--- loncom/publisher/lonpublisher.pm 2002/08/09 19:49:30 1.92 +++ loncom/publisher/lonpublisher.pm 2003/03/29 05:58:12 1.120 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Publication Handler # -# $Id: lonpublisher.pm,v 1.92 2002/08/09 19:49:30 albertel Exp $ +# $Id: lonpublisher.pm,v 1.120 2003/03/29 05:58:12 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -33,18 +33,14 @@ # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer # 03/23 Guy Albertelli # 03/24,03/29,04/03 Gerd Kortemeyer -# 04/16/2001 Scott Harrison # 05/03,05/05,05/07 Gerd Kortemeyer -# 05/28/2001 Scott Harrison # 06/23,08/07,08/11,8/13,8/17,8/18,8/24,9/26,10/16 Gerd Kortemeyer # 12/04,12/05 Guy Albertelli # 12/05 Gerd Kortemeyer # 12/05 Guy Albertelli # 12/06,12/07 Gerd Kortemeyer -# 12/15,12/16 Scott Harrison # 12/25 Gerd Kortemeyer # YEAR=2002 -# 1/16,1/17 Scott Harrison # 1/17 Gerd Kortemeyer # ### @@ -67,28 +63,42 @@ =pod -=head1 Name +=head1 NAME lonpublisher - LON-CAPA publishing handler -=head1 Synopsis +=head1 SYNOPSIS -lonpublisher takes the proper steps to add resources to the LON-CAPA +B is used by B inside B. This is the +invocation by F: + + + PerlAccessHandler Apache::lonacc + SetHandler perl-script + PerlHandler Apache::lonpublisher + ErrorDocument 403 /adm/login + ErrorDocument 404 /adm/notfound.html + ErrorDocument 406 /adm/unauthorized.html + ErrorDocument 500 /adm/errorhandler + + +=head1 DESCRIPTION + +B takes the proper steps to add resources to the LON-CAPA digital library. This includes updating the metadata table in the LON-CAPA database. -=head1 Description - -lonpublisher is many things to many people. -To all people it is woefully documented. -This documentation conforms to this standard. +B is many things to many people. This module publishes a file. This involves gathering metadata, versioning the file, copying file from construction space to publication space, and copying metadata from construction space to publication space. -=head2 Internal Functions +=head2 SUBROUTINES + +Many of the undocumented subroutines implement various magical +parsing shortcuts. =over 4 @@ -107,32 +117,43 @@ use File::Copy; use Apache::Constants qw(:common :http :methods); use HTML::LCParser; use Apache::lonxml; -use Apache::lonhomework; use Apache::loncacc; use DBI; use Apache::lonnet(); use Apache::loncommon(); use Apache::lonmysql; +use vars qw(%metadatafields %metadatakeys); my %addid; my %nokey; -my %metadatafields; -my %metadatakeys; - my $docroot; my $cuname; my $cudom; -######################################### -######################################### - =pod -=item metaeval +=item B + +Evaluates a string that contains metadata. This subroutine +stores values inside I<%metadatafields> and I<%metadatakeys>. +The hash key is a I<$unikey> corresponding to a unique id +that is descriptive of the parser location inside the XML tree. + +Parameters: + +=over 4 + +=item I<$metastring> + +A string that contains metadata. + +=back -Evaluate string with metadata +Returns: + +nothing =cut @@ -185,10 +206,34 @@ sub metaeval { =pod -=item metaread +=item B Read a metadata file +Parameters: + +=over + +=item I<$logfile> + +File output stream to output errors and warnings to. + +=item I<$fn> + +File name (including path). + +=back + +Returns: + +=over 4 + +=item Scalar string (if successful) + +XHTML text that indicates successful reading of the metadata. + +=back + =cut ######################################### @@ -196,55 +241,60 @@ Read a metadata file sub metaread { my ($logfile,$fn)=@_; unless (-e $fn) { - print $logfile 'No file '.$fn."\n"; - return '
No file: '.$fn.''; + print($logfile 'No file '.$fn."\n"); + return '
No file: '.$fn.''; } - print $logfile 'Processing '.$fn."\n"; + print($logfile 'Processing '.$fn."\n"); my $metastring; { my $metafh=Apache::File->new($fn); $metastring=join('',<$metafh>); } &metaeval($metastring); - return '
Processed file: '.$fn.''; + return '
Processed file: '.$fn.''; } ######################################### ######################################### -=pod - -=item sqltime - -Convert 'time' format into a datetime sql format - -=cut - -######################################### -######################################### -sub sqltime { - my $timef=shift @_; - my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = - localtime($timef); - $mon++; $year+=1900; - return "$year-$mon-$mday $hour:$min:$sec"; +sub coursedependencies { + my $url=&Apache::lonnet::declutter(shift); + $url=~s/\.meta$//; + my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//); + my $regexp=$url; + $regexp=~s/(\W)/\\$1/g; + $regexp='___'.$regexp.'___course'; + my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain, + $aauthor,$regexp); + my %courses=(); + foreach (keys %evaldata) { + if ($_=~/^([a-zA-Z0-9]+_[a-zA-Z0-9]+)___.+___course$/) { + $courses{$1}=1; + } + } + return %courses; } - - ######################################### ######################################### + =pod -=item Form field generating functions +=item Form-field-generating subroutines. + +For input parameters, these subroutines take in values +such as I<$name>, I<$value> and other form field metadata. +The output (scalar string that is returned) is an XHTML +string which presents the form field (foreseeably inside +
tags). =over 4 -=item textfield +=item B -=item hiddenfield +=item B -=item selectbox +=item B =back @@ -254,20 +304,20 @@ sub sqltime { ######################################### sub textfield { my ($title,$name,$value)=@_; - return "\n

