Koha/Exporter/Record.pm

   1 package Koha::Exporter::Record;
   2
   3 use Modern::Perl;
   4 use MARC::File::XML;
   5 use MARC::File::USMARC;
   6
   7 use C4::AuthoritiesMarc;
   8 use C4::Biblio;
   9 use C4::Record;
  10 use Koha::CsvProfiles;
  11 use Koha::Logger;
  12
  13 sub _get_record_for_export {
  14     my ($params)           = @_;
  15     my $record_type        = $params->{record_type};
  16     my $record_id          = $params->{record_id};
  17     my $dont_export_fields = $params->{dont_export_fields};
  18     my $clean              = $params->{clean};
  19
  20     my $record;
  21     if ( $record_type eq 'auths' ) {
  22         $record = _get_authority_for_export( { %$params, authid => $record_id } );
  23     } elsif ( $record_type eq 'bibs' ) {
  24         $record = _get_biblio_for_export( { %$params, biblionumber => $record_id } );
  25     } else {
  26         Koha::Logger->get->warn( "Record_type $record_type not supported." );
  27     }
  28     return unless $record;
  29
  30     if ($dont_export_fields) {
  31         for my $f ( split / /, $dont_export_fields ) {
  32             if ( $f =~ m/^(\d{3})(.)?$/ ) {
  33                 my ( $field, $subfield ) = ( $1, $2 );
  34
  35                 # skip if this record doesn't have this field
  36                 if ( defined $record->field($field) ) {
  37                     if ( defined $subfield ) {
  38                         my @tags = $record->field($field);
  39                         foreach my $t (@tags) {
  40                             $t->delete_subfields($subfield);
  41                         }
  42                     } else {
  43                         $record->delete_fields( $record->field($field) );
  44                     }
  45                 }
  46             }
  47         }
  48     }
  49     C4::Biblio::RemoveAllNsb($record) if $clean;
  50     return $record;
  51 }
  52
  53 sub _get_authority_for_export {
  54     my ($params) = @_;
  55     my $authid = $params->{authid} || return;
  56     my $authority = Koha::MetadataRecord::Authority->get_from_authid($authid);
  57     return unless $authority;
  58     return $authority->record;
  59 }
  60
  61 sub _get_biblio_for_export {
  62     my ($params)     = @_;
  63     my $biblionumber = $params->{biblionumber};
  64     my $itemnumbers  = $params->{itemnumbers};
  65     my $export_items = $params->{export_items} // 1;
  66     my $only_export_items_for_branches = $params->{only_export_items_for_branches};
  67
  68     my $record = eval { C4::Biblio::GetMarcBiblio($biblionumber); };
  69
  70     return if $@ or not defined $record;
  71
  72     if ($export_items) {
  73         C4::Biblio::EmbedItemsInMarcBiblio( $record, $biblionumber, $itemnumbers );
  74         if ($only_export_items_for_branches && @$only_export_items_for_branches) {
  75             my %export_items_for_branches = map { $_ => 1 } @$only_export_items_for_branches;
  76             my ( $homebranchfield, $homebranchsubfield ) = GetMarcFromKohaField( 'items.homebranch', '' );    # Should be GetFrameworkCode( $biblionumber )?
  77
  78             for my $itemfield ( $record->field($homebranchfield) ) {
  79                 my $homebranch = $itemfield->subfield($homebranchsubfield);
  80                 unless ( $export_items_for_branches{$homebranch} ) {
  81                     $record->delete_field($itemfield);
  82                 }
  83             }
  84         }
  85     }
  86     return $record;
  87 }
  88
  89 sub export {
  90     my ($params) = @_;
  91
  92     my $record_type        = $params->{record_type};
  93     my $record_ids         = $params->{record_ids} || [];
  94     my $format             = $params->{format};
  95     my $itemnumbers        = $params->{itemnumbers} || [];    # Does not make sense with record_type eq auths
  96     my $export_items       = $params->{export_items};
  97     my $dont_export_fields = $params->{dont_export_fields};
  98     my $csv_profile_id     = $params->{csv_profile_id};
  99     my $output_filepath    = $params->{output_filepath};
 100
 101     if( !$record_type ) {
 102         Koha::Logger->get->warn( "No record_type given." );
 103         return;
 104     }
 105     return unless @$record_ids;
 106
 107     my $fh;
 108     if ( $output_filepath ) {
 109         open $fh, '>', $output_filepath or die "Cannot open file $output_filepath ($!)";
 110         select $fh;
 111         binmode $fh, ':encoding(UTF-8)' unless $format eq 'csv';
 112     } else {
 113         binmode STDOUT, ':encoding(UTF-8)' unless $format eq 'csv';
 114     }
 115
 116     if ( $format eq 'iso2709' ) {
 117         for my $record_id (@$record_ids) {
 118             my $record = _get_record_for_export( { %$params, record_id => $record_id } );
 119             my $errorcount_on_decode = eval { scalar( MARC::File::USMARC->decode( $record->as_usmarc )->warnings() ) };
 120             if ( $errorcount_on_decode or $@ ) {
 121                 my $msg = "Record $record_id could not be exported. " .
