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REST API: Introduce the rest_preload_api_request() function.

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This function helps perform multiple REST API requests, for the purpose of preloading data into a page.

See #45110.


Built from https://develop.svn.wordpress.org/branches/5.0@43763


git-svn-id: http://core.svn.wordpress.org/branches/5.0@43592 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Gary Pendergast 2018-10-19 08:57:40 +00:00
parent de323bc14c
commit 2ccaeedbda
2 changed files with 54 additions and 1 deletions
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53
wp-includes/rest-api.php
View File

@ -1311,3 +1311,56 @@ function rest_sanitize_value_from_schema( $value, $args ) {
return $value;
}
/**
* Append result of internal request to REST API for purpose of preloading data to be attached to a page.
* Expected to be called in the context of `array_reduce`.
*
* @since 5.0.0
*
* @param array $memo Reduce accumulator.
* @param string $path REST API path to preload.
* @return array Modified reduce accumulator.
*/
function rest_preload_api_request( $memo, $path ) {
// array_reduce() doesn't support passing an array in PHP 5.2, so we need to make sure we start with one.
if ( ! is_array( $memo ) ) {
$memo = array();
}
if ( empty( $path ) ) {
return $memo;
}
$path_parts = parse_url( $path );
if ( false === $path_parts ) {
return $memo;
}
$request = new WP_REST_Request( 'GET', $path_parts['path'] );
if ( ! empty( $path_parts['query'] ) ) {
parse_str( $path_parts['query'], $query_params );
$request->set_query_params( $query_params );
}
$response = rest_do_request( $request );
if ( 200 === $response->status ) {
$server = rest_get_server();
$data = (array) $response->get_data();
if ( method_exists( $server, 'get_compact_response_links' ) ) {
$links = call_user_func( array( $server, 'get_compact_response_links' ), $response );
} else {
$links = call_user_func( array( $server, 'get_response_links' ), $response );
}
if ( ! empty( $links ) ) {
$data['_links'] = $links;
}
$memo[ $path ] = array(
'body' => $data,
'headers' => $response->headers,
);
}
return $memo;
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.0-alpha-43762';
$wp_version = '5.0-alpha-43763';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.