BP_REST_Group_Settings_Endpoint::update_item( WP_REST_Request $request )

	public function update_item( $request ) {
		$group = $this->groups_endpoint->get_group_object( $request );
		$nav   = $request->get_param( 'nav' );

		$fields  = array();
		$updated = array();

		switch ( $nav ) {
			case 'group-settings':
				$updated = $this->update_settings_fields( $request );
				$fields  = $this->get_settings_fields( $group->id );
				break;

			case 'forum':
				$updated = $this->update_forum_fields( $request );
				$fields  = $this->get_forum_fields( $group->id );
				break;

			case 'courses':
				$updated = $this->update_courses_fields( $request );
				$fields  = $this->get_courses_fields( $group->id );
				break;
		}

		$fields  = apply_filters( 'bp_rest_group_setting_update_fields', $fields, $group->id, $nav );
		$updated = apply_filters( 'bp_rest_group_setting_update_message', $updated, $group->id, $nav );

		$fields_update = $this->update_additional_fields_for_object( $group->id, $request );

		if ( is_wp_error( $fields_update ) ) {
			return $fields_update;
		}

		$data = array();

		if ( ! empty( $fields ) ) {
			foreach ( $fields as $field ) {
				$data[] = $this->prepare_response_for_collection(
					$this->prepare_item_for_response( $field, $request )
				);
			}
		}

		$retval = array(
			'error'   => ( isset( $updated['error'] ) ? $updated['error'] : false ),
			'notices' => ( isset( $updated['notice'] ) ? $updated['notice'] : false ),
			'data'    => $data,
		);

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after group setting options are updated via the REST API.
		 *
		 * @param WP_REST_Response $response The response data.
		 * @param WP_REST_Request  $request  The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_rest_group_settings_options_update_item', $response, $request );

		return $response;
	}