polylang / modules / sync / sync.php

sync.php in Polylang 2.9, at modules/sync/sync.php

234 lines 6.9 KB

Raw Download Zip

1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	/**
7	* Manages copy and synchronization of terms and post metas on front
8	*
9	* @since 2.4
10	*/
11	class PLL_Sync {
12	public $taxonomies, $post_metas, $term_meta;
13
14	/**
15	* Constructor
16	*
17	* @since 1.2
18	*
19	* @param object $polylang
20	*/
21	public function __construct( &$polylang ) {
22	$this->model = &$polylang->model;
23	$this->options = &$polylang->options;
24
25	$this->taxonomies = new PLL_Sync_Tax( $polylang );
26	$this->post_metas = new PLL_Sync_Post_Metas( $polylang );
27	$this->term_metas = new PLL_Sync_Term_Metas( $polylang );
28
29	add_filter( 'wp_insert_post_parent', array( $this, 'can_sync_post_parent' ), 10, 3 );
30	add_filter( 'wp_insert_post_data', array( $this, 'can_sync_post_data' ), 10, 2 );
31
32	add_action( 'pll_save_post', array( $this, 'pll_save_post' ), 10, 3 );
33	add_action( 'created_term', array( $this, 'sync_term_parent' ), 10, 3 );
34	add_action( 'edited_term', array( $this, 'sync_term_parent' ), 10, 3 );
35
36	add_action( 'pll_duplicate_term', array( $this->term_metas, 'copy' ), 10, 3 );
37
38	if ( $this->options['media_support'] ) {
39	add_action( 'pll_translate_media', array( $this->taxonomies, 'copy' ), 10, 3 );
40	add_action( 'pll_translate_media', array( $this->post_metas, 'copy' ), 10, 3 );
41	add_action( 'edit_attachment', array( $this, 'edit_attachment' ) );
42	}
43
44	add_filter( 'pre_update_option_sticky_posts', array( $this, 'sync_sticky_posts' ), 10, 2 );
45	}
46
47	/**
48	* Get post fields to synchornize
49	*
50	* @since 2.4
51	*
52	* @param object $post Post object
53	* @return array
54	*/
55	protected function get_fields_to_sync( $post ) {
56	$postarr = array();
57
58	foreach ( array( 'comment_status', 'ping_status', 'menu_order' ) as $property ) {
59	if ( in_array( $property, $this->options['sync'] ) ) {
60	$postarr[ $property ] = $post->$property;
61	}
62	}
63
64	if ( in_array( 'post_date', $this->options['sync'] ) ) {
65	$postarr['post_date'] = $post->post_date;
66	$postarr['post_date_gmt'] = $post->post_date_gmt;
67	}
68
69	if ( in_array( 'post_parent', $this->options['sync'] ) ) {
70	$postarr['post_parent'] = wp_get_post_parent_id( $post->ID );
71	}
72
73	return $postarr;
74	}
75
76	/**
77	* Prevents synchronized post parent modification if the current user hasn't enough rights
78	*
79	* @since 2.6
80	*
81	* @param int $post_parent Post parent ID
82	* @param int $post_id Post ID, unused
83	* @param array $postarr Array of parsed post data
84	* @return int
85	*/
86	public function can_sync_post_parent( $post_parent, $post_id, $postarr ) {
87	if ( ! empty( $postarr['ID'] ) && ! $this->model->post->current_user_can_synchronize( $postarr['ID'] ) ) {
88	$tr_ids = $this->model->post->get_translations( $postarr['ID'] );
89	foreach ( $tr_ids as $tr_id ) {
90	if ( $tr_id !== $postarr['ID'] && $post = get_post( $tr_id ) ) {
91	$post_parent = $post->post_parent;
92	break;
93	}
94	}
95	}
96	return $post_parent;
97	}
98
99	/**
100	* Prevents synchronized post data modification if the current user hasn't enough rights
101	*
102	* @since 2.6
103	*
104	* @param array $data An array of slashed post data.
105	* @param array $postarr An array of sanitized, but otherwise unmodified post data.
106	* @return array
107	*/
108	public function can_sync_post_data( $data, $postarr ) {
109	if ( ! empty( $postarr['ID'] ) && ! $this->model->post->current_user_can_synchronize( $postarr['ID'] ) ) {
110	foreach ( $this->model->post->get_translations( $postarr['ID'] ) as $tr_id ) {
111	if ( $tr_id !== $postarr['ID'] && $post = get_post( $tr_id ) ) {
