# The LearningOnline Network
# Documents
#
# $Id: londocs.pm,v 1.241 2006/07/20 18:37:14 www 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/
#
package Apache::londocs;
use strict;
use Apache::Constants qw(:common :http);
use Apache::imsexport;
use Apache::lonnet;
use Apache::loncommon;
use Apache::lonratedt;
use Apache::lonratsrv;
use Apache::lonxml;
use Apache::loncreatecourse;
use Apache::lonnavmaps;
use HTML::Entities;
use GDBM_File;
use Apache::lonlocal;
use Cwd;
use lib '/home/httpd/lib/perl/';
use LONCAPA;
my $iconpath;
my %hash;
my $hashtied;
my %alreadyseen=();
my $hadchanges;
# Available help topics
my %help=();
# Mapread read maps into lonratedt::global arrays
# @order and @resources, determines status
# sets @order - pointer to resources in right order
# sets @resources - array with the resources with correct idx
#
sub mapread {
my ($coursenum,$coursedom,$map)=@_;
return
&Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
$map);
}
sub storemap {
my ($coursenum,$coursedom,$map)=@_;
my ($outtext,$errtext)=
&Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
$map,1);
if ($errtext) { return ($errtext,2); }
$hadchanges=1;
return ($errtext,0);
}
# ----------------------------------------- Return hash with valid author names
sub authorhosts {
my %outhash=();
my $home=0;
my $other=0;
foreach (keys %env) {
if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
my $role=$1;
my $realm=$2;
my ($start,$end)=split(/\./,$env{$_});
if (($start) && ($start>time)) { next; }
if (($end) && (time>$end)) { next; }
my $ca; my $cd;
if ($1 eq 'au') {
$ca=$env{'user.name'};
$cd=$env{'user.domain'};
} else {
($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);
}
my $allowed=0;
my $myhome=&Apache::lonnet::homeserver($ca,$cd);
my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
if ($allowed) {
$home++;
$outhash{'home_'.$ca.'@'.$cd}=1;
} else {
$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
$other++;
}
}
}
return ($home,$other,%outhash);
}
# ------------------------------------------------------ Generate "dump" button
sub dumpbutton {
my ($home,$other,%outhash)=&authorhosts();
my $type = &Apache::loncommon::course_type();
if ($home+$other==0) { return ''; }
my $output='
'.
&mt('Dump '.$type.
' DOCS to Construction Space: available on other servers');
}
}
sub clean {
my ($title)=@_;
$title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
return $title;
}
# -------------------------------------------------------- Actually dump course
sub dumpcourse {
my ($r) = @_;
my $type = &Apache::loncommon::course_type();
$r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
'');
}
}
# ------------------------------------------------------ Generate "export" button
sub exportbutton {
my $type = &Apache::loncommon::course_type();
return '
'.
''.
&Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
}
sub exportcourse {
my $r=shift;
my $type = &Apache::loncommon::course_type();
my %discussiontime = &Apache::lonnet::dump('discussiontimes',
$env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
my $numdisc = keys %discussiontime;
my $navmap = Apache::lonnavmaps::navmap->new();
my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
my $curRes;
my $outcome;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['finishexport']);
if ($env{'form.finishexport'}) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['archive','discussion']);
my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
if (@exportitems == 0 && @discussions == 0) {
$outcome = ' As you did not select any content items or discussions for export, an IMS package has not been created. Please go back to select either content items or discussions for export';
} else {
my $now = time;
my %symbs;
my $manifestok = 0;
my $imsresources;
my $tempexport;
my $copyresult;
my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
if ($manifestok) {
&build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
close($ims_manifest);
#Create zip file in prtspool
my $imszipfile = '/prtspool/'.
$env{'user.name'}.'_'.$env{'user.domain'}.'_'.
time.'_'.rand(1000000000).'.zip';
my $cwd = &Cwd::getcwd();
my $imszip = '/home/httpd/'.$imszipfile;
chdir $tempexport;
open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
close(OUTPUT);
chdir $cwd;
$outcome .= &mt('Download the zip file from IMS '.lc($type).' archive ',$imszipfile,);
if ($copyresult) {
$outcome .= 'The following errors occurred during export - '.$copyresult;
}
} else {
$outcome = ' Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file. ';
}
}
$r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
$r->print($outcome);
$r->print(&Apache::loncommon::end_page());
} else {
my $display;
$display = ''.
&Apache::loncommon::end_page());
}
}
sub create_ims_store {
my ($now,$manifestok,$outcome,$tempexport) = @_;
$$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
my $ims_manifest;
if (!-e $$tempexport) {
mkdir($$tempexport,0700);
}
$$tempexport .= '/'.$now;
if (!-e $$tempexport) {
mkdir($$tempexport,0700);
}
$$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
if (!-e $$tempexport) {
mkdir($$tempexport,0700);
}
if (!-e "$$tempexport/resources") {
mkdir("$$tempexport/resources",0700);
}
# open manifest file
my $manifest = '/imsmanifest.xml';
my $manifestfilename = $$tempexport.$manifest;
if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
$$manifestok=1;
print $ims_manifest
''."\n".
''."\n".
' '.$env{'request.course.id'}.''.$env{'course.'.$env{'request.course.id'}.'.description'}.''."\n".
' '."\n".
' '."\n".