$title:
". - ''; + return "\n

$title:


". + ''; } sub hiddenfield { my ($name,$value)=@_; - return "\n".''; + return "\n".''; } sub selectbox { my ($title,$name,$value,$functionref,@idlist)=@_; my $uctitle=uc($title); my $selout="\n

$uctitle:". - "
".''; foreach (@idlist) { $selout.='

Dependencies

'; @@ -759,7 +841,7 @@ sub publish { unless ($style eq 'rat') { $allowstr.="\n".''; } - $scrout.='
'; + $scrout.='
'; unless ($thisdep=~/\*/) { $scrout.=''; } @@ -769,8 +851,8 @@ sub publish { if ( &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/'. $thisdep.'.meta') eq '-1') { - $scrout.= - ' - Currently not available'; + $scrout.= ' - Currently not available'. + ''; } else { my %temphash=(&Apache::lonnet::declutter($target).'___'. &Apache::lonnet::declutter($thisdep).'___usage' @@ -787,33 +869,34 @@ sub publish { #Encode any High ASCII characters $outstring=&HTML::Entities::encode($outstring,"\200-\377"); -# ------------------------------------------------------------- Write modified +# ------------------------------------------------------------- Write modified. { my $org; unless ($org=Apache::File->new('>'.$source)) { print $logfile "No write permit to $source\n"; - return - "No write permission to $source, FAIL"; + return ('No write permission to '.$source. + ', FAIL',1); } - print $org $outstring; + print($org $outstring); } $content=$outstring; } -# --------------------------------------------- Initial step done, now metadata +# -------------------------------------------- Initial step done, now metadata. -# ---------------------------------------- Storage for metadata keys and fields +# --------------------------------------- Storage for metadata keys and fields. %metadatafields=(); %metadatakeys=(); my %oldparmstores=(); - + unless ($batch) { $scrout.='

Metadata Information ' . Apache::loncommon::help_open_topic("Metadata_Description") . '

'; + } # ------------------------------------------------ First, check out environment unless (-e $source.'.meta') { @@ -863,7 +946,7 @@ sub publish { } # -------------------------------------------------- Parse content for metadata - if ($style eq 'ssi') { + if (($style eq 'ssi') || ($style eq 'prv')) { my $oldenv=$ENV{'request.uri'}; $ENV{'request.uri'}=$target; @@ -874,168 +957,207 @@ sub publish { } # ---------------- Find and document discrepancies in the parameters and stores - my $chparms=''; - foreach (sort keys %metadatafields) { - if (($_=~/^parameter/) || ($_=~/^stores/)) { - unless ($_=~/\.\w+$/) { - unless ($oldparmstores{$_}) { - print $logfile 'New: '.$_."\n"; - $chparms.=$_.' '; - } - } - } - } - if ($chparms) { - $scrout.='

New parameters or stored values: '. - $chparms; - } + my $chparms=''; + foreach (sort keys %metadatafields) { + if (($_=~/^parameter/) || ($_=~/^stores/)) { + unless ($_=~/\.\w+$/) { + unless ($oldparmstores{$_}) { + print $logfile 'New: '.$_."\n"; + $chparms.=$_.' '; + } + } + } + } + if ($chparms) { + $scrout.='

New parameters or stored values: '.$chparms.'

'; + } - $chparms=''; - foreach (sort keys %oldparmstores) { - if (($_=~/^parameter/) || ($_=~/^stores/)) { - unless (($metadatafields{$_.'.name'}) || - ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) { - print $logfile 'Obsolete: '.$_."\n"; - $chparms.=$_.' '; - } - } - } - if ($chparms) { - $scrout.='

Obsolete parameters or stored values: '. - $chparms; - } + $chparms=''; + foreach (sort keys %oldparmstores) { + if (($_=~/^parameter/) || ($_=~/^stores/)) { + unless (($metadatafields{$_.'.name'}) || + ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) { + print $logfile 'Obsolete: '.$_."\n"; + $chparms.=$_.' '; + } + } + } + if ($chparms) { + $scrout.='

Obsolete parameters or stored values: '. + $chparms.'

