1: # The LearningOnline Network
2: # Personal Information Page
3: #
4: # $Id: lonaboutme.pm,v 1.125 2009/04/15 10:49:30 bisitz 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: use Image::Magick;
90:
91: sub handler {
92: my $r = shift;
93: &Apache::loncommon::content_type($r,'text/html');
94: $r->send_http_header;
95: return OK if $r->header_only;
96: my $target=$env{'form.grade_target'};
97: # ------------------------------------------------------------ Print the screen
98: if ($target eq 'tex') {
99: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
100: }
101: my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
102: my $is_course;
103: # Is this even a user?
104: if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
105: &Apache::loncommon::simple_error_page($r,'No info',
106: 'No user information available');
107: return OK;
108: } else {
109: $is_course = &Apache::lonnet::is_course($cdom,$cnum);
110: }
111:
112: my $candisplay = 1;
113: if (!$is_course) {
114: if ($action ne 'portfolio') {
115: $candisplay = &Apache::lonnet::usertools_access($cnum,$cdom,'aboutme');
116: if ((!$candisplay) && ($env{'request.course.id'})) {
117: $candisplay = &aboutme_access($cnum,$cdom);
118: }
119: if (!$candisplay) {
120: if ($target eq 'tex') {
121: $r->print('\noindent{\large\textbf{'.&mt('No user personal information page available').'}}\\\\\\\\');
122: } else {
123: $r->print(&Apache::loncommon::start_page("Personal Information Page"));
124: $r->print('<h2>'.&mt('No user personal information page available') .'</h2>'.
125: &mt('This is a result of one of the following:').'<ul>'.
126: '<li>'.&mt('The administrator of this domain has disabled personal information page functionality for this specific user.').'</li>'.
127: '<li>'.&mt('The domain has been configured to disable, by default, personal information page functionality for all users in the domain.').'</li>'.
128: '</ul>');
129: $r->print(&Apache::loncommon::end_page());
130: }
131: return OK;
132: }
133: }
134: }
135:
136: # --------------------------------------------------------- The syllabus fields
137: my %syllabusfields=&Apache::lonlocal::texthash(
138: 'aaa_contactinfo' => 'Contact Information',
139: 'bbb_aboutme' => 'Personal Information',
140: 'ccc_webreferences' => 'Web References');
141:
142: # ------------------------------------------------------------ Get Query String
143: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
144: ['forceedit','forcestudent',
145: 'register','popup']);
146:
147: # ----------------------------------------------- Available Portfolio file display
148: if (($target ne 'tex') && ($action eq 'portfolio')) {
149: &display_portfolio_header($r,$is_course);
150: if ((!$is_course) && (!&Apache::lonnet::usertools_access($cnum,$cdom,'portfolio'))) {
151: $r->print('<h2>'.&mt('No user portfolio available') .'</h2>'.
152: &mt('This is a result of one of the following:').'<ul>'.
153: '<li>'.&mt('The administrator of this domain has disabled portfolio functionality for this specific user.').'</li>'.
154: '<li>'.&mt('The domain has been configured to disable, by default, portfolio functionality for all users in the domain.').'</li>'.
