polylang / modules / sync / sync.php

sync.php in Polylang 2.6.5, at modules/sync/sync.php

230 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	$orig_lang = array_search( $postarr['ID'], $tr_ids );
87	foreach ( $tr_ids as $tr_id ) {
88	if ( $tr_id !== $postarr['ID'] && $post = get_post( $tr_id ) ) {
89	$post_parent = $post->post_parent;
90	break;
91	}
92	}
93	}
94	return $post_parent;
95	}
96
97	/**
98	* Prevents synchronized post data modification if the current user hasn't enough rights
99	*
100	* @since 2.6
101	*
102	* @param array $data An array of slashed post data.
103	* @param array $postarr An array of sanitized, but otherwise unmodified post data.
104	* @return array
105	*/
106	public function can_sync_post_data( $data, $postarr ) {
107	if ( ! empty( $postarr['ID'] ) && ! $this->model->post->current_user_can_synchronize( $postarr['ID'] ) ) {
108	foreach ( $this->model->post->get_translations( $postarr['ID'] ) as $tr_id ) {
109	if ( $tr_id !== $postarr['ID'] && $post = get_post( $tr_id ) ) {
110	$to_sync = $this->get_fields_to_sync( $post );
111	$data = array_merge( $data, $to_sync );
112	break;
113	}
114	}
115	}
116	return $data;
117	}
118
119	/**
120	* Synchronizes post fields in translations
121	*
122	* @since 2.4
123	*
124	* @param int $post_id post id
125	* @param object $post post object
126	* @param array $translations post translations
127	*/
128	public function pll_save_post( $post_id, $post, $translations ) {
129	global $wpdb;
130
131	if ( $this->model->post->current_user_can_synchronize( $post_id ) ) {
132	$postarr = $this->get_fields_to_sync( $post );
133
134	if ( ! empty( $postarr ) ) {
135	foreach ( $translations as $lang => $tr_id ) {
136	if ( ! $tr_id \|\| $tr_id === $post_id ) {
137	continue;
138	}
139
140	$tr_arr = $postarr;
141	unset( $tr_arr['post_parent'] );
142
143	// Do not udpate the translation parent if the user set a parent with no translation
144	if ( isset( $postarr['post_parent'] ) ) {
145	$post_parent = $postarr['post_parent'] ? $this->model->post->get_translation( $postarr['post_parent'], $lang ) : 0;
146	if ( ! ( $postarr['post_parent'] && ! $post_parent ) ) {
147	$tr_arr['post_parent'] = $post_parent;
148	}
149	}
150
151	// Update all the row at once
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	* Synchronize term parent in translations
162	* Calling clean_term_cache after this is mandatory otherwise the $taxonomy_children option is not correctly updated
163	*
164	* @since 2.3
165	*
166	* @param int $term_id Term id.
167	* @param int $tt_id Term taxonomy id, not used.
168	* @param string $taxonomy Taxonomy name.
169	*/
170	public function sync_term_parent( $term_id, $tt_id, $taxonomy ) {
171	global $wpdb;
172
173	if ( is_taxonomy_hierarchical( $taxonomy ) && $this->model->is_translated_taxonomy( $taxonomy ) ) {
174	$term = get_term( $term_id );
175	$translations = $this->model->term->get_translations( $term_id );
176
177	foreach ( $translations as $lang => $tr_id ) {
178	if ( ! empty( $tr_id ) && $tr_id !== $term_id ) {
179	$tr_parent = $this->model->term->get_translation( $term->parent, $lang );
180	$wpdb->update(
181	$wpdb->term_taxonomy,
182	array( 'parent' => isset( $tr_parent ) ? $tr_parent : 0 ),
183	array( 'term_taxonomy_id' => get_term( (int) $tr_id, $taxonomy )->term_taxonomy_id )
184	);
185
186	clean_term_cache( $tr_id, $taxonomy ); // OK since WP 3.9
187	}
188	}
189	}
190	}
191
192	/**
193	* Synchronizes terms and metas in translations for media
194	*
195	* @since 1.8
196	*
197	* @param int $post_id post id
198	*/
199	public function edit_attachment( $post_id ) {
200	$this->pll_save_post( $post_id, get_post( $post_id ), $this->model->post->get_translations( $post_id ) );
201	}
202
203	/**
204	* Synchronize sticky posts
205	*
206	* @since 2.3
207	*
208	* @param array $value New option value
209	* @param array $old_value Old option value
210	* @return array
211	*/
212	public function sync_sticky_posts( $value, $old_value ) {
213	if ( in_array( 'sticky_posts', $this->options['sync'] ) ) {
214	// Stick post
215	if ( $sticked = array_diff( $value, $old_value ) ) {
216	$translations = $this->model->post->get_translations( reset( $sticked ) );
217	$value = array_unique( array_merge( $value, array_values( $translations ) ) );
218	}
219
220	// Unstick post
221	if ( $unsticked = array_diff( $old_value, $value ) ) {
222	$translations = $this->model->post->get_translations( reset( $unsticked ) );
223	$value = array_unique( array_diff( $value, array_values( $translations ) ) );
224	}
225	}
226
227	return $value;
228	}
229	}
230