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<?php |
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namespace samsonphp\core; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use samsonframework\core\SystemInterface; |
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use samsonphp\config\Scheme; |
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use samsonphp\core\exception\CannotLoadModule; |
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use samsonphp\event\Event; |
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/** |
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* Core |
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* |
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* @package samsonphp/core |
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* @author Vitaly Iegorov <[email protected]> |
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*/ |
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class Core implements CoreInterface |
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{ |
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/** @var string Current system environment */ |
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protected $environment; |
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/** @var Module[] Loaded modules collection */ |
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protected $modules = []; |
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/** |
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* Core constructor |
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*/ |
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public function __construct() |
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{ |
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// Fire core creation event |
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Event::fire(self::E_CREATED, [&$this]); |
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} |
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/** |
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* Change current system working environment. |
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* |
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* @param string $environment Environment identifier |
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* |
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* @return $this Chaining |
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*/ |
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public function environment($environment = Scheme::BASE) |
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{ |
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// Fire core environment change |
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Event::fire(self::E_ENVIRONMENT, [&$this, &$environment]); |
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$this->environment = $environment; |
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return $this; |
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} |
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/** |
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* Load module. |
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* |
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* @param ModuleInterface $instance Module ancestor for loading |
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* |
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* @param string|null $alias Module alias |
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* |
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* @return $this Chaining |
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* |
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* @throws CannotLoadModule On alias duplication |
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*/ |
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public function load($instance, $alias = null) |
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{ |
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// If no alias is passed - use fully qualified class name |
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$alias = $alias ?: get_class($instance); |
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// Check for duplicating aliases |
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if (array_key_exists($alias, $this->modules)) { |
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throw new CannotLoadModule($alias.' - alias already in use'); |
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} |
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// Fire core before module loading |
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Event::fire(self::E_BEFORE_LOADED, [&$this, &$instance, &$alias]); |
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// Store module instance by alias or class name |
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$this->modules[$alias] = $instance; |
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// Fire core before module loading |
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Event::fire(self::E_AFTER_LOADED, [&$this, &$instance, &$alias]); |
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return $this; |
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} |
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/** |
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* Process request. |
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* Method supports PSR middleware approach. |
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* |
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* @param RequestInterface $request Request instance |
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* @param ResponseInterface $response Response instance |
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* @param callable|null $next Next callable middleware |
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* |
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* @return ResponseInterface Processed response instance |
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*/ |
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public function process(RequestInterface $request, ResponseInterface $response, callable $next = null) |
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{ |
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} |
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} |
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samsonos /
php_core
