RecipientSet.php
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RecipientSet.php
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	<?php

	namespace MediaWiki\Notification;

	use ArrayIterator;
	use Countable;
	use IteratorAggregate;
	use MediaWiki\User\UserIdentity;
	use Wikimedia\Assert\Assert;

	/**
	* @since 1.44
	* @unstable
	*/
	class RecipientSet implements IteratorAggregate, Countable {

	/**
	* @var UserIdentity[]
	*/
	private array $recipients;

	/**
	* @param UserIdentity\|UserIdentity[] $recipients
	*/
	public function __construct( $recipients ) {
	if ( !is_array( $recipients ) ) {
	$recipients = [ $recipients ];
	}
	Assert::parameterElementType( UserIdentity::class, $recipients, '$recipients' );
	$this->recipients = $recipients;
	}

	/** @return UserIdentity[] */
	public function getRecipients(): array {
	return $this->recipients;
	}

	/**
	* @param UserIdentity $identity
	* @return void
	*/
	public function addRecipient( UserIdentity $identity ) {
	$this->recipients[] = $identity;
	}

	public function getIterator(): ArrayIterator {
	return new ArrayIterator( $this->recipients );
	}

	public function count(): int {
	return count( $this->recipients );
	}
	}