jetpack / modules / copy-post.php

copy-post.php in Jetpack – WP Security, Backup, Speed, & Growth 8.3.1, at modules/copy-post.php

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1	<?php
2	/**
3	* Module Name: Copy Post
4	* Module Description: Enable the option to copy entire posts and pages, including tags and settings
5	* Sort Order: 15
6	* First Introduced: 7.0
7	* Requires Connection: No
8	* Auto Activate: No
9	* Module Tags: Writing
10	* Feature: Writing
11	* Additional Search Queries: copy, duplicate
12	*/
13
14	/**
15	* Copy Post class.
16	*/
17	class Jetpack_Copy_Post {
18	/**
19	* Jetpack_Copy_Post_By_Param constructor.
20	* Add row actions to post/page/CPT listing screens.
21	* Process any `?copy` param if on a create new post/page/CPT screen.
22	*
23	* @return void
24	*/
25	public function __construct() {
26	if ( 'edit.php' === $GLOBALS['pagenow'] ) {
27	add_filter( 'post_row_actions', array( $this, 'add_row_action' ), 10, 2 );
28	add_filter( 'page_row_actions', array( $this, 'add_row_action' ), 10, 2 );
29	return;
30	}
31
32	if ( ! empty( $_GET['jetpack-copy'] ) && 'post-new.php' === $GLOBALS['pagenow'] ) {
33	add_action( 'wp_insert_post', array( $this, 'update_post_data' ), 10, 3 );
34	add_filter( 'pre_option_default_post_format', '__return_empty_string' );
35	}
36	}
37
38	/**
39	* Update the new (target) post data with the source post data.
40	*
41	* @param int $target_post_id Target post ID.
42	* @param WP_Post $post Target post object (not used).
43	* @param bool $update Whether this is an existing post being updated or not.
44	* @return void
45	*/
46	public function update_post_data( $target_post_id, $post, $update ) {
47	// This `$update` check avoids infinite loops of trying to update our updated post.
48	if ( $update ) {
49	return;
50	}
51
52	$source_post = get_post( $_GET['jetpack-copy'] );
53	if ( ! $source_post instanceof WP_Post \|\|
54	! $this->user_can_access_post( $source_post->ID ) \|\|
55	! $this->validate_post_type( $source_post ) ) {
56	return;
57	}
58
59	$update_results = array(
60	'update_content' => $this->update_content( $source_post, $target_post_id ),
61	'update_featured_image' => $this->update_featured_image( $source_post, $target_post_id ),
62	'update_post_format' => $this->update_post_format( $source_post, $target_post_id ),
63	'update_likes_sharing' => $this->update_likes_sharing( $source_post, $target_post_id ),
64	'update_post_type_terms' => $this->update_post_type_terms( $source_post, $target_post_id ),
65	);
66
67	// Required to satisfy get_default_post_to_edit(), which has these filters after post creation.
68	add_filter( 'default_title', array( $this, 'filter_title' ), 10, 2 );
69	add_filter( 'default_content', array( $this, 'filter_content' ), 10, 2 );
70	add_filter( 'default_excerpt', array( $this, 'filter_excerpt' ), 10, 2 );
71
72	// Required to avoid the block editor from adding default blocks according to post format.
73	add_filter( 'block_editor_settings', array( $this, 'remove_post_format_template' ) );
74
75	/**
76	* Fires after all updates have been performed, and default content filters have been added.
77	* Allows for any cleanup or post operations, and default content filters can be removed or modified.
78	*
79	* @module copy-post
80	*
81	* @since 7.0.0
82	*
83	* @param WP_Post $source_post Post object that was copied.
84	* @param int $target_post_id Target post ID.
85	* @param array $update_results Results of all update operations, allowing action to be taken.
86	*/
87	do_action( 'jetpack_copy_post', $source_post, $target_post_id, $update_results );
88	}
89
90	/**
91	* Determine if the current user has edit access to the source post.
92	*
93	* @param int $post_id Source post ID (the post being copied).
94	* @return bool True if user has the meta cap of `edit_post` for the given post ID, false otherwise.
95	*/
96	protected function user_can_access_post( $post_id ) {
97	return current_user_can( 'edit_post', $post_id );
98	}
99
100	/**
101	* Update the target post's title, content, excerpt, categories, and tags.
102	*
103	* @param WP_Post $source_post Post object to be copied.
