unsupervised-scheduler/src/Roles/RoleManager.php

<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Roles;

class RoleManager {

	public const INSTRUCTOR = 'us_instructor';
	public const STUDENT    = 'us_student';

	public const CAP_MANAGE_AVAILABILITY = 'manage_availability';
	public const CAP_VIEW_LESSONS        = 'view_own_lessons';
	public const CAP_BOOK_LESSON         = 'book_lesson';

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

	public function createRoles(): void {
		if ( get_role( self::INSTRUCTOR ) === null ) {
			add_role(
				self::INSTRUCTOR,
				__( 'Instructor', 'unsupervised-schedular' ),
				[
					'read'                        => true,
					self::CAP_MANAGE_AVAILABILITY => true,
					self::CAP_VIEW_LESSONS        => true,
				]
			);
		}

		if ( get_role( self::STUDENT ) === null ) {
			add_role(
				self::STUDENT,
				__( 'Student', 'unsupervised-schedular' ),
				[
					'read'                 => true,
					self::CAP_BOOK_LESSON  => true,
					self::CAP_VIEW_LESSONS => true,
				]
			);
		}
	}
}