1: # The LearningOnline Network with CAPA
2: # external style responses
3: #
4: # $Id: externalresponse.pm,v 1.20 2013/08/22 07:39:15 kruse 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:
30:
31: package Apache::externalresponse;
32: use strict;
33: use HTTP::Request::Common;
34: use Apache::loncapagrade;
35: use Apache::lonnet;
36: use Apache::lonlocal;
37: use Apache::lonxml();
38: use Apache::lonhtmlcommon;
39: use Apache::loncommon;
40: use Apache::lonnavmaps;
41: use LONCAPA qw(:DEFAULT :match);
42:
43: BEGIN {
44: &Apache::lonxml::register('Apache::externalresponse',('externalresponse'));
45: }
46:
47: =pod
48:
49: =head1 FIXME (start_externalresponse)
50:
51: send of response params and their current values (form good enough? what parameters to send?)
52: Need to get returned message displayed
53:
54: =cut
55:
56:
57: sub start_externalresponse {
58: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
59: my $result;
60: my $id = &Apache::response::start_response($parstack,$safeeval);
61: if ($target eq 'edit') {
62: $result .=&Apache::edit::tag_start($target,$token);
63: $result .=&Apache::edit::text_arg('URL:','url',$token,60).'<br />';
64: $result .=&Apache::edit::text_arg(&mt('Answer:'),'answer',$token);
65: $result .=&Apache::edit::text_arg(&mt('Form:'),'form',$token).'<br />';
66: $result .=&Apache::edit::text_arg(&mt('Answer display:'),'answerdisplay',$token,80);
67: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
68: } elsif ($target eq 'modified') {
69: my $constructtag =
70: &Apache::edit::get_new_args($token,$parstack,$safeeval,
71: 'answerdisplay','answer','form','url');
72: if ($constructtag) {
73: $result = &Apache::edit::rebuild_tag($token);
74: }
75: } elsif ($target eq 'meta') {
76: $result=&Apache::response::meta_package_write('externalresponse');
77: }
78: elsif ($target eq 'web' &&
79: $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
80: my $part= $Apache::inputtags::part;
81: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
82: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
83: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
84: $uploadedfiletypes=~s/[^\w\,]//g;
85: my $maxfilesize=&Apache::lonnet::EXT("resource.$part".'_'."$id.maxfilesize");
86: if (!defined($maxfilesize)) {
87: $maxfilesize = 10.0; #FIXME This should become a domain configuration
88: }
89: if($uploadedfiletypes){
90: my $hiddendraft;
91: if (($Apache::lonhomework::type eq 'survey') ||
92: ($Apache::lonhomework::type eq 'surveycred') ||
93: ($Apache::lonhomework::type eq 'anonsurvey') ||
94: ($Apache::lonhomework::type eq 'anonsurveycred')) {
95: $hiddendraft = '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" />';
96: } else {
97: my $status_text = &mt('Submission type');
98: if ($Apache::lonhomework::history{"resource.$part.award"} eq 'DRAFT') {
99: $status_text .= '<br />'.&mt('(Currently -- draft)');
100: }
101: $result = &Apache::lonhtmlcommon::row_title($status_text);
102: my $closure;
103: unless ($ncol || $uploadedfiletypes) {
104: $closure = 1;
105: }
106: $result.=
107: '<label>'.
108: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
109: &mt('Submit entries below as answer to receive credit').
110: '</label> <br />'.
111: '<label>'.
112: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
113: &mt('Save entries below (not submitted for credit yet)').
114: '</label>'.
115: &Apache::lonhtmlcommon::row_closure($closure);
116: }
117:
118: if ($ncol > 0) {
119: $result.= &Apache::lonhtmlcommon::row_title(&mt('Collaborators')).
120: '<label>'.
121: &mt('Collaborators:').' <input type="text" size="70" max="80" name="HWCOL'.
