# The LearningOnline Network
# Personal Information Page
#
# $Id: lonaboutme.pm,v 1.169 2023/12/28 17:56:01 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
=pod
=head1 NAME
pache::lonaboutme
=head1 SYNOPSIS
(empty)
This is part of the LearningOnline Network with CAPA project
described at http://www.lon-capa.org.
=head1 OVERVIEW
(empty)
=head1 SUBROUTINES
=over
=item handler()
=item aboutme_info()
=item print_portfiles_link()
=item build_query_string()
=item display_portfolio_header()
=item display_portfolio_files()
=item portfolio_files()
=item build_hierarchy()
=item parse_directory()
=back
=cut
package Apache::lonaboutme;
use strict;
use Apache::Constants qw(:common);
use Apache::loncommon;
use Apache::lonnet;
use Apache::lontexconvert;
use Apache::lonhtmlgateway;
use Apache::lonrss();
use Apache::lonlocal;
use Apache::lonmsgdisplay();
use Apache::lontemplate;
use Apache::longroup;
use Apache::lonhtmlcommon();
use HTML::Entities();
use Image::Magick;
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
my $target=$env{'form.grade_target'};
# ------------------------------------------------------------ Print the screen
if ($target eq 'tex') {
$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
}
my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
my $is_course;
# Is this even a user?
if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
&Apache::loncommon::simple_error_page($r,'No info',
'No user information available');
return OK;
} else {
$is_course = &Apache::lonnet::is_course($cdom,$cnum);
}
my $clientip = &Apache::lonnet::get_requestor_ip($r);
my $candisplay = 1;
if (!$is_course) {
if ($action ne 'portfolio') {
if (($env{'user.name'} eq $cnum) && ($env{'user.domain'} eq $cdom)) {
$candisplay = &Apache::lonnet::usertools_access($cnum,$cdom,'aboutme');
} else {
$candisplay = &Apache::loncommon::aboutme_on($cnum,$cdom);
}
if ((!$candisplay) && ($env{'request.course.id'})) {
$candisplay = &aboutme_access($cnum,$cdom);
}
if (!$candisplay) {
if ($target eq 'tex') {
$r->print('\noindent{\large\textbf{'.&mt('No user personal information page available').'}}\\\\\\\\');
} else {
$r->print(&Apache::loncommon::start_page("Personal Information Page"));
$r->print('<p class="_LC_info">'.&mt('No user personal information page available') .'</p>'.
&mt('This is a result of one of the following:').'<ul>'.
'<li>'.&mt('The administrator of this domain has disabled personal information page functionality for this specific user.').'</li>'.
'<li>'.&mt('The domain has been configured to disable, by default, personal information page functionality for all users in the domain.').'</li>'.
'</ul>');
$r->print(&Apache::loncommon::end_page());
}
return OK;
}
}
}
# --------------------------------------------------------- The syllabus fields
my %syllabusfields=&Apache::lonlocal::texthash(
'aaa_contactinfo' => 'Contact Information',
'bbb_aboutme' => 'Personal Information',
'ccc_webreferences' => 'Web References');
# ------------------------------------------------------------ Get Query String
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['forceedit','forcestudent','todocs',
'register','popup','folderpath','title','only_body']);
# ----------------------------------------------- Available Portfolio file display
if (($target ne 'tex') && ($action eq 'portfolio')) {
&display_portfolio_header($r,$is_course);
if ((!$is_course) && (!&Apache::lonnet::usertools_access($cnum,$cdom,'portfolio'))) {
$r->print('<h2>'.&mt('No user portfolio available') .'</h2>'.
&mt('This is a result of one of the following:').'<ul>'.
'<li>'.&mt('The administrator of this domain has disabled portfolio functionality for this specific user.').'</li>'.
'<li>'.&mt('The domain has been configured to disable, by default, portfolio functionality for all users in the domain.').'</li>'.
