365 lines
10 KiB
PHP
365 lines
10 KiB
PHP
<?php
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/**
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* REST API list controller for Abilities API.
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*
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* @package WordPress
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* @subpackage Abilities_API
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* @since 6.9.0
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*/
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declare( strict_types = 1 );
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/**
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* Core controller used to access abilities via the REST API.
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*
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* @since 6.9.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Abilities_V1_List_Controller extends WP_REST_Controller {
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/**
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* REST API namespace.
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*
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* @since 6.9.0
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* @var string
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*/
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protected $namespace = 'wp-abilities/v1';
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/**
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* REST API base route.
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*
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* @since 6.9.0
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* @var string
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*/
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protected $rest_base = 'abilities';
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/**
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* Registers the routes for abilities.
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*
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* @since 6.9.0
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*
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* @see register_rest_route()
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*/
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public function register_routes(): void {
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base,
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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'args' => $this->get_collection_params(),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base . '/(?P<name>[a-zA-Z0-9\-\/]+)',
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array(
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'args' => array(
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'name' => array(
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'description' => __( 'Unique identifier for the ability.' ),
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'type' => 'string',
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'pattern' => '^[a-zA-Z0-9\-\/]+$',
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),
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),
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_item' ),
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'permission_callback' => array( $this, 'get_item_permissions_check' ),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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}
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/**
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* Retrieves all abilities.
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*
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* @since 6.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response Response object on success.
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*/
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public function get_items( $request ) {
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$abilities = array_filter(
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wp_get_abilities(),
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static function ( $ability ) {
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return $ability->get_meta_item( 'show_in_rest' );
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}
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);
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// Filter by ability category if specified.
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$category = $request['category'];
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if ( ! empty( $category ) ) {
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$abilities = array_filter(
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$abilities,
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static function ( $ability ) use ( $category ) {
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return $ability->get_category() === $category;
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}
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);
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// Reset array keys after filtering.
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$abilities = array_values( $abilities );
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}
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$page = $request['page'];
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$per_page = $request['per_page'];
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$offset = ( $page - 1 ) * $per_page;
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$total_abilities = count( $abilities );
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$max_pages = (int) ceil( $total_abilities / $per_page );
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if ( $request->get_method() === 'HEAD' ) {
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$response = new WP_REST_Response( array() );
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} else {
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$abilities = array_slice( $abilities, $offset, $per_page );
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$data = array();
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foreach ( $abilities as $ability ) {
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$item = $this->prepare_item_for_response( $ability, $request );
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$data[] = $this->prepare_response_for_collection( $item );
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}
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$response = rest_ensure_response( $data );
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}
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$response->header( 'X-WP-Total', (string) $total_abilities );
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$response->header( 'X-WP-TotalPages', (string) $max_pages );
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$query_params = $request->get_query_params();
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$base = add_query_arg( urlencode_deep( $query_params ), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
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if ( $page > 1 ) {
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$prev_page = $page - 1;
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$prev_link = add_query_arg( 'page', $prev_page, $base );
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$response->link_header( 'prev', $prev_link );
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}
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if ( $page < $max_pages ) {
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$next_page = $page + 1;
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$next_link = add_query_arg( 'page', $next_page, $base );
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$response->link_header( 'next', $next_link );
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}
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return $response;
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}
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/**
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* Retrieves a specific ability.
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*
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* @since 6.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_item( $request ) {
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$ability = wp_get_ability( $request['name'] );
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if ( ! $ability || ! $ability->get_meta_item( 'show_in_rest' ) ) {
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return new WP_Error(
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'rest_ability_not_found',
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__( 'Ability not found.' ),
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array( 'status' => 404 )
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);
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}
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$data = $this->prepare_item_for_response( $ability, $request );
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return rest_ensure_response( $data );
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}
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/**
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* Checks if a given request has access to read ability items.
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*
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* @since 6.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return bool True if the request has read access.
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*/
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public function get_items_permissions_check( $request ) {
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return current_user_can( 'read' );
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}
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/**
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* Checks if a given request has access to read an ability item.
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*
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* @since 6.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return bool True if the request has read access.
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*/
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public function get_item_permissions_check( $request ) {
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return current_user_can( 'read' );
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}
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/**
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* Normalizes schema empty object defaults.
