statistics'));
149: }
150: }
151:
152: ##
153: ## get_extra_response_headers
154: ##
155: sub get_extra_response_headers {
156: my @extra_resp_headers;
157: if ($ENV{'form.correctans'} eq 'true') {
158: push(@extra_resp_headers,'Correct');
159: }
160: if ($ENV{'form.prob_status'} eq 'true') {
161: push(@extra_resp_headers,'Award Detail');
162: push(@extra_resp_headers,'Time');
163: push(@extra_resp_headers,'Attempt');
164: push(@extra_resp_headers,'Awarded');
165: }
166: return @extra_resp_headers;
167: }
168:
169: ##
170: ## get_headers:
171: ## return the proper headers for the given response
172: sub get_headers {
173: my ($prob,$partid,$respid,$resptype,$analysis,$output,$purpose,
174: @basic_headers) = @_;
175: my @headers;
176: if ($resptype eq 'essay' && $purpose eq 'display' &&
177: ($output eq 'html')) {# || scalar(@{$prob->parts})!=1)) {
178: @headers = ();
179: } elsif ($resptype =~ /^(option|match|rank)$/) {
180: my $prefix = '_';
181: if ($purpose eq 'display') {
182: $prefix = '';
183: }
184: my @foils =
185: map {
186: $prefix.$_;
187: } sort(keys(%{$analysis->{$partid.'.'.$respid}->{'_Foils'}}));
188: if (scalar(@basic_headers) && $basic_headers[0] eq 'Correct') {
189: @foils = map { ($_ , $_.' Correct') } @foils;
190: shift(@basic_headers); # Get rid of 'Correct'
191: }
192: @headers = (@foils,@basic_headers);
193: } else {
194: @headers = ('Submission',@basic_headers);
195: }
196: return @headers;
197: }
198:
199: #########################################################
200: #########################################################
201: ##
202: ## HTML Output Routines
203: ##
204: #########################################################
205: #########################################################
206: sub prepare_html_output {
207: my ($r,$problems,$students) = @_;
208: my $c = $r->connection();
209: #
210: # Set a flag for the case when there is just one problem
211: my $single_response = 0;
212: if (scalar(@$problems) == 1 &&
213: $problems->[0]->countResponses == 1) {
214: $single_response = 1;
215: }
216: #
217: # Compute the number of columns per response
218: my @extra_resp_headers = &get_extra_response_headers();
219: #
220: # Create the table header
221: my @student_columns = ('username','domain','id','section');
222: #
223: my %headers;
224: my $student_column_count = scalar(@student_columns);
225: $headers{'problem'} = qq{<th colspan="$student_column_count">\ </th>};
226: foreach (@student_columns) {
227: $headers{'student'}.= '<th>'.ucfirst($_).'</th>';
228: }
229: #
230: # we put the headers into the %headers hash
231: my $total_col = scalar(@student_columns);
232: my $nonempty_part_headers = 0;
233: #
234: my %problem_analysis;
235: foreach my $prob (@$problems) {
236: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
237: $problem_analysis{$prob->src}=\%analysis;
238: #
239: my $prob_span = 0;
240: my $single_part = 0;
241: if (scalar(@{$prob->parts}) == 1) {
242: $single_part = 1;
243: }
244: foreach my $partid (@{$prob->parts}) {
245: my $part_span = 0;
246: my $responses = [$prob->responseIds($partid)];
247: my $resptypes = [$prob->responseType($partid)];
248: for (my $i=0;$i<scalar(@$responses);$i++) {
249: my $respid = $responses->[$i];
250: my @headers = &get_headers($prob,$partid,$respid,
251: $resptypes->[$i],
252: $problem_analysis{$prob->src},
253: 'html','display',
254: @extra_resp_headers);
255: if (scalar(@headers)>0) {
256: $total_col += scalar(@headers);
257: $part_span += scalar(@headers);
258: $headers{'response'} .=
259: '<th colspan="'.scalar(@headers).'">'.
260: &mt('Response [_1]',$responses->[$i]).'</th>';
261: $headers{'student'}.= '<th>'.join('</th><th><nobr>',
262: @headers).