112	$to_sync = $this->get_fields_to_sync( $post );
113	$data = array_merge( $data, $to_sync );
114	break;
115	}
116	}
117	}
118	return $data;
119	}
120
121	/**
122	* Synchronizes post fields in translations
123	*
124	* @since 2.4
125	*
126	* @param int $post_id post id
127	* @param object $post post object
128	* @param array $translations post translations
129	*/
130	public function pll_save_post( $post_id, $post, $translations ) {
131	global $wpdb;
132
133	if ( $this->model->post->current_user_can_synchronize( $post_id ) ) {
134	$postarr = $this->get_fields_to_sync( $post );
135
136	if ( ! empty( $postarr ) ) {
137	foreach ( $translations as $lang => $tr_id ) {
138	if ( ! $tr_id \|\| $tr_id === $post_id ) {
139	continue;
140	}
141
142	$tr_arr = $postarr;
143	unset( $tr_arr['post_parent'] );
144
145	// Do not udpate the translation parent if the user set a parent with no translation.
146	if ( isset( $postarr['post_parent'] ) ) {
147	$post_parent = $postarr['post_parent'] ? $this->model->post->get_translation( $postarr['post_parent'], $lang ) : 0;
148	if ( ! ( $postarr['post_parent'] && ! $post_parent ) ) {
149	$tr_arr['post_parent'] = $post_parent;
150	}
151	}
152
153	// Update all the rows at once.
154	if ( ! empty( $tr_arr ) ) {
155	// Don't use wp_update_post to avoid infinite loop.
156	$wpdb->update( $wpdb->posts, $tr_arr, array( 'ID' => $tr_id ) );
157	clean_post_cache( $tr_id );
158	}
159	}
160	}
161	}
162	}
163
164	/**
165	* Synchronize term parent in translations
166	* Calling clean_term_cache after this is mandatory otherwise the $taxonomy_children option is not correctly updated
167	*
168	* @since 2.3
169	*
170	* @param int $term_id Term id.
171	* @param int $tt_id Term taxonomy id, not used.
172	* @param string $taxonomy Taxonomy name.
173	*/
174	public function sync_term_parent( $term_id, $tt_id, $taxonomy ) {
175	global $wpdb;
176
177	if ( is_taxonomy_hierarchical( $taxonomy ) && $this->model->is_translated_taxonomy( $taxonomy ) ) {
178	$term = get_term( $term_id );
179	$translations = $this->model->term->get_translations( $term_id );
180
181	foreach ( $translations as $lang => $tr_id ) {
182	if ( ! empty( $tr_id ) && $tr_id !== $term_id ) {
183	$tr_parent = $this->model->term->get_translation( $term->parent, $lang );
184	$wpdb->update(
185	$wpdb->term_taxonomy,
186	array( 'parent' => isset( $tr_parent ) ? $tr_parent : 0 ),
187	array( 'term_taxonomy_id' => get_term( (int) $tr_id, $taxonomy )->term_taxonomy_id )
188	);
189
190	clean_term_cache( $tr_id, $taxonomy ); // OK since WP 3.9
191	}
192	}
193	}
194	}
195
196	/**
197	* Synchronizes terms and metas in translations for media
198	*
199	* @since 1.8
200	*
201	* @param int $post_id post id
202	*/
203	public function edit_attachment( $post_id ) {
204	$this->pll_save_post( $post_id, get_post( $post_id ), $this->model->post->get_translations( $post_id ) );
205	}
206
207	/**
208	* Synchronize sticky posts
209	*
210	* @since 2.3
211	*
212	* @param array $value New option value
213	* @param array $old_value Old option value
214	* @return array
215	*/
216	public function sync_sticky_posts( $value, $old_value ) {
217	if ( in_array( 'sticky_posts', $this->options['sync'] ) ) {
218	// Stick post
219	if ( $sticked = array_diff( $value, $old_value ) ) {
220	$translations = $this->model->post->get_translations( reset( $sticked ) );
221	$value = array_unique( array_merge( $value, array_values( $translations ) ) );
222	}
223
224	// Unstick post
225	if ( $unsticked = array_diff( $old_value, $value ) ) {
226	$translations = $this->model->post->get_translations( reset( $unsticked ) );
227	$value = array_unique( array_diff( $value, array_values( $translations ) ) );
228	}
229	}
230
231	return $value;
232	}
233	}
234