lift_embargos

#!/usr/bin/perl -w 

use FindBin;
use lib "$FindBin::Bin/../perl_lib";

######################################################################
#
#
######################################################################

=pod

=head1 NAME

B<lift_embargos> - lift expired publisher- or funder-imposed embargoes from a repository

=head1 SYNOPSIS

B<lift_embargos> - I<repository_id> [B<options>]

=head1 DESCRIPTION

Lift expired publisher- or funder-imposed embargoes from a repository.

This script will:

  - search the repository for documents which have an expired publisher- or funder-imposed embargo date (relative to the system date)
  - make all documents whose embargo has expired publicly available
  - remove the expired embargo date value
  - re-generate the abstract page for the eprint

Note that this considers the date to be the local date, not the UTC date.

=head1 ARGUMENTS

=over 8

=item B<repository_id> 

The ID of the EPrint repository to search.

=back

=head1 OPTIONS

=over 8

=item B<--help>

Print a brief help message and exit.

=item B<--man>

Print the full manual page and then exit.

=item B<--quiet>

Be vewwy vewwy quiet. This option will suppress all output unless an error occurs.

=item B<--verbose>

Explain in detail what is going on. May be repeated for greater effect.

=item B<--dry-run>

Don't perform an actual changes.

=item B<--version>

Output version information and exit.

=back   


=cut

use EPrints;
use Getopt::Long;
use Pod::Usage;
use strict;

my $version = 0;
my $verbose = 0;
my $quiet = 0;
my $help = 0;
my $man = 0;
my $dryrun = 0;

Getopt::Long::Configure("permute");

GetOptions( 
	'help|?' => \$help,
	'man' => \$man,
	'version' => \$version,
	'verbose+' => \$verbose,
	'silent' => \$quiet,
	'quiet' => \$quiet,
	'dry-run' => \$dryrun,
) || pod2usage( 2 );
EPrints::Utils::cmd_version( "lift_embargos" ) if $version;
pod2usage( 1 ) if $help;
pod2usage( -exitstatus => 0, -verbose => 2 ) if $man;
pod2usage( 2 ) if( scalar @ARGV != 1 ); 

our $noise = 1;
$noise = 0 if( $quiet );
$noise = 1+$verbose if( $verbose );

# Set STDOUT to auto flush (without needing a \n)
$|=1;

my $repoid = $ARGV[0];
my $session = new EPrints::Session( 1 , $repoid , $noise );
if( !defined $session )
{
	print STDERR "Failed to load repository: $repoid\n";
	exit 1;
}

my $ds = $session->dataset( "document" );

# Search for expired embargoes
my $searchexp = new EPrints::Search( 
		session=>$session, 
		dataset=>$ds );

my @utcdate = EPrints::Time::utc_datetime();
my $date = sprintf("-%04d-%02d-%02d", @utcdate[0..2] );
$searchexp->add_field( $ds->get_field( "date_embargo" ), $date );

my $list = $searchexp->perform_search;

# For matching documents, remove embargo date value,
# make documents publicly accessible, and
# re-generate abstract page
$list->map( sub {
	my( $session, $dataset, $doc ) = @_;

	my $eprint = $doc->get_eprint;

	# only concerned with documents in main archive
	return unless $eprint->get_value( "eprint_status" ) eq "archive";

	if( $noise )
	{
		print "Lifting expired embargo on eprint #".$eprint->id.", document #" . $doc->get_id . " (" . $doc->get_value("date_embargo") . ")\n";
	}
	if( !$dryrun )
	{
		$doc->set_value( "security", "public" );
		$doc->set_value( "date_embargo", undef );
		$doc->commit( 1 ); # pass force through to parent eprint
		$eprint->generate_static;

		# post-processing, eg. send notification of embargo expiry
		if( $session->can_call( "notify_embargo_expiry" ) )
		{
			$session->call( "notify_embargo_expiry", $eprint, $doc );
		}
	}
} );

$session->terminate();


=head1 COPYRIGHT

=for COPYRIGHT BEGIN

Copyright 2000-2011 University of Southampton.

=for COPYRIGHT END

=for LICENSE BEGIN

This file is part of EPrints L<http://www.eprints.org/>.

EPrints 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 3 of the License, or
(at your option) any later version.

EPrints 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 EPrints.  If not, see L<http://www.gnu.org/licenses/>.

=for LICENSE END