263: '</nobr></th>';
264: }
265: }
266: if (! $single_part) {
267: my $tmpname = $partid;
268: if ($partid =~/^\d+$/) {
269: $tmpname = $prob->part_display($partid);
270: }
271: if ($tmpname !~ /^part/) {
272: $tmpname = 'Part '.$tmpname;
273: }
274: $headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
275: $nonempty_part_headers = 1;
276: } else {
277: $headers{'part'} .= qq{<th colspan="$part_span"> </th>};
278: }
279: $prob_span += $part_span;
280: }
281: my $title = $prob->compTitle;
282: if ($prob_span > 0) {
283: $headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
284: } elsif ($single_response) {
285: $prob_span = scalar(@student_columns);
286: $headers{'problem'} = qq{<th colspan="$prob_span">$title</th>};
287: }
288: }
289: if (exists($headers{'part'})) {
290: $headers{'part'} = qq{<th colspan="$student_column_count">\ </th>}.
291: $headers{'part'};
292: }
293: if (exists($headers{'response'})) {
294: $headers{'response'}=
295: qq{<th colspan="$student_column_count">\ </th>}.
296: $headers{'response'};
297: }
298: my $full_header = $/.'<table>'.$/;
299: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
300: if ($nonempty_part_headers) {
301: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
302: }
303: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
304: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
305: #
306: # Main loop
307: my $count;
308: $r->print($/.$full_header.$/);
309: my $row_class = 'odd'; # css
310: foreach my $student (@$students) {
311: my $student_row_data;
312: if ($count++ >= 30) {
313: $r->print('</table>'.$/.$full_header.$/);
314: $count = 0;
315: }
316: last if ($c->aborted());
317: foreach my $field (@student_columns) {
318: $student_row_data .=
319: '<td valign="top">'.$student->{$field}.'</td>';
320: }
321: #
322: # Figure out what it is we need to output for this student
323: my @essays;
324: my %prob_data;
325: my $maxrow;
326: foreach my $prob (@$problems) {
327: $prob_data{$prob->symb}={};
328: foreach my $partid (@{$prob->parts}) {
329: my @responses = $prob->responseIds($partid);
330: my @response_type = $prob->responseType($partid);
331: for (my $i=0;$i<=$#responses;$i++) {
332: my $respid = $responses[$i];
333: my $results =
334: &Apache::loncoursedata::get_response_data_by_student
335: ($student,$prob->symb(),$respid);
336: my $resptype = $response_type[$i];
337: my @headers = &get_headers($prob,$partid,$respid,
338: $resptype,
339: $problem_analysis{$prob->src},
340: 'html','normal',
341: @extra_resp_headers);
342: my $width = scalar(@headers);
343: my $resp_data;
344: $resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
345: if (! defined($results)) {
346: $results = [];
347: }
348: #
349: if (scalar(@$results) > $maxrow && $resptype ne 'essay') {
350: $maxrow = scalar(@$results);
351: }
352: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
353: if ($ENV{'form.all_sub'} ne 'true') {
354: next if ($j ne scalar(@$results)-1);
355: }
356: my $response = &hashify_response($results->[$j],
357: $prob,
358: $student,
359: $partid,
360: $respid);
361: if ($resptype eq 'essay') {
362: push(@essays,
363: &html_essay_results(\@headers,
364: $prob,$partid,$respid,
365: $response,
366: $single_response).
367: '</td>');
368: } else {
369: push(@{$resp_data->{'real'}},
370: &html_non_essay_results(\@headers,
371: $prob,$partid,$respid,
372: $response,$resptype));
373: }
374: }
375: $prob_data{$prob->symb}->{$partid}->{$respid}=$resp_data;
376: } # end of $i loop
377: } # end of partid loop
378: } # end of prob loop
379: #
380: # if there is no data, skip this student.
381: next if (! $maxrow && ! scalar(@essays));
382: #
383: # Go through the problem data and output a row.
