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[LON-CAPA] /
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lonaboutme.pm
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Tue Dec 9 11:31:56 2008 UTC (15 years, 6 months ago) by
amueller
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Add wrapper function for user photoupload to determine a photoupload in lonnet.pm. This function is used in lonaboutme.pm. Changes in function finishuserfileupload in lonnet.pm to resize a upload Image to max. size 300x400.By Alexander Schulze and Niels Neumann
1: # The LearningOnline Network
2: # "About Me" Personal Information
3: #
4: # $Id: lonaboutme.pm,v 1.79 2008/12/09 11:31:56 amueller 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::userphotoupload('uploaddoc','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: $image=qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'}" />};
274:
275: if ($target eq 'tex') {
276: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
277: }
278: # $r->print($image); #Print old Image
279: }
280: if ($allowed) {
281: $r->print(
282: '<form method="post">
283: <input type="submit" name="delupl" value="'.&mt('Delete Photo').'" />
284: </form>'.
285: '<form method="post" enctype="multipart/form-data">'.
286: '<h3>'.&mt('Upload a Photo').'</h3>'.
287: '<input type="file" name="uploaddoc" size="50" />'.
288: '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
289: '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
290: '</form><form method="post">');
291:
292: }
293: &Apache::lontemplate::start_columnSection($r);
294: &Apache::lontemplate::print_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);
295: if($target ne 'tex')
296: {
297: &Apache::lontemplate::print_image($r,$image);
298: &print_portfiles_link($r,$is_course);
299: $r->print('</div>');
300: $r->print('<p>');
301:
302:
303: $r->print('Kontakt');
304: $r->print(&Apache::loncommon::messagewrapper(&mt('Send me a message'),$cnum,$cdom).'</p>'.&Apache::lonrss::advertisefeeds($cnum,$cdom));
305:
306:
307: }
308:
309: if ($allowed) {
310: if ($env{'form.popup'}) {
311: $r->print('<input type="hidden" name="popup" value="'.
312: $env{'form.popup'}.'" />');
313: }
314: $r->print('</form>');
315: }
316: if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
317: } else {
318: $r->print('<p>'.&mt('No personal information provided').'.</p>');
319: }
320:
321: if ($target ne 'tex') {
322: # &print_portfiles_link($r,$is_course); #old Print files
323:
324: }
325:
326: if ($env{'request.course.id'}
327: && &Apache::lonnet::allowed('srm',$env{'request.course.id'})
328: && &in_course($cdom,$cnum)) {
329: if ($target ne 'tex') {
330: $r->print('<a name="coursecomment" />');
331: $r->print('<hr /><h3>'.
332: &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
333: &mt('Shared by course faculty and staff').
334: &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
335: '<br />');
336: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
337: $r->print('<hr />');
338: if (&Apache::lonnet::allowed('vsa',
339: $env{'request.course.id'}) ||
340: &Apache::lonnet::allowed('vsa',
341: $env{'request.course.id'}.'/'.
