From e95b8d93d8c9e71cd4e865908933154cf9dbf43f Mon Sep 17 00:00:00 2001
From: Marcin Kurczewski <mkurczew@gmail.com>
Date: Fri, 16 May 2014 21:38:33 +0200
Subject: [PATCH] Simplified view management

---
 lib/chibi-core                            |   2 +-
 public_html/dispatch.php                  |  94 +-----
 src/Controllers/AbstractController.php    |  82 +++++
 src/Controllers/AuthController.php        |  54 +--
 src/Controllers/CommentController.php     |  30 +-
 src/Controllers/ErrorController.php       |  30 ++
 src/Controllers/LogController.php         |  25 +-
 src/Controllers/PostController.php        | 133 +++++---
 src/Controllers/StaticPagesController.php |   8 +-
 src/Controllers/TagController.php         |  86 +++--
 src/Controllers/UserController.php        | 388 ++++++++++++----------
 src/Dispatcher.php                        |  77 +++++
 src/Helpers/Assets.php                    |  38 +--
 src/Helpers/SessionHelper.php             |  42 ++-
 src/Messenger.php                         |  15 +-
 src/View.php                              |  22 ++
 src/Views/auth-login.phtml                |   6 +-
 src/Views/comment/comment-add.phtml       |   4 +-
 src/Views/comment/comment-edit.phtml      |   4 +-
 src/Views/comment/comment-list.phtml      |  16 +-
 src/Views/comment/comment-small.phtml     |   6 +-
 src/Views/debug.phtml                     |   5 +-
 src/Views/layout-normal.phtml             |  18 +-
 src/Views/log/log-view.phtml              |   8 +-
 src/Views/paginator.phtml                 |   4 +-
 src/Views/post/post-file-render.phtml     |   2 +-
 src/Views/post/post-list-wrapper.phtml    |  10 +-
 src/Views/post/post-list.phtml            |  12 +-
 src/Views/post/post-small.phtml           |   2 +-
 src/Views/post/post-upload.phtml          |  10 +-
 src/Views/post/post-view.phtml            |  24 +-
 src/Views/static/static-help.phtml        |   4 +-
 src/Views/static/static-main.phtml        |   6 +-
 src/Views/tag/tag-list-wrapper.phtml      |  30 +-
 src/Views/tag/tag-list.phtml              |   2 +-
 src/Views/tag/tag-merge.phtml             |   2 +-
 src/Views/tag/tag-rename.phtml            |   2 +-
 src/Views/top-navigation.phtml            |  16 +-
 src/Views/user/user-delete.phtml          |   2 +-
 src/Views/user/user-edit.phtml            |   2 +-
 src/Views/user/user-list.phtml            |   6 +-
 src/Views/user/user-registration.phtml    |   8 +-
 src/Views/user/user-select.phtml          |   6 +-
 src/Views/user/user-settings.phtml        |   2 +-
 src/Views/user/user-view.phtml            |  14 +-
 45 files changed, 803 insertions(+), 556 deletions(-)
 create mode 100644 src/Controllers/AbstractController.php
 create mode 100644 src/Controllers/ErrorController.php
 create mode 100644 src/Dispatcher.php
 create mode 100644 src/View.php

diff --git a/lib/chibi-core b/lib/chibi-core
index 19bb5ee3..78597486 160000
--- a/lib/chibi-core
+++ b/lib/chibi-core
@@ -1 +1 @@
-Subproject commit 19bb5ee3901cf6402d7507c30b8fc183c3fc0bcc
+Subproject commit 78597486abb1bd6344a64a70c87d9deca14b7ff7
diff --git a/public_html/dispatch.php b/public_html/dispatch.php
index 9487a97d..7a8f9dd1 100644
--- a/public_html/dispatch.php
+++ b/public_html/dispatch.php
@@ -1,95 +1,5 @@
 <?php
 require_once '../src/core.php';
 
