Passed
Pull Request — master (#37)
by Alexander
10:22
created

Builder::createAlternative()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 5
nc 2
nop 1
dl 0
loc 9
rs 10
c 0
b 0
f 0
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<?php
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namespace Yiisoft\Composer\Config;
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use JsonException;
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use Yiisoft\Composer\Config\Config\Config;
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use Yiisoft\Composer\Config\Config\ConfigFactory;
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use Yiisoft\Composer\Config\Util\Resolver;
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use function dirname;
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/**
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 * Builder assembles config files.
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 */
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class Builder
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{
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    private const OUTPUT_DIR_SUFFIX = '-output';
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    /**
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     * @var string path to the Composer project root
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     */
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    private string $baseDir;
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    /**
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     * @var string path to output assembled configs
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     */
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    private string $outputDir;
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    /**
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     * @var Config[] configurations
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     */
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    private array $configs = [];
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    private ConfigFactory $configFactory;
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    /**
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     * Builder constructor.
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     *
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     * @param ConfigFactory $configFactory
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     * @param string $baseDir path to the Composer project root
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     */
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    public function __construct(ConfigFactory $configFactory, string $baseDir)
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    {
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        $this->configFactory = $configFactory;
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        $this->baseDir = $baseDir;
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        $this->outputDir = self::findOutputDir($baseDir);
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    }
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    public function createAlternative($name): Builder
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    {
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        $alt = new static($this->configFactory, $this->baseDir);
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        $alt->setOutputDir($this->outputDir . DIRECTORY_SEPARATOR . $name);
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        foreach (['aliases', 'packages'] as $key) {
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            $alt->configs[$key] = $this->getConfig($key)->clone($alt);
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        }
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        return $alt;
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    }
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    public function setOutputDir(?string $outputDir): void
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    {
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        $this->outputDir = $outputDir
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            ? static::buildAbsPath($this->getBaseDir(), $outputDir)
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            : static::findOutputDir($this->getBaseDir());
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    }
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    public static function rebuild(string $outputDir = null): void
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    {
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        $builder = new self(new ConfigFactory(), static::findOutputDir($outputDir));
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        $files = $builder->getConfig('__files')->load();
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        $builder->buildUserConfigs($files->getValues());
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    }
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    /**
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     * Returns default output dir.
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     *
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     * @param string|null $baseDir path to the root Composer package. When `null`,
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     * {@see findBaseDir()} will be called to find a base dir.
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     *
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     * @return string
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     * @throws JsonException
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     */
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    private static function findOutputDir(string $baseDir = null): string
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    {
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        $baseDir = $baseDir ?: static::findBaseDir();
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        $path = $baseDir . DIRECTORY_SEPARATOR . 'composer.json';
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        $data = @json_decode(file_get_contents($path), true);
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        $dir = $data['extra'][Package::EXTRA_OUTPUT_DIR_OPTION_NAME] ?? null;
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        return $dir ? static::buildAbsPath($baseDir, $dir) : static::defaultOutputDir($baseDir);
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    }
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    private static function findBaseDir(): string
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    {
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        return dirname(__DIR__, 4);
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    }
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    /**
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     * Returns default output dir.
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     *
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     * @param string $baseDir path to base directory
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     * @return string
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     */
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    private static function defaultOutputDir(string $baseDir = null): string
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    {
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        if ($baseDir) {
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            $dir = $baseDir . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'yiisoft' . DIRECTORY_SEPARATOR . basename(dirname(__DIR__));
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        } else {
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            $dir = dirname(__DIR__);
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        }
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        return $dir . static::OUTPUT_DIR_SUFFIX;
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    }
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    /**
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     * Returns full path to assembled config file.
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     *
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     * @param string $filename name of config
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     * @param string $baseDir path to base dir
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     * @return string absolute path
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     * @throws JsonException
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     */
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    public static function path(string $filename, string $baseDir = null): string
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    {
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        return static::buildAbsPath(static::findOutputDir($baseDir), $filename . '.php');
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    }
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    private static function buildAbsPath(string $dir, string $file): string
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    {
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        return self::isAbsolutePath($file) ? $file : $dir . DIRECTORY_SEPARATOR . $file;
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    }
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    private static function isAbsolutePath(string $path): string
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    {
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        return strpos($path, '/') === 0 || strpos($path, ':') === 1 || strpos($path, '\\\\') === 0;
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    }
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    /**
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     * Builds all (user and system) configs by given files list.
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     *
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     * @param null|array $files files to process: config name => list of files
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     */
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    public function buildAllConfigs(array $files): void
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    {
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        $this->buildUserConfigs($files);
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        $this->buildSystemConfigs($files);
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    }
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    /**
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     * Builds configs by given files list.
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     *
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     * @param null|array $files files to process: config name => list of files
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     * @return array
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     */
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    private function buildUserConfigs(array $files): array
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    {
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        $resolver = new Resolver($files);
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        $files = $resolver->get();
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        foreach ($files as $name => $paths) {
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            $this->getConfig($name)->load($paths)->build()->write();
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        }
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        return $files;
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    }
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    private function buildSystemConfigs(array $files): void
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    {
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        $this->getConfig('__files')->setValues($files);
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        foreach (['__files', 'aliases', 'packages'] as $name) {
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            $this->getConfig($name)->build()->write();
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        }
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    }
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    public function getOutputPath($name): string
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    {
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        return $this->outputDir . DIRECTORY_SEPARATOR . $name . '.php';
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    }
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    private function createConfig($name): Config
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    {
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        $config = $this->configFactory->create($this, $name);
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        $this->configs[$name] = $config;
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        return $config;
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    }
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    public function getConfig(string $name)
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    {
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        if (!isset($this->configs[$name])) {
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            $this->configs[$name] = $this->createConfig($name);
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        }
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        return $this->configs[$name];
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    }
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    public function getVars(): array
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    {
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        $vars = [];
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        foreach ($this->configs as $name => $config) {
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            $vars[$name] = $config->getValues();
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        }
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        return $vars;
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    }
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    public function mergeAliases(array $aliases): void
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    {
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        $this->getConfig('aliases')->mergeValues($aliases);
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    }
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    public function setPackage(string $name, array $data): void
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    {
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        $this->getConfig('packages')->setValue($name, $data);
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    }
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    /**
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     * @return string a full path to the project root
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     */
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    public function getBaseDir(): string
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    {
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        return $this->baseDir;
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    }
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}
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