# The LearningOnline Network
# Documents
#
# $Id: londocs.pm,v 1.269 2007/01/09 19:10:46 albertel 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 LONCAPA::map();
use Apache::lonratedt();
use Apache::lonxml;
use Apache::lonclonecourse;
use Apache::lonnavmaps;
use HTML::Entities;
use GDBM_File;
use Apache::lonlocal;
use Cwd;
use LONCAPA qw(:DEFAULT :match);
my $iconpath;
my %hash;
my $hashtied;
my %alreadyseen=();
my $hadchanges;
# Available help topics
my %help=();
# Mapread read maps into LONCAPA::map:: global arrays
# @order and @resources, determines status
# sets @order - pointer to resources in right order
# sets @resources - array with the resources with correct idx
#
sub mapread {
my ($coursenum,$coursedom,$map)=@_;
return
&LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
$map);
}
sub storemap {
my ($coursenum,$coursedom,$map)=@_;
my ($outtext,$errtext)=
&LONCAPA::map::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)=($realm=~/^\/($match_domain)\/($match_username)$/);
}
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'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($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/($match_domain)/($match_username)/(\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) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
$content_type = 'examupload';
} elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
$content_type = 'bulletinboard';
my $contents = &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
if ($contents) {
$$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/\Q$coursedom\E/\Q$coursenum\E/(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 $idx = &LONCAPA::map::getresidx($url);
$LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
my $ext = 'false';
if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
$url =~ s/:/\:/g;
$name =~ s/:/\:/g;
$LONCAPA::map::resources[$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='';
my $plain='';
if ($env{'form.markedcopy_url'}) {
$cpinfo='&markedcopy_url='.
&escape($env{'form.markedcopy_url'}).
'&markedcopy_title='.
&escape($env{'form.markedcopy_title'});
}
my $randompick=-1;
my $isencrypted=0;
my $ishidden=0;
while (@folders) {
my $folder=shift(@folders);
my $foldername=shift(@folders);
if ($folderpath) {$folderpath.='&';}
$folderpath.=$folder.'&'.$foldername;
my $url='/adm/coursedocs?folderpath='.
&escape($folderpath);
my $name=&unescape($foldername);
# randompick number, hidden, encrypted is appended with ":"s to the foldername
$name=~s/\:(\d*)\:(\w*)\:(\w*)$//;
if ($1 ne '') {
$randompick=$1;
} else {
$randompick=-1;
}
if ($2) { $ishidden=1; }
if ($3) { $isencrypted=1; }
&Apache::lonhtmlcommon::add_breadcrumb(
{'href'=>$url.$cpinfo,
'title'=>$name,
'text'=>''.
$name.'',
'no_mt'=>1,
});
$plain.=$name.' > ';
}
$plain=~s/\>\;\s*$//;
return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain);
}
sub log_docs {
return &Apache::lonnet::instructor_log('docslog',@_);
}
{
my @oldresources=();
my @oldorder=();
my $parmidx;
my %parmaction=();
my %parmvalue=();
my $changedflag;
sub snapshotbefore {
@oldresources=@LONCAPA::map::resources;
@oldorder=@LONCAPA::map::order;
$parmidx=undef;
%parmaction=();
%parmvalue=();
$changedflag=0;
}
sub remember_parms {
my ($idx,$parameter,$action,$value)=@_;
$parmidx=$idx;
$parmaction{$parameter}=$action;
$parmvalue{$parameter}=$value;
$changedflag=1;
}
sub log_differences {
my ($plain)=@_;
my %storehash=('folder' => $plain,
'currentfolder' => $env{'form.folder'});
if ($parmidx) {
$storehash{'parameter_res'}=$oldresources[$parmidx];
foreach my $parm (keys %parmaction) {
$storehash{'parameter_action_'.$parm}=$parmaction{$parm};
$storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
}
}
my $maxidx=$#oldresources;
if ($#LONCAPA::map::resources>$#oldresources) {
$maxidx=$#LONCAPA::map::resources;
}
for (my $idx=0; $idx<=$maxidx; $idx++) {
if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
$storehash{'before_resources_'.$idx}=$oldresources[$idx];
$storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
$changedflag=1;
}
if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
$storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
$storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
$changedflag=1;
}
}
$storehash{'maxidx'}=$maxidx;
if ($changedflag) { &log_docs(\%storehash); }
}
}
#
# Docs Change Log
#
sub docs_change_log {
my ($r)=@_;
my $folder=$env{'form.folder'};
$r->print(&Apache::loncommon::start_page('Course Document Change Log'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
my %docslog=&Apache::lonnet::dump('nohist_docslog',
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
$r->print('');
$r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
'
'.&mt('Time').'
'.&mt('User').'
'.&mt('Folder').'
'.&mt('Before').'
'.
&mt('After').'
'.