'; + } # ------------------------------------------------------- Now have all metadata + my %keywords=(); + + if (length($content)<500000) { + my $textonly=$content; + $textonly=~s/\//g; + $textonly=~s/\[^\<]+\<\/m\>//g; + $textonly=~s/\<[^\>]*\>//g; + $textonly=~tr/A-Z/a-z/; + $textonly=~s/[\$\&][a-z]\w*//g; + $textonly=~s/[^a-z\s]//g; + + foreach ($textonly=~m/(\w+)/g) { + unless ($nokey{$_}) { + $keywords{$_}=1; + } + } + } + + + foreach (split(/\W+/,$metadatafields{'keywords'})) { + $keywords{$_}=1; + } +# --------------------------------------------------- Now we also have keywords +# ============================================================================= +# INTERACTIVE MODE +# + unless ($batch) { $scrout.= - '
'. - '

'. - &hiddenfield('phase','two'). - &hiddenfield('filename',$ENV{'form.filename'}). - &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)). - &hiddenfield('dependencies',join(',',keys %allow)). - &textfield('Title','title',$metadatafields{'title'}). - &textfield('Author(s)','author',$metadatafields{'author'}). - &textfield('Subject','subject',$metadatafields{'subject'}); + ''. + '

'. + &hiddenfield('phase','two'). + &hiddenfield('filename',$ENV{'form.filename'}). + &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)). + &hiddenfield('dependencies',join(',',keys %allow)). + &textfield('Title','title',$metadatafields{'title'}). + &textfield('Author(s)','author',$metadatafields{'author'}). + &textfield('Subject','subject',$metadatafields{'subject'}); # --------------------------------------------------- Scan content for keywords my $keywords_help = Apache::loncommon::help_open_topic("Publishing_Keywords"); my $keywordout=<<"END";

Keywords: $keywords_help - - + + +


END - $keywordout.=''; - my $colcount=0; - my %keywords=(); - - if (length($content)<500000) { - my $textonly=$content; - $textonly=~s/\//g; - $textonly=~s/\[^\<]+\<\/m\>//g; - $textonly=~s/\<[^\>]*\>//g; - $textonly=~tr/A-Z/a-z/; - $textonly=~s/[\$\&][a-z]\w*//g; - $textonly=~s/[^a-z\s]//g; - - foreach ($textonly=~m/(\w+)/g) { - unless ($nokey{$_}) { - $keywords{$_}=1; - } - } - } + $keywordout.='
'; + my $colcount=0; - - foreach (split(/\W+/,$metadatafields{'keywords'})) { - $keywords{$_}=1; - } + foreach (sort keys %keywords) { + $keywordout.='\n"; + $colcount=0; + } + $colcount++; + } - foreach (sort keys %keywords) { - $keywordout.='\n"; - $colcount=0; - } - $colcount++; - } - $keywordout.='
'; + if ($colcount>10) { + $keywordout.="
'; - if ($colcount>10) { - $keywordout.="
'; - $scrout.=$keywordout; + $scrout.=$keywordout; - $scrout.=&textfield('Additional Keywords','addkey',''); + $scrout.=&textfield('Additional Keywords','addkey',''); - $scrout.=&textfield('Notes','notes',$metadatafields{'notes'}); + $scrout.=&textfield('Notes','notes',$metadatafields{'notes'}); - $scrout.= - '

Abstract:
'; + $scrout.= + '

Abstract:

'; $source=~/\.(\w+)$/; $scrout.=&hiddenfield('mime',$1); - $scrout.=&selectbox('Language','language', - $metadatafields{'language'}, + $scrout.=&selectbox('Language','language', + $metadatafields{'language'}, \&Apache::loncommon::languagedescription, (&Apache::loncommon::languageids), - ); + ); - unless ($metadatafields{'creationdate'}) { + unless ($metadatafields{'creationdate'}) { $metadatafields{'creationdate'}=time; - } - $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'}); + } + $scrout.=&hiddenfield('creationdate', + &Apache::loncommon::unsqltime($metadatafields{'creationdate'})); + + $scrout.=&hiddenfield('lastrevisiondate',time); - $scrout.=&hiddenfield('lastrevisiondate',time); - $scrout.=&textfield('Publisher/Owner','owner', - $metadatafields{'owner'}); -# --------------------------------------------------- Correct copyright for rat + $metadatafields{'owner'}); - if ($style eq 'rat') { - if ($metadatafields{'copyright'} eq 'public') { - delete $metadatafields{'copyright'}; +# -------------------------------------------------- Correct copyright for rat. + unless ($style eq 'prv') { + if ($style eq 'rat') { + if ($metadatafields{'copyright'} eq 'public') { + delete $metadatafields{'copyright'}; + } + $scrout.=&selectbox('Copyright/Distribution','copyright', + $metadatafields{'copyright'}, + \&Apache::loncommon::copyrightdescription, + (grep !/^public$/,(&Apache::loncommon::copyrightids))); + } else { + $scrout.=&selectbox('Copyright/Distribution','copyright', + $metadatafields{'copyright'}, + \&Apache::loncommon::copyrightdescription, + (&Apache::loncommon::copyrightids)); + } + + my $copyright_help = + Apache::loncommon::help_open_topic('Publishing_Copyright'); + $scrout =~ s/DISTRIBUTION:/'DISTRIBUTION: ' . $copyright_help/ge; + $scrout.=&textfield('Custom Distribution File','customdistributionfile', + $metadatafields{'customdistributionfile'}). + $copyright_help; + } else { + $scrout.=&hiddenfield('copyright','private'); + } + return ($scrout.'