' '.$env{'course.'.$env{'request.course.id'}.'.description'}.''
} else {
$$outcome .= 'An error occurred opening the IMS manifest file. '
;
}
return $ims_manifest;
}
sub build_package {
my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
# first iterator to look for dependencies
my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
my $curRes;
my $count = 0;
my $depth = 0;
my $lastcontainer = 0;
my %parent = ();
my @dependencies = ();
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
while ($curRes = $it->next()) {
if (ref($curRes)) {
$count ++;
}
if ($curRes == $it->BEGIN_MAP()) {
$depth++;
$parent{$depth} = $lastcontainer;
}
if ($curRes == $it->END_MAP()) {
$depth--;
$lastcontainer = $parent{$depth};
}
if (ref($curRes)) {
if ($curRes->is_sequence() || $curRes->is_page()) {
$lastcontainer = $count;
}
if (grep/^$count$/,@$exportitems) {
&get_dependencies($exportitems,\%parent,$depth,\@dependencies);
}
}
}
# second iterator to build manifest and store resources
$it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
$depth = 0;
my $prevdepth;
$count = 0;
my $imsresources;
my $pkgdepth;
while ($curRes = $it->next()) {
if ($curRes == $it->BEGIN_MAP()) {
$prevdepth = $depth;
$depth++;
}
if ($curRes == $it->END_MAP()) {
$prevdepth = $depth;
$depth--;
}
if (ref($curRes)) {
$count ++;
if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
my $symb = $curRes->symb();
my $isvisible = 'true';
my $resourceref;
if ($curRes->randomout()) {
$isvisible = 'false';
}
unless ($curRes->is_sequence()) {
$resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
}
my $step = $prevdepth - $depth;
if (($step >= 0) && ($count > 1)) {
while ($step >= 0) {
print $ims_manifest "\n".' '."\n";
$step --;
}
}
$prevdepth = $depth;
my $itementry =
''.
''.$curRes->title().'';
print $ims_manifest "\n".$itementry;
unless ($curRes->is_sequence()) {
my $content_file;
my @hrefs = ();
&process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
if ($content_file) {
$imsresources .= "\n".
' '."\n".
' '."\n";
foreach (@hrefs) {
$imsresources .=
' '."\n";
}
if (grep/^$count$/,@$discussions) {
my $ressymb = $symb;
my $mode;
if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
unless ($ressymb =~ m|adm/wrapper/adm|) {
$ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
}
$mode = 'board';
}
my %extras = (
caller => 'imsexport',
tempexport => $tempexport.'/resources',
count => $count
);
my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
}
$imsresources .= ' '."\n";
}
}
$pkgdepth = $depth;
}
}
}
while ($pkgdepth > 0) {
print $ims_manifest " \n";
$pkgdepth --;
}
my $resource_text = qq|
$imsresources
|;
print $ims_manifest $resource_text;
}
sub get_dependencies {
my ($exportitems,$parent,$depth,$dependencies) = @_;
if ($depth > 1) {
if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) {
push @$dependencies, $$parent{$depth};
if ($depth > 2) {
&get_dependencies($exportitems,$parent,$depth-1,$dependencies);
}
}
}
}
sub process_content {
my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
my $content_type;
my $message;
my @uploads = ();
if ($curRes->is_sequence()) {
$content_type = 'sequence';
} elsif ($curRes->is_page()) {
$content_type = 'page'; # need to handle individual items in pages.
} elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
$content_type = 'syllabus';
my $contents = &Apache::imsexport::templatedpage($content_type);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-\.sequence___\d+___ext-) {
$content_type = 'external';
my $title = $curRes->title;
my $contents = &Apache::imsexport::external($symb,$title);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-adm/navmaps$-) {
$content_type = 'navmap';
} elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
$content_type = 'simplepage';
my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
$content_type = 'simpleproblem';
my $contents = &Apache::imsexport::simpleproblem($symb);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
$content_type = 'examupload';
} elsif ($symb =~ m-adm/(\w+)/(\w+)/(\d+)/bulletinboard$-) {
$content_type = 'bulletinboard';
my $contents = &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
$content_type = 'aboutme';
my $contents = &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
} elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
my $canedit = 0;
if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'}) {
$canedit= 1;
}
# only include problem code where current user is author
if ($canedit) {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
} else {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
}
} elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
}
if (@uploads > 0) {
foreach my $item (@uploads) {
my $uploadmsg = '';
&replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
if ($uploadmsg) {
$$copyresult .= $uploadmsg."\n";
}
}
}
if ($message) {
$$copyresult .= $message."\n";
}
}
sub replicate_content {
my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
my ($map,$ind,$url);
if ($caller eq 'templateupload') {
$url = $symb;
$url =~ s#//#/#g;
} else {
($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
}
my $content;
my $filename;
my $repstatus;
my $content_name;
if ($url =~ m-/([^/]+)$-) {
$filename = $1;
if (!-e $tempexport.'/resources') {
mkdir($tempexport.'/resources',0700);
}
if (!-e $tempexport.'/resources/'.$count) {
mkdir($tempexport.'/resources/'.$count,0700);
}
my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
my $copiedfile;
if ($copiedfile = Apache::File->new('>'.$destination)) {
my $content;
if ($caller eq 'resource') {
my $respath = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
my $filepath = &Apache::lonnet::filelocation($respath,$url);
$content = &Apache::lonnet::getfile($filepath);
if ($content eq -1) {
$$message = 'Could not copy file '.$filename;
} else {
&extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
$repstatus = 'ok';
}
} elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
my $rtncode;
$repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
if ($repstatus eq 'ok') {
if ($url =~ /\.html?$/i) {
&extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
}
} else {
$$message = 'Could not render '.$url.' server message - '.$rtncode." \n";
}
} elsif ($caller eq 'noedit') {
# Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this.
