wordpress-seo / src / integrations / third-party / woocommerce.php

woocommerce.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 18.9, at src/integrations/third-party/woocommerce.php

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1	<?php
2
3	namespace Yoast\WP\SEO\Integrations\Third_Party;
4
5	use WPSEO_Replace_Vars;
6	use Yoast\WP\SEO\Conditionals\Front_End_Conditional;
7	use Yoast\WP\SEO\Conditionals\WooCommerce_Conditional;
8	use Yoast\WP\SEO\Helpers\Options_Helper;
9	use Yoast\WP\SEO\Helpers\Pagination_Helper;
10	use Yoast\WP\SEO\Integrations\Integration_Interface;
11	use Yoast\WP\SEO\Memoizers\Meta_Tags_Context_Memoizer;
12	use Yoast\WP\SEO\Models\Indexable;
13	use Yoast\WP\SEO\Presentations\Indexable_Presentation;
14	use Yoast\WP\SEO\Repositories\Indexable_Repository;
15
16	/**
17	* WooCommerce integration.
18	*/
19	class WooCommerce implements Integration_Interface {
20
21	/**
22	* The options helper.
23	*
24	* @var Options_Helper
25	*/
26	private $options;
27
28	/**
29	* The WPSEO Replace Vars object.
30	*
31	* @var WPSEO_Replace_Vars
32	*/
33	private $replace_vars;
34
35	/**
36	* The memoizer for the meta tags context.
37	*
38	* @var Meta_Tags_Context_Memoizer
39	*/
40	protected $context_memoizer;
41
42	/**
43	* The indexable repository.
44	*
45	* @var Indexable_Repository
46	*/
47	private $repository;
48
49	/**
50	* The pagination helper.
51	*
52	* @var Pagination_Helper
53	*/
54	protected $pagination_helper;
55
56	/**
57	* Returns the conditionals based in which this loadable should be active.
58	*
59	* @return array
60	*/
61	public static function get_conditionals() {
62	return [ WooCommerce_Conditional::class, Front_End_Conditional::class ];
63	}
64
65	/**
66	* WooCommerce constructor.
67	*
68	* @param Options_Helper $options The options helper.
69	* @param WPSEO_Replace_Vars $replace_vars The replace vars helper.
70	* @param Meta_Tags_Context_Memoizer $context_memoizer The meta tags context memoizer.
71	* @param Indexable_Repository $repository The indexable repository.
72	* @param Pagination_Helper $pagination_helper The paginataion helper.
73	*/
74	public function __construct(
75	Options_Helper $options,
76	WPSEO_Replace_Vars $replace_vars,
77	Meta_Tags_Context_Memoizer $context_memoizer,
78	Indexable_Repository $repository,
79	Pagination_Helper $pagination_helper
80	) {
81	$this->options = $options;
82	$this->replace_vars = $replace_vars;
83	$this->context_memoizer = $context_memoizer;
84	$this->repository = $repository;
85	$this->pagination_helper = $pagination_helper;
86	}
87
88	/**
89	* Initializes the integration.
90	*
91	* This is the place to register hooks and filters.
92	*
93	* @return void
94	*/
95	public function register_hooks() {
96	\add_filter( 'wpseo_frontend_page_type_simple_page_id', [ $this, 'get_page_id' ] );
97	\add_filter( 'wpseo_breadcrumb_indexables', [ $this, 'add_shop_to_breadcrumbs' ] );
98
99	\add_filter( 'wpseo_title', [ $this, 'title' ], 10, 2 );
100	\add_filter( 'wpseo_metadesc', [ $this, 'description' ], 10, 2 );
101	\add_filter( 'wpseo_canonical', [ $this, 'canonical' ], 10, 2 );
102	\add_filter( 'wpseo_adjacent_rel_url', [ $this, 'adjacent_rel_url' ], 10, 3 );
103	}
104
105	/**
106	* Returns the correct canonical when WooCommerce is enabled.
107	*
108	* @param string $canonical The current canonical.
109	* @param Indexable_Presentation\|null $presentation The indexable presentation.
110	*
111	* @return string The correct canonical.
112	*/
113	public function canonical( $canonical, $presentation = null ) {
114	if ( ! $this->is_shop_page() ) {
115	return $canonical;
116	}
117
118	$url = $this->get_shop_paginated_link( 'curr', $presentation );
119
120	if ( $url ) {
121	return $url;
122	}
123
124	return $canonical;
125	}
126
127	/**
128	* Returns correct adjacent pages when WooCommerce is enabled.
129	*
130	* @param string $link The current link.
131	* @param string $rel Link relationship, prev or next.
132	* @param Indexable_Presentation\|null $presentation The indexable presentation.
133	*
134	* @return string The correct link.
135	*/
136	public function adjacent_rel_url( $link, $rel, $presentation = null ) {
137	if ( ! $this->is_shop_page() ) {
138	return $link;
139	}
140
141	if ( $rel !== 'next' && $rel !== 'prev' ) {
142	return $link;
143	}
144
145	$url = $this->get_shop_paginated_link( $rel, $presentation );
146
147	if ( $url ) {
148	return $url;
149	}
150
151	return $link;
152	}
153
154	/**
155	* Adds a breadcrumb for the shop page.
156	*
157	* @param Indexable[] $indexables The array with indexables.
158	*
159	* @return Indexable[] The indexables to be shown in the breadcrumbs, with the shop page added.
