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88 lines
2.8 KiB
88 lines
2.8 KiB
# Copyright Tamil s.a.r.l. 2008-2015
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# Copyright Biblibre 2008-2015
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# Copyright The National Library of Finland, University of Helsinki 2016-2017
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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package Koha::OAI::Server::ResumptionToken;
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use Modern::Perl;
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use HTTP::OAI;
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use base ("HTTP::OAI::ResumptionToken");
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# Extends HTTP::OAI::ResumptionToken
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# A token is identified by:
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# - metadataPrefix
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# - from
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# - until
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# - offset
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# - deleted
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sub new {
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my ($class, %args) = @_;
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my $self = $class->SUPER::new(%args);
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my ($metadata_prefix, $offset, $from, $until, $set, $deleted, $deleted_count);
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if ( $args{ resumptionToken } ) {
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($metadata_prefix, $offset, $from, $until, $set, $deleted, $deleted_count)
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= split( '/', $args{resumptionToken} );
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}
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else {
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$metadata_prefix = $args{ metadataPrefix };
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$from = $args{ from } || '1970-01-01';
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$until = $args{ until };
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unless ( $until) {
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday) = gmtime( time );
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$until = sprintf( "%.4d-%.2d-%.2d", $year+1900, $mon+1,$mday );
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}
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#Add times to the arguments, when necessary, so they correctly match against the DB timestamps
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$from .= 'T00:00:00Z' if length($from) == 10;
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$until .= 'T23:59:59Z' if length($until) == 10;
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$offset = $args{ offset } || 0;
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$set = $args{ set } || '';
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$deleted = defined $args{ deleted } ? $args{ deleted } : 1;
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$deleted_count = defined $args{ deleted_count } ? $args{ deleted_count } : 0;
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}
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$self->{ metadata_prefix } = $metadata_prefix;
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$self->{ offset } = $offset;
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$self->{ from } = $from;
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$self->{ until } = $until;
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$self->{ set } = $set;
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$self->{ from_arg } = _strip_UTC_designators($from);
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$self->{ until_arg } = _strip_UTC_designators($until);
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$self->{ deleted } = $deleted;
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$self->{ deleted_count } = $deleted_count;
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$self->resumptionToken(
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join( '/', $metadata_prefix, $offset, $from, $until, $set, $deleted, $deleted_count ) );
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$self->cursor( $offset );
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return $self;
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}
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sub _strip_UTC_designators {
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my ( $timestamp ) = @_;
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$timestamp =~ s/T/ /g;
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$timestamp =~ s/Z//g;
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return $timestamp;
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}
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1;
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