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Updated WC_REST_Controller::get_fields_for_response()

This commit is contained in:
Claudio Sanches 2020-01-07 15:50:35 -03:00
parent 361326d7f0
commit b4125269a3
1 changed files with 37 additions and 6 deletions
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41
src/Controllers/Version3/class-wc-rest-controller.php
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@ -434,8 +434,9 @@ abstract class WC_REST_Controller extends WP_REST_Controller {
/**
* Gets an array of fields to be included on the response.
*
* Included fields are based on item schema and `_fields=` request argument.
* Introduced to support WordPress 4.9.6 changes.
* Updated from WordPress 5.3, included into this class to support old versions.
*
* @since 3.5.0
* @param WP_REST_Request $request Full details about the request.
@ -443,21 +444,33 @@ abstract class WC_REST_Controller extends WP_REST_Controller {
*/
public function get_fields_for_response( $request ) {
$schema = $this->get_item_schema();
$fields = isset( $schema['properties'] ) ? array_keys( $schema['properties'] ) : array();
$properties = isset( $schema['properties'] ) ? $schema['properties'] : array();
$additional_fields = $this->get_additional_fields();
foreach ( $additional_fields as $field_name => $field_options ) {
// For back-compat, include any field with an empty schema
// because it won't be present in $this->get_item_schema().
if ( is_null( $field_options['schema'] ) ) {
$fields[] = $field_name;
$properties[ $field_name ] = $field_options;
}
}
// Exclude fields that specify a different context than the request context.
$context = $request['context'];
if ( $context ) {
foreach ( $properties as $name => $options ) {
if ( ! empty( $options['context'] ) && ! in_array( $context, $options['context'], true ) ) {
unset( $properties[ $name ] );
}
}
}
$fields = array_keys( $properties );
if ( ! isset( $request['_fields'] ) ) {
return $fields;
}
$requested_fields = is_array( $request['_fields'] ) ? $request['_fields'] : preg_split( '/[\s,]+/', $request['_fields'] );
$requested_fields = wp_parse_list( $request['_fields'] );
if ( 0 === count( $requested_fields ) ) {
return $fields;
}
@ -467,6 +480,24 @@ abstract class WC_REST_Controller extends WP_REST_Controller {
if ( in_array( 'id', $fields, true ) ) {
$requested_fields[] = 'id';
}
return array_intersect( $fields, $requested_fields );
// Return the list of all requested fields which appear in the schema.
return array_reduce(
$requested_fields,
function( $response_fields, $field ) use ( $fields ) {
if ( in_array( $field, $fields, true ) ) {
$response_fields[] = $field;
return $response_fields;
}
// Check for nested fields if $field is not a direct match.
$nested_fields = explode( '.', $field );
// A nested field is included so long as its top-level property is
// present in the schema.
if ( in_array( $nested_fields[0], $fields, true ) ) {
$response_fields[] = $field;
}
return $response_fields;
},
array()
);
}
}