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1 |
1 | <?php |
2 | |
3 | /** |
4 | * SOLR update document class. |
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 Search |
25 | * @author David Maus <maus@hab.de> |
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 |
29 | */ |
30 | |
31 | namespace VuFindSearch\Backend\Solr\Document; |
32 | |
33 | use SplObjectStorage; |
34 | use VuFindSearch\Backend\Solr\Record\SerializableRecordInterface; |
35 | use XMLWriter; |
36 | |
37 | use function is_array; |
38 | |
39 | /** |
40 | * SOLR update document class. |
41 | * |
42 | * @category VuFind |
43 | * @package Search |
44 | * @author David Maus <maus@hab.de> |
45 | * @author Demian Katz <demian.katz@villanova.edu> |
46 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
47 | * @link https://vufind.org |
48 | */ |
49 | class UpdateDocument implements DocumentInterface |
50 | { |
51 | /** |
52 | * Records and index attributes. |
53 | * |
54 | * @var SplObjectStorage |
55 | */ |
56 | protected $records; |
57 | |
58 | /** |
59 | * Constructor. |
60 | */ |
61 | public function __construct() |
62 | { |
63 | $this->records = new SplObjectStorage(); |
64 | } |
65 | |
66 | /** |
67 | * Return content MIME type. |
68 | * |
69 | * @return string |
70 | */ |
71 | public function getContentType(): string |
72 | { |
73 | return 'text/xml; charset=UTF-8'; |
74 | } |
75 | |
76 | /** |
77 | * Return serialized representation. |
78 | * |
79 | * @return string |
80 | */ |
81 | public function getContent(): string |
82 | { |
83 | $writer = new XMLWriter(); |
84 | $writer->openMemory(); |
85 | $writer->startDocument(); |
86 | $writer->startElement('add'); |
87 | foreach ($this->records as $record) { |
88 | $writer->startElement('doc'); |
89 | $indexAttr = $this->records->offsetGet($record); |
90 | foreach ($indexAttr as $name => $value) { |
91 | $writer->writeAttribute($name, $value); |
92 | } |
93 | foreach ($record->getFields() as $name => $values) { |
94 | $values = is_array($values) ? $values : [$values]; |
95 | foreach ($values as $value) { |
96 | $writer->startElement('field'); |
97 | $writer->writeAttribute('name', $name); |
98 | $writer->text($value); |
99 | $writer->endElement(); |
100 | } |
101 | } |
102 | $writer->endElement(); |
103 | } |
104 | $writer->endElement(); |
105 | $writer->endDocument(); |
106 | return $writer->flush(); |
107 | } |
108 | |
109 | /** |
110 | * Add record. |
111 | * |
112 | * @param SerializableRecordInterface $record Record |
113 | * @param array $indexAttr Index attributes |
114 | * |
115 | * @return void |
116 | */ |
117 | public function addRecord( |
118 | SerializableRecordInterface $record, |
119 | array $indexAttr = [] |
120 | ): void { |
121 | $this->records->attach($record, $indexAttr); |
122 | } |
123 | } |