'</ul>');
} else {
my ($blocked,$blocktext) =
&Apache::loncommon::blocking_status('port',$clientip,$cnum,$cdom);
if (!$blocked) {
&display_portfolio_files($r,$is_course);
} else {
$r->print($blocktext);
}
}
$r->print(&Apache::loncommon::end_page());
return OK;
}
if ($is_course) {
if ($target ne 'tex') {
my $args = {'function' => undef,
'domain' => $cdom};
if ($env{'form.register'}) {
$args->{'force_register'} = $env{'form.register'};
} else {
my %coursedescription =
&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
my $cdescr = $coursedescription{'description'};
my $brcrum = [{href=>"/adm/$cdom/$cnum/aboutme",
text=>&mt('Course Information - [_1]',$cdescr),
no_mt=>1}
];
$args->{'bread_crumbs'} = $brcrum;
}
my $start_page = &Apache::loncommon::start_page(
"Course Information",undef,$args);
$r->print($start_page);
$r->print('<h2>'.&mt('Group Portfolio').'</h2>');
&print_portfiles_link($r,$is_course);
$r->print(&Apache::loncommon::end_page());
}
return OK;
}
#------------Get rights
my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
my ($allowed,$coursedomain,$coursenum);
if ($env{'request.course.id'}) {
$coursedomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
$coursenum = $env{'course.'.$env{'request.course.id'}.'.num'};
}
my ($cfile) =
&Apache::lonnet::can_edit_resource($env{'request.noversionuri'},
$coursenum,$coursedomain,
$env{'request.noversionuri'},
$env{'request.symb'});
if ($cfile ne '') {
$allowed = 1;
}
if (!$env{'form.forceedit'} or $target eq 'tex') { $allowed=0; }
# --------------------------------------- There is such a user, get environment
if ($target ne 'tex') {
my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
my $args = {'function' => undef,
'domain' => $cdom,
'force_register' => $env{'form.register'},
};
if ($env{'form.popup'}) { # Don't show breadcrumbs in popup window
$args->{'no_nav_bar'} = 1;
} elsif (!$env{'form.register'}) { #Don't show breadcrumbs twice, when this page is part of course content and you call it
if (($env{'form.only_body'}) && ($env{'request.course.id'})) {
$args->{'only_body'} = 1;
} elsif (($env{'request.course.id'}) &&
($env{'form.folderpath'} =~ /^supplemental/)) {
&Apache::loncommon::validate_folderpath(1,'',$coursenum,$coursedomain);
my $crstype = &Apache::loncommon::course_type();
my $title = $env{'form.title'};
if ($title eq '') {
$title = &mt('Personal Information Page');
}
$title = &HTML::Entities::encode($title,'\'"<>&');
my $brcrum =
&Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
if (ref($brcrum) eq 'ARRAY') {
$args->{'bread_crumbs'} = $brcrum;
$args->{'bread_crumbs_nomenu'} = 1;
}
} else {
$args->{'bread_crumbs'} = [{href=>"/adm/$cdom/$cnum/aboutme",
text=>"Personal Information Page"}];
}
}
my $start_page = &Apache::loncommon::start_page('Personal Information Page',$rss_link,$args);
$r->print($start_page);
}
my ($blocked,$blocktext) =
&Apache::loncommon::blocking_status('about',$clientip,$cnum,$cdom);
if ($blocked) {
if ($target eq 'tex') {
$r->print('\noindent{\large\textbf{'.&mt('No user personal information page available').'}}\\\\\\\\');
} else {
$r->print($blocktext);
}
$r->print(&Apache::loncommon::end_page());
return OK;
}
#----------------Print Privacy note (edit mode) or last modified date.
if ($target ne 'tex') {
#Print Privacy Note
if ($allowed) {
$r->print('<div class="LC_info">'
.'<b>'.&mt('Privacy Note:').'</b> '
.&mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.')
.'</div>'
);
} elsif ($syllabus{'uploaded.lastmodified'}) {
#Print last modified
my $lastmod=$syllabus{'uploaded.lastmodified'};
$lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
$r->print('<div class="LC_info">');
$r->print(&mt('Last updated').': '.$lastmod . '');
$r->print('</div>');
}
}
#------Print Headtitle
if ($target ne 'tex') {
$r->print('<div class="LC_Box">'.