122: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
123: &mt('Enter a maximum of [quant,_1,collaborator] using username or username:domain, e.g. smithje or smithje:[_2].',$ncol,$env{'user.domain'});
124: if ($ncol > 1) {
125: $result .= '<br />'.&mt('If entering more than one, use spaces to separate the collaborators.');
126: }
127: $result .= '</label><br />';
128: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
129: $result .= &Apache::lonhtmlcommon::row_closure();
130: }
131: my $filesfrom = 'both';
132: my $stuname = &Apache::lonnet::EXT('user.name');
133: my $studom = &Apache::lonnet::EXT('user.domain');
134: if (!&Apache::lonnet::usertools_access($stuname,$studom,'portfolio')) {
135: $filesfrom = 'uploadonly';
136: }
137: $result.=&Apache::inputtags::file_selector($part,$id,$uploadedfiletypes,
138: $filesfrom,undef,$maxfilesize);
139: if ($result) {
140: $result =
141: '<div>'.$hiddendraft.
142: &Apache::lonhtmlcommon::start_pick_box().
143: $result.
144: &Apache::lonhtmlcommon::end_pick_box().'</div>';
145: } else {
146: $result = $hiddendraft;
147: }
148: }
149: } elsif ($target eq 'web' &&
150: $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
151: my $part= $Apache::inputtags::part;
152: my @msgs;
153: if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
154: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
155: $result .= '<td><i>'.&mt('Collaborated with [_1]',$coll).'</i></td>';
156: }
157:
158: my $current_files_display = &Apache::inputtags::current_file_submissions($part,$id);
159: if ($current_files_display) {
160: $result .= '<td><b>'.&mt('Submitted files:').'</b><br />'.
161: $current_files_display.'</td>';
162: }
163:
164: if ($result ne '') {
165: $result =
166: '<table class="LC_pastsubmission"><tr>'.$result.
167: '</tr></table>';
168: }
169: }
170: return $result;
171: }
172:
173: sub end_externalresponse {
174: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
175: my $result;
176: my $part=$Apache::inputtags::part;
177: my $id = $Apache::inputtags::response['-1'];
178: my $increment = 1;
179: if ($target eq 'grade') {
180: my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
181: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
182: if ($collaborators ne $previous_list) {
183: # &Apache::lonnet::logthis("New collaborators [$collaborators] [$previous_list]");
184: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators;
185: }
186: if ( &Apache::response::submitted('scantron') ) {
187: my $increment=&Apache::response::scored_response($part,$id);
188: } elsif ( &Apache::response::submitted() ) {
189: my $response = &Apache::response::getresponse();
190: my $files = $Apache::lonhomework::history{"resource.$part.$id.portfiles"};
191: $files .= $Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
192: # &Apache::lonnet::logthis("Submitted Files : ". $files);
193: if (( $response =~ /[^\s]/) || $files) {
194: my $url = &Apache::lonxml::get_param('url',$parstack,$safeeval);
195: my $answer = &Apache::lonxml::get_param('answer',$parstack,$safeeval);
196: my %form = &Apache::lonxml::get_param_var('form',$parstack,$safeeval);
197: $form{'LONCAPA_student_response'}=$response;
198: $form{'LONCAPA_correct_answer'}=$answer;
199: $form{'LONCAPA_language'}=
200: &Apache::lonnet::metadata($ENV{'REQUEST_URI'},'language');
201: $form{'LONCAPA_student_submitted_files'} = $files;
202: &Apache::lonxml::debug("Asking $url, with:");
203: &Apache::lonhomework::showhash(%form);
204: my $udom = &Apache::lonnet::EXT('user.domain');
205: my $uname = &Apache::lonnet::EXT('user.name');
206: my $symb = $env{'resource.symb'};
207: my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
208: my $ua = LWP::UserAgent->new;
209: my $res = $ua->request(POST $url, \%form);
210: my %previous = &Apache::response::check_for_previous($response,
211: $part,$id);
212: %Apache::loncapagrade::results=();
