polylang / modules / sync / sync.php

sync.php in Polylang 2.7, at modules/sync/sync.php

231 lines 6.9 KB

Raw Download Zip

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