556 lines
18 KiB
PHP
556 lines
18 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
// Exit if accessed directly.
|
||
|
|
if ( ! defined( 'ABSPATH' ) ) {
|
||
|
|
exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// If class is already defined, return.
|
||
|
|
if ( class_exists( 'ACF_Rest_Api' ) ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
class ACF_Rest_Api {
|
||
|
|
|
||
|
|
/** @var ACF_Rest_Request */
|
||
|
|
private $request;
|
||
|
|
|
||
|
|
/** @var ACF_Rest_Embed_Links */
|
||
|
|
private $embed_links;
|
||
|
|
|
||
|
|
public function __construct() {
|
||
|
|
add_filter( 'rest_pre_dispatch', array( $this, 'initialize' ), 10, 3 );
|
||
|
|
add_action( 'rest_api_init', array( $this, 'register_field' ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
public function initialize( $response, $handler, $request ) {
|
||
|
|
if ( ! acf_get_setting( 'rest_api_enabled' ) ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Parse request and set the object for local access.
|
||
|
|
$this->request = new ACF_Rest_Request();
|
||
|
|
$this->request->parse_request( $request );
|
||
|
|
|
||
|
|
// Register the 'acf' REST property.
|
||
|
|
$this->register_field();
|
||
|
|
|
||
|
|
// If embed links are enabled in ACF's global settings, init the handler and set for local access.
|
||
|
|
if ( acf_get_setting( 'rest_api_embed_links' ) ) {
|
||
|
|
$this->embed_links = new ACF_Rest_Embed_Links();
|
||
|
|
$this->embed_links->initialize();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register our custom property as a REST field.
|
||
|
|
*/
|
||
|
|
public function register_field() {
|
||
|
|
if ( ! acf_get_setting( 'rest_api_enabled' ) ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! $this->request instanceof ACF_Rest_Request ) {
|
||
|
|
$this->request = new ACF_Rest_Request();
|
||
|
|
$this->request->parse_request( null );
|
||
|
|
}
|
||
|
|
|
||
|
|
$base = $this->request->object_sub_type;
|
||
|
|
|
||
|
|
// If the object sub type ($post_type, $taxonomy, 'user') cannot be determined from the current request,
|
||
|
|
// we don't know what endpoint to register the field against. Bail if that is the case.
|
||
|
|
if ( ! $base ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $this->request->child_object_type ) {
|
||
|
|
$base = $this->request->child_object_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
// If we've already registered this route, no need to do it again.
|
||
|
|
if ( acf_did( 'acf/register_rest_field' ) ) {
|
||
|
|
global $wp_rest_additional_fields;
|
||
|
|
|
||
|
|
if ( isset( $wp_rest_additional_fields[ $base ], $wp_rest_additional_fields[ $base ]['acf'] ) ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
register_rest_field(
|
||
|
|
$base,
|
||
|
|
'acf',
|
||
|
|
array(
|
||
|
|
'schema' => $this->get_schema(),
|
||
|
|
'get_callback' => array( $this, 'load_fields' ),
|
||
|
|
'update_callback' => array( $this, 'update_fields' ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Dynamically generate the schema for the current request.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function get_schema() {
|
||
|
|
$schema = array(
|
||
|
|
'description' => 'ACF field data',
|
||
|
|
'type' => 'object',
|
||
|
|
'properties' => array(),
|
||
|
|
'arg_options' => array(
|
||
|
|
'validate_callback' => array( $this, 'validate_rest_arg' ),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
|
||
|
|
// If we don't have an object type, we can't determine the schema for the current request.
|
||
|
|
$object_type = $this->request->object_type;
|
||
|
|
if ( ! $object_type ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
$object_id = $this->request->get_url_param( 'id' );
|
||
|
|
$child_id = $this->request->get_url_param( 'child_id' );
|
||
|
|
$object_sub_type = $this->request->object_sub_type;
|
||
|
|
|
||
|
|
if ( $child_id ) {
|
||
|
|
$object_id = $child_id;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! $object_id ) {
|
||
|
|
$field_groups = $this->get_field_groups_by_object_type( $object_type );
|
||
|
|
} else {
|
||
|
|
$field_groups = $this->get_field_groups_by_id( $object_id, $object_type, $object_sub_type );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( empty( $field_groups ) ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ( $field_groups as $field_group ) {
|
||
|
|
foreach ( $this->get_fields( $field_group, $object_id ) as $field ) {
|
||
|
|
$schema['properties'][ $field['name'] ] = acf_get_field_rest_schema( $field );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validate the request args. Mostly a wrapper for `rest_validate_request_arg()`, but also
|
||
|
|
* fires off a filter, so we can add some custom validation for specific fields.