$repstatus = 'ok';
$content = 'Not the owner of this resource';
}
if ($repstatus eq 'ok') {
print $copiedfile $content;
}
close($copiedfile);
} else {
$$message = 'Could not open destination file for '.$filename." \n";
}
} else {
$$message = 'Could not determine name of file for '.$symb." \n";
}
if ($repstatus eq 'ok') {
$content_name = 'resources/'.$count.'/'.$filename;
}
return $content_name;
}
sub extract_media {
my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
my ($dirpath,$container);
my %allfiles = ();
my %codebase = ();
if ($url =~ m-(.*/)([^/]+)$-) {
$dirpath = $1;
$container = $2;
} else {
$dirpath = $url;
$container = '';
}
&Apache::lonnet::extract_embedded_items(undef,undef,\%allfiles,\%codebase,$content);
foreach my $embed_file (keys(%allfiles)) {
my $filename;
if ($embed_file =~ m#([^/]+)$#) {
$filename = $1;
} else {
$filename = $embed_file;
}
my $newname = 'res/'.$filename;
my ($rtncode,$embed_content,$repstatus);
my $embed_url;
if ($embed_file =~ m-^/-) {
$embed_url = $embed_file; # points to absolute path
} else {
if ($embed_file =~ m-https?://-) {
next; # points to url
} else {
$embed_url = $dirpath.$embed_file; # points to relative path
}
}
if ($caller eq 'resource') {
my $respath = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url);
$embed_content = &Apache::lonnet::getfile($embed_path);
unless ($embed_content eq -1) {
$repstatus = 'ok';
}
} elsif ($caller eq 'uploaded') {
$repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
}
if ($repstatus eq 'ok') {
my $destination = $tempexport.'/resources/'.$count.'/res';
if (!-e "$destination") {
mkdir($destination,0755);
}
$destination .= '/'.$filename;
my $copiedfile;
if ($copiedfile = Apache::File->new('>'.$destination)) {
print $copiedfile $embed_content;
push @{$href}, 'resources/'.$count.'/res/'.$filename;
my $attrib_regexp = '';
if (@{$allfiles{$embed_file}} > 1) {
$attrib_regexp = join('|',@{$allfiles{$embed_file}});
} else {
$attrib_regexp = $allfiles{$embed_file}[0];
}
$$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
$$content =~ s#\Q$embed_file\E#$newname#gi;
}
}
} else {
$$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode." \n";
}
}
return;
}
sub store_template {
my ($contents,$tempexport,$count,$content_type) = @_;
if ($contents) {
if ($tempexport) {
if (!-e $tempexport.'/resources') {
mkdir($tempexport.'/resources',0700);
}
if (!-e $tempexport.'/resources/'.$count) {
mkdir($tempexport.'/resources/'.$count,0700);
}
my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
my $storetemplate;
if ($storetemplate = Apache::File->new('>'.$destination)) {
print $storetemplate $contents;
close($storetemplate);
}
if ($content_type eq 'external') {
return 'resources/'.$count.'/'.$content_type.'.html';
} else {
return 'resources/'.$count.'/'.$content_type.'.xml';
}
}
}
}
# Imports the given (name, url) resources into the course
# coursenum, coursedom, and folder must precede the list
sub group_import {
my $coursenum = shift;
my $coursedom = shift;
my $folder = shift;
my $container = shift;
my $caller = shift;
while (@_) {
my $name = shift;
my $url = shift;
if (($url =~ m#^/uploaded/$coursedom/$coursenum/(default_\d+\.)(page|sequence)$#) && ($caller eq 'londocs')) {
my $errtext = '';
my $fatal = 0;
my $newmapstr = '';
$env{'form.output'}=$newmapstr;
my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
'output',$1.$2);
if ($result != m|^/uploaded/|) {
$errtext.='Map not saved: A network error occured when trying to save the new map. ';
$fatal = 2;
}
if ($fatal) {
return ($errtext,$fatal);
}
}
if ($url) {
my $idx = &Apache::lonratedt::getresidx($url);
$Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx;
my $ext = 'false';
if ($url=~/^http:\/\//) { $ext = 'true'; }
$url =~ s/:/\:/g;
$name =~ s/:/\:/g;
$Apache::lonratedt::resources[$idx] =
join ':', ($name, $url, $ext, 'normal', 'res');
}
}
return &storemap($coursenum, $coursedom, $folder.'.'.$container);
}
sub breadcrumbs {
my ($where)=@_;
&Apache::lonhtmlcommon::clear_breadcrumbs();
my (@folders);
if ($env{'form.pagepath'}) {
@folders = split('&',$env{'form.pagepath'});
} else {
@folders=split('&',$env{'form.folderpath'});
}
my $folderpath;
my $cpinfo='';
if ($env{'form.markedcopy_url'}) {
$cpinfo='&markedcopy_url='.