-if (isset($_SERVER['REDIRECT_URL']))
-	$query = rtrim($_SERVER['REDIRECT_URL'], '/');
-else
-	$query = rtrim($_SERVER['REQUEST_URI'], '/');
-$context = Core::getContext();
-$context->query = $query;
-
-function renderView()
-{
-	$context = Core::getContext();
-	\Chibi\View::render($context->layoutName, $context);
-}
-
-$context->simpleControllerName = null;
-$context->simpleActionName = null;
-
-\Chibi\Router::setObserver(function($route, $args)
-{
-	$context = Core::getContext();
-	$context->route = $route;
-	list ($className, $methodName) = $route->destination;
-
-	$context->simpleControllerName = TextCaseConverter::convert(
-		str_replace('Controller', '', $className),
-		TextCaseConverter::CAMEL_CASE,
-		TextCaseConverter::SPINAL_CASE);
-
-	$context->simpleActionName = TextCaseConverter::convert(
-		preg_replace('/Action|View/', '', $methodName),
-		TextCaseConverter::CAMEL_CASE,
-		TextCaseConverter::SPINAL_CASE);
-
-	$context->viewName = sprintf(
-		'%s-%s',
-		$context->simpleControllerName,
-		$context->simpleActionName);
-});
-
-Assets::setTitle(Core::getConfig()->main->title);
-
-$context->handleExceptions = false;
-$context->layoutName
-	= isset($_SERVER['HTTP_X_AJAX'])
-	? 'layout-json'
-	: 'layout-normal';
-$context->viewName = '';
-$context->transport = new StdClass;
-
-SessionHelper::init();
-if (!Auth::isLoggedIn())
-	Auth::tryAutoLogin();
-
-register_shutdown_function(function()
-{
-	$error = error_get_last();
-	if ($error !== null)
-		\Chibi\Util\Headers::setCode(400);
-});
-
-try
-{
-	try
-	{
-		\Chibi\Router::run($query);
-		renderView();
-		AuthController::observeWorkFinish();
-	}
-	catch (\Chibi\UnhandledRouteException $e)
-	{
-		throw new SimpleNotFoundException($query . ' not found.');
-	}
-}
-catch (SimpleException $e)
-{
-	if ($e instanceof SimpleNotFoundException)
-		\Chibi\Util\Headers::setCode(404);
-	else
-		\Chibi\Util\Headers::setCode(400);
-	Messenger::message($e->getMessage(), false);
-	if (!$context->handleExceptions)
-		$context->viewName = 'message';
-	renderView();
-}
-catch (Exception $e)
-{
-	\Chibi\Util\Headers::setCode(400);
-	Messenger::message($e->getMessage(), false);
-	$context->transport->exception = $e;
-	$context->transport->queries = \Chibi\Database::getLogs();
-	$context->viewName = 'error-exception';
-	renderView();
-}
+$dispatcher = new Dispatcher();
+$dispatcher->run();
diff --git a/src/Controllers/AbstractController.php b/src/Controllers/AbstractController.php
new file mode 100644
index 00000000..8bfed787
--- /dev/null
+++ b/src/Controllers/AbstractController.php
@@ -0,0 +1,82 @@
+<?php
+class AbstractController
+{
+	protected $assets;
+	private $layoutName;
+	private static $isRendered;
+
+	public function isAjax()
+	{
+		return isset($_SERVER['HTTP_X_AJAX']);
+	}
+
+	public function __construct()
+	{
+		$this->switchLayout('layout-normal');
+
+		$this->assets = new Assets();
+		$this->assets->setTitle(Core::getConfig()->main->title);
+	}
+
+	public function __destruct()
+	{
+		if ($this->isAjax())
+			$this->renderAjax();
+	}
+
+	public function renderAjax()
+	{
+		$this->switchLayout('layout-json');
+		$this->renderView(null);
+	}
+
+	public function renderFile()
+	{
+		$this->switchLayout('layout-file');
+		$this->renderView(null);
+	}
+
+	public function renderView($viewName)
+	{
+		//no matter which controller runs it (including ErrorController), render only once
+		if (self::isRendered())
+			return;
+
+		self::markAsRendered();
+		$context = Core::getContext();
+		if ($viewName !== null)
+			$context->viewName = $viewName;
+		View::renderTopLevel($this->layoutName, $this->assets);
+	}
+
+
+	protected function redirectToLastVisitedUrl($filter = null)
+	{
+		$targetUrl = SessionHelper::getLastVisitedUrl($filter);
+		if (!$targetUrl)
+			$targetUrl = \Chibi\Router::linkTo(['StaticPagesController', 'mainPageView']);
+		$this->redirect($targetUrl);
+	}
+
+	protected function redirect($url)
+	{
+		if (!$this->isAjax())
+			\Chibi\Util\Url::forward($url);
+	}
+
+
+	private static function isRendered()
+	{
+		return self::$isRendered;
+	}
+
+	private static function markAsRendered()
+	{
+		self::$isRendered = true;
+	}
+
+	private function switchLayout($layoutName)
+	{
+		$this->layoutName = $layoutName;
+	}
+}
diff --git a/src/Controllers/AuthController.php b/src/Controllers/AuthController.php
index 35385003..9f215d12 100644
--- a/src/Controllers/AuthController.php
+++ b/src/Controllers/AuthController.php
@@ -1,53 +1,35 @@
 <?php
-class AuthController
+class AuthController extends AbstractController
 {
 	public function loginView()
 	{
-		//check if already logged in
 		if (Auth::isLoggedIn())
-			self::redirect();
+			$this->redirectToLastVisitedUrl('auth');
+		else
+			$this->renderView('auth-login');
 	}
 
 	public function loginAction()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'auth-login';
-		$context->handleExceptions = true;
+		try
+		{
+			$suppliedName = InputHelper::get('name');
+			$suppliedPassword = InputHelper::get('password');
+			$remember = boolval(InputHelper::get('remember'));
+			Auth::login($suppliedName, $suppliedPassword, $remember);
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
+			$this->renderView('auth-login');
+		}
 
-		$suppliedName = InputHelper::get('name');
-		$suppliedPassword = InputHelper::get('password');
-		$remember = boolval(InputHelper::get('remember'));
-		Auth::login($suppliedName, $suppliedPassword, $remember);
-		self::redirect();
+		$this->redirectToLastVisitedUrl('auth');
 	}
 
 	public function logoutAction()
 	{
 		Auth::logout();
-		self::redirect();
-	}
-
-	public static function observeWorkFinish()
-	{
-		if (strpos(\Chibi\Util\Headers::get('Content-Type'), 'text/html') === false)
-			return;
-		if (\Chibi\Util\Headers::getCode() != 200)
-			return;
-		$context = Core::getContext();
-		if ($context->simpleControllerName == 'auth')
-			return;
-		$_SESSION['login-redirect-url'] = $context->query;
-	}
-
-	private static function redirect()
-	{
-		if (isset($_SESSION['login-redirect-url']))
-		{
-			\Chibi\Util\Url::forward(\Chibi\Util\Url::makeAbsolute($_SESSION['login-redirect-url']));
-			unset($_SESSION['login-redirect-url']);
-			exit;
-		}
-		\Chibi\Util\Url::forward(\Chibi\Router::linkTo(['StaticPagesController', 'mainPageView']));
-		exit;
+		$this->redirectToLastVisitedUrl('auth');
 	}
 }
diff --git a/src/Controllers/CommentController.php b/src/Controllers/CommentController.php
index 829cb8e6..32f88f1f 100644
--- a/src/Controllers/CommentController.php
+++ b/src/Controllers/CommentController.php
@@ -1,5 +1,5 @@
 <?php
-class CommentController
+class CommentController extends AbstractController
 {
 	public function listView($page = 1)
 	{
@@ -12,6 +12,7 @@ class CommentController
 		$context = Core::getContext();
 		$context->transport->posts = $ret->entities;
 		$context->transport->paginator = $ret;
+		$this->renderView('comment-list');
 	}
 
 	public function addAction()
@@ -26,6 +27,7 @@ class CommentController
 				]);
 
 			Core::getContext()->transport->textPreview = $comment->getTextMarkdown();
+			$this->renderAjax();
 		}
 		else
 		{
@@ -35,13 +37,18 @@ class CommentController
 					JobArgs::ARG_POST_ID => InputHelper::get('post-id'),
 					JobArgs::ARG_NEW_TEXT => InputHelper::get('text')
 				]);
+
+			if ($this->isAjax())
+				$this->renderAjax();
+			else
+				$this->redirectToLastVisitedUrl();
 		}
-		$this->redirectToLastVisitedUrl();
 	}
 
 	public function editView($id)
 	{
 		Core::getContext()->transport->comment = CommentModel::getById($id);
+		$this->renderView('comment-edit');
 	}
 
 	public function editAction($id)
@@ -56,6 +63,7 @@ class CommentController
 				]);
 