|
||
|
|
*
|
||
|
|
* This will likely no longer be needed once WordPress implements something like `validate_callback`
|
||
|
|
* and `sanitize_callback` for nested schema properties, see:
|
||
|
|
* https://core.trac.wordpress.org/ticket/49960
|
||
|
|
*
|
||
|
|
* @param mixed $value
|
||
|
|
* @param \WP_REST_Request $request
|
||
|
|
* @param string $param
|
||
|
|
*
|
||
|
|
* @return bool|WP_Error
|
||
|
|
*/
|
||
|
|
public function validate_rest_arg( $value, $request, $param ) {
|
||
|
|
// Validate all fields with default WordPress validation first.
|
||
|
|
$valid = rest_validate_request_arg( $value, $request, $param );
|
||
|
|
|
||
|
|
if ( true !== $valid ) {
|
||
|
|
return $valid;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ( $value as $field_name => $field_value ) {
|
||
|
|
$field = acf_get_field( $field_name );
|
||
|
|
|
||
|
|
if ( ! $field ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filters whether a value passed via REST is valid.
|
||
|
|
*
|
||
|
|
* @since 5.11
|
||
|
|
*
|
||
|
|
* @param bool $valid True if the value is valid, false or WP_Error if not.
|
||
|
|
* @param mixed $value The value to check.
|
||
|
|
* @param array $field An array of information about the field.
|
||
|
|
*/
|
||
|
|
$valid = apply_filters( 'acf/validate_rest_value/type=' . $field['type'], true, $field_value, $field );
|
||
|
|
|
||
|
|
if ( true !== $valid ) {
|
||
|
|
return $valid;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load field values into the requested object. This method is not a part of any public API and is only public as
|
||
|
|
* it is required by WordPress.
|
||
|
|
*
|
||
|
|
* @param array $object An array representation of the post, term, or user object.
|
||
|
|
* @param string $field_name
|
||
|
|
* @param WP_REST_Request $request
|
||
|
|
* @param string $object_sub_type Note that this isn't the same as $this->object_type. This variable is
|
||
|
|
* more specific and can be a post type or taxonomy.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function load_fields( $object, $field_name, $request, $object_sub_type ) {
|
||
|
|
// The fields loaded for display on the REST API in the form of {$field_name}=>{$field_value} pairs.
|
||
|
|
$fields = array();
|
||
|
|
|
||
|
|
// Determine the object ID from the given object.
|
||
|
|
$object_id = acf_get_object_id( $object );
|
||
|
|
|
||
|
|
// Use this object type parsed from the request.
|
||
|
|
$object_type = $this->request->object_type;
|
||
|
|
|
||
|
|
// Object ID and type are essential to determining which fields to load. Return if we don't have both.
|
||
|
|
if ( ! $object_id or ! $object_type ) {
|
||
|
|
return $fields;
|
||
|
|
}
|
||
|
|
|
||
|
|
$object_sub_type = str_replace( '-revision', '', $object_sub_type );
|
||
|
|
|
||
|
|
// Get all field groups for the current object.
|
||
|
|
$field_groups = $this->get_field_groups_by_id( $object_id, $object_type, $object_sub_type );
|
||
|
|
if ( empty( $field_groups ) ) {
|
||
|
|
return $fields;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Determine the ACF ID string for the current object.
|
||
|
|
$post_id = $this->make_identifier( $object_id, $object_type );
|
||
|
|
|
||
|
|
// Loop through the fields within all applicable field groups and add the fields to the response.
|
||
|
|
foreach ( $field_groups as $field_group ) {
|
||
|
|
foreach ( $this->get_fields( $field_group, $object_id ) as $field ) {
|
||
|
|
$value = acf_get_value( $post_id, $field );
|
||
|
|
|
||
|
|
if ( $this->embed_links ) {
|
||
|
|
$this->embed_links->prepare_links( $post_id, $field );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Format the field value according to the request params.