&Apache::loncommon::end_data_table_header_row());
my $shown=0;
foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
if ($env{'form.displayfilter'} eq 'currentfolder') {
if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
}
my @changes=keys(%{$docslog{$id}{'logentry'}});
if ($env{'form.displayfilter'} eq 'containing') {
my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
foreach my $key (@changes) {
$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
}
if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }
}
my $count = 0;
my $time =
&Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
my $plainname =
&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
$docslog{$id}{'exe_udom'});
my $about_me_link =
&Apache::loncommon::aboutmewrapper($plainname,
$docslog{$id}{'exe_uname'},
$docslog{$id}{'exe_udom'});
my $send_msg_link='';
if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
|| ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
$send_msg_link =' '.
&Apache::loncommon::messagewrapper(&mt('Send message'),
$docslog{$id}{'exe_uname'},
$docslog{$id}{'exe_udom'});
}
$r->print(&Apache::loncommon::start_data_table_row());
$r->print('
');
# Before
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
if ($oldname ne $newname) {
$r->print(&LONCAPA::map::qtescape($oldname));
}
}
$r->print('
');
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
$r->print('
');
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
if ($oldname ne $newname) {
$r->print(&LONCAPA::map::qtescape($newname));
}
}
$r->print('
');
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
$r->print('
');
if ($docslog{$id}{'logentry'}{'parameter_res'}) {
$r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':
');
foreach my $parameter ('randompick','hiddenresource','encrypturl') {
if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
$r->print('
'.&Apache::loncommon::end_data_table_row());
$shown++;
if (!($env{'form.show'} eq &mt('all')
|| $shown<=$env{'form.show'})) { last; }
}
$r->print(&Apache::loncommon::end_data_table());
$r->print(&Apache::loncommon::end_page());
}
sub editor {
my ($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.'.'.$container);
if ($#LONCAPA::map::order<1) {
my $idx=&LONCAPA::map::getresidx();
if ($idx<=0) { $idx=1; }
$LONCAPA::map::order[0]=$idx;
$LONCAPA::map::resources[$idx]='';
}
if (defined($env{'form.markcopy'})) {
# Mark for copying
my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
$env{'form.markedcopy_title'}=$title;
$env{'form.markedcopy_url'}=$url;
}
my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain)=&breadcrumbs($folder);
$r->print($breadcrumbtrail);
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 $folder)) {
# set parameters and change order
&snapshotbefore();
if ($env{'form.changeparms'}) {
my $idx=$env{'form.setparms'};
# set parameters
if ($env{'form.changeparms'} eq 'randompick') {
if ($env{'form.randpick_'.$idx}) {
&LONCAPA::map::storeparameter($idx,'parameter_randompick',$env{'form.randpick_'.$idx},'int_pos');
&remember_parms($idx,'randompick','set',$env{'form.randpick_'.$idx});
} else {
&LONCAPA::map::delparameter($idx,'parameter_randompick');
&remember_parms($idx,'randompick','del');
}
}
if ($env{'form.changeparms'} eq 'hiddenresource') {
if ($env{'form.hidprs_'.$idx}) {
&LONCAPA::map::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno');
&remember_parms($idx,'hiddenresource','set',$env{'form.hidprs_'.$idx});
} else {
&LONCAPA::map::delparameter($idx,'parameter_hiddenresource');
&remember_parms($idx,'hiddenresource','del');
}
}
if ($env{'form.changeparms'} eq 'encrypturl') {
if ($env{'form.encprs_'.$idx}) {
&LONCAPA::map::storeparameter($idx,'parameter_encrypturl','yes','string_yesno');
&remember_parms($idx,'encrypturl','set',$env{'form.encprs_'.$idx});
} else {
&LONCAPA::map::delparameter($idx,'parameter_encrypturl');
&remember_parms($idx,'encrypturl','del');
}
}
# store the changed version
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
if ($fatal) {
$r->print('
'.$errtext.'