 			Core::getContext()->transport->textPreview = $comment->getTextMarkdown();
+			$this->renderAjax();
 		}
 		else
 		{
@@ -65,8 +73,12 @@ class CommentController
 					JobArgs::ARG_COMMENT_ID => $id,
 					JobArgs::ARG_NEW_TEXT => InputHelper::get('text')
 				]);
+
+			if ($this->isAjax())
+				$this->renderAjax();
+			else
+				$this->redirectToLastVisitedUrl('comment/');
 		}
-		$this->redirectToLastVisitedUrl();
 	}
 
 	public function deleteAction($id)
@@ -76,14 +88,10 @@ class CommentController
 			[
 				JobArgs::ARG_COMMENT_ID => $id,
 			]);
-		$this->redirectToLastVisitedUrl();
-	}
 
-	private function redirectToLastVisitedUrl()
-	{
-		$lastUrl = SessionHelper::getLastVisitedUrl();
-		if ($lastUrl)
-			\Chibi\Util\Url::forward($lastUrl);
-		exit;
+		if ($this->isAjax())
+			$this->renderAjax();
+		else
+			$this->redirectToLastVisitedUrl('comment/');
 	}
 }
diff --git a/src/Controllers/ErrorController.php b/src/Controllers/ErrorController.php
new file mode 100644
index 00000000..144f9331
--- /dev/null
+++ b/src/Controllers/ErrorController.php
@@ -0,0 +1,30 @@
+<?php
+class ErrorController extends AbstractController
+{
+	public function simpleExceptionView(Exception $exception)
+	{
+		if ($exception instanceof SimpleNotFoundException)
+			\Chibi\Util\Headers::setCode(404);
+		else
+			\Chibi\Util\Headers::setCode(400);
+		Messenger::fail($exception->getMessage());
+
+		if ($this->isAjax())
+			$this->renderAjax();
+		else
+			$this->renderView('message');
+	}
+
+	public function seriousExceptionView(Exception $exception)
+	{
+		\Chibi\Util\Headers::setCode(400);
+		Messenger::fail($exception->getMessage());
+		$context->transport->exception = $exception;
+		$context->transport->queries = \Chibi\Database::getLogs();
+
+		if ($this->isAjax())
+			$this->renderAjax();
+		else
+			$this->renderView('error-exception');
+	}
+}
diff --git a/src/Controllers/LogController.php b/src/Controllers/LogController.php
index df93ca20..d12b2ce9 100644
--- a/src/Controllers/LogController.php
+++ b/src/Controllers/LogController.php
@@ -1,30 +1,27 @@
 <?php
-class LogController
+class LogController extends AbstractController
 {
 	public function listView()
 	{
 		$ret = Api::run(new ListLogsJob(), []);
 		Core::getContext()->transport->logs = $ret;
+		$this->renderView('log-list');
 	}
 
 	public function logView($name, $page = 1, $filter = '')
 	{
-		$context = Core::getContext();
-		$context->viewName = 'log-view';
-
 		//redirect requests in form of ?query=... to canonical address
 		$formQuery = InputHelper::get('query');
 		if ($formQuery !== null)
 		{
-			\Chibi\Util\Url::forward(
-				\Chibi\Router::linkTo(
-					['LogController', 'logView'],
-					[
-						'name' => $name,
-						'filter' => $formQuery,
-						'page' => 1
-					]));
-			exit;
+			$this->redirect(\Chibi\Router::linkTo(
+				['LogController', 'logView'],
+				[
+					'name' => $name,
+					'filter' => $formQuery,
+					'page' => 1
+				]));
+			return;
 		}
 
 		$ret = Api::run(
@@ -46,9 +43,11 @@ class LogController
 		$lines = TextHelper::parseMarkdown($lines, true);
 		$lines = trim($lines);
 
+		$context = Core::getContext();
 		$context->transport->paginator = $ret;
 		$context->transport->lines = $lines;
 		$context->transport->filter = $filter;
 		$context->transport->name = $name;
+		$this->renderView('log-view');
 	}
 }
diff --git a/src/Controllers/PostController.php b/src/Controllers/PostController.php
index 99dbf96f..70db4d14 100644
--- a/src/Controllers/PostController.php
+++ b/src/Controllers/PostController.php
@@ -1,68 +1,75 @@
 <?php
-class PostController
+class PostController extends AbstractController
 {
 	public function listView($query = null, $page = 1, $source = 'posts', $additionalInfo = null)
 	{
 		$context = Core::getContext();
-		$context->viewName = 'post-list-wrapper';
 		$context->source = $source;
 		$context->additionalInfo = $additionalInfo;
-		$context->handleExceptions = true;
 
-		//redirect requests in form of /posts/?query=... to canonical address
-		$formQuery = InputHelper::get('query');
-		if ($formQuery !== null)
+		try
 		{
-			$context->transport->searchQuery = $formQuery;
-			$context->transport->lastSearchQuery = $formQuery;
-			if (strpos($formQuery, '/') !== false)
-				throw new SimpleException('Search query contains invalid characters');
+			//redirect requests in form of /posts/?query=... to canonical address
+			$formQuery = InputHelper::get('query');
+			if ($formQuery !== null)
+			{
+				$context->transport->searchQuery = $formQuery;
+				$context->transport->lastSearchQuery = $formQuery;
+				if (strpos($formQuery, '/') !== false)
+					throw new SimpleException('Search query contains invalid characters');
 
