finfollow/src/Domain/Entity/ParsedPortfolio.php

<?php

namespace App\Domain\Entity;

final readonly class ParsedPortfolio
{
    private array $header;

    private array $details;

    private array $movements;


    public function __construct(array $header, array $details, array $movements)
    {
        $this->header = $header;
        $this->details = $details;
        $this->movements = $movements;
    }

    public function getHeader(): array
    {
        return $this->header;
    }

    public function getDetails(): array
    {
        return $this->details;
    }

    public function getMovements(): array
    {
        return $this->movements;
    }

    public function extractPeriod(): array
    {
        if (array_key_exists('НачПериода', $this->header)) {
            $startDate = \DateTime::createFromFormat('d.m.Y', $this->header['НачПериода']);
            $endDate = \DateTime::createFromFormat('d.m.Y', $this->header['КонПериода']);
        } elseif (array_key_exists('СтрокаПериода', $this->header)) {
            $chunks = explode(' ', $this->header['СтрокаПериода']);

            if(count($chunks) !== 4) throw new \Exception('Unexpected period format!');

            $startDate = \DateTime::createFromFormat('d.m.Y', $chunks[1]);
            $endDate = \DateTime::createFromFormat('d.m.Y', $chunks[3]);
        } else {
            throw new \Exception('Can not detect xml header version!');
        }

        return [$startDate, $endDate];
    }
}