1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
3: #
4: # $Id: essayresponse.pm,v 1.88 2008/08/28 00:14:42 raeburn 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: package Apache::essayresponse;
30: use strict;
31: use Apache::lonxml();
32: use Apache::lonnet;
33: use Apache::lonlocal;
34: use LONCAPA qw(:DEFAULT :match);
35:
36:
37: BEGIN {
38: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
39: }
40:
41: sub start_essayresponse {
42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
43: my $result;
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: if ($target eq 'meta') {
46: $result=&Apache::response::meta_package_write('essayresponse');
47: } elsif ($target eq 'web' &&
48: $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
49: my $part= $Apache::inputtags::part;
50: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
51: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
52: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
53: $uploadedfiletypes=~s/[^\w\,]//g;
54: if ( $Apache::lonhomework::type eq 'survey' ) {
55: $result.= '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" /> ';
56: }
57: $result.='<br /><table border="1">';
58: if ( $Apache::lonhomework::type ne 'survey' ) {
59: $result.= '<tr><td>'.
60: '<label>'.
61: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
62: &mt('Submit entries below as answer to receive credit').
63: '</label> <br />'.
64: '<label>'.
65: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
66: &mt('Save entries below as a draft answer (not submitting them for credit yet)').
67: '</label>'.
68: '</td></tr>';
69: }
70:
71: if ($ncol > 0) {
72: $result .='<tr><td>'.'<label>'.
73: &mt('Collaborators:').' <input type="text" size="70" max="80" name="HWCOL'.
74: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
75: &mt('(Enter a maximum of [quant,_1,collaborator] using username or username:domain, e.g. smithje or smithje:[_2].)',$ncol,$env{'user.domain'});
76: if ($ncol > 1) {
77: $result .= '<br />'.&mt('If entering more than one, use spaces to separate the collaborators.');
78: }
79: $result .= '</label><br />';
80: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
81: $result .='</td></tr>';
82: }
83: $result.=&Apache::inputtags::file_selector($part,$id,
84: $uploadedfiletypes,'both');
85: $result.='</table>';
86: } elsif ($target eq 'web' &&
87: $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
88: my $part= $Apache::inputtags::part;
89: my @msgs;
90: if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
91: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
92: $result .= '<td>'.&mt('Collaborated with [_1]',$coll).'</td>';
93: }
94:
95: my $file_submission =
96: &Apache::inputtags::show_past_file_submission($part,$id);
97: if ($file_submission) {
98: $result .= '<td>'.$file_submission.'</td>';
99: }
100:
101: my $port_submission =
102: &Apache::inputtags::show_past_portfile_submission($part,$id);
103: if ($port_submission) {
104: $result .= '<td>'.$port_submission.'</td>';
105: }
106:
107: if ($result ne '') {
108: $result =
109: '<table class="LC_pastsubmission"><tr>'.$result.
110: '</tr></table>';
111: }
112: }
113: return $result;
114: }
115:
116: sub end_essayresponse {
117: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
118: my $part = $Apache::inputtags::part;
119: my $id = $Apache::inputtags::response[-1];
120: my $increment = &Apache::response::repetition();
121: my $result;
122: if ( $target eq 'grade' ) {
123: my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
124: if ($collaborators =~ /[^\s]/) {
125: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
126: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
127: if ($collaborators ne $previous_list);
128: }
129: if ( &Apache::response::submitted('scantron') ) {
130: $increment=&Apache::response::scored_response($part,$id);
131: } elsif ( &Apache::response::submitted() ) {
132: my $response = $env{'form.HWVAL_'.$id};
133: my $filename= $env{'form.HWFILE'.$part.'_'.$id.'.filename'};
134: my $portfiles = $env{'form.HWPORT'.$part.'_'.$id};
135: if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/)) {
136: my $award='DRAFT';
137: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
138: $award='SUBMITTED';
139: }
140: my $uploadedflag=0;
141: &file_submission($part,$id,'filename',\$award,\$uploadedflag);
142: &file_submission($part,$id,'portfiles',\$award,\$uploadedflag);
143: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
144: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
145: my %previous=&Apache::response::check_for_previous($response,$part,$id);
146: unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
147: #
148: # Store with resource author for similarity testing
149: #
150: if ($award eq 'SUBMITTED') {
151: my ($symb,$crsid,$domain,$name)=
152: &Apache::lonnet::whichuser();
153: if ($crsid) {
154: my $akey=join('.',&escape($name),&escape($domain),
155: &escape($crsid));
156: my $essayurl=
157: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
158: my ($adom,$aname,$apath)=
159: ($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
160: $apath=&escape($apath);
161: $apath=~s/\W/\_/gs;
162: &Apache::lonnet::put('nohist_essay_'.$apath,
163: { $akey => $response },$adom,$aname);
164: }
165: }
166: }
167: }
168: } elsif ($target eq 'edit') {
169: $result.=&Apache::edit::end_table();
170:
171: } elsif ($target eq 'tex'
172: && $Apache::lonhomework::type eq 'exam') {
173: $result .= &Apache::inputtags::exam_score_line($target);
174:
175: } elsif ($target eq 'answer') {