-			$url = \Chibi\Router::linkTo(['PostController', 'listView'], [
-				'source' => $source,
-				'additionalInfo' => $additionalInfo,
-				'query' => $formQuery]);
-			\Chibi\Util\Url::forward($url);
-			exit;
+				$url = \Chibi\Router::linkTo(['PostController', 'listView'], [
+					'source' => $source,
+					'additionalInfo' => $additionalInfo,
+					'query' => $formQuery]);
+				$this->redirect($url);
+				return;
+			}
+
+			$query = trim($query);
+			$context->transport->searchQuery = $query;
+			$context->transport->lastSearchQuery = $query;
+			if ($source == 'mass-tag')
+			{
+				Access::assert(new Privilege(Privilege::MassTag));
+				$context->massTagTag = $additionalInfo;
+				$context->massTagQuery = $query;
+
+				if (!Access::check(new Privilege(Privilege::MassTag, 'all')))
+					$query = trim($query . ' submit:' . Auth::getCurrentUser()->getName());
+			}
+
+			$ret = Api::run(
+				new ListPostsJob(),
+				[
+					JobArgs::ARG_PAGE_NUMBER => $page,
+					JobArgs::ARG_QUERY => $query
+				]);
+
+			$context->transport->posts = $ret->entities;
+			$context->transport->paginator = $ret;
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
 		}
 
-		$query = trim($query);
-		$context->transport->searchQuery = $query;
-		$context->transport->lastSearchQuery = $query;
-		if ($source == 'mass-tag')
-		{
-			Access::assert(new Privilege(Privilege::MassTag));
-			$context->massTagTag = $additionalInfo;
-			$context->massTagQuery = $query;
-
-			if (!Access::check(new Privilege(Privilege::MassTag, 'all')))
-				$query = trim($query . ' submit:' . Auth::getCurrentUser()->getName());
-		}
-
-		$ret = Api::run(
-			new ListPostsJob(),
-			[
-				JobArgs::ARG_PAGE_NUMBER => $page,
-				JobArgs::ARG_QUERY => $query
-			]);
-
-		$context->transport->posts = $ret->entities;
-		$context->transport->paginator = $ret;
+		$this->renderView('post-list-wrapper');
 	}
 
 	public function favoritesView($page = 1)
 	{
-		$this->listView('favmin:1', $page);
+		$this->listView('favmin:1', $page, 'favorites');
 	}
 
 	public function upvotedView($page = 1)
 	{
-		$this->listView('scoremin:1', $page);
+		$this->listView('scoremin:1', $page, 'upvoted');
 	}
 
 	public function randomView($page = 1)
 	{
-		$this->listView('order:random', $page);
+		$this->listView('order:random', $page, 'random');
 	}
 
 	public function toggleTagAction($id, $tag, $enable)
@@ -79,11 +86,15 @@ class PostController
 				JobArgs::ARG_NEW_STATE => $enable,
 			]);
 
-		$this->redirectToLastVisitedUrl();
+		if ($this->isAjax())
+			$this->renderAjax();
+		else
+			$this->redirectToLastVisitedUrl();
 	}
 
 	public function uploadView()
 	{
+		$this->renderView('post-upload');
 	}
 
 	public function uploadAction()
@@ -111,6 +122,11 @@ class PostController
 		}
 
 		Api::run(new AddPostJob(), $jobArgs);
+
+		if ($this->isAjax())
+			$this->renderAjax();
+		else
+			$this->redirectToPostList();
 	}
 
 	public function editView($id)
@@ -119,6 +135,7 @@ class PostController
 			JobArgs::ARG_POST_ID => $id]);
 
 		$context = Core::getContext()->transport->post = $post;
+		$this->renderView('post-edit');
 	}
 
 	public function editAction($id)
@@ -163,13 +180,21 @@ class PostController
 		}
 
 		Api::run(new EditPostJob(), $jobArgs);
-		$this->redirectToGenericView($id);
+
+		if ($this->isAjax())
+			$this->renderAjax();
+		else
+			$this->redirectToGenericView($id);
 	}
 
 	public function flagAction($id)
 	{
 		Api::run(new FlagPostJob(), [JobArgs::ARG_POST_ID => $id]);
-		$this->redirectToGenericView($id);
+
+		if ($this->isAjax())
+			$this->renderAjax();
+		else
+			$this->redirectToGenericView($id);
 	}
 
 	public function hideAction($id)
@@ -192,7 +217,7 @@ class PostController
 	{
 		Api::run(new DeletePostJob(), [
 			JobArgs::ARG_POST_ID => $id]);
-		$this->redirectToGenericView($id);
+		$this->redirectToPostList();
 	}
 
 	public function addFavoriteAction($id)
@@ -229,7 +254,6 @@ class PostController
 	public function genericView($id)
 	{
 		$context = Core::getContext();
-		$context->viewName = 'post-view';
 
 		$post = Api::run(new GetPostJob(), [
 			JobArgs::ARG_POST_ID => $id]);
@@ -262,6 +286,8 @@ class PostController
 		$context->transport->post = $post;
 		$context->transport->prevPostId = $prevPostId ? $prevPostId : null;
 		$context->transport->nextPostId = $nextPostId ? $nextPostId : null;
+
+		$this->renderView('post-view');
 	}
 
 	public function fileView($name)
@@ -275,7 +301,7 @@ class PostController
 		$context->transport->fileHash = 'post' . md5(substr($ret->fileContent, 0, 4096));
 		$context->transport->fileContent = $ret->fileContent;
 		$context->transport->lastModified = $ret->lastModified;
-		$context->layoutName = 'layout-file';
+		$this->renderFile();
 	}
 
 	public function thumbView($name)
@@ -289,9 +315,10 @@ class PostController
 		$context->transport->fileHash = 'thumb' . md5(substr($ret->fileContent, 0, 4096));
 		$context->transport->fileContent = $ret->fileContent;
 		$context->transport->lastModified = $ret->lastModified;
-		$context->layoutName = 'layout-file';
+		$this->renderFile();
 	}
 
+
 	private function splitPostIds($string)
 	{
 		$ids = preg_split('/\D/', trim($string));
@@ -309,19 +336,15 @@ class PostController
 		return $tags;
 	}
 
