unsupervised-scheduler/src/Api/RestRegistrar.php

<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Api;

use Unsupervised\Schedular\Data\AvailabilityRepository;
use Unsupervised\Schedular\Data\BookingRepository;

class RestRegistrar {

	public const NAMESPACE = 'us-scheduler/v1';

	private AvailabilityEndpoint $availabilityEndpoint;
	private BookingEndpoint $bookingEndpoint;

	public function __construct( AvailabilityRepository $availability, BookingRepository $bookings ) {
		$this->availabilityEndpoint = new AvailabilityEndpoint( $availability );
		$this->bookingEndpoint      = new BookingEndpoint( $availability, $bookings );
	}

	public function register(): void {
		add_action( 'rest_api_init', [ $this, 'registerRoutes' ] );
	}

	public function registerRoutes(): void {
		$this->availabilityEndpoint->registerRoutes( self::NAMESPACE );
		$this->bookingEndpoint->registerRoutes( self::NAMESPACE );
	}
}