',0); +# ============================================================================= +# BATCH MODE +# + } else { +# Transfer metadata directly to environment for stage 2 + foreach (keys %metadatafields) { + $ENV{'form.'.$_}=$metadatafields{$_}; + } + $ENV{'form.addkey'}=''; + $ENV{'form.keywords'}=''; + foreach (keys %keywords) { + if ($metadatafields{'keywords'}) { + if ($metadatafields{'keywords'}=~/$_/) { + $ENV{'form.keywords'}.=$_.','; + } + } elsif (&Apache::loncommon::keyword($_)) { + $ENV{'form.keywords'}.=$_.','; + } + } + $ENV{'form.keywords'}=~s/\,$//; + unless ($ENV{'form.creationdate'}) { $ENV{'form.creationdate'}=time; } + $ENV{'form.lastrevisiondate'}=time; + if ((($style eq 'rat') && ($ENV{'form.copyright'} eq 'public')) || + (!$ENV{'form.copyright'})) { + $ENV{'form.copyright'}='default'; } - $scrout.=&selectbox('Copyright/Distribution','copyright', - $metadatafields{'copyright'}, - \&Apache::loncommon::copyrightdescription, - (grep !/^public$/,(&Apache::loncommon::copyrightids))); - } - else { - $scrout.=&selectbox('Copyright/Distribution','copyright', - $metadatafields{'copyright'}, - \&Apache::loncommon::copyrightdescription, - (&Apache::loncommon::copyrightids)); - } - - my $copyright_help = Apache::loncommon::help_open_topic("Publishing_Copyright"); - $scrout =~ s/DISTRIBUTION:/'DISTRIBUTION: ' . $copyright_help/ge; - return $scrout. - '

'; + $ENV{'form.allmeta'}=&Apache::lonnet::escape($allmeta); + return ($scrout,0); + } } ######################################### @@ -1043,260 +1165,421 @@ END =pod -=item phasetwo +=item B Render second interface showing status of publication steps. This is publication step two. +Parameters: + +=over 4 + +=item I<$source> + +=item I<$target> + +=item I<$style> + +=item I<$distarget> + +=back + +Returns: + +=over 4 + +=item Scalar string + +String contains status (errors and warnings) and information associated with +the server's attempts at publication. + =cut +#'stupid emacs ######################################### ######################################### sub phasetwo { - my ($source,$target,$style,$distarget)=@_; + my ($r,$source,$target,$style,$distarget,$batch)=@_; + $source=~s/\/+/\//g; + $target=~s/\/+/\//g; + + if ($target=~/\_\_\_/) { + $r->print( + 'Unsupported character combination "___" in filename, FAIL'); + return 0; + } + $distarget=~s/\/+/\//g; my $logfile; - my $scrout=''; unless ($logfile=Apache::File->new('>>'.$source.'.log')) { - return - 'No write permission to user directory, FAIL'; + $r->print( + 'No write permission to user directory, FAIL'); + return 0; } print $logfile -"\n================= Publish ".localtime()." Phase Two ================\n"; - - %metadatafields=(); - %metadatakeys=(); - - &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'})); - - $metadatafields{'title'}=$ENV{'form.title'}; - $metadatafields{'author'}=$ENV{'form.author'}; - $metadatafields{'subject'}=$ENV{'form.subject'}; - $metadatafields{'notes'}=$ENV{'form.notes'}; - $metadatafields{'abstract'}=$ENV{'form.abstract'}; - $metadatafields{'mime'}=$ENV{'form.mime'}; - $metadatafields{'language'}=$ENV{'form.language'}; - $metadatafields{'creationdate'}=$ENV{'form.creationdate'}; - $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'}; - $metadatafields{'owner'}=$ENV{'form.owner'}; - $metadatafields{'copyright'}=$ENV{'form.copyright'}; - $metadatafields{'dependencies'}=$ENV{'form.dependencies'}; - - my $allkeywords=$ENV{'form.addkey'}; - if (exists($ENV{'form.keywords'}) && (ref($ENV{'form.keywords'}))) { - my @Keywords = @{$ENV{'form.keywords'}}; - foreach (@Keywords) { - $allkeywords.=','.$_; - } - } - $allkeywords=~s/\W+/\,/; - $allkeywords=~s/^\,//; - $metadatafields{'keywords'}=$allkeywords; - - { - print $logfile "\nWrite metadata file for ".$source; - my $mfh; - unless ($mfh=Apache::File->new('>'.$source.'.meta')) { - return - 'Could not write metadata, FAIL'; - } - foreach (sort keys %metadatafields) { - unless ($_=~/\./) { - my $unikey=$_; - $unikey=~/^([A-Za-z]+)/; - my $tag=$1; - $tag=~tr/A-Z/a-z/; - print $mfh "\n\<$tag"; - foreach (split(/\,/,$metadatakeys{$unikey})) { - my $value=$metadatafields{$unikey.'.'.$_}; - $value=~s/\"/\'\'/g; - print $mfh ' '.$_.'="'.$value.'"'; - } - print $mfh '>'. - &HTML::Entities::encode($metadatafields{$unikey}) - .''; - } - } - $scrout.='

