package NGCP::Schema::Result::billing_mappings_actual;
use Scalar::Util qw(blessed);
use base qw/DBIx::Class::Core/;

our $VERSION = '2.007';

__PACKAGE__->load_components(
  "InflateColumn::DateTime",
  "Helper::Row::ToJSON",
  "+NGCP::Schema::InflateColumn::DateTime::EpochMicro",
);
__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
__PACKAGE__->table("billing_mappings_actual");


__PACKAGE__->add_columns(
  "actual_bm_id",
  {
    data_type => "integer",
    extra => { unsigned => 1 },
    is_auto_increment => 1,
    is_nullable => 0,
  },
  "contract_id",
  {
    data_type => "integer",
    extra => { unsigned => 1 },
    is_foreign_key => 1,
    is_nullable => 0,
  },
);
__PACKAGE__->belongs_to(
  "contract",
  "NGCP::Schema::Result::contracts",
  { id => "contract_id" },
  { is_deferrable => 1, on_delete => "CASCADE", on_update => "CASCADE" },
);

__PACKAGE__->has_many(
  "billing_mappings",
  "NGCP::Schema::Result::billing_mappings",
  { "foreign.id" => "self.actual_bm_id" },
  { cascade_copy => 0, cascade_delete => 0 },
);

__PACKAGE__->set_primary_key("actual_bm_id");

sub TO_JSON {
    my ($self) = @_;
    return {
        map { blessed($_) && $_->isa('DateTime') ? $_->datetime : $_ } %{ $self->next::method }
    };
}

__PACKAGE__->result_source_instance->is_virtual(1);

__PACKAGE__->result_source_instance->view_definition("
select bm.contract_id,max(bm.id) as actual_bm_id from billing.billing_mappings bm 
    inner join 
        (select bmm.contract_id, max(bmm.start_date) max_start_date 
        from billing.billing_mappings bmm 
        where ( bmm.`end_date` >= ? OR bmm.`end_date` IS NULL ) 
        AND ( bmm.`start_date` <= ? OR bmm.`start_date` IS NULL ) 
        group by bmm.contract_id
    ) bmm on bm.contract_id=bmm.contract_id and (bm.start_date=bmm.max_start_date or (bmm.max_start_date is null and bm.start_date is null)) 
group by  bm.contract_id
");

1;