404-solution / includes / engine / ArchiveFallbackEngine.php

ArchiveFallbackEngine.php in 404 Solution 4.3.0, at includes/engine/ArchiveFallbackEngine.php

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1	<?php
2
3	if (!defined('ABSPATH')) {
4	exit;
5	}
6
7	/**
8	* Fallback matching engine that redirects to post type archive pages.
9	*
10	* When all other engines fail, if the URL path starts with a known post type slug
11	* that has an archive, redirect to that post type's archive page.
12	* E.g., /products/nonexistent-item → /products/
13	*/
14	class ABJ_404_Solution_ArchiveFallbackEngine implements ABJ_404_Solution_MatchingEngine {
15
16	/** @var ABJ_404_Solution_Functions */
17	private $f;
18
19	/** @var ABJ_404_Solution_Logging */
20	private $logger;
21
22	/**
23	* @param ABJ_404_Solution_Functions $f
24	* @param ABJ_404_Solution_Logging $logger
25	*/
26	public function __construct(
27	ABJ_404_Solution_Functions $f,
28	ABJ_404_Solution_Logging $logger
29	) {
30	$this->f = $f;
31	$this->logger = $logger;
32	}
33
34	/** @return string */
35	public function getName(): string {
36	return __('archive fallback', '404-solution');
37	}
38
39	/** @param ABJ_404_Solution_MatchRequest $request */
40	public function shouldRun(ABJ_404_Solution_MatchRequest $request): bool {
41	$slug = $request->getUrlSlugOnly();
42
43	if ($slug === '') {
44	return false;
45	}
46
47	$options = $request->getOptions();
48	$autoRedirects = isset($options['auto_redirects']) ? $options['auto_redirects'] : '0';
49
50	if ($autoRedirects !== '1') {
51	return false;
52	}
53
54	return true;
55	}
56
57	/** @param ABJ_404_Solution_MatchRequest $request */
58	public function match(ABJ_404_Solution_MatchRequest $request): ?ABJ_404_Solution_MatchResult {
59	$slug = $request->getUrlSlugOnly();
60
61	// Get the first path segment
62	$segments = array_values(array_filter(explode('/', $slug), function ($s) {
63	return $s !== '';
64	}));
65
66	if (empty($segments)) {
67	return null;
68	}
69
70	$firstSegment = $this->f->strtolower($segments[0]);
71
72	// Get post types with archives
73	/** @var array<string, object> $postTypes */
74	$postTypes = get_post_types(['has_archive' => true], 'objects');
75
76	if (empty($postTypes)) {
77	$this->logger->debugMessage("Archive fallback engine: no post types with archives");
78	return null;
79	}
80
81	foreach ($postTypes as $postTypeName => $postTypeObj) {
82	$hasArchive = isset($postTypeObj->has_archive) ? $postTypeObj->has_archive : false;
83
84	// has_archive can be true (use post type name as slug) or a string (custom archive slug)
85	$archiveSlug = '';
86	if (is_string($hasArchive) && $hasArchive !== '') {
87	$archiveSlug = $this->f->strtolower($hasArchive);
88	} elseif ($hasArchive === true) {
89	$archiveSlug = $this->f->strtolower((string)$postTypeName);
90	}
91
92	if ($archiveSlug === '') {
93	continue;
94	}
95
96	if ($firstSegment !== $archiveSlug && $firstSegment !== $this->f->strtolower((string)$postTypeName)) {
97	continue;
98	}
99
100	// Found a matching post type — get its archive URL
101	$archiveUrl = get_post_type_archive_link((string)$postTypeName);
102
103	if (!is_string($archiveUrl) \|\| $archiveUrl === '') {
104	continue;
105	}
106
107	$label = isset($postTypeObj->label) && is_string($postTypeObj->label)
108	? $postTypeObj->label : (string)$postTypeName;
109
110	$this->logger->debugMessage("Archive fallback engine: matched post type '" .
111	$postTypeName . "' archive for segment '" . $firstSegment . "'");
112
113	return new ABJ_404_Solution_MatchResult(
114	'0',
115	(string)ABJ404_TYPE_POST,
116	$archiveUrl,
117	$label,
118	100.0,
119	$this->getName()
120	);
121	}
122
123	$this->logger->debugMessage("Archive fallback engine: no matching post type for segment '" .
124	$firstSegment . "'");
125
126	return null;
127	}
128	}
129