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package Koha::Util::Misc; |
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# Copyright 2024 Koha Development Team |
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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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use Modern::Perl; |
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use Digest::MD5 qw( md5_hex ); |
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use Sereal::Encoder qw( encode_sereal ); |
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use Koha::Biblios; |
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use Koha::MetadataRecord; |
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use C4::Biblio qw( GetFrameworkCode GetMarcStructure GetMarcFromKohaField ); |
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=head1 NAME |
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Koha::Util::Misc - utility class with miscellaneous routines |
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=head1 FUNCTIONS |
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=head2 digest |
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my $digest = Koha::Util::Misc::digest( $data_structure ) |
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Calculates a md5_hex digest of the given argument (any Perl data structure). |
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=head3 Returns: |
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=over 4 |
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=item C<$digest> |
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calculated digest |
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=back |
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=cut |
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sub digest { |
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my $data = shift; |
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return md5_hex( |
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encode_sereal( |
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( ref $data eq '' ) ? \$data : $data, |
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{ sort_keys => 1 } |
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) |
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); |
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} |
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=head2 prepare_mid_air_collision_merge |
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my ( $records, $framework_database ) = prepare_mid_air_collision_merge( $data ) |
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Prepares data for merging two versions of a bibliographic record in case of |
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concurrent modification made. |
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=head3 Parameters: |
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=over 4 |
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=item C<$data> |
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in $data you pass biblionumber of the modified bibliographic record and |
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its modified version in MARC::Record object |
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=back |
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=head3 Returns: |
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=over 4 |
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=item C<$records> |
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a data structure suitable for 'records' parameter for cataloguing/merge.tt |
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template |
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=item C<$framework_database> |
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a template code of the database version of the record needed for |
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cataloguing/merge.tt template ('framework' parameter) |
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=back |
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=cut |
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sub prepare_mid_air_collision_merge { |
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my $data = shift; |
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my $biblionumber = $data->{biblionumber}; |
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my $modified_record = $data->{modified_record}; |
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my $framework_database = GetFrameworkCode($biblionumber); |
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# Getting MARC Structure |
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my $tagslib = GetMarcStructure( 1, $framework_database ); |
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my $marcflavour = lc( C4::Context->preference('marcflavour') ); |
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# Creating a loop for display |
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my @records; |
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for my $i ( 0 .. 1 ) { |
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my $biblio; |
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my $marcrecord; |
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my $template_record; |
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if ( $i == 0 ) { #database version |
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$biblio = Koha::Biblios->find($biblionumber); |
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$marcrecord = $biblio->record; |
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$template_record->{reference} = 1; |
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$template_record->{recordid} = $biblionumber; |
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} else { #modified version |
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$marcrecord = $modified_record; |
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$template_record->{recordid} = -1; # NOTE for the modified version |
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} |
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my $recordObj = Koha::MetadataRecord->new( { 'record' => $marcrecord, schema => $marcflavour } ); |
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$template_record->{record} = $marcrecord; |
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$template_record->{display} = $recordObj->createMergeHash($tagslib); |
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push @records, $template_record; |
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} |
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return ( \@records, $framework_database ); |
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} |
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1; |
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__END__ |
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=head1 AUTHOR |
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Koha Development Team <https://koha-community.org/> |
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Janusz Kaczmarek <januszop@gmail.com> |
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=cut |