1: # The LearningOnline Network
2: # "About Me" Personal Information
3: #
4: # $Id: lonaboutme.pm,v 1.94 2009/02/13 18:56:13 neumanie 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 home page available').'}}\\\\\\\\');
122: } else {
123: $r->print(&Apache::loncommon::start_page("Personal Information"));
124: $r->print('<h2>'.&mt('No user home 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 home page functionality for this specific user.').'</li>'.
127: '<li>'.&mt('The domain has been configured to disable, by default, home page functionality for all users in the domain.').'</li>'.
128: '</ul>');
129: $r->print(&Apache::loncommon::end_page());
130: }
131: return OK;
132: }
133: }
134: }
135:
136: # --------------------------------------------------------- The syllabus fields
137: my %syllabusfields=&Apache::lonlocal::texthash(
138: 'aaa_contactinfo' => 'Contact Information',
139: 'bbb_aboutme' => 'About Me',
140: 'ccc_webreferences' => 'Web References');
141:
142: # ------------------------------------------------------------ Get Query String
143: &Apache::loncommon::get_unprocessed_cgi($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: $r->print('<h2>'.&mt('Group files').'</h2>');
183: &print_portfiles_link($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 = $env{'form.register'};
196: }
197:
198: # --------------------------------------- There is such a user, get environment
199: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
200: if ($target ne 'tex') {
201: my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
202: my $args = {'function' => $forcestudent,
203: 'domain' => $cdom,
204: 'force_register' => $forceregister};
205: if ($env{'form.popup'}) {
206: $args->{'no_nav_bar'} = 1;
207: }
208: $args->{'bread_crumbs'} = [{href=>"/adm/fhwfdev/$cnum/aboutme",text=>"Personal Information"}];
209: my $start_page =
210: &Apache::loncommon::start_page("Personal Information",$rss_link,$args);
211: $r->print($start_page);
212: $r->print('<h2>'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
213: } else {
214: $r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
215: }
216: if ($courseenv{'nickname'}) {
217: $r->print(
218: '<h2>"'.$courseenv{'nickname'}.
219: '"</h2>');
220: }
221: if ($target ne 'tex') {
222: $r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');#OLD SendMessage POS
223: } else {
224: $r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
225: }
226: my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
227: my $allowed=0;
228:
229: # does this user have privileges to post, etc?
230:
231: my $privleged=$allowed=(($env{'user.name'} eq $cnum) &&
232: ($env{'user.domain'} eq $cdom));
233: if ($forcestudent or $target eq 'tex') { $allowed=0; }
234: my $query_string;
235: if ($allowed) {
236: $query_string = &build_query_string({'forcestudent' => '1','popup' => $env{'form.popup'}});
237: $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
238: &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
239: '</p><p><a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.
240: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>'.
241: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).'</p>');
242: } elsif ($privleged && $target ne 'tex') {
243: $query_string = &build_query_string({'forceedit' => '1','popup' => $env{'form.popup'}});
244: $r->print('<p><a href="'.$r->uri.$query_string.'">'.
245: &mt('Edit').'</a></p>');
246: }
247: if (($env{'form.uploaddoc.filename'}) &&
248: ($env{'form.storeupl'}) && ($allowed)) {
249: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
250: if ($syllabus{'uploaded.photourl'}) {
251: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
252: }
253: $syllabus{'uploaded.photourl'}=
254: &Apache::lonnet::userphotoupload('uploaddoc','aboutme');
255: }
256: $syllabus{'uploaded.lastmodified'}=time;
257: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
258: }
259: if ($allowed && $env{'form.delupl'}) {
260: if ($syllabus{'uploaded.photourl'}) {
261: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
262: delete($syllabus{'uploaded.photourl'});
263: &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
264: }
265: }
266: if (($allowed) && ($env{'form.storesyl'})) {
267: foreach my $syl_field (keys(%syllabusfields)) {
268: my $field=$env{'form.'.$syl_field};
269: $field=~s/\s+$//s;
270: $field=&Apache::lonfeedback::clear_out_html($field,
271: $env{'user.adv'});
272: $syllabus{$syl_field}=$field;
273: }
274: $syllabus{'uploaded.lastmodified'}=time;
275: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
276: }
277:
278: my $lastmod;
279: my $image;
280: # ---------------------------------------------------------------- Get syllabus
281: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
282: $lastmod=$syllabus{'uploaded.lastmodified'};
283: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
284: $r->print('<br />'.&mt('Last updated').': '.$lastmod);
285: if ($syllabus{'uploaded.photourl'}) {
286: &Apache::lonnet::allowuploaded('/adm/aboutme',
287: $syllabus{'uploaded.photourl'});
288:
289: #This call is to resize all "about me" images in the LonCapa System. When its done, you can remove this line.