-	private function redirectToLastVisitedUrl()
+	private function redirectToPostList()
 	{
-		$lastUrl = SessionHelper::getLastVisitedUrl();
-		if ($lastUrl)
-			\Chibi\Util\Url::forward($lastUrl);
-		exit;
+		$this->redirect(\Chibi\Router::linkTo(['PostController', 'listView']));
 	}
 
 	private function redirectToGenericView($id)
 	{
-		\Chibi\Util\Url::forward(\Chibi\Router::linkTo(
+		$this->redirect(\Chibi\Router::linkTo(
 			['PostController', 'genericView'],
 			['id' => $id]));
-		exit;
 	}
 }
diff --git a/src/Controllers/StaticPagesController.php b/src/Controllers/StaticPagesController.php
index 990704e0..c50e6f92 100644
--- a/src/Controllers/StaticPagesController.php
+++ b/src/Controllers/StaticPagesController.php
@@ -1,11 +1,10 @@
 <?php
-class StaticPagesController
+class StaticPagesController extends AbstractController
 {
 	public function mainPageView()
 	{
 		$context = Core::getContext();
 		$context->transport->postCount = PostModel::getCount();
-		$context->viewName = 'static-main';
 		$context->transport->postSpaceUsage = PostModel::getSpaceUsage();
 
 		PostModel::featureRandomPostIfNecessary();
@@ -17,6 +16,8 @@ class StaticPagesController
 			$context->featuredPostUser = UserModel::tryGetByName(
 				PropertyModel::get(PropertyModel::FeaturedPostUserName));
 		}
+
+		$this->renderView('static-main');
 	}
 
 	public function helpView($tab = null)
@@ -31,9 +32,10 @@ class StaticPagesController
 		if (!isset($config->help->paths[$tab]))
 			throw new SimpleException('Invalid tab');
 
-		$context->viewName = 'static-help';
 		$context->path = TextHelper::absolutePath($config->help->paths[$tab]);
 		$context->tab = $tab;
+
+		$this->renderView('static-help');
 	}
 
 	public function fatalErrorView($code = null)
diff --git a/src/Controllers/TagController.php b/src/Controllers/TagController.php
index 531f3acf..4e278fec 100644
--- a/src/Controllers/TagController.php
+++ b/src/Controllers/TagController.php
@@ -1,5 +1,5 @@
 <?php
-class TagController
+class TagController extends AbstractController
 {
 	public function listView($filter = 'order:alpha,asc', $page = 1)
 	{
@@ -11,11 +11,11 @@ class TagController
 			]);
 
 		$context = Core::getContext();
-		$context->viewName = 'tag-list-wrapper';
 		$context->highestUsage = TagSearchService::getMostUsedTag()->getPostCount();
 		$context->filter = $filter;
 		$context->transport->tags = $ret->entities;
 		$context->transport->paginator = $ret;
+		$this->renderViewWithSource('tag-list-wrapper', 'list');
 	}
 
 	public function autoCompleteView()
@@ -42,6 +42,8 @@ class TagController
 						'count' => $tag->getPostCount(),
 					];
 				}, $ret->entities));
+
+		$this->renderAjax();
 	}
 
 	public function relatedView()
@@ -67,76 +69,94 @@ class TagController
 						'count' => $tag->getPostCount(),
 					];
 				}, $ret->entities));
+
+		$this->renderAjax();
 	}
 
 	public function mergeView()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'tag-list-wrapper';
+		$this->renderViewWithSource('tag-list-wrapper', 'merge');
 	}
 
 	public function mergeAction()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'tag-list-wrapper';
-		$context->handleExceptions = true;
+		try
+		{
+			Api::run(
+				new MergeTagsJob(),
+				[
+					JobArgs::ARG_SOURCE_TAG_NAME => InputHelper::get('source-tag'),
+					JobArgs::ARG_TARGET_TAG_NAME => InputHelper::get('target-tag'),
+				]);
 
-		Api::run(
-			new MergeTagsJob(),
-			[
-				JobArgs::ARG_SOURCE_TAG_NAME => InputHelper::get('source-tag'),
-				JobArgs::ARG_TARGET_TAG_NAME => InputHelper::get('target-tag'),
-			]);
+			Messenger::success('Tags merged successfully.');
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
+		}
 
-		Messenger::message('Tags merged successfully.');
+		$this->renderViewWithSource('tag-list-wrapper', 'merge');
 	}
 
 	public function renameView()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'tag-list-wrapper';
+		$this->renderViewWithSource('tag-list-wrapper', 'rename');
 	}
 
 	public function renameAction()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'tag-list-wrapper';
-		$context->handleExceptions = true;
+		try
+		{
+			Api::run(
+				new RenameTagsJob(),
+				[
+					JobArgs::ARG_SOURCE_TAG_NAME => InputHelper::get('source-tag'),
+					JobArgs::ARG_TARGET_TAG_NAME => InputHelper::get('target-tag'),
+				]);
 
-		Api::run(
-			new RenameTagsJob(),
-			[
-				JobArgs::ARG_SOURCE_TAG_NAME => InputHelper::get('source-tag'),
-				JobArgs::ARG_TARGET_TAG_NAME => InputHelper::get('target-tag'),
-			]);
+			Messenger::success('Tag renamed successfully.');
+		}
+		catch (Exception $e)
+		{
+			Messenger::fail($e->getMessage());
+		}
 
-		Messenger::message('Tag renamed successfully.');
+		$this->renderViewWithSource('tag-list-wrapper', 'rename');
 	}
 
 	public function massTagRedirectView()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'tag-list-wrapper';
-
 		Access::assert(new Privilege(Privilege::MassTag));
+		$this->renderViewWithSource('tag-list-wrapper', 'mass-tag');
 	}
 
 	public function massTagRedirectAction()
 	{
-		$this->massTagRedirectView();
+		Access::assert(new Privilege(Privilege::MassTag));
 		$suppliedOldPage = intval(InputHelper::get('old-page'));
 		$suppliedOldQuery = InputHelper::get('old-query');
 		$suppliedQuery = InputHelper::get('query');
 		$suppliedTag = InputHelper::get('tag');
 
