wordpress-seo / src / presentations / archive-adjacent-trait.php

archive-adjacent-trait.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI trunk, at src/presentations/archive-adjacent-trait.php

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1	<?php
2
3	namespace Yoast\WP\SEO\Presentations;
4
5	use Yoast\WP\SEO\Helpers\Pagination_Helper;
6	use Yoast\WP\SEO\Models\Indexable;
7
8	/**
9	* Class Archive_Adjacent.
10	*
11	* Presentation object for indexables.
12	*
13	* @property Indexable $model The indexable.
14	*/
15	trait Archive_Adjacent {
16
17	/**
18	* Holds the Pagination_Helper instance.
19	*
20	* @var Pagination_Helper
21	*/
22	protected $pagination;
23
24	/**
25	* Sets the helpers for the trait.
26	*
27	* @required
28	*
29	* @codeCoverageIgnore
30	*
31	* @param Pagination_Helper $pagination The pagination helper.
32	*
33	* @return void
34	*/
35	public function set_archive_adjacent_helpers( Pagination_Helper $pagination ) {
36	$this->pagination = $pagination;
37	}
38
39	/**
40	* Generates the rel prev.
41	*
42	* @return string
43	*/
44	public function generate_rel_prev() {
45	if ( $this->pagination->is_rel_adjacent_disabled() ) {
46	return '';
47	}
48
49	$current_page = \max( 1, $this->pagination->get_current_archive_page_number() );
50	// Check if there is a previous page.
51	if ( $current_page === 1 ) {
52	return '';
53	}
54	// Check if the previous page is the first page.
55	if ( $current_page === 2 ) {
56	return $this->permalink;
57	}
58
59	return $this->pagination->get_paginated_url( $this->permalink, ( $current_page - 1 ) );
60	}
61
62	/**
63	* Generates the rel next.
64	*
65	* @return string
66	*/
67	public function generate_rel_next() {
68	if ( $this->pagination->is_rel_adjacent_disabled() ) {
69	return '';
70	}
71
72	$current_page = \max( 1, $this->pagination->get_current_archive_page_number() );
73	if ( $this->pagination->get_number_of_archive_pages() <= $current_page ) {
74	return '';
75	}
76
77	return $this->pagination->get_paginated_url( $this->permalink, ( $current_page + 1 ) );
78	}
79	}
80