1: # The LearningOnline Network
2: # "About Me" Personal Information
3: #
4: # $Id: lonaboutme.pm,v 1.78 2008/12/09 10:45:44 ehlerst 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: $candisplay = &Apache::lonnet::usertools_access($cnum,$cdom,'aboutme');
114: if ((!$candisplay) && ($env{'request.course.id'})) {
115: $candisplay = &aboutme_access($cnum,$cdom);
116: }
117: if (!$candisplay) {
118: if ($target eq 'tex') {
119: $r->print('\noindent{\large\textbf{'.&mt('No user home page available').'}}\\\\\\\\');
120: } else {
121: $r->print(&Apache::loncommon::start_page("Personal Information"));
122: $r->print('<h2>'.&mt('No user home page available') .'</h2>'.
123: &mt('This is a result of one of the following:').'<ul>'.
124: '<li>'.&mt('The administrator of this domain has disabled home page functionality for this specific user.').'</li>'.
125: '<li>'.&mt('The domain has been configured to disable, by default, home page functionality for all users in the domain.').'</li>'.
126: '</ul>');
127: $r->print(&Apache::loncommon::end_page());
128: }
129: return OK;
130: }
131: }
132:
133: # --------------------------------------------------------- The syllabus fields
134: my %syllabusfields=&Apache::lonlocal::texthash(
135: 'aaa_contactinfo' => 'Contact Information',
136: 'bbb_aboutme' => 'About Me',
137: 'ccc_webreferences' => 'Web References');
138:
139: # ------------------------------------------------------------ Get Query String
140: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
141: ['forceedit','forcestudent',
142: 'register','popup']);
143:
144: # ----------------------------------------------- Available Portfolio file display
145: if (($target ne 'tex') && ($action eq 'portfolio')) {
146: &display_portfolio_header($r,$is_course);
147: my ($blocked,$blocktext) =
148: &Apache::loncommon::blocking_status('port',$cnum,$cdom);
149: if (!$blocked) {
150: &display_portfolio_files($r,$is_course);
151: } else {
152: $r->print($blocktext);
153: }
154: $r->print(&Apache::loncommon::end_page());
155: return OK;
156: }
157:
158: if ($is_course) {
159: if ($target ne 'tex') {
160: my $start_page =
161: &Apache::loncommon::start_page(
162: "Course Information",
163: undef,
164: {'function' => $env{'forcestudent'},
165: 'domain' => $cdom,
166: 'force_register' => $env{'forceregister'},});
167: $r->print($start_page);
168: $r->print('<h2>'.&mt('Group files').'</h2>');
169: &print_portfiles_link($r,$is_course);
170: $r->print(&Apache::loncommon::end_page());
171: }
172: return OK;
173: }
174:
175: # --------------------------------------------------------------- Force Student
176: my $forcestudent='';
177: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
178:
179: my $forceregister = '';
180: if ($forcestudent eq '') {
181: $forceregister = $env{'form.register'};
182: }
183:
184: # --------------------------------------- There is such a user, get environment
185: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
186: if ($target ne 'tex') {
187: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
188: my $args = {'function' => $forcestudent,
189: 'domain' => $cdom,
190: 'force_register' => $forceregister};
191: if ($env{'form.popup'}) {
192: $args->{'no_nav_bar'} = 1;
193: }
194: my $start_page =
195: &Apache::loncommon::start_page("Personal Information",$rss_link,$args);
196: $r->print($start_page);
197: $r->print('<h2>'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
198: } else {
199: $r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
200: }
201: if ($courseenv{'nickname'}) {
202: $r->print(
203: '<h2>"'.$courseenv{'nickname'}.
204: '"</h2>');
205: }
206: if ($target ne 'tex') {
207: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');#OLD SendMessage POS
208: } else {
209: $r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
210: }
211: my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
212: my $allowed=0;
213:
214: # does this user have privileges to post, etc?
215:
216: my $privleged=$allowed=(($env{'user.name'} eq $cnum) &&
217: ($env{'user.domain'} eq $cdom));
218: if ($forcestudent or $target eq 'tex') { $allowed=0; }
219:
220: if ($allowed) {
221: my $query_string = &build_query_string({'forcestudent' => '1','popup' => $env{'form.popup'}});
222: $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
223: &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
224: '</p>'.
225: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).'</p><p><a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.
