1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.21 2004/09/22 15:38:49 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($r,\@Problems,\@Students);
129: } else {
130: &prepare_html_output($r,\@Problems,\@Students);
131: }
132: }
133: $r->print('<hr />');
134: } else {
135: $r->print('<input type="submit" name="Generate" value="'.
136: &mt('Prepare Report').'" />');
137: $r->print(' 'x5);
138: $r->print('<p>'.
139: &mt('Computing correct answers greatly increasese the amount of time required to prepare a report.').
140: '</p>');
141: $r->print('<p>'.
142: &mt('please select problems and use the <b>Prepare Report</b> button to continue.').
143: '</p>');
144: $r->print(&Apache::lonstathelpers::MultipleProblemSelector
145: (undef,'problemchoice','Statistics'));
146: }
147: }
148:
149: #########################################################
150: #########################################################
151: ##
152: ## HTML Output Routines
153: ##
154: #########################################################
155: #########################################################
156: sub prepare_html_output {
157: my ($r,$problems,$students) = @_;
158: my $c = $r->connection();
159: #
160: # Set a flag for the case when there is just one problem
161: my $single_response = 0;
162: if (scalar(@$problems) == 1 &&
163: $problems->[0]->countResponses == 1) {
164: $single_response = 1;
165: }
166: #
167: # Compute the number of columns per response
168: my @response_headers = ('Submission');
169: if ($ENV{'form.correctans'} eq 'true') {
170: push(@response_headers,'Correct');
171: }
172: if ($ENV{'form.prob_status'} eq 'true') {
173: push(@response_headers,'Award Detail');
174: push(@response_headers,'Time');
175: push(@response_headers,'Attempt');
176: push(@response_headers,'Awarded');
177: }
178: my $response_multiplier = scalar(@response_headers);
179: #
180: # Create the table header
181: my @student_columns = ('username','domain','id');
182: #
183: my %headers;
184: my $student_column_count = scalar(@student_columns);
185: $headers{'problem'} = qq{<th colspan="$student_column_count">\ </th>};
186: foreach (@student_columns) {
187: $headers{'student'}.= '<th>'.ucfirst($_).'</th>';
188: }
189: #
190: # we put the headers into the %headers hash
191: my $total_col = scalar(@student_columns);
192: my $nonempty_part_headers = 0;
193: foreach my $prob (@$problems) {
194: my $prob_span = 0;
195: my $single_part = 0;
196: if (scalar(@{$prob->parts}) == 1) {
197: $single_part = 1;
198: }
199: foreach my $partid (@{$prob->parts}) {
200: my $part_span = 0;
201: my $responses = [$prob->responseIds($partid)];
202: my $resptypes = [$prob->responseType($partid)];
203: for (my $i=0;$i<scalar(@$responses);$i++) {
204: if ($resptypes->[$i] eq 'essay') {
205: # do something clever, like shut up.
206: } else {
207: $total_col += scalar(@response_headers);
208: $headers{'response'} .=
209: '<th colspan="'.scalar(@response_headers).'">'.
210: &mt('Response [_1]',$responses->[$i]).'</th>';
211: $headers{'student'}.= '<th>'.join('</th><th>',
212: @response_headers).
213: '</th>';
214: $part_span += scalar(@response_headers);
215: }
216: }
217: if (! $single_part) {
218: my $tmpname = $partid;
219: if ($partid =~/^\d+$/) {
220: $tmpname = &mt('Part [_1]',$partid);
221: }
222: $headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
223: $nonempty_part_headers = 1;
224: } else {
225: $headers{'part'} .= qq{<th colspan="$part_span"> </th>};
226: }
227: $prob_span += $part_span;
228: }
229: my $title = &get_title($prob->title,$prob->src);
230: if ($prob_span > 0) {
231: $headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
232: } elsif ($single_response) {
233: $prob_span = scalar(@student_columns);
234: $headers{'problem'} = qq{<th colspan="$prob_span">$title</th>};
235: }
236: }
237: if (exists($headers{'part'})) {
238: $headers{'part'} = qq{<th colspan="$student_column_count">\ </th>}.
239: $headers{'part'};
240: }
241: if (exists($headers{'response'})) {
242: $headers{'response'}=
243: qq{<th colspan="$student_column_count">\ </th>}.