155: '</ul>');
156: } else {
157: my ($blocked,$blocktext) =
158: &Apache::loncommon::blocking_status('port',$cnum,$cdom);
159: if (!$blocked) {
160: &display_portfolio_files($r,$is_course);
161: } else {
162: $r->print($blocktext);
163: }
164: }
165: $r->print(&Apache::loncommon::end_page());
166: return OK;
167: }
168:
169: if ($is_course) {
170: if ($target ne 'tex') {
171: my $brcrum = [{href=>"/adm/navmaps",text=>"Navigate Course Contents"},
172: {href=>"/adm/aboutme",text=>"Course Information"}];
173: my $start_page =
174: &Apache::loncommon::start_page(
175: "Course Information",
176: undef,
177: {'function' => $env{'forcestudent'},
178: 'domain' => $cdom,
179: 'force_register' => $env{'forceregister'},
180: 'bread_crumbs' => $brcrum});
181: $r->print($start_page);
182: $r->print('<h2>'.&mt('Group Portfolio').'</h2>');
183: &print_portfiles_link($r,$is_course);
184: $r->print(&Apache::loncommon::end_page());
185: }
186: return OK;
187: }
188:
189: # --------------------------------------------------------------- Force Student
190: my $forcestudent='';
191: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
192:
193: my $forceregister = '';
194: if ($forcestudent eq '') {
195: $forceregister = $env{'form.register'};
196: }
197:
198: #------------Get rights
199: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
200: my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
201: my $allowed=0;
202: my $privleged=$allowed=(($env{'user.name'} eq $cnum) &&
203: ($env{'user.domain'} eq $cdom));
204: if ($forcestudent or $target eq 'tex') { $allowed=0; }
205:
206:
207: # --------------------------------------- There is such a user, get environment
208:
209: if ($target ne 'tex') {
210: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
211: my $args = {'function' => $forcestudent,
212: 'domain' => $cdom,
213: 'force_register' => $forceregister};
214: if ($env{'form.popup'}) {
215: $args->{'no_nav_bar'} = 1;
216: }
217: $args->{'bread_crumbs'} = [{href=>"/adm/fhwfdev/$cnum/aboutme",text=>"Personal Information Page"}];
218: my $start_page =
219: &Apache::loncommon::start_page("Personal Data",$rss_link,$args);
220: $r->print($start_page);
221:
222: }
223:
224: #Print Privacy Note
225: if ($allowed) {
226: $r->print('<div class="LC_info">'
227: .'<b>'.&mt('Privacy Note:').'</b> '
228: .&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.')
229: .'</div>'
230: );
231: }
232:
233: #Print last modified
234:
235: my $lastmod;
236: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
237: $lastmod=$syllabus{'uploaded.lastmodified'};
238: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
239: $r->print('<div class="LC_info">');
240: $r->print(&mt('Last updated').': '.$lastmod . '');
241: $r->print('</div>');
242: }
243: #Print Help Text
244: if ($target ne 'tex') {
245: if($allowed){
246: $r->print(&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')));
247: }
248: }
249:
250: #----------------Print Functions
251: if ($target ne 'tex'){
252: $r->print(&Apache::lontemplate::start_functionslist());
253: if($allowed){
254: my $query_string = &build_query_string({'forcestudent' => '1','popup' => $env{'form.popup'}});
255: $r->print(&Apache::lontemplate::item_functionslist(
256: '<a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'
257: .&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView')));
258: }elsif($privleged){
259: my $query_string = &build_query_string({'forceedit' => '1','popup' => $env{'form.popup'}});
260: $r->print(&Apache::lontemplate::item_functionslist(
261: '<a href="'.$r->uri.$query_string.'">'. &mt('Edit').'</a>'));
262: }
263: $r->print(&Apache::lontemplate::item_functionslist(
264: &Apache::lontemplate::send_message($r,$cnum,$cdom)));
265:
266: if ($env{'request.course.id'} && &Apache::lonnet::allowed('srm',$env{'request.course.id'}) && &in_course($cdom,$cnum)) {
267: if (&Apache::lonnet::allowed('vsa', $env{'request.course.id'}) || &Apache::lonnet::allowed('vsa', $env{'request.course.id'}.'/'.
268: $env{'request.course.sec'})) {
269: $r->print(&Apache::lontemplate::item_functionslist(
270: &Apache::loncommon::track_student_link('View recent activity by this student',$cnum,$cdom)));
271: }
272: if (&Apache::lonnet::allowed('vgr', $env{'request.course.id'}) ||
273: &Apache::lonnet::allowed('vgr', $env{'request.course.id'}.'/'.
274: $env{'request.course.sec'})) {
275: $r->print(&Apache::lontemplate::item_functionslist(
276: &Apache::loncommon::slot_reservations_link('Slot reservation history',$cnum,$cdom)));
277: }
278: $r->print(&Apache::lontemplate::item_functionslist(
279: &Apache::loncommon::noteswrapper(&mt('Add Records'),$cnum,$cdom)));
280: }
281: $r->print(&Apache::lontemplate::end_functionslist());
282: }
283: #------Print Headtitle
284: if ($target ne 'tex') {
285: $r->print('<div class="LC_ContentBoxSpecial">');
286: $r->print('<h2 class="LC_hcell">'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
287: $r->print('<blockquote>');
288: if ($courseenv{'nickname'}) {
289: $r->print('<h2>"'.$courseenv{'nickname'}.'"</h2>');
290: }
291: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
292: }
293: else {
294: $r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
295: $r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
296: }
297: # does this user have privileges to post, etc?