'<h2 class="LC_hcell">'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
if ($allowed) {
$r->print('<div style="margin: 0; float:left;">');
if ($courseenv{'nickname'}) {
$r->print('<h2>"'.$courseenv{'nickname'}.'"</h2>');
}
$r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3></div>');
#Print Help Text
$r->print('<div style="margin: 0; float:right;">'.
&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).
'</div><br clear="all" />');
} else {
if ($courseenv{'nickname'}) {
$r->print('<h2>"'.$courseenv{'nickname'}.'"</h2>');
}
$r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
}
} else {
$r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
$r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
}
# does this user have privileges to post, etc?
my $query_string;
if (($env{'form.uploaddoc.filename'}) &&
($env{'form.storeupl'}) && ($allowed)) {
if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
if ($syllabus{'uploaded.photourl'}) {
&Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
}
$syllabus{'uploaded.photourl'}=
&Apache::lonnet::userfileupload('uploaddoc',undef,'aboutme',
undef,undef,undef,undef,undef,undef,undef,'400','500');
}
$syllabus{'uploaded.lastmodified'}=time;
&Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
}
if ($allowed && $env{'form.delupl'}) {
if ($syllabus{'uploaded.photourl'}) {
&Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
delete($syllabus{'uploaded.photourl'});
&Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
}
}
if (($allowed) && ($env{'form.storesyl'})) {
foreach my $syl_field (keys(%syllabusfields)) {
my $field=$env{'form.'.$syl_field};
chomp($field);
my $gateway = Apache::lonhtmlgateway->new();
$field = $gateway->process_incoming_html($field,1);
$syllabus{$syl_field}=$field;
}
$syllabus{'uploaded.lastmodified'}=time;
&Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
}
my $image;
# ---------------------------------------------------------------- Get syllabus
if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
if ($syllabus{'uploaded.photourl'}) {
&Apache::lonnet::allowuploaded('/adm/aboutme',$syllabus{'uploaded.photourl'});
$image=qq|<img name="userPhoto" src="$syllabus{'uploaded.photourl'} " class="LC_AboutMe_Image" alt="Photo of the user" />|;
if ($target eq 'tex') {
$image=&Apache::lonxml::xmlparse($r,'tex',$image);
}
}
if ($allowed) {
$r->print(
'<form name="UploadPhoto" method="post" enctype="multipart/form-data" action="">'.
'<h3>'.&mt('Upload a Photo').'</h3>'.
'<p class="LC_info">'.
&mt('LON-CAPA will automatically scale your uploaded file so the image will not exceed a width of 400px and a height of 500px.').'</p>'.
'<input type="file" name="uploaddoc" size="50" />'.
'<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
'<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
'</form>');
if ($syllabus{'uploaded.photourl'}) {
$r->print('<form name="delPhoto" method="post" action="" ><input type="submit" name="delupl" value="'.&mt('Delete Photo').'" /> </form>')
}
$r->print('<p></p>');
}
if($allowed) {
$r->print('<form name="lonaboutmeFields" method="post" action="" >');
}
if ($target ne 'tex') { #print Image
$r->print($image.'<div class="LC_clear_float_footer"></div>');
} #End Print Image
#Print Content eg. Contactinfo aboutme,...
&Apache::lontemplate::print_aboutme_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);
#End Print Content
if ($target ne 'tex') { #Begin Print RSS and portfiles
&print_portfiles_link($r,$is_course);
if (&Apache::lonrss::advertisefeeds($cnum,$cdom) ne '') {
&Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_Box');
$r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom));
&Apache::lontemplate::print_end_template($r);
}
} #End Print RSS and portfiles
if ($allowed) {
if ($env{'form.popup'}) {
$r->print('<input type="hidden" name="popup" value="'.
