1: # The LearningOnline Network
2: # "About Me" Personal Information
3: #
4: # $Id: lonaboutme.pm,v 1.84 2008/12/15 15:46:35 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: =pod
30:
31: =head1 NAME
32:
33: pache::lonaboutme
34:
35: =head1 SYNOPSIS
36:
37: (empty)
38:
39: This is part of the LearningOnline Network with CAPA project
40: described at http://www.lon-capa.org.
41:
42: =head1 OVERVIEW
43:
44: (empty)
45:
46:
47: =head1 SUBROUTINES
48:
49: =over
50:
51: =item handler()
52:
53: =item in_course()
54:
55: =item aboutme_info()
56:
57: =item print_portfiles_link()
58:
59: =item build_query_string()
60:
61: =item display_portfolio_header()
62:
63: =item display_portfolio_files()
64:
65: =item portfolio_files()
66:
67: =item build_hierarchy()
68:
69: =item parse_directory()
70:
71: =back
72:
73: =cut
74:
75:
76: package Apache::lonaboutme;
77:
78: use strict;
79: use Apache::Constants qw(:common);
80: use Apache::loncommon;
81: use Apache::lonnet;
82: use Apache::lontexconvert;
83: use Apache::lonfeedback;
84: use Apache::lonrss();
85: use Apache::lonlocal;
86: use Apache::lonmsgdisplay();
87: use Apache::lontemplate;
88: use HTML::Entities();
89:
90: sub handler {
91: my $r = shift;
92: &Apache::loncommon::content_type($r,'text/html');
93: $r->send_http_header;
94: return OK if $r->header_only;
95: my $target=$env{'form.grade_target'};
96: # ------------------------------------------------------------ Print the screen
97: if ($target eq 'tex') {
98: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
99: }
100: my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
101: my $is_course;
102: # Is this even a user?
103: if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
104: &Apache::loncommon::simple_error_page($r,'No info',
105: 'No user information available');
106: return OK;
107: } else {
108: $is_course = &Apache::lonnet::is_course($cdom,$cnum);
109: }
110:
111: my $candisplay = 1;
112: if (!$is_course) {
113: if ($action ne 'portfolio') {
114: $candisplay = &Apache::lonnet::usertools_access($cnum,$cdom,'aboutme');
115: if ((!$candisplay) && ($env{'request.course.id'})) {
116: $candisplay = &aboutme_access($cnum,$cdom);
117: }
118: if (!$candisplay) {
119: if ($target eq 'tex') {
120: $r->print('\noindent{\large\textbf{'.&mt('No user home page available').'}}\\\\\\\\');
121: } else {
122: $r->print(&Apache::loncommon::start_page("Personal Information"));
123: $r->print('<h2>'.&mt('No user home page available') .'</h2>'.
124: &mt('This is a result of one of the following:').'<ul>'.
125: '<li>'.&mt('The administrator of this domain has disabled home page functionality for this specific user.').'</li>'.
126: '<li>'.&mt('The domain has been configured to disable, by default, home page functionality for all users in the domain.').'</li>'.
127: '</ul>');
128: $r->print(&Apache::loncommon::end_page());
129: }
130: return OK;
131: }
132: }
133: }
134:
135: # --------------------------------------------------------- The syllabus fields
136: my %syllabusfields=&Apache::lonlocal::texthash(
137: 'aaa_contactinfo' => 'Contact Information',
138: 'bbb_aboutme' => 'About Me',
139: 'ccc_webreferences' => 'Web References');
140:
141: # ------------------------------------------------------------ Get Query String
142: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
143: ['forceedit','forcestudent',
144: 'register','popup']);
145:
146: # ----------------------------------------------- Available Portfolio file display
147: if (($target ne 'tex') && ($action eq 'portfolio')) {
148: &display_portfolio_header($r,$is_course);
149: if ((!$is_course) && (!&Apache::lonnet::usertools_access($cnum,$cdom,'portfolio'))) {
150: $r->print('<h2>'.&mt('No user portfolio available') .'</h2>'.
151: &mt('This is a result of one of the following:').'<ul>'.
152: '<li>'.&mt('The administrator of this domain has disabled portfolio functionality for this specific user.').'</li>'.