298:
299:
300: my $query_string;
301:
302: if (($env{'form.uploaddoc.filename'}) &&
303: ($env{'form.storeupl'}) && ($allowed)) {
304: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
305: if ($syllabus{'uploaded.photourl'}) {
306: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
307: }
308: $syllabus{'uploaded.photourl'}=
309: &Apache::lonnet::userphotoupload('uploaddoc','aboutme');
310: }
311: $syllabus{'uploaded.lastmodified'}=time;
312: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
313: }
314: if ($allowed && $env{'form.delupl'}) {
315: if ($syllabus{'uploaded.photourl'}) {
316: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
317: delete($syllabus{'uploaded.photourl'});
318: &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
319: }
320: }
321: if (($allowed) && ($env{'form.storesyl'})) {
322: foreach my $syl_field (keys(%syllabusfields)) {
323: my $field=$env{'form.'.$syl_field};
324: $field=~s/\s+$//s;
325: $field=&Apache::lonfeedback::clear_out_html($field,
326: $env{'user.adv'});
327: $syllabus{$syl_field}=$field;
328: }
329: $syllabus{'uploaded.lastmodified'}=time;
330: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
331: }
332:
333: my $image;
334: # ---------------------------------------------------------------- Get syllabus
335: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
336: if ($syllabus{'uploaded.photourl'}) {
337: &Apache::lonnet::allowuploaded('/adm/aboutme',
338: $syllabus{'uploaded.photourl'});
339:
340: #This call is to resize all "Personal Information" images in the LonCapa System. When its done, you can remove this line.
341: &Apache::lonnet::resizeImage(&Apache::lonnet::filelocation('',$syllabus{'uploaded.photourl'}));
342: #---End Resize---
343:
344: $image=qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'} " class="LC_AboutMe_Image" />};
345:
346: if ($target eq 'tex') {
347: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
348: }
349:
350: }
351:
352: if ($allowed) {
353: $r->print(
354: '<form method="post" enctype="multipart/form-data">'.
355: '<h3>'.&mt('Upload a Photo').'</h3>'.
356: '<input type="file" name="uploaddoc" size="50" />'.
357: '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
358: '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
359: '</form>');
360: if ($syllabus{'uploaded.photourl'}) {
361: $r->print('<form method="post"><input type="submit" name="delupl" value="'.&mt('Delete Photo').'" /> </form>')
362: }
363: $r->print('<p>');
364: }
365:
366: if($allowed) {
367: $r->print('<form method="post">');
368: }
369:
370: if($target ne 'tex') #print Image
371: {
372: &Apache::lontemplate::start_ContentBox($r);
373: &Apache::lontemplate::end_ContentBox($r);
374: $r->print($image);
375:
376: }#End Print Image
377:
378: #Print Content eg. Contactinfo aboutme,...
379: &Apache::lontemplate::print_aboutme_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);
380: #End Print Content
381:
382: if($target ne 'tex')#Begin Print RSS and portfiles
383: {
384: &print_portfiles_link($r,$is_course);
385: if(&Apache::lonrss::advertisefeeds($cnum,$cdom) ne ''){
386: &Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_ContentBoxSpecial');
387: $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom));
388: &Apache::lontemplate::print_end_template($r);
389: }
390:
391: } #End Print RSS and portfiles
392:
393:
394: if ($allowed) {
395: if ($env{'form.popup'}) {
396: $r->print('<input type="hidden" name="popup" value="'.
