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1 |
1 | <?php |
2 | |
3 | /** |
4 | * EuropeanaResultsDeferred Recommendations Module |
5 | * |
6 | * PHP version 8 |
7 | * |
8 | * Copyright (C) Villanova University 2010. |
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 Recommendations |
25 | * @author Lutz Biedinger <lutz.biedinger@gmail.com> |
26 | * @author Demian Katz <demian.katz@villanova.edu> |
27 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
28 | * @link https://vufind.org/wiki/development:plugins:recommendation_modules Wiki |
29 | */ |
30 | |
31 | namespace VuFind\Recommend; |
32 | |
33 | use function is_object; |
34 | |
35 | /** |
36 | * EuropeanaResultsDeferred Recommendations Module |
37 | * |
38 | * This class sets up an AJAX call to trigger a call to the EuropeanaResults |
39 | * module. |
40 | * |
41 | * @category VuFind |
42 | * @package Recommendations |
43 | * @author Lutz Biedinger <lutz.biedigner@gmail.com> |
44 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
45 | * @link https://vufind.org/wiki/development:plugins:recommendation_modules Wiki |
46 | */ |
47 | class EuropeanaResultsDeferred extends AbstractSearchObjectDeferred |
48 | { |
49 | /** |
50 | * Number of expected module parameters (from .ini config) |
51 | * |
52 | * @var int |
53 | */ |
54 | protected $paramCount = 4; |
55 | |
56 | /** |
57 | * Initialize the lookFor query parameter. Called from init(). |
58 | * |
59 | * @param \VuFind\Search\Base\Params $params Search parameter object |
60 | * @param \Laminas\Stdlib\Parameters $request Parameter object representing user |
61 | * request. |
62 | * @param array $settings Parameter array (passed by reference) |
63 | * |
64 | * @return void |
65 | */ |
66 | protected function initLookFor($params, $request, &$settings) |
67 | { |
68 | // Collect the best possible search term(s): |
69 | $this->lookfor = $request->get('lookfor', ''); |
70 | if (empty($this->lookfor) && is_object($params)) { |
71 | $this->lookfor = $params->getQuery()->getAllTerms(); |
72 | } |
73 | $this->lookfor = trim($this->lookfor); |
74 | } |
75 | |
76 | /** |
77 | * Store the configuration of the recommendation module. |
78 | * |
79 | * @return string Module name in call to AjaxHandler |
80 | */ |
81 | protected function getAjaxModule() |
82 | { |
83 | return 'EuropeanaResults'; |
84 | } |
85 | } |