-		$params = [
+		$params =
+		[
 			'source' => 'mass-tag',
 			'query' => $suppliedQuery ?: ' ',
 			'additionalInfo' => $suppliedTag ? $suppliedTag : '',
 		];
+
 		if ($suppliedOldPage != 0 and $suppliedOldQuery == $suppliedQuery)
 			$params['page'] = $suppliedOldPage;
-		\Chibi\Util\Url::forward(\Chibi\Router::linkTo(['PostController', 'listView'], $params));
-		exit;
+
+		$this->redirect(\Chibi\Router::linkTo(['PostController', 'listView'], $params));
+	}
+
+
+	private function renderViewWithSource($viewName, $source)
+	{
+		$context = Core::getContext();
+		$context->source = $source;
+		$this->renderView($viewName);
 	}
 }
diff --git a/src/Controllers/UserController.php b/src/Controllers/UserController.php
index 7c43adcc..943eb4bd 100644
--- a/src/Controllers/UserController.php
+++ b/src/Controllers/UserController.php
@@ -1,5 +1,5 @@
 <?php
-class UserController
+class UserController extends AbstractController
 {
 	public function listView($filter = 'order:alpha,asc', $page = 1)
 	{
@@ -11,117 +11,117 @@ class UserController
 			]);
 
 		$context = Core::getContext();
-
 		$context->filter = $filter;
 		$context->transport->users = $ret->entities;
 		$context->transport->paginator = $ret;
+		$this->renderView('user-list');
 	}
 
 	public function genericView($identifier, $tab = 'favs', $page = 1)
 	{
-		$user = Api::run(
-			new GetUserJob(),
-			$this->appendUserIdentifierArgument([], $identifier));
-
-		$flagged = in_array(TextHelper::reprUser($user), SessionHelper::get('flagged', []));
-
-		if ($tab == 'uploads')
-			$query = 'submit:' . $user->getName();
-		elseif ($tab == 'favs')
-			$query = 'fav:' . $user->getName();
-
-		elseif ($tab == 'delete')
-		{
-			Access::assert(new Privilege(
-				Privilege::DeleteUser,
-				Access::getIdentity($user)));
-		}
-		elseif ($tab == 'settings')
-		{
-			Access::assert(new Privilege(
-				Privilege::ChangeUserSettings,
-				Access::getIdentity($user)));
-		}
-		elseif ($tab == 'edit' and !(new EditUserJob)->canEditAnything(Auth::getCurrentUser()))
-			Access::fail();
-
-		$context = Core::getContext();
-		$context->flagged = $flagged;
-		$context->transport->tab = $tab;
-		$context->transport->user = $user;
-		$context->handleExceptions = true;
-		$context->viewName = 'user-view';
-
-		if (isset($query))
-		{
-			$ret = Api::run(
-				new ListPostsJob(),
-				[
-					JobArgs::ARG_PAGE_NUMBER => $page,
-					JobArgs::ARG_QUERY => $query
-				]);
-
-			$context->transport->posts = $ret->entities;
-			$context->transport->paginator = $ret;
-			$context->transport->lastSearchQuery = $query;
-		}
+		$this->prepareGenericView($identifier, $tab, $page);
+		$this->renderView('user-view');
 	}
 
 	public function settingsAction($identifier)
 	{
-		$this->genericView($identifier, 'settings');
+		$this->prepareGenericView($identifier, 'settings');
 
-		$suppliedSafety = InputHelper::get('safety');
-		$desiredSafety = PostSafety::makeFlags($suppliedSafety);
+		try
+		{
+			$suppliedSafety = InputHelper::get('safety');
+			$desiredSafety = PostSafety::makeFlags($suppliedSafety);
 
-		$user = Api::run(
-			new EditUserSettingsJob(),
-			$this->appendUserIdentifierArgument(
-			[
-				JobArgs::ARG_NEW_SETTINGS =>
+			$user = Api::run(
+				new EditUserSettingsJob(),
+				$this->appendUserIdentifierArgument(
 				[
-					UserSettings::SETTING_SAFETY => $desiredSafety,
-					UserSettings::SETTING_ENDLESS_SCROLLING => InputHelper::get('endless-scrolling'),
-					UserSettings::SETTING_POST_TAG_TITLES => InputHelper::get('post-tag-titles'),
-					UserSettings::SETTING_HIDE_DISLIKED_POSTS => InputHelper::get('hide-disliked-posts'),
-				]
-			], $identifier));
+					JobArgs::ARG_NEW_SETTINGS =>
+					[
+						UserSettings::SETTING_SAFETY => $desiredSafety,
+						UserSettings::SETTING_ENDLESS_SCROLLING => InputHelper::get('endless-scrolling'),
+						UserSettings::SETTING_POST_TAG_TITLES => InputHelper::get('post-tag-titles'),
+						UserSettings::SETTING_HIDE_DISLIKED_POSTS => InputHelper::get('hide-disliked-posts'),
+					]
+				], $identifier));
 
-		Core::getContext()->transport->user = $user;
-		if ($user->getId() == Auth::getCurrentUser()->getId())
-			Auth::setCurrentUser($user);
+			Core::getContext()->transport->user = $user;
+			if ($user->getId() == Auth::getCurrentUser()->getId())
+				Auth::setCurrentUser($user);
 
-		Messenger::message('Browsing settings updated!');
+			Messenger::success('Browsing settings updated!');
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
+		}
+
+		$this->renderView('user-view');
 	}
 
 	public function editAction($identifier)
 	{
-		$this->genericView($identifier, 'edit');
-		$this->requirePasswordConfirmation();
+		$this->prepareGenericView($identifier, 'edit');
 
-		if (InputHelper::get('password1') != InputHelper::get('password2'))
-			throw new SimpleException('Specified passwords must be the same');
+		try
+		{
+			$this->requirePasswordConfirmation();
 
-		$args =
-		[
-			JobArgs::ARG_NEW_USER_NAME => InputHelper::get('name'),
-			JobArgs::ARG_NEW_PASSWORD => InputHelper::get('password1'),
-			JobArgs::ARG_NEW_EMAIL => InputHelper::get('email'),
-			JobArgs::ARG_NEW_ACCESS_RANK => InputHelper::get('access-rank'),
-		];
-		$args = $this->appendUserIdentifierArgument($args, $identifier);
+			if (InputHelper::get('password1') != InputHelper::get('password2'))
+				throw new SimpleException('Specified passwords must be the same');
 
