ICanBoogie\CLDR\Supplemental\Territory\RegionCurrencies

Complexity

Total Complexity

13

Size/Duplication

Total Lines	49
Duplicated Lines	0 %

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	getIterator()	0	3	1
A	from()	0	15	5
A	__construct()	0	3	1
A	at()	0	14	6

<?php

namespace ICanBoogie\CLDR\Supplemental\Territory;

use ArrayIterator;
use IteratorAggregate;
use Traversable;

/**
 * @implements IteratorAggregate<RegionCurrency>
 */
final class RegionCurrencies implements IteratorAggregate
{
    /**
     * @phpstan-ignore-next-line
     */
    public static function from(array $data): self
    {
        $currencies = array_values(array_map(fn($currency) => RegionCurrency::from($currency), $data));

        usort($currencies, function (RegionCurrency $a, RegionCurrency $b) {
            if ($a->from && $b->from) {
                return $a->from <=> $b->from;
            } elseif ($a->to && $b->to) {
                return $b->to <=> $a->to;
            }

            return -1;
        });

        return new self($currencies);
    }

    /**
     * @param RegionCurrency[] $currencies
     */
    private function __construct(
        private readonly array $currencies
    ) {
    }

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

    public function at(string $date): ?RegionCurrency
    {
        $currencies = array_filter(
            $this->currencies,
            function (RegionCurrency $currency) use ($date) {
                return $currency->tender
                    && ($currency->to === null || $currency->to >= $date)
                    && ($currency->from === null || $currency->from <= $date);
            }
        );

        $currencies = array_values($currencies);

        return current($currencies) ?: null;
    }
}