BP_REST_Account_Settings_Options_Endpoint::update_notifications_fields( WP_REST_Request $request )

	public function update_notifications_fields( $request ) {
		$post_fields = $request->get_param( 'fields' );

		$_POST                  = array();
		$_POST['notifications'] = ( ! empty( $post_fields ) ? $post_fields : array() );

		add_filter( 'bp_displayed_user_id', array( $this, 'bp_rest_get_displayed_user' ), 999 );

		// phpcs:disable
		if ( isset( $_POST['notifications'] ) && ! empty( $_POST['notifications'] ) ) {
			bp_settings_update_notification_settings( bp_displayed_user_id(), (array) $_POST['notifications'] );
		}
		// phpcs:enable

		remove_filter( 'bp_displayed_user_id', array( $this, 'bp_rest_get_displayed_user' ), 999 );

		/**
		 * Fires after the notification settings have been saved, and before redirect.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_core_notification_settings_after_save' );

		return array(
			'error'  => false,
			'notice' => false,
		);
	}