';
+}
+
+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) {
+ $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
+ }
+ } else {
+ $outcome = ' '.&mt('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($$tempexport,0700);
}
- if ($fatal) {
- $r->print('
'.$errtext.'
');
+ if (!-e "$$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,\%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, $coursedom, $folder, $container, $caller, @files) = @_;
+
+ while (@files) {
+ my ($name, $url, $residx) = @{ shift(@files) };
+ if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$})
+ && ($caller eq 'londocs')
+ && (!&Apache::lonnet::stat_file($url))) {
+
+ 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 occurred when trying to save the new map. ';
+ $fatal = 2;
+ }
+ if ($fatal) {
+ return ($errtext,$fatal);
+ }
+ }
+ if ($url) {
+ if (!$residx
+ || defined($LONCAPA::map::zombies[$residx])) {
+ $residx = &LONCAPA::map::getresidx($url,$residx);
+ push(@LONCAPA::map::order, $residx);
+ }
+ my $ext = 'false';
+ if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
+ $url = &LONCAPA::map::qtunescape($url);
+ $name = &LONCAPA::map::qtunescape($name);
+ $LONCAPA::map::resources[$residx] =
+ join(':', ($name, $url, $ext, 'normal', 'res'));
+ }
+ }
+ return &storemap($coursenum, $coursedom, $folder.'.'.$container);
+}
+
+sub breadcrumbs {
+ my ($where,$allowed,$type)=@_;
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ my (@folders);
+ if ($env{'form.pagepath'}) {
+ @folders = split('&',$env{'form.pagepath'});
+ } else {
+ @folders=split('&',$env{'form.folderpath'});
+ }
+ my $folderpath;
+ my $cpinfo='';
+ my $plain='';
+ my $randompick=-1;
+ my $isencrypted=0;
+ my $ishidden=0;
+ my $is_random_order=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, random order, is appended with ":"s to the foldername
+ $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
+ if ($1 ne '') {
+ $randompick=$1;
+ } else {
+ $randompick=-1;
+ }
+ if ($2) { $ishidden=1; }
+ if ($3) { $isencrypted=1; }
+ if ($4 ne '') { $is_random_order = 1; }
+ if ($folder eq 'supplemental') {
+ if ($allowed) {
+ $name = &mt('Supplemental '.$type.' Documents');
+ } else {
+ $name = &mt($type.' Documents');
+ }
+ }
+ &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,$is_random_order);
+}
+
+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}) {
+ $r->print('
'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'
');
+ }
+ if ($is_random_order) {
+ $r->print('
'.&mt('Caution: this folder is set to randomly order its contents. Adding or removing resources from this folder will change the order of resources shown.').'
');
+ 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('
');
+
+ &untiehash();
+}
+
+sub mark_hash_old {
+ my $retie_hash=0;
+ if ($hashtied) {
+ $retie_hash=1;
+ &untiehash();
+ }
+ &tiehash('write');
+ $hash{'old'}=1;
+ &untiehash();
+ if ($retie_hash) { &tiehash(); }
+}
+
+sub is_hash_old {
+ my $untie_hash=0;
+ if (!$hashtied) {
+ $untie_hash=1;
+ &tiehash();
+ }
+ my $return=$hash{'old'};
+ if ($untie_hash) { &untiehash(); }
+ return $return;
+}
+
+sub changewarning {
+ my ($r,$postexec,$message,$url)=@_;
+ if (!&is_hash_old()) { return; }
+ my $pathvar='folderpath';
+ my $path=&escape($env{'form.folderpath'});
+ if (!defined($url)) {
+ if (defined($env{'form.pagepath'})) {
+ $pathvar='pagepath';
+ $path=&escape($env{'form.pagepath'});
+ $path.='&pagesymb='.&escape($env{'form.pagesymb'});
+ }
+ $url='/adm/coursedocs?'.$pathvar.'='.$path;
+ }
+ my $course_type = &Apache::loncommon::course_type();
+ if (!defined($message)) {
+ $message='Changes will become active for your current session after [_1], or the next time you log in.';
+ }
+ $r->print("\n\n".
+''."\n".