-		$args = array_filter($args);
-		$user = Api::run(new EditUserJob(), $args);
+			$args =
+			[
+				JobArgs::ARG_NEW_USER_NAME => InputHelper::get('name'),
+				JobArgs::ARG_NEW_PASSWORD => InputHelper::get('password1'),
+				JobArgs::ARG_NEW_EMAIL => InputHelper::get('email'),
+				JobArgs::ARG_NEW_ACCESS_RANK => InputHelper::get('access-rank'),
+			];
+			$args = $this->appendUserIdentifierArgument($args, $identifier);
 
-		if (Auth::getCurrentUser()->getId() == $user->getId())
-			Auth::setCurrentUser($user);
+			$args = array_filter($args);
+			$user = Api::run(new EditUserJob(), $args);
 
-		$message = 'Account settings updated!';
-		if (Mailer::getMailCounter() > 0)
-			$message .= ' You will be sent an e-mail address confirmation message soon.';
+			if (Auth::getCurrentUser()->getId() == $user->getId())
+				Auth::setCurrentUser($user);
 
-		Messenger::message($message);
+			$message = 'Account settings updated!';
+			if (Mailer::getMailCounter() > 0)
+				$message .= ' You will be sent an e-mail address confirmation message soon.';
+
+			Messenger::success($message);
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
+		}
+
+		$this->renderView('user-view');
+	}
+
+	public function deleteAction($identifier)
+	{
+		$this->prepareGenericView($identifier, 'delete');
+
+		try
+		{
+			$this->requirePasswordConfirmation();
+
+			Api::run(
+				new DeleteUserJob(),
+				$this->appendUserIdentifierArgument([], $identifier));
+
+			$user = UserModel::tryGetById(Auth::getCurrentUser()->getId());
+			if (!$user)
+				Auth::logOut();
+
+			$this->redirectToMainPage();
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
+			$this->renderView('user-view');
+		}
 	}
 
 	public function toggleSafetyAction($safety)
@@ -144,23 +144,6 @@ class UserController
 		$this->redirectToLastVisitedUrl();
 	}
 
-	public function deleteAction($identifier)
-	{
-		$this->genericView($identifier, 'delete');
-		$this->requirePasswordConfirmation();
-
-		Api::run(
-			new DeleteUserJob(),
-			$this->appendUserIdentifierArgument([], $identifier));
-
-		$user = UserModel::tryGetById(Auth::getCurrentUser()->getId());
-		if (!$user)
-			Auth::logOut();
-
-		\Chibi\Util\Url::forward(\Chibi\Router::linkTo(['StaticPagesController', 'mainPageView']));
-		exit;
-	}
-
 	public function flagAction($identifier)
 	{
 		Api::run(
@@ -199,70 +182,70 @@ class UserController
 
 	public function registrationView()
 	{
-		$context = Core::getContext();
-		$context->handleExceptions = true;
-
-		//check if already logged in
 		if (Auth::isLoggedIn())
-		{
-			\Chibi\Util\Url::forward(\Chibi\Router::linkTo(['StaticPagesController', 'mainPageView']));
-			exit;
-		}
+			$this->redirectToMainPage();
+		$this->renderView('user-registration');
 	}
 
 	public function registrationAction()
 	{
-		$this->registrationView();
-
-		if (InputHelper::get('password1') != InputHelper::get('password2'))
-			throw new SimpleException('Specified passwords must be the same');
-
-		$user = Api::run(new AddUserJob(),
-		[
-			JobArgs::ARG_NEW_USER_NAME => InputHelper::get('name'),
-			JobArgs::ARG_NEW_PASSWORD => InputHelper::get('password1'),
-			JobArgs::ARG_NEW_EMAIL => InputHelper::get('email'),
-		]);
-
-		if (!Core::getConfig()->registration->needEmailForRegistering and !Core::getConfig()->registration->staffActivation)
+		try
 		{
-			Auth::setCurrentUser($user);
+			if (InputHelper::get('password1') != InputHelper::get('password2'))
+				throw new SimpleException('Specified passwords must be the same');
+
+			$user = Api::run(new AddUserJob(),
+			[
+				JobArgs::ARG_NEW_USER_NAME => InputHelper::get('name'),
+				JobArgs::ARG_NEW_PASSWORD => InputHelper::get('password1'),
+				JobArgs::ARG_NEW_EMAIL => InputHelper::get('email'),
+			]);
+
+			if (!$this->isAnyAccountActivationNeeded())
+			{
+				Auth::setCurrentUser($user);
+			}
+
+			$message = 'Congratulations, your account was created.';
+			if (Mailer::getMailCounter() > 0)
+			{
+				$message .= ' Please wait for activation e-mail.';
+				if (Core::getConfig()->registration->staffActivation)
+					$message .= ' After this, your registration must be confirmed by staff.';
+			}
+			elseif (Core::getConfig()->registration->staffActivation)
+				$message .= ' Your registration must be now confirmed by staff.';
+
+			Messenger::success($message);
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
 		}
 
-		$message = 'Congratulations, your account was created.';
-		if (Mailer::getMailCounter() > 0)
-		{
-			$message .= ' Please wait for activation e-mail.';
-			if (Core::getConfig()->registration->staffActivation)
-				$message .= ' After this, your registration must be confirmed by staff.';
-		}
-		elseif (Core::getConfig()->registration->staffActivation)
-			$message .= ' Your registration must be now confirmed by staff.';
-
-		Messenger::message($message);
+		$this->renderView('user-registration');
 	}
 
 	public function activationView()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'user-select';
-		Assets::setSubTitle('account activation');
+		$this->assets->setSubTitle('account activation');
+		$this->renderView('user-select');
 	}
 
 	public function activationAction($tokenText)
 	{
-		$context = Core::getContext();
-		$context->viewName = 'message';
-		Assets::setSubTitle('account activation');
+		$this->assets->setSubTitle('account activation');
 		$identifier = InputHelper::get('identifier');
 
+		try
+		{
 		if (empty($tokenText))
 		{
 			Api::run(
 				new ActivateUserEmailJob(),
 				$this->appendUserIdentifierArgument([], $identifier));
 