213: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
214: if ($res->is_error()) {
215: $Apache::loncapagrade::results{'awarddetail'}='ERROR';
216: } else {
217: &Apache::lonxml::register('Apache::loncapagrade',
218: ('loncapagrade'));
219: @Apache::scripttag::parser_env = @_;
220: my $result=&Apache::scripttag::xmlparse($res->{_content});
221: &Apache::lonxml::debug("Got a result of :$result:");
222: }
223: foreach my $key (keys(%Apache::loncapagrade::results)) {
224: $Apache::lonhomework::results{"resource.$part.$id.$key"}=
225: $Apache::loncapagrade::results{$key};
226: }
227: $Apache::externalresponse::message=$Apache::loncapagrade::results{'message'};
228: &Apache::response::handle_previous(\%previous,
229: $Apache::loncapagrade::results{'awarddetail'});
230: if ($Apache::loncapagrade::results{'awarddetail'} eq 'ASSIGNED_SCORE') {
231: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
232: 1.*$Apache::loncapagrade::results{"awarded"};
233: }
234: &Apache::lonxml::debug("response of");
235: &Apache::lonhomework::showhash(%$res);
236: &Apache::lonxml::debug("capagrade of");
237: &Apache::lonhomework::showhash(%Apache::loncapagrade::results);
238: &Apache::lonxml::debug("results of");
239: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
240: }
241: my $response = $env{'form.HWVAL_'.$id};
242: my $jspart=$part;
243: $jspart=~s/\./_/g;
244: my $filename = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'} ||
245: $env{'form.HWFILETOOBIG'.$part.'_'.$id};
246: my $portfiles = $env{'form.HWPORT'.$jspart.'_'.$id};
247: my @deletions = &Apache::loncommon::get_env_multiple('form.HWFILE'.$jspart.'_'.$id.'_delete');
248: my ($is_submit,$was_draft);
249: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
250: $is_submit = 1;
251: }
252: if ($Apache::lonhomework::history{"resource.$part.award"} eq 'DRAFT') {
253: $was_draft = 1;
254: }
255: if (($response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/) ||
256: (@deletions > 0) || ($was_draft && $is_submit)) {
257: my $award='DRAFT';
258: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
259: if ($Apache::lonhomework::type eq 'anonsurvey') {
260: $award='ANONYMOUS';
261: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
262: $award='ANONYMOUS_CREDIT';
263: } elsif ($Apache::lonhomework::type eq 'surveycred') {
264: $award='SUBMITTED_CREDIT';
265: } else {
266: $award='SUBMITTED';
267: }
268: }
269: my $uploadedflag=0;
270: my $totalsize=0;
271: &file_submission($part,$id,\$award,\$uploadedflag,\$totalsize,\@deletions);
272: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
273: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
274: my %previous=&Apache::response::check_for_previous($response,$part,$id);
275: if ($uploadedflag) {
276: if ($award eq 'FILENAME_INUSE') {
277: delete($Apache::lonhomework::results{"resource.$id.tries"});
278: }
279: } else {
280: &Apache::response::handle_previous(\%previous,$award);
281: }
282: if ($award eq 'SUBMITTED') {
283: my ($symb,$crsid,$domain,$name)=
284: &Apache::lonnet::whichuser();
285: if ($crsid) {
286: my $akey=join('.',&escape($name),&escape($domain),
287: &escape($crsid));
288: my $essayurl=
289: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
290: my ($adom,$aname,$apath)=
291: ($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
292: $apath=&escape($apath);
293: $apath=~s/\W/\_/gs;
294: &Apache::lonnet::put('nohist_essay_'.$apath,
295: { $akey => $response },$adom,$aname);
296: }
297: }
298: }
299: }
300: }
301: if ($target eq 'web') {
302: &Apache::response::setup_prior_tries_hash(\&format_prior_response);
303: if (&Apache::response::show_answer()) {
304: $result.='<table border="1"><tr><th>'.&mt('Your answer:').'</th></tr><tr><td><pre>'.
305: $Apache::lonhomework::history{"resource.$part.$id.submission"}.
306: '</pre></td></table><br />'.&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval).
