polylang / modules / sync / sync.php

sync.php in Polylang 3.3.1, at modules/sync/sync.php

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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	/**
13	* @var PLL_Sync_Tax
14	*/
15	public $taxonomies;
16
17	/**
18	* @var PLL_Sync_Post_Metas
19	*/
20	public $post_metas;
21
22	/**
23	* @var PLL_Sync_Term_Metas
24	*/
25	public $term_metas;
26
27	/**
28	* Stores the plugin options.
29	*
30	* @var array
31	*/
32	protected $options;
33
34	/**
35	* @var PLL_Model
36	*/
37	protected $model;
38
39	/**
40	* Constructor
41	*
42	* @since 1.2
43	*
44	* @param object $polylang
45	*/
46	public function __construct( &$polylang ) {
47	$this->model = &$polylang->model;
48	$this->options = &$polylang->options;
49
50	$this->taxonomies = new PLL_Sync_Tax( $polylang );
51	$this->post_metas = new PLL_Sync_Post_Metas( $polylang );
52	$this->term_metas = new PLL_Sync_Term_Metas( $polylang );
53
54	add_filter( 'wp_insert_post_parent', array( $this, 'can_sync_post_parent' ), 10, 3 );
55	add_filter( 'wp_insert_post_data', array( $this, 'can_sync_post_data' ), 10, 2 );
56
57	add_action( 'pll_save_post', array( $this, 'pll_save_post' ), 10, 3 );
58	add_action( 'created_term', array( $this, 'sync_term_parent' ), 10, 3 );
59	add_action( 'edited_term', array( $this, 'sync_term_parent' ), 10, 3 );
60
61	add_action( 'pll_duplicate_term', array( $this->term_metas, 'copy' ), 10, 3 );
62
63	if ( $this->options['media_support'] ) {
64	add_action( 'pll_translate_media', array( $this->taxonomies, 'copy' ), 10, 3 );
65	add_action( 'pll_translate_media', array( $this->post_metas, 'copy' ), 10, 3 );
66	add_action( 'edit_attachment', array( $this, 'edit_attachment' ) );
67	}
68
69	add_filter( 'pre_update_option_sticky_posts', array( $this, 'sync_sticky_posts' ), 10, 2 );
70	}
71
72	/**
73	* Get post fields to synchronize.
74	*
75	* @since 2.4
76	*
77	* @param WP_Post $post Post object.
78	* @return array
79	*/
80	protected function get_fields_to_sync( $post ) {
81	$postarr = array();
82
83	foreach ( array( 'comment_status', 'ping_status', 'menu_order' ) as $property ) {
84	if ( in_array( $property, $this->options['sync'] ) ) {
85	$postarr[ $property ] = $post->$property;
86	}
87	}
88
89	if ( in_array( 'post_date', $this->options['sync'] ) ) {
90	$postarr['post_date'] = $post->post_date;
91	$postarr['post_date_gmt'] = $post->post_date_gmt;
92	}
93
94	if ( in_array( 'post_parent', $this->options['sync'] ) ) {
95	$postarr['post_parent'] = wp_get_post_parent_id( $post->ID );
96	}
97
98	return $postarr;
99	}
100
101	/**
102	* Prevents synchronized post parent modification if the current user hasn't enough rights
103	*
104	* @since 2.6
105	*
106	* @param int $post_parent Post parent ID
107	* @param int $post_id Post ID, unused
108	* @param array $postarr Array of parsed post data
109	* @return int
110	*/
111	public function can_sync_post_parent( $post_parent, $post_id, $postarr ) {
112	if ( ! empty( $postarr['ID'] ) && ! $this->model->post->current_user_can_synchronize( $postarr['ID'] ) ) {
113	$tr_ids = $this->model->post->get_translations( $postarr['ID'] );
114	foreach ( $tr_ids as $tr_id ) {
115	if ( $tr_id !== $postarr['ID'] && $post = get_post( $tr_id ) ) {
116	$post_parent = $post->post_parent;
117	break;
118	}
119	}
120	}
121	return $post_parent;
122	}
123
124	/**
125	* Prevents synchronized post data modification if the current user hasn't enough rights
126	*
127	* @since 2.6
128	*
129	* @param array $data An array of slashed post data.
130	* @param array $postarr An array of sanitized, but otherwise unmodified post data.
131	* @return array
132	*/
133	public function can_sync_post_data( $data, $postarr ) {
134	if ( ! empty( $postarr['ID'] ) && ! $this->model->post->current_user_can_synchronize( $postarr['ID'] ) ) {
135	foreach ( $this->model->post->get_translations( $postarr['ID'] ) as $tr_id ) {
136	if ( $tr_id !== $postarr['ID'] && $post = get_post( $tr_id ) ) {
137	$to_sync = $this->get_fields_to_sync( $post );
138	$data = array_merge( $data, $to_sync );
139	break;
140	}
141	}
142	}
143	return $data;
144	}
145
146	/**
147	* Synchronizes post fields in translations.