397: $env{'form.popup'}.'" />');
398: }
399: $r->print('</form>');
400: }
401: if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
402: } else {
403: # &Apache::lontemplate::send_message($r,$cnum,$cdom);
404: $r->print('<p>'.&mt('No personal information provided').'.</p>');
405: }
406: if($target ne 'tex'){
407: #$r->print('</blockquote>');
408: #$r->print('</div>');
409: }
410:
411: if ($env{'request.course.id'}
412: && &Apache::lonnet::allowed('srm',$env{'request.course.id'})
413: && &in_course($cdom,$cnum)) {
414: if ($target ne 'tex') {
415: $r->print('<a name="coursecomment" />');
416: &Apache::lontemplate::print_start_template($r,&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course'),'LC_ContentBoxSpecial');
417: $r->print('<span class="LC_info">');
418: $r->print(&mt('Shared by course faculty and staff').&Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message"));
419: $r->print('</span> <p>');
420: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
421: $r->print('</p>');
422: &Apache::lontemplate::print_end_template($r);
423:
424: } else {
425: $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
426: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
427: }
428: }
429: $r->print('</blockquote>');
430: $r->print('</div>');
431: if ($target ne 'tex') {
432: if ($env{'form.popup'}) {
433: $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
434: }
435: $r->print(&Apache::loncommon::end_page());
436: } else {
437: $r->print('\end{document}');
438: }
439:
440:
441:
442: return OK;
443: }
444:
445: sub in_course {
446: my ($udom,$uname,$cdom,$cnum,$type) = @_;
447: $type ||= 'any';
448: if (!defined($cdom) || !defined($cnum)) {
449: my $cid = $env{'request.course.id'};
450: $cdom = $env{'course.'.$cid.'.domain'};
451: $cnum = $env{'course.'.$cid.'.num'};
452: }
453: my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
454: my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
455: return 0 if (!@course_roles);
456: return 1 if ($type eq 'any');
457: my $now = time();
458: foreach my $role (@course_roles) {
459: my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
460: my $status = 'active';
461: if ($role_start > 0 && $now < $role_start) {
462: $status = 'future';
463: }
464: if ($role_end > 0 && $now > $role_end) {
465: $status = 'previous';
466: }
467: return 1 if ($status eq $type);
468: }
469: return 0;
470: }
471:
472: sub aboutme_info {
473: my ($r,$is_course) = @_;
474: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
475: my $name;
476: if (!$is_course) {
477: $name = &Apache::loncommon::plainname($cnum,$cdom);
478: }
479: return ($cdom,$cnum,$name);
480: }
481:
482: sub print_portfiles_link {
483: my ($r,$is_course) = @_;
484: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
485: my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
486: $cdom,$cnum,$name);
487: my $query_string = &build_query_string();
488: my $output;
489: my %lt = &Apache::lonlocal::texthash(
490: 'vpfi' => 'Viewable portfolio files',
491: 'vgpf' => 'Viewable group portfolio files',
492: 'difl' => 'Display file listing',
493: );
494: if ($filecounts->{'both'} > 0) {
495: $output = '<div class="LC_ContentBoxSpecial"><h4 class="LC_hcell">';
496: $output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4><div class="LC_BoxPadding">';
497:
498: #$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
499: $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
500: $query_string.'">'.$lt{'difl'}.
501: '</a><br /><br />';
502: if ($filecounts->{'both'} == 1) {
503: if ($is_course) {
504: $output .= &mt('One group portfolio file is available.').'<ul>';
505: } else {
506: $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
507: }
508: } else {
509: if ($is_course) {
510: $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
511: } else {
512: $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
513: }
514: }
515: if ($filecounts->{'withoutpass'}) {
516: $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
517: }
518: if ($filecounts->{'withpass'}) {
519: $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
520: }
521: $output .= '</ul>';
522: $output .='</p>';
523: $output .='</div></div>';
524: }
525: $r->print($output);
526: return;
527: }
528:
529: sub build_query_string {
530: my ($new_items) = @_;
531: my $query_string;
532: my @formelements = ('register');
533: my $new = 0;
534: if (ref($new_items) eq 'HASH') {
535: $new = 1;
536: if (!defined($new_items->{'forceedit'}) &&
537: !defined($new_items->{'forcestudent'})) {
538: push(@formelements,('forceedit','forcestudent'));
539: }
540: } else {
541: push(@formelements,('forceedit','forcestudent'));
542: }
543: foreach my $element (@formelements) {
544: if (exists($env{'form.'.$element})) {
545: if ((!$new) || (!defined($new_items->{$element}))) {
546: $query_string .= '&'.$element.'='.$env{'form.'.$element};
547: }
548: }
549: }
550: if ($new) {
551: foreach my $key (keys(%{$new_items})) {
552: $query_string .= '&'.$key.'='.$new_items->{$key};
553: }
554: }
555: $query_string =~ s/^\&/\?/;
556: return $query_string;
557: }
558:
559: sub display_portfolio_header {
560: my ($r,$is_course) = @_;
561: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
562: my $query_string = &build_query_string();
563: &Apache::lonhtmlcommon::clear_breadcrumbs();
564: my $forcestudent='';
565: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
566:
567: my $output;
568: if ($is_course) {
569: $output =
570: &Apache::loncommon::start_page('Viewable group portfolio files',undef,
571: {'function' => $forcestudent,
572: 'domain' => $cdom,});
573: $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
574: } else {
575: $output =
576: &Apache::loncommon::start_page('Viewable portfolio files',undef,
577: {'function' => $forcestudent,
578: 'domain' => $cdom,});
579: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
580: &Apache::lonhtmlcommon::add_breadcrumb
581: ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
582: text=>&mt('Personal Information Page - [_1]',$name),
583: title=>&mt('Go to personal information page for [_1]', $name)},
584: {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
585: text=>&mt('Viewable files - [_1]', $name),
586: title=>&mt('Viewable portfolio files for [_1]', $name)}
587: );
588: $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
589: }
590: $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
591: }
592: $r->print($output);
593: return;
594: }
595:
596: sub display_portfolio_files {
597: my ($r,$is_course) = @_;
598: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
599: my %lt = &Apache::lonlocal::texthash(
600: 'withoutpass' => 'passphrase not required',
601: 'withpass' => 'passphrase protected',
602: 'both' => 'all access types ',
603: );
604:
605: my $portaccess = 'withoutpass';
606: if (exists($env{'form.portaccess'})) {
607: $portaccess = $env{'form.portaccess'};
608: }
609:
610: my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
611: .'" name="displaystatus" method="post">'.