384: if ($row_class eq 'even') {
385: $row_class = 'odd';
386: } else {
387: $row_class = 'even';
388: }
389: my $printed_something;
390: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
391: my $html;
392: my $no_data = 1;
393: foreach my $prob (@$problems) {
394: foreach my $partid (@{$prob->parts}) {
395: my @responses = $prob->responseIds($partid);
396: my @response_type = $prob->responseType($partid);
397: for (my $i=0;$i<=$#responses;$i++) {
398: my $respid = $responses[$i];
399: my $resp_data =
400: $prob_data{$prob->symb}->{$partid}->{$respid};
401: next if ($response_type[$i] eq 'essay');
402: if (defined($resp_data->{'real'}->[$rows_output])) {
403: $html .= $resp_data->{'real'}->[$rows_output];
404: $no_data = 0;
405: } else {
406: $html .= $resp_data->{'fake'};
407: }
408: }
409: }
410: }
411: if (! $no_data) {
412: $r->print(qq{<tr class="$row_class">$student_row_data$html</tr>}.$/);
413: $printed_something=1;
414: }
415: }
416: if (@essays) {
417: my $tr = qq{<tr class="$row_class">};
418: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
419: if (! $printed_something) {
420: $r->print($tr.$student_row_data.'</tr>'.$/);
421: }
422: $r->print($tr.$td.
423: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
424: undef(@essays);
425: }
426: } # end of student loop
427: return;
428: }
429:
430: sub hashify_response {
431: my ($response,$prob,$student,$partid,$respid) =@_;
432: my $resp_hash = {};
433: if ($ENV{'form.correctans'} eq 'true') {
434: $resp_hash->{'Correct'} =
435: &Apache::lonstathelpers::get_student_answer
436: ($prob,$student->{'username'},$student->{'domain'},
437: $partid,$respid);
438: }
439: $resp_hash->{'Submission'} =
440: $response->[&Apache::loncoursedata::RDs_submission()];
441: $resp_hash->{'Award Detail'} =
442: $response->[&Apache::loncoursedata::RDs_awarddetail()];
443: $resp_hash->{'Time'} =
444: $response->[&Apache::loncoursedata::RDs_timestamp()];
445: $resp_hash->{'Attempt'} =
446: $response->[&Apache::loncoursedata::RDs_tries()];
447: $resp_hash->{'Awarded'} =
448: $response->[&Apache::loncoursedata::RDs_awarded()];
449: return $resp_hash;
450: }
451:
452: #####################################################
453: ##
454: ## HTML helper routines
455: ##
456: #####################################################
457: sub html_essay_results {
458: my ($headers,$prob,$partid,$respid,$response,$single_response)=@_;
459: if (! ref($headers) || ref($headers) ne 'ARRAY') {
460: return '';
461: }
462: # Start of telling them what problem, part, and response
463: my $Str;
464: if (! $single_response) {
465: my $id = $prob->compTitle;
466: if (defined($partid) && $partid ne '0') {
467: $id .= ' '.$prob->part_display($partid);
468: }
469: if (defined($respid)) {
470: $id .= ' '.$respid;
471: }
472: $Str .= '<nobr>'.$id.'</nobr>'.(' 'x4);
473: }
474: #
475: shift(@$headers); # Get rid of the Submission header
476: my $correct = '';
477: if ($headers->[0] eq 'Correct') {
478: $correct = &html_format_essay_sub($response->{'Correct'});
479: shift(@$headers);
480: }
481: $Str .= '<nobr>'.
