polylang / modules / sync / sync.php

sync.php in Polylang 2.4, at modules/sync/sync.php

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1	<?php
2
3	/**
4	* Manages copy and synchronization of terms and post metas on front
5	*
6	* @since 2.4
7	*/
8	class PLL_Sync {
9	public $taxonomies, $post_metas, $term_meta;
10
11	/**
12	* Constructor
13	*
14	* @since 1.2
15	*
16	* @param object $polylang
17	*/
18	public function __construct( &$polylang ) {
19	$this->model = &$polylang->model;
20	$this->options = &$polylang->options;
21
22	$this->taxonomies = new PLL_Sync_Tax( $polylang );
23	$this->post_metas = new PLL_Sync_Post_Metas( $polylang );
24	$this->term_metas = new PLL_Sync_Term_Metas( $polylang );
25
26	add_action( 'pll_save_post', array( $this, 'pll_save_post' ), 10, 3 );
27	add_action( 'pll_save_term', array( $this, 'sync_term_parent' ), 10, 3 );
28
29	add_action( 'pll_duplicate_term', array( $this->term_metas, 'copy' ), 10, 3 );
30
31	if ( $this->options['media_support'] ) {
32	add_action( 'pll_translate_media', array( $this->taxonomies, 'copy' ), 10, 3 );
33	add_action( 'pll_translate_media', array( $this->post_metas, 'copy' ), 10, 3 );
34	add_action( 'edit_attachment', array( $this, 'edit_attachment' ) );
35	}
36
37	add_filter( 'pre_update_option_sticky_posts', array( $this, 'sync_sticky_posts' ), 10, 2 );
38	}
39
40	/**
41	* Get post fields to synchornize
42	*
43	* @since 2.4
44	*
45	* @param object $post Post object
46	* @return array
47	*/
48	protected function get_fields_to_sync( $post ) {
49	$postarr = array();
50
51	foreach ( array( 'comment_status', 'ping_status', 'menu_order' ) as $property ) {
52	if ( in_array( $property, $this->options['sync'] ) ) {
53	$postarr[ $property ] = $post->$property;
54	}
55	}
56
57	if ( in_array( 'post_date', $this->options['sync'] ) ) {
58	$postarr['post_date'] = $post->post_date;
59	$postarr['post_date_gmt'] = $post->post_date_gmt;
60	}
61
62	if ( in_array( 'post_parent', $this->options['sync'] ) ) {
63	$postarr['post_parent'] = wp_get_post_parent_id( $post->ID );
64	}
65
66	return $postarr;
67	}
68
69	/**
70	* Synchronizes post fields in translations
71	*
72	* @since 2.4
73	*
74	* @param int $post_id post id
75	* @param object $post post object
76	* @param array $translations post translations
77	*/
78	public function pll_save_post( $post_id, $post, $translations ) {
79	global $wpdb;
80
81	$postarr = $this->get_fields_to_sync( $post );
82
83	if ( ! empty( $postarr ) ) {
84	foreach ( $translations as $lang => $tr_id ) {
85	if ( ! $tr_id \|\| $tr_id === $post_id ) {
86	continue;
87	}
88
89	$tr_arr = $postarr;
90	unset( $tr_arr['post_parent'] );
91
92	// Do not udpate the translation parent if the user set a parent with no translation
93	if ( isset( $postarr['post_parent'] ) ) {
94	$post_parent = $postarr['post_parent'] ? $this->model->post->get_translation( $postarr['post_parent'], $lang ) : 0;
95	if ( ! ( $postarr['post_parent'] && ! $post_parent ) ) {
96	$tr_arr['post_parent'] = $post_parent;
97	}
98	}
99
100	// Update all the row at once
101	// Don't use wp_update_post to avoid infinite loop
102	$wpdb->update( $wpdb->posts, $tr_arr, array( 'ID' => $tr_id ) );
103	clean_post_cache( $tr_id );
104	}
105	}
106	}
107
108	/**
109	* Synchronize term parent in translations
110	* Calling clean_term_cache after this is mandatory otherwise the $taxonomy_children option is not correctly updated
111	* Before WP 3.9 clean_term_cache could be called ( efficiently ) only one time due to static array which prevented to update the option more than once
112	* This is the reason to use the edit_term filter and not edited_term
113	*
114	* @since 2.3
115	*
116	* @param int $term_id Term id
117	* @param string $taxonomy Taxonomy name
118	* @param array $translations The list of translations term ids
119	*/
120	public function sync_term_parent( $term_id, $taxonomy, $translations ) {
121	global $wpdb;
122
123	if ( is_taxonomy_hierarchical( $taxonomy ) && $this->model->is_translated_taxonomy( $taxonomy ) ) {
124	$term = get_term( $term_id );
125
126	foreach ( $translations as $lang => $tr_id ) {
127	if ( ! empty( $tr_id ) && $tr_id !== $term_id && $tr_parent = $this->model->term->get_translation( $term->parent, $lang ) ) {
128	$wpdb->update(
129	$wpdb->term_taxonomy,
130	array( 'parent' => isset( $tr_parent ) ? $tr_parent : 0 ),
131	array( 'term_taxonomy_id' => get_term( (int) $tr_id, $taxonomy )->term_taxonomy_id )
132	);
133
134	clean_term_cache( $tr_id, $taxonomy ); // OK since WP 3.9
135	}
136	}
137	}
138	}
139
140	/**
141	* Synchronizes terms and metas in translations for media
142	*
143	* @since 1.8
144	*
145	* @param int $post_id post id
146	*/
147	public function edit_attachment( $post_id ) {
148	$this->pll_save_post( $post_id, get_post( $post_id ), $this->model->post->get_translations( $post_id ) );
149	}
150
151	/**
152	* Synchronize sticky posts
153	*
154	* @since 2.3
155	*
156	* @param array $value New option value
157	* @param array $old_value Old option value
158	* @return array
159	*/
160	public function sync_sticky_posts( $value, $old_value ) {
161	if ( in_array( 'sticky_posts', $this->options['sync'] ) ) {
162	// Stick post
163	if ( $sticked = array_diff( $value, $old_value ) ) {
164	$translations = $this->model->post->get_translations( reset( $sticked ) );
165	$value = array_unique( array_merge( $value, array_values( $translations ) ) );
166	}
167
168	// Unstick post
169	if ( $unsticked = array_diff( $old_value, $value ) ) {
170	$translations = $this->model->post->get_translations( reset( $unsticked ) );
171	$value = array_unique( array_diff( $value, array_values( $translations ) ) );
172	}
173	}
174
175	return $value;
176	}
177	}
178