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1 | <?php |
2 | |
3 | /** |
4 | * Class ObalkyKnih |
5 | * |
6 | * PHP version 8 |
7 | * |
8 | * Copyright (C) Moravian Library 2019. |
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 Content |
25 | * @author Josef Moravec <moravec@mzk.cz> |
26 | * @license https://opensource.org/licenses/gpl-2.0.php GNU General Public License |
27 | * @link https://vufind.org/wiki/development Wiki |
28 | */ |
29 | |
30 | declare(strict_types=1); |
31 | |
32 | namespace VuFind\Content\Covers; |
33 | |
34 | use VuFind\Content\ObalkyKnihService; |
35 | |
36 | /** |
37 | * Class ObalkyKnih |
38 | * |
39 | * @category VuFind |
40 | * @package Content |
41 | * @author Josef Moravec <moravec@mzk.cz> |
42 | * @license https://opensource.org/licenses/gpl-2.0.php GNU General Public License |
43 | * @link https://vufind.org/wiki/development Wiki |
44 | */ |
45 | class ObalkyKnih extends \VuFind\Content\AbstractCover |
46 | { |
47 | /** |
48 | * Obalky knih service |
49 | * |
50 | * @var ObalkyKnihService |
51 | */ |
52 | protected $service; |
53 | |
54 | /** |
55 | * Constructor |
56 | * |
57 | * @param ObalkyKnihService $service Service for getting metadata from |
58 | * obalkyknih.cz |
59 | */ |
60 | public function __construct(ObalkyKnihService $service) |
61 | { |
62 | $this->supportsIsbn = true; |
63 | $this->supportsIssn = true; |
64 | $this->supportsIsmn = true; |
65 | $this->supportsOclc = true; |
66 | $this->supportsUpc = true; |
67 | $this->supportsNbn = true; |
68 | $this->supportsRecordid = true; |
69 | $this->supportsUuid = true; |
70 | $this->cacheAllowed = false; |
71 | $this->directUrls = true; |
72 | $this->mandatoryBacklinkLocations = ['core']; |
73 | |
74 | $this->service = $service; |
75 | } |
76 | |
77 | /** |
78 | * Get image URL for a particular API key and set of IDs (or false if invalid). |
79 | * |
80 | * @param string $key API key |
81 | * @param string $size Size of image to load (small/medium/large) |
82 | * @param array $ids Associative array of identifiers (keys may include 'isbn' |
83 | * pointing to an ISBN object and 'issn' pointing to a string) |
84 | * |
85 | * @return string|bool |
86 | * |
87 | * @SuppressWarnings(PHPMD.UnusedFormalParameter) |
88 | */ |
89 | public function getUrl($key, $size, $ids) |
90 | { |
91 | $data = $this->service->getData($ids); |
92 | if (!isset($data)) { |
93 | return false; |
94 | } |
95 | switch ($size) { |
96 | case 'small': |
97 | $imageUrl = $data->cover_icon_url ?? false; |
98 | break; |
99 | case 'medium': |
100 | $imageUrl = $data->cover_medium_url ?? false; |
101 | break; |
102 | case 'large': |
103 | $imageUrl = $data->cover_preview510_url ?? false; |
104 | break; |
105 | default: |
106 | $imageUrl = $data->cover_medium_url ?? false; |
107 | break; |
108 | } |
109 | return $imageUrl; |
110 | } |
111 | |
112 | /** |
113 | * Get cover metadata for a particular API key and set of IDs (or empty array). |
114 | * |
115 | * @param string $key API key |
116 | * @param string $size Size of image to load (small/medium/large) |
117 | * @param array $ids Associative array of identifiers (keys may include 'isbn' |
118 | * pointing to an ISBN object, 'issn' pointing to a string and 'oclc' pointing |
119 | * to an OCLC number string) |
120 | * |
121 | * @return array Array with keys: url, backlink_url, backlink_text |
122 | */ |
123 | public function getMetadata(?string $key, string $size, array $ids) |
124 | { |
125 | $url = $this->getUrl($key, $size, $ids); |
126 | if ($url) { |
127 | $data = $this->service->getData($ids); |
128 | return [ |
129 | 'url' => $url, |
130 | 'backlink_url' => $data->backlink_url ?? '', |
131 | 'backlink_text' => 'ObálkyKnih.cz', |
132 | ]; |
133 | } |
134 | return []; |
135 | } |
136 | } |