Wrote Metadata'; - print $logfile "\nWrote metadata"; - } - + "\n================= Publish ".localtime()." Phase Two ================\n"; + + %metadatafields=(); + %metadatakeys=(); + + &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'})); + + $metadatafields{'title'}=$ENV{'form.title'}; + $metadatafields{'author'}=$ENV{'form.author'}; + $metadatafields{'subject'}=$ENV{'form.subject'}; + $metadatafields{'notes'}=$ENV{'form.notes'}; + $metadatafields{'abstract'}=$ENV{'form.abstract'}; + $metadatafields{'mime'}=$ENV{'form.mime'}; + $metadatafields{'language'}=$ENV{'form.language'}; + $metadatafields{'creationdate'}=$ENV{'form.creationdate'}; + $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'}; + $metadatafields{'owner'}=$ENV{'form.owner'}; + $metadatafields{'copyright'}=$ENV{'form.copyright'}; + $metadatafields{'customdistributionfile'}= + $ENV{'form.customdistributionfile'}; + $metadatafields{'dependencies'}=$ENV{'form.dependencies'}; + + my $allkeywords=$ENV{'form.addkey'}; + if (exists($ENV{'form.keywords'})) { + if (ref($ENV{'form.keywords'})) { + $allkeywords .= ','.join(',',@{$ENV{'form.keywords'}}); + } else { + $allkeywords .= ','.$ENV{'form.keywords'}; + } + } + $allkeywords=~s/\W+/\,/; + $allkeywords=~s/^\,//; + $metadatafields{'keywords'}=$allkeywords; + + { + print $logfile "\nWrite metadata file for ".$source; + my $mfh; + unless ($mfh=Apache::File->new('>'.$source.'.meta')) { + return + 'Could not write metadata, FAIL'; + } + foreach (sort keys %metadatafields) { + unless ($_=~/\./) { + my $unikey=$_; + $unikey=~/^([A-Za-z]+)/; + my $tag=$1; + $tag=~tr/A-Z/a-z/; + print $mfh "\n\<$tag"; + foreach (split(/\,/,$metadatakeys{$unikey})) { + my $value=$metadatafields{$unikey.'.'.$_}; + $value=~s/\"/\'\'/g; + print $mfh ' '.$_.'="'.$value.'"'; + } + print $mfh '>'. + &HTML::Entities::encode($metadatafields{$unikey}) + .''; + } + } + $r->print('

Wrote Metadata

'); + print $logfile "\nWrote metadata"; + } + # -------------------------------- Synchronize entry with SQL metadata database - my $warning; + $metadatafields{'url'} = $distarget; $metadatafields{'version'} = 'current'; unless ($metadatafields{'copyright'} eq 'priv') { my ($error,$success) = &store_metadata(\%metadatafields); if ($success) { - $scrout.='

Synchronized SQL metadata database'; + $r->print('

Synchronized SQL metadata database

'); print $logfile "\nSynchronized SQL metadata database"; } else { - $warning.=$error; + $r->print($error); print $logfile "\n".$error; } } else { - $scrout.='

Private Publication - did not synchronize database'; + $r->print('