153: '<li>'.&mt('The domain has been configured to disable, by default, portfolio functionality for all users in the domain.').'</li>'.
154: '</ul>');
155: } else {
156: my ($blocked,$blocktext) =
157: &Apache::loncommon::blocking_status('port',$cnum,$cdom);
158: if (!$blocked) {
159: &display_portfolio_files($r,$is_course);
160: } else {
161: $r->print($blocktext);
162: }
163: }
164: $r->print(&Apache::loncommon::end_page());
165: return OK;
166: }
167:
168: if ($is_course) {
169: if ($target ne 'tex') {
170: my @brcrum = [{href=>"/adm/navmaps",text=>"Navigate Course Contents"},
171: {href=>"/adm/aboutme",text=>"Course Information"}];
172: my $start_page =
173: &Apache::loncommon::start_page(
174: "Course Information",
175: undef,
176: {'function' => $env{'forcestudent'},
177: 'domain' => $cdom,
178: 'force_register' => $env{'forceregister'},
179: bread_crumbs => @brcrum});
180: $r->print($start_page);
181: $r->print('<h2>'.&mt('Group files').'</h2>');
182: &print_portfiles_link($r,$is_course);
183: $r->print(&Apache::loncommon::end_page());
184: }
185: return OK;
186: }
187:
188: # --------------------------------------------------------------- Force Student
189: my $forcestudent='';
190: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
191:
192: my $forceregister = '';
193: if ($forcestudent eq '') {
194: $forceregister = $env{'form.register'};
195: }
196:
197: # --------------------------------------- There is such a user, get environment
198: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
199: if ($target ne 'tex') {
200: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
201: my $args = {'function' => $forcestudent,
202: 'domain' => $cdom,
203: 'force_register' => $forceregister};
204: if ($env{'form.popup'}) {
205: $args->{'no_nav_bar'} = 1;
206: }
207: $args->{'bread_crumbs'} = [{href=>"/adm/fhwfdev/$cnum/aboutme",text=>"Personal Information"}];
208: my $start_page =
209: &Apache::loncommon::start_page("Personal Information",$rss_link,$args);
210: $r->print($start_page);
211: $r->print('<h2>'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
212: } else {
213: $r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
214: }
215: if ($courseenv{'nickname'}) {
216: $r->print(
217: '<h2>"'.$courseenv{'nickname'}.
218: '"</h2>');
219: }
220: if ($target ne 'tex') {
221: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');#OLD SendMessage POS
222: } else {
223: $r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
224: }
225: my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
226: my $allowed=0;
227:
228: # does this user have privileges to post, etc?
229:
230: my $privleged=$allowed=(($env{'user.name'} eq $cnum) &&
231: ($env{'user.domain'} eq $cdom));
232: if ($forcestudent or $target eq 'tex') { $allowed=0; }
233:
234: if ($allowed) {
235: my $query_string = &build_query_string({'forcestudent' => '1','popup' => $env{'form.popup'}});
236: $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
237: &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
238: '</p>'.
239: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).'</p><p><a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.
240: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
241: } elsif ($privleged && $target ne 'tex') {
242: my $query_string = &build_query_string({'forceedit' => '1','popup' => $env{'form.popup'}});
243: $r->print('<p><a href="'.$r->uri.$query_string.'">'.