482: join('',
483: map {
484: (' 'x4).&mt($_.': [_1]',$response->{$_});
485: } @$headers).'</nobr>';
486: if (@$headers || ! $single_response) {
487: $Str .= '<br />';
488: }
489: $Str .= &html_format_essay_sub($response->{'Submission'});
490: #
491: if (defined($correct) && $correct !~ /^\s*$/) {
492: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
493: }
494: return $Str;
495: }
496:
497: sub html_format_essay_sub {
498: my ($submission) = @_;
499: return '' if (! defined($submission) || $submission eq '');
500: $submission = &HTML::Entities::decode($submission);
501: $submission =~ s/\\\"/\"/g;
502: $submission =~ s/\\\'/\'/g;
503: $submission =~ s|\\r\\n|$/|g;
504: $submission = &HTML::Entities::encode($submission,'<>&"');
505: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
506: $submission =~ s|\\||g;
507: $submission = '<p>'.$submission.'</p>';
508: return $submission;
509: }
510:
511: sub html_non_essay_results {
512: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
513: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
514: return '';
515: }
516: #
517: my $submission = &HTML::Entities::decode($response->{'Submission'});
518: return '' if (! defined($submission) || $submission eq '');
519: $submission =~ s/\\\"/\"/g;
520: $submission =~ s/\\\'/\'/g;
521: if ($resptype eq 'radiobutton') {
522: $submission = &HTML::Entities::encode($submission,'<>&"');
523: $submission =~ s/=([^=])$//;
524: $submission = '<nobr>'.$submission.'</nobr>';
525: }
526: $response->{'Submission'} = $submission;
527: #
528: my @values;
529: if ($resptype =~ /^(option|match|rank)$/) {
530: my %submission =
531: map {
532: my ($foil,$value) = split('=',&Apache::lonnet::unescape($_));
533: ($foil,$value);
534: } split('&',$response->{'Submission'});
535: my %correct;
536: if (exists($response->{'Correct'})) {
537: %correct =
538: map {
539: my ($foil,$value)=split('=',&Apache::lonnet::unescape($_));
540: ($foil,$value);
541: } split('&',$response->{'Correct'});
542: }
543: #
544: foreach my $original_header (@$headers) {
545: if ($original_header =~ /^_/) {
546: # '_' denotes a foil column
547: my ($header) = ($original_header =~ m/^_(.*)$/);
548: my $option = '';
549: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
550: if (exists($correct{$foil})) {
551: $option = $correct{$foil};
552: }
553: } elsif (exists($submission{$header})) {
554: $option = $submission{$header};
555: }
556: push(@values,&HTML::Entities::encode($option));
557: } elsif ($original_header eq 'Time') {
558: push(@values,&Apache::lonlocal::locallocaltime($response->{$original_header}));
559: } else {
560: # A normal column
561: push(@values,$response->{$original_header});
562: }
563: }
564: } else {
565: @values = map { $response->{$_}; } @$headers;
566: }
567: my $td = '<td valign="top">';
568: my $str = $td.join('</td>'.$td,@values).'</td>';
569: return $str;
570: }
571:
572:
573: #########################################################
574: #########################################################
575: ##
576: ## Excel Output Routines
577: ##
578: #########################################################
579: #########################################################
580: sub prepare_excel_output {
581: my ($r,$Problems,$Students) = @_;
582: my $c = $r->connection();
583: #
584: #
585: # Determine the number of columns in the spreadsheet
586: my $columncount = 3; # username, domain, id
587: my @extra_resp_headers = &get_extra_response_headers();
588: my $lastprob;
589: my %problem_analysis;
590: foreach my $prob (@$Problems) {
591: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
592: $problem_analysis{$prob->src}=\%analysis;
593: foreach my $partid (@{$prob->parts}) {
594: my $responses = [$prob->responseIds($partid)];
595: my $resptypes = [$prob->responseType($partid)];
596: for (my $i=0;$i<scalar(@$responses);$i++) {
597: my @headers = &get_headers($prob,$partid,$responses->[$i],
598: $resptypes->[$i],
599: $problem_analysis{$prob->src},
600: 'excel','display',
601: @extra_resp_headers);
602: $columncount += scalar(@headers);
603: }
604: }
605: last if ($columncount > 255);
606: $lastprob = $prob;
607: }
608: if ($columncount > 255) {
609: $r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
610: '<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>'.$/.
611: '<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/.
612: '<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
613: $r->rflush();
614: return;
615: }
616: #
617: # Print out a message telling them what we are doing
618: if (scalar(@$Problems) > 1) {
619: $r->print('<h2>'.
620: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
621: scalar(@$Problems)).
622: '</h2>');
623: } else {
624: $r->print('<h2>'.
625: &mt('Preparing Excel spreadsheet of student responses').