244: $headers{'response'};
245: }
246: my $full_header = $/.'<table>'.$/;
247: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
248: if ($nonempty_part_headers) {
249: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
250: }
251: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
252: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
253: #
254: # Main loop
255: my $count;
256: $r->print($/.$full_header.$/);
257: my $row_class = 'odd'; # css
258: foreach my $student (@$students) {
259: my $student_row_data;
260: if ($count++ >= 30) {
261: $r->print('</table>'.$/.$full_header.$/);
262: $count = 0;
263: }
264: last if ($c->aborted());
265: foreach my $field (@student_columns) {
266: $student_row_data .=
267: '<td valign="top">'.$student->{$field}.'</td>';
268: }
269: #
270: # Figure out what it is we need to output for this student
271: my @essays;
272: my %problem_data;
273: my $maxrow;
274: foreach my $prob (@$problems) {
275: my $symb = $prob->symb;
276: $problem_data{$symb}={};
277: foreach my $partid (@{$prob->parts}) {
278: my @responses = $prob->responseIds($partid);
279: my @response_type = $prob->responseType($partid);
280: for (my $i=0;$i<=$#responses;$i++) {
281: my $respid = $responses[$i];
282: my $resptype = $response_type[$i];
283: my $width = scalar(@response_headers);
284: $problem_data{$symb}->{$partid}->{$respid}={};
285: my $resp_data = $problem_data{$symb}->{$partid}->{$respid};
286: $resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
287: my $results =
288: &Apache::loncoursedata::get_response_data_by_student
289: ($student,$prob->symb(),$respid);
290: if (! defined($results)) {
291: $results = [];
292: }
293: #
294: if (scalar(@$results) > $maxrow && $resptype ne 'essay') {
295: $maxrow = scalar(@$results);
296: }
297: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
298: my $response = $results->[$j];
299: if ($ENV{'form.all_sub'} ne 'true') {
300: next if ($j ne scalar(@$results)-1);
301: }
302: if ($resptype eq 'essay') {
303: push(@essays,
304: &html_essay_results($student,
305: $prob,$partid,$respid,
306: $response,
307: $single_response).
308: '</td>');
309: } else {
310: push(@{$resp_data->{'real'}},
311: &html_results($student,
312: $prob,$partid,$respid,
313: $response,$resptype));
314: }
315: }
316: } # end of $i loop
317: } # end of partid loop
318: } # end of prob loop
319: #
320: # if there is no data, skip this student.
321: next if (! $maxrow && ! scalar(@essays));
322: #
323: # Go through the problem data and output a row.
324: if ($row_class eq 'even') {
325: $row_class = 'odd';
326: } else {
327: $row_class = 'even';
328: }
329: my $printed_something;
330: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
331: my $html;
332: my $no_data = 1;
333: foreach my $prob (@$problems) {
334: my $symb = $prob->symb;
335: foreach my $partid (@{$prob->parts}) {
336: my @responses = $prob->responseIds($partid);
337: my @response_type = $prob->responseType($partid);
338: for (my $i=0;$i<=$#responses;$i++) {
339: my $respid = $responses[$i];
340: my $resp_data =
341: $problem_data{$symb}->{$partid}->{$respid};
342: next if ($response_type[$i] eq 'essay');
343: if (defined($resp_data->{'real'}->[$rows_output])) {
344: $html .= $resp_data->{'real'}->[$rows_output];
345: $no_data = 0;
346: } else {
347: $html .= $resp_data->{'fake'};
348: }
349: }
350: }
351: }
352: if (! $no_data) {
353: $r->print(qq{<tr class="$row_class">$student_row_data$html</tr>}.$/);
354: $printed_something=1;
355: }
356: }
357: if (@essays) {
358: my $tr = qq{<tr class="$row_class">};
359: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
360: if (! $printed_something) {
361: $r->print($tr.$student_row_data.'</tr>'.$/);
362: }
363: $r->print($tr.$td.
