epares a post type object for serialization.
*
* @since 4.7.0
*
* @param WP_Post_Type $post_type Post type object.
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $post_type, $request ) {
$taxonomies = wp_list_filter( get_object_taxonomies( $post_type->name, 'objects' ), array( 'show_in_rest' => true ) );
$taxonomies = wp_list_pluck( $taxonomies, 'name' );
$base = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
$supports = get_all_post_type_supports( $post_type->name );
$fields = $this->get_fields_for_response( $request );
$data = array();
if ( in_array( 'capabilities', $fields, true ) ) {
$data['capabilities'] = $post_type->cap;
}
if ( in_array( 'description', $fields, true ) ) {
$data['description'] = $post_type->description;
}
if ( in_array( 'hierarchical', $fields, true ) ) {
$data['hierarchical'] = $post_type->hierarchical;
}
if ( in_array( 'viewable', $fields, true ) ) {
$data['viewable'] = is_post_type_viewable( $post_type );
}
if ( in_array( 'labels', $fields, true ) ) {
$data['labels'] = $post_type->labels;
}
if ( in_array( 'name', $fields, true ) ) {
$data['name'] = $post_type->label;
}
if ( in_array( 'slug', $fields, true ) ) {
$data['slug'] = $post_type->name;
}
if ( in_array( 'supports', $fields, true ) ) {
$data['supports'] = $supports;
}
if ( in_array( 'taxonomies', $fields, true ) ) {
$data['taxonomies'] = array_values( $taxonomies );
}
if ( in_array( 'rest_base', $fields, true ) ) {
$data['rest_base'] = $base;
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
$response->add_links(
array(
'collection' => array(
'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
),
'https://api.w.org/items' => array(
'href' => rest_url( sprintf( 'wp/v2/%s', $base ) ),
),
)
);
/**
* Filters a post type returned from the API.
*
* Allows modification of the post type data right before it is returned.
*
* @since 4.7.0
*
* @param WP_REST_Response $response The response object.
* @param object $item The original post type object.
* @param WP_REST_Request $request Request used to generate the response.
*/
return apply_filters( 'rest_prepare_post_type', $response, $post_type, $request );
}
/**
* Retrieves the post type's schema, conforming to JSON Schema.
*
* @since 4.7.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'type',
'type' => 'object',
'properties' => array(
'capabilities' => array(
'description' => __( 'All capabilities used by the post type.' ),
'type' => 'object',
'context' => array( 'edit' ),
'readonly' => true,
),
'description' => array(
'description' => __( 'A human-readable description of the post type.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'hierarchical' => array(
'description' => __( 'Whether or not the post type should have children.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'viewable' => array(
'description' => __( 'Whether or not the post type can be viewed.' ),
'type' => 'boolean',
'context' => array( 'edit' ),
'readonly' => true,
),
'labels' => array(
'description' => __( 'Human-readable labels for the post type for various contexts.' ),
'type' => 'object',
'context' => array( 'edit' ),
'readonly' => true,
),
'name' => array(
'description' => __( 'The title for the post type.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'slug' => array(
'description' => __( 'An alphanumeric identifier for the post type.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'supports' => array(
'description' => __( 'All features, supported by the post type.' ),
'type' => 'object',
'context' => array( 'edit' ),
'readonly' => true,
),
'taxonomies' => array(
'description' => __( 'Taxonomies associated with post type.' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'rest_base' => array(
'description' => __( 'REST base route for the post type.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
return $this->add_additional_fields_schema( $schema );
}
/**
* Retrieves the query params for collections.
*
* @since 4.7.0
*
* @return array Collection parameters.
*/
public function get_collection_params() {
return array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
);
}
}