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1<?php
2
3/**
4 * "Get Autocomplete Suggestions" AJAX handler
5 *
6 * PHP version 8
7 *
8 * Copyright (C) Villanova University 2018.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2,
12 * as published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 *
23 * @category VuFind
24 * @package  AJAX
25 * @author   Demian Katz <demian.katz@villanova.edu>
26 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
27 * @link     https://vufind.org/wiki/development Wiki
28 */
29
30namespace VuFind\AjaxHandler;
31
32use Laminas\Mvc\Controller\Plugin\Params;
33use Laminas\Stdlib\Parameters;
34use VuFind\Autocomplete\Suggester;
35use VuFind\Session\Settings as SessionSettings;
36
37/**
38 * "Get Autocomplete Suggestions" AJAX handler
39 *
40 * @category VuFind
41 * @package  AJAX
42 * @author   Demian Katz <demian.katz@villanova.edu>
43 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
44 * @link     https://vufind.org/wiki/development Wiki
45 */
46class GetACSuggestions extends AbstractBase
47{
48    /**
49     * Autocomplete suggester
50     *
51     * @var Suggester
52     */
53    protected $suggester;
54
55    /**
56     * Constructor
57     *
58     * @param SessionSettings $ss        Session settings
59     * @param Suggester       $suggester Autocomplete suggester
60     */
61    public function __construct(SessionSettings $ss, Suggester $suggester)
62    {
63        $this->sessionSettings = $ss;
64        $this->suggester = $suggester;
65    }
66
67    /**
68     * Handle a request.
69     *
70     * @param Params $params Parameter helper from controller
71     *
72     * @return array [response data, HTTP status code]
73     */
74    public function handleRequest(Params $params)
75    {
76        $this->disableSessionWrites();  // avoid session write timing bug
77        $query = new Parameters($params->fromQuery());
78        $suggestions = $this->suggester->getSuggestions($query);
79        return $this->formatResponse(compact('suggestions'));
80    }
81}