1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
3: #
4: # $Id: essayresponse.pm,v 1.128 2025/03/02 05:22:43 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::lonhtmlcommon;
33: use Apache::loncommon;
34: use Apache::lonnet;
35: use Apache::lonnavmaps;
36: use Apache::lonlocal;
37: use LONCAPA qw(:DEFAULT :match);
38:
39:
40: BEGIN {
41: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
42: }
43:
44: sub start_essayresponse {
45: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
46: my $result;
47: my $id = &Apache::response::start_response($parstack,$safeeval);
48: if ($target eq 'meta') {
49: $result=&Apache::response::meta_package_write('essayresponse');
50: } elsif ($target eq 'web') {
51: my $part= $Apache::inputtags::part;
52: my $coll;
53: if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
54: $coll = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
55: }
56: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
57: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
58: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
59: $uploadedfiletypes=~s/[^\w\,]//g;
60: my $maxfilesize=&Apache::lonnet::EXT("resource.$part".'_'."$id.maxfilesize");
61: if (!defined($maxfilesize)) {
62: $maxfilesize = 10.0; #FIXME This should become a domain configuration
63: }
64: my $hiddendraft;
65: if (($Apache::lonhomework::type eq 'survey') ||
66: ($Apache::lonhomework::type eq 'surveycred') ||
67: ($Apache::lonhomework::type eq 'anonsurvey') ||
68: ($Apache::lonhomework::type eq 'anonsurveycred')) {
69: $hiddendraft = '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" />';
70: } else {
71: $result = &draft_row($part,$id,$ncol,$uploadedfiletypes,'essayresponse');
72: }
73: if ($ncol > 0) {
74: $result .= &get_collab_row($part,$id,$coll,$ncol);
75: }
76: my $filesfrom = 'both';
77: my $stuname = &Apache::lonnet::EXT('user.name');
78: my $studom = &Apache::lonnet::EXT('user.domain');
79: if (!&Apache::lonnet::usertools_access($stuname,$studom,'portfolio')) {
80: $filesfrom = 'uploadonly';
81: }
82: $result.=&Apache::inputtags::file_selector($part,$id,$uploadedfiletypes,
83: $filesfrom,undef,$maxfilesize);
84: if ($result) {
85: $result =
86: '<div>'.$hiddendraft.
87: &Apache::lonhtmlcommon::start_pick_box().
88: $result.
89: &Apache::lonhtmlcommon::end_pick_box().'</div>';
90: } else {
91: $result = $hiddendraft;
92: }
93: } else {
94: $result = &show_status_table($part,$id,$coll);
95: }
96: }
97: return $result;
98: }
99:
100: sub draft_row {
101: my ($part,$id,$ncol,$uploadedfiletypes,$resptype) = @_;
102: my $status_text = &mt('Submission type');
103: if ($Apache::lonhomework::history{"resource.$part.award"} eq 'DRAFT') {
104: $status_text .= '<br />'.&mt('(Currently -- draft)');
105: }
106: my $closure;
107: unless ($ncol || $uploadedfiletypes) {
108: $closure = 1;
109: }
110: my %label = (
111: draft => {
112: essayresponse => &mt('Save entries below (not submitted for credit yet)'),
113: externalresponse => &mt('Save entries below (not submitted for grading yet)'),
114: },
115: submit => {
116: essayresponse => &mt('Submit entries below as answer to receive credit'),
117: externalresponse => &mt('Submit entries below for grading'),
118: }
119: );
120: return &Apache::lonhtmlcommon::row_title($status_text).
121: '<fieldset class="LC_landmark">'.
122: '<legend class="LC_visually_hidden">'.$status_text.'</legend>'.
123: '<div><label><input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" />'.
124: ' '.$label{'submit'}{$resptype}.'</label></div>'.
125: '<div><label>'.
126: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
127: $label{'draft'}{$resptype}.'</label></div></fieldset>'.
128: &Apache::lonhtmlcommon::row_closure($closure);
129: }
130:
131: sub get_collab_row {
132: my ($part,$id,$coll,$ncol,$closure) = @_;
133: my $output = &Apache::lonhtmlcommon::row_title(&mt('Collaborators')).
134: '<label>'.
135: &mt('Collaborators:').' <input type="text" size="70" max="80" name="HWCOL'.