226: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
227: } elsif ($privleged && $target ne 'tex') {
228: my $query_string = &build_query_string({'forceedit' => '1','popup' => $env{'form.popup'}});
229: $r->print('<p><a href="'.$r->uri.$query_string.'">'.
230: &mt('Edit').'</a></p>');
231: }
232: if (($env{'form.uploaddoc.filename'}) &&
233: ($env{'form.storeupl'}) && ($allowed)) {
234: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
235: if ($syllabus{'uploaded.photourl'}) {
236: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
237: }
238: $syllabus{'uploaded.photourl'}=
239: &Apache::lonnet::userfileupload('uploaddoc',undef,'aboutme');
240: }
241: $syllabus{'uploaded.lastmodified'}=time;
242: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
243: }
244: if ($allowed && $env{'form.delupl'}) {
245: if ($syllabus{'uploaded.photourl'}) {
246: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
247: delete($syllabus{'uploaded.photourl'});
248: &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
249: }
250: }
251: if (($allowed) && ($env{'form.storesyl'})) {
252: foreach my $syl_field (keys(%syllabusfields)) {
253: my $field=$env{'form.'.$syl_field};
254: $field=~s/\s+$//s;
255: $field=&Apache::lonfeedback::clear_out_html($field,
256: $env{'user.adv'});
257: $syllabus{$syl_field}=$field;
258: }
259: $syllabus{'uploaded.lastmodified'}=time;
260: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
261: }
262:
263: my $lastmod;
264: my $image;
265: # ---------------------------------------------------------------- Get syllabus
266: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
267: $lastmod=$syllabus{'uploaded.lastmodified'};
268: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
269: # $r->print(&mt('Last updated').': '.$lastmod); #Old Last Modifi Pos
270: if ($syllabus{'uploaded.photourl'}) {
271: &Apache::lonnet::allowuploaded('/adm/aboutme',
272: $syllabus{'uploaded.photourl'});
273: $image=
274: qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'}" />};
275:
276: if ($target eq 'tex') {
277: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
278: }
279: # $r->print($image); #Print old Image
280: }
281: if ($allowed) {
282: $r->print(
283: '<form method="post">
284: <input type="submit" name="delupl" value="'.&mt('Delete Photo').'" />
285: </form>'.
286: '<form method="post" enctype="multipart/form-data">'.
287: '<h3>'.&mt('Upload a Photo').'</h3>'.
288: '<input type="file" name="uploaddoc" size="50" />'.
289: '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
290: '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
291: '</form><form method="post">');
292:
293: }
294: &Apache::lontemplate::start_columnSection($r);
295: &Apache::lontemplate::print_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);
296: if($target ne 'tex')
297: {
298: &Apache::lontemplate::print_image($r,$image);
299: &print_portfiles_link($r,$is_course);
300: $r->print('</div>');
301: $r->print('<p>');
302:
303:
304: $r->print('Kontakt');
305: $r->print(&Apache::loncommon::messagewrapper(&mt('Send me a message'),$cnum,$cdom).'</p>'.&Apache::lonrss::advertisefeeds($cnum,$cdom));
306:
307:
308: }
309:
310: if ($allowed) {
311: if ($env{'form.popup'}) {
312: $r->print('<input type="hidden" name="popup" value="'.
313: $env{'form.popup'}.'" />');
314: }
315: $r->print('</form>');
316: }
317: if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
318: } else {
319: $r->print('<p>'.&mt('No personal information provided').'.</p>');
320: }
321:
322: if ($target ne 'tex') {
323: # &print_portfiles_link($r,$is_course); #old Print files
324:
325: }
326:
327: if ($env{'request.course.id'}
328: && &Apache::lonnet::allowed('srm',$env{'request.course.id'})
329: && &in_course($cdom,$cnum)) {
330: if ($target ne 'tex') {
331: $r->print('<a name="coursecomment" />');
332: $r->print('<hr /><h3>'.
333: &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
334: &mt('Shared by course faculty and staff').
335: &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
336: '<br />');
337: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
338: $r->print('<hr />');
339: if (&Apache::lonnet::allowed('vsa',
340: $env{'request.course.id'}) ||
341: &Apache::lonnet::allowed('vsa',
342: $env{'request.course.id'}.'/'.