307: '<br />';
308: }
309: if ($Apache::externalresponse::message) {
310: $result.='<br /><table><tr><td bgcolor="#FFFFAA">'.$Apache::externalresponse::message.'</td></tr></table><br />';
311: }
312: $Apache::externalresponse::message='';
313: }
314:
315: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
316: $target eq 'tex' || $target eq 'analyze') {
317: &Apache::lonxml::increment_counter($increment, "$part.$id");
318:
319: if ($target eq 'analyze') {
320: $Apache::lonhomework::analyze{"$part.$id.type"} = 'externalresponse';
321: &Apache::lonhomework::set_bubble_lines();
322: }
323: }
324: elsif ($target eq 'edit') {
325: $result.=&Apache::edit::end_table();
326:
327: } elsif ($target eq 'tex'
328: && $Apache::lonhomework::type eq 'exam') {
329: $result .= &Apache::inputtags::exam_score_line($target);
330:
331: } elsif ($target eq 'answer') {
332: $result.=&Apache::response::answer_header($$tagstack[-1]);
333: my $answer = &mt('Essay will be hand graded.');
334: $result.=&Apache::response::answer_part($$tagstack[-1],$answer,
335: {'no_verbatim' => 1});
336: $result.=&Apache::response::answer_footer($$tagstack[-1]);
337: }
338: if ($target eq 'web') {
339: &Apache::response::setup_prior_tries_hash(\&format_prior_response,
340: ['portfiles',
341: 'uploadedurl']);
342: }
343:
344: if (($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
345: $target eq 'tex' || $target eq 'analyze')) {
346: &Apache::lonxml::increment_counter($increment, "$part.$id");
347:
348: if ($target eq 'analyze') {
349: $Apache::lonhomework::analyze{"$part.$id.type"} = 'essayresponse';
350: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
351: &Apache::lonhomework::set_bubble_lines();
352: }
353: }
354:
355:
356: &Apache::response::end_response();
357: return $result;
358: }
359:
360: sub format_prior_response {
361:
362:
363: my ($mode,$answer,$other_data) = @_;
364: my $output;
365:
366: my (undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
367: my $port_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
368:
369: my $file_list;
370:
371: foreach my $file (split(/\s*,\s*/,
372: $other_data->[0].','.$other_data->[1])) {
373: next if ($file!~/\S/);
374: if ($file !~ m{^/uploaded/}) { $file=$port_url.$file; }
375: $file=~s|/+|/|g;
376: &Apache::lonnet::allowuploaded('/adm/essayresponse',$file);
377: $file_list.='<li><span class="LC_nobreak"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.'</a></span></li>'."\n";
378: }
379: if ($file_list) {
380: $output.= &mt('Submitted Files').'<ul>'.$file_list.'</ul>';
381: }
382: if ($answer =~ /\S/) {
383: $output.='<p>'.&mt('Submitted text').'<blockquote>'.$answer.'</blockquote></p>';
384: }
385:
386: return '<div class="LC_prior_essay">'.$output.'</div>';
387: }
388:
389:
390:
391: sub file_submission {
392: my ($part,$id,$award,$uploadedflag,$totalsize,$deletions)=@_;
393: my $files;
394: my $jspart=$part;
395: $jspart=~s/\./_/g;
396: my ($symb,$crsid,$udom,$uname) = &Apache::lonnet::whichuser();
397: my %crsinfo = &Apache::lonnet::coursedescription($crsid);
398: my $cdom = $crsinfo{'domain'};
399: my $cnum = $crsinfo{'num'};
400: my (@portfiles,$uploadedurl,@submitted_portfiles,$submitted_upload,
401: @acceptable_portfiles,$acceptable_upload,@accepted_portfiles,
402: $accepted_upload,@savedportfiles,$stored_upload,@tolock,