342: $env{'request.course.sec'})) {
343: $r->print(&Apache::loncommon::track_student_link
344: ('View recent activity by this student',
345: $cnum,$cdom).(' 'x2));
346: }
347: $r->print(&Apache::loncommon::noteswrapper('Add Records',$cnum,$cdom));
348: } else {
349: $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
350: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
351: }
352: }
353: if ($target ne 'tex') {
354: if ($env{'form.popup'}) {
355: $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
356: }
357: $r->print('<br />'.&mt('Last updated').': '.$lastmod);
358: &Apache::lontemplate::end_columnSection($r);
359: $r->print(&Apache::loncommon::end_page());
360: } else {
361: $r->print('\end{document}');
362: }
363:
364:
365:
366: return OK;
367: }
368:
369: sub in_course {
370: my ($udom,$uname,$cdom,$cnum,$type) = @_;
371: $type ||= 'any';
372: if (!defined($cdom) || !defined($cnum)) {
373: my $cid = $env{'request.course.id'};
374: $cdom = $env{'course.'.$cid.'.domain'};
375: $cnum = $env{'course.'.$cid.'.num'};
376: }
377: my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
378: my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
379: return 0 if (!@course_roles);
380: return 1 if ($type eq 'any');
381: my $now = time();
382: foreach my $role (@course_roles) {
383: my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
384: my $status = 'active';
385: if ($role_start > 0 && $now < $role_start) {
386: $status = 'future';
387: }
388: if ($role_end > 0 && $now > $role_end) {
389: $status = 'previous';
390: }
391: return 1 if ($status eq $type);
392: }
393: return 0;
394: }
395:
396: sub aboutme_info {
397: my ($r,$is_course) = @_;
398: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
399: my $name;
400: if (!$is_course) {
401: $name = &Apache::loncommon::plainname($cnum,$cdom);
402: }
403: return ($cdom,$cnum,$name);
404: }
405:
406: sub print_portfiles_link {
407: my ($r,$is_course) = @_;
408: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
409: my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
410: $cdom,$cnum,$name);
411: my $query_string = &build_query_string();
412: my $output;
413: my %lt = &Apache::lonlocal::texthash(
414: vpfi => 'Viewable portfolio files',
415: vgpf => 'Viewable group portfolio files',
416: difl => 'Display file listing',
417: );
418: if ($filecounts->{'both'} > 0) {
419: $output = '<div class="ContentBoxSpecial"><h4 class="hcell">';
420: $output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
421:
422: #$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
423: $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
424: $query_string.'">'.$lt{'difl'}.
425: '</a><br /><br />';
426: if ($filecounts->{'both'} == 1) {
427: if ($is_course) {
428: $output .= &mt('One group portfolio file is available.').'<ul>';
429: } else {
430: $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
431: }
432: } else {
433: if ($is_course) {
434: $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
435: } else {
436: $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
437: }
438: }
439: if ($filecounts->{'withoutpass'}) {
440: $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
441: }
442: if ($filecounts->{'withpass'}) {
443: $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
444: }
445: $output .= '</ul>';
446: $output .='</p>';
447: }
448: $r->print($output);
449: return;
450: }
451:
452: sub build_query_string {
453: my ($new_items) = @_;
454: my $query_string;
455: my @formelements = ('register');
456: my $new = 0;
457: if (ref($new_items) eq 'HASH') {
458: $new = 1;
459: if (!defined($new_items->{'forceedit'}) &&
460: !defined($new_items->{'forcestudent'})) {
461: push(@formelements,('forceedit','forcestudent'));
462: }
463: } else {
464: push(@formelements,('forceedit','forcestudent'));
465: }
466: foreach my $element (@formelements) {
467: if (exists($env{'form.'.$element})) {
468: if ((!$new) || (!defined($new_items->{$element}))) {
469: $query_string .= '&'.$element.'='.$env{'form.'.$element};
470: }
471: }
472: }
473: if ($new) {
474: foreach my $key (keys(%{$new_items})) {
475: $query_string .= '&'.$key.'='.$new_items->{$key};
476: }
477: }
478: $query_string =~ s/^\&/\?/;
479: return $query_string;
480: }
481:
482: sub display_portfolio_header {
483: my ($r,$is_course) = @_;
484: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
485: my $query_string = &build_query_string();
486: &Apache::lonhtmlcommon::clear_breadcrumbs();
487: my $forcestudent='';
488: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
489:
490: my $output;
491: if ($is_course) {
492: $output =
493: &Apache::loncommon::start_page('Viewable group portfolio files',undef,
494: {'function' => $forcestudent,
495: 'domain' => $cdom,});
496: $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
497: } else {
498: $output =
499: &Apache::loncommon::start_page('Viewable portfolio files',undef,
500: {'function' => $forcestudent,
501: 'domain' => $cdom,});
502: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
503: &Apache::lonhtmlcommon::add_breadcrumb
504: ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
505: text=>"Personal information - $name",
506: title=>"Go to personal information page for $name"}, {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
507: text=>"Viewable files - $name",
508: title=>"Viewable portfolio files for $name"}
509: );
510: $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
511: }
512: $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
513: }
514: $r->print($output);
515: return;
516: }
517:
518: sub display_portfolio_files {
519: my ($r,$is_course) = @_;
520: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
521: my %lt = ( withoutpass => 'passphrase not required',
522: withpass => 'passphrase protected',
523: both => 'all access types ',);
524: %lt = &Apache::lonlocal::texthash(%lt);
525:
526: my $portaccess = 'withoutpass';
527: if (exists($env{'form.portaccess'})) {
528: $portaccess = $env{'form.portaccess'};
529: }
530:
531: my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
532: .'" name="displaystatus" method="post">'.