+''."\n\n");
+}
+
+# =========================================== Breadcrumbs for special functions
+
+sub init_breadcrumbs {
+ my ($form,$text)=@_;
+ &Apache::lonhtmlcommon::clear_breadcrumbs();
+ &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
+ text=>"Edit ".&Apache::loncommon::course_type(),
+ faq=>273,
+ bug=>'Instructor Interface',
+ help => 'Docs_Adding_Course_Doc'});
+ &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
+ text=>$text,
+ faq=>273,
+ bug=>'Instructor Interface'});
+}
+
+# ================================================================ Main Handler
+sub handler {
+ my $r = shift;
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ return OK if $r->header_only;
+ my $type = &Apache::loncommon::course_type();
+
+# --------------------------------------------- Initialize help topics for this
+ foreach ('Adding_Course_Doc','Main_Course_Documents',
+ 'Adding_External_Resource','Navigate_Content',
+ 'Adding_Folders','Docs_Overview', 'Load_Map',
+ 'Supplemental','Score_Upload_Form','Adding_Pages',
+ 'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
+ 'Check_Resource_Versions','Verify_Content') {
+ $help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
+ }
+ # Composite help files
+ $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
+ 'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
+ $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
+ 'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
+ $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
+ 'Option_Response_Simple');
+ $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
+ 'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
+ $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
+ 'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
+ $help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
+ $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
+
+# does this user have privileges to modify docs
+ my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
+ if ($allowed && $env{'form.verify'}) {
+ &init_breadcrumbs('verify','Verify Content');
+ &verifycontent($r);
+ } elsif ($allowed && $env{'form.listsymbs'}) {
+ &init_breadcrumbs('listsymbs','List Symbs');
+ &list_symbs($r);
+ } elsif ($allowed && $env{'form.docslog'}) {
+ &init_breadcrumbs('docslog','Show Log');
+ &docs_change_log($r);
+ } elsif ($allowed && $env{'form.versions'}) {
+ &init_breadcrumbs('versions','Check/Set Resource Versions');
+ &checkversions($r);
+ } elsif ($allowed && $env{'form.dumpcourse'}) {
+ &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
+ &dumpcourse($r);
+ } elsif ($allowed && $env{'form.exportcourse'}) {
+ &init_breadcrumbs('exportcourse','Export '.&Apache::loncommon::course_type().' to IMS');
+ &exportcourse($r);
} else {
# is this a standard course?
- my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
- my $forcestandard;
+ my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
+ my $forcestandard = 0;
my $forcesupplement;
my $script='';
- my $allowed;
- my $events='';
my $showdoc=0;
+ my $containertag;
+ my $uploadtag;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
- ['folder','foldername']);
+ ['folderpath','pagepath',
+ 'pagesymb']);
+# No folderpath, no pagepath, see if we have something stored
+ if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
+ &Apache::loncommon::restore_course_settings('docs_folderpath',
+ {'folderpath' => 'scalar'});
+ }
+ if (!$env{'form.folderpath'}) {
+ &Apache::loncommon::restore_course_settings('docs_folderpath',
+ {'pagepath' => 'scalar'});
+ }
+ if ($env{'form.pagepath'}) {
+ $env{'form.folderpath'}='';
+ }
+ if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
+ $env{'form.folderpath'} = 'supplemental&'.
+ &escape(&mt('Supplemental '.$type.' Documents')).'&'.
+ $env{'form.folderpath'};
+ }
+ &Apache::loncommon::store_course_settings('docs_folderpath',
+ {'pagepath' => 'scalar',
+ 'folderpath' => 'scalar'});
+ if ($env{'form.folderpath'}) {
+ my (@folderpath)=split('&',$env{'form.folderpath'});
+ $env{'form.foldername'}=&unescape(pop(@folderpath));
+ $env{'form.folder'}=pop(@folderpath);
+ }
+ if ($env{'form.pagepath'}) {
+ my (@pagepath)=split('&',$env{'form.pagepath'});
+ $env{'form.pagename'}=&unescape(pop(@pagepath));
+ $env{'form.folder'}=pop(@pagepath);
+ $containertag = ''.
+ '';
+ $uploadtag = ''.
+ '';
+ }
if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
- $showdoc=$1;
+ $showdoc='/'.$1;
}
unless ($showdoc) { # got called from remote
- $forcestandard=($ENV{'form.folder'}=~/^default_/);
- $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
+ if (($env{'form.folder'}=~/^(?:group|default)_/) ||
+ ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
+ $forcestandard = 1;
+ }
+ $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
-# does this user have privileges to post, etc?