|
||
|
|
$format = $request->get_param( 'acf_format' ) ?: acf_get_setting( 'rest_api_format' );
|
||
|
|
$value = acf_format_value_for_rest( $value, $post_id, $field, $format );
|
||
|
|
|
||
|
|
$fields[ $field['name'] ] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reset the store so that REST API values (which may be preloaded
|
||
|
|
* by WP core and have different values than standard values) aren't
|
||
|
|
* saved to the store.
|
||
|
|
*/
|
||
|
|
acf_get_store( 'values' )->reset();
|
||
|
|
|
||
|
|
return $fields;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update any incoming field values for the given object. This method is not a part of any public API and is only
|
||
|
|
* public as it is required by WordPress.
|
||
|
|
*
|
||
|
|
* @param array $data
|
||
|
|
* @param WP_Post|WP_Term|WP_User $object
|
||
|
|
* @param string $property 'acf'
|
||
|
|
* @param WP_REST_Request $request
|
||
|
|
* @param string $object_sub_type This will be the post type, the taxonomy, or 'user'.
|
||
|
|
* @return bool|WP_Error
|
||
|
|
*/
|
||
|
|
public function update_fields( $data, $object, $property, $request, $object_sub_type ) {
|
||
|
|
// If 'acf' data object is empty, don't do anything.
|
||
|
|
if ( empty( $data ) ) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Determine the object context (type & ID). If the context can't be determined from the current request, throw an
|
||
|
|
// error as the fields are not updateable. This handles in line with WordPress' \WP_REST_Request::sanitize_params().
|
||
|
|
$object_id = acf_get_object_id( $object );
|
||
|
|
$object_type = $this->request->object_type;
|
||
|
|
if ( ! $object_id or ! $object_type ) {
|
||
|
|
return new WP_Error(
|
||
|
|
'acf_rest_object_unknown',
|
||
|
|
__( sprintf( 'Unable to determine the %s object ID or type. The %s property cannot be updated.', get_class( $object ), $property ), 'acf' ),
|
||
|
|
array( 'status' => 400 )
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Determine the ACF selector for the current object.
|
||
|
|
$post_id = $this->make_identifier( $object_id, $object_type );
|
||
|
|
|
||
|
|
// Allow unrestricted update of fields by field key when saving via the WordPress admin. Admin mode will
|
||
|
|
// update fields using their field keys to lookup the field. The field lookup is not scoped to field groups
|
||
|
|
// located on the given object so any field can be updated. Given the field keys are not defined in the
|
||
|
|
// schema, core validation/sanitisation are also bypassed.
|
||
|
|
// if ( $this->is_admin_mode( $data ) ) {
|
||
|
|
// Loop through payload and save fields using field keys.
|
||
|
|
// foreach ( $data as $field_key => $value ) {
|
||
|
|
// if ( $field = acf_get_field( $field_key ) ) {
|
||
|
|
// acf_update_value( $value, $post_id, $field );
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
//
|
||
|
|
// return true;
|
||
|
|
// }
|
||
|
|
|
||
|
|
// todo - consider/discuss handling this in the request object instead
|
||
|
|
// If the incoming data defines field group keys, extract it from the data. This is used to scope the
|
||
|
|
// field lookup in \ACF_Rest_Api::get_field_groups_by_id();
|
||
|
|
$field_group_scope = acf_extract_var( $data, '_acf_field_group_scope', array() );
|
||
|
|
|
||
|
|
// Get all field groups for the current object.
|
||
|
|
$field_groups = $this->get_field_groups_by_id( $object_id, $object_type, $object_sub_type, $field_group_scope );
|
||
|
|
if ( empty( $field_groups ) ) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Collect all fields from matching field groups.
|
||
|
|
$all_fields = array();
|
||
|
|
foreach ( $field_groups as $field_group ) {
|
||
|
|
if ( $fields = $this->get_fields( $field_group, $object_id ) ) {
|
||
|
|
$all_fields = array_merge( $fields, $all_fields );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $all_fields ) {
|
||
|
|
// todo - consider/discuss handling this in the request object instead.
|
||
|
|
// If the incoming request has a map of field names to keys, extract it for use in the subsequent
|
||
|
|
// field search.
|
||
|
|
$field_key_map = acf_extract_var( $data, '_acf_field_key_map', array() );
|
||
|
|
|
||
|
|
// Loop through the inbound data payload, find the field matching the incoming field name, and
|
||
|
|
// update the field.