533: &mt('File access type: ').'<select name="portaccess">';
534: foreach my $type ('withoutpass','withpass','both') {
535: $output .= '<option value="'.$type.'" ';
536: if ($portaccess eq $type) {
537: $output .= 'selected="selected"';
538: }
539: $output .= '>'.$lt{$type}.'</option>';
540: }
541: $output .= '</select>'."\n".
542: '<input type="submit" name="portaccessbutton" value="'.
543: &mt('Update display').'" />';
544: $output .= '</form><br /><br />';
545: $r->print($output);
546: my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
547: $cdom,$cnum,$name);
548: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
549: my $query_string = &build_query_string();
550: $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
551: '/aboutme'.$query_string.'">');
552: if ($is_course) {
553: $r->print(&mt('Course Information page'));
554: } else {
555: $r->print(&mt('Information about [_1]',$name));
556: }
557: $r->print('</a>');
558: }
559: return;
560: }
561:
562: sub portfolio_files {
563: my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
564: my $filecounts = {
565: withpass => 0,
566: withoutpass => 0,
567: both => 0,
568: };
569: my $current_permissions =
570: &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
571: my %access_controls =
572: &Apache::lonnet::get_access_controls($current_permissions);
573: my $portaccess;
574: if ($mode eq 'showlink') {
575: $portaccess = 'both';
576: } else {
577: $portaccess = 'withoutpass';
578: if (exists($env{'form.portaccess'})) {
579: $portaccess = $env{'form.portaccess'};
580: }
581: }
582:
583: my $diroutput;
584: if ($is_course) {
585: my %files_by_group;
586: foreach my $filename (sort(keys(%access_controls))) {
587: my ($group,$path) = split('/',$filename,2);
588: $files_by_group{$group}{$path} = $access_controls{$filename};
589: }
590: foreach my $group (sort(keys(%files_by_group))) {
591: my %fileshash;
592: my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
593: $is_course,$filecounts,$mode,
594: $files_by_group{$group},
595: \%fileshash,$group);
596: if ($grpout) {
597: $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
598: }
599: }
600: } else {
601: my %allfileshash;
602: $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
603: $filecounts,$mode,\%access_controls,
604: \%allfileshash);
605: }
606: if ($mode eq 'listfiles') {
607: if ($filecounts->{'both'}) {
608: $r->print($diroutput);
609: } else {
610: my $access_text;
611: if (ref($lt) eq 'HASH') {
612: $access_text = $lt->{$portaccess};
613: }
614: $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
615: }
616: }
617: return $filecounts;
618: }
619:
620: {
621: my $count=0;
622: sub portfolio_table_start {
623: $count=0;
624: return '<table class="LC_aboutme_port">';
625: }
626: sub portfolio_row_start {
627: $count++;
628: my $class = ($count%2)?'LC_odd_row'
629: :'LC_even_row';
630: return '<tr class="'.$class.'">';
631: }
632: }
633:
634: sub build_hierarchy {
635: my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
636: $allfileshash,$group) = @_;
637: foreach my $filename (sort(keys(%{$access_info}))) {
638: my $access_status =
639: &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group, $$access_info{$filename});
640: if ($portaccess eq 'both') {
641: if (($access_status ne 'ok') &&
642: ($access_status !~ /^[^:]+:guest_/)) {
643: next;
644: }
645: } elsif ($portaccess eq 'withoutpass') {
646: if ($access_status ne 'ok') {
647: next;
648: }
649: } elsif ($portaccess eq 'withpass') {
650: if ($access_status !~ /^[^:]+:guest_/) {
651: next;
652: }
653: }
654: if ($mode eq 'listfiles') {
655: $filename =~ s/^\///;
656: my @pathitems = split('/',$filename);