&escape($env{'form.markedcopy_url'}).
'&markedcopy_title='.
&escape($env{'form.markedcopy_title'});
}
while (@folders) {
my $folder=shift(@folders);
my $foldername=shift(@folders);
if ($folderpath) {$folderpath.='&';}
$folderpath.=$folder.'&'.$foldername;
my $url='/adm/coursedocs?folderpath='.
&escape($folderpath);
&Apache::lonhtmlcommon::add_breadcrumb(
{'href'=>$url.$cpinfo,
'title'=>&unescape($foldername),
'text'=>''.
&unescape($foldername).''
});
}
return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
'LC_docs_path');
}
sub editor {
my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output)=@_;
my $errtext='';
my $fatal=0;
my $container='sequence';
if ($env{'form.pagepath'}) {
$container='page';
}
($errtext,$fatal)=
&mapread($coursenum,$coursedom,$folder.'.'.$container);
if ($#Apache::lonratedt::order<1) {
my $idx=&Apache::lonratedt::getresidx();
if ($idx<=0) { $idx=1; }
$Apache::lonratedt::order[0]=$idx;
$Apache::lonratedt::resources[$idx]='';
}
if (defined($env{'form.markcopy'})) {
# Mark for copying
my ($title,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$env{'form.markcopy'}]]);
$env{'form.markedcopy_title'}=$title;
$env{'form.markedcopy_url'}=$url;
}
$r->print(&breadcrumbs($folder));
if ($fatal) {
$r->print('
'.$errtext.'
');
} else {
# ------------------------------------------------------------ Process commands
# ---------------- if they are for this folder and user allowed to make changes
if (($allowed) && ($env{'form.folder'} eq $folder)) {
# set parameters and change order
if (defined($env{'form.setparms'})) {
my $idx=$env{'form.setparms'};
# set parameters
if ($env{'form.randpick_'.$idx}) {
&Apache::lonratedt::storeparameter($idx,'parameter_randompick',$env{'form.randpick_'.$idx},'int_pos');
} else {
&Apache::lonratedt::delparameter($idx,'parameter_randompick');
}
if ($env{'form.hidprs_'.$idx}) {
&Apache::lonratedt::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno');
} else {
&Apache::lonratedt::delparameter($idx,'parameter_hiddenresource');
}
if ($env{'form.encprs_'.$idx}) {
&Apache::lonratedt::storeparameter($idx,'parameter_encrypturl','yes','string_yesno');
} else {
&Apache::lonratedt::delparameter($idx,'parameter_encrypturl');
}
if ($env{'form.newpos'}) {
# change order
my $newpos=$env{'form.newpos'}-1;
my $currentpos=$env{'form.currentpos'}-1;
my $i;
my @neworder=();
if ($newpos>$currentpos) {
# moving stuff up
for ($i=0;$i<$currentpos;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
for ($i=$currentpos;$i<$newpos;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i+1];
}
$neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
for ($i=$newpos+1;$i<=$#Apache::lonratedt::order;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
} else {
# moving stuff down
for ($i=0;$i<$newpos;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
$neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
for ($i=$newpos+1;$i<$currentpos+1;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i-1];
}
for ($i=$currentpos+1;$i<=$#Apache::lonratedt::order;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
}
@Apache::lonratedt::order=@neworder;
}
# store the changed version
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
if ($fatal) {
$r->print('
'.$errtext.'
');
return;
}
}
if ($env{'form.pastemarked'}) {
# paste resource to end of list
my $url=$env{'form.markedcopy_url'};
my $title=$env{'form.markedcopy_title'};
# Maps need to be copied first
if (($url=~/\.(page|sequence)$/) || ($url=~/^\/uploaded\//)) {
$title=&mt('Copy of').' '.$title;
my $newid=$$.time;
$url=~/^(.+)\.(\w+)$/;
my $newurl=$1.$newid.'.'.$2;
my $storefn=$newurl;
$storefn=~s/^\/\w+\/\w+\/\w+\///;
&Apache::loncreatecourse::writefile
($env{'request.course.id'},$storefn,
&Apache::lonnet::getfile($url));
$url=$newurl;
}
$title=~s/\\<\;/g;
$title=~s/\>/\>\;/g;
$title=~s/\:/\:/g;
my $ext='false';
if ($url=~/^http\:\/\//) { $ext='true'; }
$url=~s/\:/\:/g;
# Now insert the URL at the bottom
my $newidx=&Apache::lonratedt::getresidx($url);
$Apache::lonratedt::resources[$newidx]=
$title.':'.$url.':'.$ext.':normal:res';
$Apache::lonratedt::order[1+$#Apache::lonratedt::order]=$newidx;
# Store the result
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
if ($fatal) {
$r->print('
'.$errtext.'
