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1<?php
2
3/**
4 * Simple XML-based factory for 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   David Maus <maus@hab.de>
26 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
27 * @link     https://vufind.org
28 */
29
30namespace VuFindSearch\Backend\WorldCat\Response\XML;
31
32use VuFind\Marc\MarcReader;
33use VuFindSearch\Exception\InvalidArgumentException;
34use VuFindSearch\Response\RecordCollectionFactoryInterface;
35
36use function call_user_func;
37use function gettype;
38use function is_array;
39use function is_callable;
40
41/**
42 * Simple XML-based factory for record collection.
43 *
44 * @category VuFind
45 * @package  Search
46 * @author   David Maus <maus@hab.de>
47 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
48 * @link     https://vufind.org
49 */
50class RecordCollectionFactory implements RecordCollectionFactoryInterface
51{
52    /**
53     * Factory to turn data into a record object.
54     *
55     * @var callable
56     */
57    protected $recordFactory;
58
59    /**
60     * Class of collection.
61     *
62     * @var string
63     */
64    protected $collectionClass;
65
66    /**
67     * Constructor.
68     *
69     * @param callable $recordFactory   Record factory function (null for default)
70     * @param string   $collectionClass Class of collection
71     *
72     * @return void
73     */
74    public function __construct($recordFactory = null, $collectionClass = null)
75    {
76        if (null === $recordFactory) {
77            $recordFactory = function ($i) {
78                return new Record(new MarcReader($i));
79            };
80        } elseif (!is_callable($recordFactory)) {
81            throw new InvalidArgumentException('Record factory must be callable.');
82        }
83        $this->recordFactory = $recordFactory;
84        $this->collectionClass = $collectionClass ?? RecordCollection::class;
85    }
86
87    /**
88     * Return record collection.
89     *
90     * @param array $response Collection of XML documents
91     *
92     * @return RecordCollection
93     */
94    public function factory($response)
95    {
96        if (!is_array($response)) {
97            throw new InvalidArgumentException(
98                sprintf(
99                    'Unexpected type of value: Expected array, got %s',
100                    gettype($response)
101                )
102            );
103        }
104        $collection = new $this->collectionClass($response);
105        foreach ($response['docs'] as $doc) {
106            $collection->add(call_user_func($this->recordFactory, $doc), false);
107        }
108        return $collection;
109    }
110}