290: &Apache::lonnet::resizeImage(&Apache::lonnet::filelocation('',$syllabus{'uploaded.photourl'}));
291: #---End Resize---
292:
293: $image=qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'} " class="LC_AboutMe_Image" />};
294:
295: if ($target eq 'tex') {
296: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
297: }
298:
299: }
300: if ($allowed) {
301: $r->print(
302: '<form method="post" enctype="multipart/form-data">'.
303: '<h3>'.&mt('Upload a Photo').'</h3>'.
304: '<input type="file" name="uploaddoc" size="50" />'.
305: '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
306: '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
307: '</form><form method="post"><input type="submit" name="delupl" value="'.&mt('Delete Photo').'" /> </form><p>
308: ');
309:
310: }
311:
312: if($allowed) {
313: $r->print('<form method="post">');
314: }
315:
316: if($target ne 'tex') #print Image
317: {
318: &Apache::lontemplate::start_ContentBox($r);
319: &Apache::lontemplate::send_message($r,$cnum,$cdom);
320: &Apache::lontemplate::end_ContentBox($r);
321: $r->print($image);
322:
323: }#End Print Image
324:
325: #Print Content eg. Contactinfo aboutme,...
326: &Apache::lontemplate::print_aboutme_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);
327: #End Print Content
328:
329: if($target ne 'tex')#Begin Print RSS and portfiles
330: {
331:
332: &print_portfiles_link($r,$is_course);
333: if(&Apache::lonrss::advertisefeeds($cnum,$cdom) ne ''){
334: $r->print('<div class="LC_ContentBoxSpecial">');
335: $r->print('<h4 class="LC_hcell">'.'RSS Feeds and Blogs'.'</h4>');
336: $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom));
337: $r->print('</div>');
338: }
339:
340: if($allowed){
341: $r->print('<p><a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.
342: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
343: }
344: }#End Print RSS and portfiles
345: if ($allowed) {
346: if ($env{'form.popup'}) {
347: $r->print('<input type="hidden" name="popup" value="'.
348: $env{'form.popup'}.'" />');
349: }
350: $r->print('</form>');
351: }
352: if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
353: } else {
354: &Apache::lontemplate::send_message($r,$cnum,$cdom);
355: $r->print('<p>'.&mt('No personal information provided').'.</p>');
356: }
357:
358:
359: if ($env{'request.course.id'}
360: && &Apache::lonnet::allowed('srm',$env{'request.course.id'})
361: && &in_course($cdom,$cnum)) {
362: if ($target ne 'tex') {
363: $r->print('<a name="coursecomment" />');
364: $r->print('<hr /><h3>'.
365: &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
366: &mt('Shared by course faculty and staff').
367: &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
368: '<br />');
369: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
370: $r->print('<hr />');
371: if (&Apache::lonnet::allowed('vsa',
372: $env{'request.course.id'}) ||
373: &Apache::lonnet::allowed('vsa',
374: $env{'request.course.id'}.'/'.