343: $env{'request.course.sec'})) {
344: $r->print(&Apache::loncommon::track_student_link
345: ('View recent activity by this student',
346: $cnum,$cdom).(' 'x2));
347: }
348: $r->print(&Apache::loncommon::noteswrapper('Add Records',$cnum,$cdom));
349: } else {
350: $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
351: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
352: }
353: }
354: if ($target ne 'tex') {
355: if ($env{'form.popup'}) {
356: $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
357: }
358: $r->print('<br />'.&mt('Last updated').': '.$lastmod);
359: &Apache::lontemplate::end_columnSection($r);
360: $r->print(&Apache::loncommon::end_page());
361: } else {
362: $r->print('\end{document}');
363: }
364:
365:
366:
367: return OK;
368: }
369:
370: sub in_course {
371: my ($udom,$uname,$cdom,$cnum,$type) = @_;
372: $type ||= 'any';
373: if (!defined($cdom) || !defined($cnum)) {
374: my $cid = $env{'request.course.id'};
375: $cdom = $env{'course.'.$cid.'.domain'};
376: $cnum = $env{'course.'.$cid.'.num'};
377: }
378: my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
379: my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
380: return 0 if (!@course_roles);
381: return 1 if ($type eq 'any');
382: my $now = time();
383: foreach my $role (@course_roles) {
384: my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
385: my $status = 'active';
386: if ($role_start > 0 && $now < $role_start) {
387: $status = 'future';
388: }
389: if ($role_end > 0 && $now > $role_end) {
390: $status = 'previous';
391: }
392: return 1 if ($status eq $type);
393: }
394: return 0;
395: }
396:
397: sub aboutme_info {
398: my ($r,$is_course) = @_;
399: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
400: my $name;
401: if (!$is_course) {
402: $name = &Apache::loncommon::plainname($cnum,$cdom);
403: }
404: return ($cdom,$cnum,$name);
405: }
406:
407: sub print_portfiles_link {
408: my ($r,$is_course) = @_;
409: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
410: my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
411: $cdom,$cnum,$name);
412: my $query_string = &build_query_string();
413: my $output;
414: my %lt = &Apache::lonlocal::texthash(
415: vpfi => 'Viewable portfolio files',
416: vgpf => 'Viewable group portfolio files',
417: difl => 'Display file listing',
418: );
419: if ($filecounts->{'both'} > 0) {
420: $output = '<div class="ContentBoxSpecial"><h4 class="hcell">';
421: $output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
422:
423: #$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
424: $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
425: $query_string.'">'.$lt{'difl'}.
426: '</a><br /><br />';
427: if ($filecounts->{'both'} == 1) {
428: if ($is_course) {
429: $output .= &mt('One group portfolio file is available.').'<ul>';
430: } else {
431: $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
432: }
433: } else {
434: if ($is_course) {
435: $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
436: } else {
437: $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
438: }
439: }
440: if ($filecounts->{'withoutpass'}) {
441: $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
442: }
443: if ($filecounts->{'withpass'}) {
444: $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
445: }
446: $output .= '</ul>';
447: $output .='</p>';
448: }
449: $r->print($output);
450: return;
451: }
452:
453: sub build_query_string {
454: my ($new_items) = @_;
455: my $query_string;
456: my @formelements = ('register');
457: my $new = 0;
458: if (ref($new_items) eq 'HASH') {
459: $new = 1;
460: if (!defined($new_items->{'forceedit'}) &&
461: !defined($new_items->{'forcestudent'})) {
462: push(@formelements,('forceedit','forcestudent'));
463: }
464: } else {
465: push(@formelements,('forceedit','forcestudent'));
466: }
467: foreach my $element (@formelements) {
468: if (exists($env{'form.'.$element})) {
469: if ((!$new) || (!defined($new_items->{$element}))) {
470: $query_string .= '&'.$element.'='.$env{'form.'.$element};
471: }
472: }
473: }
474: if ($new) {
475: foreach my $key (keys(%{$new_items})) {
476: $query_string .= '&'.$key.'='.$new_items->{$key};
477: }
478: }
479: $query_string =~ s/^\&/\?/;
480: return $query_string;
481: }
482:
483: sub display_portfolio_header {
484: my ($r,$is_course) = @_;
485: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
486: my $query_string = &build_query_string();
487: &Apache::lonhtmlcommon::clear_breadcrumbs();
488: my $forcestudent='';
489: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
490:
491: my $output;
492: if ($is_course) {
493: $output =
494: &Apache::loncommon::start_page('Viewable group portfolio files',undef,
495: {'function' => $forcestudent,
496: 'domain' => $cdom,});
497: $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
498: } else {
499: $output =
500: &Apache::loncommon::start_page('Viewable portfolio files',undef,
501: {'function' => $forcestudent,
502: 'domain' => $cdom,});
503: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
504: &Apache::lonhtmlcommon::add_breadcrumb
505: ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
506: text=>"Personal information - $name",
507: title=>"Go to personal information page for $name"}, {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
508: text=>"Viewable files - $name",
509: title=>"Viewable portfolio files for $name"}
510: );
511: $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
512: }
513: $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
514: }
515: $r->print($output);
516: return;
517: }
518:
519: sub display_portfolio_files {
520: my ($r,$is_course) = @_;
521: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
522: my %lt = ( withoutpass => 'passphrase not required',
523: withpass => 'passphrase protected',
524: both => 'all access types ',);
525: %lt = &Apache::lonlocal::texthash(%lt);
526:
527: my $portaccess = 'withoutpass';
528: if (exists($env{'form.portaccess'})) {
529: $portaccess = $env{'form.portaccess'};
530: }
531:
532: my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
533: .'" name="displaystatus" method="post">'.