136: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
137: &mt('Enter a maximum of [quant,_1,collaborator] using username or username:domain, e.g. smithje or smithje:[_2].',
138: $ncol,$env{'user.domain'});
139: if ($ncol > 1) {
140: $output .= '<br />'.&mt('If entering more than one, use spaces to separate the collaborators.');
141: }
142: $output .= '</label><br />';
143: $output .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
144: $output .= &Apache::lonhtmlcommon::row_closure($closure);
145: return $output;
146: }
147:
148: sub show_status_table {
149: my ($part,$id,$coll) = @_;
150: my $output;
151: if ($coll) {
152: my $udom = $env{'user.domain'};
153: my $uname = $env{'user.name'};
154: my @collaborators;
155: foreach my $possible_collaborator
156: (split(/[,;\s]+/,$coll)) {
157: $possible_collaborator =~ s/[\$\^\(\)]//g;
158: next if ($possible_collaborator eq '');
159: my ($co_name,$co_dom) = split(/:/,$possible_collaborator);
160: $co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
161: next if ($co_name eq $uname && $co_dom eq $udom);
162: push(@collaborators,$possible_collaborator);
163: }
164: if (@collaborators) {
165: $output = '<div style="display: inline-block; float: left">'."\n".
166: &Apache::loncommon::start_data_table().
167: &Apache::loncommon::data_table_caption(&mt('Collaborators'),'LC_filesub_status').
168: &Apache::loncommon::start_data_table_header_row().
169: '<th>'.&mt('Username').'</th>'.
170: &Apache::loncommon::end_data_table_header_row()."\n";
171: foreach my $user (@collaborators) {
172: $output .= &Apache::loncommon::start_data_table_row().
173: '<td>'.$user.'</td>'.
174: &Apache::loncommon::end_data_table_row()."\n";
175: }
176: $output .= &Apache::loncommon::end_data_table().'</div>';
177: }
178: }
179: my $current_files_display =
180: &Apache::inputtags::current_file_submissions($part,$id,'',&mt('Submitted files'));
181: if ($current_files_display) {
182: $output .= '<div style="display: inline-block; float:left;">'.
183: $current_files_display.'</div>';
184: }
185: if ($output ne '') {
186: return '<div style="padding:0;clear:both;margin:0;border:0"></div>'.
187: $output.
188: '<div style="padding:0;clear:both;margin:0;border:0"></div>';
189: }
190: return;
191: }
192:
193: sub end_essayresponse {
194: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
195: my $part = $Apache::inputtags::part;
196: my $id = $Apache::inputtags::response[-1];
197: my $increment = &Apache::response::repetition();
198: my $result;
199: if ( $target eq 'grade' ) {
200: &get_collaborators($part,$id);
201: # Scantron
202: if ( &Apache::response::submitted('scantron') ) {
203: $increment=&Apache::response::scored_response($part,$id);
204: } elsif ( &Apache::response::submitted() ) {
205: my $response = $env{'form.HWVAL_'.$id};
206: my $jspart=$part;
207: $jspart=~s/\./_/g;
208: my $filename = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'} ||
209: $env{'form.HWFILETOOBIG'.$part.'_'.$id};
210: my $portfiles = $env{'form.HWPORT'.$jspart.'_'.$id};
211: my @deletions = &Apache::loncommon::get_env_multiple('form.HWFILE'.$jspart.'_'.$id.'_delete');
212: my ($is_submit,$was_draft);
213: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
214: $is_submit = 1;
215: }
216: if ($Apache::lonhomework::history{"resource.$part.award"} eq 'DRAFT') {
217: $was_draft = 1;
218: }
219: if (($response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/) ||
220: (@deletions > 0) || ($was_draft && $is_submit)) {
221: my $award='DRAFT';
222: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
223: if ($Apache::lonhomework::type eq 'anonsurvey') {
224: $award='ANONYMOUS';
225: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
226: $award='ANONYMOUS_CREDIT';
227: } elsif ($Apache::lonhomework::type eq 'surveycred') {
228: $award='SUBMITTED_CREDIT';
229: } else {
230: $award='SUBMITTED';
231: }
232: }
233: my $uploadedflag=0;
234: my $totalsize=0;
235: &file_submission($part,$id,\$award,\$uploadedflag,\$totalsize,\@deletions);
