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package WebPAC::Input::Koha; |
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|
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use warnings; |
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use strict; |
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|
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use DBI; |
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use MARC::Fast; |
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use base qw/WebPAC::Common/; |
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use Carp qw/confess/; |
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use Data::Dump qw/dump/; |
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|
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=head1 NAME |
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|
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WebPAC::Input::Koha - read MARC records from Koha |
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|
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=cut |
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|
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our $VERSION = '0.03'; |
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|
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=head1 FUNCTIONS |
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|
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=head2 new |
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|
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my $input = new WebPAC::Input::Koha( |
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dsn => $ENV{KOHA_DSN}, # 'dbi:mysql:database=koha;host=koha.example.com', |
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user => $ENV{KOHA_USER}, |
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passwd => $ENV{KOHA_PASSWD}, |
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} |
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|
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=cut |
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|
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sub new { |
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my $class = shift; |
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my $self = {@_}; |
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bless($self, $class); |
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|
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my $arg = {@_}; |
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|
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my $log = $self->_get_logger(); |
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$log->debug( 'arg = ', dump($arg) ); |
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|
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if ( -e $arg->{path} ) { |
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$log->info("Koha marc dump ", $arg->{path}, " exists"); |
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$self->{_koha_size} = 0; |
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} else { |
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|
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$arg->{dsn} ||= $ENV{KOHA_DSN}; |
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$arg->{user} ||= $ENV{KOHA_USER}; |
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$arg->{passwd} ||= $ENV{KOHA_PASSWD}; |
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$arg->{sql} ||= 'select biblionumber, marc from biblioitems order by biblionumber asc'; |
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$arg->{sql} .= ' limit ' . $arg->{limit} if $arg->{limit}; |
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$arg->{sql} .= ' offset ' . $arg->{offset} if $arg->{offset}; |
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|
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$log->info("opening Koha database '$arg->{dsn}'"); |
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|
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$self->{_dbh} = DBI->connect( $arg->{dsn}, $arg->{user}, $arg->{passwd}, { |
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RaiseError => 1, |
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#mysql_enable_utf8 => 1, # not really needed |
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} ); |
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$self->{_sth} = $self->{_dbh}->prepare( $arg->{sql} ); |
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$self->{_sth}->execute; |
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$self->{_koha_size} = $self->{_sth}->rows; |
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|
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warn "got ", $self->{_koha_size}, " rows for ", $arg->{sql}; |
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|
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open( $self->{_koha_fh}, '>', $arg->{path} ) || die "can't create $arg->{path}: $!"; |
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|
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} |
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|
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$self ? return $self : return undef; |
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} |
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|
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=head2 fetch_rec |
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|
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Return record with ID C<$mfn> from database |
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|
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my $rec = $input->fetch_rec( $mfn ); |
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|
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=cut |
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|
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sub fetch_rec { |
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my $self = shift; |
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|
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my $mfn = shift; |
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|
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my $row = $self->{_sth}->fetchrow_hashref; |
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|
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sub _error { |
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my ( $mfn, $error, $row ) = @_; |
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$self->_get_logger()->error( "MFN $mfn $error ", dump($row) ); |
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} |
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|
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if ( my $fh = $self->{_koha_fh} ) { |
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if ( my $marc = $row->{marc} ) { |
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if ( length($marc) != substr( $marc, 0, 5 ) ) { |
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_error $mfn => "wrong length " . length($marc), $row; |
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} elsif ( $marc !~ /\x1E\x1D$/ ) { |
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_error $mfn => "wrong end", $row; |
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} else { |
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print $fh $marc; |
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} |
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} else { |
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_error $mfn => "no marc",$row; |
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} |
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} |
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|
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push @{$row->{'000'}}, $mfn; |
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return $row; |
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} |
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|
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=head2 size |
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Return number of records in database |
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|
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my $size = $isis->size; |
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|
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=cut |
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|
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sub size { |
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my $self = shift; |
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return $self->{_koha_size} + $self->{offset}; |
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} |
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|
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=head1 AUTHOR |
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|
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Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
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=head1 COPYRIGHT & LICENSE |
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|
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Copyright 2009 Dobrica Pavlinusic, All Rights Reserved. |
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|
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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|
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=cut |
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|
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1; |
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