ModelAndView as HttpResponse

main/Base/AbstractCollection.class.php

@@ -9,7 +9,7 @@
  *                                                                         *
  ***************************************************************************/
 
-	abstract class AbstractCollection implements Collection
+	abstract class AbstractCollection implements Collection, IteratorAggregate
 	{
 		protected $items  = array();
 
@@ -49,7 +49,7 @@ public function isEmpty()
 		{
 			return (count($this->items) == 0);
 		}
-		
+
 		public function size()
 		{
 			return count($this->items);
@@ -94,5 +94,10 @@ public function has($name)
 		{
 			return isset($this->items[$name]);
 		}
+
+		public function getIterator()
+		{
+			return new ArrayIterator($this->items);
+		}
 	}
 ?>

main/Flow/HttpController.class.php

@@ -0,0 +1,55 @@
+<?php
+/***************************************************************************
+ *   Copyright (C) 2013 by Nikita V. Konstantinov                          *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU Lesser General Public License as        *
+ *   published by the Free Software Foundation; either version 3 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ ***************************************************************************/
+
+	/**
+	 * @ingroup Flow
+	**/
+	abstract class HttpController implements Controller
+	{
+		/**
+		 * @return ModelAndView
+		**/
+		protected function redirect($url, $status = HttpStatus::CODE_302)
+		{
+			return
+				RedirectResponse::create()->
+					setUrl($url)->
+					setStatus(new HttpStatus($status))
+			;
+		}
+
+		/**
+		 * @return ModelAndView
+		**/
+		protected function createNotFoundResponse()
+		{
+			return
+				ModelAndView::create()->
+					setStatus(
+						new HttpStatus(HttpStatus::CODE_404)
+					)
+			;
+		}
+
+		/**
+		 * @return ModelAndView
+		**/
+		protected function createForbiddenResponse()
+		{
+			return
+				ModelAndView::create()->
+					setStatus(
+						new HttpStatus(HttpStatus::CODE_403)
+					)
+			;
+		}
+	}
+?>

main/Flow/HttpFrontController.class.php

@@ -0,0 +1,80 @@
+<?php
+/***************************************************************************
+ *   Copyright (C) 2013 by Nikita V. Konstantinov                          *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU Lesser General Public License as        *
+ *   published by the Free Software Foundation; either version 3 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ ***************************************************************************/
+
+	/**
+	 * @ingroup Flow
+	**/
+	abstract class HttpFrontController
+	{
+		/**
+		 * @var HttpRequest
+		 */
+		protected $request = null;
+
+		/**
+		 * @var Controller
+		 */
+		protected $controller = null;
+
+		/**
+		 * @var ModelAndView
+		 */
+		protected $response = null;
+
+		/**
+		 * @var ViewResolver
+		 */
+		protected $resolver = null;
+
+		/**
+		 * @return Controller
+		 */
+		abstract protected function getController();
+
+		public function __construct(ViewResolver $resolver)
+		{
+			$this->resolver = $resolver;
+		}
+
+		public function handleRequest(HttpRequest $request)
+		{
+			$this->request  = $request;
+			$this->response = $this->getController()->handleRequest($request);
+
+			$this->render()->terminateRequest();
+
+			return $this;
+		}
+
+		protected function render()
+		{
+			if (is_string($this->response->getView())) {
+				$this->response->setView(
+					$this->resolver->resolveViewName(
+						$this->response->getView()
+					)
+				);
+			}
+
+			$this->response->render();
+
+			return $this;
+		}
+
+		protected function terminateRequest()
+		{
+			if (function_exists('fastcgi_finish_request'))
+				fastcgi_finish_request();
+
+			return $this;
+		}
+	}
+?>