|
||
|
|
foreach ( $data as $field_name => $value ) {
|
||
|
|
|
||
|
|
// If the field name has a key explicitly mapped to it, use the field key to find the field.
|
||
|
|
if ( isset( $field_key_map[ $field_name ] ) ) {
|
||
|
|
$field_name = $field_key_map[ $field_name ];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $field = acf_search_fields( $field_name, $all_fields ) ) {
|
||
|
|
acf_update_value( $value, $post_id, $field );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// todo - this should check for a flag and validate a nonce to ensure we are in admin mode.
|
||
|
|
// todo - consider/discuss handling this in the request object instead.
|
||
|
|
private function is_admin_mode( $data ) {
|
||
|
|
return isset( $data['_acf_admin_mode'] ) && $data['_acf_admin_mode'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Make the ACF identifier string for the given object.
|
||
|
|
*
|
||
|
|
* @param int $object_id
|
||
|
|
* @param string $object_type 'user', 'term', or 'post'
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
private function make_identifier( $object_id, $object_type ) {
|
||
|
|
$formats = array(
|
||
|
|
'user' => 'user_%s',
|
||
|
|
'term' => 'term_%s',
|
||
|
|
'comment' => 'comment_%s',
|
||
|
|
);
|
||
|
|
|
||
|
|
return isset( $formats[ $object_type ] )
|
||
|
|
? sprintf( $formats[ $object_type ], $object_id )
|
||
|
|
: $object_id;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets an array of the location types that a field group is configured to use.
|
||
|
|
*
|
||
|
|
* @param string $object_type 'user', 'term', or 'post'
|
||
|
|
* @param array $field_group The field group to check.
|
||
|
|
* @param array $location_types An array of location types.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
private function object_type_has_field_group( $object_type, $field_group, $location_types = array() ) {
|
||
|
|
if ( ! isset( $field_group['location'] ) || ! is_array( $field_group['location'] ) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$location_types = empty( $location_types ) ? acf_get_location_types() : $location_types;
|
||
|
|
|
||
|
|
foreach ( $field_group['location'] as $rule_group ) {
|
||
|
|
$match = false;
|
||
|
|
foreach ( $rule_group as $rule ) {
|
||
|
|
$rule = acf_validate_location_rule( $rule );
|
||
|
|
|
||
|
|
if ( ! isset( $location_types[ $rule['param'] ] ) ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make sure the main object type matches.
|
||
|
|
$location_type = $location_types[ $rule['param'] ];
|
||
|
|
if ( ! isset( $location_type->object_type ) || $location_type->object_type !== (string) $object_type ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* For posts/pages, we can only be sure that fields will show up if
|
||
|
|
* the field group is configured to show up for all items of the current
|
||
|
|
* post type.
|
||
|
|
*/
|
||
|
|
if ( 'post' === $object_type && 'post_type' === $rule['param'] ) {
|
||
|
|
if ( $rule['operator'] === '==' && $this->request->object_sub_type !== $rule['value'] ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if ( $rule['operator'] === '!=' && $this->request->object_sub_type === $rule['value'] ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$match = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( 'term' === $object_type && 'taxonomy' === $rule['param'] ) {
|
||
|
|
if ( $rule['operator'] === '==' && $this->request->object_sub_type !== $rule['value'] ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if ( $rule['operator'] === '!=' && $this->request->object_sub_type === $rule['value'] ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$match = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( in_array( $object_type, array( 'user', 'comment' ) ) ) {
|
||
|
|
$match = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $match ) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all field groups for the provided object type.
|
||
|
|
*
|
||
|
|
* @param string $object_type 'user', 'term', or 'post'
|
||
|
|
*
|
||
|
|
* @return array An array of field groups that display for that location type.
|
||
|
|
*/
|
||
|
|
private function get_field_groups_by_object_type( $object_type ) {
|
||
|
|
$field_groups = acf_get_field_groups();
|
||
|
|
$location_types = acf_get_location_types();
|
||
|
|
$object_type_groups = array();
|
||
|
|
|
||
|
|
foreach ( $field_groups as $field_group ) {
|
||
|
|
if ( empty( $field_group['show_in_rest'] ) ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $this->object_type_has_field_group( $object_type, $field_group, $location_types ) ) {
|
||
|
|
$object_type_groups[] = $field_group;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $object_type_groups;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all field groups for a given object.
