unsupervised-scheduler/src/GroupClass/Enrollment.php

<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\GroupClass;

class Enrollment {

	public const STATUS_ACTIVE    = 'active';
	public const STATUS_CANCELLED = 'cancelled';
	public const STATUS_COMPLETED = 'completed';

	/**
	 * All valid enrolment statuses.
	 *
	 * @var list<string>
	 */
	public const VALID_STATUSES = [ self::STATUS_ACTIVE, self::STATUS_CANCELLED, self::STATUS_COMPLETED ];

	public function __construct(
		public readonly int $offeringId,
		public readonly int $studentId,
		public readonly int $instructorId,
		public readonly string $status = self::STATUS_ACTIVE,
		public readonly ?int $paymentId = null,
		public readonly ?int $id = null,
	) {}

	public static function fromRow( object $row ): self {
		return new self(
			offeringId:   (int) $row->offering_id,
			studentId:    (int) $row->student_id,
			instructorId: (int) $row->instructor_id,
			status:       $row->status,
			paymentId:    null !== $row->payment_id ? (int) $row->payment_id : null,
			id:           (int) $row->id,
		);
	}

	/**
	 * Returns a plain array representation of the enrolment.
	 *
	 * @return array<string, mixed>
	 */
	public function toArray(): array {
		return [
			'id'            => $this->id,
			'offering_id'   => $this->offeringId,
			'student_id'    => $this->studentId,
			'instructor_id' => $this->instructorId,
			'status'        => $this->status,
			'payment_id'    => $this->paymentId,
		];
	}
}