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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.
package Bugzilla::Elastic;
use 5.10.1;
use Moo;

use Bugzilla::Elastic::Search;
use Bugzilla::Util qw(trick_taint);

with 'Bugzilla::Elastic::Role::HasClient';

sub suggest_users {
  my ($self, $text) = @_;

  unless (Bugzilla->params->{elasticsearch}) {

    # optimization: faster than a regular method call.
    goto &_suggest_users_fallback;
  }

  my $field = 'suggest_user';
  if ($text =~ /^:(.+)$/) {
    $text  = $1;
    $field = 'suggest_nick';
  }

  my $result = eval {
    $self->client->suggest(
      index => Bugzilla::User->ES_INDEX,
      body =>
        {$field => {text => $text, completion => {field => $field, size => 25},}}
    );
  };
  if (defined $result) {
    return [map { $_->{payload} } @{$result->{$field}[0]{options}}];
  }
  else {
    warn "suggest_users error: $@";

    # optimization: faster than a regular method call.
    goto &_suggest_users_fallback;
  }
}

sub _suggest_users_fallback {
  my ($self, $text) = @_;
  my $users = Bugzilla::User::match($text, 25, 1);
  return [map { {real_name => $_->name, name => $_->login} } @$users];
}

1;