');
return;
}
}
$r->print($upload_output);
if ($env{'form.cmd'}) {
my ($cmd,$idx)=split(/\_/,$env{'form.cmd'});
if ($cmd eq 'del') {
my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
&Apache::lonnet::removeuploadedurl($url);
} else {
&Apache::lonratedt::makezombie($Apache::lonratedt::order[$idx]);
}
for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
$Apache::lonratedt::order[$i]=
$Apache::lonratedt::order[$i+1];
}
$#Apache::lonratedt::order--;
} elsif ($cmd eq 'cut') {
my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
&Apache::lonratedt::makezombie($Apache::lonratedt::order[$idx]);
for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
$Apache::lonratedt::order[$i]=
$Apache::lonratedt::order[$i+1];
}
$#Apache::lonratedt::order--;
} elsif ($cmd eq 'up') {
if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {
my $i=$Apache::lonratedt::order[$idx-1];
$Apache::lonratedt::order[$idx-1]=
$Apache::lonratedt::order[$idx];
$Apache::lonratedt::order[$idx]=$i;
}
} elsif ($cmd eq 'down') {
if (defined($Apache::lonratedt::order[$idx+1])) {
my $i=$Apache::lonratedt::order[$idx+1];
$Apache::lonratedt::order[$idx+1]=
$Apache::lonratedt::order[$idx];
$Apache::lonratedt::order[$idx]=$i;
}
} elsif ($cmd eq 'rename') {
my $ratstr = $Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]];
my ($rtitle,@rrest)=split(/\:/,
$Apache::lonratedt::resources[
$Apache::lonratedt::order[$idx]]);
my $comment=
&HTML::Entities::decode($env{'form.title'});
$comment=~s/\\<\;/g;
$comment=~s/\>/\>\;/g;
$comment=~s/\:/\:/g;
if ($comment=~/\S/) {
$Apache::lonratedt::resources[
$Apache::lonratedt::order[$idx]]=
$comment.':'.join(':',@rrest);
}
# Devalidate title cache
my $renamed_url=$rrest[0];
# Has the :-escaping
$renamed_url=~s/\&colon\;/\:/g;
&Apache::lonnet::devalidate_title_cache($renamed_url);
}
# Store the changed version
($errtext,$fatal)=&storemap($coursenum,$coursedom,
$folder.'.'.$container);
if ($fatal) {
$r->print('
'.$errtext.'
');
return;
}
}
# Group import/search
if ($env{'form.importdetail'}) {
my @imports;
&Apache::lonnet::logthis("imp detail ".$env{'form.importdetail'});
foreach (split(/\&/,$env{'form.importdetail'})) {
if (defined($_)) {
my ($name,$url)=split(/\=/,$_);
$name=&unescape($name);
$url=&unescape($url);
push @imports, $name, $url;
}
}
# Store the changed version
($errtext,$fatal)=group_import($coursenum, $coursedom, $folder,
$container,'londocs',@imports);
if ($fatal) {
$r->print('
'.$errtext.'
');
return;
}
}
# Loading a complete map
if ($env{'form.loadmap'}) {
if ($env{'form.importmap'}=~/\w/) {
foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
my ($title,$url,$ext,$type)=split(/\:/,$_);
my $idx=&Apache::lonratedt::getresidx($url);
$Apache::lonratedt::resources[$idx]=$_;
$Apache::lonratedt::order
[$#Apache::lonratedt::order+1]=$idx;
}
# Store the changed version
($errtext,$fatal)=&storemap($coursenum,$coursedom,
$folder.'.'.$container);
if ($fatal) {
$r->print('
'.$errtext.'
');
return;
}
} else {
$r->print('
'.&mt('No map selected.').'
');
}
}
}
# ---------------------------------------------------------------- End commands
# ---------------------------------------------------------------- Print screen
my $idx=0;
my $shown=0;
$r->print('
\n");
if ($env{'form.markedcopy_url'}) {
$r->print(<');
}
}
}
sub process_file_upload {
my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
# upload a file, if present
my $parseaction;
if ($env{'form.parserflag'}) {
$parseaction = 'parse';
}
my $phase_status;
my $folder=$env{'form.folder'};
if ($folder eq '') {
$folder='default';
}
if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
my $errtext='';
my $fatal=0;
my $container='sequence';
if ($env{'form.pagepath'}) {
$container='page';
}
($errtext,$fatal)=
&mapread($coursenum,$coursedom,$folder.'.'.$container);
if ($#Apache::lonratedt::order<1) {
$Apache::lonratedt::order[0]=1;
$Apache::lonratedt::resources[1]='';
}
if ($fatal) {
return 'failed';
}
my $destination = 'docs/';
if ($folder =~ /^supplemental/) {
$destination = 'supplemental/';
}
if (($folder eq 'default') || ($folder eq 'supplemental')) {
$destination .= 'default/';
} elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
$destination .= $2.'/';
}
# this is for a course, not a user, so set coursedoc flag
# probably the only place in the system where this should be "1"
my $newidx=&Apache::lonratedt::getresidx();
$destination .= $newidx;
my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
$parseaction,$allfiles,
$codebase);
my $ext='false';
if ($url=~/^http\:\/\//) { $ext='true'; }
$url=~s/\:/\:/g;
my $comment=$env{'form.comment'};
$comment=~s/\\<\;/g;
$comment=~s/\>/\>\;/g;
$comment=~s/\:/\:/g;
if ($folder=~/^supplemental/) {
$comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
$env{'user.domain'}.'___&&&___'.$comment;
}
$Apache::lonratedt::resources[$newidx]=
$comment.':'.$url.':'.$ext.':normal:res';
$Apache::lonratedt::order[$#Apache::lonratedt::order+1]= $newidx;
($errtext,$fatal)=&storemap($coursenum,$coursedom,
$folder.'.'.$container);
if ($fatal) {
$$upload_output .= '
'.$errtext.'
