polylang / integrations / jetpack / jetpack.php

jetpack.php in Polylang 2.8.1, at integrations/jetpack/jetpack.php

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1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	/**
7	* Manages the compatibility with Jetpack
8	*
9	* @since 2.3
10	*/
11	class PLL_Jetpack {
12	/**
13	* Constructor
14	*
15	* @since 2.3
16	*/
17	public function __construct() {
18	add_action( 'init', array( $this, 'jetpack_init' ) );
19	add_action( 'jetpack_widget_get_top_posts', array( $this, 'jetpack_widget_get_top_posts' ), 10, 3 );
20	add_filter( 'grunion_contact_form_field_html', array( $this, 'grunion_contact_form_field_html_filter' ), 10, 3 );
21	add_filter( 'jetpack_open_graph_tags', array( $this, 'jetpack_ogp' ) );
22	add_filter( 'jetpack_relatedposts_filter_filters', array( $this, 'jetpack_relatedposts_filter_filters' ), 10, 2 );
23
24	// Jetpack infinite scroll
25	if ( isset( $_GET['infinity'], $_POST['action'] ) && 'infinite_scroll' == $_POST['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification
26	add_filter( 'pll_is_ajax_on_front', '__return_true' );
27	}
28	}
29
30	/**
31	* Add filters
32	*
33	* @since 2.1
34	*/
35	public function jetpack_init() {
36	if ( ! defined( 'JETPACK__VERSION' ) ) {
37	return;
38	}
39
40	// Infinite scroll ajax url must be on the right domain
41	if ( did_action( 'pll_init' ) && PLL()->options['force_lang'] > 1 ) {
42	add_filter( 'infinite_scroll_ajax_url', array( PLL()->links_model, 'site_url' ) );
43	add_filter( 'infinite_scroll_js_settings', array( $this, 'jetpack_infinite_scroll_js_settings' ) );
44	}
45	}
46
47	/**
48	* Filter the Top Posts and Pages by language.
49	* Adapted from the same function in jetpack-3.0.2/3rd-party/wpml.php
50	*
51	* @since 1.5.4
52	*
53	* @param array $posts Array of the most popular posts.
54	* @param array $post_ids Array of Post IDs.
55	* @param string $count Number of Top Posts we want to display.
56	* @return array
57	*/
58	public function jetpack_widget_get_top_posts( $posts, $post_ids, $count ) {
59	foreach ( $posts as $k => $post ) {
60	if ( pll_current_language() !== pll_get_post_language( $post['post_id'] ) ) {
61	unset( $posts[ $k ] );
62	}
63	}
64
65	return $posts;
66	}
67
68	/**
69	* Filter the HTML of the Contact Form and output the one requested by language.
70	* Adapted from the same function in jetpack-3.0.2/3rd-party/wpml.php
71	* Keeps using 'icl_translate' as the function registers the string
72	*
73	* @since 1.5.4
74	*
75	* @param string $r Contact Form HTML output.
76	* @param string $field_label Field label.
77	* @param int\|null $id Post ID.
78	* @return string
79	*/
80	public function grunion_contact_form_field_html_filter( $r, $field_label, $id ) {
81	if ( function_exists( 'icl_translate' ) ) {
82	if ( pll_current_language() !== pll_default_language() ) {
83	$label_translation = icl_translate( 'jetpack ', $field_label . '_label', $field_label );
84	$r = str_replace( $field_label, $label_translation, $r );
85	}
86	}
87
88	return $r;
89	}
90
91	/**
92	* Adds opengraph support for locale and translations
93	*
94	* @since 1.6
95	*
96	* @param array $tags opengraph tags to output
97	* @return array
98	*/
99	public function jetpack_ogp( $tags ) {
100	if ( did_action( 'pll_init' ) ) {
101	foreach ( PLL()->model->get_languages_list() as $language ) {
102	if ( PLL()->curlang->slug !== $language->slug && PLL()->links->get_translation_url( $language ) && isset( $language->facebook ) ) {
103	$tags['og:locale:alternate'][] = $language->facebook;
104	}
105	if ( PLL()->curlang->slug === $language->slug && isset( $language->facebook ) ) {
106	$tags['og:locale'] = $language->facebook;
107	}
108	}
109	}
110	return $tags;
111	}
112
113	/**
114	* Allows to make sure that related posts are in the correct language
115	*
116	* @since 1.8
117	*
118	* @param array $filters Array of ElasticSearch filters based on the post_id and args.
119	* @param string $post_id Post ID of the post for which we are retrieving Related Posts.
120	* @return array
121	*/
122	public function jetpack_relatedposts_filter_filters( $filters, $post_id ) {
123	$slug = sanitize_title( pll_get_post_language( $post_id, 'slug' ) );
124	$filters[] = array( 'term' => array( 'taxonomy.language.slug' => $slug ) );
125	return $filters;
126	}
127
128	/**
129	* Fixes the settings history host for infinite scroll when using subdomains or multiple domains
130	*
131	* @since 2.1
132	*
133	* @param array $settings
134	* @return array
135	*/
136	public function jetpack_infinite_scroll_js_settings( $settings ) {
137	$settings['history']['host'] = wp_parse_url( pll_home_url(), PHP_URL_HOST ); // Jetpack uses get_option( 'home' )
138	return $settings;
139	}
140	}
141