244: &mt('Edit').'</a></p>');
245: }
246: if (($env{'form.uploaddoc.filename'}) &&
247: ($env{'form.storeupl'}) && ($allowed)) {
248: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
249: if ($syllabus{'uploaded.photourl'}) {
250: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
251: }
252: $syllabus{'uploaded.photourl'}=
253: &Apache::lonnet::userphotoupload('uploaddoc','aboutme');
254: }
255: $syllabus{'uploaded.lastmodified'}=time;
256: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
257: }
258: if ($allowed && $env{'form.delupl'}) {
259: if ($syllabus{'uploaded.photourl'}) {
260: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
261: delete($syllabus{'uploaded.photourl'});
262: &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
263: }
264: }
265: if (($allowed) && ($env{'form.storesyl'})) {
266: foreach my $syl_field (keys(%syllabusfields)) {
267: my $field=$env{'form.'.$syl_field};
268: $field=~s/\s+$//s;
269: $field=&Apache::lonfeedback::clear_out_html($field,
270: $env{'user.adv'});
271: $syllabus{$syl_field}=$field;
272: }
273: $syllabus{'uploaded.lastmodified'}=time;
274: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
275: }
276:
277: my $lastmod;
278: my $image;
279: # ---------------------------------------------------------------- Get syllabus
280: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
281: $lastmod=$syllabus{'uploaded.lastmodified'};
282: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
283: # $r->print(&mt('Last updated').': '.$lastmod); #Old Last Modifi Pos
284: if ($syllabus{'uploaded.photourl'}) {
285: &Apache::lonnet::allowuploaded('/adm/aboutme',
286: $syllabus{'uploaded.photourl'});
287: $image=qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'}" />};
288:
289: if ($target eq 'tex') {
290: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
291: }
292: # $r->print($image); #Print old Image
293: }
294: if ($allowed) {
295: $r->print(
296: '<form method="post" enctype="multipart/form-data">'.
297: '<h3>'.&mt('Upload a Photo').'</h3>'.
298: '<input type="file" name="uploaddoc" size="50" />'.
299: '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
300: '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
301: '</form><form method="post"><input type="submit" name="delupl" value="'.&mt('Delete Photo').'" /> </form>
302: ');
303:
304: }
305: &Apache::lontemplate::start_columnSection($r);
306: &Apache::lontemplate::print_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);
307: if($target ne 'tex')
308: {
309: &Apache::lontemplate::start_ContentBox($r);
310: $r->print($image);
311: &Apache::lontemplate::send_message($r,$cnum,$cdom);
312: &Apache::lontemplate::end_ContentBox($r);
313: &Apache::lontemplate::end_columnSection($r);
314: &Apache::lontemplate::start_columnSection($r);
315: &Apache::lontemplate::start_ContentBox($r);
316: &print_portfiles_link($r,$is_course);
317: if(&Apache::lonrss::advertisefeeds($cnum,$cdom) ne ''){
318: $r->print('<div class="ContentBoxSpecial">');
319: $r->print('<h4 class="hcell">'.'RSS Feeds and Blogs'.'</h4>');
320: $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom));
321: $r->print('</div>');
322: }
323: &Apache::lontemplate::end_ContentBox($r);
324: &Apache::lontemplate::end_columnSection($r);
325: }
326:
327: if ($allowed) {
328: if ($env{'form.popup'}) {
329: $r->print('<input type="hidden" name="popup" value="'.
330: $env{'form.popup'}.'" />');
331: }
332: $r->print('</form>');
333: }
334: if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
335: } else {
336: $r->print('<p>'.&mt('No personal information provided').'.</p>');
337: }
338:
339: if ($target ne 'tex') {
340: # &print_portfiles_link($r,$is_course); #old Print files
341:
342: }
343:
344: if ($env{'request.course.id'}
345: && &Apache::lonnet::allowed('srm',$env{'request.course.id'})
346: && &in_course($cdom,$cnum)) {
347: if ($target ne 'tex') {
348: $r->print('<a name="coursecomment" />');
349: $r->print('<hr /><h3>'.
350: &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
351: &mt('Shared by course faculty and staff').
352: &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
353: '<br />');
354: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
355: $r->print('<hr />');
356: if (&Apache::lonnet::allowed('vsa',
357: $env{'request.course.id'}) ||
358: &Apache::lonnet::allowed('vsa',
359: $env{'request.course.id'}.'/'.