|
||
|
|
*
|
||
|
|
* @param int $object_id
|
||
|
|
* @param string $object_type 'user', 'term', or 'post'
|
||
|
|
* @param string|null $object_sub_type The post type or taxonomy. When an $object_type of 'user' is in play, this can be ignored.
|
||
|
|
* @param array $scope Field group keys to limit the returned set of field groups to. This is used to scope field lookups to specific groups.
|
||
|
|
* @return array An array of matching field groups.
|
||
|
|
*/
|
||
|
|
private function get_field_groups_by_id( $object_id, $object_type, $object_sub_type = null, $scope = array() ) {
|
||
|
|
// When dealing with a term, we need the taxonomy in order to look up the relevant field groups. The taxonomy is expected
|
||
|
|
// in the $object_sub_type variable but when building our schema, this isn't readily available. This block ensures the
|
||
|
|
// taxonomy is set when not passed in.
|
||
|
|
if ( $object_type === 'term' && $object_sub_type === null ) {
|
||
|
|
$term = get_term( $object_id );
|
||
|
|
if ( ! $term instanceof WP_Term ) {
|
||
|
|
return array();
|
||
|
|
}
|
||
|
|
$object_sub_type = $term->taxonomy;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ( $object_type ) {
|
||
|
|
case 'user':
|
||
|
|
$args = array(
|
||
|
|
'user_id' => $object_id,
|
||
|
|
'rest' => true,
|
||
|
|
);
|
||
|
|
break;
|
||
|
|
case 'term':
|
||
|
|
$args = array( 'taxonomy' => $object_sub_type );
|
||
|
|
break;
|
||
|
|
case 'comment':
|
||
|
|
$comment = get_comment( $object_id );
|
||
|
|
$post_type = get_post_type( $comment->comment_post_ID );
|
||
|
|
$args = array( 'comment' => $post_type );
|
||
|
|
break;
|
||
|
|
case 'post':
|
||
|
|
default:
|
||
|
|
$args = array( 'post_id' => $object_id );
|
||
|
|
$child_rest_base = $this->request->get_url_param( 'child_rest_base' );
|
||
|
|
if ( $child_rest_base && 'post' === $object_type ) {
|
||
|
|
$args['post_type'] = $object_sub_type;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Only return field groups that are configured to show in REST.
|
||
|
|
return array_filter(
|
||
|
|
acf_get_field_groups( $args ),
|
||
|
|
function ( $group ) use ( $scope ) {
|
||
|
|
if ( $scope and ! in_array( $group['key'], $scope ) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $group['show_in_rest'];
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all ACF fields for a given field group and allow third party filtering.
|
||
|
|
*
|
||
|
|
* @param array $field_group This could technically be other possible values supported by acf_get_fields() but in this
|
||
|
|
* context, we're only using the field group arrays.
|
||
|
|
* @param null|int $object_id The ID of the object being prepared.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function get_fields( $field_group, $object_id = null ) {
|
||
|
|
// Get all fields for this field group that are rest enabled.
|
||
|
|
$fields = array_filter(
|
||
|
|
acf_get_fields( $field_group ),
|
||
|
|
function ( $field ) {
|
||
|
|
$field_type = acf_get_field_type( $field['type'] );
|
||
|
|
return isset( $field_type->show_in_rest ) && $field_type->show_in_rest;
|
||
|
|
}
|
||
|
|
);
|
||
|
|
|
||
|
|
// Set up context array for use in the filter below.
|
||
|
|
$resource = array(
|
||
|
|
'type' => $this->request->object_type,
|
||
|
|
'sub_type' => $this->request->object_sub_type,
|
||
|
|
'id' => $object_id,
|
||
|
|
);
|
||
|
|
|
||
|
|
$http_method = $this->request->http_method;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filter the fields available to the REST API.
|
||
|
|
*
|
||
|
|
* @param array $fields The ACF fields for this field group.
|
||
|
|
* @param array $resource Contextual information about the current resource request.
|
||
|
|
* @param string $http_method The HTTP method of the current request (GET, POST, PUT, PATCH, DELETE, OPTION, HEAD).
|
||
|
|
*/
|
||
|
|
return (array) apply_filters( 'acf/rest/get_fields', $fields, $resource, $http_method );
|
||
|
|
}
|
||
|
|
}
|