repository factoring refactoring

bin/composer

@@ -4,21 +4,34 @@
 require __DIR__.'/../tests/bootstrap.php';
 
 use Composer\Composer;
-use Composer\Downloader\GitDownloader;
-use Composer\Downloader\PearDownloader;
-use Composer\Downloader\ZipDownloader;
-use Composer\Installer\LibraryInstaller;
-use Composer\Console\Application;
+use Composer\Installer;
+use Composer\Downloader;
+use Composer\Repository;
+use Composer\Package;
+use Composer\Console\Application as ComposerApplication;
 
-setlocale(LC_ALL, 'C');
+$composerFolder = '.composer';
+$composerCache  = $composerFolder.'/packages';
+
+// initialize installer
+$installer = new Installer\LibraryInstaller('vendor', $preferSource = true);
+$installer->setDownloader('git',  new Downloader\GitDownloader());
+$installer->setDownloader('pear', new Downloader\PearDownloader());
+$installer->setDownloader('zip',  new Downloader\ZipDownloader());
 
 // initialize composer
-$composer = new ConfigurableComposer('composer.json', 'composer.lock');
-$composer->addDownloader('git', new GitDownloader);
-$composer->addDownloader('pear', new PearDownloader);
-$composer->addDownloader('zip', new ZipDownloader);
-$composer->addInstaller('library', new LibraryInstaller);
+$composer = new Composer();
+$composer->setInstaller('library', $installer);
+$composer->setRepository('Platform', new Repository\PlatformRepository());
+$composer->setRepository('Packagist', new Repository\ComposerRepository('http://packagist.org'));
+
+// initialize package
+$loader  = new Package\Loader\Json();
+$package = $loader->load('composer.json');
+
+// initialize lock
+$packageLock = new Package\PackageLock('composer.lock');
 
 // run the command application
-$application = new Application($composer);
+$application = new ComposerApplication($composer, $package, $packageLock);
 $application->run();

src/Composer/ConfigurableComposer.php

@@ -12,7 +12,7 @@
 
 namespace Composer;
 
-use Composer\Repository;
+use Composer\Repository\RepositoryFactory;
 use Composer\Package;
 use Composer\Installer\LibraryInstaller;
 
@@ -25,12 +25,16 @@ class ConfigurableComposer extends Composer
     private $lockFile;
     private $isLocked = false;
     private $lockedPackages = array();
+    private $repositoryFactory;
 
-    public function __construct($configFile = 'composer.json', $lockFile = 'composer.lock')
+    public function __construct($configFile = 'composer.json', $lockFile = 'composer.lock',
+                                RepositoryFactory $repositoryFactory)
     {
-        $this->configFile = $configFile;
-        $this->lockFile   = $lockFile;
-        $this->setRepository('Platform', new Repository\PlatformRepository());
+        $this->configFile        = $configFile;
+        $this->lockFile          = $lockFile;
+        $this->repositoryFactory = $repositoryFactory;
+
+        $this->setRepository('Platform', $repositoryFactory->create('platform'));
 
         if (!file_exists($configFile)) {
             throw new \UnexpectedValueException('Can not find composer config file');
@@ -102,7 +106,9 @@ class ConfigurableComposer extends Composer
         $repositories = array();
         foreach ($repositoriesList as $name => $spec) {
             if (is_array($spec) && count($spec) === 1) {
-                $repositories[$name] = $this->createRepository($name, key($spec), current($spec));
+                $repositories[$name] = $this->repositoryFactory->create(
+                    key($spec), $name, current($spec)
+                );
             } elseif (null === $spec) {
                 $repositories[$name] = null;
             } else {
@@ -120,7 +126,7 @@ class ConfigurableComposer extends Composer
     {
         $requirements = array();
         foreach ($requirementsList as $name => $version) {
-            $name = $this->lowercase($name);
+            $name = strtolower($name);
             if ('latest' === $version) {
                 $requirements[$name] = null;
             } else {
@@ -165,36 +171,4 @@ class ConfigurableComposer extends Composer
 
         return $config;
     }
-
-    private function lowercase($str)
-    {
-        if (function_exists('mb_strtolower')) {
-            return mb_strtolower($str, 'UTF-8');
-        }
-        return strtolower($str, 'UTF-8');
-    }
-
-    private function createRepository($name, $type, $spec)
-    {
-        if (is_string($spec)) {
-            $spec = array('url' => $spec);
-        }
-        $spec['url'] = rtrim($spec['url'], '/');
-
-        switch ($type) {
-            case 'git-bare':
-            case 'git-multi':
-                throw new \Exception($type.' repositories not supported yet');
-            case 'git':
-                return new Repository\GitRepository($spec['url']);
-            case 'composer':
-                return new Repository\ComposerRepository($spec['url']);
-            case 'pear':
-                return new Repository\PearRepository($spec['url'], $name);
-            default:
-                throw new \UnexpectedValueException(
-                    'Unknown repository type: '.$type.', could not create repository '.$name
-                );
-        }
-    }
 }