236: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
237: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
238: my %previous=&Apache::response::check_for_previous($response,$part,$id);
239: if ($uploadedflag) {
240: if ($award eq 'FILENAME_INUSE') {
241: delete($Apache::lonhomework::results{"resource.$id.tries"});
242: }
243: } else {
244: &Apache::response::handle_previous(\%previous,$award);
245: }
246: #
247: # Store with resource author for similarity testing
248: #
249: if ($award eq 'SUBMITTED') {
250: my ($symb,$crsid,$domain,$name)=
251: &Apache::lonnet::whichuser();
252: if ($crsid) {
253: my $akey=join('.',&escape($name),&escape($domain),
254: &escape($crsid));
255: my $essayurl=
256: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
257: if ($essayurl eq 'lib/templates/simpleproblem.problem') {
258: my %crsinfo = &Apache::lonnet::coursedescription($crsid);
259: my $cdom = $crsinfo{'domain'};
260: my $cnum = $crsinfo{'num'};
261: my ($map,$id,$res) = &Apache::lonnet::decode_symb($symb);
262: if ($map =~ m{^\Quploaded/$cdom/$cnum/\E(default(?:|_\d+)\.(?:sequence|page))$}) {
263: my $apath = $1.'_'.$id;
264: $apath=~s/\W/\_/gs;
265: my $akey = join('.',&escape($name),&escape($domain));
266: &Apache::lonnet::put('nohist_essay_'.$apath,
267: { $akey => $response },$cdom,$cnum);
268: }
269: } else {
270: my ($adom,$aname,$apath)=
271: ($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
272: $apath=&escape($apath);
273: $apath=~s/\W/\_/gs;
274: &Apache::lonnet::put('nohist_essay_'.$apath,
275: { $akey => $response },$adom,$aname);
276: }
277: }
278: }
279: }
280: }
281: } elsif ($target eq 'edit') {
282: $result.=&Apache::edit::end_table();
283:
284: } elsif ($target eq 'tex'
285: && $Apache::lonhomework::type eq 'exam') {
286: $result .= &Apache::inputtags::exam_score_line($target);
287:
288: } elsif ($target eq 'answer') {
289: $result.=&Apache::response::answer_header($$tagstack[-1]);
290: my $answer = &mt('Essay will be hand graded.');
291: $result.=&Apache::response::answer_part($$tagstack[-1],$answer,
292: {'no_verbatim' => 1});
293: $result.=&Apache::response::answer_footer($$tagstack[-1]);
294: }
295: if ($target eq 'web') {
296: &Apache::response::setup_prior_tries_hash(\&format_prior_response,
297: ['portfiles',
298: 'uploadedurl']);
299: }
300:
301: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
302: $target eq 'tex' || $target eq 'analyze') {
303: &Apache::lonxml::increment_counter($increment, "$part.$id");
304:
305: if ($target eq 'analyze') {
306: $Apache::lonhomework::analyze{"$part.$id.type"} = 'essayresponse';
307: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
308: &Apache::lonhomework::set_bubble_lines();
309: }
310: }
311: &Apache::response::end_response;
312:
313: return $result;
314: }
315:
316: sub get_collaborators {
317: my ($part,$id) = @_;
318: my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
319: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"'
320: );
321: if ($collaborators ne $previous_list) {
322: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators;
323: }
324: }
325:
326: sub format_prior_response {
327: my ($mode,$answer,$other_data) = @_;
328: my $output;
329:
330: my (undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
331: my $port_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
332:
333: my $file_list;
334:
335: foreach my $file (split(/\s*,\s*/,
336: $other_data->[0].','.$other_data->[1])) {
337: next if ($file!~/\S/);
338: if ($file !~ m{^/uploaded/}) { $file=$port_url.$file; }
339: $file=~s|/+|/|g;
340: &Apache::lonnet::allowuploaded('/adm/essayresponse',$file);
341: $file_list.='<li><span class="LC_nobreak"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
342: &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
343: '</a></span></li>'."\n";
344: }
345: if ($file_list) {
346: $output.= &mt('Submitted Files').'<ul>'.$file_list.'</ul>';
347: }
348: if ($answer =~ /\S/) {
349: $output.='<p>'.&mt('Submitted text').