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*
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* Converts empty array defaults to objects when the schema type is 'object'
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* to ensure proper JSON serialization as {} instead of [].
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*
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* @since 6.9.0
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*
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* @param array<string, mixed> $schema The schema array.
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* @return array<string, mixed> The normalized schema.
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*/
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private function normalize_schema_empty_object_defaults( array $schema ): array {
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if ( isset( $schema['type'] ) && 'object' === $schema['type'] && isset( $schema['default'] ) ) {
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$default = $schema['default'];
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if ( is_array( $default ) && empty( $default ) ) {
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$schema['default'] = (object) $default;
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}
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}
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return $schema;
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}
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/**
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* Prepares an ability for response.
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*
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* @since 6.9.0
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*
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* @param WP_Ability $ability The ability object.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response Response object.
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*/
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public function prepare_item_for_response( $ability, $request ) {
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$data = array(
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'name' => $ability->get_name(),
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'label' => $ability->get_label(),
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'description' => $ability->get_description(),
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'category' => $ability->get_category(),
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'input_schema' => $this->normalize_schema_empty_object_defaults( $ability->get_input_schema() ),
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'output_schema' => $this->normalize_schema_empty_object_defaults( $ability->get_output_schema() ),
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'meta' => $ability->get_meta(),
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);
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$context = $request['context'] ?? 'view';
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$data = $this->add_additional_fields_to_object( $data, $request );
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$data = $this->filter_response_by_context( $data, $context );
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$response = rest_ensure_response( $data );
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$fields = $this->get_fields_for_response( $request );
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if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
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$links = array(
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'self' => array(
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'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $ability->get_name() ) ),
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),
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'collection' => array(
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'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
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),
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);
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$links['wp:action-run'] = array(
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'href' => rest_url( sprintf( '%s/%s/%s/run', $this->namespace, $this->rest_base, $ability->get_name() ) ),
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);
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$response->add_links( $links );
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}
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return $response;
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}
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/**
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* Retrieves the ability's schema, conforming to JSON Schema.
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*
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* @since 6.9.0
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*
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* @return array<string, mixed> Item schema data.
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*/
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public function get_item_schema(): array {
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$schema = array(
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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => 'ability',
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'type' => 'object',
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'properties' => array(
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'name' => array(
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'description' => __( 'Unique identifier for the ability.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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),
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'label' => array(
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'description' => __( 'Display label for the ability.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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),
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'description' => array(
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'description' => __( 'Description of the ability.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit' ),
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'readonly' => true,
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),
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'category' => array(
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'description' => __( 'Ability category this ability belongs to.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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),
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'input_schema' => array(
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'description' => __( 'JSON Schema for the ability input.' ),
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'type' => 'object',
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'context' => array( 'view', 'edit' ),
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'readonly' => true,
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),
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'output_schema' => array(
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'description' => __( 'JSON Schema for the ability output.' ),
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'type' => 'object',
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'context' => array( 'view', 'edit' ),
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'readonly' => true,
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),
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'meta' => array(
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'description' => __( 'Meta information about the ability.' ),
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'type' => 'object',
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'properties' => array(
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'annotations' => array(
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'description' => __( 'Annotations for the ability.' ),
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'type' => array( 'boolean', 'null' ),
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'default' => null,
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),
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),
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'context' => array( 'view', 'edit' ),
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'readonly' => true,
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),
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),
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);
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return $this->add_additional_fields_schema( $schema );
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}
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/**
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* Retrieves the query params for collections.
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*
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* @since 6.9.0
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*
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* @return array<string, mixed> Collection parameters.
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*/
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public function get_collection_params(): array {
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return array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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'page' => array(
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'description' => __( 'Current page of the collection.' ),
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'type' => 'integer',
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'default' => 1,
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'minimum' => 1,
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),
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'per_page' => array(
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'description' => __( 'Maximum number of items to be returned in result set.' ),
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'type' => 'integer',
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'default' => 50,
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'minimum' => 1,
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'maximum' => 100,
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),
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'category' => array(
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'description' => __( 'Limit results to abilities in specific ability category.' ),
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'type' => 'string',
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'sanitize_callback' => 'sanitize_key',
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'validate_callback' => 'rest_validate_request_arg',
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),
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);
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}
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}
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