$env{'form.popup'}.'" />');
}
$r->print('</form>');
}
if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
} else {
$r->print('<p class="LC_info">'.&mt('No personal information provided').'.</p>');
if ($target ne 'tex') {
&print_portfiles_link($r,$is_course);
}
}
if ($env{'request.course.id'}
&& &Apache::lonnet::allowed('srm',$env{'request.course.id'})
&& &Apache::lonnet::in_course($cdom,$cnum,$coursedomain,$coursenum,undef,1)) {
if ($target ne 'tex') {
$r->print('<a name="coursecomment" />');
&Apache::lontemplate::print_start_template($r,&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course'),'LC_Box');
$r->print('<span class="LC_info">');
$r->print(&mt('Shared by course faculty and staff').&Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message"));
$r->print('</span>');
&Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
&Apache::lontemplate::print_end_template($r);
} else {
$r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
&Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom,$target);
}
}
if ($target ne 'tex') {
$r->print('</div>');
if ($env{'form.popup'}) {
$r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a></p>');
}
$r->print(&Apache::loncommon::end_page());
} else {
$r->print('\end{document}');
}
return OK;
}
sub aboutme_info {
my ($r,$is_course) = @_;
my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
my $name;
if (!$is_course) {
$name = &Apache::loncommon::plainname($cnum,$cdom);
}
return ($cdom,$cnum,$name);
}
sub print_portfiles_link {
my ($r,$is_course) = @_;
my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
$cdom,$cnum,$name);
my $query_string = &build_query_string();
my $output;
my %lt = &Apache::lonlocal::texthash(
'vpfi' => 'Viewable portfolio files',
'vgpf' => 'Viewable group portfolio files',
'difl' => 'Display file listing',
);
if ($filecounts->{'both'} > 0) {
$output = '<div class="LC_Box"><h4 class="LC_hcell">';
$output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
#$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
$output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
$query_string.'">'.$lt{'difl'}.
'</a><br /><br />';
if ($filecounts->{'both'} == 1) {
if ($is_course) {
$output .= &mt('One group portfolio file is available.').'<ul>';
} else {
$output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
}
} else {
if ($is_course) {
$output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
} else {
$output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
}
}
if ($filecounts->{'withoutpass'}) {
$output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
}
if ($filecounts->{'withpass'}) {
$output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
}
$output .= '</ul>';
$output .= '</div>';
} elsif ($is_course) {
$output .= '<div class="LC_info">'.&mt('There are currently no publicly accessible or password protected group portfolio files.').'</div>';
}
$r->print($output);
return;
}
sub build_query_string {
my ($new_items) = @_;
my $query_string;
my @formelements = ('register');
my $new = 0;
if (ref($new_items) eq 'HASH') {
$new = 1;
if (!defined($new_items->{'forceedit'}) &&
!defined($new_items->{'forcestudent'})) {
push(@formelements,('forceedit','forcestudent'));
}
} else {
push(@formelements,('forceedit','forcestudent'));
}
foreach my $element (@formelements) {
if (exists($env{'form.'.$element})) {
if ((!$new) || (!defined($new_items->{$element}))) {
$query_string .= '&'.$element.'='.$env{'form.'.$element};
}
}
}
if ($new) {
foreach my $key (keys(%{$new_items})) {
$query_string .= '&'.$key.'='.$new_items->{$key};
}
}
$query_string =~ s/^\&/\?/;
return $query_string;
}
sub display_portfolio_header {
my ($r,$is_course) = @_;
my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
my $query_string = &build_query_string();
my $args = {'domain' => $cdom};
if ($env{'form.forcestudent'}) {
$args->{'function'} = 'student';
}
my $output;
if ($is_course) {
if (($env{'request.course.id'} eq $cdom.'_'.$cnum) &&
($env{'form.register'})) {
$args->{force_register} = $env{'form.register'};
} else {
my %coursedescription = &Apache::lonnet::coursedescription($cdom.'_'.$cnum);
my $cdescr = $coursedescription{'description'};
my $brcrum = [{href=>"/adm/$cdom/$cnum/aboutme".$query_string,
text=>&mt('Course Information - [_1]',$cdescr),
no_mt=>1},
{href=>"/adm/$cdom/$cnum/aboutme/portfolio".$query_string,
text=>'Viewable group portfolio files'}
];
$args->{bread_crumbs} = $brcrum;
}
$output = &Apache::loncommon::start_page('Viewable group portfolio files',undef,$args).