- $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
if ($allowed) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
$script=&Apache::lonratedt::editscript('simple');
}
} else { # got called in sequence from course
$allowed=0;
- $script=''.&Apache::lonxml::registerurl(1,undef).'
-ENDDOCUMENT
- if ($allowed) {
- $r->print(<
-function makenewfolder(targetform,folderseq) {
- var foldername=prompt('Name of New Folder','New Folder');
- if (foldername) {
- targetform.importdetail.value=foldername+"="+folderseq;
- targetform.submit();
+ if ($allowed) {
+ $script .= &editing_js($udom,$uname);
}
-}
-
-function makenewext(targetname) {
- this.document.forms.extimport.useform.value=targetname;
- window.open('/adm/rat/extpickframe.html');
-}
-
-function makesmppage() {
- var title=prompt('Listed Title for the Page');
- this.document.forms.newsmppg.importdetail.value=
- title+'=/adm/$udom/$uname/$now/smppg';
- this.document.forms.newsmppg.submit();
-}
-
-function makebulboard() {
- var title=prompt('Listed Title for the Bulletin Board');
- this.document.forms.newbul.importdetail.value=
- title+'=/adm/$udom/$uname/$now/bulletinboard';
- this.document.forms.newbul.submit();
-}
-
-function finishpick() {
- var title=this.document.forms.extimport.title.value;
- var url=this.document.forms.extimport.url.value;
- var form=this.document.forms.extimport.useform.value;
- eval
- ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+
- '";this.document.forms.'+form+'.submit();');
-}
-
-ENDNEWSCRIPT
- }
# -------------------------------------------------------------------- Body tag
- $r->print(''.
- &Apache::loncommon::bodytag('Course Documents','',$events));
- unless ($showdoc) {
+ $script = '';
+ $r->print(&Apache::loncommon::start_page("$type Documents", $script,
+ {'force_register' => $showdoc,}).
+ &Apache::loncommon::help_open_menu('','',273,'RAT'));
+
+ my %allfiles = ();
+ my %codebase = ();
+ my ($upload_result,$upload_output);
+ if ($allowed) {
+ if (($env{'form.uploaddoc.filename'}) &&
+ ($env{'form.cmd'}=~/^upload_(\w+)/)) {
+# Process file upload - phase one - upload and parse primary file.
+ undef($hadchanges);
+ $upload_result = &process_file_upload(\$upload_output,$coursenum,
+ $coursedom,\%allfiles,
+ \%codebase,$1);
+ if ($hadchanges) {
+ &mark_hash_old();
+ }
+ if ($upload_result eq 'phasetwo') {
+ $r->print($upload_output);
+ }
+ } elsif ($env{'form.phasetwo'}) {
+ my %newname = ();
+ my %origname = ();
+ my %attribs = ();
+ my $updateflag = 0;
+ my $residx = $env{'form.newidx'};
+ my $primary_url = &unescape($env{'form.primaryurl'});
+# Process file upload - phase two - gather secondary files.
+ for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
+ if ($env{'form.embedded_item_'.$i.'.filename'}) {
+ my $javacodebase;
+ $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
+ $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
+ if (exists($env{'form.embedded_codebase_'.$i})) {
+ $javacodebase = &unescape($env{'form.embedded_codebase_'.$i});
+ $origname{$i} =~ s#^\Q$javacodebase\E/##;
+ }
+ my @attributes = ();
+ if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
+ @attributes = split/:/,$env{'form.embedded_attrib_'.$i};
+ } else {
+ @attributes = ($env{'form.embedded_attrib_'.$i});
+ }
+ foreach (@attributes) {
+ push(@{$attribs{$i}},&unescape($_));
+ }
+ if ($javacodebase) {
+ $codebase{$i} = $javacodebase;
+ $codebase{$i} =~ s#/$##;
+ $updateflag = 1;
+ }
+ }
+ unless ($newname{$i} eq $origname{$i}) {
+ $updateflag = 1;
+ }
+ }
+# Process file upload - phase three - modify primary file
+ if ($updateflag) {
+ my ($content,$rtncode);
+ my $updateflag = 0;
+ my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
+ if ($getstatus eq 'ok') {
+ foreach my $item (keys %newname) {
+ if ($newname{$item} ne $origname{$item}) {
+ my $attrib_regexp = '';
+ if (@{$attribs{$item}} > 1) {
+ $attrib_regexp = join('|',@{$attribs{$item}});
+ } else {
+ $attrib_regexp = $attribs{$item}[0];
+ }
+ if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
+ }
+ $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi;
+ }
+ if (exists($codebase{$item})) {
+ $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
+ }
+ }
+# Save edited file.