148	*
149	* @since 2.4
150	*
151	* @param int $post_id Post id.
152	* @param WP_Post $post Post object.
153	* @param int[] $translations Post translations.
154	* @return void
155	*/
156	public function pll_save_post( $post_id, $post, $translations ) {
157	global $wpdb;
158
159	if ( $this->model->post->current_user_can_synchronize( $post_id ) ) {
160	$postarr = $this->get_fields_to_sync( $post );
161
162	if ( ! empty( $postarr ) ) {
163	foreach ( $translations as $lang => $tr_id ) {
164	if ( ! $tr_id \|\| $tr_id === $post_id ) {
165	continue;
166	}
167
168	$tr_arr = $postarr;
169	unset( $tr_arr['post_parent'] );
170
171	// Do not udpate the translation parent if the user set a parent with no translation.
172	if ( isset( $postarr['post_parent'] ) ) {
173	$post_parent = $postarr['post_parent'] ? $this->model->post->get_translation( $postarr['post_parent'], $lang ) : 0;
174	if ( ! ( $postarr['post_parent'] && ! $post_parent ) ) {
175	$tr_arr['post_parent'] = $post_parent;
176	}
177	}
178
179	// Update all the rows at once.
180	if ( ! empty( $tr_arr ) ) {
181	// Don't use wp_update_post to avoid infinite loop.
182	$wpdb->update( $wpdb->posts, $tr_arr, array( 'ID' => $tr_id ) );
183	clean_post_cache( $tr_id );
184	}
185	}
186	}
187	}
188	}
189
190	/**
191	* Synchronize term parent in translations
192	* Calling clean_term_cache after this is mandatory otherwise the $taxonomy_children option is not correctly updated
193	*
194	* @since 2.3
195	*
196	* @param int $term_id Term id.
197	* @param int $tt_id Term taxonomy id, not used.
198	* @param string $taxonomy Taxonomy name.
199	* @return void
200	*/
201	public function sync_term_parent( $term_id, $tt_id, $taxonomy ) {
202	global $wpdb;
203
204	if ( is_taxonomy_hierarchical( $taxonomy ) && $this->model->is_translated_taxonomy( $taxonomy ) ) {
205	$term = get_term( $term_id );
206
207	if ( $term instanceof WP_Term ) {
208	$translations = $this->model->term->get_translations( $term_id );
209
210	foreach ( $translations as $lang => $tr_id ) {
211	if ( ! empty( $tr_id ) && $tr_id !== $term_id ) {
212	$tr_parent = $this->model->term->get_translation( $term->parent, $lang );
213	$tr_term = get_term( (int) $tr_id, $taxonomy );
214
215	if ( $tr_term instanceof WP_Term && ! ( $term->parent && empty( $tr_parent ) ) ) {
216	$wpdb->update(
217	$wpdb->term_taxonomy,
218	array( 'parent' => $tr_parent ? $tr_parent : 0 ),
219	array( 'term_taxonomy_id' => $tr_term->term_taxonomy_id )
220	);
221
222	clean_term_cache( $tr_id, $taxonomy ); // OK since WP 3.9.
223	}
224	}
225	}
226	}
227	}
228	}
229
230	/**
231	* Synchronizes terms and metas in translations for media
232	*
233	* @since 1.8
234	*
235	* @param int $post_id post id
236	* @return void
237	*/
238	public function edit_attachment( $post_id ) {
239	$this->pll_save_post( $post_id, get_post( $post_id ), $this->model->post->get_translations( $post_id ) );
240	}
241
242	/**
243	* Synchronize sticky posts.
244	*
245	* @since 2.3
246	*
247	* @param int[] $value New option value.
248	* @param int[] $old_value Old option value.
249	* @return int[]
250	*/
251	public function sync_sticky_posts( $value, $old_value ) {
252	if ( in_array( 'sticky_posts', $this->options['sync'] ) ) {
253	// Stick post
254	if ( $sticked = array_diff( $value, $old_value ) ) {
255	$translations = $this->model->post->get_translations( reset( $sticked ) );
256	$value = array_unique( array_merge( $value, array_values( $translations ) ) );
257	}
258
259	// Unstick post
260	if ( $unsticked = array_diff( $old_value, $value ) ) {
261	$translations = $this->model->post->get_translations( reset( $unsticked ) );
262	$value = array_unique( array_diff( $value, array_values( $translations ) ) );
263	}
264	}
265
266	return $value;
267	}
268	}
269