364: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
365: undef(@essays);
366: }
367: } # end of student loop
368: return;
369: }
370:
371: #####################################################
372: ##
373: ## HTML helper routines
374: ##
375: #####################################################
376: sub html_essay_results {
377: my ($student,$prob,$partid,$respid,$response,$single_response)=@_;
378: #
379: my $submission =$response->[&Apache::loncoursedata::RDs_submission()];
380: $submission = &html_format_sub($submission,'essay');
381: #
382: my $correct = '';
383: if ($ENV{'form.correctans'} eq 'true') {
384: $correct = &Apache::lonstathelpers::analyze_problem_as_student
385: ($prob,$student->{'username'},$student->{'domain'},
386: $partid,$respid);
387: $correct = &html_format_sub($correct,'essay');
388: }
389: my $Str;
390: if (! $single_response) {
391: my $id = &get_title($prob->title,$prob->src);
392: if (defined($partid) && $partid ne '0') {
393: $id .= ' '.$partid;
394: }
395: if (defined($respid)) {
396: $id .= ' '.$respid;
397: }
398: $Str .= '<nobr>'.$id.'</nobr>'.(' 'x4);
399: }
400: if ($ENV{'form.prob_status'} eq 'true') {
401: $Str .= '<nobr>';
402: $Str .= $response->[&Apache::loncoursedata::RDs_awarddetail()].
403: (' 'x4);
404: $Str .= &mt('Attempt [_1]',
405: $response->[&Apache::loncoursedata::RDs_tries()]).
406: (' 'x4);
407: $Str .= &Apache::lonlocal::locallocaltime
408: ($response->[&Apache::loncoursedata::RDs_timestamp()]).
409: (' 'x4);
410: $Str .= &mt('Awarded: [_1]',
411: $response->[&Apache::loncoursedata::RDs_awarded()]).
412: (' 'x4);
413: $Str .= '</nobr><br />';
414: }
415: $Str .= $submission;
416: if (defined($correct) && $correct !~ /^\s*$/) {
417: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
418: }
419: return $Str;
420: }
421:
422: sub html_results {
423: my ($student,$prob,$partid,$respid,$response,$resptype) = @_;
424: my $submission =$response->[&Apache::loncoursedata::RDs_submission()];
425: $submission = &html_format_sub($submission,$resptype);
426: my $correct = '';
427: if ($ENV{'form.correctans'} eq 'true') {
428: $correct = &Apache::lonstathelpers::analyze_problem_as_student
429: ($prob,$student->{'username'},$student->{'domain'},
430: $partid,$respid);
431: $correct = &html_format_sub($correct,$resptype);
432: }
433: my $Str;
434: $Str .= '<td valign="top">'.$submission.'</td>';
435: if ($ENV{'form.correctans'} eq 'true') {
436: $Str .= '<td valign="top">'.$correct.'</td>';
437: }
438: if ($ENV{'form.prob_status'} eq 'true') {
439: $Str .= '<td valign="top">'.
440: $response->[&Apache::loncoursedata::RDs_awarddetail()].
441: '</td>';
442: $Str .= '<td valign="top"><nobr>'.
443: &Apache::lonlocal::locallocaltime
444: ($response->[&Apache::loncoursedata::RDs_timestamp()]).
445: '</nobr></td>';
446: $Str .= '<td valign="top">'.
447: $response->[&Apache::loncoursedata::RDs_tries()].
448: '</td>';
449: $Str .= '<td valign="top">'.
450: $response->[&Apache::loncoursedata::RDs_awarded()].
451: '</td>';
452: }
453: return $Str;
454: }
455:
456: sub html_format_sub {
457: my ($submission,$resptype) = @_;
458: return '' if (! defined($submission) || $submission eq '');
459: if ($resptype eq 'essay') {
460: $submission =~ s|\\r\\n|$/|g;
461: $submission = &HTML::Entities::encode($submission,'<>&"');
462: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
463: $submission =~ s|\\||g;
464: $submission = '<p>'.$submission.'</p>';
465: } elsif ($resptype eq 'radiobutton') {
466: $submission =~ s/=([^=])$//;
467: } elsif ($resptype =~ /^(option|match|rank)$/) {
468: $submission =
469: '<ul class="sub_studentans">'.
470: '<li>'.join('</li><li>',
471: map {
472: &Apache::lonnet::unescape($_) ;
473: } sort split('&',$submission)
474: ).
