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1 | <?php |
2 | |
3 | /** |
4 | * Ajax Controller 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 Controller |
25 | * @author Chris Hallberg <challber@villanova.edu> |
26 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
27 | * @link https://vufind.org/wiki/development:plugins:controllers Wiki |
28 | */ |
29 | |
30 | namespace VuFind\Controller; |
31 | |
32 | use Laminas\Mvc\Controller\AbstractActionController; |
33 | use VuFind\AjaxHandler\PluginManager; |
34 | use VuFind\I18n\Translator\TranslatorAwareInterface; |
35 | |
36 | /** |
37 | * This controller handles global AJAX functionality |
38 | * |
39 | * @category VuFind |
40 | * @package Controller |
41 | * @author Chris Hallberg <challber@villanova.edu> |
42 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
43 | * @link https://vufind.org/wiki/development:plugins:controllers Wiki |
44 | */ |
45 | class AjaxController extends AbstractActionController implements TranslatorAwareInterface |
46 | { |
47 | use AjaxResponseTrait; |
48 | use \VuFind\I18n\Translator\TranslatorAwareTrait; |
49 | |
50 | /** |
51 | * Constructor |
52 | * |
53 | * @param PluginManager $am AJAX Handler Plugin Manager |
54 | */ |
55 | public function __construct(PluginManager $am) |
56 | { |
57 | // Prevent errors, notices etc. from being displayed so that they don't mess |
58 | // with the output (only in production mode): |
59 | if ('production' === APPLICATION_ENV) { |
60 | ini_set('display_errors', '0'); |
61 | } |
62 | $this->ajaxManager = $am; |
63 | } |
64 | |
65 | /** |
66 | * Make an AJAX call with a JSON-formatted response. |
67 | * |
68 | * @return \Laminas\Http\Response |
69 | */ |
70 | public function jsonAction() |
71 | { |
72 | $method = $this->params()->fromQuery('method'); |
73 | if (!$method) { |
74 | return $this->getAjaxResponse('application/json', ['error' => 'Parameter "method" missing'], 400); |
75 | } |
76 | return $this->callAjaxMethod($method); |
77 | } |
78 | |
79 | /** |
80 | * Load a recommendation module via AJAX. |
81 | * |
82 | * @return \Laminas\Http\Response |
83 | */ |
84 | public function recommendAction() |
85 | { |
86 | return $this->callAjaxMethod('recommend', 'text/html'); |
87 | } |
88 | |
89 | /** |
90 | * Check status and return a status message for e.g. a load balancer. |
91 | * |
92 | * A simple OK as text/plain is returned if everything works properly. |
93 | * |
94 | * @return \Laminas\Http\Response |
95 | */ |
96 | public function systemStatusAction() |
97 | { |
98 | return $this->callAjaxMethod('systemStatus', 'text/plain'); |
99 | } |
100 | } |