+ my $saveresult;
+ my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
+ my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
+ } else {
+ &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus);
+ }
+ }
+ }
+ }
+
+ unless ($showdoc || $upload_result eq 'phasetwo') {
+# -----------------------------------------------------------------------------
+ my %lt=&Apache::lonlocal::texthash(
+ 'uplm' => 'Upload a new main '.lc($type).' document',
+ 'upls' => 'Upload a new supplemental '.lc($type).' document',
+ 'impp' => 'Import a document',
+ 'pubd' => 'Published documents',
+ 'copm' => 'All documents out of a published map into this folder',
+ 'spec' => 'Special documents',
+ 'upld' => 'Upload Document',
+ 'srch' => 'Search',
+ 'impo' => 'Import',
+ 'book' => 'Import Bookmarks',
+ 'selm' => 'Select Map',
+ 'load' => 'Load Map',
+ 'reco' => 'Recover Deleted Resources',
+ 'newf' => 'New Folder',
+ 'newp' => 'New Composite Page',
+ 'extr' => 'External Resource',
+ 'syll' => 'Syllabus',
+ 'navc' => 'Navigate Contents',
+ 'sipa' => 'Simple Page',
+ 'sipr' => 'Simple Problem',
+ 'drbx' => 'Drop Box',
+ 'scuf' => 'Score Upload Form',
+ 'bull' => 'Bulletin Board',
+ 'mypi' => 'My Personal Info',
+ 'grpo' => 'Group Files',
+ 'rost' => 'Course Roster',
+ 'abou' => 'About User',
+ 'imsf' => 'Import IMS package',
+ 'file' => 'File',
+ 'title' => 'Title',
+ 'comment' => 'Comment',
+ 'parse' => 'If HTML file, upload embedded images/multimedia files'
+ );
+# -----------------------------------------------------------------------------
if ($allowed) {
+ &update_paste_buffer($coursenum,$coursedom);
+ my $dumpbut=&dumpbutton();
+ my $exportbut=&exportbutton();
+ my %lt=&Apache::lonlocal::texthash(
+ 'vc' => 'Verify Content',
+ 'cv' => 'Check/Set Resource Versions',
+ 'ls' => 'List Symbs',
+ 'sl' => 'Show Log'
+ );
+
+ my $folderpath=$env{'form.folderpath'};
+ if (!$folderpath) {
+ if ($env{'form.folder'} eq '' ||
+ $env{'form.folder'} eq 'supplemental') {
+ $folderpath='default&'.
+ &escape(&mt('Main '.$type.' Documents'));
+ }
+ }
+ unless ($env{'form.pagepath'}) {
+ $containertag = '';
+ $uploadtag = '';
+ }
+
$r->print(<
+
+
+
+
+ $containertag
+
+
+
ENDCOURSEVERIFY
+ $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
+ &mt('Editing the Table of Contents for your '.$type)));
}
# --------------------------------------------------------- Standard documents
- $r->print('
'.
+ &mt('[quant,_1,error]',$errorcount).'');
+ }
+ if ($warningcount) {
+ $r->print(''.
+ &mt('[quant,_1,warning]',$warningcount).'');
+ }
+ } else {
+ $r->print(''.&mt('ok').'');
+ }
+ $r->rflush();
+ }
my $dependencies=
&Apache::lonnet::metadata($url,'dependencies');
foreach (split(/\,/,$dependencies)) {
@@ -267,418 +2048,1295 @@ sub checkonthis {
&checkonthis($r,$_,$level+1);
}
}
- } elsif ($result==HTTP_SERVICE_UNAVAILABLE) {
- $r->print('connection down');
- } elsif ($result==HTTP_NOT_FOUND) {
- $r->print('not found');
+ } elsif ($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('access denied');
+ $r->print(''.&mt('access denied').'');
}
- }
- }
+ }
+ }
}
-# ================================================================ Main Handler
-sub handler {
- my $r = shift;
- $r->content_type('text/html');
- $r->send_http_header;
- return OK if $r->header_only;
-
- if ($ENV{'form.verify'}) {
-
+#
+# ----------------------------------------------------------------- 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("