Koha/Authority.pm

   1 package Koha::Authority;
   2
   3 # Copyright 2015 Koha Development Team
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 3 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 use Modern::Perl;
  21
  22 use Carp;
  23
  24 use Koha::Database;
  25 use C4::Context;
  26 use MARC::Record;
  27
  28 use base qw(Koha::Object);
  29
  30 =head1 NAME
  31
  32 Koha::Authority - Koha Authority Object class
  33
  34 =head1 API
  35
  36 =head2 Class Methods
  37
  38 =cut
  39
  40 =head3 type
  41
  42 =cut
  43
  44 sub _type {
  45     return 'AuthHeader';
  46 }
  47
  48 =head2 get_all_authorities_iterator
  49
  50     my $it = Koha::Authority->get_all_authorities_iterator();
  51
  52 This will provide an iterator object that will, one by one, provide the
  53 Koha::Authority of each authority.
  54
  55 The iterator is a Koha::MetadataIterator object.
  56
  57 =cut
  58
  59 sub get_all_authorities_iterator {
  60     my $database = Koha::Database->new();
  61     my $schema   = $database->schema();
  62     my $rs =
  63       $schema->resultset('AuthHeader')->search( { marcxml => { '!=', undef } },
  64         { columns => [qw/ authid authtypecode marcxml /] } );
  65     my $next_func = sub {
  66         my $row = $rs->next();
  67         return undef if !$row;
  68         my $authid       = $row->authid;
  69         my $authtypecode = $row->authtypecode;
  70         my $marcxml      = $row->marcxml;
  71
  72         my $record = eval {
  73             MARC::Record->new_from_xml(
  74                 StripNonXmlChars($marcxml),
  75                 'UTF-8',
  76                 (
  77                     C4::Context->preference("marcflavour") eq "UNIMARC"
  78                     ? "UNIMARCAUTH"
  79                     : C4::Context->preference("marcflavour")
  80                 )
  81             );
  82         };
  83         confess $@ if ($@);
  84         $record->encoding('UTF-8');
  85
  86         # I'm not sure why we don't use the authtypecode from the database,
  87         # but this is how the original code does it.
  88         require C4::AuthoritiesMarc;
  89         $authtypecode = C4::AuthoritiesMarc::GuessAuthTypeCode($record);
  90
  91         my $auth = __PACKAGE__->new( $record, $authid, $authtypecode );
  92
  93         return $auth;
  94       };
  95       return Koha::MetadataIterator->new($next_func);
  96 }
  97
  98 1;