403: %port_delete,$uploaded_delete);
404: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"} ||
405: $Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}) {
406: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}) {
407: @portfiles = split(/,/,$Apache::lonhomework::history{"resource.$part.$id.portfiles"});
408: }
409: $uploadedurl = $Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
410: if (ref($deletions) eq 'ARRAY') {
411: if (@{$deletions} > 0) {
412: foreach my $file (@{$deletions}) {
413: $file = &HTML::Entities::decode($file);
414: if (grep(/^\Q$file\E$/,@portfiles)) {
415: $port_delete{$file} = 1;
416: } elsif ($file =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/essayresponse/\Q$cdom\E/\Q$cnum\E/}) {
417: $uploaded_delete = $file;
418: } elsif ($file =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/essayresponse/[^/]+$}) {
419: $uploaded_delete = $file;
420: }
421: }
422: }
423: }
424: foreach my $current (@portfiles) {
425: unless ($port_delete{$current}) {
426: push(@savedportfiles,$current);
427: }
428: }
429: if ($uploaded_delete) {
430: if ($uploaded_delete eq $uploadedurl) {
431: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"} = "";
432: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"} = "";
433: } else {
434: undef($uploaded_delete);
435: }
436: }
437: }
438: if ($env{'form.HWPORT'.$jspart.'_'.$id} ne '') {
439: my $newfiles= $env{'form.HWPORT'.$jspart.'_'.$id};
440: $newfiles =~s/,$//;
441: if ($newfiles =~ /[^\s]/) {
442: foreach my $file (split(/\s*,\s*/,$newfiles)) {
443: if ($file =~ /[^\s]/) {
444: push(@submitted_portfiles,$file);
445: }
446: }
447: }
448: }
449: if ($env{'form.HWFILETOOBIG'.$part.'_'.$id} ne '') {
450: $$award = 'EXCESS_FILESIZE';
451: } elsif ($env{'form.HWFILE'.$jspart.'_'.$id.'.filename'} ne '') {
452: my $newfile = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
453: if ($newfile =~ /[^\s]/) {
454: $submitted_upload = $newfile;
455: }
456: }
457: if (@savedportfiles) {
458: foreach my $file (reverse(@savedportfiles)) {
459: unless(grep(/^\Q$file\E$/,@submitted_portfiles)) {
460: unshift(@submitted_portfiles,$file);
461: }
462: }
463: }
464: if (@submitted_portfiles || $submitted_upload) {
465: my $uploadedfiletypes=
466: &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
467: if ($uploadedfiletypes ne '') {
468: $uploadedfiletypes=~s/[^\w\,]//g;
469: $uploadedfiletypes=','.$uploadedfiletypes.',';
470: if (@submitted_portfiles) {
471: foreach my $file (@submitted_portfiles) {
472: my ($extension)=($file=~/\.(\w+)$/);
473: if ($uploadedfiletypes=~/\,\s*\Q$extension\E\s*\,/i) {
474: push(@acceptable_portfiles,$file);
475: }
476: }
477: }
478: if ($submitted_upload) {
479: my ($upload_ext)=($submitted_upload=~/\.(\w+)$/);
480: if ($uploadedfiletypes=~/\,\s*\Q$upload_ext\E\s*\,/i) {
481: $acceptable_upload = $submitted_upload;
482: } else {
483: $$award='INVALID_FILETYPE';
484: &delete_form_items($jspart,$id);
485: }
486: }
487: } else {
488: @acceptable_portfiles = @submitted_portfiles;
489: $acceptable_upload = $submitted_upload;
490: }
491: }
492: if ((@acceptable_portfiles) || ($acceptable_upload ne '')) {
493: my $maxfilesize=&Apache::lonnet::EXT("resource.$part".'_'."$id.maxfilesize");
494: if (!$maxfilesize) {
495: $maxfilesize = 10.0; #FIXME This should become a domain configuration
