package Catmandu::Fix::lookup_in_store;
use Catmandu::Sane;
use Catmandu;
use Moo;
with 'Catmandu::Fix::Base';
has path => (is => 'ro', required => 1);
has store_name => (is => 'ro', required => 1);
has bag_name => (is => 'ro', required => 1);
has opts => (is => 'ro');
has bag => (is => 'ro', lazy => 1, builder => 1);
around BUILDARGS => sub {
my ($orig, $class, $store_name, $bag_name, %opts) = @_;
$orig->($class,
store_name => $store_name,
bag_name => $bag_name,
opts => \%opts,
);
};
sub _build_bag {
my ($self) = @_;
my %opts = %{$self->opts};
delete $opts{'-delete'};
delete $opts{'-default'};
for my $key (keys %opts) {
my $val = delete $opts{$key};
$key =~ s/^-//;
$opts{$key} = $val;
}
Catmandu->store($self->store_name, %opts)->bag($self->bag_name);
}
sub emit {
my ($self, $fixer) = @_;
my $path = $fixer->split_path($self->path);
my $key = pop @$path;
my $bag_var = $fixer->capture($self->bag);
my $delete = $self->opts->{'-delete'};
my $default = $self->opts->{'-default'};
$fixer->emit_walk_path($fixer->var, $path, sub {
my $var = shift;
$fixer->emit_get_key($var, $key, sub {
my $val_var = shift;
my $bag_val_var = $fixer->generate_var;
my $perl = "my ${bag_val_var} = ${bag_var}->get(${val_var});" .
"if (is_value(${val_var}) && is_value(${bag_val_var})) {" .
"${val_var} = ${bag_val_var};" .
"}";
if ($delete) {
$perl .= "else {" .
$fixer->emit_delete_key($var, $key) .
"}";
} elsif (defined $default) {
$perl .= "else {" .
$fixer->emit_set_key($var, $key, $fixer->emit_value($default)) .
"}";
}
$perl;
});
});
}
=head1 NAME
Catmandu::Fix::lookup_in_store - change the value of a HASH key or ARRAY index by looking up it's value in a store
=head1 SYNOPSIS
lookup_in_store('foo.bar', 'MongoDB', 'bars', '-database_name', 'lookups');
lookup_in_store('foo.bar', 'store_name', 'bag_name', '-default', 'default value');
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
1;