'<h3>'.&mt('Group Portfolio files').'</h3>';
} else {
if ($env{'request.course.id'} && $env{'form.register'}) {
$args->{force_register} = $env{'form.register'};
} else {
my $brcrum = [{href => "/adm/$cdom/$cnum/aboutme".$query_string,
text => &mt('Personal Information Page - [_1]',$name),
title => &mt('Go to personal information page for [_1]',$name),
no_mt => 1},
{href => "/adm/$cdom/$cnum/aboutme/portfolio".$query_string,
text => &mt('Viewable files'),
title => &mt('Viewable portfolio files for [_1]',$name),
no_mt => 1}
];
$args->{bread_crumbs} = $brcrum;
}
$output =
&Apache::loncommon::start_page('Viewable portfolio files',
undef,$args).
'<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
}
$r->print($output);
return;
}
sub display_portfolio_files {
my ($r,$is_course) = @_;
my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
my %lt = &Apache::lonlocal::texthash(
'withoutpass' => 'passphrase not required',
'withpass' => 'passphrase protected',
'both' => 'all access types ',
);
my $portaccess = 'withoutpass';
if (exists($env{'form.portaccess'})) {
$portaccess = $env{'form.portaccess'};
}
my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
.'" name="displaystatus" method="post">'.
&mt('File access type: ').'<select name="portaccess">';
foreach my $type ('withoutpass','withpass','both') {
$output .= '<option value="'.$type.'" ';
if ($portaccess eq $type) {
$output .= 'selected="selected"';
}
$output .= '>'.$lt{$type}.'</option>';
}
$output .= '</select>'."\n";
if ($env{'form.register'}) {
$output .= '<input type="hidden" name="register" value="'.$env{'form.register'}.'" />'."\n";
}
$output .= '<input type="submit" name="portaccessbutton" value="'.
&mt('Update display').'" />'.
'</form><br /><br />';
$r->print($output);
my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
$cdom,$cnum,$name);
if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
if ($env{'request.course.id'} && $env{'form.register'}) {
my $query_string = &build_query_string();
$r->print('<br /><a href="/adm/'.$cdom.'/'.$cnum.
'/aboutme'.$query_string.'">');
if ($is_course) {
$r->print(&mt('Course Information page'));
} else {
$r->print(&mt('Information about [_1]',$name));
}
$r->print('</a>');
}
}
return;
}
sub portfolio_files {
my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
my $filecounts = {
withpass => 0,
withoutpass => 0,
both => 0,
};
unless (($is_course) ||
(&Apache::lonnet::usertools_access($cnum,$cdom,'portaccess',undef,'tools'))) {
return $filecounts;
}
my $current_permissions =
&Apache::lonnet::get_portfile_permissions($cdom,$cnum);
my %access_controls =
&Apache::lonnet::get_access_controls($current_permissions);
my $portaccess;
if ($mode eq 'showlink') {
$portaccess = 'both';
} else {
$portaccess = 'withoutpass';
if (exists($env{'form.portaccess'})) {
$portaccess = $env{'form.portaccess'};
}
}
my $diroutput;
if ($is_course) {
my %files_by_group;
my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
foreach my $filename (sort(keys(%access_controls))) {
my ($group,$path) = split('/',$filename,2);
if (exists($curr_groups{$group})) {
$files_by_group{$group}{$path} = $access_controls{$filename};
}
}
foreach my $group (sort(keys(%files_by_group))) {
my %fileshash;
my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
$is_course,$filecounts,$mode,
$files_by_group{$group},
\%fileshash,$group);
if ($grpout) {
$diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
}
}
} else {
my %allfileshash;
$diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
$filecounts,$mode,\%access_controls,
\%allfileshash);
}
if ($mode eq 'listfiles') {
if ($filecounts->{'both'}) {
$r->print($diroutput);
} else {
my $access_text;
if (ref($lt) eq 'HASH') {
$access_text = $lt->{$portaccess};
}
$r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
}
}
return $filecounts;
}
sub build_hierarchy {
my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
$allfileshash,$group) = @_;
my $clientip = &Apache::lonnet::get_requestor_ip($r);