475: '</li><ul>';
476: }
477: return $submission;
478: }
479:
480: #########################################################
481: #########################################################
482: ##
483: ## Excel Output Routines
484: ##
485: #########################################################
486: #########################################################
487: sub prepare_excel_output {
488: my ($r,$Problems,$Students) = @_;
489: my $c = $r->connection();
490: #
491: #
492: # Determine the number of columns in the spreadsheet
493: my $columncount = 3; # username, domain, id
494: my $response_multiplier = 1;
495: $response_multiplier ++ if ($ENV{'form.correctans'} eq 'true');
496: $response_multiplier += 4 if ($ENV{'form.prob_status'} eq 'true');
497: my $lastprob;
498: foreach my $prob (@$Problems) {
499: $columncount += ($response_multiplier * $prob->countResponses);
500: last if ($columncount > 255);
501: $lastprob = $prob;
502: }
503: if ($columncount > 255) {
504: $r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
505: '<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>'.$/.
506: '<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/.
507: '<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',&get_title($lastprob->title,$lastprob->src)).'</p>');
508: $r->rflush();
509: return;
510: }
511: #
512: # Print out a message telling them what we are doing
513: if (scalar(@$Problems) > 1) {
514: $r->print('<h2>'.
515: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
516: scalar(@$Problems)).
517: '</h2>');
518: } else {
519: $r->print('<h2>'.
520: &mt('Preparing Excel spreadsheet of student responses').
521: '</h2>');
522: }
523: $r->rflush();
524: #
525: # Create the excel spreadsheet
526: my $filename = '/prtspool/'.
527: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
528: time.'_'.rand(1000000000).'.xls';
529: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
530: if (! defined($workbook)) {
531: $r->log_error("Error creating excel spreadsheet $filename: $!");
532: $r->print('<p>'.&mt("Unable to create new Excel file. ".
533: "This error has been logged. ".
534: "Please alert your LON-CAPA administrator").
535: '</p>');
536: return undef;
537: }
538: #
539: $workbook->set_tempdir('/home/httpd/perl/tmp');
540: #
541: my $format = &Apache::loncommon::define_excel_formats($workbook);
542: my $worksheet = $workbook->addworksheet('Student Submission Data');
543: #
544: # Add headers to the worksheet
545: my $rows_output = 0;
546: $worksheet->write($rows_output++,0,
547: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
548: $format->{'h1'});
549: $rows_output++;
550: my $cols_output = 0;
551: my $title_row = $rows_output++;
552: my $partid_row = $rows_output++;
553: my $respid_row = $rows_output++;
554: my $header_row = $rows_output++;
555: $worksheet->write($title_row ,0,'Problem Title',$format->{'bold'});
556: $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
557: $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
558: # Student headers
559: my @StudentColumns = ('username','domain','id');
560: foreach (@StudentColumns) {
561: $worksheet->write($header_row,$cols_output++,ucfirst($_),
562: $format->{'bold'});
563: }
564: # Problem headers
565: foreach my $prob (@$Problems) {
566: my $title = &get_title($prob->title,$prob->src);
567: $worksheet->write($title_row,$cols_output,
568: $title,$format->{'h3'});
569: foreach my $partid (@{$prob->parts}) {
570: $worksheet->write($partid_row,$cols_output,$partid);
571: my $responses = [$prob->responseIds($partid)];
572: my $resptypes = [$prob->responseType($partid)];
573: for (my $i=0;$i<scalar(@$responses);$i++) {
574: $worksheet->write($respid_row,$cols_output,
575: $resptypes->[$i].', '.$responses->[$i]);
576: $worksheet->write($header_row,$cols_output,'Submission');
577: $cols_output++;
578: if ($ENV{'form.correctans'} eq 'true') {
579: $worksheet->write($header_row,$cols_output,'Correct');
580: $cols_output++;
581: }
582: if ($ENV{'form.prob_status'} eq 'true') {
583: $worksheet->write($header_row,$cols_output++,
584: 'Award Detail');
585: $worksheet->write($header_row,$cols_output++,'Attempt');
586: $worksheet->write($header_row,$cols_output++,'Time');
587: $worksheet->write($header_row,$cols_output++,'Awarded');
588: }
589: }
590: }
591: }
592: #