496: }
497: my %dirlist;
498: if (@acceptable_portfiles) {
499: foreach my $file (@acceptable_portfiles) {
500: my ($path,$filename) = ($file =~ m{^(.*/)([^/]+)$});
501: my $fullpath = '/userfiles/portfolio'.$path;
502: if (!exists($dirlist{$fullpath})) {
503: my ($listref,$listerror) =
504: &Apache::lonnet::dirlist($fullpath,$udom,$uname,1);
505: if (ref($listref) eq 'ARRAY') {
506: $dirlist{$fullpath} = $listref;
507: }
508: }
509: if (ref($dirlist{$fullpath}) eq 'ARRAY') {
510: foreach my $dir_line (@{$dirlist{$fullpath}}) {
511: my ($fname,$dom,undef,$testdir,undef,undef,undef,undef,
512: $size,undef,$mtime,undef,undef,undef,$obs,undef) =
513: split(/\&/,$dir_line,16);
514: if ($filename eq $fname) {
515: my $mbsize = $size/(1024.0*1024.0);
516: if (ref($totalsize)) {
517: $$totalsize += $mbsize;
518: }
519: last;
520: }
521: }
522: }
523: if (ref($totalsize)) {
524: if ($$totalsize > $maxfilesize) {
525: $$award='EXCESS_FILESIZE';
526: &delete_form_items($jspart,$id);
527: } else {
528: push(@accepted_portfiles,$file);
529: }
530: } else {
531: push(@accepted_portfiles,$file);
532: }
533: }
534: }
535: if ($acceptable_upload ne '') {
536: if (ref($totalsize)) {
537: $$totalsize += $env{'form.HWFILESIZE'.$jspart.'_'.$id};
538: if ($$totalsize > $maxfilesize) {
539: $$award='EXCESS_FILESIZE';
540: delete($env{'form.HWFILE'.$jspart.'_'.$id});
541: } else {
542: $accepted_upload = $acceptable_upload;
543: }
544: } else {
545: $accepted_upload = $acceptable_upload;
546: }
547: }
548: }
549: if ($accepted_upload ne '') {
550: my ($path,$multiresp) =
551: &Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom,
552: 'submission');
553: if ($path eq '') {
554: $$award = 'INTERNAL_ERROR';
555: } else {
556: if ($multiresp) {
557: $path .= '/'.$jspart.'_'.$id;
558: }
559: my $prefix = 'portfolio';
560: my $formelement = 'HWFILE'.$jspart.'_'.$id;
561: my $fname = &Apache::lonnet::clean_filename($env{'form.'.$formelement.'.filename'});
562: my $url = '/uploaded/'.$udom.'/'.$uname.'/'.$prefix.$path.'/'.$fname;
563: my @stat = &Apache::lonnet::stat_file($url);
564: my $conflicts = 0;
565: if (@stat && $stat[0] ne 'no_such_dir') {
566: my $current_permissions =
567: &Apache::lonnet::get_portfile_permissions($udom,$uname);
568: if (ref($current_permissions) eq 'HASH') {
569: if (ref($current_permissions->{$path.'/'.$fname}) eq 'ARRAY') {
570: foreach my $record (@{$current_permissions->{$path.'/'.$fname}}) {
571: if (ref($record) eq 'ARRAY') {
572: next if (($record->[0] eq $symb) &&
573: ($record->[1] eq $crsid));
574: $conflicts ++;
575: }
576: }
577: }
578: }
579: if ($conflicts) {
580: $$award = 'FILENAME_INUSE';
581: }
582: }
583: unless ($conflicts) {
584: my ($mode,%allfiles,%codebase);
585: my $result = &Apache::lonnet::userfileupload($formelement,'',
586: $prefix.$path,$mode,\%allfiles,\%codebase);
587: if ($result =~ m{^/uploaded/}) {
588: $stored_upload = $path.'/'.$fname;
589: unless (grep(/^\Q$stored_upload\E$/,@accepted_portfiles)) {
590: $Apache::lonhomework::results{"resource.$part.$id.portfiles"} = $stored_upload;
591: push(@tolock,$stored_upload);
592: }
593: } else {
594: $$award = 'INTERNAL_ERROR';
595: }
596: }
597: }
598: delete($env{'form.HWFILE'.$jspart.'_'.$id});
599: }
600: if (@accepted_portfiles) {