375: $env{'request.course.sec'})) {
376: $r->print(&Apache::loncommon::track_student_link
377: ('View recent activity by this student',
378: $cnum,$cdom).(' 'x2));
379: }
380: $r->print(&Apache::loncommon::noteswrapper(&mt('Add Records'),$cnum,$cdom));
381: } else {
382: $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
383: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
384: }
385: }
386: if ($target ne 'tex') {
387: if ($env{'form.popup'}) {
388: $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
389: }
390: $r->print(&Apache::loncommon::end_page());
391: } else {
392: $r->print('\end{document}');
393: }
394:
395:
396:
397: return OK;
398: }
399:
400: sub in_course {
401: my ($udom,$uname,$cdom,$cnum,$type) = @_;
402: $type ||= 'any';
403: if (!defined($cdom) || !defined($cnum)) {
404: my $cid = $env{'request.course.id'};
405: $cdom = $env{'course.'.$cid.'.domain'};
406: $cnum = $env{'course.'.$cid.'.num'};
407: }
408: my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
409: my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
410: return 0 if (!@course_roles);
411: return 1 if ($type eq 'any');
412: my $now = time();
413: foreach my $role (@course_roles) {
414: my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
415: my $status = 'active';
416: if ($role_start > 0 && $now < $role_start) {
417: $status = 'future';
418: }
419: if ($role_end > 0 && $now > $role_end) {
420: $status = 'previous';
421: }
422: return 1 if ($status eq $type);
423: }
424: return 0;
425: }
426:
427: sub aboutme_info {
428: my ($r,$is_course) = @_;
429: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
430: my $name;
431: if (!$is_course) {
432: $name = &Apache::loncommon::plainname($cnum,$cdom);
433: }
434: return ($cdom,$cnum,$name);
435: }
436:
437: sub print_portfiles_link {
438: my ($r,$is_course) = @_;
439: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
440: my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
441: $cdom,$cnum,$name);
442: my $query_string = &build_query_string();
443: my $output;
444: my %lt = &Apache::lonlocal::texthash(
445: vpfi => 'Viewable portfolio files',
446: vgpf => 'Viewable group portfolio files',
447: difl => 'Display file listing',
448: );
449: if ($filecounts->{'both'} > 0) {
450: $output = '<div class="LC_ContentBoxSpecial"><h4 class="LC_hcell">';
451: $output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
452:
453: #$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
454: $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
455: $query_string.'">'.$lt{'difl'}.
456: '</a><br /><br />';
457: if ($filecounts->{'both'} == 1) {
458: if ($is_course) {
459: $output .= &mt('One group portfolio file is available.').'<ul>';
460: } else {
461: $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
462: }
463: } else {
464: if ($is_course) {
465: $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
466: } else {
467: $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
468: }
469: }
470: if ($filecounts->{'withoutpass'}) {
471: $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
472: }
473: if ($filecounts->{'withpass'}) {
474: $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
475: }
476: $output .= '</ul>';
477: $output .='</p>';
478: $output .='</div>';
479: }
480: $r->print($output);
481: return;
482: }
483:
484: sub build_query_string {
485: my ($new_items) = @_;
486: my $query_string;
487: my @formelements = ('register');
488: my $new = 0;
489: if (ref($new_items) eq 'HASH') {
490: $new = 1;
491: if (!defined($new_items->{'forceedit'}) &&
492: !defined($new_items->{'forcestudent'})) {
493: push(@formelements,('forceedit','forcestudent'));
494: }
495: } else {
496: push(@formelements,('forceedit','forcestudent'));
497: }
498: foreach my $element (@formelements) {
499: if (exists($env{'form.'.$element})) {
500: if ((!$new) || (!defined($new_items->{$element}))) {
501: $query_string .= '&'.$element.'='.$env{'form.'.$element};
502: }
503: }
504: }
505: if ($new) {
506: foreach my $key (keys(%{$new_items})) {
507: $query_string .= '&'.$key.'='.$new_items->{$key};
508: }
509: }
510: $query_string =~ s/^\&/\?/;
511: return $query_string;
512: }
513:
514: sub display_portfolio_header {
515: my ($r,$is_course) = @_;
516: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
517: my $query_string = &build_query_string();
518: &Apache::lonhtmlcommon::clear_breadcrumbs();
519: my $forcestudent='';
520: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
521:
522: my $output;
523: if ($is_course) {
524: $output =
525: &Apache::loncommon::start_page('Viewable group portfolio files',undef,
526: {'function' => $forcestudent,
527: 'domain' => $cdom,});
528: $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
529: } else {
530: $output =
531: &Apache::loncommon::start_page('Viewable portfolio files',undef,
532: {'function' => $forcestudent,
533: 'domain' => $cdom,});
534: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
535: &Apache::lonhtmlcommon::add_breadcrumb
536: ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
537: text=>"Personal information - $name",
538: title=>"Go to personal information page for $name"}, {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
539: text=>"Viewable files - $name",
540: title=>"Viewable portfolio files for $name"}
541: );
542: $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
543: }
544: $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
545: }
546: $r->print($output);
547: return;
548: }
549:
550: sub display_portfolio_files {
551: my ($r,$is_course) = @_;
552: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
553: my %lt = ( withoutpass => 'passphrase not required',
554: withpass => 'passphrase protected',
555: both => 'all access types ',);
556: %lt = &Apache::lonlocal::texthash(%lt);
557:
558: my $portaccess = 'withoutpass';
559: if (exists($env{'form.portaccess'})) {
560: $portaccess = $env{'form.portaccess'};
561: }
562:
563: my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
564: .'" name="displaystatus" method="post">'.
