######################################################################
#
# EPrints::MetaField::Float;
#
######################################################################
#
#
######################################################################

=pod

=head1 NAME

B<EPrints::MetaField::Float> - no description

=head1 DESCRIPTION

not done

=over 4

=cut

package EPrints::MetaField::Float;

use strict;
use warnings;

BEGIN
{
	our( @ISA );

	@ISA = qw( EPrints::MetaField::Int );
}

use EPrints::MetaField::Int;

# does not yet support searching.

sub get_sql_type
{
	my( $self, $session ) = @_;

	return $session->get_database->get_column_type(
		$self->get_sql_name(),
		EPrints::Database::SQL_REAL,
		!$self->get_property( "allow_null" ),
		undef,
		undef,
		$self->get_sql_properties,
	);
}

sub ordervalue_basic
{
	my( $self , $value ) = @_;

	unless( EPrints::Utils::is_set( $value ) )
	{
		return "";
	}

	return sprintf( "%020f", $value );
}

sub get_property_defaults
{
	my( $self ) = @_;
	my %defaults = $self->SUPER::get_property_defaults;
	$defaults{text_index} = 0;
	$defaults{regexp} = qr/-?[0-9]+(\.[0-9]+)?/;
	return %defaults;
}

sub get_xml_schema_type
{
	return "xs:double";
}

sub render_xml_schema_type
{
	my( $self, $session ) = @_;

	return $session->make_doc_fragment;
}

sub get_search_conditions_not_ex
{
	my( $self, $session, $dataset, $search_value, $match, $merge, $search_mode ) = @_;

	my $number = '[0-9]+\.?[0-9]*';
	if( $search_value =~ m/^$number$/ )
	{
		my @r = ();
		push @r, EPrints::Search::Condition->new(
			'>=',
			$dataset,
			$self,
			$search_value - 0.00001);
		push @r, EPrints::Search::Condition->new(
			'<=',
			$dataset,
			$self,
			$search_value + 0.00001);
		return EPrints::Search::Condition->new( "AND", @r );
	}

	return $self->SUPER::get_search_conditions_not_ex( $session, $dataset, $search_value, $match, $merge, $search_mode );
}

######################################################################
1;

=head1 COPYRIGHT

=for COPYRIGHT BEGIN

Copyright 2022 University of Southampton.
EPrints 3.4 is supplied by EPrints Services.

http://www.eprints.org/eprints-3.4/

=for COPYRIGHT END

=for LICENSE BEGIN

This file is part of EPrints 3.4 L<http://www.eprints.org/>.

EPrints 3.4 and this file are released under the terms of the
GNU Lesser General Public License version 3 as published by
the Free Software Foundation unless otherwise stated.

EPrints 3.4 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with EPrints 3.4.
If not, see L<http://www.gnu.org/licenses/>.

=for LICENSE END