160	*/
161	public function add_shop_to_breadcrumbs( $indexables ) {
162	$shop_page_id = $this->get_shop_page_id();
163
164	if ( $shop_page_id < 1 ) {
165	return $indexables;
166	}
167
168	foreach ( $indexables as $index => $indexable ) {
169	if ( $indexable->object_type === 'post-type-archive' && $indexable->object_sub_type === 'product' ) {
170	$indexables[ $index ] = $this->repository->find_by_id_and_type( $shop_page_id, 'post' );
171	}
172	}
173
174	return $indexables;
175	}
176
177	/**
178	* Returns the ID of the WooCommerce shop page when the currently opened page is the shop page.
179	*
180	* @param int $page_id The page id.
181	*
182	* @return int The Page ID of the shop.
183	*/
184	public function get_page_id( $page_id ) {
185	if ( ! $this->is_shop_page() ) {
186	return $page_id;
187	}
188
189	return $this->get_shop_page_id();
190	}
191
192	/**
193	* Handles the title.
194	*
195	* @param string $title The title.
196	* @param Indexable_Presentation\|null $presentation The indexable presentation.
197	*
198	* @return string The title to use.
199	*/
200	public function title( $title, $presentation = null ) {
201	$presentation = $this->ensure_presentation( $presentation );
202
203	if ( $presentation->model->title ) {
204	return $title;
205	}
206
207	if ( ! $this->is_shop_page() ) {
208	return $title;
209	}
210
211	if ( ! \is_archive() ) {
212	return $title;
213	}
214
215	$shop_page_id = $this->get_shop_page_id();
216	if ( $shop_page_id < 1 ) {
217	return $title;
218	}
219
220	$product_template_title = $this->get_product_template( 'title-product', $shop_page_id );
221	if ( $product_template_title ) {
222	return $product_template_title;
223	}
224
225	return $title;
226	}
227
228	/**
229	* Handles the meta description.
230	*
231	* @param string $description The title.
232	* @param Indexable_Presentation\|null $presentation The indexable presentation.
233	*
234	* @return string The description to use.
235	*/
236	public function description( $description, $presentation = null ) {
237	$presentation = $this->ensure_presentation( $presentation );
238
239	if ( $presentation->model->description ) {
240	return $description;
241	}
242
243	if ( ! $this->is_shop_page() ) {
244	return $description;
245	}
246
247	if ( ! \is_archive() ) {
248	return $description;
249	}
250
251	$shop_page_id = $this->get_shop_page_id();
252	if ( $shop_page_id < 1 ) {
253	return $description;
254	}
255
256	$product_template_description = $this->get_product_template( 'metadesc-product', $shop_page_id );
257	if ( $product_template_description ) {
258	return $product_template_description;
259	}
260
261	return $description;
262	}
263
264	/**
265	* Checks if the current page is a WooCommerce shop page.
266	*
267	* @return bool True when the page is a shop page.
268	*/
269	protected function is_shop_page() {
270	if ( ! \is_shop() ) {
271	return false;
272	}
273
274	if ( \is_search() ) {
275	return false;
276	}
277
278	return true;
279	}
280
281	/**
282	* Uses template for the given option name and replace the replacement variables on it.
283	*
284	* @param string $option_name The option name to get the template for.
285	* @param string $shop_page_id The page id to retrieve template for.
286	*
287	* @return string The rendered value.
288	*/
289	protected function get_product_template( $option_name, $shop_page_id ) {
290	$template = $this->options->get( $option_name );
291	$page = \get_post( $shop_page_id );
292
293	return $this->replace_vars->replace( $template, $page );
294	}
295
296	/**
297	* Returns the id of the set WooCommerce shop page.
298	*
299	* @return int The ID of the set page.
300	*/
301	protected function get_shop_page_id() {
302	if ( ! \function_exists( 'wc_get_page_id' ) ) {
303	return -1;
304	}
305
306	return \wc_get_page_id( 'shop' );
307	}
308
309	/**
310	* Get paginated link for shop page.
311	*
312	* @param string $rel Link relationship, prev or next or curr.
313	* @param Indexable_Presentation\|null $presentation The indexable presentation.
314	*
315	* @return string\|null The link.
316	*/
317	protected function get_shop_paginated_link( $rel, $presentation = null ) {
318	$presentation = $this->ensure_presentation( $presentation );
319
320	$permalink = $presentation->get_permalink();
321	if ( ! $permalink ) {
322	return null;
323	}
324
325	$current_page = \max( 1, $this->pagination_helper->get_current_archive_page_number() );
326
327	if ( $rel === 'curr' && $current_page === 1 ) {
328	return $permalink;
329	}
330
331	if ( $rel === 'curr' && $current_page > 1 ) {
332	return $this->pagination_helper->get_paginated_url( $permalink, $current_page );
333	}
334
335	if ( $rel === 'prev' && $current_page === 2 ) {
336	return $permalink;
337	}
338
339	if ( $rel === 'prev' && $current_page > 2 ) {
340	return $this->pagination_helper->get_paginated_url( $permalink, ( $current_page - 1 ) );
341	}
342
343	if ( $rel === 'next' && $current_page < $this->pagination_helper->get_number_of_archive_pages() ) {
344	return $this->pagination_helper->get_paginated_url( $permalink, ( $current_page + 1 ) );
345	}
346
347	return null;
348	}
349
350	/**
351	* Ensures a presentation is available.
352	*
353	* @param Indexable_Presentation $presentation The indexable presentation.
354	*
355	* @return Indexable_Presentation The presentation, taken from the current page if the input was invalid.
356	*/
357	protected function ensure_presentation( $presentation ) {
358	if ( \is_a( $presentation, Indexable_Presentation::class ) ) {
359	return $presentation;
360	}
361
362	$context = $this->context_memoizer->for_current_page();
363
364	return $context->presentation;
365	}
366	}
367