360: $env{'request.course.sec'})) {
361: $r->print(&Apache::loncommon::track_student_link
362: ('View recent activity by this student',
363: $cnum,$cdom).(' 'x2));
364: }
365: $r->print(&Apache::loncommon::noteswrapper('Add Records',$cnum,$cdom));
366: } else {
367: $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
368: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
369: }
370: }
371: if ($target ne 'tex') {
372: if ($env{'form.popup'}) {
373: $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
374: }
375: $r->print('<br />'.&mt('Last updated').': '.$lastmod);
376: $r->print(&Apache::loncommon::end_page());
377: } else {
378: $r->print('\end{document}');
379: }
380:
381:
382:
383: return OK;
384: }
385:
386: sub in_course {
387: my ($udom,$uname,$cdom,$cnum,$type) = @_;
388: $type ||= 'any';
389: if (!defined($cdom) || !defined($cnum)) {
390: my $cid = $env{'request.course.id'};
391: $cdom = $env{'course.'.$cid.'.domain'};
392: $cnum = $env{'course.'.$cid.'.num'};
393: }
394: my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
395: my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
396: return 0 if (!@course_roles);
397: return 1 if ($type eq 'any');
398: my $now = time();
399: foreach my $role (@course_roles) {
400: my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
401: my $status = 'active';
402: if ($role_start > 0 && $now < $role_start) {
403: $status = 'future';
404: }
405: if ($role_end > 0 && $now > $role_end) {
406: $status = 'previous';
407: }
408: return 1 if ($status eq $type);
409: }
410: return 0;
411: }
412:
413: sub aboutme_info {
414: my ($r,$is_course) = @_;
415: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
416: my $name;
417: if (!$is_course) {
418: $name = &Apache::loncommon::plainname($cnum,$cdom);
419: }
420: return ($cdom,$cnum,$name);
421: }
422:
423: sub print_portfiles_link {
424: my ($r,$is_course) = @_;
425: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
426: my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
427: $cdom,$cnum,$name);
428: my $query_string = &build_query_string();
429: my $output;
430: my %lt = &Apache::lonlocal::texthash(
431: vpfi => 'Viewable portfolio files',
432: vgpf => 'Viewable group portfolio files',
433: difl => 'Display file listing',
434: );
435: if ($filecounts->{'both'} > 0) {
436: $output = '<div class="ContentBoxSpecial"><h4 class="hcell">';
437: $output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
438:
439: #$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
440: $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
441: $query_string.'">'.$lt{'difl'}.
442: '</a><br /><br />';
443: if ($filecounts->{'both'} == 1) {
444: if ($is_course) {
445: $output .= &mt('One group portfolio file is available.').'<ul>';
446: } else {
447: $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
448: }
449: } else {
450: if ($is_course) {
451: $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
452: } else {
453: $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
454: }
455: }
456: if ($filecounts->{'withoutpass'}) {
457: $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
458: }
459: if ($filecounts->{'withpass'}) {
460: $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
461: }
462: $output .= '</ul>';
463: $output .='</p>';
464: $output .='</div>';
465: }
466: $r->print($output);
467: return;
468: }
469:
470: sub build_query_string {
471: my ($new_items) = @_;
472: my $query_string;
473: my @formelements = ('register');
474: my $new = 0;
475: if (ref($new_items) eq 'HASH') {
476: $new = 1;
477: if (!defined($new_items->{'forceedit'}) &&
478: !defined($new_items->{'forcestudent'})) {
479: push(@formelements,('forceedit','forcestudent'));
480: }
481: } else {
482: push(@formelements,('forceedit','forcestudent'));
483: }
484: foreach my $element (@formelements) {
485: if (exists($env{'form.'.$element})) {
486: if ((!$new) || (!defined($new_items->{$element}))) {
487: $query_string .= '&'.$element.'='.$env{'form.'.$element};
488: }
489: }
490: }
491: if ($new) {
492: foreach my $key (keys(%{$new_items})) {
493: $query_string .= '&'.$key.'='.$new_items->{$key};
494: }
495: }
496: $query_string =~ s/^\&/\?/;
497: return $query_string;
498: }
499:
500: sub display_portfolio_header {
501: my ($r,$is_course) = @_;
502: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
503: my $query_string = &build_query_string();
504: &Apache::lonhtmlcommon::clear_breadcrumbs();
505: my $forcestudent='';
506: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
507:
508: my $output;
509: if ($is_course) {
510: $output =
511: &Apache::loncommon::start_page('Viewable group portfolio files',undef,
512: {'function' => $forcestudent,
513: 'domain' => $cdom,});
514: $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
515: } else {
516: $output =
517: &Apache::loncommon::start_page('Viewable portfolio files',undef,
518: {'function' => $forcestudent,
519: 'domain' => $cdom,});
520: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
521: &Apache::lonhtmlcommon::add_breadcrumb
522: ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
523: text=>"Personal information - $name",
524: title=>"Go to personal information page for $name"}, {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
525: text=>"Viewable files - $name",
526: title=>"Viewable portfolio files for $name"}
527: );
528: $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
529: }
530: $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
531: }
532: $r->print($output);
533: return;
534: }
535:
536: sub display_portfolio_files {
537: my ($r,$is_course) = @_;
538: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
539: my %lt = ( withoutpass => 'passphrase not required',
540: withpass => 'passphrase protected',
541: both => 'all access types ',);
542: %lt = &Apache::lonlocal::texthash(%lt);
543:
544: my $portaccess = 'withoutpass';
545: if (exists($env{'form.portaccess'})) {
546: $portaccess = $env{'form.portaccess'};
547: }
548:
549: my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
550: .'" name="displaystatus" method="post">'.