612: &mt('File access type: ').'<select name="portaccess">';
613: foreach my $type ('withoutpass','withpass','both') {
614: $output .= '<option value="'.$type.'" ';
615: if ($portaccess eq $type) {
616: $output .= 'selected="selected"';
617: }
618: $output .= '>'.$lt{$type}.'</option>';
619: }
620: $output .= '</select>'."\n".
621: '<input type="submit" name="portaccessbutton" value="'.
622: &mt('Update display').'" />';
623: $output .= '</form><br /><br />';
624: $r->print($output);
625: my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
626: $cdom,$cnum,$name);
627: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
628: my $query_string = &build_query_string();
629: $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
630: '/aboutme'.$query_string.'">');
631: if ($is_course) {
632: $r->print(&mt('Course Information page'));
633: } else {
634: $r->print(&mt('Information about [_1]',$name));
635: }
636: $r->print('</a>');
637: }
638: return;
639: }
640:
641: sub portfolio_files {
642: my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
643: my $filecounts = {
644: withpass => 0,
645: withoutpass => 0,
646: both => 0,
647: };
648: my $current_permissions =
649: &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
650: my %access_controls =
651: &Apache::lonnet::get_access_controls($current_permissions);
652: my $portaccess;
653: if ($mode eq 'showlink') {
654: $portaccess = 'both';
655: } else {
656: $portaccess = 'withoutpass';
657: if (exists($env{'form.portaccess'})) {
658: $portaccess = $env{'form.portaccess'};
659: }
660: }
661:
662: my $diroutput;
663: if ($is_course) {
664: my %files_by_group;
665: foreach my $filename (sort(keys(%access_controls))) {
666: my ($group,$path) = split('/',$filename,2);
667: $files_by_group{$group}{$path} = $access_controls{$filename};
668: }
669: foreach my $group (sort(keys(%files_by_group))) {
670: my %fileshash;
671: my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
672: $is_course,$filecounts,$mode,
673: $files_by_group{$group},
674: \%fileshash,$group);
675: if ($grpout) {
676: $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
677: }
678: }
679: } else {
680: my %allfileshash;
681: $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
682: $filecounts,$mode,\%access_controls,
683: \%allfileshash);
684: }
685: if ($mode eq 'listfiles') {
686: if ($filecounts->{'both'}) {
687: $r->print($diroutput);
688: } else {
689: my $access_text;
690: if (ref($lt) eq 'HASH') {
691: $access_text = $lt->{$portaccess};
692: }
693: $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
694: }
695: }
696: return $filecounts;
697: }
698:
699: {
700: my $count=0;
701: sub portfolio_table_start {
702: $count=0;
703: return '<table class="LC_aboutme_port">';
704: }
705: sub portfolio_row_start {
706: $count++;
707: my $class = ($count%2)?'LC_odd_row'
708: :'LC_even_row';
709: return '<tr class="'.$class.'">';
710: }
711: }
712:
713: sub build_hierarchy {
714: my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
715: $allfileshash,$group) = @_;
716: foreach my $filename (sort(keys(%{$access_info}))) {
717: my $access_status =
718: &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group, $$access_info{$filename});
719: if ($portaccess eq 'both') {
720: if (($access_status ne 'ok') &&
721: ($access_status !~ /^[^:]+:guest_/)) {
722: next;
723: }
724: } elsif ($portaccess eq 'withoutpass') {
725: if ($access_status ne 'ok') {
726: next;
727: }
728: } elsif ($portaccess eq 'withpass') {
729: if ($access_status !~ /^[^:]+:guest_/) {
730: next;
731: }
732: }
733: if ($mode eq 'listfiles') {
734: $filename =~ s/^\///;
735: my @pathitems = split('/',$filename);
736: my $lasthash = $allfileshash;
