# 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, $current_mode, $field_name) = @_;
my $anchor = ''.$filename.'';
return $anchor;
}
my $dirptr=16384;
sub display_common {
my ($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);
$r->print(''.&make_anchor('portfolio','/',$ENV{"form.mode"},$ENV{"form.fieldname"}).'/');
if (@tree > 1){
my $newCurrentPath = '';
for (my $i = 1; $i< @tree; $i++){
$newCurrentPath .= $tree[$i].'/';
$r->print(&make_anchor($tree[$i],'/'.$newCurrentPath, $ENV{"form.mode"},$ENV{"form.fieldname"}).'/');
}
}
$r->print('');
&Apache::lonhtmlcommon::store_recent('portfolio',$current_path,$current_path);
$r->print(' ");
}
sub display_directory {
my ($r,$current_path,$is_empty,$dir_list)=@_;
my $iconpath= $r->dir_config('lonIconsURL') . "/";
my $display_out;
my %locked_files = &Apache::lonnet::get_marked_as_readonly_hash ($ENV{'user.domain'},$ENV{'user.name'});
if ($is_empty && ($current_path ne '/')) {
$display_out = '';
$r->print($display_out);
return;
}
$r->print('
'.
'
Actions
Name
Size
Last Modified
');
my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
$r->print('
');
}
sub display_file_select {
my ($r,$current_path,$is_empty,$dir_list)=@_;
my $iconpath= $r->dir_config('lonIconsURL') . "/";
my $display_out;
my $checked_files = &Apache::lonnet::files_in_path($ENV{'user.name'}, $ENV{'form.currentpath'});
if ($is_empty && ($current_path ne '/')) {
$display_out = '';
$r->print($display_out);
return;
}
$r->print('
'.
'
Select
Name
Size
Last Modified
');
my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
$r->print('
');
}
sub prettyinput {
my ($type,$value,$fieldname,$formname,
$relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_;
if (! defined($size)) {
$size = 80;
}
# Language
if ($type eq 'language') {
return &Apache::lonmeta::selectbox($fieldname,
$value,
\&Apache::loncommon::languagedescription,
(&Apache::loncommon::languageids)).
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Copyright
if ($type eq 'copyright') {
return &Apache::lonmeta::selectbox($fieldname,
$value,
\&Apache::loncommon::copyrightdescription,
(&Apache::loncommon::copyrightids)).
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Source Copyright
if ($type eq 'sourceavail') {
return &Apache::lonmeta::selectbox($fieldname,
$value,
\&Apache::loncommon::source_copyrightdescription,
(&Apache::loncommon::source_copyrightids)).
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Gradelevels
if (($type eq 'lowestgradelevel') ||
($type eq 'highestgradelevel')) {
return &Apache::loncommon::select_level_form($value,$fieldname).
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Obsolete
if ($type eq 'obsolete') {
return ''.
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Obsolete replacement file
if ($type eq 'obsoletereplacement') {
return '".&mt('Select').''.
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Customdistribution file
if ($type eq 'customdistributionfile') {
return '".&mt('Select').''.
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Source Customdistribution file
if ($type eq 'sourcerights') {
return '".&mt('Select').''.
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# Dates
if (($type eq 'creationdate') ||
($type eq 'lastrevisiondate')) {
return
&Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
# No pretty input found
$value=~s/^\s+//gs;
$value=~s/\s+$//gs;
$value=~s/\s+/ /gs;
$value=~s/\"/\"\;/gs;
return
''.
&relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
$relatedvalue);
}
sub relatedfield {
my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
if (! $relatedsearchflag) {
return '';
}
if (! defined($relatedsep)) {
$relatedsep=' ';
}
if (! $show) {
return $relatedsep.' ';
}
return $relatedsep.'';
}
# The field names
sub fieldnames {
return &Apache::lonlocal::texthash
(
'title' => 'Title',
'author' =>'Author(s)',
'authorspace' => 'Author Space',
'modifyinguser' => 'Last Modifying User',
'subject' => 'Subject',
'keywords' => 'Keyword(s)',
'notes' => 'Notes',
'abstract' => 'Abstract',
'lowestgradelevel' => 'Lowest Grade Level',
'highestgradelevel' => 'Highest Grade Level',
'standards' => 'Standards',
'mime' => 'MIME Type',
'language' => 'Language',
'creationdate' => 'Creation Date',
'lastrevisiondate' => 'Last Revision Date',
'owner' => 'Publisher/Owner',
'copyright' => 'Copyright/Distribution',
'customdistributionfile' => 'Custom Distribution File',
'sourceavail' => 'Source Available',
'sourcerights' => 'Source Custom Distribution File',
'obsolete' => 'Obsolete',
'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
'count' => 'Network-wide number of accesses (hits)',
'course' => 'Network-wide number of courses using resource',
'course_list' => 'Network-wide courses using resource',
'sequsage' => 'Number of resources using or importing resource',
'sequsage_list' => 'Resources using or importing resource',
'goto' => 'Number of resources that follow this resource in maps',
'goto_list' => 'Resources that follow this resource in maps',
'comefrom' => 'Number of resources that lead up to this resource in maps',
'comefrom_list' => 'Resources that lead up to this resource in maps',
