%# BEGIN BPS TAGGED BLOCK {{{
%#
%# COPYRIGHT:
%#
%# This software is Copyright (c) 1996-2015 Best Practical Solutions, LLC
%#                                          <sales@bestpractical.com>
%#
%# (Except where explicitly superseded by other copyright notices)
%#
%#
%# LICENSE:
%#
%# This work is made available to you under the terms of Version 2 of
%# the GNU General Public License. A copy of that license should have
%# been provided with this software, but in any event can be snarfed
%# from www.gnu.org.
%#
%# This work 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
%# General Public License for more details.
%#
%# You should have received a copy of the GNU General Public License
%# along with this program; if not, write to the Free Software
%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
%# 02110-1301 or visit their web page on the internet at
%# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
%#
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%# CONTRIBUTION SUBMISSION POLICY:
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%# (The following paragraph is not intended to limit the rights granted
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%# END BPS TAGGED BLOCK }}}
% $r->content_type('application/json');
<% JSON( \@suggestions ) |n %>
% $m->abort;
<%ARGS>
$term => undef
$max => 10
$exclude => ''
$op => 'LIKE'
</%ARGS>
<%INIT>
$m->abort unless defined $term
             and length $term;

my $CurrentUser = $session{'CurrentUser'};

# Require privileged users
$m->abort unless $CurrentUser->Privileged;

# Sanity check the operator
$op = 'LIKE' unless $op =~ /^(?:LIKE|(?:START|END)SWITH|=|!=)$/i;

my $groups = RT::Groups->new( $CurrentUser );
$groups->RowsPerPage( $max );
$groups->LimitToUserDefinedGroups();
$groups->Limit(
    FIELD           => 'Name',
    OPERATOR        => $op,
    VALUE           => $term,
);

# Exclude groups we don't want
foreach (split /\s*,\s*/, $exclude) {
    $groups->Limit(FIELD => 'id', VALUE => $_, OPERATOR => '!=', ENTRYAGGREGATOR => 'AND');
}

my @suggestions;

while ( my $group = $groups->Next ) {
    push @suggestions, { label => $group->Name, value => $group->Name, id => $group->id };
}
</%INIT>