104	* @param int $target_post_id Target post ID.
105	* @return int 0 on failure, or the updated post ID on success.
106	*/
107	protected function update_content( $source_post, $target_post_id ) {
108	$data = array(
109	'ID' => $target_post_id,
110	'post_title' => $source_post->post_title,
111	'post_content' => $source_post->post_content,
112	'post_excerpt' => $source_post->post_excerpt,
113	'comment_status' => $source_post->comment_status,
114	'ping_status' => $source_post->ping_status,
115	'post_category' => $source_post->post_category,
116	'post_password' => $source_post->post_password,
117	'tags_input' => $source_post->tags_input,
118	);
119
120	/**
121	* Fires just before the target post is updated with its new data.
122	* Allows for final data adjustments before updating the target post.
123	*
124	* @module copy-post
125	*
126	* @since 7.0.0
127	*
128	* @param array $data Post data with which to update the target (new) post.
129	* @param WP_Post $source_post Post object being copied.
130	* @param int $target_post_id Target post ID.
131	*/
132	$data = apply_filters( 'jetpack_copy_post_data', $data, $source_post, $target_post_id );
133	return wp_update_post( $data );
134	}
135
136	/**
137	* Update terms for post types.
138	*
139	* @param WP_Post $source_post Post object to be copied.
140	* @param int $target_post_id Target post ID.
141	* @return array Results of attempts to set each term to the target (new) post.
142	*/
143	protected function update_post_type_terms( $source_post, $target_post_id ) {
144	$results = array();
145
146	$bypassed_post_types = apply_filters( 'jetpack_copy_post_bypassed_post_types', array( 'post', 'page' ), $source_post, $target_post_id );
147	if ( in_array( $source_post->post_type, $bypassed_post_types, true ) ) {
148	return $results;
149	}
150
151	$taxonomies = get_object_taxonomies( $source_post, 'objects' );
152	foreach ( $taxonomies as $taxonomy ) {
153	$terms = wp_get_post_terms( $source_post->ID, $taxonomy->name, array( 'fields' => 'ids' ) );
154	$results[] = wp_set_post_terms( $target_post_id, $terms, $taxonomy->name );
155	}
156
157	return $results;
158	}
159
160	/**
161	* Update the target post's featured image.
162	*
163	* @param WP_Post $source_post Post object to be copied.
164	* @param int $target_post_id Target post ID.
165	* @return int\|bool Meta ID if the key didn't exist, true on successful update, false on failure.
166	*/
167	protected function update_featured_image( $source_post, $target_post_id ) {
168	$featured_image_id = get_post_thumbnail_id( $source_post );
169	return update_post_meta( $target_post_id, '_thumbnail_id', $featured_image_id );
170	}
171
172	/**
173	* Update the target post's post format.
174	*
175	* @param WP_Post $source_post Post object to be copied.
176	* @param int $target_post_id Target post ID.
177	* @return array\|WP_Error\|false WP_Error on error, array of affected term IDs on success.
178	*/
179	protected function update_post_format( $source_post, $target_post_id ) {
180	$post_format = get_post_format( $source_post );
181	return set_post_format( $target_post_id, $post_format );
182	}
183
184	/**
185	* Ensure the block editor doesn't modify the source post content for non-standard post formats.
186	*
187	* @param array $settings Settings to be passed into the block editor.
188	* @return array Settings with any `template` key removed.
189	*/
190	public function remove_post_format_template( $settings ) {
191	unset( $settings['template'] );
192	return $settings;
193	}
194
195	/**
196	* Update the target post's Likes and Sharing statuses.
197	*
198	* @param WP_Post $source_post Post object to be copied.
199	* @param int $target_post_id Target post ID.
200	* @return array Array with the results of each update action.
201	*/
202	protected function update_likes_sharing( $source_post, $target_post_id ) {
203	$likes = get_post_meta( $source_post->ID, 'switch_like_status', true );
204	$sharing = get_post_meta( $source_post->ID, 'sharing_disabled', true );
205
206	if ( '' !== $likes ) {
207	$likes_result = update_post_meta( $target_post_id, 'switch_like_status', $likes );
208	} else {
209	$likes_result = null;
210	}
211
212	if ( '' !== $sharing ) {
213	$sharing_result = update_post_meta( $target_post_id, 'sharing_disabled', $sharing );
214	} else {
215	$sharing_result = null;
216	}
217
218	return array(
219	'likes' => $likes_result,
220	'sharing' => $sharing_result,
221	);
222	}
223
224	/**
225	* Update the target post's title.