350: '<blockquote>'.&HTML::Entities::encode($answer, '"<>&').'</blockquote></p>';
351: }
352:
353: return '<div class="LC_prior_essay">'.$output.'</div>';
354: }
355:
356: sub file_submission {
357: my ($part,$id,$award,$uploadedflag,$totalsize,$deletions,$context,$info)=@_;
358: my $files;
359: my $jspart=$part;
360: $jspart=~s/\./_/g;
361: my ($symb,$crsid,$udom,$uname) = &Apache::lonnet::whichuser();
362: my %crsinfo = &Apache::lonnet::coursedescription($crsid);
363: my $cdom = $crsinfo{'domain'};
364: my $cnum = $crsinfo{'num'};
365: my (@portfiles,$uploadedurl,@submitted_portfiles,$submitted_upload,
366: @acceptable_portfiles,$acceptable_upload,@accepted_portfiles,
367: $accepted_upload,@savedportfiles,$stored_upload,@tolock,
368: %port_delete,$uploaded_delete);
369: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"} ||
370: $Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}) {
371: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}) {
372: my @possfiles = split(/,/,$Apache::lonhomework::history{"resource.$part.$id.portfiles"});
373: foreach my $file (@possfiles) {
374: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
375: my ($origname,$version,$ext) = &Apache::lonnet::file_name_version_ext($name);
376: unless ($version) {
377: push(@portfiles,$file);
378: }
379: }
380: }
381: $uploadedurl = $Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
382: if (ref($deletions) eq 'ARRAY') {
383: if (@{$deletions} > 0) {
384: foreach my $file (@{$deletions}) {
385: $file = &HTML::Entities::decode($file);
386: if (grep(/^\Q$file\E$/,@portfiles)) {
387: $port_delete{$file} = 1;
388: } elsif ($file =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/essayresponse/\Q$cdom\E/\Q$cnum\E/}) {
389: $uploaded_delete = $file;
390: } elsif ($file =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/essayresponse/[^/]+$}) {
391: $uploaded_delete = $file;
392: }
393: }
394: }
395: }
396: foreach my $current (@portfiles) {
397: unless ($port_delete{$current}) {
398: push(@savedportfiles,$current);
399: }
400: }
401: if ($uploaded_delete) {
402: if ($uploaded_delete eq $uploadedurl) {
403: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"} = "";
404: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"} = "";
405: } else {
406: undef($uploaded_delete);
407: }
408: }
409: }
410: if ($env{'form.HWPORT'.$jspart.'_'.$id} ne '') {
411: my $newfiles= $env{'form.HWPORT'.$jspart.'_'.$id};
412: $newfiles =~s/,$//;
413: if ($newfiles =~ /[^\s]/) {
414: foreach my $file (split(/\s*,\s*/,$newfiles)) {
415: if ($file =~ /[^\s]/) {
416: push(@submitted_portfiles,$file);
417: }
418: }
419: }
420: }
421: if ($env{'form.HWFILETOOBIG'.$part.'_'.$id} ne '') {
422: $$award = 'EXCESS_FILESIZE';
423: } elsif ($env{'form.HWFILE'.$jspart.'_'.$id.'.filename'} ne '') {
424: my $newfile = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
425: if ($newfile =~ /[^\s]/) {
426: $submitted_upload = $newfile;
427: }
428: }
429: if (@savedportfiles) {
430: foreach my $file (reverse(@savedportfiles)) {
431: unless(grep(/^\Q$file\E$/,@submitted_portfiles)) {
432: unshift(@submitted_portfiles,$file);
433: }
434: }
435: }
436: if (@submitted_portfiles || $submitted_upload) {
437: my $uploadedfiletypes=
438: &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
439: if ($uploadedfiletypes ne '') {
440: $uploadedfiletypes=~s/[^\w\,]//g;
441: $uploadedfiletypes=','.$uploadedfiletypes.',';
442: if (@submitted_portfiles) {
443: foreach my $file (@submitted_portfiles) {
444: my ($extension)=($file=~/\.(\w+)$/);
445: if ($uploadedfiletypes=~/\,\s*\Q$extension\E\s*\,/i) {
446: push(@acceptable_portfiles,$file);
447: }
448: }
449: }
450: if ($submitted_upload) {
451: my ($upload_ext)=($submitted_upload=~/\.(\w+)$/);
452: if ($uploadedfiletypes=~/\,\s*\Q$upload_ext\E\s*\,/i) {
453: $acceptable_upload = $submitted_upload;
454: } else {