593: # Populate the worksheet with the student data
594: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
595: ($r,'Excel File Compilation Status',
596: 'Excel File Compilation Progress',
597: scalar(@$Students),'inline',undef,'Statistics','stats_status');
598: my $max_row = $rows_output;
599: foreach my $student (@$Students) {
600: last if ($c->aborted());
601: $cols_output = 0;
602: my $student_row = $max_row;
603: foreach my $field (@StudentColumns) {
604: $worksheet->write($student_row,$cols_output++,
605: $student->{$field});
606: }
607: my $last_student_col = $cols_output-1;
608: my $response_count;
609: foreach my $prob (@$Problems) {
610: foreach my $partid (@{$prob->parts}) {
611: my @Response = $prob->responseIds($partid);
612: my @ResponseType = $prob->responseType($partid);
613: for (my $i=0;$i<=$#Response;$i++) {
614: my $response_start_col = $last_student_col +
615: $response_count * $response_multiplier + 1;
616: $response_count++;
617: my $respid = $Response[$i];
618: my $resptype = $ResponseType[$i];
619: my $results =
620: &Apache::loncoursedata::get_response_data_by_student
621: ($student,$prob->symb(),$respid);
622: if (! defined($results)) {
623: $results = [];
624: }
625: #
626: $rows_output = $student_row;
627: #
628: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
629: $cols_output = $response_start_col;
630: my $response = $results->[$j];
631: if ($ENV{'form.all_sub'} ne 'true') {
632: next if ($j ne scalar(@$results)-1);
633: }
634: my $cols_output = &write_excel_row
635: ($worksheet,
636: $rows_output++,$cols_output,
637: $response,$student,
638: $prob,$partid,$respid,
639: $format,$resptype);
640: if ($rows_output > $max_row) {
641: $max_row = $rows_output;
642: }
643: }
644: }
645: }
646: }
647: $rows_output++;
648: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
649: 'last student');
650: }
651: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
652: #
653: # Close the excel file
654: $workbook->close();
655: #
656: # Write a link to allow them to download it
657: $r->print('<p><a href="'.$filename.'">'.
658: &mt('Your Excel spreadsheet.').
659: '</a></p>'."\n");
660: $r->print('<script>'.
661: 'window.document.Statistics.stats_status.value="'.
662: 'Done compiling spreadsheet. See link below to download.'.
663: '";</script>');
664: $r->rflush();
665: return;
666: }
667:
668: sub write_excel_row {
669: my ($worksheet,$row,$col,$response,$student,$prob,$partid,$respid,
670: $format,$resptype) = @_;
671: #
672: my $submission =$response->[&Apache::loncoursedata::RDs_submission()];
673: $submission = &excel_format_response($submission,$resptype);
674: $worksheet->write($row,$col++,$submission);
675: if ($ENV{'form.correctans'} eq 'true') {
676: my $correct = &Apache::lonstathelpers::analyze_problem_as_student
677: ($prob,$student->{'username'},$student->{'domain'},
678: $partid,$respid);
679: $correct =&excel_format_response($correct,$resptype);
680: $worksheet->write($row,$col++,$correct);
681: }
682: if ($ENV{'form.prob_status'} eq 'true') {
683: $worksheet->write
684: ($row,$col++,
685: $response->[&Apache::loncoursedata::RDs_awarddetail()]);
686: $worksheet->write
687: ($row,$col++,$response->[&Apache::loncoursedata::RDs_tries()]);
688: $worksheet->write
689: ($row,$col++,
690: &Apache::lonstathelpers::calc_serial
691: ($response->[&Apache::loncoursedata::RDs_timestamp()]),
692: $format->{'date'});
693: $worksheet->write
694: ($row,$col++,$response->[&Apache::loncoursedata::RDs_awarded()]);
695: }
696: return $col;
697: }
698:
699: sub get_title {
700: my ($title,$src) = @_;
701: if ($title eq '') {
702: ($title) = ($src =~ m|/([^/]+)$|);
703: } else {
704: $title =~ s/\:/:/g;
705: }
706: return $title;
707: }
708:
709: sub excel_format_response {
710: my ($answer,$responsetype) = @_;
711: if ($responsetype eq 'radiobutton') {
712: $answer =~ s/=([^=])$//;
713: } elsif ($responsetype =~ /^(option|match)$/) {
714: $answer = join("\n",
715: map {
716: &Apache::lonnet::unescape($_) ;
717: } sort split('&',$answer)
718: );
719: }
720: if ($answer =~ m/^=/) {
721: $answer = ' '.$answer;
722: }
723: return $answer;
724: }
725:
726: ##
727: ## Currently not used
728: sub get_problem_data {
729: my ($r,$Problems) = @_;
730: #
731: # Analyze
732: my %Data;
733: if (scalar(@$Problems) > 5) {
734: # progress window