Private Publication - did not synchronize database

'); print $logfile "\nPrivate: Did not synchronize data into ". "SQL metadata database"; } # ----------------------------------------------------------- Copy old versions -if (-e $target) { - my $filename; - my $maxversion=0; - $target=~/(.*)\/([^\/]+)\.(\w+)$/; - my $srcf=$2; - my $srct=$3; - my $srcd=$1; - unless ($srcd=~/^\/home\/httpd\/html\/res/) { - print $logfile "\nPANIC: Target dir is ".$srcd; - return "Invalid target directory, FAIL"; - } - opendir(DIR,$srcd); - while ($filename=readdir(DIR)) { - if ($filename=~/$srcf\.(\d+)\.$srct$/) { - $maxversion=($1>$maxversion)?$1:$maxversion; - } - } - closedir(DIR); - $maxversion++; - $scrout.='

Creating old version '.$maxversion; - print $logfile "\nCreating old version ".$maxversion; - - my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct; - + if (-e $target) { + my $filename; + my $maxversion=0; + $target=~/(.*)\/([^\/]+)\.(\w+)$/; + my $srcf=$2; + my $srct=$3; + my $srcd=$1; + unless ($srcd=~/^\/home\/httpd\/html\/res/) { + print $logfile "\nPANIC: Target dir is ".$srcd; + return "Invalid target directory, FAIL"; + } + opendir(DIR,$srcd); + while ($filename=readdir(DIR)) { + if (-l $srcd.'/'.$filename) { + unlink($srcd.'/'.$filename); + unlink($srcd.'/'.$filename.'.meta'); + } else { + if ($filename=~/\Q$srcf\E\.(\d+)\.\Q$srct\E$/) { + $maxversion=($1>$maxversion)?$1:$maxversion; + } + } + } + closedir(DIR); + $maxversion++; + $r->print('

Creating old version '.$maxversion.'

'); + print $logfile "\nCreating old version ".$maxversion; + + my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct; + if (copy($target,$copyfile)) { print $logfile "Copied old target to ".$copyfile."\n"; - $scrout.='

Copied old target file'; + $r->print('

Copied old target file

'); } else { print $logfile "Unable to write ".$copyfile.':'.$!."\n"; - return "Failed to copy old target, $!, FAIL"; + return "Failed to copy old target, $!, FAIL"; } - + # --------------------------------------------------------------- Copy Metadata $copyfile=$copyfile.'.meta'; - + if (copy($target.'.meta',$copyfile)) { print $logfile "Copied old target metadata to ".$copyfile."\n"; - $scrout.='

Copied old metadata'; + $r->print('

Copied old metadata

') } else { print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n"; if (-e $target.'.meta') { - return - "Failed to write old metadata copy, $!, FAIL"; + return + "Failed to write old metadata copy, $!, FAIL"; } } - - -} else { - $scrout.='

Initial version'; - print $logfile "\nInitial version"; -} + + + } else { + $r->print('

Initial version

'); + print $logfile "\nInitial version"; + } # ---------------------------------------------------------------- Write Source - my $copyfile=$target; - - my @parts=split(/\//,$copyfile); - my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; - - my $count; - for ($count=5;$count<$#parts;$count++) { - $path.="/$parts[$count]"; - if ((-e $path)!=1) { - print $logfile "\nCreating directory ".$path; - $scrout.='

Created directory '.$parts[$count]; - mkdir($path,0777); - } - } - - if (copy($source,$copyfile)) { - print $logfile "Copied original source to ".$copyfile."\n"; - $scrout.='

Copied source file'; - } else { - print $logfile "Unable to write ".$copyfile.':'.$!."\n"; - return "Failed to copy source, $!, FAIL"; + my $copyfile=$target; + + my @parts=split(/\//,$copyfile); + my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; + + my $count; + for ($count=5;$count<$#parts;$count++) { + $path.="/$parts[$count]"; + if ((-e $path)!=1) { + print $logfile "\nCreating directory ".$path; + $r->print('

Created directory '.$parts[$count].'

'); + mkdir($path,0777); } - + } + + if (copy($source,$copyfile)) { + print $logfile "\nCopied original source to ".$copyfile."\n"; + $r->print('

Copied source file

'); + } else { + print $logfile "\nUnable to write ".$copyfile.':'.$!."\n"; + return "Failed to copy source, $!, FAIL"; + } + # --------------------------------------------------------------- Copy Metadata - $copyfile=$copyfile.'.meta'; - - if (copy($source.'.meta',$copyfile)) { - print $logfile "Copied original metadata to ".$copyfile."\n"; - $scrout.='

Copied metadata'; - } else { - print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n"; - return - "Failed to write metadata copy, $!, FAIL"; - } - + $copyfile=$copyfile.'.meta'; + + if (copy($source.'.meta',$copyfile)) { + print $logfile "\nCopied original metadata to ".$copyfile."\n"; + $r->print('

Copied metadata

'); + } else { + print $logfile "\nUnable to write metadata ".$copyfile.':'.$!."\n"; + return + "Failed to write metadata copy, $!, FAIL"; + } + $r->rflush; # --------------------------------------------------- Send update notifications my @subscribed=&get_subscribed_hosts($target); foreach my $subhost (@subscribed) { - $scrout.='

Notifying host '.$subhost.':'; + $r->print('

Notifying host '.$subhost.':');$r->rflush; print $logfile "\nNotifying host ".$subhost.':'; my $reply=&Apache::lonnet::critical('update:'.$target,$subhost); - $scrout.=$reply; + $r->print($reply.'


