1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
3: #
4: # $Id: essayresponse.pm,v 1.90 2008/11/10 13:18:19 jms Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: =pod
30:
31: =head1 NAME
32:
33: Apache::easyresponse
34:
35: =head1 SYNOPSIS
36:
37: Handler to evaluate essay (ungraded) style responses.
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42: =cut
43:
44: package Apache::essayresponse;
45: use strict;
46: use Apache::lonxml();
47: use Apache::lonnet;
48: use Apache::lonlocal;
49: use LONCAPA qw(:DEFAULT :match);
50:
51:
52: BEGIN {
53: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
54: }
55:
56: sub start_essayresponse {
57: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
58: my $result;
59: my $id = &Apache::response::start_response($parstack,$safeeval);
60: if ($target eq 'meta') {
61: $result=&Apache::response::meta_package_write('essayresponse');
62: } elsif ($target eq 'web' &&
63: $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
64: my $part= $Apache::inputtags::part;
65: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
66: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
67: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
68: $uploadedfiletypes=~s/[^\w\,]//g;
69: if ( $Apache::lonhomework::type eq 'survey' ) {
70: $result.= '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" /> ';
71: }
72: $result.='<br /><table border="1">';
73: if ( $Apache::lonhomework::type ne 'survey' ) {
74: $result.= '<tr><td>'.
75: '<label>'.
76: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
77: &mt('Submit entries below as answer to receive credit').
78: '</label> <br />'.
79: '<label>'.
80: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
81: &mt('Save entries below as a draft answer (not submitting them for credit yet)').
82: '</label>'.
83: '</td></tr>';
84: }
85:
86: if ($ncol > 0) {
87: $result .='<tr><td>'.'<label>'.
88: &mt('Collaborators:').' <input type="text" size="70" max="80" name="HWCOL'.
89: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
90: &mt('(Enter a maximum of [quant,_1,collaborator] using username or username:domain, e.g. smithje or smithje:[_2].)',$ncol,$env{'user.domain'});
91: if ($ncol > 1) {
92: $result .= '<br />'.&mt('If entering more than one, use spaces to separate the collaborators.');
93: }
94: $result .= '</label><br />';
95: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
96: $result .='</td></tr>';
97: }
98: $result.=&Apache::inputtags::file_selector($part,$id,
99: $uploadedfiletypes,'both');
100: $result.='</table>';
101: } elsif ($target eq 'web' &&
102: $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
103: my $part= $Apache::inputtags::part;
104: my @msgs;
105: if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
106: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
107: $result .= '<td>'.&mt('Collaborated with [_1]',$coll).'</td>';
108: }
109:
110: my $file_submission =
111: &Apache::inputtags::show_past_file_submission($part,$id);
112: if ($file_submission) {
113: $result .= '<td>'.$file_submission.'</td>';
114: }
115:
116: my $port_submission =
117: &Apache::inputtags::show_past_portfile_submission($part,$id);
118: if ($port_submission) {
119: $result .= '<td>'.$port_submission.'</td>';
120: }
121:
122: if ($result ne '') {
123: $result =
124: '<table class="LC_pastsubmission"><tr>'.$result.
125: '</tr></table>';
126: }
127: }
128: return $result;
129: }
130:
131: sub end_essayresponse {
132: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
133: my $part = $Apache::inputtags::part;
134: my $id = $Apache::inputtags::response[-1];
135: my $increment = &Apache::response::repetition();
136: my $result;
137: if ( $target eq 'grade' ) {
138: my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
139: if ($collaborators =~ /[^\s]/) {
140: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
141: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
142: if ($collaborators ne $previous_list);
143: }
144: if ( &Apache::response::submitted('scantron') ) {
145: $increment=&Apache::response::scored_response($part,$id);
146: } elsif ( &Apache::response::submitted() ) {
147: my $response = $env{'form.HWVAL_'.$id};
148: my $filename= $env{'form.HWFILE'.$part.'_'.$id.'.filename'};
149: my $portfiles = $env{'form.HWPORT'.$part.'_'.$id};
150: if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/)) {
151: my $award='DRAFT';
152: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
153: $award='SUBMITTED';
154: }
155: my $uploadedflag=0;
156: &file_submission($part,$id,'filename',\$award,\$uploadedflag);
157: &file_submission($part,$id,'portfiles',\$award,\$uploadedflag);
158: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
159: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
160: my %previous=&Apache::response::check_for_previous($response,$part,$id);
161: unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
162: #
163: # Store with resource author for similarity testing
164: #
165: if ($award eq 'SUBMITTED') {
166: my ($symb,$crsid,$domain,$name)=
167: &Apache::lonnet::whichuser();
168: if ($crsid) {
169: my $akey=join('.',&escape($name),&escape($domain),
170: &escape($crsid));
171: my $essayurl=
172: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
173: my ($adom,$aname,$apath)=
174: ($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
175: $apath=&escape($apath);
176: $apath=~s/\W/\_/gs;
177: &Apache::lonnet::put('nohist_essay_'.$apath,
178: { $akey => $response },$adom,$aname);
179: }
180: }
181: }
182: }
183: } elsif ($target eq 'edit') {
184: $result.=&Apache::edit::end_table();
185:
186: } elsif ($target eq 'tex'