735: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
736: ($r,'Problem Analysis Status',
737: 'Problem Analysis Progress',
738: scalar(@$Problems),
739: 'inline',undef,'Statistics','stats_status');
740: foreach my $problem (@$Problems) {
741: $Data{$problem->symb} =
742: {&Apache::lonstathelpers::get_problem_data
743: ($problem->src)};
744: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
745: 'last problem');
746: }
747: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
748: } else {
749: foreach my $problem (@$Problems) {
750: $Data{$problem->symb} =
751: {&Apache::lonstathelpers::get_problem_data
752: ($problem->src)};
753: }
754: }
755: return \%Data;
756: }
757:
758:
759: =pod
760:
761: #########################################################
762: #########################################################
763: ##
764: ## CSV output of student answers
765: ##
766: #########################################################
767: #########################################################
768: sub prepare_csv_output {
769: my ($r,$Problems,$Students) = @_;
770: my $problem;
771: #
772: my $c = $r->connection();
773: my ($resource,$respid,$partid) = ($problem->{'resource'},
774: $problem->{'respid'},
775: $problem->{'part'});
776: #
777: if ($ENV{'form.correctans'} eq 'true') {
778: $r->print('<h2>'.&mt('Generating Correct Answers').'</h2>');
779: &Apache::lonstathelpers::GetStudentAnswers($r,$problem,$Students,
780: 'Statistics',
781: 'stats_status');
782: }
783: #
784: $r->print('<h2>'.
785: &mt('Generating CSV report of student responses').'</h2>');
786: #
787: # Progress window
788: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
789: ($r,'CSV File Compilation Status',
790: 'CSV File Compilation Progress',
791: scalar(@$Students),'inline',undef,'Statistics','stats_status');
792:
793: $r->rflush();
794: #
795: # Open a file
796: my $outputfile;
797: my $filename = '/prtspool/'.
798: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
799: time.'_'.rand(1000000000).'.csv';
800: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
801: $r->log_error("Couldn't open $filename for output $!");
802: $r->print("Problems occured in writing the csv file. ".
803: "This error has been logged. ".
804: "Please alert your LON-CAPA administrator.");
805: $outputfile = undef;
806: }
807: #
808: #
809: my @Columns;
810: if (exists($ENV{'form.concise'}) && $ENV{'form.concise'} eq 'true') {
811: foreach (@DefaultColumns) {
812: if ($_->{'name'} =~ /^(username|domain|id)$/){
813: push(@Columns,$_);
814: }
815: }
816: } else {
817: @Columns = @DefaultColumns;
818: }
819: #
820: my $response_type = &get_response_type($resource,$partid,$respid);
821: if (! defined($response_type) || $response_type eq '') {
822: $r->print('<h2>'.&mt('Unable to determine response type').'</h2>');
823: return;
824: }
825: #
826: my $header = &csv_headers(\@Columns).','.&csv_generic_headers();
827: print $outputfile $header.$/;
828: #
829: foreach my $student (@$Students) {
830: last if ($c->aborted());
831: my $results = &Apache::loncoursedata::get_response_data_by_student
832: ($student,$resource->{'symb'},$respid);
833: next if (! defined($results) || ref($results) ne 'ARRAY');
834: for (my $i=0;$i<scalar(@$results);$i++) {
835: my $response = $results->[$i];
836: if ($ENV{'form.last_sub_only'} eq 'true' &&
837: $i < (scalar(@$results)-1)) {
838: next;
839: }
840: my $data;
841: $data->{'username'} = $student->{'username'};
842: $data->{'domain'} = $student->{'domain'};
843: $data->{'id'} = $student->{'id'};
844: $data->{'fullname'} = $student->{'fullanem'};
845: $data->{'status'} = $student->{'status'};
846: $data->{'time'} = &Apache::lonlocal::locallocaltime
847: ($response->[&Apache::loncoursedata::RDs_timestamp()]);
848: $data->{'attempt'} =
849: $response->[&Apache::loncoursedata::RDs_tries()];
850: $data->{'awarded'} =
851: $response->[&Apache::loncoursedata::RDs_awarded()];
852: $data->{'awarddetail'} =
853: $response->[&Apache::loncoursedata::RDs_awarddetail()];
854: $data->{'weight'} = &Apache::lonnet::EXT
855: ('resource.'.$partid.'.weight',$resource->{'symb'},
856: undef,undef,undef);
857: $data->{'score'} = $data->{'weight'} * $data->{'awarded'};
858: my $rowextra = '';
859: my $row;
860: foreach my $col (@Columns) {
861: $row .= '"'.
