WebPAC/Input/Koha.pm

package WebPAC::Input::Koha;

use warnings;
use strict;

use DBI;
use MARC::Fast;
use base qw/WebPAC::Common/;
use Carp qw/confess/;
use Data::Dump qw/dump/;

=head1 NAME

WebPAC::Input::Koha - read MARC records from Koha

=cut

our $VERSION = '0.02';

=head1 FUNCTIONS

=head2 new

  my $input = new WebPAC::Input::Koha(
        dsn    => 'dbi:mysql:database=koha',
        user   => $ENV{KOHA_USER},
        passwd => $ENV{KOHA_PASSWD},
  }

=cut

sub new {
        my $class = shift;
        my $self = {@_};
        bless($self, $class);

        my $arg = {@_};

        my $log = $self->_get_logger();
        $log->debug( 'arg = ', dump($arg) );

        if ( -e $arg->{path} ) {
                $log->info("Koha marc dump ", $arg->{path}, " exists");
                $self->{_koha_size} = 0;
        } else {

                $arg->{dsn}    ||= 'dbi:mysql:database=koha';
                $arg->{user}   ||= $ENV{KOHA_USER};
                $arg->{passwd} ||= $ENV{KOHA_PASSWD},
                $arg->{sql}    ||= 'select biblionumber as mfn, marc from biblioitems';
                $arg->{sql}    .= ' limit ' . $arg->{limit} if $arg->{limit};
                $arg->{sql}    .= ' offset ' . $arg->{offset} if $arg->{offset};

                $log->info("opening Koha database '$arg->{dsn}'");

                $self->{_dbh} = DBI->connect( $arg->{dsn}, $arg->{user}, $arg->{passwd}, { RaiseError => 1 } );
                $self->{_sth} = $self->{_dbh}->prepare( $arg->{sql} );
                $self->{_sth}->execute;
                $self->{_koha_size} = $self->{_sth}->rows;

                warn "got ", $self->{_koha_size}, " rows for ", $arg->{sql};

                open( $self->{_koha_fh}, '>', $arg->{path} ) || die "can't create $arg->{path}: $!";

        }

        $self ? return $self : return undef;
}

=head2 fetch_rec

Return record with ID C<$mfn> from database

  my $rec = $input->fetch_rec( $mfn );

=cut

sub fetch_rec {
        my $self = shift;

        my $mfn = shift;

        my $row = $self->{_sth}->fetchrow_hashref;

        if ( my $fh = $self->{_koha_fh} ) {
                if ( my $marc = $row->{marc} ) {
                        print $fh $marc;
                } else {
                        warn "MFN $mfn no marc in ",dump($row);
                }
        }

        push @{$row->{'000'}}, $mfn;
        return $row;
}

=head2 size

Return number of records in database

  my $size = $isis->size;

=cut

sub size {
        my $self = shift;
        return $self->{_koha_size} + $self->{offset};
}


=head1 AUTHOR

Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>

=head1 COPYRIGHT & LICENSE

Copyright 2009 Dobrica Pavlinusic, All Rights Reserved.

This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.

=cut

1;
1	dpavlin	1231	package WebPAC::Input::Koha;
2
3			use warnings;
4			use strict;
5
6			use DBI;
7			use MARC::Fast;
8			use base qw/WebPAC::Common/;
9			use Carp qw/confess/;
10	dpavlin	1232	use Data::Dump qw/dump/;
11	dpavlin	1231
12			=head1 NAME
13
14			WebPAC::Input::Koha - read MARC records from Koha
15
16			=cut
17
18	dpavlin	1325	our $VERSION = '0.02';
19	dpavlin	1231
20			=head1 FUNCTIONS
21
22			=head2 new
23
24			my $input = new WebPAC::Input::Koha(
25	dpavlin	1325	dsn => 'dbi:mysql:database=koha',
26			user => $ENV{KOHA_USER},
27			passwd => $ENV{KOHA_PASSWD},
28	dpavlin	1231	}
29
30			=cut
31
32			sub new {
33			my $class = shift;
34			my $self = {@_};
35			bless($self, $class);
36
37			my $arg = {@_};
38
39			my $log = $self->_get_logger();
40	dpavlin	1325	$log->debug( 'arg = ', dump($arg) );
41	dpavlin	1231
42	dpavlin	1234	if ( -e $arg->{path} ) {
43			$log->info("Koha marc dump ", $arg->{path}, " exists");
44			$self->{_koha_size} = 0;
45			} else {
46	dpavlin	1231
47	dpavlin	1276	$arg->{dsn} \|\|= 'dbi:mysql:database=koha';
48			$arg->{user} \|\|= $ENV{KOHA_USER};
49			$arg->{passwd} \|\|= $ENV{KOHA_PASSWD},
50	dpavlin	1325	$arg->{sql} \|\|= 'select biblionumber as mfn, marc from biblioitems';
51			$arg->{sql} .= ' limit ' . $arg->{limit} if $arg->{limit};
52			$arg->{sql} .= ' offset ' . $arg->{offset} if $arg->{offset};
53	dpavlin	1276
54	dpavlin	1234	$log->info("opening Koha database '$arg->{dsn}'");
55	dpavlin	1231
56	dpavlin	1234	$self->{_dbh} = DBI->connect( $arg->{dsn}, $arg->{user}, $arg->{passwd}, { RaiseError => 1 } );
57			$self->{_sth} = $self->{_dbh}->prepare( $arg->{sql} );
58			$self->{_sth}->execute;
59			$self->{_koha_size} = $self->{_sth}->rows;
60	dpavlin	1231
61	dpavlin	1234	warn "got ", $self->{_koha_size}, " rows for ", $arg->{sql};
62	dpavlin	1231
63	dpavlin	1234	open( $self->{_koha_fh}, '>', $arg->{path} ) \|\| die "can't create $arg->{path}: $!";
64
65			}
66
67	dpavlin	1231	$self ? return $self : return undef;
68			}
69
70			=head2 fetch_rec
71
72			Return record with ID C<$mfn> from database
73
74			my $rec = $input->fetch_rec( $mfn );
75
76			=cut
77
78			sub fetch_rec {
79			my $self = shift;
80
81			my $mfn = shift;
82
83			my $row = $self->{_sth}->fetchrow_hashref;
84
85			if ( my $fh = $self->{_koha_fh} ) {
86	dpavlin	1232	if ( my $marc = $row->{marc} ) {
87			print $fh $marc;
88			} else {
89			warn "MFN $mfn no marc in ",dump($row);
90			}
91	dpavlin	1231	}
92
93			push @{$row->{'000'}}, $mfn;
94			return $row;
95			}
96
97			=head2 size
98
99			Return number of records in database
100
101			my $size = $isis->size;
102
103			=cut
104
105			sub size {
106			my $self = shift;
107	dpavlin	1325	return $self->{_koha_size} + $self->{offset};
108	dpavlin	1231	}
109
110
111			=head1 AUTHOR
112
113			Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
114
115			=head1 COPYRIGHT & LICENSE
116
117			Copyright 2009 Dobrica Pavlinusic, All Rights Reserved.
118
119			This program is free software; you can redistribute it and/or modify it
120			under the same terms as Perl itself.
121
122			=cut
123
124			1;