WebPAC/Output/JSON.pm

package WebPAC::Output::JSON;

use warnings;
use strict;

use base qw/WebPAC::Common WebPAC::Output Class::Accessor/;
__PACKAGE__->mk_accessors(qw(path));

use Data::Dump qw/dump/;
use JSON;
use File::Slurp;
use autodie;

=head1 NAME

WebPAC::Output::JSON - Create JSON output

=head1 VERSION

Version 0.00

=cut

our $VERSION = '0.00';

=head1 SYNOPSIS

Create JSON output for export into other sistems

=head1 FUNCTIONS

=head2 new

 my $out = new WebPAC::Output::JSON({
        path => '/path/to/file.js',
 });

Options are:

=over 4

=item path

path to JSON file

=back

=head2 init

  $out->init;

=cut

sub init {
        my $self = shift;
        my $log = $self->_get_logger;

        $log->debug('init');

        $self->{_data} = [];

        return 1;
}


=head2 add

Adds one entry to database.

  $out->add( 42, $ds );

=cut

sub add {
        my $self = shift;

        my ( $id, $ds ) = @_;

        my $log = $self->_get_logger;
        $log->logdie("need id") unless defined $id;
        $log->logdie("need ds") unless $ds;

        $log->debug("id: $id ds = ",sub { dump($ds) });

        push @{ $self->{_data} }, $self->ds_to_hash( $ds, 'display' );

        return 1;
}

=head2 finish

 $out->finish;

=cut

sub finish {
        my $self = shift;

        my $log = $self->_get_logger();

        if ( @{ $self->{_data} } ) {

                use bytes;

                open(my $fh, '>', $self->path);
                print $fh to_json( { items => $self->{_data} } );
                close $fh;

                $log->info("wrote JSON to ", $self->path, ' ', -s $self->path, ' bytes');

        } else {
                $log->error("no data for JSON generated - remove this output?");
        }

}

=head1 AUTHOR

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

=head1 COPYRIGHT & LICENSE

Copyright 2007 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; # End of WebPAC::Output::JSON
1	package WebPAC::Output::JSON;
2
3	use warnings;
4	use strict;
5
6	use base qw/WebPAC::Common WebPAC::Output Class::Accessor/;
7	__PACKAGE__->mk_accessors(qw(path));
8
9	use Data::Dump qw/dump/;
10	use JSON;
11	use File::Slurp;
12	use autodie;
13
14	=head1 NAME
15
16	WebPAC::Output::JSON - Create JSON output
17
18	=head1 VERSION
19
20	Version 0.00
21
22	=cut
23
24	our $VERSION = '0.00';
25
26	=head1 SYNOPSIS
27
28	Create JSON output for export into other sistems
29
30	=head1 FUNCTIONS
31
32	=head2 new
33
34	my $out = new WebPAC::Output::JSON({
35	path => '/path/to/file.js',
36	});
37
38	Options are:
39
40	=over 4
41
42	=item path
43
44	path to JSON file
45
46	=back
47
48	=head2 init
49
50	$out->init;
51
52	=cut
53
54	sub init {
55	my $self = shift;
56	my $log = $self->_get_logger;
57
58	$log->debug('init');
59
60	$self->{_data} = [];
61
62	return 1;
63	}
64
65
66	=head2 add
67
68	Adds one entry to database.
69
70	$out->add( 42, $ds );
71
72	=cut
73
74	sub add {
75	my $self = shift;
76
77	my ( $id, $ds ) = @_;
78
79	my $log = $self->_get_logger;
80	$log->logdie("need id") unless defined $id;
81	$log->logdie("need ds") unless $ds;
82
83	$log->debug("id: $id ds = ",sub { dump($ds) });
84
85	push @{ $self->{_data} }, $self->ds_to_hash( $ds, 'display' );
86
87	return 1;
88	}
89
90	=head2 finish
91
92	$out->finish;
93
94	=cut
95
96	sub finish {
97	my $self = shift;
98
99	my $log = $self->_get_logger();
100
101	if ( @{ $self->{_data} } ) {
102
103	use bytes;
104
105	open(my $fh, '>', $self->path);
106	print $fh to_json( { items => $self->{_data} } );
107	close $fh;
108
109	$log->info("wrote JSON to ", $self->path, ' ', -s $self->path, ' bytes');
110
111	} else {
112	$log->error("no data for JSON generated - remove this output?");
113	}
114
115	}
116
117	=head1 AUTHOR
118
119	Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
120
121	=head1 COPYRIGHT & LICENSE
122
123	Copyright 2007 Dobrica Pavlinusic, All Rights Reserved.
124
125	This program is free software; you can redistribute it and/or modify it
126	under the same terms as Perl itself.
127
128	=cut
129
130	1; # End of WebPAC::Output::JSON