601: if ($Apache::lonhomework::results{"resource.$part.$id.portfiles"}) {
602: $Apache::lonhomework::results{"resource.$part.$id.portfiles"} .= ',';
603: }
604: $Apache::lonhomework::results{"resource.$part.$id.portfiles"}.=join(',',@accepted_portfiles);
605: push(@tolock,@accepted_portfiles);
606: }
607: if (!defined($Apache::lonhomework::results{"resource.$part.$id.portfiles"})) {
608: if (keys(%port_delete) > 0) {
609: $Apache::lonhomework::results{"resource.$part.$id.portfiles"} = "";
610: }
611: }
612: if (($Apache::lonhomework::history{"resource.$part.$id.portfiles"} ne
613: $Apache::lonhomework::results{"resource.$part.$id.portfiles"}) ||
614: ($uploaded_delete)) {
615: if (ref($uploadedflag)) {
616: $$uploadedflag=1;
617: }
618: }
619: &Apache::lonnet::unmark_as_readonly($udom,$uname,[$symb,$crsid]);
620: &Apache::lonnet::mark_as_readonly($udom,$uname,[@tolock],[$symb,$crsid]);
621: &Apache::lonnet::clear_selected_files($uname);
622: return;
623: }
624:
625: sub delete_form_items {
626: my ($jspart,$id) = @_;
627: delete($env{'form.HWFILE'.$jspart.'_'.$id.'.filename'});
628: delete($env{'form.HWFILE'.$jspart.'_'.$id.'.mimetype'});
629: delete($env{'form.HWFILE'.$jspart.'_'.$id});
630: }
631:
632: sub check_collaborators {
633: my ($ncol,$coll) = @_;
634: my %classlist=&Apache::lonnet::dump('classlist',
635: $env{'course.'.$env{'request.course.id'}.'.domain'},
636: $env{'course.'.$env{'request.course.id'}.'.num'});
637: my (@badcollaborators,$result);
638:
639: my (@collaborators) = split(/[,;\s]+/,$coll);
640: foreach my $entry (@collaborators) {
641: my $collaborator;
642: if ($entry =~ /:/) {
643: $collaborator = $entry;
644: } else {
645: $collaborator = $entry.':'.$env{'user.domain'};
646: }
647: if ($collaborator !~ /^$match_username:$match_domain$/) {
648: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
649: push(@badcollaborators,$entry);
650: }
651: } elsif (!grep(/^\Q$collaborator\E$/i,keys(%classlist))) {
652: if (!grep(/^\Q$entry\E$/,@badcollaborators)) {
653: push(@badcollaborators,$entry);
654: }
655: }
656: }
657:
658: my $numbad = scalar(@badcollaborators);
659: if ($numbad) {
660: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td>';
661: if ($numbad == 1) {
662: $result .= &mt('The following user is invalid:');
663: } else {
664: $result .= &mt('The following [_1] users are invalid:',$numbad);
665: }
666: $result .= ' '.join(', ',@badcollaborators).'. '.&mt('Please correct.').
667: '</td></tr></table>';
668: }
669: my $toomany = scalar(@collaborators) - $ncol;
670: if ($toomany > 0) {
671: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
672: &mt('You have too many collaborators.').' '.
673: &mt('Please remove [quant,_1,collaborator].',$toomany).
674: '</td></tr></table>';
675: }
676: return $result;
677: }
678:
679:
680:
681: 1;
682: __END__
683:
684:
685: =pod
686:
687: =head1 NAME
688:
689: Apache::externalresponse.pm
690:
691: =head1 SYNOPSIS
692:
693: Handler to evaluate externally graded responses.
694:
695: This is part of the LearningOnline Network with CAPA project
696: described at http://www.lon-capa.org.
697:
698: =head1 SUBROUTINES
699:
700: =over
701:
702: =item start_externalresponse()
703:
704: =item end_externalresponse()
705:
706: =item format_prior_response()
707:
708: =back
709:
710: =cut
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