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1 | <?php |
2 | |
3 | /** |
4 | * View helper to support ILS holdings display |
5 | * |
6 | * PHP version 8 |
7 | * |
8 | * Copyright (C) Villanova University 2022. |
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 View_Helpers |
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 | |
30 | namespace VuFind\View\Helper\Root; |
31 | |
32 | use function strlen; |
33 | |
34 | /** |
35 | * View helper to support ILS holdings display |
36 | * |
37 | * @category VuFind |
38 | * @package View_Helpers |
39 | * @author Demian Katz <demian.katz@villanova.edu> |
40 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
41 | * @link https://vufind.org/wiki/development Wiki |
42 | */ |
43 | class Holdings extends \Laminas\View\Helper\AbstractHelper |
44 | { |
45 | /** |
46 | * Configuration |
47 | * |
48 | * @var array |
49 | */ |
50 | protected $config; |
51 | |
52 | /** |
53 | * Constructor |
54 | * |
55 | * @param array $config Configuration |
56 | */ |
57 | public function __construct(array $config) |
58 | { |
59 | $this->config = $config; |
60 | } |
61 | |
62 | /** |
63 | * Is the provided holdings array (from an ILS driver's getHolding method) |
64 | * suitable for display to the end user? |
65 | * |
66 | * @param array $holding Holding to evaluate |
67 | * |
68 | * @return bool |
69 | */ |
70 | public function holdingIsVisible(array $holding): bool |
71 | { |
72 | $catalogConfig = $this->config['Catalog'] ?? []; |
73 | $showEmptyBarcodes |
74 | = (bool)($catalogConfig['display_items_without_barcodes'] ?? true); |
75 | return $holding['availability']->isVisibleInHoldings() |
76 | && ($showEmptyBarcodes || strlen($holding['barcode'] ?? '') > 0); |
77 | } |
78 | } |