my $usercanshare = &Apache::lonnet::usertools_access($cnum,$cdom,'portaccess',undef,'tools');
foreach my $filename (sort(keys(%{$access_info}))) {
my $access_status =
&Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group,$clientip,
$access_info->{$filename},\$usercanshare);
if ($portaccess eq 'both') {
if (($access_status ne 'ok') &&
($access_status !~ /^[^:]+:guest_/)) {
next;
}
} elsif ($portaccess eq 'withoutpass') {
if ($access_status ne 'ok') {
next;
}
} elsif ($portaccess eq 'withpass') {
if ($access_status !~ /^[^:]+:guest_/) {
next;
}
}
if ($mode eq 'listfiles') {
$filename =~ s/^\///;
my @pathitems = split('/',$filename);
my $lasthash = $allfileshash;
while (@pathitems > 1) {
my $newlevel = shift(@pathitems);
if (!exists($lasthash->{$newlevel})) {
$lasthash->{$newlevel} = {};
}
$lasthash = $lasthash->{$newlevel};
}
$lasthash->{$pathitems[0]} = $filename;
}
if ($access_status eq 'ok') {
$filecounts->{'withoutpass'} ++;
} elsif ($access_status =~ /^[^:]+:guest_/) {
$filecounts->{'withpass'} ++;
}
}
$filecounts->{'both'} = $filecounts->{'withoutpass'} +
$filecounts->{'withpass'};
my $output;
if ($mode eq 'listfiles') {
if ($filecounts->{'both'} > 0) {
$output = &Apache::loncommon::start_data_table();
$output .= &parse_directory($r,0,$allfileshash,'',$is_course,
$group);
$output .= &Apache::loncommon::end_data_table();
}
}
return $output;
}
sub parse_directory {
my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
$depth++;
my $output;
my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
$group);
my $getpropath = 1;
my ($listref,$listerror) =
&Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
my %dirlist;
if (ref($listref) eq 'ARRAY') {
%dirlist = map { ((split('&',$_,2))[0],1) } @{$listref};
}
foreach my $item (sort(keys(%{$currhash}))) {
$output .= &Apache::loncommon::start_data_table_row();
$output .= '<td style="padding-left: '.($depth*25).'px">';
if (ref($currhash->{$item}) eq 'HASH') {
my $title=&HTML::Entities::encode($item,'<>&"');
$output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
$output .= '</td><td> </td>'
.&Apache::loncommon::end_data_table_row();
$output .= &parse_directory($r,$depth,$currhash->{$item},
$path.'/'.$item,$is_course,$group);
} else {
my $file_name;
if ($currhash->{$item} =~ m|/([^/]+)$|) {
$file_name = $1;
} else {
$file_name = $currhash->{$item};
}
my $have_meta = exists($dirlist{$file_name.'.meta'});
my $url;
if ($is_course) {
$url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
'/portfolio/'.$currhash->{$item};
} else {
$url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.$currhash->{$item};
}
my $showname;
if ($have_meta) {
$showname = &Apache::lonnet::metadata($url,'title');
}
if ($showname eq '') {
$showname = $file_name;
} else {
$showname = $file_name.' ('.$showname.')';
}
$showname=&HTML::Entities::encode($showname,'<>&"');
$output .= '<a href="'.$url.'">'.
'<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
' '.$showname.'</a>';
$output.='</td><td>';
if ($have_meta) {
$output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Metadata').'" src="'.
&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.png').
'" class="LC_icon" /></a>';
}
$output .= '</td>'
.&Apache::loncommon::end_data_table_row();
}
}
return $output;
}
sub aboutme_access {
my ($uname,$udom) = @_;
my $privcheck = $env{'request.course.id'};
if ($env{'request.course.sec'} ne '') {
$privcheck .= '/'.$env{'request.course.sec'};
}
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
if (($cdom eq '') || ($cnum eq '')) {
my %coursehash = &Apache::lonnet::coursedescription($env{'request.course.id'});
$cdom = $coursehash{'domain'};
$cnum = $coursehash{'cnum'};
}
if ((&Apache::lonnet::allowed('srm',$privcheck)) ||
(&Apache::lonnet::allowed('dff',$privcheck))) {
if (&Apache::lonnet::in_course($uname,$udom,$cnum,$cdom,undef,1)) {
return 1;
}
}
return;
}
1;
__END__
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