226	*
227	* @param string $post_title Post title determined by `get_default_post_to_edit()`.
228	* @param WP_Post $post Post object of newly-inserted post.
229	* @return string Updated post title from source post.
230	*/
231	public function filter_title( $post_title, $post ) {
232	return $post->post_title;
233	}
234
235	/**
236	* Update the target post's content (`post_content`).
237	*
238	* @param string $post_content Post content determined by `get_default_post_to_edit()`.
239	* @param WP_Post $post Post object of newly-inserted post.
240	* @return string Updated post content from source post.
241	*/
242	public function filter_content( $post_content, $post ) {
243	return $post->post_content;
244	}
245
246	/**
247	* Update the target post's excerpt.
248	*
249	* @param string $post_excerpt Post excerpt determined by `get_default_post_to_edit()`.
250	* @param WP_Post $post Post object of newly-inserted post.
251	* @return string Updated post excerpt from source post.
252	*/
253	public function filter_excerpt( $post_excerpt, $post ) {
254	return $post->post_excerpt;
255	}
256
257	/**
258	* Validate the post type to be used for the target post.
259	*
260	* @param WP_Post $post Post object of current post in listing.
261	* @return bool True if the post type is in a list of supported psot types; false otherwise.
262	*/
263	protected function validate_post_type( $post ) {
264	/**
265	* Fires when determining if the "Copy" row action should be made available.
266	* Allows overriding supported post types.
267	*
268	* @module copy-post
269	*
270	* @since 7.0.0
271	*
272	* @param array Post types supported by default.
273	* @param WP_Post $post Post object of current post in listing.
274	*/
275	$valid_post_types = apply_filters(
276	'jetpack_copy_post_post_types',
277	array(
278	'post',
279	'page',
280	'jetpack-testimonial',
281	'jetpack-portfolio',
282	),
283	$post
284	);
285	return in_array( $post->post_type, $valid_post_types, true );
286	}
287
288	/**
289	* Add a "Copy" row action to supported posts/pages/CPTs on list views.
290	*
291	* @param array $actions Existing actions.
292	* @param WP_Post $post Post object of current post in list.
293	* @return array Array of updated row actions.
294	*/
295	public function add_row_action( $actions, $post ) {
296	if ( ! $this->user_can_access_post( $post->ID ) \|\|
297	! $post instanceof WP_Post \|\|
298	! $this->validate_post_type( $post ) ) {
299	return $actions;
300	}
301
302	$edit_url = add_query_arg(
303	array(
304	'post_type' => $post->post_type,
305	'jetpack-copy' => $post->ID,
306	),
307	admin_url( 'post-new.php' )
308	);
309	$edit_action = array(
310	'jetpack-copy' => sprintf(
311	'<a href="%s" aria-label="%s">%s</a>',
312	esc_url( $edit_url ),
313	esc_attr__( 'Copy this post.', 'jetpack' ),
314	esc_html__( 'Copy', 'jetpack' )
315	),
316	);
317
318	// Insert the Copy action before the Trash action.
319	$edit_offset = array_search( 'trash', array_keys( $actions ), true );
320	$updated_actions = array_merge(
321	array_slice( $actions, 0, $edit_offset ),
322	$edit_action,
323	array_slice( $actions, $edit_offset )
324	);
325
326	/**
327	* Fires after the new Copy action has been added to the row actions.
328	* Allows changes to the action presentation, or other final checks.
329	*
330	* @module copy-post
331	*
332	* @since 7.0.0
333	*
334	* @param array $updated_actions Updated row actions with the Copy Post action.
335	* @param array $actions Original row actions passed to this filter.
336	* @param WP_Post $post Post object of current post in listing.
337	*/
338	return apply_filters( 'jetpack_copy_post_row_actions', $updated_actions, $actions, $post );
339	}
340	}
341
342	/**
343	* Instantiate an instance of Jetpack_Copy_Post on the `admin_init` hook.
344	*/
345	function jetpack_copy_post_init() {
346	new Jetpack_Copy_Post();
347	}
348	add_action( 'admin_init', 'jetpack_copy_post_init' );
349