File Coverage

blib/lib/App/NDTools/NDProc/Module/JsonMergePatch.pm

Criterion	Covered	Total	%
statement	37	37	100.0
branch	8	8	100.0
condition			n/a
subroutine	11	11	100.0
pod	0	5	0.0
total	56	61	91.8

package App::NDTools::NDProc::Module::JsonMergePatch;

use strict;
use warnings FATAL => 'all';
use parent 'App::NDTools::NDProc::Module';

use Log::Log4Cli;
use Struct::Diff::MergePatch qw(patch);
use Struct::Path 0.80 qw(path);

our $VERSION = '0.02';

sub MODINFO { "Apply JSON Merge Patch (rfc7396) patches" }

sub arg_opts {
    my $self = shift;

    return (
        $self->SUPER::arg_opts(),
        'source=s'  => \$self->{OPTS}->{source},
        'strict!'   => \$self->{OPTS}->{strict},
    )
}

sub check_rule {
    my ($self, $rule) = @_;

    die_fatal "Source file should be specified", 1
        unless ($rule->{source});

    push @{$rule->{path}}, '' unless (@{$rule->{path}});

    return $self;
}

sub configure {
    my $self = shift;

    # to prevent source resolve to target (ndproc defaults)
    delete $self->{OPTS}->{source}
        unless (defined $self->{OPTS}->{source});
}

sub process_path {
    my ($self, $data, $path, $spath, $opts, $source) = @_;

    my @refs = eval { path(${$data}, $spath, strict => $opts->{strict}) };
    die_fatal "Failed to lookup path '$path'", 4 if ($@);

    map { patch(${$_}, $source) } @refs;
}

1; # End of App::NDTools::NDProc::Module::JsonMergePatch

__END__