Roave\BackwardCompatibility\Git\PickLastMinorVersionFromCollection

Complexity

Total Complexity

1

Size/Duplication

Total Lines	37
Duplicated Lines	0 %

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
B	forVersions()	0	30	1

<?php

declare(strict_types=1);

namespace Roave\BackwardCompatibility\Git;

use Assert\Assert;
use Symfony\Component\Process\Exception\LogicException;
use Symfony\Component\Process\Exception\RuntimeException;
use Version\Constraint\ComparisonConstraint;
use Version\Constraint\CompositeConstraint;
use Version\Version;
use Version\VersionsCollection;
use function array_values;
use function iterator_to_array;

final class PickLastMinorVersionFromCollection implements PickVersionFromVersionCollection
{
    /**
     * {@inheritDoc}
     * @throws LogicException
     * @throws RuntimeException
     */
    public function forVersions(VersionsCollection $versions) : Version
    {
        Assert
            ::that($versions->count())
            ->greaterThan(0, 'Cannot determine latest minor version from an empty collection');

        $versions->sort(VersionsCollection::SORT_DESC);

        /** @var Version[] $versionsAsArray */
        $versionsAsArray = array_values(iterator_to_array($versions));

        /** @var Version $lastVersion */
        $lastVersion = $versionsAsArray[0];

        $matchingMinorVersions = $versions->matching(new CompositeConstraint(
            CompositeConstraint::OPERATOR_AND,
            new ComparisonConstraint(ComparisonConstraint::OPERATOR_LTE, $lastVersion),
            new ComparisonConstraint(
                ComparisonConstraint::OPERATOR_GTE,
                Version::fromString($lastVersion->getMajor() . '.' . $lastVersion->getMinor() . '.0')
            )
        ));

        $matchingMinorVersions->sort(VersionsCollection::SORT_ASC);

        /** @var Version[] $matchingMinorVersionsAsArray */
        $matchingMinorVersionsAsArray = array_values(iterator_to_array($matchingMinorVersions));

        // Note: since the collection is never empty, we can assume that the first element exists
        return $matchingMinorVersionsAsArray[0];
    }
}