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# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Everything Solved, Inc.
# Portions created by the Initial Developer are Copyright (C) 2008
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Max Kanat-Alexander <mkanat@bugzilla.org>
package Bugzilla::WebService::Util;
use strict;
use base qw(Exporter);
our @EXPORT_OK = qw(filter);
sub filter ($$) {
my ($params, $hash) = @_;
my %newhash = %$hash;
my %include = map { $_ => 1 } @{ $params->{'include_fields'} || [] };
my %exclude = map { $_ => 1 } @{ $params->{'exclude_fields'} || [] };
foreach my $key (keys %$hash) {
if (defined $params->{include_fields}) {
delete $newhash{$key} if !$include{$key};
}
if (defined $params->{exclude_fields}) {
delete $newhash{$key} if $exclude{$key};
}
}
return \%newhash;
}
__END__
=head1 NAME
Bugzilla::WebService::Util - Utility functions used inside of the WebService
code. These are B<not> functions that can be called via the WebService.
=head1 DESCRIPTION
This is somewhat like L<Bugzilla::Util>, but these functions are only used
internally in the WebService code.
=head1 SYNOPSIS
filter({ include_fields => ['id', 'name'],
exclude_fields => ['name'] }, $hash);
=head1 METHODS
=over
=item C<filter_fields>
This helps implement the C<include_fields> and C<exclude_fields> arguments
of WebService methods. Given a hash (the second argument to this subroutine),
this will remove any keys that are I<not> in C<include_fields> and then remove
any keys that I<are> in C<exclude_fields>.
=back
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