 122                     ( $@ // '' );
 123                 chomp $msg;
 124                 Koha::Logger->get->info( $msg );
 125                 next;
 126             }
 127             print $record->as_usmarc();
 128         }
 129     } elsif ( $format eq 'xml' ) {
 130         my $marcflavour = C4::Context->preference("marcflavour");
 131         MARC::File::XML->default_record_format( ( $marcflavour eq 'UNIMARC' && $record_type eq 'auths' ) ? 'UNIMARCAUTH' : $marcflavour );
 132
 133         print MARC::File::XML::header();
 134         print "\n";
 135         for my $record_id (@$record_ids) {
 136             my $record = _get_record_for_export( { %$params, record_id => $record_id } );
 137             if( !$record ) {
 138                 Koha::Logger->get->info( "Record $record_id could not be exported." );
 139                 next;
 140             }
 141             print MARC::File::XML::record($record);
 142             print "\n";
 143         }
 144         print MARC::File::XML::footer();
 145         print "\n";
 146     } elsif ( $format eq 'csv' ) {
 147         die 'There is no valid csv profile defined for this export'
 148             unless Koha::CsvProfiles->find( $csv_profile_id );
 149         print marc2csv( $record_ids, $csv_profile_id, $itemnumbers );
 150     }
 151
 152     close $fh if $output_filepath;
 153 }
 154
 155 1;
 156
 157 __END__
 158
 159 =head1 NAME
 160
 161 Koha::Exporter::Records - module to export records (biblios and authorities)
 162
 163 =head1 SYNOPSIS
 164
 165 This module provides a public subroutine to export records as xml, csv or iso2709.
 166
 167 =head2 FUNCTIONS
 168
 169 =head3 export
 170
 171     Koha::Exporter::Record::export($params);
 172
 173 $params is a hashref with some keys:
 174
 175 It will displays on STDOUT the generated file.
 176
 177 =over 4
 178
 179 =item record_type
 180
 181   Must be set to 'bibs' or 'auths'
 182
 183 =item record_ids
 184
 185   The list of the records to export (a list of biblionumber or authid)
 186
 187 =item format
 188
 189   The format must be 'csv', 'xml' or 'iso2709'.
 190
 191 =item itemnumbers
 192
 193   Generate the item infos only for these itemnumbers.
 194
 195   Must only be used with biblios.
 196
 197 =item export_items
 198
 199   If this flag is set, the items will be exported.
 200   Default is ON.
 201
 202 =item dont_export_fields
 203
 204   List of fields not to export.
 205
 206 =item csv_profile_id
 207
 208   If the format is csv, you have to define a csv_profile_id.
 209
 210 =cut
 211
 212 =back
 213
 214 =head1 LICENSE
 215
 216 This file is part of Koha.
 217
 218 Copyright Koha Development Team
 219
 220 Koha is free software; you can redistribute it and/or modify it
 221 under the terms of the GNU General Public License as published by
 222 the Free Software Foundation; either version 3 of the License, or
 223 (at your option) any later version.
 224
 225 Koha is distributed in the hope that it will be useful, but
 226 WITHOUT ANY WARRANTY; without even the implied warranty of
 227 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 228 GNU General Public License for more details.
 229
 230 You should have received a copy of the GNU General Public License
 231 along with Koha; if not, see <http://www.gnu.org/licenses>.