565: &mt('File access type: ').'<select name="portaccess">';
566: foreach my $type ('withoutpass','withpass','both') {
567: $output .= '<option value="'.$type.'" ';
568: if ($portaccess eq $type) {
569: $output .= 'selected="selected"';
570: }
571: $output .= '>'.$lt{$type}.'</option>';
572: }
573: $output .= '</select>'."\n".
574: '<input type="submit" name="portaccessbutton" value="'.
575: &mt('Update display').'" />';
576: $output .= '</form><br /><br />';
577: $r->print($output);
578: my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
579: $cdom,$cnum,$name);
580: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
581: my $query_string = &build_query_string();
582: $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
583: '/aboutme'.$query_string.'">');
584: if ($is_course) {
585: $r->print(&mt('Course Information page'));
586: } else {
587: $r->print(&mt('Information about [_1]',$name));
588: }
589: $r->print('</a>');
590: }
591: return;
592: }
593:
594: sub portfolio_files {
595: my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
596: my $filecounts = {
597: withpass => 0,
598: withoutpass => 0,
599: both => 0,
600: };
601: my $current_permissions =
602: &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
603: my %access_controls =
604: &Apache::lonnet::get_access_controls($current_permissions);
605: my $portaccess;
606: if ($mode eq 'showlink') {
607: $portaccess = 'both';
608: } else {
609: $portaccess = 'withoutpass';
610: if (exists($env{'form.portaccess'})) {
611: $portaccess = $env{'form.portaccess'};
612: }
613: }
614:
615: my $diroutput;
616: if ($is_course) {
617: my %files_by_group;
618: foreach my $filename (sort(keys(%access_controls))) {
619: my ($group,$path) = split('/',$filename,2);
620: $files_by_group{$group}{$path} = $access_controls{$filename};
621: }
622: foreach my $group (sort(keys(%files_by_group))) {
623: my %fileshash;
624: my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
625: $is_course,$filecounts,$mode,
626: $files_by_group{$group},
627: \%fileshash,$group);
628: if ($grpout) {
629: $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
630: }
631: }
632: } else {
633: my %allfileshash;
634: $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
635: $filecounts,$mode,\%access_controls,
636: \%allfileshash);
637: }
638: if ($mode eq 'listfiles') {
639: if ($filecounts->{'both'}) {
640: $r->print($diroutput);
641: } else {
642: my $access_text;
643: if (ref($lt) eq 'HASH') {
644: $access_text = $lt->{$portaccess};
645: }
646: $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
647: }
648: }
649: return $filecounts;
650: }
651:
652: {
653: my $count=0;
654: sub portfolio_table_start {
655: $count=0;
656: return '<table class="LC_aboutme_port">';
657: }
658: sub portfolio_row_start {
659: $count++;
660: my $class = ($count%2)?'LC_odd_row'
661: :'LC_even_row';
662: return '<tr class="'.$class.'">';
663: }
664: }
665:
666: sub build_hierarchy {
667: my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
668: $allfileshash,$group) = @_;
669: foreach my $filename (sort(keys(%{$access_info}))) {
670: my $access_status =
671: &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group, $$access_info{$filename});
672: if ($portaccess eq 'both') {
673: if (($access_status ne 'ok') &&
674: ($access_status !~ /^[^:]+:guest_/)) {
675: next;
676: }
677: } elsif ($portaccess eq 'withoutpass') {
678: if ($access_status ne 'ok') {
679: next;
680: }
681: } elsif ($portaccess eq 'withpass') {
682: if ($access_status !~ /^[^:]+:guest_/) {
683: next;
684: }
685: }
686: if ($mode eq 'listfiles') {
687: $filename =~ s/^\///;
688: my @pathitems = split('/',$filename);
689: my $lasthash = $allfileshash;