626: '</h2>');
627: }
628: $r->rflush();
629: #
630: # Create the excel spreadsheet
631: my ($workbook,$filename,$format) =
632: &Apache::loncommon::create_workbook($r);
633: return if (! defined($workbook));
634: my $worksheet = $workbook->addworksheet('Student Submission Data');
635: #
636: # Add headers to the worksheet
637: my $rows_output = 0;
638: $worksheet->write($rows_output++,0,
639: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
640: $format->{'h1'});
641: $rows_output++;
642: my $cols_output = 0;
643: my $title_row = $rows_output++;
644: my $partid_row = $rows_output++;
645: my $respid_row = $rows_output++;
646: my $header_row = $rows_output++;
647: $worksheet->write($title_row ,0,'Problem Title',$format->{'bold'});
648: $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
649: $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
650: # Student headers
651: my @StudentColumns = ('username','domain','id','section');
652: foreach (@StudentColumns) {
653: $worksheet->write($header_row,$cols_output++,ucfirst($_),
654: $format->{'bold'});
655: }
656: # Problem headers
657: my %start_col;
658: foreach my $prob (@$Problems) {
659: my $title = $prob->compTitle;
660: $worksheet->write($title_row,$cols_output,
661: $title,$format->{'h3'});
662: foreach my $partid (@{$prob->parts}) {
663: $worksheet->write($partid_row,$cols_output,
664: $prob->part_display($partid));
665: my $responses = [$prob->responseIds($partid)];
666: my $resptypes = [$prob->responseType($partid)];
667: for (my $i=0;$i<scalar(@$responses);$i++) {
668: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
669: $cols_output;
670: $worksheet->write($respid_row,$cols_output,
671: $resptypes->[$i].', '.$responses->[$i]);
672: my @headers = &get_headers($prob,$partid,$responses->[$i],
673: $resptypes->[$i],
674: $problem_analysis{$prob->src},
675: 'excel','display',
676: @extra_resp_headers);
677: foreach my $text (@headers) {
678: if ($text eq 'Time') {
679: $worksheet->set_column($cols_output,$cols_output,undef,
680: $format->{'date'});
681: }
682: $worksheet->write($header_row,$cols_output++,$text);
683: }
684: }
685: }
686: }
687: #
688: # Populate the worksheet with the student data
689: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
690: ($r,'Excel File Compilation Status',
691: 'Excel File Compilation Progress',
692: scalar(@$Students),'inline',undef,'Statistics','stats_status');
693: my $max_row = $rows_output;
694: foreach my $student (@$Students) {
695: last if ($c->aborted());
696: $cols_output = 0;
697: my $student_row = $max_row;
698: foreach my $field (@StudentColumns) {
699: $worksheet->write($student_row,$cols_output++,
700: $student->{$field});
701: }
702: my $last_student_col = $cols_output-1;
703: foreach my $prob (@$Problems) {
704: foreach my $partid (@{$prob->parts}) {
705: my @Response = $prob->responseIds($partid);
706: my @ResponseType = $prob->responseType($partid);
707: for (my $i=0;$i<=$#Response;$i++) {
708: my $respid = $Response[$i];
709: my $resptype = $ResponseType[$i];
710: my $results =
711: &Apache::loncoursedata::get_response_data_by_student
712: ($student,$prob->symb(),$respid);
713: my @headers = &get_headers($prob,$partid,$respid,
714: $resptype,
715: $problem_analysis{$prob->src},
716: 'excel','normal',
717: @extra_resp_headers);
718:
719: if (! defined($results)) {
720: $results = [];
721: }
722: #
723: $rows_output = $student_row;
724: #
725: my $response_start_col = $start_col{$prob->symb}->{$partid}->{$respid};
726: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
727: $cols_output = $response_start_col;
728: if ($ENV{'form.all_sub'} ne 'true') {
729: next if ($j ne scalar(@$results)-1);
730: }
731: my $response = &hashify_response($results->[$j],
732: $prob,
733: $student,
734: $partid,
735: $respid);
736: my @response_data =
737: &compile_response_data(\@headers,$response,
738: $prob,$partid,$respid,
739: $resptype,
740: \&excel_format_item);
741: $worksheet->write_row($rows_output++,$cols_output,
742: \@response_data);
743: $cols_output+=scalar(@response_data);
744: if ($rows_output > $max_row) {
745: $max_row = $rows_output;
746: }
747: }
748: }
749: }
750: }
751: # Fill in the remaining rows with the students data
752: for (my $row = $student_row+1;$row<$max_row;$row++) {
753: my $cols = 0;
754: foreach my $field (@StudentColumns) {
755: $worksheet->write($row,$cols++,
756: $student->{$field});
757: }
758: }
759: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
760: 'last student');
761: }
762: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
763: #
764: # Close the excel file
765: $workbook->close();
766: #
767: # Write a link to allow them to download it
768: $r->print('<p><a href="'.$filename.'">'.