737: while (@pathitems > 1) {
738: my $newlevel = shift(@pathitems);
739: if (!exists($lasthash->{$newlevel})) {
740: $lasthash->{$newlevel} = {};
741: }
742: $lasthash = $lasthash->{$newlevel};
743: }
744: $lasthash->{$pathitems[0]} = $filename;
745: }
746: if ($access_status eq 'ok') {
747: $filecounts->{'withoutpass'} ++;
748: } elsif ($access_status =~ /^[^:]+:guest_/) {
749: $filecounts->{'withpass'} ++;
750: }
751: }
752: $filecounts->{'both'} = $filecounts->{'withoutpass'} +
753: $filecounts->{'withpass'};
754: my $output;
755: if ($mode eq 'listfiles') {
756: if ($filecounts->{'both'} > 0) {
757: $output = &portfolio_table_start();
758: $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
759: $group);
760: $output .= '</table>';
761: }
762: }
763: return $output;
764: }
765:
766: sub parse_directory {
767: my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
768: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
769: $depth++;
770: my $output;
771:
772: my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
773: $group);
774: my $getpropath = 1;
775: my %dirlist = map {
776: ((split('&',$_,2))[0],1)
777: } &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
778: foreach my $item (sort(keys(%{$currhash}))) {
779: $output .= &portfolio_row_start();
780: $output .= '<td style="padding-left: '.($depth*25).'px">';
781: if (ref($currhash->{$item}) eq 'HASH') {
782: my $title=&HTML::Entities::encode($item,'<>&"');
783: $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
784: $output .= '</td><td></td></tr>';
785: $output .= &parse_directory($r,$depth,$currhash->{$item},
786: $path.'/'.$item,$is_course,$group);
787: } else {
788: my $file_name;
789: if ($currhash->{$item} =~ m|/([^/]+)$|) {
790: $file_name = $1;
791: } else {
792: $file_name = $currhash->{$item};
793: }
794: my $have_meta = exists($dirlist{$file_name.'.meta'});
795: my $url;
796: if ($is_course) {
797: $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
798: '/portfolio/'.$currhash->{$item};
799: } else {
800: $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
801: $currhash->{$item};
802: }
803: my $showname;
804: if ($have_meta) {
805: $showname = &Apache::lonnet::metadata($url,'title');
806: }
807: if ($showname eq '') {
808: $showname = $file_name;
809: } else {
810: $showname = $file_name.' ('.$showname.')';
811: }
812:
813: $showname=&HTML::Entities::encode($showname,'<>&"');
814: $output .= '<a href="'.$url.'">'.
815: '<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
816: ' '.$showname.'</a>';
817: $output.='</td><td>';
818: if ($have_meta) {
819: $output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Metadata').'" src="'.
820: &Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
821: '" class="LC_icon" /></a>';
822: }
823: $output .= '</td></tr>';
824: }
825: }
826: return $output;
827: }
828:
829: sub aboutme_access {
830: my ($uname,$udom) = @_;
831: my $privcheck = $env{'request.course.id'};
832: my $sec;
833: if ($env{'request.course.sec'} ne '') {
834: $sec = $env{'request.course.sec'};
835: $privcheck .= '/'.$sec;
836: }
837: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
838: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
839: if (($cdom eq '') || ($cnum eq '')) {
840: my %coursehash = &coursedescription($env{'request.course.id'});
841: $cdom = $coursehash{'domain'};
842: $cnum = $coursehash{'cnum'};
843: }
844: if ((&Apache::lonnet::allowed('srm',$privcheck)) ||
845: (&Apache::lonnet::allowed('dff',$privcheck))) {
846: if (&in_course($uname,$udom,$cnum,$cdom)) {
847: return 1;
848: }
849: }
850: return;
851: }
852:
853: 1;
854: __END__
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