176: $result.=&Apache::response::answer_header($$tagstack[-1]);
177: my $answer = &mt('Essay will be hand graded.');
178: $result.=&Apache::response::answer_part($$tagstack[-1],$answer,
179: {'no_verbatim' => 1});
180: $result.=&Apache::response::answer_footer($$tagstack[-1]);
181: }
182: if ($target eq 'web') {
183: &Apache::response::setup_prior_tries_hash(\&format_prior_response,
184: ['portfiles',
185: 'uploadedurl']);
186: }
187:
188: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
189: $target eq 'tex' || $target eq 'analyze') {
190: &Apache::lonxml::increment_counter($increment, "$part.$id");
191:
192: if ($target eq 'analyze') {
193: $Apache::lonhomework::analyze{"$part.$id.type"} = 'essayresponse';
194: &Apache::lonhomework::set_bubble_lines();
195: }
196: }
197: &Apache::response::end_response;
198:
199: return $result;
200: }
201:
202: sub format_prior_response {
203: my ($mode,$answer,$other_data) = @_;
204: my $output;
205:
206: my (undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
207: my $port_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
208:
209: my $file_list;
210:
211: foreach my $file (split(/\s*,\s*/,
212: $other_data->[0].','.$other_data->[1])) {
213: next if ($file!~/\S/);
214: if ($file !~ m{^/uploaded/}) { $file=$port_url.$file; }
215: $file=~s|/+|/|g;
216: &Apache::lonnet::allowuploaded('/adm/essayresponse',$file);
217: $file_list.='<li><span class="LC_nobreak"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
218: &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
219: '</a></span></li>'."\n";
220: }
221: if ($file_list) {
222: $output.= &mt('Submitted Files').'<ul>'.$file_list.'</ul>';
223: }
224: if ($answer =~ /\S/) {
225: $output.='<p>'.&mt('Submitted text').
226: '<blockquote>'.$answer.'</blockquote></p>';
227: }
228:
229: return '<div class="LC_prior_essay">'.$output.'</div>';
230: }
231:
232: sub file_submission {
233: my ($part,$id,$which,$award,$uploadedflag)=@_;
234: my $files;
235: my $jspart=$part;
236: $jspart=~s/\./_/g;
237: if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$jspart.'_'.$id}; }
238: if ($which eq 'filename') {
239: $files = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
240: }
241:
242: if ($files =~ /[^\s]/) {
243: $files =~s/,$//;
244: $Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
245:
246: my @submitted_files = ($files);
247: if ( $which eq 'portfiles' ) {
248: @submitted_files = split(/\s*,\s*/,$files);
249: }
250:
251: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
252: if ($uploadedfiletypes) {
253: $uploadedfiletypes=~s/[^\w\,]//g;
254: $uploadedfiletypes=','.$uploadedfiletypes.',';
255: foreach my $file (@submitted_files) {
256: my ($extension)=($file=~/\.(\w+)$/);
257: unless ($uploadedfiletypes=~/\,\s*\Q$extension\E\s*\,/i) {
258: $$award='INVALID_FILETYPE';
259: }
260: }
261: }
262: if ($$award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
263: $$uploadedflag=1;
264: }
265: if ($$award ne 'INVALID_FILETYPE' && $which eq 'portfiles') {
266: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
267: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
268: &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,[$symb,$crsid]);
269: &Apache::lonnet::clear_selected_files($name);
270: }
271: if ($$award ne 'INVALID_FILETYPE' && $which eq 'filename') {
272: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=
273: $files;
274: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
275: &Apache::lonnet::userfileupload('HWFILE'.$jspart.'_'.$id,undef,
276: 'essayresponse');
277: }
278: } elsif ($which eq 'portfiles' &&
279: $Apache::lonhomework::history{"resource.$part.$id.$which"}) {
280: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
281: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
282: $Apache::lonhomework::results{"resource.$part.$id.$which"}="";
283: }
284: }
285:
286: sub check_collaborators {
287: my ($ncol,$coll) = @_;
288: my %classlist=&Apache::lonnet::dump('classlist',
289: $env{'course.'.$env{'request.course.id'}.'.domain'},
290: $env{'course.'.$env{'request.course.id'}.'.num'});
291: my (@badcollaborators,$result);
292:
293: my (@collaborators) = split(/,?\s+/,$coll);
294: foreach my $entry (@collaborators) {
295: my $collaborator;
296: if ($entry =~ /:/) {
297: $collaborator = $entry;
298: } else {
299: $collaborator = $entry.':'.$env{'user.domain'};
300: }
301: if ($collaborator !~ /^$match_username:$match_domain$/) {
302: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
303: push(@badcollaborators,$entry);
304: }
305: } elsif (!grep(/^\Q$collaborator\E$/i,keys(%classlist))) {
306: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
307: push(@badcollaborators,$entry);
308: }
309: }
310: }
311:
312: my $numbad = scalar(@badcollaborators);
313: if ($numbad) {
314: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td>';
315: if ($numbad == 1) {
316: $result .= &mt('The following user is invalid:');
317: } else {
318: $result .= &mt('The following [_1] users are invalid:',$numbad);
319: }
320: $result .= ' '.join(', ',@badcollaborators).'. '.&mt('Please correct.').
321: '</td></tr></table>';
322: }
323: my $toomany = scalar(@collaborators) - $ncol;
324: if ($toomany > 0) {
325: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
326: &mt('You have too many collaborators.').' '.
327: &mt('Please remove [quant,_1,collaborator].',$toomany).
328: '</td></tr></table>';
329: }
330: return $result;
331: }
332:
333: 1;
334: __END__
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