src/Composer/Package/Manager.php

@@ -24,8 +24,6 @@ class Manager
 
     public function install(PackageInterface $package)
     {
-        $output->writeln('> Installing '.$package->getName());
-
         $installer   = $this->composer->getInstaller($package->getType());
         $downloader  = $this->getDownloaderForPackage($package);
         $packageType = $this->getTypeForPackage($package);
@@ -37,8 +35,6 @@ class Manager
 
     public function update(PackageInterface $package)
     {
-        $output->writeln('> Updating '.$package->getName());
-
         $installer   = $this->composer->getInstaller($package->getType());
         $downloader  = $this->getDownloaderForPackage($package);
         $packageType = $this->getTypeForPackage($package);
@@ -50,8 +46,6 @@ class Manager
 
     public function remove(PackageInterface $package)
     {
-        $output->writeln('> Removing '.$package->getName());
-
         $installer   = $this->composer->getInstaller($package->getType());
         $downloader  = $this->getDownloaderForPackage($package);
         $packageType = $this->getTypeForPackage($package);

src/Composer/Repository/ArrayRepository.php

@@ -23,6 +23,16 @@ class ArrayRepository implements RepositoryInterface
 {
     protected $packages;
 
+    static public function supports($type, $name = '', $url = '')
+    {
+        return 'array' === strtolower($type);
+    }
+
+    static public function create($type, $name = '', $url = '')
+    {
+        return new static();
+    }
+
     /**
      * Adds a new package to the repository
      *

src/Composer/Repository/ComposerRepository.php

@@ -24,6 +24,16 @@ class ComposerRepository extends ArrayRepository
 {
     protected $packages;
 
+    static public function supports($type, $name = '', $url = '')
+    {
+        return 'composer' === strtolower($type) && '' !== $url;
+    }
+
+    static public function create($type, $name = '', $url = '')
+    {
+        return new static($url);
+    }
+
     public function __construct($url)
     {
         $this->url = $url;

src/Composer/Repository/GitRepository.php

@@ -26,6 +26,16 @@ class GitRepository extends ArrayRepository
 {
     protected $packages;
 
+    static public function supports($type, $name = '', $url = '')
+    {
+        return 'git' === strtolower($type) && '' !== $url;
+    }
+
+    static public function create($type, $name = '', $url = '')
+    {
+        return new static($url);
+    }
+
     public function __construct($url)
     {
         $this->url = $url;

src/Composer/Repository/PearRepository.php

@@ -26,6 +26,16 @@ class PearRepository extends ArrayRepository
     private $name;
     private $url;
 
+    static public function supports($type, $name = '', $url = '')
+    {
+        return 'pear' === strtolower($type) && '' !== $url;
+    }
+
+    static public function create($type, $name = '', $url = '')
+    {
+        return new static($url, $name);
+    }
+
     public function __construct($url, $name = '')
     {
         if (!filter_var($url, FILTER_VALIDATE_URL)) {

src/Composer/Repository/PlatformRepository.php

@@ -22,6 +22,11 @@ class PlatformRepository extends ArrayRepository
 {
     protected $packages;
 
+    static public function supports($type, $name = '', $url = '')
+    {
+        return 'platform' === strtolower($type);
+    }
+
     protected function initialize()
     {
         parent::initialize();

src/Composer/Repository/RepositoryFactory.php

@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Repository;
+
+/**
+ * @author Konstantin Kudryashiv <ever.zet@gmail.com>
+ */
+class RepositoryFactory
+{
+    private $classes = array();
+
+    public function __construct(array $classes)
+    {
+        foreach ($classes as $class) {
+            $this->registerRepositoryClass($class);
+        }
+    }
+
+    public function registerRepositoryClass($class)
+    {
+        $reflection = new \ReflectionClass($class);
+
+        if (!$reflection->implementsInterface('Composer\Repository\RepositoryInterface')) {
+            throw new \InvalidArgumentException(
+                'Repository class should implement "RepositoryInterface", but "'.$class.'"'.
+                'given'
+            );
+        }
+
+        $this->classes[] = $class;
+    }
+
+    public function classWhichSupports($type, $name = '', $url = '')
+    {
+        foreach ($this->classes as $class) {
+            if ($class::supports($type, $name, $url)) {
+                return $class;
+            }
+        }
+
+        throw new \UnexpectedValueException(sprintf(
+            "Can not find repository class, which supports:\n%s",
+            json_encode(array($name => array($type => $url)))
+        ));
+    }
+
+    public function create($type, $name = '', $url = '')
+    {
+        $class = $this->classWhichSupports($type, $name, $url);
+
+        return $class::create($type, $name, $url);
+    }
+}

src/Composer/Repository/RepositoryInterface.php

@@ -17,5 +17,8 @@ namespace Composer\Repository;
  */
 interface RepositoryInterface extends \Countable
 {
+    static function supports($type, $name = '', $url = '');
+    static function create($type, $name = '', $url = '');
+
     function getPackages();
 }