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1<?php
2
3/**
4 * EIT record collection.
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   Julia Bauder <bauderj@grinnell.edu>
26 * @author   David Maus <maus@hab.de>
27 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
28 * @link     https://vufind.org
29 */
30
31namespace VuFindSearch\Backend\EIT\Response\XML;
32
33use VuFindSearch\Response\AbstractRecordCollection;
34
35/**
36 * EIT record collection.
37 * Largely copied from the WorldCat record collection
38 *
39 * @category VuFind
40 * @package  Search
41 * @author   David Maus <maus@hab.de>
42 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
43 * @link     https://vufind.org
44 */
45class RecordCollection extends AbstractRecordCollection
46{
47    /**
48     * Raw response.
49     *
50     * @var array
51     */
52    protected $response;
53
54    /**
55     * Constructor.
56     *
57     * @param array $response EIT response
58     *
59     * @return void
60     */
61    public function __construct(array $response)
62    {
63        $this->response = $response;
64        $this->rewind();
65    }
66
67    /**
68     * Return total number of records found.
69     *
70     * @return int
71     */
72    public function getTotal()
73    {
74        return $this->response['total'] ?? 0;
75    }
76
77    /**
78     * Return facet information.
79     *
80     * @return array
81     */
82    public function getFacets()
83    {
84        return []; // not supported by EIT
85    }
86
87    /**
88     * Return offset in the total search result set.
89     *
90     * @return int
91     */
92    public function getOffset()
93    {
94        return $this->response['offset'] ?? 0;
95    }
96}