690: while (@pathitems > 1) {
691: my $newlevel = shift(@pathitems);
692: if (!exists($lasthash->{$newlevel})) {
693: $lasthash->{$newlevel} = {};
694: }
695: $lasthash = $lasthash->{$newlevel};
696: }
697: $lasthash->{$pathitems[0]} = $filename;
698: }
699: if ($access_status eq 'ok') {
700: $filecounts->{'withoutpass'} ++;
701: } elsif ($access_status =~ /^[^:]+:guest_/) {
702: $filecounts->{'withpass'} ++;
703: }
704: }
705: $filecounts->{'both'} = $filecounts->{'withoutpass'} +
706: $filecounts->{'withpass'};
707: my $output;
708: if ($mode eq 'listfiles') {
709: if ($filecounts->{'both'} > 0) {
710: $output = &portfolio_table_start();
711: $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
712: $group);
713: $output .= '</table>';
714: }
715: }
716: return $output;
717: }
718:
719: sub parse_directory {
720: my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
721: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
722: $depth++;
723: my $output;
724:
725: my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
726: $group);
727: my $getpropath = 1;
728: my %dirlist = map {
729: ((split('&',$_,2))[0],1)
730: } &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
731: foreach my $item (sort(keys(%{$currhash}))) {
732: $output .= &portfolio_row_start();
733: $output .= '<td style="padding-left: '.($depth*25).'px">';
734: if (ref($currhash->{$item}) eq 'HASH') {
735: my $title=&HTML::Entities::encode($item,'<>&"');
736: $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
737: $output .= '</td><td></td></tr>';
738: $output .= &parse_directory($r,$depth,$currhash->{$item},
739: $path.'/'.$item,$is_course,$group);
740: } else {
741: my $file_name;
742: if ($currhash->{$item} =~ m|/([^/]+)$|) {
743: $file_name = $1;
744: } else {
745: $file_name = $currhash->{$item};
746: }
747: my $have_meta = exists($dirlist{$file_name.'.meta'});
748: my $url;
749: if ($is_course) {
750: $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
751: '/portfolio/'.$currhash->{$item};
752: } else {
753: $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
754: $currhash->{$item};
755: }
756: my $showname;
757: if ($have_meta) {
758: $showname = &Apache::lonnet::metadata($url,'title');
759: }
760: if ($showname eq '') {
761: $showname = $file_name;
762: } else {
763: $showname = $file_name.' ('.$showname.')';
764: }
765:
766: $showname=&HTML::Entities::encode($showname,'<>&"');
767: $output .= '<a href="'.$url.'">'.
768: '<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
769: ' '.$showname.'</a>';
770: $output.='</td><td>';
771: if ($have_meta) {
772: $output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Metadata').'" src="'.
773: &Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
774: '" class="LC_icon" /></a>';
775: }
776: $output .= '</td></tr>';
777: }
778: }
779: return $output;
780: }
781:
782: sub aboutme_access {
783: my ($uname,$udom) = @_;
784: my $privcheck = $env{'request.course.id'};
785: my $sec;
786: if ($env{'request.course.sec'} ne '') {
787: $sec = $env{'request.course.sec'};
788: $privcheck .= '/'.$sec;
789: }
790: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
791: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
792: if (($cdom eq '') || ($cnum eq '')) {
793: my %coursehash = &coursedescription($env{'request.course.id'});
794: $cdom = $coursehash{'domain'};
795: $cnum = $coursehash{'cnum'};
796: }
797: if ((&Apache::lonnet::allowed('srm',$privcheck)) ||
798: (&Apache::lonnet::allowed('dff',$privcheck))) {
799: if (&in_course($uname,$udom,$cnum,$cdom)) {
800: return 1;
801: }
802: }
803: return;
804: }
805:
806: 1;
807: __END__
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