';
return 'failed';
} else {
if ($parseaction eq 'parse') {
my $total_embedded = keys(%{$allfiles});
if ($total_embedded > 0) {
my $num = 0;
$$upload_output .= 'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.
';
} else {
$$upload_output .= 'No embedded items identified ';
}
}
}
}
return $phase_status;
}
sub process_secondary_uploads {
my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
my $folder=$env{'form.folder'};
my $destination = 'docs/';
if ($folder =~ /^supplemental/) {
$destination = 'supplemental/';
}
if (($folder eq 'default') || ($folder eq 'supplemental')) {
$destination .= 'default/';
} elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
$destination .= $2.'/';
}
$destination .= $newidx;
my ($url,$filename);
$url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
($filename) = ($url =~ m-^/uploaded/$coursedom/$coursenum/$destination/(.+)$-);
return $filename;
}
# --------------------------------------------------------------- An entry line
sub entryline {
my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
$title=~s/\&colon\;/\:/g;
$title=&HTML::Entities::encode(&HTML::Entities::decode(
&unescape($title)),'"<>&\'');
my $renametitle=$title;
my $foldertitle=$title;
my $pagetitle=$title;
my $orderidx=$Apache::lonratedt::order[$index];
if ($title=~ /^(\d+)___&&&___(\w+)___&&&___(\w+)___&&&___(.*)$/ ) {
$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
$renametitle=$4;
$title=''.&Apache::lonlocal::locallocaltime($1).' '.
&Apache::loncommon::plainname($2,$3).': '.
$foldertitle;
}
$renametitle=~s/\\/\\\\/g;
$renametitle=~s/\"\;/\\\"/g;
my $line='
';
# Edit commands
my $container;
my $folderpath;
if ($env{'form.folderpath'}) {
$container = 'sequence';
$folderpath=&escape($env{'form.folderpath'});
# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
}
my ($pagepath,$pagesymb);
if ($env{'form.pagepath'}) {
$container = 'page';
$pagepath=&escape($env{'form.pagepath'});
$pagesymb=&escape($env{'form.pagesymb'});
}
my $cpinfo='';
if ($env{'form.markedcopy_url'}) {
$cpinfo='&markedcopy_url='.
&escape($env{'form.markedcopy_url'}).
'&markedcopy_title='.
&escape($env{'form.markedcopy_title'});
}
if ($allowed) {
my $incindex=$index+1;
my $selectbox='';
if (($folder!~/^supplemental/) &&
($#Apache::lonratedt::order>0) &&
((split(/\:/,
$Apache::lonratedt::resources[$Apache::lonratedt::order[0]]))[1]
ne '') &&
((split(/\:/,
$Apache::lonratedt::resources[$Apache::lonratedt::order[1]]))[1]
ne '')) {
$selectbox=
''.
'';
}
my %lt=&Apache::lonlocal::texthash(
'up' => 'Move Up',
'dw' => 'Move Down',
'rm' => 'Remove',
'ct' => 'Cut',
'rn' => 'Rename',
'cp' => 'Copy');
my $nocopy=0;
if ($url=~/\.(page|sequence)$/) {
foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url))) {
my ($title,$url,$ext,$type)=split(/\:/,$_);
if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
$nocopy=1;
last;
}
}
}
my $copylink=' ';
if ($env{'form.pagepath'}) {
unless ($nocopy) {
$copylink=(<
$lt{'cp'}
ENDCOPY
}
$line.=(<
$lt{'rm'}
$lt{'ct'}
$lt{'rn'}
$copylink
END
}
}
# Figure out what kind of a resource this is
my ($extension)=($url=~/\.(\w+)$/);
my $uploaded=($url=~/^\/*uploaded\//);
my $icon=&Apache::loncommon::icon($url);
my $isfolder=0;
my $ispage=0;
my $folderarg;
my $pagearg;
my $pagefile;
if ($uploaded) {
if ($extension eq 'sequence') {
$icon=$iconpath.'/folder_closed.gif';
$url=~/$coursenum\/([\/\w]+)\.sequence$/;
$url='/adm/coursedocs?';
$folderarg=$1;
$isfolder=1;
} elsif ($extension eq 'page') {
$icon=$iconpath.'/page.gif';
$url=~/$coursenum\/([\/\w]+)\.page$/;
$pagearg=$1;
$url='/adm/coursedocs?';
$ispage=1;
} else {
&Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
}
}
$url=~s-^http(\&colon\;|:)//-/adm/wrapper/ext/-;
if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
my $symb=&Apache::lonnet::symbclean(
&Apache::lonnet::declutter('uploaded/'.
$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
$env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
'.sequence').
'___'.$residx.'___'.
