# 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/
#
package Apache::portfolio;
use strict;
use Apache::Constants qw(:common :http);
use Apache::loncommon;
use Apache::lonnet;
use Apache::lontexconvert;
use Apache::lonfeedback;
use Apache::lonlocal;
# receives a file name and path stub from username/userfiles/portfolio/
# returns an anchor tag consisting encoding filename and currentpath
sub make_anchor {
my ($filename, $current_path) = @_;
my $anchor = ''.$filename.'';
return $anchor;
}
my $dirptr=16384;
sub display_directory {
my ($r,$current_path,$is_empty,$dir_list)=@_;
my $iconpath= $r->dir_config('lonIconsURL') . "/";
$r->print('
');
$r->print('
');
my $displayOut = '';
$r->print($displayOut);
$r->print('
');
my @tree = split (/\//,$current_path);
$r->print(''.&make_anchor('portfolio','/').'/');
if (@tree > 1){
my $newCurrentPath = '';
for (my $i = 1; $i< @tree; $i++){
$newCurrentPath .= $tree[$i].'/';
$r->print(&make_anchor($tree[$i],'/'.$newCurrentPath).'/');
}
}
$r->print('');
&Apache::lonhtmlcommon::store_recent('portfolio',$current_path,$current_path);
#Fixme -- remove from recent those paths that are deleted
$r->print(' ");
if ($is_empty && ($current_path ne '/')) {
$displayOut = '';
$r->print($displayOut);
return;
}
$r->print('
'.
'
Actions
Name
Size
Last Modified
');
my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
foreach my $line (sort
{
my ($afile)=split('&',$a,2);
my ($bfile)=split('&',$b,2);
return (lc($afile) cmp lc($bfile));
} (@$dir_list)) {
#$strip holds directory/file name
#$dom
my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
if (($filename ne '.') && ($filename ne '..')) {
if ($dirptr&$testdir) {
$r->print('
');
}
sub open_form {
my ($r)=@_;
$r->print('');
$r->print('');
}
sub display_file {
my ($path,$filename)=@_;
if (!defined($path)) { $path=$ENV{'form.currentpath'}; }
if (!defined($filename)) { $filename=$ENV{'form.selectfile'}; }
return ''.$path.$filename.'';
}
sub done {
return ('
');
}
sub delete {
my ($r)=@_;
&open_form($r);
$r->print('
'.&mt('Delete').' '.&display_file().'?
');
&close_form($r);
}
sub delete_confirmed {
my ($r)=@_;
my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
$ENV{'user.domain'},'portfolio'.
$ENV{'form.currentpath'}.
$ENV{'form.selectfile'});
if ($result ne 'ok') {
$r->print(' An error occured ('.$result.
') while trying to delete '.&display_file().' ');
}
$r->print(&done());
}
sub delete_dir {
my ($r)=@_;
&open_form($r);
$r->print('
'.&mt('Delete').' '.&display_file().'?
');
&close_form($r);
}
sub delete_dir_confirmed {
my ($r)=@_;
my $directory_name = $ENV{'form.currentpath'};
$directory_name =~ m/\/$/;
$directory_name = $`;
my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
$ENV{'user.domain'},'portfolio'.
$directory_name);
if ($result ne 'ok') {
$r->print(' An error occured (dir) ('.$result.
') while trying to delete '.$directory_name.' ');
} else {
# now remove from recent
# $r->print(' removing '.$directory_name.' print(&done());
}
sub rename {
my ($r)=@_;
&open_form($r);
$r->print('
'.&mt('Rename').' '.&display_file().' to
?
');
&close_form($r);
}
sub rename_confirmed {
my ($r)=@_;
my $filenewname=&Apache::lonnet::clean_filename($ENV{'form.filenewname'});
if ($filenewname eq '') {
$r->print(''.
&mt("Error: no valid filename was provided to rename to.").
' ');
$r->print(&done());
return;
}
my $result=
&Apache::lonnet::renameuserfile($ENV{'user.name'},$ENV{'user.domain'},
'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.selectfile'},
'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.filenewname'});
if ($result ne 'ok') {
$r->print(' An errror occured ('.$result.
') while trying to rename '.&display_file().' to '.
&display_file(undef,$filenewname).' ');
}
$r->print(&done());
}
sub upload {
my ($r)=@_;
my $fname=$ENV{'form.uploaddoc.filename'};
my $filesize = (length($ENV{'form.uploaddoc'})) / 1000; #express in k (1024?)
my $disk_quota = 20000; # expressed in k
$fname=&Apache::lonnet::clean_filename($fname);
my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
$ENV{'user.name'}).
