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Autosave/REST API: Block autosaving from overwriting changes when locked from editing.

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Previously when a user was locked from editing a post in the block editor, autosave functionality was allowed to overwrite changes made by the editor that has taken control. This patch honors the lock status keeping autosave from conflicitng with other content editors. 

Props jhart35, adamsilverstein, sathyapulse, chanthaboune, primetimejas, joemcgill, kadamwhite.
Fixes #55659.


git-svn-id: https://develop.svn.wordpress.org/trunk@54130 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Anthony Burchell
2022-09-11 22:33:29 +00:00
parent 62f25a49d3
commit 244a209480
2 changed files with 76 additions and 1 deletions
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10
src/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php
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@@ -220,7 +220,15 @@ class WP_REST_Autosaves_Controller extends WP_REST_Revisions_Controller {
$prepared_post->ID = $post->ID;
$user_id = get_current_user_id();
if ( ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status ) && $post->post_author == $user_id ) {
// We need to check post lock to ensure the original author didn't leave their browser tab open.
if ( ! function_exists( 'wp_check_post_lock' ) ) {
require_once ABSPATH . 'wp-admin/includes/post.php';
}
$post_lock = wp_check_post_lock( $post->ID );
$is_draft = 'draft' === $post->post_status || 'auto-draft' === $post->post_status;
if ( $is_draft && (int) $post->post_author === $user_id && ! $post_lock ) {
// Draft posts for the same author: autosaving updates the post and does not create a revision.
// Convert the post object to an array and add slashes, wp_update_post() expects escaped array.
$autosave_id = wp_update_post( wp_slash( (array) $prepared_post ), true );