455: $$award='INVALID_FILETYPE';
456: &delete_form_items($jspart,$id);
457: }
458: }
459: } else {
460: @acceptable_portfiles = @submitted_portfiles;
461: $acceptable_upload = $submitted_upload;
462: }
463: }
464: if ((@acceptable_portfiles) || ($acceptable_upload ne '')) {
465: my $maxfilesize=&Apache::lonnet::EXT("resource.$part".'_'."$id.maxfilesize");
466: if (!$maxfilesize) {
467: $maxfilesize = 10.0; #FIXME This should become a domain configuration
468: }
469: my %dirlist;
470: if (@acceptable_portfiles) {
471: foreach my $file (@acceptable_portfiles) {
472: my ($path,$filename) = ($file =~ m{^(.*/)([^/]+)$});
473: my $fullpath = '/userfiles/portfolio'.$path;
474: if (!exists($dirlist{$fullpath})) {
475: my ($listref,$listerror) =
476: &Apache::lonnet::dirlist($fullpath,$udom,$uname,1);
477: if (ref($listref) eq 'ARRAY') {
478: $dirlist{$fullpath} = $listref;
479: }
480: }
481: if (ref($dirlist{$fullpath}) eq 'ARRAY') {
482: foreach my $dir_line (@{$dirlist{$fullpath}}) {
483: my ($fname,$dom,undef,$testdir,undef,undef,undef,undef,
484: $size,undef,$mtime,undef,undef,undef,$obs,undef) =
485: split(/\&/,$dir_line,16);
486: if ($filename eq $fname) {
487: my $mbsize = $size/(1024.0*1024.0);
488: if (ref($totalsize)) {
489: $$totalsize += $mbsize;
490: }
491: last;
492: }
493: }
494: }
495: if (ref($totalsize)) {
496: if ($$totalsize > $maxfilesize) {
497: $$award='EXCESS_FILESIZE';
498: &delete_form_items($jspart,$id);
499: } else {
500: push(@accepted_portfiles,$file);
501: }
502: } else {
503: push(@accepted_portfiles,$file);
504: }
505: }
506: }
507: if ($acceptable_upload ne '') {
508: if (ref($totalsize)) {
509: $$totalsize += $env{'form.HWFILESIZE'.$jspart.'_'.$id};
510: if ($$totalsize > $maxfilesize) {
511: $$award='EXCESS_FILESIZE';
512: delete($env{'form.HWFILE'.$jspart.'_'.$id});
513: } else {
514: $accepted_upload = $acceptable_upload;
515: }
516: } else {
517: $accepted_upload = $acceptable_upload;
518: }
519: }
520: }
521: if ($accepted_upload ne '') {
522: my ($path,$multiresp) =
523: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom,
524: 'submission');
525: if ($path eq '') {
526: $$award = 'INTERNAL_ERROR';
527: } else {
528: if ($multiresp) {
529: $path .= '/'.$jspart.'_'.$id;
530: }
531: my $prefix = 'portfolio';
532: my $formelement = 'HWFILE'.$jspart.'_'.$id;
533: my $fname = &Apache::lonnet::clean_filename($env{'form.'.$formelement.'.filename'});
534: my $url = '/uploaded/'.$udom.'/'.$uname.'/'.$prefix.$path.'/'.$fname;
535: my @stat = &Apache::lonnet::stat_file($url);
536: my $conflicts = 0;
537: if (@stat && $stat[0] ne 'no_such_dir') {
538: my $current_permissions =
539: &Apache::lonnet::get_portfile_permissions($udom,$uname);
540: if (ref($current_permissions) eq 'HASH') {
541: if (ref($current_permissions->{$path.'/'.$fname}) eq 'ARRAY') {
542: foreach my $record (@{$current_permissions->{$path.'/'.$fname}}) {
543: if (ref($record) eq 'ARRAY') {
544: next if (($record->[0] eq $symb) &&
545: ($record->[1] eq $crsid));
546: $conflicts ++;
547: }
548: }
549: }
550: }
551: if ($conflicts) {
552: $$award = 'FILENAME_INUSE';
553: }
554: }
555: unless ($conflicts) {
556: my ($mode,%allfiles,%codebase);
557: my $result = &Apache::lonnet::userfileupload($formelement,'',
558: $prefix.$path,$mode,\%allfiles,\%codebase);
559: if ($result =~ m{^/uploaded/}) {
560: $stored_upload = $path.'/'.$fname;
561: unless (grep(/^\Q$stored_upload\E$/,@accepted_portfiles)) {
562: $Apache::lonhomework::results{"resource.$part.$id.portfiles"} = $stored_upload;
563: push(@tolock,$stored_upload);
564: }
565: } else {
566: $$award = 'INTERNAL_ERROR';
567: }
568: }
569: }
570: delete($env{'form.HWFILE'.$jspart.'_'.$id});
571: }
572: if (@accepted_portfiles) {
573: if ($Apache::lonhomework::results{"resource.$part.$id.portfiles"}) {
574: $Apache::lonhomework::results{"resource.$part.$id.portfiles"} .= ',';
575: }