862: &Apache::loncommon::csv_translate($data->{$col->{'name'}}).'",';
863: }
864: if ($response_type eq 'option') {
865: $row .= &csv_option_results
866: ($response->[&Apache::loncoursedata::RDs_submission()],
867: $student->{'answer'},
868: scalar(@Columns),$rowextra);
869: } elsif ($response_type eq 'radiobutton') {
870: $row .= &csv_radiobutton_results
871: ($response->[&Apache::loncoursedata::RDs_submission()],
872: $student->{'answer'},
873: scalar(@Columns),$rowextra);
874: } else {
875: $row .= &csv_generic_results
876: ($response->[&Apache::loncoursedata::RDs_submission()],
877: $student->{'answer'},
878: scalar(@Columns),$rowextra);
879: }
880: print $outputfile $row.$/;
881: }
882: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
883: 'last student');
884: }
885: close($outputfile);
886: #
887: # Close the progress window
888: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
889: #
890: # Tell the user where to get their csv file
891: $r->print('<br />'.
892: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
893: $r->rflush();
894: return;
895: }
896:
897: sub csv_headers {
898: my ($Columns) = @_;
899: my $Str;
900: foreach my $column (@$Columns) {
901: $Str .=
902: '"'.&Apache::loncommon::csv_translate($column->{'display'}).'",';
903: }
904: chop($Str);
905: return $Str;
906: }
907:
908: sub csv_generic_headers {
909: my ($title) = @_;
910: if (! defined($title)) {
911: $title = &mt('Submission');
912: }
913: my $header = '"'.&Apache::loncommon::csv_translate($title).'"';
914: if ($ENV{'form.correctans'} eq 'true') {
915: $header .= ',"'.&Apache::loncommon::csv_translate(&mt('Correct')).'"';
916: }
917: return $header;
918: }
919:
920: #------------------------------------------
921: sub csv_essay_results {
922: my ($submission,$correct,$tablewidth,$rowextra)=@_;
923: #
924: $submission =~ s|\\r|\\\\r|g;
925: $submission =~ s|\\n|\\\\n|g;
926: #
927: return &csv_generic_results($submission,$correct,$tablewidth);
928: }
929:
930: #------------------------------------------
931: sub csv_radiobutton_results {
932: my ($submission,$correct,$tablewidth,$rowclass)=@_;
933: $submission =~ s/=[^=]*$//;
934: return &csv_generic_results($submission,$correct,$tablewidth,$rowclass);
935: }
936:
937: #------------------------------------------
938: sub csv_option_results {
939: my ($submission,$correct,$tablewidth,$rowclass)=@_;
940: $submission = join(',',
941: map {
942: &Apache::lonnet::unescape($_) ;
943: } sort split('&',$submission)
944: );
945: if (defined($correct) && $correct !~ /^\s*$/) {
946: $correct =join(',',
947: map {
948: &Apache::lonnet::unescape($_) ;
949: } sort split('&',$submission));
950: }
951: return &csv_generic_results($submission,$correct,$tablewidth,$rowclass);
952: }
953:
954: #------------------------------------------
955: sub csv_generic_results {
956: my ($submission,$correct,$tablewidth,$rowclass)=@_;
957: my $Str .=
958: '"'.&Apache::loncommon::csv_translate($submission).'"';
959: if ($ENV{'form.correctans'} eq 'true') {
960: $Str .= ',"'.&Apache::loncommon::csv_translate($correct).'"';
961: }
962: return $Str;
963: }
964:
965: =cut
966:
967: #########################################################
968: #########################################################