551: &mt('File access type: ').'<select name="portaccess">';
552: foreach my $type ('withoutpass','withpass','both') {
553: $output .= '<option value="'.$type.'" ';
554: if ($portaccess eq $type) {
555: $output .= 'selected="selected"';
556: }
557: $output .= '>'.$lt{$type}.'</option>';
558: }
559: $output .= '</select>'."\n".
560: '<input type="submit" name="portaccessbutton" value="'.
561: &mt('Update display').'" />';
562: $output .= '</form><br /><br />';
563: $r->print($output);
564: my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
565: $cdom,$cnum,$name);
566: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
567: my $query_string = &build_query_string();
568: $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
569: '/aboutme'.$query_string.'">');
570: if ($is_course) {
571: $r->print(&mt('Course Information page'));
572: } else {
573: $r->print(&mt('Information about [_1]',$name));
574: }
575: $r->print('</a>');
576: }
577: return;
578: }
579:
580: sub portfolio_files {
581: my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
582: my $filecounts = {
583: withpass => 0,
584: withoutpass => 0,
585: both => 0,
586: };
587: my $current_permissions =
588: &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
589: my %access_controls =
590: &Apache::lonnet::get_access_controls($current_permissions);
591: my $portaccess;
592: if ($mode eq 'showlink') {
593: $portaccess = 'both';
594: } else {
595: $portaccess = 'withoutpass';
596: if (exists($env{'form.portaccess'})) {
597: $portaccess = $env{'form.portaccess'};
598: }
599: }
600:
601: my $diroutput;
602: if ($is_course) {
603: my %files_by_group;
604: foreach my $filename (sort(keys(%access_controls))) {
605: my ($group,$path) = split('/',$filename,2);
606: $files_by_group{$group}{$path} = $access_controls{$filename};
607: }
608: foreach my $group (sort(keys(%files_by_group))) {
609: my %fileshash;
610: my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
611: $is_course,$filecounts,$mode,
612: $files_by_group{$group},
613: \%fileshash,$group);
614: if ($grpout) {
615: $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
616: }
617: }
618: } else {
619: my %allfileshash;
620: $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
621: $filecounts,$mode,\%access_controls,
622: \%allfileshash);
623: }
624: if ($mode eq 'listfiles') {
625: if ($filecounts->{'both'}) {
626: $r->print($diroutput);
627: } else {
628: my $access_text;
629: if (ref($lt) eq 'HASH') {
630: $access_text = $lt->{$portaccess};
631: }
632: $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
633: }
634: }
635: return $filecounts;
636: }
637:
638: {
639: my $count=0;
640: sub portfolio_table_start {
641: $count=0;
642: return '<table class="LC_aboutme_port">';
643: }
644: sub portfolio_row_start {
645: $count++;
646: my $class = ($count%2)?'LC_odd_row'
647: :'LC_even_row';
648: return '<tr class="'.$class.'">';
649: }
650: }
651:
652: sub build_hierarchy {
653: my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
654: $allfileshash,$group) = @_;
655: foreach my $filename (sort(keys(%{$access_info}))) {
656: my $access_status =
657: &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group, $$access_info{$filename});
658: if ($portaccess eq 'both') {
659: if (($access_status ne 'ok') &&
660: ($access_status !~ /^[^:]+:guest_/)) {
661: next;
662: }
663: } elsif ($portaccess eq 'withoutpass') {
664: if ($access_status ne 'ok') {
665: next;
666: }
667: } elsif ($portaccess eq 'withpass') {
668: if ($access_status !~ /^[^:]+:guest_/) {
669: next;
670: }
671: }
672: if ($mode eq 'listfiles') {
673: $filename =~ s/^\///;
674: my @pathitems = split('/',$filename);
675: my $lasthash = $allfileshash;
