vaimo/composer-patches

<?php
/**
 * Copyright © Vaimo Group. All rights reserved.
 * See LICENSE_VAIMO.txt for license details.
 */
namespace Vaimo\ComposerPatches\Patch\DefinitionList\LoaderComponents;

use Vaimo\ComposerPatches\Patch\Definition as PatchDefinition;

class ConstraintsComponent implements \Vaimo\ComposerPatches\Interfaces\DefinitionListLoaderComponentInterface
{
    /**
     * @var \Vaimo\ComposerPatches\Interfaces\PackageConfigExtractorInterface
     */
    private $configExtractor;

    /**
     * @var \Composer\Package\Version\VersionParser
     */
    private $versionParser;

    /**
     * @var \Vaimo\ComposerPatches\Utils\ConstraintUtils
     */
    private $constraintUtils;

    /**
     * @var \Vaimo\ComposerPatches\Utils\PackageUtils
     */
    private $packageUtils;

    /**
     * @param \Vaimo\ComposerPatches\Interfaces\PackageConfigExtractorInterface $configExtractor
     */
    public function __construct(
        \Vaimo\ComposerPatches\Interfaces\PackageConfigExtractorInterface $configExtractor
    ) {
        $this->configExtractor = $configExtractor;
        $this->versionParser = new \Composer\Package\Version\VersionParser();
        $this->constraintUtils = new \Vaimo\ComposerPatches\Utils\ConstraintUtils();
        $this->packageUtils = new \Vaimo\ComposerPatches\Utils\PackageUtils();
    }

    /**
     * @param array $patches
     * @param \Composer\Package\PackageInterface[] $packagesByName
     * @return array
     */
    public function process(array $patches, array $packagesByName)
    {
        $rootPackages = array_filter(
            $packagesByName,
            function ($package) {
                return $package instanceof \Composer\Package\RootPackageInterface;
            }
        );

        /** @var \Composer\Package\CompletePackageInterface $rootPackage */
        $rootPackage = reset($rootPackages);

        $rootRequires = array_replace(
            $rootPackage->getRequires(),
            $rootPackage->getDevRequires()
        );

        foreach ($patches as $target => &$packagePatches) {
            foreach ($packagePatches as &$patchData) {
                if ($target !== PatchDefinition::BUNDLE_TARGET && !isset($packagesByName[$target])) {
                    $patchData = false;
                    continue;
                }

                $patchConstraints = $patchData[PatchDefinition::DEPENDS];

                $comparisonResults = $this->resolveComparisonResults(
                    $patchConstraints,
                    $packagesByName,
                    $rootRequires
                );

                if (count($patchConstraints) !== count(array_filter($comparisonResults))) {
                    $patchData = false;
                }
            }

            $packagePatches = array_filter($packagePatches);
        }

        return array_filter($patches);
    }

    private function resolveComparisonResults(array $patchConstraints, array $packages, array $rootRequires)
    {
        $comparisonResults = array();

        foreach ($patchConstraints as $constraintTarget => $version) {
            if (!isset($packages[$constraintTarget])) {
                continue;
            }

            $package = $packages[$constraintTarget];

            $packageVersion = $package->getVersion();
            $packageVersions = array($package->getVersion());

            if (isset($rootRequires[$constraintTarget])) {
                /** @var \Composer\Package\CompletePackageInterface $targetRootPackage */
                $targetRootPackage = $rootRequires[$constraintTarget];

                $prettyVersion = $this->packageUtils->getPrettyVersion($targetRootPackage);

                $matches = array();
                preg_match('/.* as (.*)$/', $prettyVersion, $matches);

                if (isset($matches[1])) {
                    $packageVersions[] = $matches[1];
                }
            }

            if ($this->constraintUtils->isDevConstraint($packageVersion)) {
                $definedVersion = $this->configExtractor->getConfig(
                    $package,
                    'version'
                );

                $packageVersions[] = $definedVersion;
            }

            $matchResult = false;

            foreach (array_filter($packageVersions) as $packageVersion) {
                $packageConstraint = $this->versionParser->parseConstraints($packageVersion);
                $patchConstraint = $this->versionParser->parseConstraints($version);

                $matchResult = $patchConstraint->matches($packageConstraint);

                if ($matchResult) {
                    break;
                }
            }

            $comparisonResults[] = $matchResult;
        }

        return $comparisonResults;
    }
}