'clear' => 'Material presented in clear way',
'depth' => 'Material covered with sufficient depth',
'helpful' => 'Material is helpful',
'correct' => 'Material appears to be correct',
'technical' => 'Resource is technically correct',
'avetries' => 'Average number of tries till solved',
'stdno' => 'Total number of students who have worked on this problem',
'difficulty' => 'Degree of difficulty',
'disc' => 'Degree of discrimination',
'dependencies' => 'Resources used by this resource',
);
}
sub edit_meta_data {
my ($r,$uri) = @_;
# Construction Space Call
# Header
my $disuri=$uri;
my $fn=&Apache::lonnet::filelocation('',$uri);
$disuri=~s/^\/\~/\/priv\//;
$disuri=~s/\.meta$//;
my $target=$uri;
$target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
$target=~s/\.meta$//;
$r->print('');
my %lt=&fieldnames();
my $output;
foreach ('author','title','subject','keywords','abstract','notes',
'copyright','customdistributionfile','language',
'standards',
'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
'obsolete','obsoletereplacement') {
if (defined($ENV{'form.new_'.$_})) {
$Apache::lonpublisher::metadatafields{$_}=
$ENV{'form.new_'.$_};
}
if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
$Apache::lonpublisher::metadatafields{'copyright'}=
'default';
}
$output.=('
');
}
sub delete {
my ($r)=@_;
my @check;
my $file_name = $ENV{'form.currentpath'}.$ENV{'form.selectfile'};
my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
if (&Apache::lonnet::is_locked($file_name,$ENV{'user.domain'},$ENV{'user.name'} ) eq 'true') {
$r->print ("The file is locked and cannot be deleted. ");
$r->print(&done());
} else {
if (scalar(@files)) {
&open_form($r);
$r->print('
');
&close_form($r);
} else {
$r->print("No file was checked to delete. ");
$r->print(&done());
}
}
}
sub delete_confirmed {
my ($r)=@_;
my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
my $result;
foreach my $delete_file (@files) {
$result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
$ENV{'user.domain'},'portfolio'.
$ENV{'form.currentpath'}.
$delete_file);
if ($result ne 'ok') {
$r->print(' An error occured ('.$result.
') while trying to delete '.&display_file(undef, $delete_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)=@_;
my $file_name = $ENV{'form.currentpath'}.$ENV{'form.rename'};
if (&Apache::lonnet::is_locked($file_name,$ENV{'user.domain'},$ENV{'user.name'}) eq 'true') {
$r->print ("The file is locked and cannot be renamed. ");
$r->print(&done());
} else {
&open_form($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'}.$filenewname);
if ($result ne 'ok') {
$r->print(' An errror occured ('.$result.
') while trying to rename '.&display_file().' to '.
&display_file(undef,$filenewname).' ');
}
if ($filenewname ne $ENV{'form.filenewname'}) {
$r->print("The new file name was changed from: ".$ENV{'form.filenewname'}." to $filenewname ");
}
$r->print(&done());
}
sub select_files {
my ($r)=@_;
if ($ENV{'form.continue'} eq 'true') {
# here we update the selections for the currentpath
# eventually, have to handle removing those not checked, but . . .
my @items=&Apache::loncommon::get_env_multiple('form.selectfile');
&Apache::lonnet::save_selected_files($ENV{'user.name'}, $ENV{'form.currentpath'}, @items);
} else {
if ($ENV{'form.currentpath'} eq '/') {
#empty the file for a fresh start
# &Apache::lonnet::clear_selected_files($ENV{'user.name'});
}
}
my @files = &Apache::lonnet::files_not_in_path($ENV{'user.name'}, $ENV{'form.currentpath'});
my $java_files = join ",", @files;
if ($java_files) {
$java_files.=',';
}
my $javascript =(<
function finishSelect() {
ENDSMP
$javascript .= 'fileList = "'.$java_files.'";';
$javascript .= (<
ENDSMP
$r->print($javascript);
$r->print("
Select portfolio files
Check as many as you wish in response to the essay problem. ");
$r->print("Files selected from other directories: ");
foreach (&Apache::lonnet::files_not_in_path($ENV{'user.name'}, $ENV{'form.currentpath'})) {
$r->print($_." ");
}
}
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/1000) + $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().' ');
}
}
if ($newdir ne $ENV{'form.newdir'}) {
$r->print("The new directory name was changed from: ".$ENV{'form.newdir'}." to $newdir ");
}
$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','meta',
'currentfile','action','fieldname','mode','rename']);
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.meta'}) {
&open_form($r);
$r->print(&edit_meta_data($r, $ENV{'form.currentpath'}.$ENV{'form.selectfile'}));
$r->print('Edit the meta data ');
&close_form($r);
}
if ($ENV{'form.store'}) {
}
if ($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.rename'}) {
$ENV{'form.selectfile'} = $ENV{'form.rename'};
$ENV{'form.action'} = 'rename';
&rename($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 $is_empty=(@dir_list == 2);
&display_common($r,$current_path,$is_empty,\@dir_list);
if ($ENV{"form.mode"} eq 'selectfile'){
&select_files($r);
&display_file_select($r,$current_path,$is_empty,\@dir_list);
} else {
&display_directory($r,$current_path,$is_empty,\@dir_list);
}
$r->print("\n