main/Flow/ModelAndView.class.php

@@ -12,23 +12,52 @@
 	/**
 	 * @ingroup Flow
 	**/
-	class ModelAndView
+	class ModelAndView implements HttpResponse
 	{
-		private $model 	= null;
-
-		private $view	= null;
-
+		/**
+		 * @var Model
+		**/
+		private $model 	          = null;
+
+		/**
+		 * @var View|string
+		**/
+		private $view	          = null;
+
+		/**
+		 * @var HttpStatus
+		**/
+		private $status           = null;
+
+		/**
+		 * @var HttpHeaderCollection
+		**/
+		private $headerCollection = null;
+
+		/**
+		 * @var CookieCollection
+		**/
+		private $cookieCollection = null;
+
+		/**
+		 * @var bool
+		**/
+		private $enabledContentLength = false;
+
 		/**
 		 * @return ModelAndView
 		**/
 		public static function create()
 		{
-			return new self;
+			return new static();
 		}
 
 		public function __construct()
 		{
 			$this->model = new Model();
+			$this->status = new HttpStatus(HttpStatus::CODE_200);
+			$this->headerCollection = new HttpHeaderCollection();
+			$this->cookieCollection = new CookieCollection();
 		}
 
 		/**
@@ -68,7 +97,10 @@ public function setView($view)
 
 			return $this;
 		}
-
+
+		/**
+		 * @deprecated
+		**/
 		public function viewIsRedirect()
 		{
 			return
@@ -78,13 +110,149 @@ public function viewIsRedirect()
 					&& strpos($this->view, 'redirect') === 0
 				);
 		}
-
+
+		/**
+		 * @deprecated
+		**/
 		public function viewIsNormal()
 		{
 			return (
 				!$this->viewIsRedirect()
 				&& $this->view !== View::ERROR_VIEW
 			);
 		}
+
+		/**
+		 * @return HttpHeaderCollection
+		**/
+		public function getHeaderCollection()
+		{
+			return $this->headerCollection;
+		}
+
+		/**
+		 * @return CookieCollection
+		**/
+		public function getCookieCollection()
+		{
+			return $this->cookieCollection;
+		}
+
+		public function enableContentLength()
+		{
+			$this->enabledContentLength = true;
+
+			return $this;
+		}
+
+		public function disableContentLength()
+		{
+			$this->enabledContentLength = false;
+
+			return $this;
+		}
+
+		public function setStatus(HttpStatus $status)
+		{
+			$this->status = $status;
+
+			return $this;
+		}
+
+		/**
+		 * @return HttpStatus
+		 **/
+		public function getStatus()
+		{
+			return $this->status;
+		}
+
+		public function getReasonPhrase()
+		{
+			return $this->status->getName();
+		}
+
+		public function getHeaders()
+		{
+			return $this->headerCollection->getAll();
+		}
+
+		public function hasHeader($name)
+		{
+			return $this->headerCollection->has($name);
+		}
+
+		public function getHeader($name)
+		{
+			return $this->headerCollection->get($name);
+		}
+
+		/**
+		 * @throws RuntimeException
+		**/
+		public function getBody()
+		{
+			if (!$this->view)
+				return null;
+
+			if (is_string($this->view)) {
+				throw new RuntimeException(
+					sprintf('View "%s" must be resolved', $this->view)
+				);
+			}
+
+			ob_start();
+
+			try {
+				$this->view->render($this->model);
+			} catch (Exception $e) {
+				ob_end_clean();
+
+				throw new RuntimeException(
+					'Error while rendering view',
+					(int) $e->getCode(),
+					$e
+				);
+			}
+
+			return ob_get_clean();
+		}
+
+		public function render()
+		{
+			if ($this->enabledContentLength) {
+				$content = $this->getBody();
+				$this->headerCollection->set('Content-Length', strlen($content));
+				$this->sendHeaders();
+
+				echo $content;
+			} else {
+				Assert::isInstance($this->view, 'View');
+
+				$this->sendHeaders();
+				$this->view->render($this->model);
+			}
+
+			return $this;
+		}
+
+		public function sendHeaders()
+		{
+			if (headers_sent($file, $line)) {
+				throw new LogicException(
+					sprintf('Headers are gone at %s:%d', $file, $line)
+				);
+			}
+
+			header($this->status->toString());
+
+			foreach ($this->headerCollection as $name => $valueList)
+				foreach ($valueList as $value)
+					header($name.': '.$value, true);
+
+			$this->cookieCollection->httpSetAll();
+
+			return $this;
+		}
 	}
 ?>