'/userfiles/portfolio';
# Fixme --- Move the checking for existing file to LOND error return
my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
$ENV{'user.domain'},
$ENV{'user.name'},$portfolio_root);
my $found_file = 0;
foreach my $line (@dir_list) {
my ($filename)=split(/\&/,$line,2);
if ($filename eq $fname){
$found_file = 1;
}
}
my $current_disk_usage = &Apache::lonnet::diskusage($ENV{'user.domain'}, $ENV{'user.name'},$portfolio_root);
if (($current_disk_usage + $filesize) > $disk_quota){
$r->print('Unable to upload '.$fname.' (size = '.$filesize.' kilobytes. Disk quota will be exceeded.'.
' Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
}
elsif ($found_file){
$r->print('Unable to upload '.$fname.', a file by that name was found in '.$ENV{'form.currentpath'}.''.
' To upload, rename or delete existing '.$fname.' in '.$ENV{'form.currentpath'});
} else {
my $result=&Apache::lonnet::userfileupload('uploaddoc','',
'portfolio'.$ENV{'form.currentpath'});
if ($result !~ m|^/uploaded/|) {
$r->print(' An errror occured ('.$result.
') while trying to upload '.&display_file().' ');
}
}
$r->print(&done());
}
sub createdir {
my ($r)=@_;
my $newdir=&Apache::lonnet::clean_filename($ENV{'form.newdir'});
if ($newdir eq '') {
$r->print(''.
&mt("Error: no directory name was provided.").
' ');
$r->print(&done());
return;
}
my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
$ENV{'user.name'}).
'/userfiles/portfolio';
my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
$ENV{'user.domain'},
$ENV{'user.name'},$portfolio_root);
my $found_file = 0;
foreach my $line (@dir_list) {
my ($filename)=split(/\&/,$line,2);
if ($filename eq $newdir){
$found_file = 1;
}
}
if ($found_file){
$r->print(' Unable to create a directory named '.$newdir.
' a file or directory by that name already exists. ');
} else {
my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
$ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$newdir);
if ($result ne 'ok') {
$r->print(' An errror occured ('.$result.
') while trying to create a new directory '.&display_file().' ');
}
}
$r->print(&done());
}
sub handler {
# this handles file management
my $r = shift;
my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
$ENV{'user.name'}).
'/userfiles/portfolio';
&Apache::loncommon::no_cache($r);
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
# Give the LON-CAPA page header
$r->print(''.
&mt('Portfolio Manager').
"\n".
&Apache::loncommon::bodytag('Portfolio Manager'));
$r->rflush();
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['selectfile','currentpath',
'currentfile']);
if (($ENV{'form.storeupl'} eq 'Upload') & (!$ENV{'form.uploaddoc.filename'})){
$r->print(' No file was selected to upload.'.
'To upload a file, click Browse...'.
', select a file, then click Upload,');
}
if ($ENV{'form.uploaddoc.filename'}) {
&upload($r);
} elsif ($ENV{'form.action'} eq 'delete' && $ENV{'form.confirmed'}) {
&delete_confirmed($r);
} elsif ($ENV{'form.action'} eq 'delete') {
&delete($r);
} elsif ($ENV{'form.action'} eq 'deletedir' && $ENV{'form.confirmed'}) {
&delete_dir_confirmed($r);
} elsif ($ENV{'form.action'} eq 'deletedir'){
&delete_dir($r);
} elsif ($ENV{'form.action'} eq 'rename' && $ENV{'form.confirmed'}) {
&rename_confirmed($r);
} elsif ($ENV{'form.action'} eq 'rename') {
&rename($r);
} elsif ($ENV{'form.createdir'}) {
&createdir($r);
} else {
my $current_path='/';
if ($ENV{'form.currentpath'}) {
$current_path = $ENV{'form.currentpath'};
}
my @dir_list=&Apache::lonnet::dirlist($current_path,
$ENV{'user.domain'},
$ENV{'user.name'},$portfolio_root);
if ($dir_list[0] eq 'no_such_dir'){
# two main reasons for this:
# 1) never been here, so directory structure not created
# 2) back-button navigation after deleting a directory
if ($current_path eq '/'){
&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
$ENV{'user.domain'},'portfolio');
} else {
# some directory that snuck in get rid of the directory
# from the recent pulldown, just in case
&Apache::lonhtmlcommon::remove_recent('portfolio',
[$current_path]);
$current_path = '/'; # force it back to the root
}
# now grab the directory list again, for the first time
@dir_list=&Apache::lonnet::dirlist($current_path,
$ENV{'user.domain'},
$ENV{'user.name'},$portfolio_root);
}
# need to know if directory is empty so it can be removed if desired
my $is_empty=(@dir_list == 2);
&display_directory($r,$current_path,$is_empty,\@dir_list);
$r->print("\n