676: while (@pathitems > 1) {
677: my $newlevel = shift(@pathitems);
678: if (!exists($lasthash->{$newlevel})) {
679: $lasthash->{$newlevel} = {};
680: }
681: $lasthash = $lasthash->{$newlevel};
682: }
683: $lasthash->{$pathitems[0]} = $filename;
684: }
685: if ($access_status eq 'ok') {
686: $filecounts->{'withoutpass'} ++;
687: } elsif ($access_status =~ /^[^:]+:guest_/) {
688: $filecounts->{'withpass'} ++;
689: }
690: }
691: $filecounts->{'both'} = $filecounts->{'withoutpass'} +
692: $filecounts->{'withpass'};
693: my $output;
694: if ($mode eq 'listfiles') {
695: if ($filecounts->{'both'} > 0) {
696: $output = &portfolio_table_start();
697: $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
698: $group);
699: $output .= '</table>';
700: }
701: }
702: return $output;
703: }
704:
705: sub parse_directory {
706: my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
707: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
708: $depth++;
709: my $output;
710:
711: my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
712: $group);
713: my $getpropath = 1;
714: my %dirlist = map {
715: ((split('&',$_,2))[0],1)
716: } &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
717: foreach my $item (sort(keys(%{$currhash}))) {
718: $output .= &portfolio_row_start();
719: $output .= '<td style="padding-left: '.($depth*25).'px">';
720: if (ref($currhash->{$item}) eq 'HASH') {
721: my $title=&HTML::Entities::encode($item,'<>&"');
722: $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
723: $output .= '</td><td></td></tr>';
724: $output .= &parse_directory($r,$depth,$currhash->{$item},
725: $path.'/'.$item,$is_course,$group);
726: } else {
727: my $file_name;
728: if ($currhash->{$item} =~ m|/([^/]+)$|) {
729: $file_name = $1;
730: } else {
731: $file_name = $currhash->{$item};
732: }
733: my $have_meta = exists($dirlist{$file_name.'.meta'});
734: my $url;
735: if ($is_course) {
736: $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
737: '/portfolio/'.$currhash->{$item};
738: } else {
739: $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
740: $currhash->{$item};
741: }
742: my $showname;
743: if ($have_meta) {
744: $showname = &Apache::lonnet::metadata($url,'title');
745: }
746: if ($showname eq '') {
747: $showname = $file_name;
748: } else {
749: $showname = $file_name.' ('.$showname.')';
750: }
751:
752: $showname=&HTML::Entities::encode($showname,'<>&"');
753: $output .= '<a href="'.$url.'">'.
754: '<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
755: ' '.$showname.'</a>';
756: $output.='</td><td>';
757: if ($have_meta) {
758: $output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Catalog Information').'" src="'.
759: &Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
760: '" class="LC_icon" /></a>';
761: }
762: $output .= '</td></tr>';
763: }
764: }
765: return $output;
766: }
767:
768: sub aboutme_access {
769: my ($uname,$udom) = @_;
770: my $privcheck = $env{'request.course.id'};
771: my $sec;
772: if ($env{'request.course.sec'} ne '') {
773: $sec = $env{'request.course.sec'};
774: $privcheck .= '/'.$sec;
775: }
776: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
777: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
778: if (($cdom eq '') || ($cnum eq '')) {
779: my %coursehash = &coursedescription($env{'request.course.id'});
780: $cdom = $coursehash{'domain'};
781: $cnum = $coursehash{'cnum'};
782: }
783: if ((&Apache::lonnet::allowed('srm',$privcheck)) ||
784: (&Apache::lonnet::allowed('dff',$privcheck))) {
785: if (&in_course($uname,$udom,$cnum,$cdom)) {
786: return 1;
787: }
788: }
789: return;
790: }
791:
792: 1;
793: __END__
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