');$r->rflush; print $logfile $reply; } - + # ---------------------------------------- Send update notifications, meta only my @subscribedmeta=&get_subscribed_hosts("$target.meta"); foreach my $subhost (@subscribedmeta) { - $scrout.='

Notifying host for metadata only '.$subhost.':'; + $r->print('

Notifying host for metadata only '.$subhost.':');$r->rflush; print $logfile "\nNotifying host for metadata only ".$subhost.':'; my $reply=&Apache::lonnet::critical('update:'.$target.'.meta', $subhost); - $scrout.=$reply; + $r->print($reply.'


');$r->rflush; + print $logfile $reply; + } + +# --------------------------------------------------- Notify subscribed courses + my %courses=&coursedependencies($target); + my $now=time; + foreach (keys %courses) { + $r->print('

Notifying course '.$_.':');$r->rflush; + print $logfile "\nNotifying host ".$_.':'; + my ($cdom,$cname)=split(/\_/,$_); + my $reply=&Apache::lonnet::cput + ('versionupdate',{$target => $now},$cdom,$cname); + $r->print($reply.'


');$r->rflush; print $logfile $reply; } - # ------------------------------------------------ Provide link to new resource + unless ($batch) { + my $thisdistarget=$target; + $thisdistarget=~s/^$docroot//; + + my $thissrc=$source; + $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/; + + my $thissrcdir=$thissrc; + $thissrcdir=~s/\/[^\/]+$/\//; + + + $r->print( + '
'. + 'View Published Version'. + '

Back to Source

'. + '

Back to Source Directory

'); + } +} + +######################################### + +sub batchpublish { + my ($r,$srcfile,$targetfile)=@_; + $srcfile=~s/\/+/\//g; + $targetfile=~s/\/+/\//g; + my $thisdisfn=$srcfile; + $thisdisfn=~s/\/home\/korte\/public_html\///; + $srcfile=~s/\/+/\//g; - my $thisdistarget=$target; + my $docroot=$r->dir_config('lonDocRoot'); + my $thisdistarget=$targetfile; $thisdistarget=~s/^$docroot//; - my $thissrc=$source; - $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/; - my $thissrcdir=$thissrc; - $thissrcdir=~s/\/[^\/]+$/\//; + undef %metadatafields; + undef %metadatakeys; + %metadatafields=(); + %metadatakeys=(); + $srcfile=~/\.(\w+)$/; + my $thistype=$1; - return $warning.$scrout. - '
View Published Version'. - '

Back to Source'. - '

Back to Source Directory'; + my $thisembstyle=&Apache::loncommon::fileembstyle($thistype); + + $r->print('

Publishing '.$thisdisfn.'

'); +# phase one takes +# my ($source,$target,$style,$batch)=@_; + my ($outstring,$error)=&publish($srcfile,$targetfile,$thisembstyle,1); + $r->print('

'.$outstring.'

'); +# phase two takes +# my ($source,$target,$style,$distarget,batch)=@_; +# $ENV{'form.allmeta'},$ENV{'form.title'},$ENV{'form.author'},... + if (!$error) { + $r->print('

'); + &phasetwo($r,$srcfile,$targetfile,$thisembstyle,$thisdistarget,1); + $r->print('

'); + } + return ''; } - ######################################### + +sub publishdirectory { + my ($r,$fn,$thisdisfn)=@_; + $fn=~s/\/+/\//g; + $thisdisfn=~s/\/+/\//g; + my $resdir= + $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cudom.'/'.$cuname.'/'. + $thisdisfn; + $r->print('

Directory '.$thisdisfn.'

