<?php

namespace Composer\Util;

use Composer\Downloader\DownloaderInterface;
use Composer\Package\PackageInterface;
use React\Promise\PromiseInterface;

class SyncHelper
{
    /**
     * Helps you download + install a single package in a synchronous way
     *
     * This executes all the required steps and waits for promises to complete
     *
     * @param Loop                  $loop        Loop instance which you can get from $composer->getLoop()
     * @param DownloaderInterface   $downloader  Downloader instance you can get from $composer->getDownloadManager()->getDownloader('zip') for example
     * @param string                $path        the installation path for the package
     * @param PackageInterface      $package     the package to install
     * @param PackageInterface|null $prevPackage the previous package if this is an update and not an initial installation
     */
    public static function downloadAndInstallPackageSync(
        Loop $loop,
        DownloaderInterface $downloader,
        string $path,
        PackageInterface $package,
        ?PackageInterface $prevPackage = null,
    ): void {
        $type = $prevPackage ? 'update' : 'install';

        try {
            self::await($loop, $downloader->download($package, $path, $prevPackage));

            self::await($loop, $downloader->prepare($type, $package, $path, $prevPackage));

            if ($type === 'update') {
                self::await($loop, $downloader->update($package, $prevPackage, $path));
            } else {
                self::await($loop, $downloader->install($package, $path));
            }
        } catch (\Exception $e) {
            self::await($loop, $downloader->cleanup($type, $package, $path, $prevPackage));
            throw $e;
        }

        self::await($loop, $downloader->cleanup($type, $package, $path, $prevPackage));
    }

    /**
     * Waits for a promise to resolve
     *
     * @param Loop                  $loop    Loop instance which you can get from $composer->getLoop()
     */
    public static function await(Loop $loop, ?PromiseInterface $promise = null): void
    {
        if ($promise) {
            $loop->wait([$promise]);
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzYxNjk1NjYwNTM5ODM5MiA3MDUyMTY2MzQ3NjI2MTU5IDgzMzIzNTgwNDM0OTQxNjg=