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1 |
1 | <?php |
2 | |
3 | /** |
4 | * Holdings (WorldCat) tab |
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 RecordTabs |
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:plugins:record_tabs Wiki |
28 | */ |
29 | |
30 | namespace VuFind\RecordTab; |
31 | |
32 | use VuFindSearch\Backend\WorldCat\Command\GetHoldingsCommand; |
33 | use VuFindSearch\Service; |
34 | |
35 | /** |
36 | * Holdings (WorldCat) tab |
37 | * |
38 | * @category VuFind |
39 | * @package RecordTabs |
40 | * @author Demian Katz <demian.katz@villanova.edu> |
41 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
42 | * @link https://vufind.org/wiki/development:plugins:record_tabs Wiki |
43 | */ |
44 | class HoldingsWorldCat extends AbstractBase |
45 | { |
46 | /** |
47 | * Search service |
48 | * |
49 | * @var Service |
50 | */ |
51 | protected $searchService; |
52 | |
53 | /** |
54 | * Constructor |
55 | * |
56 | * @param Service $searchService Search service |
57 | */ |
58 | public function __construct(Service $searchService) |
59 | { |
60 | $this->searchService = $searchService; |
61 | } |
62 | |
63 | /** |
64 | * Get the on-screen description for this tab. |
65 | * |
66 | * @return string |
67 | */ |
68 | public function getDescription() |
69 | { |
70 | return 'Holdings'; |
71 | } |
72 | |
73 | /** |
74 | * Get holdings information from WorldCat (false if none available). |
75 | * |
76 | * @return \SimpleXMLElement|bool |
77 | */ |
78 | public function getHoldings() |
79 | { |
80 | $id = $this->getOCLCNum(); |
81 | if (empty($id)) { |
82 | return false; |
83 | } |
84 | $command = new GetHoldingsCommand('WorldCat', $id); |
85 | return $this->searchService->invoke($command)->getResult(); |
86 | } |
87 | |
88 | /** |
89 | * Is this tab active? |
90 | * |
91 | * @return bool |
92 | */ |
93 | public function isActive() |
94 | { |
95 | $id = $this->getOCLCNum(); |
96 | return !empty($id); |
97 | } |
98 | |
99 | /** |
100 | * Get the OCLC number from the active record driver. |
101 | * |
102 | * @return string |
103 | */ |
104 | protected function getOCLCNum() |
105 | { |
106 | return $this->getRecordDriver()->tryMethod('getCleanOCLCNum'); |
107 | } |
108 | } |