'. + 'Target: '.$resdir.'
'); + + my $dirptr=16384; # Mask indicating a directory in stat.cmode. + + opendir(DIR,$fn); + my @files=sort(readdir(DIR)); + foreach my $filename (@files) { + my ($cdev,$cino,$cmode,$cnlink, + $cuid,$cgid,$crdev,$csize, + $catime,$cmtime,$cctime, + $cblksize,$cblocks)=stat($fn.'/'.$filename); + + my $extension=''; + if ($filename=~/\.(\w+)$/) { $extension=$1; } + if ($cmode&$dirptr) { + if (($filename!~/^\./) && ($ENV{'form.pubrec'})) { + &publishdirectory($r,$fn.'/'.$filename,$thisdisfn.'/'.$filename); + } + } elsif ((&Apache::loncommon::fileembstyle($extension) ne 'hdn') && + ($filename!~/^[\#\.]/) && ($filename!~/\~$/)) { +# find out publication status and/or exiting metadata + my $publishthis=0; + if (-e $resdir.'/'.$filename) { + my ($rdev,$rino,$rmode,$rnlink, + $ruid,$rgid,$rrdev,$rsize, + $ratime,$rmtime,$rctime, + $rblksize,$rblocks)=stat($resdir.'/'.$filename); + if ($rmtime<$cmtime) { +# previously published, modified now + $publishthis=1; + } + } else { +# never published + $publishthis=1; + } + if ($publishthis) { + &batchpublish($r,$fn.'/'.$filename,$resdir.'/'.$filename); + } else { + $r->print('
Skipping '.$filename.'
'); + } + $r->rflush(); + } + } + closedir(DIR); +} ######################################### =pod -=item handler +=item B A basic outline of the handler subroutine follows. =over 4 -=item Get query string for limited number of parameters +=item * + +Get query string for limited number of parameters. + +=item * + +Check filename. + +=item * + +File is there and owned, init lookup tables. -=item Check filename +=item * -=item File is there and owned, init lookup tables +Start page output. -=item Start page output +=item * -=item Individual file +Evaluate individual file, and then output information. -=item publish from $thisfn to $thistarget with $thisembstyle +=item * + +Publishing from $thisfn to $thistarget with $thisembstyle. =back @@ -1320,7 +1603,7 @@ sub handler { # -------------------------------------------------------------- Check filename - my $fn=$ENV{'form.filename'}; + my $fn=&Apache::lonnet::unescape($ENV{'form.filename'}); unless ($fn) { @@ -1375,7 +1658,7 @@ sub handler { unless ($ENV{'form.phase'} eq 'two') { -# --------------------------------- File is there and owned, init lookup tables +# -------------------------------- File is there and owned, init lookup tables. %addid=(); @@ -1399,58 +1682,63 @@ unless ($ENV{'form.phase'} eq 'two') { } -# ----------------------------------------------------------- Start page output +# ---------------------------------------------------------- Start page output. $r->content_type('text/html'); $r->send_http_header; $r->print('LON-CAPA Publishing'); - $r->print( - ''); + $r->print(&Apache::loncommon::bodytag('Resource Publication')); + + my $thisfn=$fn; - -# ------------------------------------------------------------- Individual file - { - $thisfn=~/\.(\w+)$/; - my $thistype=$1; - my $thisembstyle=&Apache::loncommon::fileembstyle($thistype); - my $thistarget=$thisfn; + my $thistarget=$thisfn; - $thistarget=~s/^\/home/$targetdir/; - $thistarget=~s/\/public\_html//; + $thistarget=~s/^\/home/$targetdir/; + $thistarget=~s/\/public\_html//; - my $thisdistarget=$thistarget; - $thisdistarget=~s/^$docroot//; + my $thisdistarget=$thistarget; + $thisdistarget=~s/^$docroot//; - my $thisdisfn=$thisfn; - $thisdisfn=~s/^\/home\/$cuname\/public_html\///; + my $thisdisfn=$thisfn; + $thisdisfn=~s/^\/home\/$cuname\/public_html\///; + + if ($fn=~/\/$/) { +# -------------------------------------------------------- This is a directory + &publishdirectory($r,$fn,$thisdisfn); + + } else { +# ---------------------- Evaluate individual file, and then output information. + $thisfn=~/\.(\w+)$/; + my $thistype=$1; + my $thisembstyle=&Apache::loncommon::fileembstyle($thistype); $r->print('

Publishing '. &Apache::loncommon::filedescription($thistype).' '. - $thisdisfn.'

Target: '.$thisdistarget.'

'); + ''.$thisdisfn. + 'Target: '.$thisdistarget.'
'); - if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) { - $r->print('

Co-Author: '.$cuname.' at '.$cudom. - '

'); + if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) { + $r->print('

Co-Author: '.$cuname.' at '.$cudom. + '

'); } if (&Apache::loncommon::fileembstyle($thistype) eq 'ssi') { - $r->print('
Diffs with Current Version

'); + '&versiontwo=priv" target="cat">Diffs with Current Version
'); } -# ------------ We are publishing from $thisfn to $thistarget with $thisembstyle +# ------------------ Publishing from $thisfn to $thistarget with $thisembstyle. unless ($ENV{'form.phase'} eq 'two') { - $r->print( - '

'.&publish($thisfn,$thistarget,$thisembstyle)); + my ($outstring,$error)=&publish($thisfn,$thistarget,$thisembstyle); + $r->print('
'.$outstring); } else { - $r->print( - '
'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget)); - } - + $r->print('
'); + &phasetwo($r,$thisfn,$thistarget,$thisembstyle,$thisdistarget); + } } $r->print('');