576: $Apache::lonhomework::results{"resource.$part.$id.portfiles"}.=join(',',@accepted_portfiles);
577: push(@tolock,@accepted_portfiles);
578: }
579: if (!defined($Apache::lonhomework::results{"resource.$part.$id.portfiles"})) {
580: if (keys(%port_delete) > 0) {
581: $Apache::lonhomework::results{"resource.$part.$id.portfiles"} = "";
582: }
583: }
584: if (($Apache::lonhomework::history{"resource.$part.$id.portfiles"} ne
585: $Apache::lonhomework::results{"resource.$part.$id.portfiles"}) ||
586: ($uploaded_delete)) {
587: if (ref($uploadedflag)) {
588: $$uploadedflag=1;
589: }
590: }
591: if ($context eq 'externalresponse') {
592: my @todelete = map { "/uploaded/$udom/$uname/portfolio".$_; } keys(%port_delete);
593: if (@tolock || @todelete) {
594: if (ref($info) eq 'HASH') {
595: if (($info->{'ip'}) && ($info->{'is_submit'})) {
596: my @adds;
597: if (@tolock) {
598: @adds = map { "/uploaded/$udom/$uname/portfolio".$_; } @tolock;
599: }
600: &Apache::lonnet::automated_portfile_access('ip',\@adds,\@todelete,$info);
601: }
602: }
603: }
604: }
605: &Apache::lonnet::unmark_as_readonly($udom,$uname,[$symb,$crsid]);
606: &Apache::lonnet::mark_as_readonly($udom,$uname,[@tolock],[$symb,$crsid]);
607: &Apache::lonnet::clear_selected_files($uname);
608: return;
609: }
610:
611: sub delete_form_items {
612: my ($jspart,$id) = @_;
613: delete($env{'form.HWFILE'.$jspart.'_'.$id.'.filename'});
614: delete($env{'form.HWFILE'.$jspart.'_'.$id.'.mimetype'});
615: delete($env{'form.HWFILE'.$jspart.'_'.$id});
616: }
617:
618: sub check_collaborators {
619: my ($ncol,$coll) = @_;
620: my %classlist=&Apache::lonnet::dump('classlist',
621: $env{'course.'.$env{'request.course.id'}.'.domain'},
622: $env{'course.'.$env{'request.course.id'}.'.num'});
623: my (@badcollaborators,$result);
624:
625: my (@collaborators) = split(/[,;\s]+/,$coll);
626: foreach my $entry (@collaborators) {
627: my $collaborator;
628: if ($entry =~ /:/) {
629: $collaborator = $entry;
630: } else {
631: $collaborator = $entry.':'.$env{'user.domain'};
632: }
633: if ($collaborator !~ /^$match_username:$match_domain$/) {
634: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
635: push(@badcollaborators,$entry);
636: }
637: } elsif (!grep(/^\Q$collaborator\E$/i,keys(%classlist))) {
638: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
639: push(@badcollaborators,$entry);
640: }
641: }
642: }
643:
644: my $numbad = scalar(@badcollaborators);
645: if ($numbad) {
646: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td>';
647: if ($numbad == 1) {
648: $result .= &mt('The following user is invalid:');
649: } else {
650: $result .= &mt('The following [_1] users are invalid:',$numbad);
651: }
652: $result .= ' '.join(', ',@badcollaborators).'. '.&mt('Please correct.').
653: '</td></tr></table>';
654: }
655: my $toomany = scalar(@collaborators) - $ncol;
656: if ($toomany > 0) {
657: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
658: &mt('You have too many collaborators.').' '.
659: &mt('Please remove [quant,_1,collaborator].',$toomany).
660: '</td></tr></table>';
661: }
662: return $result;
663: }
664:
665: 1;
666: __END__
667:
668:
669: =pod
670:
671: =head1 NAME
672:
673: Apache::essayresponse
674:
675: =head1 SYNOPSIS
676:
677: Handler to evaluate essay (ungraded) style responses.
678:
679: This is part of the LearningOnline Network with CAPA project
680: described at http://www.lon-capa.org.
681:
682: =head1 SUBROUTINES
683:
684: =over
685:
686: =item start_essayresponse()
687:
688: =item draft_row()
689:
690: =item get_collab_row()
691:
692: =item show_status_table()
693:
694: =item end_essayresponse()
695:
696: =item get_collaborators()
697:
698: =item format_prior_response()
699:
700: =item file_submission()
701:
702: =item delete_form_items()
703:
704: =item check_collaborators()
705:
706: =back
707:
708: =cut
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