File Coverage

blib/lib/DBIx/Class/Schema/Diff/InfoPacket.pm

Criterion	Covered	Total	%
statement	12	13	92.3
branch			n/a
condition			n/a
subroutine	4	5	80.0
pod			n/a
total	16	18	88.8

package DBIx::Class::Schema::Diff::InfoPacket;
use strict;
use warnings;

use Moo;
with 'DBIx::Class::Schema::Diff::Role::Common';

use Types::Standard qw(:all);

has 'name', required => 1, is => 'ro', isa => Str;
has 'old_info', required => 1, is => 'ro', isa => Maybe[HashRef];
has 'new_info', required => 1, is => 'ro', isa => Maybe[HashRef];

has '_source_diff', required => 1, is => 'ro', isa => InstanceOf[
  'DBIx::Class::Schema::Diff::Source'
];

has 'added', is => 'ro', lazy => 1, default => sub {
  my $self = shift;
  defined $self->new_info && ! defined $self->old_info
}, init_arg => undef, isa => Bool;

has 'deleted', is => 'ro', lazy => 1, default => sub {
  my $self = shift;
  defined $self->old_info && ! defined $self->new_info
}, init_arg => undef, isa => Bool;


has 'diff', is => 'ro', lazy => 1, default => sub {
  my $self = shift;

  # There is no reason to diff in the case of added/deleted:
  return { _event => 'added'   } if ($self->added);
  return { _event => 'deleted' } if ($self->deleted);

  my ($o,$n) = ($self->old_info,$self->new_info);
  my $diff = $self->_info_diff($o,$n) or return undef;

  return { _event => 'changed', diff => $diff };

}, init_arg => undef, isa => Maybe[HashRef];


sub _schema_diff { (shift)->_source_diff->_schema_diff }

1;

__END__