657: my $lasthash = $allfileshash;
658: while (@pathitems > 1) {
659: my $newlevel = shift(@pathitems);
660: if (!exists($lasthash->{$newlevel})) {
661: $lasthash->{$newlevel} = {};
662: }
663: $lasthash = $lasthash->{$newlevel};
664: }
665: $lasthash->{$pathitems[0]} = $filename;
666: }
667: if ($access_status eq 'ok') {
668: $filecounts->{'withoutpass'} ++;
669: } elsif ($access_status =~ /^[^:]+:guest_/) {
670: $filecounts->{'withpass'} ++;
671: }
672: }
673: $filecounts->{'both'} = $filecounts->{'withoutpass'} +
674: $filecounts->{'withpass'};
675: my $output;
676: if ($mode eq 'listfiles') {
677: if ($filecounts->{'both'} > 0) {
678: $output = &portfolio_table_start();
679: $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
680: $group);
681: $output .= '</table>';
682: }
683: }
684: return $output;
685: }
686:
687: sub parse_directory {
688: my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
689: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
690: $depth++;
691: my $output;
692:
693: my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
694: $group);
695: my $getpropath = 1;
696: my %dirlist = map {
697: ((split('&',$_,2))[0],1)
698: } &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
699: foreach my $item (sort(keys(%{$currhash}))) {
700: $output .= &portfolio_row_start();
701: $output .= '<td style="padding-left: '.($depth*25).'px">';
702: if (ref($currhash->{$item}) eq 'HASH') {
703: my $title=&HTML::Entities::encode($item,'<>&"');
704: $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
705: $output .= '</td><td></td></tr>';
706: $output .= &parse_directory($r,$depth,$currhash->{$item},
707: $path.'/'.$item,$is_course,$group);
708: } else {
709: my $file_name;
710: if ($currhash->{$item} =~ m|/([^/]+)$|) {
711: $file_name = $1;
712: } else {
713: $file_name = $currhash->{$item};
714: }
715: my $have_meta = exists($dirlist{$file_name.'.meta'});
716: my $url;
717: if ($is_course) {
718: $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
719: '/portfolio/'.$currhash->{$item};
720: } else {
721: $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
722: $currhash->{$item};
723: }
724: my $showname;
725: if ($have_meta) {
726: $showname = &Apache::lonnet::metadata($url,'title');
727: }
728: if ($showname eq '') {
729: $showname = $file_name;
730: } else {
731: $showname = $file_name.' ('.$showname.')';
732: }
733:
734: $showname=&HTML::Entities::encode($showname,'<>&"');
735: $output .= '<a href="'.$url.'">'.
736: '<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
737: ' '.$showname.'</a>';
738: $output.='</td><td>';
739: if ($have_meta) {
740: $output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Catalog Information').'" src="'.
741: &Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
742: '" class="LC_icon" /></a>';
743: }
744: $output .= '</td></tr>';
745: }
746: }
747: return $output;
748: }
749:
750: sub aboutme_access {
751: my ($uname,$udom) = @_;
752: my $privcheck = $env{'request.course.id'};
753: my $sec;
754: if ($env{'request.course.sec'} ne '') {
755: $sec = $env{'request.course.sec'};
756: $privcheck .= '/'.$sec;
757: }
758: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
759: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
760: if (($cdom eq '') || ($cnum eq '')) {
761: my %coursehash = &coursedescription($env{'request.course.id'});
762: $cdom = $coursehash{'domain'};
763: $cnum = $coursehash{'cnum'};
764: }
765: if ((&allowed('srm',$privcheck)) || (&allowed('dff',$privcheck))) {
766: if (&in_course($uname,$udom,$cnum,$cdom)) {
767: return 1;
768: }
769: }
770: return;
771: }
772:
773: 1;
774: __END__
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