534: &mt('File access type: ').'<select name="portaccess">';
535: foreach my $type ('withoutpass','withpass','both') {
536: $output .= '<option value="'.$type.'" ';
537: if ($portaccess eq $type) {
538: $output .= 'selected="selected"';
539: }
540: $output .= '>'.$lt{$type}.'</option>';
541: }
542: $output .= '</select>'."\n".
543: '<input type="submit" name="portaccessbutton" value="'.
544: &mt('Update display').'" />';
545: $output .= '</form><br /><br />';
546: $r->print($output);
547: my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
548: $cdom,$cnum,$name);
549: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
550: my $query_string = &build_query_string();
551: $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
552: '/aboutme'.$query_string.'">');
553: if ($is_course) {
554: $r->print(&mt('Course Information page'));
555: } else {
556: $r->print(&mt('Information about [_1]',$name));
557: }
558: $r->print('</a>');
559: }
560: return;
561: }
562:
563: sub portfolio_files {
564: my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
565: my $filecounts = {
566: withpass => 0,
567: withoutpass => 0,
568: both => 0,
569: };
570: my $current_permissions =
571: &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
572: my %access_controls =
573: &Apache::lonnet::get_access_controls($current_permissions);
574: my $portaccess;
575: if ($mode eq 'showlink') {
576: $portaccess = 'both';
577: } else {
578: $portaccess = 'withoutpass';
579: if (exists($env{'form.portaccess'})) {
580: $portaccess = $env{'form.portaccess'};
581: }
582: }
583:
584: my $diroutput;
585: if ($is_course) {
586: my %files_by_group;
587: foreach my $filename (sort(keys(%access_controls))) {
588: my ($group,$path) = split('/',$filename,2);
589: $files_by_group{$group}{$path} = $access_controls{$filename};
590: }
591: foreach my $group (sort(keys(%files_by_group))) {
592: my %fileshash;
593: my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
594: $is_course,$filecounts,$mode,
595: $files_by_group{$group},
596: \%fileshash,$group);
597: if ($grpout) {
598: $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
599: }
600: }
601: } else {
602: my %allfileshash;
603: $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
604: $filecounts,$mode,\%access_controls,
605: \%allfileshash);
606: }
607: if ($mode eq 'listfiles') {
608: if ($filecounts->{'both'}) {
609: $r->print($diroutput);
610: } else {
611: my $access_text;
612: if (ref($lt) eq 'HASH') {
613: $access_text = $lt->{$portaccess};
614: }
615: $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
616: }
617: }
618: return $filecounts;
619: }
620:
621: {
622: my $count=0;
623: sub portfolio_table_start {
624: $count=0;
625: return '<table class="LC_aboutme_port">';
626: }
627: sub portfolio_row_start {
628: $count++;
629: my $class = ($count%2)?'LC_odd_row'
630: :'LC_even_row';
631: return '<tr class="'.$class.'">';
632: }
633: }
634:
635: sub build_hierarchy {
636: my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
637: $allfileshash,$group) = @_;
638: foreach my $filename (sort(keys(%{$access_info}))) {
639: my $access_status =
640: &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group, $$access_info{$filename});
641: if ($portaccess eq 'both') {
642: if (($access_status ne 'ok') &&
643: ($access_status !~ /^[^:]+:guest_/)) {
644: next;
645: }
646: } elsif ($portaccess eq 'withoutpass') {
647: if ($access_status ne 'ok') {
648: next;
649: }
650: } elsif ($portaccess eq 'withpass') {
651: if ($access_status !~ /^[^:]+:guest_/) {
652: next;
653: }
654: }
655: if ($mode eq 'listfiles') {
656: $filename =~ s/^\///;
657: my @pathitems = split('/',$filename);
