File Coverage

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

Criterion	Covered	Total	%
statement	42	42	100.0
branch	10	10	100.0
condition			n/a
subroutine	12	12	100.0
pod	0	5	0.0
total	64	69	92.7

package App::NDTools::NDProc::Module::JsonPatch;

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

use App::NDTools::Util qw(chomp_evaled_error);
use JSON::Patch 0.04 qw(patch);
use Log::Log4Cli;
use Struct::Path 0.80 qw(path);

our $VERSION = '0.02';

sub MODINFO { "Apply JSON Patch (rfc6902) 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 ($@);

    for (@refs) {
        eval { patch(${$_}, $source) };
        die_fatal chomp_evaled_error($@), 8 if ($@);
    }
}

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

__END__