&Apache::lonnet::declutter($url));
(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
$url=&Apache::lonnet::clutter($url);
if ($url=~/^\/*uploaded\//) {
$url=~/\.(\w+)$/;
my $embstyle=&Apache::loncommon::fileembstyle($1);
if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
$url='/adm/wrapper'.$url;
} elsif ($embstyle eq 'ssi') {
#do nothing with these
} elsif ($url!~/\.(sequence|page)$/) {
$url='/adm/coursedocs/showdoc'.$url;
}
} elsif ($url=~m|^/ext/|) {
$url='/adm/wrapper'.$url;
}
if (&Apache::lonnet::symbverify($symb,$url)) {
$url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
} else {
$url='';
}
if ($container eq 'page') {
my $symb=$env{'form.pagesymb'};
$url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
$url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
}
}
my $parameterset=' ';
if ($isfolder || $extension eq 'sequence') {
my $foldername=&escape($foldertitle);
my $folderpath=$env{'form.folderpath'};
if ($folderpath) { $folderpath.='&' };
$folderpath.=$folderarg.'&'.$foldername;
$url.='folderpath='.&escape($folderpath).$cpinfo;
$parameterset='';
}
if ($ispage) {
my $pagename=&escape($pagetitle);
my $pagepath;
my $folderpath=$env{'form.folderpath'};
if ($folderpath) { $pagepath = $folderpath.'&' };
$pagepath.=$pagearg.'&'.$pagename;
my $symb=$env{'form.pagesymb'};
if (!$symb) {
my $path='uploaded/'.
$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
$symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
$residx,
$path.$pagearg.'.page');
}
$url.='pagepath='.&escape($pagepath).
'&pagesymb='.&escape($symb).$cpinfo;
}
$line.='
";
if (($allowed) && ($folder!~/^supplemental/)) {
my %lt=&Apache::lonlocal::texthash(
'hd' => 'Hidden',
'ec' => 'URL hidden');
my $enctext=
((&Apache::lonratedt::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
my $hidtext=
((&Apache::lonratedt::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
$line.=(<
$parameterset
ENDPARMS
}
$line.="
";
return $line;
}
# ---------------------------------------------------------------- tie the hash
sub tiehash {
my ($mode)=@_;
$hashtied=0;
if ($env{'request.course.fn'}) {
if ($mode eq 'write') {
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
&GDBM_WRCREAT(),0640)) {
$hashtied=2;
}
} else {
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
&GDBM_READER(),0640)) {
$hashtied=1;
}
}
}
}
sub untiehash {
if ($hashtied) { untie %hash; }
$hashtied=0;
return OK;
}
# --------------------------------------------------------------- check on this
sub checkonthis {
my ($r,$url,$level,$title)=@_;
$url=&unescape($url);
$alreadyseen{$url}=1;
$r->rflush();
if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
$r->print("\n ");
for (my $i=0;$i<=$level*5;$i++) {
$r->print(' ');
}
$r->print(''.
($title?$title:$url).' ');
if ($url=~/^\/res\//) {
my $result=&Apache::lonnet::repcopy(
&Apache::lonnet::filelocation('',$url));
if ($result eq 'ok') {
$r->print(''.&mt('ok').'');
$r->rflush();
&Apache::lonnet::countacc($url);
$url=~/\.(\w+)$/;
if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
$r->print(' ');
$r->rflush();
for (my $i=0;$i<=$level*5;$i++) {
$r->print(' ');
}
$r->print('- '.&mt('Rendering').': ');
my ($errorcount,$warningcount)=split(/:/,
&Apache::lonnet::ssi_body($url,
('grade_target'=>'web',
'return_only_error_and_warning_counts' => 1)));
if (($errorcount) ||
($warningcount)) {
if ($errorcount) {
$r->print(''.
$errorcount.' '.
&mt('error(s)').' ');
}
if ($warningcount) {
$r->print(''.
$warningcount.' '.
&mt('warning(s)').'');
}
} else {
$r->print(''.&mt('ok').'');
}
$r->rflush();
}
my $dependencies=
&Apache::lonnet::metadata($url,'dependencies');
foreach (split(/\,/,$dependencies)) {
if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
&checkonthis($r,$_,$level+1);
}
}
} elsif ($result eq 'unavailable') {
$r->print(''.&mt('connection down').'');
} elsif ($result eq 'not_found') {
unless ($url=~/\$/) {
$r->print(''.&mt('not found').'');
} else {
$r->print(''.&mt('unable to verify variable URL').'');
}
} else {
$r->print(''.&mt('access denied').'');
}
}
}
}
#
# ----------------------------------------------------------------- List Symbs
#
sub list_symbs {
my ($r) = @_;
$r->print(&Apache::loncommon::start_page('Symb List'));
my $navmap = Apache::lonnavmaps::navmap->new();
$r->print("
\n");
foreach my $res ($navmap->retrieveResources()) {
$r->print($res->compTitle()."\t".$res->symb()."\n");
}
$r->print("\n
\n");
$r->print(''.&mt('Return to DOCS').'');
}
#
# -------------------------------------------------------------- Verify Content
#
sub verifycontent {
my ($r) = @_;
my $type = &Apache::loncommon::course_type();
my $loaderror=&Apache::lonnet::overloaderror($r);
if ($loaderror) { return $loaderror; }
$r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
$hashtied=0;
undef %alreadyseen;
%alreadyseen=();
&tiehash();
foreach (keys %hash) {
if ($hash{$_}=~/\.(page|sequence)$/) {
if (($_=~/^src_/) && ($alreadyseen{&unescape($hash{$_})})) {
$r->print(''.
&mt('The following sequence or page is included more than once in your '.$type.': ').
&unescape($hash{$_}).' '.