');
return;
}
}
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]=$LONCAPA::map::order[$i];
}
for ($i=$currentpos;$i<$newpos;$i++) {
$neworder[$i]=$LONCAPA::map::order[$i+1];
}
$neworder[$newpos]=$LONCAPA::map::order[$currentpos];
for ($i=$newpos+1;$i<=$#LONCAPA::map::order;$i++) {
$neworder[$i]=$LONCAPA::map::order[$i];
}
} else {
# moving stuff down
for ($i=0;$i<$newpos;$i++) {
$neworder[$i]=$LONCAPA::map::order[$i];
}
$neworder[$newpos]=$LONCAPA::map::order[$currentpos];
for ($i=$newpos+1;$i<$currentpos+1;$i++) {
$neworder[$i]=$LONCAPA::map::order[$i-1];
}
for ($i=$currentpos+1;$i<=$#LONCAPA::map::order;$i++) {
$neworder[$i]=$LONCAPA::map::order[$i];
}
}
@LONCAPA::map::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+/$match_domain/$match_username/}{};
&Apache::lonclonecourse::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=&LONCAPA::map::getresidx($url);
$LONCAPA::map::resources[$newidx]=
$title.':'.$url.':'.$ext.':normal:res';
$LONCAPA::map::order[1+$#LONCAPA::map::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(':',$LONCAPA::map::resources[$LONCAPA::map::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 {
&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
}
for (my $i=$idx;$i<$#LONCAPA::map::order;$i++) {
$LONCAPA::map::order[$i] = $LONCAPA::map::order[$i+1];
}
$#LONCAPA::map::order--;
} elsif ($cmd eq 'cut') {
my (undef,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$idx]]);
&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
for (my $i=$idx;$i<$#LONCAPA::map::order;$i++) {
$LONCAPA::map::order[$i] = $LONCAPA::map::order[$i+1];
}
$#LONCAPA::map::order--;
} elsif ($cmd eq 'up') {
if (($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
my $i=$LONCAPA::map::order[$idx-1];
$LONCAPA::map::order[$idx-1] = $LONCAPA::map::order[$idx];
$LONCAPA::map::order[$idx] = $i;
}
} elsif ($cmd eq 'down') {
if (defined($LONCAPA::map::order[$idx+1])) {
my $i=$LONCAPA::map::order[$idx+1];
$LONCAPA::map::order[$idx+1] = $LONCAPA::map::order[$idx];
$LONCAPA::map::order[$idx] = $i;
}
} elsif ($cmd eq 'rename') {
my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
my ($rtitle,@rrest)=split(/\:/,
$LONCAPA::map::resources[$LONCAPA::map::order[$idx]]);
my $comment=
&HTML::Entities::decode($env{'form.title'});
$comment=~s/\\<\;/g;
$comment=~s/\>/\>\;/g;
$comment=~s/\:/\:/g;
if ($comment=~/\S/) {
$LONCAPA::map::resources[$LONCAPA::map::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=&LONCAPA::map::getresidx($url);
$LONCAPA::map::resources[$idx]=$_;
$LONCAPA::map::order[$#LONCAPA::map::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.').'
');
}
}
&log_differences($plain);
}
# ---------------------------------------------------------------- End commands
# ---------------------------------------------------------------- Print screen
my $idx=0;
my $shown=0;
if (($ishidden) || ($isencrypted) || ($randompick>=0)) {
$r->print('
'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'
\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 ($#LONCAPA::map::order<1) {
$LONCAPA::map::order[0]=1;
$LONCAPA::map::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=&LONCAPA::map::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;
}
$LONCAPA::map::resources[$newidx]=
$comment.':'.$url.':'.$ext.':normal:res';
$LONCAPA::map::order[$#LONCAPA::map::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;
my $state = '
';
$phase_status = 'phasetwo';
$$upload_output .=
'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA. '.
&ask_for_embedded_content('/adm/coursedocs',
$state,$allfiles,$codebase);
} else {
$$upload_output .= 'No embedded items identified ';
}
}
}
}
return $phase_status;
}
sub ask_for_embedded_content {
my ($actionurl,$state,$allfiles,$codebase)=@_;
my $upload_output = '
';
return $upload_output;
}
sub process_secondary_uploads {
my ($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/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
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 $orderidx=$LONCAPA::map::order[$index];
if ($title=~ /^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/ ) {
$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/) &&
($#LONCAPA::map::order>0) &&
((split(/\:/,
$LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1]
ne '') &&
((split(/\:/,
$LONCAPA::map::resources[$LONCAPA::map::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;
my $nocut=0;
if ($url=~/\.(page|sequence)$/) {
foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url))) {
my ($title,$url,$ext,$type)=split(/\:/,$_);
if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
$nocopy=1;
last;
}
}
}
if ($url=~/^\/res\/lib\/templates\//) {
$nocopy=1;
$nocut=1;
}
my $copylink=' ';
my $cutlink=' ';
if ($env{'form.pagepath'}) {
if (!$nocopy) {
$copylink=(<
$lt{'cp'}
ENDCOPY
}
if (!$nocut) {
$cutlink=(<
$lt{'ct'}
ENDCUT
}
$line.=(<
$selectbox
$lt{'rm'}
$cutlink
$lt{'rn'}
$copylink
END
} else {
if (!$nocopy) {
$copylink=(<
$lt{'cp'}
ENDCOPY
}
if (!$nocut) {
$cutlink=(<
$lt{'ct'}
ENDCUT
}
$line.=(<
$selectbox
$lt{'rm'}
$cutlink
$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';
$url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
$url='/adm/coursedocs?';
$folderarg=$1;
$isfolder=1;
} elsif ($extension eq 'page') {
$icon=$iconpath.'/page.gif';
$url=~/\Q$coursenum\E\/([\/\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.='&' };
# Append randompick number, hidden, and encrypted with ":" to foldername,
# so it gets transferred between levels
$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
'parameter_randompick'))[0]
.':'.((&LONCAPA::map::getparameter($orderidx,
'parameter_hiddenresource'))[0]=~/^yes$/i)
.':'.((&LONCAPA::map::getparameter($orderidx,
'parameter_encrypturl'))[0]=~/^yes$/i);
$url.='folderpath='.&escape($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 $enctext=
((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
my $hidtext=
((&LONCAPA::map::getparameter($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'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('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'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$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"));
$r->print(&Apache::lonhtmlcommon::breadcrumbs("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('