187: && $Apache::lonhomework::type eq 'exam') {
188: $result .= &Apache::inputtags::exam_score_line($target);
189:
190: } elsif ($target eq 'answer') {
191: $result.=&Apache::response::answer_header($$tagstack[-1]);
192: my $answer = &mt('Essay will be hand graded.');
193: $result.=&Apache::response::answer_part($$tagstack[-1],$answer,
194: {'no_verbatim' => 1});
195: $result.=&Apache::response::answer_footer($$tagstack[-1]);
196: }
197: if ($target eq 'web') {
198: &Apache::response::setup_prior_tries_hash(\&format_prior_response,
199: ['portfiles',
200: 'uploadedurl']);
201: }
202:
203: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
204: $target eq 'tex' || $target eq 'analyze') {
205: &Apache::lonxml::increment_counter($increment, "$part.$id");
206:
207: if ($target eq 'analyze') {
208: $Apache::lonhomework::analyze{"$part.$id.type"} = 'essayresponse';
209: &Apache::lonhomework::set_bubble_lines();
210: }
211: }
212: &Apache::response::end_response;
213:
214: return $result;
215: }
216:
217: sub format_prior_response {
218: my ($mode,$answer,$other_data) = @_;
219: my $output;
220:
221: my (undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
222: my $port_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
223:
224: my $file_list;
225:
226: foreach my $file (split(/\s*,\s*/,
227: $other_data->[0].','.$other_data->[1])) {
228: next if ($file!~/\S/);
229: if ($file !~ m{^/uploaded/}) { $file=$port_url.$file; }
230: $file=~s|/+|/|g;
231: &Apache::lonnet::allowuploaded('/adm/essayresponse',$file);
232: $file_list.='<li><span class="LC_nobreak"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
233: &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
234: '</a></span></li>'."\n";
235: }
236: if ($file_list) {
237: $output.= &mt('Submitted Files').'<ul>'.$file_list.'</ul>';
238: }
239: if ($answer =~ /\S/) {
240: $output.='<p>'.&mt('Submitted text').
241: '<blockquote>'.$answer.'</blockquote></p>';
242: }
243:
244: return '<div class="LC_prior_essay">'.$output.'</div>';
245: }
246:
247: sub file_submission {
248: my ($part,$id,$which,$award,$uploadedflag)=@_;
249: my $files;
250: my $jspart=$part;
251: $jspart=~s/\./_/g;
252: if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$jspart.'_'.$id}; }
253: if ($which eq 'filename') {
254: $files = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
255: }
256:
257: if ($files =~ /[^\s]/) {
258: $files =~s/,$//;
259: $Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
260:
261: my @submitted_files = ($files);
262: if ( $which eq 'portfiles' ) {
263: @submitted_files = split(/\s*,\s*/,$files);
264: }
265:
266: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
267: if ($uploadedfiletypes) {
268: $uploadedfiletypes=~s/[^\w\,]//g;
269: $uploadedfiletypes=','.$uploadedfiletypes.',';
270: foreach my $file (@submitted_files) {
271: my ($extension)=($file=~/\.(\w+)$/);
272: unless ($uploadedfiletypes=~/\,\s*\Q$extension\E\s*\,/i) {
273: $$award='INVALID_FILETYPE';
274: }
275: }
276: }
277: if ($$award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
278: $$uploadedflag=1;
279: }
280: if ($$award ne 'INVALID_FILETYPE' && $which eq 'portfiles') {
281: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
282: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
283: &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,[$symb,$crsid]);
284: &Apache::lonnet::clear_selected_files($name);
285: }
286: if ($$award ne 'INVALID_FILETYPE' && $which eq 'filename') {
287: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=
288: $files;
289: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
290: &Apache::lonnet::userfileupload('HWFILE'.$jspart.'_'.$id,undef,
291: 'essayresponse');
292: }
293: } elsif ($which eq 'portfiles' &&
294: $Apache::lonhomework::history{"resource.$part.$id.$which"}) {
295: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
296: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
297: $Apache::lonhomework::results{"resource.$part.$id.$which"}="";
298: }
299: }
300:
301: sub check_collaborators {
302: my ($ncol,$coll) = @_;
303: my %classlist=&Apache::lonnet::dump('classlist',
304: $env{'course.'.$env{'request.course.id'}.'.domain'},
305: $env{'course.'.$env{'request.course.id'}.'.num'});
306: my (@badcollaborators,$result);
307:
308: my (@collaborators) = split(/,?\s+/,$coll);
309: foreach my $entry (@collaborators) {
310: my $collaborator;
311: if ($entry =~ /:/) {
312: $collaborator = $entry;
313: } else {
314: $collaborator = $entry.':'.$env{'user.domain'};
315: }
316: if ($collaborator !~ /^$match_username:$match_domain$/) {
317: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
318: push(@badcollaborators,$entry);
319: }
320: } elsif (!grep(/^\Q$collaborator\E$/i,keys(%classlist))) {
321: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
322: push(@badcollaborators,$entry);
323: }
324: }
325: }
326:
327: my $numbad = scalar(@badcollaborators);
328: if ($numbad) {
329: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td>';
330: if ($numbad == 1) {
331: $result .= &mt('The following user is invalid:');
332: } else {
333: $result .= &mt('The following [_1] users are invalid:',$numbad);
334: }
335: $result .= ' '.join(', ',@badcollaborators).'. '.&mt('Please correct.').
336: '</td></tr></table>';
337: }
338: my $toomany = scalar(@collaborators) - $ncol;
339: if ($toomany > 0) {
340: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
341: &mt('You have too many collaborators.').' '.
342: &mt('Please remove [quant,_1,collaborator].',$toomany).
343: '</td></tr></table>';
344: }
345: return $result;
346: }
347:
348: 1;
349: __END__
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