# Copyright 2002-2007 Interchange Development Group and others
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.  See the LICENSE file for details.

UserTag assign              addAttr
UserTag assign              PosNumber    0
UserTag assign              Version      1.5
UserTag assign              Routine      <<EOR
my %_assignable = (qw/
				salestax	1
				shipping	1
				handling	1
				subtotal	1
				credit		1	
				/);
sub {
	my ($opt) = @_;
	if($opt->{clear}) {
		delete $Vend::Session->{assigned};
		return;
	}
	$Vend::Session->{assigned} ||= {};
	for(keys %$opt) {
		next unless $_assignable{$_};
		my $value = $opt->{$_};
		$value =~ s/^\s+//;
		$value =~ s/\s+$//;
		if($value =~ /^-?\d+\.?\d*$/) {
			$Vend::Session->{assigned}{$_} = $value;
		}
		else {
            if ($value) {
    			logError(
	    			"Attempted assign of non-numeric '%s' to %s. Deleted.",
		    		$value,
			    	$_,
			    );
            }
			delete $Vend::Session->{assigned}{$_};
		}
	}
	return;
}
EOR