'id' => array(
'description' => __( 'The ID for the autosave.' ),
'type' => 'integer',
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this->revisions_controller, 'get_item_permissions_check' ),
'args' => array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Prepares the item for the REST response.
*
* @since 6.4.0
*
* @param WP_Post $item Post revision object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
$template = _build_block_template_result_from_post( $item );
$response = $this->parent_controller->prepare_item_for_response( $template, $request );
$fields = $this->get_fields_for_response( $request );
$data = $response->get_data();
if ( in_array( 'parent', $fields, true ) ) {
$data['parent'] = (int) $item->post_parent;
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = new WP_REST_Response( $data );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$links = $this->prepare_links( $template );
$response->add_links( $links );
}
return $response;
}
/**
* Gets the autosave, if the ID is valid.
*
* @since 6.4.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Post|WP_Error Autosave post object if ID is valid, WP_Error otherwise.
*/
public function get_item( $request ) {
$parent = $this->get_parent( $request['parent'] );
if ( is_wp_error( $parent ) ) {
return $parent;
}
$autosave = wp_get_post_autosave( $parent->ID );
if ( ! $autosave ) {
return new WP_Error(
'rest_post_no_autosave',
__( 'There is no autosave revision for this template.' ),
array( 'status' => 404 )
);
}
$response = $this->prepare_item_for_response( $autosave, $request );
return $response;
}
/**
* Get the parent post.
*
* @since 6.4.0
*
* @param int $parent_id Supplied ID.
* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
*/
protected function get_parent( $parent_id ) {
return $this->revisions_controller->get_parent( $parent_id );
}
/**
* Prepares links for the request.
*
* @since 6.4.0
*
* @param WP_Block_Template $template Template.
* @return array Links for the given post.
*/
protected function prepare_links( $template ) {
$links = array(
'self' => array(
'href' => rest_url( sprintf( '/%s/%s/%s/%s/%d', $this->namespace, $this->parent_base, $template->id, $this->rest_base, $template->wp_id ) ),
),
'parent' => array(
'href' => rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->parent_base, $template->id ) ),
),
);
return $links;
}
/**
* Retrieves the autosave's schema, conforming to JSON Schema.
*
* @since 6.4.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$this->schema = $this->revisions_controller->get_item_schema();
return $this->add_additional_fields_schema( $this->schema );
}
}
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