769: &mt('Your Excel spreadsheet.').
770: '</a></p>'."\n");
771: $r->print('<script>'.
772: 'window.document.Statistics.stats_status.value="'.
773: 'Done compiling spreadsheet. See link below to download.'.
774: '";</script>');
775: $r->rflush();
776: return;
777: }
778:
779: sub compile_response_data {
780: my ($headers,$response,$prob,$partid,$respid,$resptype,$format) = @_;
781: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
782: return ();
783: }
784: if (ref($format) ne 'CODE') {
785: $format = sub { return $_[0]; };
786: }
787: #
788: my $submission =
789: &HTML::Entities::decode
790: (&Apache::lonnet::unescape($response->{'Submission'}));
791: return () if (! defined($submission) || $submission eq '');
792: $submission =~ s/\\\"/\"/g;
793: $submission =~ s/\\\'/\'/g;
794: if ($resptype eq 'radiobutton') {
795: $submission =~ s/=([^=])$//;
796: }
797: $response->{'Submission'} = $submission;
798: #
799: my @values;
800: if ($resptype =~ /^(option|match|rank)$/) {
801: my %submission =
802: map {
803: my ($foil,$value) = split('=',&Apache::lonnet::unescape($_));
804: ($foil,$value);
805: } split('&',$response->{'Submission'});
806: my %correct;
807: if (exists($response->{'Correct'})) {
808: %correct =
809: map {
810: my ($foil,$value)=split('=',&Apache::lonnet::unescape($_));
811: ($foil,$value);
812: } split('&',$response->{'Correct'});
813: }
814: #
815: foreach my $original_header (@$headers) {
816: if ($original_header =~ /^_/) {
817: # '_' denotes a foil column
818: my ($header) = ($original_header =~ m/^_(.*)$/);
819: my $option = '';
820: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
821: if (exists($correct{$foil})) {
822: $option = $correct{$foil};
823: }
824: } elsif (exists($submission{$header})) {
825: $option = $submission{$header};
826: }
827: push(@values,&{$format}($option,$header));
828: } else {
829: # A normal column
830: push(@values,&{$format}($response->{$original_header},
831: $original_header));
832: }
833: }
834: } else {
835: @values = map { &{$format}($response->{$_},$_); } @$headers;
836: }
837: return @values;
838: }
839:
840: sub excel_format_item {
841: my ($item,$type) = @_;
842: if ($type eq 'Time') {
843: $item = &Apache::lonstathelpers::calc_serial($item);
844: } else {
845: if ($item =~ m/^=/) {
846: $item = ' '.$item;
847: }
848: $item =~ s/\\r//g;
849: $item =~ s/\\n/\n/g;
850: $item =~ s/(\s*$|^\s*)//g;
851: $item =~ s/\\\'/\'/g;
852: }
853: return $item;
854: }
855:
856: #########################################################
857: #########################################################
858: ##
859: ## CSV output of student answers
860: ##
861: #########################################################
862: #########################################################
863: sub prepare_csv_output {
864: my ($r,$problems,$students) = @_;
865: my $c = $r->connection();
866: #
867: $r->print('<h2>'.
868: &mt('Generating CSV report of student responses').'</h2>');
869: #
870: # Progress window
871: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
872: ($r,'CSV File Compilation Status',
873: 'CSV File Compilation Progress',
874: scalar(@$students),'inline',undef,'Statistics','stats_status');
875:
876: $r->rflush();
877: #
878: # Open a file
879: my $outputfile;
880: my $filename = '/prtspool/'.
881: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
882: time.'_'.rand(1000000000).'.csv';
883: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
884: $r->log_error("Couldn't open $filename for output $!");
885: $r->print("Problems occured in writing the csv file. ".
886: "This error has been logged. ".
