lib/Frey/Storage.pm

package Frey::Storage;
use Moose::Role;

with 'Frey::Path';

#use YAML::Syck; # XXX doesn't play nice with Continuity
use YAML qw/LoadFile DumpFile/;

=head2 store

  $o->store( 'filename.yml', $data );

=cut

has 'storage_timestamp' => (
        is => 'rw',
        isa => 'HashRef[Int]',
        default => sub { {} },
);

sub store {
        my $self = shift;
        my ( $filename, $data ) = @_;
        $filename .= '.yml' unless $filename =~ m{\.ya?ml$}i;
        $self->mkbasepath( $filename );
        DumpFile( $filename, $data );
        warn "created $filename ", -s $filename;
}

=head2 load

  $data = $o->load( 'filename.yml' );

=cut

sub load {
        my ( $self, $filename ) = @_;
        $filename .= '.yml';
        return if ! -e $filename;
        $self->storage_timestamp->{ $filename } = _path_time( $filename );
        LoadFile( $filename );
}

=head2 reload

Reload file if on-disk copy have changed

  my $new_data = $o->reload( 'filename.yml' );

=cut

sub _path_time {
        (stat( $_[0] ))[9]; # mtime
}

sub reload {
        my ( $self, $filename ) = @_;
        my $path = $filename . '.yml';
        return if defined $self->storage_timestamp->{ $path } && $self->storage_timestamp->{ $path } == _path_time( $path );
        warn "# reload $filename" if $self->debug;
        $self->load( $filename );
}

1;
1	dpavlin	151	package Frey::Storage;
2			use Moose::Role;
3
4	dpavlin	224	with 'Frey::Path';
5
6	dpavlin	153	#use YAML::Syck; # XXX doesn't play nice with Continuity
7			use YAML qw/LoadFile DumpFile/;
8	dpavlin	151
9			=head2 store
10
11			$o->store( 'filename.yml', $data );
12
13			=cut
14
15			has 'storage_timestamp' => (
16			is => 'rw',
17			isa => 'HashRef[Int]',
18			default => sub { {} },
19			);
20
21			sub store {
22			my $self = shift;
23			my ( $filename, $data ) = @_;
24	dpavlin	294	$filename .= '.yml' unless $filename =~ m{\.ya?ml$}i;
25	dpavlin	224	$self->mkbasepath( $filename );
26	dpavlin	151	DumpFile( $filename, $data );
27	dpavlin	294	warn "created $filename ", -s $filename;
28	dpavlin	151	}
29
30			=head2 load
31
32			$data = $o->load( 'filename.yml' );
33
34			=cut
35
36			sub load {
37			my ( $self, $filename ) = @_;
38			$filename .= '.yml';
39	dpavlin	153	return if ! -e $filename;
40	dpavlin	151	$self->storage_timestamp->{ $filename } = _path_time( $filename );
41			LoadFile( $filename );
42			}
43
44			=head2 reload
45
46			Reload file if on-disk copy have changed
47
48	dpavlin	153	my $new_data = $o->reload( 'filename.yml' );
49	dpavlin	151
50			=cut
51
52			sub _path_time {
53			(stat( $_[0] ))[9]; # mtime
54			}
55
56			sub reload {
57	dpavlin	153	my ( $self, $filename ) = @_;
58	dpavlin	151	my $path = $filename . '.yml';
59	dpavlin	170	return if defined $self->storage_timestamp->{ $path } && $self->storage_timestamp->{ $path } == _path_time( $path );
60	dpavlin	151	warn "# reload $filename" if $self->debug;
61	dpavlin	153	$self->load( $filename );
62	dpavlin	151	}
63	dpavlin	153
64	dpavlin	151	1;