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<?php |
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namespace SilverStripe\Core\Config; |
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use SilverStripe\Config\Collections\CachedConfigCollection; |
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use SilverStripe\Config\Collections\MemoryConfigCollection; |
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use SilverStripe\Config\Transformer\PrivateStaticTransformer; |
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use SilverStripe\Config\Transformer\YamlTransformer; |
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use SilverStripe\Control\Director; |
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use SilverStripe\Core\Config\Middleware\ExtensionMiddleware; |
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use SilverStripe\Core\Config\Middleware\InheritanceMiddleware; |
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use SilverStripe\Core\Manifest\ClassLoader; |
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use SilverStripe\Core\Manifest\ModuleLoader; |
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use Symfony\Component\Cache\Adapter\FilesystemAdapter; |
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use Symfony\Component\Finder\Finder; |
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/** |
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* Factory for silverstripe configs |
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*/ |
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class CoreConfigFactory |
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{ |
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/** |
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* @var static |
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*/ |
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protected static $inst = null; |
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/** |
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* @return static |
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*/ |
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public static function inst() |
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{ |
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if (!self::$inst) { |
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self::$inst = new static(); |
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} |
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return self::$inst; |
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} |
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/** |
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* Create root application config. |
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* This will be an immutable cached config, |
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* which conditionally generates a nested "core" config. |
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* |
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* @param bool $flush |
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* @return CachedConfigCollection |
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*/ |
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public function createRoot($flush) |
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{ |
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$instance = new CachedConfigCollection(); |
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// Set root cache |
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$instance->setPool(new FilesystemAdapter('configcache', 0, getTempFolder())); |
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$instance->setFlush($flush); |
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// Set collection creator |
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$instance->setCollectionCreator(function () { |
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return $this->createCore(); |
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}); |
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return $instance; |
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} |
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/** |
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* Rebuild new uncached config, which is mutable |
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* |
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* @return MemoryConfigCollection |
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*/ |
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public function createCore() |
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{ |
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$config = new MemoryConfigCollection(); |
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// Set default middleware |
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$config->setMiddlewares([ |
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new InheritanceMiddleware(Config::UNINHERITED), |
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new ExtensionMiddleware(Config::EXCLUDE_EXTRA_SOURCES), |
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]); |
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// Transform |
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$config->transform([ |
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$this->buildStaticTransformer(), |
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$this->buildYamlTransformer() |
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]); |
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return $config; |
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} |
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/** |
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* @return YamlTransformer |
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*/ |
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protected function buildYamlTransformer() |
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{ |
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// Get all module dirs |
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$modules = ModuleLoader::instance()->getManifest()->getModules(); |
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$dirs = []; |
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foreach ($modules as $module) { |
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// Load from _config dirs |
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$path = $module->getPath() . '/_config'; |
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if (is_dir($path)) { |
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$dirs[] = $path; |
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} |
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} |
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return $this->buildYamlTransformerForPath($dirs); |
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} |
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/** |
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* @return PrivateStaticTransformer |
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*/ |
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public function buildStaticTransformer() |
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{ |
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return new PrivateStaticTransformer(function () { |
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$classes = ClassLoader::instance()->getManifest()->getClasses(); |
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return array_keys($classes); |
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}); |
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} |
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/** |
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* @param array|string $dirs Base dir to load from |
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* @return YamlTransformer |
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*/ |
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public function buildYamlTransformerForPath($dirs) |
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{ |
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// Construct |
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$transformer = YamlTransformer::create( |
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BASE_PATH, |
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Finder::create() |
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->in($dirs) |
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->files() |
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->name('/\.(yml|yaml)$/') |
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); |
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// Add default rules |
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$envvarset = function ($var, $value = null) { |
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if (getenv($var) === false) { |
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return false; |
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} |
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if ($value) { |
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return getenv($var) === $value; |
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} |
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return true; |
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}; |
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$constantdefined = function ($const, $value = null) { |
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if (!defined($const)) { |
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return false; |
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} |
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if ($value) { |
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return constant($const) === $value; |
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} |
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return true; |
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}; |
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return $transformer |
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->addRule('classexists', function ($class) { |
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return class_exists($class); |
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}) |
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->addRule('envvarset', $envvarset) |
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->addRule('constantdefined', $constantdefined) |
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->addRule( |
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'envorconstant', |
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// Composite rule |
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function ($name, $value = null) use ($envvarset, $constantdefined) { |
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return $envvarset($name, $value) || $constantdefined($name, $value); |
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} |
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) |
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->addRule('environment', function ($env) { |
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$current = Director::get_environment_type(); |
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return strtolower($current) === strtolower($env); |
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}) |
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->addRule('moduleexists', function ($module) { |
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return ModuleLoader::instance()->getManifest()->moduleExists($module); |
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}); |
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} |
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} |
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silverstripe /
silverstripe-framework