887: "Please alert your LON-CAPA administrator.");
888: $outputfile = undef;
889: }
890: #
891: # Compute the number of columns per response
892: my @extra_resp_headers = &get_extra_response_headers();
893: #
894: # Create the table header
895: my @student_columns = ('username','domain','id','section');
896: #
897: my %headers;
898: push(@{$headers{'student'}},@student_columns);
899: # Pad for the student data
900: foreach my $row ('problem','part','response') {
901: $headers{$row}=[map {''} @student_columns];
902: }
903: #
904: # we put the headers into the %headers hash
905: my %problem_analysis;
906: my %start_col;
907: my $max_column = scalar(@student_columns);
908: foreach my $prob (@$problems) {
909: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
910: $problem_analysis{$prob->src}=\%analysis;
911: $headers{'problem'}->[$max_column] = $prob->compTitle;
912: foreach my $partid (@{$prob->parts}) {
913: $headers{'part'}->[$max_column] = $prob->part_display($partid);
914: my $responses = [$prob->responseIds($partid)];
915: my $resptypes = [$prob->responseType($partid)];
916: for (my $i=0;$i<scalar(@$responses);$i++) {
917: my @headers = &get_headers($prob,$partid,$responses->[$i],
918: $resptypes->[$i],
919: $problem_analysis{$prob->src},
920: 'csv','display',
921: @extra_resp_headers);
922: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
923: $max_column;
924: $headers{'response'}->[$max_column]=
925: &mt('Response [_1]',$responses->[$i]);
926: for (my $j=0;$j<=$#headers;$j++) {
927: $headers{'student'}->[$max_column+$j]=$headers[$j];
928: }
929: $max_column += scalar(@headers);
930: }
931: }
932: }
933: foreach my $row ('problem','part','response','student') {
934: print $outputfile '"'.
935: join('","',
936: map {
937: &Apache::loncommon::csv_translate($_);
938: } @{$headers{$row}}).'"'.$/;
939: }
940: #
941: # Main loop
942: foreach my $student (@$students) {
943: last if ($c->aborted());
944: my @rows;
945: foreach my $prob (@$problems) {
946: foreach my $partid (@{$prob->parts}) {
947: my @responses = $prob->responseIds($partid);
948: my @response_type = $prob->responseType($partid);
949: for (my $i=0;$i<=$#responses;$i++) {
950: my $respid = $responses[$i];
951: my $resptype = $response_type[$i];
952: my @headers = &get_headers($prob,$partid,$respid,$resptype,
953: $problem_analysis{$prob->src},
954: 'csv','normal',
955: @extra_resp_headers);
956: my $results =
957: &Apache::loncoursedata::get_response_data_by_student
958: ($student,$prob->symb(),$respid);
959: if (! defined($results)) {
960: $results = [];
961: }
962: for (my $j=0; $j<scalar(@$results);$j++) {
963: if ($ENV{'form.all_sub'} ne 'true') {
964: next if ($j != 0);
965: }
966: my $idx = scalar(@$results) - $j - 1;
967: my $response = &hashify_response($results->[$idx],
968: $prob,$student,
969: $partid,$respid);
970: my @data = &compile_response_data(\@headers,$response,
971: $prob,$partid,
972: $respid,$resptype,
973: \&csv_format_item);
974: my $resp_start_idx =
975: $start_col{$prob->symb}->{$partid}->{$respid};
976: for (my $k=0;$k<=$#data;$k++) {
977: $rows[$j]->[$resp_start_idx + $k] = $data[$k];
978: }
979: }
980: }
981: }
982: }
983: foreach my $row (@rows) {
984: print $outputfile '"'.join('","',
985: map { $student->{$_}; }
986: @student_columns).'"';
987: for (my $i=scalar(@student_columns);$i<$max_column;$i++) {
988: my $value = &Apache::loncommon::csv_translate($row->[$i]);
989: $value ||='';
990: print $outputfile ',"'.$value.'"';
991: }
992: print $outputfile $/;
993: }
994: undef(@rows);
995: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
996: 'last student');
997: }
998: close($outputfile);
999: #
1000: # Close the progress window
1001: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1002: #
1003: # Tell the user where to get their csv file
1004: $r->print('<br />'.