&mt('Note that grading records for problems included in this sequence or folder will overlap.'));
}
}
if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$_})})) {
&checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
}
}
&untiehash();
$r->print('
'.&mt('Done').'.
'.''.
&mt('Return to DOCS').'');
}
# -------------------------------------------------------------- Check Versions
sub devalidateversioncache {
my $src=shift;
&Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
&Apache::lonnet::clutter($src));
}
sub checkversions {
my ($r) = @_;
my $type = &Apache::loncommon::course_type();
$r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
my $header='';
my $startsel='';
my $monthsel='';
my $weeksel='';
my $daysel='';
my $allsel='';
my %changes=();
my $starttime=0;
my $haschanged=0;
my %setversions=&Apache::lonnet::dump('resourceversions',
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
$hashtied=0;
&tiehash();
my %newsetversions=();
if ($env{'form.setmostrecent'}) {
$haschanged=1;
foreach (keys %hash) {
if ($_=~/^ids\_(\/res\/.+)$/) {
$newsetversions{$1}='mostrecent';
&devalidateversioncache($1);
}
}
} elsif ($env{'form.setcurrent'}) {
$haschanged=1;
foreach (keys %hash) {
if ($_=~/^ids\_(\/res\/.+)$/) {
my $getvers=&Apache::lonnet::getversion($1);
if ($getvers>0) {
$newsetversions{$1}=$getvers;
&devalidateversioncache($1);
}
}
}
} elsif ($env{'form.setversions'}) {
$haschanged=1;
foreach (keys %env) {
if ($_=~/^form\.set_version_(.+)$/) {
my $src=$1;
if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
$newsetversions{$src}=$env{$_};
&devalidateversioncache($src);
}
}
}
}
if ($haschanged) {
if (&Apache::lonnet::put('resourceversions',\%newsetversions,
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
$r->print('
'.&mt('Your Version Settings have been Stored').'
');
} else {
$r->print('
'.&mt('An Error Occured while Attempting to Store your Version Settings').'
');
}
&mark_hash_old();
}
&changewarning($r,'');
if ($env{'form.timerange'} eq 'all') {
# show all documents
$header=&mt('All Documents in '.$type);
$allsel=1;
foreach (keys %hash) {
if ($_=~/^ids\_(\/res\/.+)$/) {
my $src=$1;
$changes{$src}=1;
}
}
} else {
# show documents which changed
%changes=&Apache::lonnet::dump
('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
my $firstkey=(keys %changes)[0];
unless ($firstkey=~/^error\:/) {
unless ($env{'form.timerange'}) {
$env{'form.timerange'}=604800;
}
my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
.&mt('seconds');
if ($env{'form.timerange'}==-1) {
$seltext='since start of course';
$startsel='selected';
$env{'form.timerange'}=time;
}
$starttime=time-$env{'form.timerange'};
if ($env{'form.timerange'}==2592000) {
$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
$monthsel='selected';
} elsif ($env{'form.timerange'}==604800) {
$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
$weeksel='selected';
} elsif ($env{'form.timerange'}==86400) {
$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
$daysel='selected';
}
$header=&mt('Content changed').' '.$seltext;
} else {
$header=&mt('No content modifications yet.');
}
}
%setversions=&Apache::lonnet::dump('resourceversions',
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
my %lt=&Apache::lonlocal::texthash
('st' => 'Version changes since start of '.$type,
'lm' => 'Version changes since last Month',
'lw' => 'Version changes since last Week',
'sy' => 'Version changes since Yesterday',
'al' => 'All Resources (possibly large output)',
'sd' => 'Display',
'fi' => 'File',
'md' => 'Modification Date',
'mr' => 'Most recently published Version',
've' => 'Version used in '.$type,
'vu' => 'Set Version to be used in '.$type,
'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
'di' => 'Differences');
$r->print(<
$header
ENDHEADERS
foreach (sort keys %changes) {
if ($changes{$_}>$starttime) {
my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
my $currentversion=&Apache::lonnet::getversion($_);
if ($currentversion<0) {
$currentversion=&mt('Could not be determined.');
}
my $linkurl=&Apache::lonnet::clutter($_);
$r->print(
'
In '.$type.': '.
'');
# Used in course
my $usedversion=$hash{'version_'.$linkurl};
if (($usedversion) && ($usedversion ne 'mostrecent')) {
$r->print($usedversion);
} else {
$r->print($currentversion);
}
$r->print('
');
my $lastold=1;
for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
my $url=$root.'.'.$prevvers.'.'.$extension;
if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
$starttime) {
$lastold=$prevvers;
}
}
#
# Code to figure out how many version entries should go in
# each of the four columns
my $entries_per_col = 0;
my $num_entries = ($currentversion-$lastold);
if ($num_entries % 4 == 0) {
$entries_per_col = $num_entries/4;
} else {
$entries_per_col = $num_entries/4 + 1;
}
my $entries_count = 0;
$r->print('
');
my $cols_output = 1;
for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
my $url=$root.'.'.$prevvers.'.'.$extension;
$r->print(''.&mt('Version').' '.$prevvers.' ('.
&Apache::lonlocal::locallocaltime(
&Apache::lonnet::metadata($url,
'lastrevisiondate')
).
')');
if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
$r->print(' '.&mt('Diffs').'');
}
$r->print(' ');
if (++$entries_count % $entries_per_col == 0) {
$r->print('