969: ##
970: ## Generic Interface Routines
971: ##
972: #########################################################
973: #########################################################
974: sub CreateInterface {
975: ##
976: ## Output Selection
977: my $output_selector = $/.'<select name="output">'.$/;
978: # foreach ('HTML','Excel','CSV') {
979: foreach ('HTML','Excel') {
980: $output_selector .= ' <option value="'.lc($_).'"';
981: if ($ENV{'form.output'} eq lc($_)) {
982: $output_selector .= ' selected ';
983: }
984: $output_selector .='>'.&mt($_).'</option>'.$/;
985: }
986: $output_selector .= '</select>'.$/;
987: ##
988: ## Environment variable initialization
989: my $Str = '';
990: $Str .= &Apache::lonhtmlcommon::breadcrumbs
991: (undef,'Student Submission Reports');
992: $Str .= '<p>';
993: $Str .= '<table cellspacing="5">'."\n";
994: $Str .= '<tr>';
995: $Str .= '<th>'.&mt('Sections').'</th>';
996: $Str .= '<th>'.&mt('Enrollment Status').'</th>';
997: $Str .= '<th>'.&mt('Output as [_1]',$output_selector).'</th>';
998: $Str .= '</tr>'."\n";
999: #
1000: $Str .= '<tr><td align="center">'."\n";
1001: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1002: $Str .= '</td>';
1003: #
1004: $Str .= '<td align="center">';
1005: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1006: $Str .= '</td>';
1007: #
1008: # Render problem checkbox
1009: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1010: if (exists($ENV{'form.renderprob'}) && $ENV{'form.renderprob'} eq 'true') {
1011: $prob_checkbox .= 'checked ';
1012: }
1013: $prob_checkbox .= 'value="true" />';
1014: #
1015: # Compute correct answers checkbox
1016: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1017: if (exists($ENV{'form.correctans'}) && $ENV{'form.correctans'} eq 'true') {
1018: $ans_checkbox .= 'checked ';
1019: }
1020: $ans_checkbox .= 'value="true" />';
1021: #
1022: # Show all submissions checkbox
1023: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1024: if (exists($ENV{'form.all_sub'}) &&
1025: $ENV{'form.all_sub'} eq 'true') {
1026: $all_sub_checkbox .= 'checked ';
1027: }
1028: $all_sub_checkbox.= 'value="true" />';
1029: #
1030: # problem status checkbox
1031: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1032: if (exists($ENV{'form.prob_status'}) &&
1033: $ENV{'form.prob_status'} eq 'true') {
1034: $prob_status_checkbox .= 'checked ';
1035: }
1036: $prob_status_checkbox .= 'value="true" />';
1037: #
1038: $Str .= '<td align="right" halign="top">'.
1039: '<label><b>'.
1040: &mt('Show problem [_1]',$prob_checkbox).'</b></label><br />'.
1041: '<label><b>'.
1042: &mt('Show correct answers [_1]',$ans_checkbox).'</b></label><br />'.
1043: '<label><b>'.
1044: &mt('Show all submissions [_1]',$all_sub_checkbox).
1045: '</b></label><br />'.
1046: '<label><b>'.
1047: &mt('Show problem grading [_1]',$prob_status_checkbox).
1048: '</b></label><br />'.
1049: '</td>';
1050: #
1051: $Str .= '</tr>'."\n";
1052: $Str .= '</table>'."\n";
1053: #
1054: $Str .= '<nobr>'.&mt('Status: [_1]',
1055: '<input type="text" '.
1056: 'name="stats_status" size="60" value="" />').
1057: '</nobr>'.'</p>';
1058: ##
1059: return $Str;
1060: }
1061:
1062: 1;
1063:
1064: __END__
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