1005: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1006: $r->rflush();
1007: return;
1008: }
1009:
1010: sub csv_format_item {
1011: my ($item,$type) = @_;
1012: if ($type eq 'Time') {
1013: $item = localtime($item);
1014: }
1015: $item =&Apache::loncommon::csv_translate($item);
1016: return $item;
1017: }
1018:
1019: #########################################################
1020: #########################################################
1021: ##
1022: ## Generic Interface Routines
1023: ##
1024: #########################################################
1025: #########################################################
1026: sub CreateInterface {
1027: ##
1028: ## Output Selection
1029: my $output_selector = $/.'<select name="output">'.$/;
1030: foreach ('HTML','Excel','CSV') {
1031: $output_selector .= ' <option value="'.lc($_).'"';
1032: if ($ENV{'form.output'} eq lc($_)) {
1033: $output_selector .= ' selected ';
1034: }
1035: $output_selector .='>'.&mt($_).'</option>'.$/;
1036: }
1037: $output_selector .= '</select>'.$/;
1038: ##
1039: ## Environment variable initialization
1040: my $Str = '';
1041: $Str .= &Apache::lonhtmlcommon::breadcrumbs
1042: (undef,'Student Submission Reports');
1043: $Str .= '<p>';
1044: $Str .= '<table cellspacing="5">'."\n";
1045: $Str .= '<tr>';
1046: $Str .= '<th>'.&mt('Sections').'</th>';
1047: $Str .= '<th>'.&mt('Enrollment Status').'</th>';
1048: $Str .= '<th>'.&mt('Output as [_1]',$output_selector).'</th>';
1049: $Str .= '</tr>'."\n";
1050: #
1051: $Str .= '<tr><td align="center">'."\n";
1052: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1053: $Str .= '</td>';
1054: #
1055: $Str .= '<td align="center">';
1056: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1057: $Str .= '</td>';
1058: #
1059: # Render problem checkbox
1060: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1061: if (exists($ENV{'form.renderprob'}) && $ENV{'form.renderprob'} eq 'true') {
1062: $prob_checkbox .= 'checked ';
1063: }
1064: $prob_checkbox .= 'value="true" />';
1065: #
1066: # Compute correct answers checkbox
1067: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1068: if (exists($ENV{'form.correctans'}) && $ENV{'form.correctans'} eq 'true') {
1069: $ans_checkbox .= 'checked ';
1070: }
1071: $ans_checkbox .= 'value="true" />';
1072: #
1073: # Show all submissions checkbox
1074: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1075: if (exists($ENV{'form.all_sub'}) &&
1076: $ENV{'form.all_sub'} eq 'true') {
1077: $all_sub_checkbox .= 'checked ';
1078: }
1079: $all_sub_checkbox.= 'value="true" />';
1080: #
1081: # problem status checkbox
1082: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1083: if (exists($ENV{'form.prob_status'}) &&
1084: $ENV{'form.prob_status'} eq 'true') {
1085: $prob_status_checkbox .= 'checked ';
1086: }
1087: $prob_status_checkbox .= 'value="true" />';
1088: #
1089: $Str .= '<td align="right" valign="top">'.
1090: '<label><b>'.
1091: &mt('Show problem [_1]',$prob_checkbox).'</b></label><br />'.
1092: '<label><b>'.
1093: &mt('Show correct answers [_1]',$ans_checkbox).'</b></label><br />'.
1094: '<label><b>'.
1095: &mt('Show all submissions [_1]',$all_sub_checkbox).
1096: '</b></label><br />'.
1097: '<label><b>'.
1098: &mt('Show problem grading [_1]',$prob_status_checkbox).
1099: '</b></label><br />'.
1100: '</td>';
1101: #
1102: $Str .= '</tr>'."\n";
1103: $Str .= '</table>'."\n";
1104: #
1105: $Str .= '<nobr>'.&mt('Status: [_1]',
1106: '<input type="text" '.
1107: 'name="stats_status" size="60" value="" />').
1108: '</nobr>'.'</p>';
1109: ##
1110: return $Str;
1111: }
1112:
1113: 1;
1114:
1115: __END__
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