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Media: Migrate the data from the attachment post of the parent image when saving an edited image. Copy:

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- `post_title`,
- `post_content` (image description),
- `post_excerpt` (image caption as saved in the DB),
- `_wp_attachment_image_alt` meta (alt text for the img tag as saved in the DB).

Props spacedmonkey, joedolson, TimothyBlynJacobs, azaozz.
Fixes #50675.

git-svn-id: https://develop.svn.wordpress.org/trunk@48510 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Ozz 2020-07-19 21:17:55 +00:00
parent b39df4606a
commit 030f2a4eee
1 changed files with 26 additions and 12 deletions
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38
src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php
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@ -545,14 +545,23 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
}
// Create new attachment post.
$attachment_post = array(
$new_attachment_post = array(
'post_mime_type' => $saved['mime-type'],
'guid' => $uploads['url'] . "/$filename",
'post_title' => $filename,
'post_title' => $image_name,
'post_content' => '',
);
$new_attachment_id = wp_insert_attachment( wp_slash( $attachment_post ), $saved['path'], 0, true );
// Copy post_content, post_excerpt, and post_title from the edited image's attachment post.
$attachment_post = get_post( $attachment_id );
if ( $attachment_post ) {
$new_attachment_post['post_content'] = $attachment_post->post_content;
$new_attachment_post['post_excerpt'] = $attachment_post->post_excerpt;
$new_attachment_post['post_title'] = $attachment_post->post_title;
}
$new_attachment_id = wp_insert_attachment( wp_slash( $new_attachment_post ), $saved['path'], 0, true );
if ( is_wp_error( $new_attachment_id ) ) {
if ( 'db_update_error' === $new_attachment_id->get_error_code() ) {
@ -564,19 +573,24 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
return $new_attachment_id;
}
// Copy the image alt text from the edited image.
$image_alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt', true );
if ( ! empty( $image_alt ) ) {
// update_post_meta() expects slashed.
update_post_meta( $new_attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
}
// Generate image sub-sizes and meta.
$new_image_meta = wp_generate_attachment_metadata( $new_attachment_id, $saved['path'] );
// Copy the EXIF metadata from the original attachment if not generated for the edited image.
if ( ! empty( $image_meta['image_meta'] ) ) {
$empty_image_meta = true;
if ( isset( $new_image_meta['image_meta'] ) && is_array( $new_image_meta['image_meta'] ) ) {
$empty_image_meta = empty( array_filter( array_values( $new_image_meta['image_meta'] ) ) );
}
if ( $empty_image_meta ) {
$new_image_meta['image_meta'] = $image_meta['image_meta'];
if ( isset( $image_meta['image_meta'] ) && isset( $new_image_meta['image_meta'] ) && is_array( $new_image_meta['image_meta'] ) ) {
// Merge but skip empty values.
foreach ( (array) $image_meta['image_meta'] as $key => $value ) {
if ( empty( $new_image_meta['image_meta'][ $key ] ) && ! empty( $value ) ) {
$new_image_meta['image_meta'][ $key ] = $value;
}
}
}