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Merge image meta data

This commit is contained in:
Mike Jolley 2018-01-26 13:35:11 +00:00
parent 4a3124ba46
commit 06e84b7af3
1 changed files with 47 additions and 17 deletions
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64
includes/class-wc-regenerate-images-request.php
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@ -48,6 +48,26 @@ class WC_Regenerate_Images_Request extends WP_Background_Process {
parent::dispatch();
}
/**
* Determines whether an attachment can have its thumbnails regenerated.
*
* Adapted from Regenerate Thumbnails by Alex Mills.
*
* @param WP_Post $attachment An attachment's post object.
* @return bool Whether the given attachment can have its thumbnails regenerated.
*/
protected function is_regeneratable( $attachment ) {
if ( 'site-icon' === get_post_meta( $attachment->ID, '_wp_attachment_context', true ) ) {
return false;
}
if ( wp_attachment_is_image( $attachment ) ) {
return true;
}
return false;
}
/**
* Code to execute for each item in the queue
*
@ -59,19 +79,19 @@ class WC_Regenerate_Images_Request extends WP_Background_Process {
return false;
}
// This is needed to prevent timeouts due to threading. See https://core.trac.wordpress.org/ticket/36534.
@putenv( 'MAGICK_THREAD_LIMIT=1' ); // @codingStandardsIgnoreLine.
$attachment_id = absint( $item['attachment_id'] );
$attachment = get_post( $attachment_id );
if ( ! $attachment || 'attachment' !== $attachment->post_type || ! $this->is_regeneratable( $attachment ) ) {
return false;
}
if ( ! function_exists( 'wp_crop_image' ) ) {
include ABSPATH . 'wp-admin/includes/image.php';
}
$attachment_id = absint( $item['attachment_id'] );
$attachment = get_post( $attachment_id );
if ( ! $attachment || 'attachment' !== $attachment->post_type || 'image/' !== substr( $attachment->post_mime_type, 0, 6 ) ) {
return false;
}
// This is needed to prevent timeouts due to threading. See https://core.trac.wordpress.org/ticket/36534.
@putenv( 'MAGICK_THREAD_LIMIT=1' ); // @codingStandardsIgnoreLine.
$log = wc_get_logger();
@ -93,19 +113,29 @@ class WC_Regenerate_Images_Request extends WP_Background_Process {
add_filter( 'intermediate_image_sizes', array( $this, 'adjust_intermediate_image_sizes' ) );
// This function will generate the new image sizes.
$metadata = wp_generate_attachment_metadata( $attachment->ID, $fullsizepath );
// If something went wrong lets just remove the item from the queue.
if ( is_wp_error( $metadata ) || empty( $metadata ) ) {
return false;
}
// Update the meta data with the new size values.
wp_update_attachment_metadata( $attachment->ID, $metadata );
$new_metadata = wp_generate_attachment_metadata( $attachment->ID, $fullsizepath );
// Remove custom filter.
remove_filter( 'intermediate_image_sizes', array( $this, 'adjust_intermediate_image_sizes' ) );
// If something went wrong lets just remove the item from the queue.
if ( is_wp_error( $new_metadata ) || empty( $new_metadata ) ) {
return false;
}
$old_metadata = wp_get_attachment_metadata( $attachment->ID );
if ( ! empty( $old_metadata ) && ! empty( $old_metadata['sizes'] ) && is_array( $old_metadata['sizes'] ) ) {
foreach ( $old_metadata['sizes'] as $old_size => $old_size_data ) {
if ( empty( $new_metadata['sizes'][ $old_size ] ) ) {
$new_metadata['sizes'][ $old_size ] = $old_metadata['sizes'][ $old_size ];
}
}
}
// Update the meta data with the new size values.
wp_update_attachment_metadata( $attachment->ID, $new_metadata );
// We made it till the end, now lets remove the item from the queue.
return false;
}