658: my $lasthash = $allfileshash;
659: while (@pathitems > 1) {
660: my $newlevel = shift(@pathitems);
661: if (!exists($lasthash->{$newlevel})) {
662: $lasthash->{$newlevel} = {};
663: }
664: $lasthash = $lasthash->{$newlevel};
665: }
666: $lasthash->{$pathitems[0]} = $filename;
667: }
668: if ($access_status eq 'ok') {
669: $filecounts->{'withoutpass'} ++;
670: } elsif ($access_status =~ /^[^:]+:guest_/) {
671: $filecounts->{'withpass'} ++;
672: }
673: }
674: $filecounts->{'both'} = $filecounts->{'withoutpass'} +
675: $filecounts->{'withpass'};
676: my $output;
677: if ($mode eq 'listfiles') {
678: if ($filecounts->{'both'} > 0) {
679: $output = &portfolio_table_start();
680: $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
681: $group);
682: $output .= '</table>';
683: }
684: }
685: return $output;
686: }
687:
688: sub parse_directory {
689: my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
690: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
691: $depth++;
692: my $output;
693:
694: my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
695: $group);
696: my $getpropath = 1;
697: my %dirlist = map {
698: ((split('&',$_,2))[0],1)
699: } &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
700: foreach my $item (sort(keys(%{$currhash}))) {
701: $output .= &portfolio_row_start();
702: $output .= '<td style="padding-left: '.($depth*25).'px">';
703: if (ref($currhash->{$item}) eq 'HASH') {
704: my $title=&HTML::Entities::encode($item,'<>&"');
705: $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
706: $output .= '</td><td></td></tr>';
707: $output .= &parse_directory($r,$depth,$currhash->{$item},
708: $path.'/'.$item,$is_course,$group);
709: } else {
710: my $file_name;
711: if ($currhash->{$item} =~ m|/([^/]+)$|) {
712: $file_name = $1;
713: } else {
714: $file_name = $currhash->{$item};
715: }
716: my $have_meta = exists($dirlist{$file_name.'.meta'});
717: my $url;
718: if ($is_course) {
719: $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
720: '/portfolio/'.$currhash->{$item};
721: } else {
722: $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
723: $currhash->{$item};
724: }
725: my $showname;
726: if ($have_meta) {
727: $showname = &Apache::lonnet::metadata($url,'title');
728: }
729: if ($showname eq '') {
730: $showname = $file_name;
731: } else {
732: $showname = $file_name.' ('.$showname.')';
733: }
734:
735: $showname=&HTML::Entities::encode($showname,'<>&"');
736: $output .= '<a href="'.$url.'">'.
737: '<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
738: ' '.$showname.'</a>';
739: $output.='</td><td>';
740: if ($have_meta) {
741: $output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Catalog Information').'" src="'.
742: &Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
743: '" class="LC_icon" /></a>';
744: }
745: $output .= '</td></tr>';
746: }
747: }
748: return $output;
749: }
750:
751: sub aboutme_access {
752: my ($uname,$udom) = @_;
753: my $privcheck = $env{'request.course.id'};
754: my $sec;
755: if ($env{'request.course.sec'} ne '') {
756: $sec = $env{'request.course.sec'};
757: $privcheck .= '/'.$sec;
758: }
759: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
760: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
761: if (($cdom eq '') || ($cnum eq '')) {
762: my %coursehash = &coursedescription($env{'request.course.id'});
763: $cdom = $coursehash{'domain'};
764: $cnum = $coursehash{'cnum'};
765: }
766: if ((&allowed('srm',$privcheck)) || (&allowed('dff',$privcheck))) {
767: if (&in_course($uname,$udom,$cnum,$cdom)) {
768: return 1;
769: }
770: }
771: return;
772: }
773:
774: 1;
775: __END__
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