-			Messenger::message('Activation e-mail resent.');
+			Messenger::success('Activation e-mail resent.');
 		}
 		else
 		{
@@ -272,45 +255,115 @@ class UserController
 			$message = 'Activation completed successfully.';
 			if (Core::getConfig()->registration->staffActivation)
 				$message .= ' However, your account still must be confirmed by staff.';
-			Messenger::message($message);
+			Messenger::success($message);
 
 			if (!Core::getConfig()->registration->staffActivation)
 				Auth::setCurrentUser($user);
 		}
+		}
+		catch (SimpleException $e)
+		{
+			Messenger::fail($e->getMessage());
+		}
+
+		$this->renderView('message');
 	}
 
 	public function passwordResetView()
 	{
-		$context = Core::getContext();
-		$context->viewName = 'user-select';
-		Assets::setSubTitle('password reset');
+		$this->assets->setSubTitle('password reset');
+		$this->renderView('user-select');
 	}
 
 	public function passwordResetAction($tokenText)
 	{
-		$context = Core::getContext();
-		$context->viewName = 'message';
-		Assets::setSubTitle('password reset');
+		$this->assets->setSubTitle('password reset');
 		$identifier = InputHelper::get('identifier');
 
-		if (empty($tokenText))
+		try
 		{
-			Api::run(
-				new PasswordResetJob(),
-				$this->appendUserIdentifierArgument([], $identifier));
+			if (empty($tokenText))
+			{
+				Api::run(
+					new PasswordResetJob(),
+					$this->appendUserIdentifierArgument([], $identifier));
 
-			Messenger::message('E-mail sent. Follow instructions to reset password.');
+				Messenger::success('E-mail sent. Follow instructions to reset password.');
+			}
+			else
+			{
+				$ret = Api::run(new PasswordResetJob(), [ JobArgs::ARG_TOKEN => $tokenText ]);
+
+				Messenger::success(sprintf(
+					'Password reset successful. Your new password is **%s**.',
+					$ret->newPassword));
+
+				Auth::setCurrentUser($ret->user);
+			}
 		}
-		else
+		catch (SimpleException $e)
 		{
-			$ret = Api::run(new PasswordResetJob(), [ JobArgs::ARG_TOKEN => $tokenText ]);
-
-			Messenger::message(sprintf(
-				'Password reset successful. Your new password is **%s**.',
-				$ret->newPassword));
-
-			Auth::setCurrentUser($ret->user);
+			Messenger::fail($e->getMessage());
 		}
+
+		$this->renderView('message');
+	}
+
+
+	private function prepareGenericView($identifier, $tab, $page = 1)
+	{
+		$user = Api::run(
+			new GetUserJob(),
+			$this->appendUserIdentifierArgument([], $identifier));
+
+		$flagged = in_array(TextHelper::reprUser($user), SessionHelper::get('flagged', []));
+
+		if ($tab == 'uploads')
+			$query = 'submit:' . $user->getName();
+		elseif ($tab == 'favs')
+			$query = 'fav:' . $user->getName();
+
+		elseif ($tab == 'delete')
+		{
+			Access::assert(new Privilege(
+				Privilege::DeleteUser,
+				Access::getIdentity($user)));
+		}
+		elseif ($tab == 'settings')
+		{
+			Access::assert(new Privilege(
+				Privilege::ChangeUserSettings,
+				Access::getIdentity($user)));
+		}
+		elseif ($tab == 'edit' and !(new EditUserJob)->canEditAnything(Auth::getCurrentUser()))
+			Access::fail();
+
+		$context = Core::getContext();
+		$context->flagged = $flagged;
+		$context->transport->tab = $tab;
+		$context->transport->user = $user;
+
+		if (isset($query))
+		{
+			$ret = Api::run(
+				new ListPostsJob(),
+				[
+					JobArgs::ARG_PAGE_NUMBER => $page,
+					JobArgs::ARG_QUERY => $query
+				]);
+
+			$context->transport->posts = $ret->entities;
+			$context->transport->paginator = $ret;
+			$context->transport->lastSearchQuery = $query;
+		}
+	}
+
+
+	private function isAnyAccountActivationNeeded()
+	{
+		$config = Core::getConfig();
+		return ($config->registration->needEmailForRegistering
+			or $config->registration->staffActivation);
 	}
 
 	private function requirePasswordConfirmation()
@@ -334,19 +387,16 @@ class UserController
 		return $arguments;
 	}
 
-	private function redirectToLastVisitedUrl()
+	private function redirectToMainPage()
 	{
-		$lastUrl = SessionHelper::getLastVisitedUrl();
-		if ($lastUrl)
-			\Chibi\Util\Url::forward($lastUrl);
+		$this->redirect(\Chibi\Router::linkTo(['StaticPagesController', 'mainPageView']));
 		exit;
 	}
 
 	private function redirectToGenericView($identifier)
 	{
-		\Chibi\Util\Url::forward(\Chibi\Router::linkTo(
+		$this->redirect(\Chibi\Router::linkTo(
 			['UserController', 'genericView'],
 			['identifier' => $identifier]));
-		exit;
 	}
 }
diff --git a/src/Dispatcher.php b/src/Dispatcher.php
new file mode 100644
index 00000000..f557a2d9
--- /dev/null
+++ b/src/Dispatcher.php
@@ -0,0 +1,77 @@
+<?php
+class Dispatcher
+{
+	public function run()
+	{
+		$query = $this->retrieveQuery();
+
+		$context = Core::getContext();
+		$context->query = $query;
+		$context->transport = new StdClass;
+
+		$this->setRouterObserver();
+		$this->ensureResponseCodeUponFail();
+
+		SessionHelper::init();
+		if (!Auth::isLoggedIn())
+			Auth::tryAutoLogin();
+
+		$this->routeAndHandleErrors($query);
+	}
+
+	private function routeAndHandleErrors($query)
+	{
+		try
+		{
+			\Chibi\Router::run($query);
+		}
+		catch (\Chibi\UnhandledRouteException $e)
+		{
+			$errorController = new ErrorController;
+			$errorController->simpleExceptionView(new SimpleNotFoundException($query . ' not found.'));
+		}
+		catch (SimpleException $e)
+		{
+			$errorController = new ErrorController;
+			$errorController->simpleExceptionView($e);
+		}
+		catch (SimpleException $e)
+		{
+			$errorController = new ErrorController;
+			$errorController->seriousExceptionView($e);
+		}
+	}
+
+	private function ensureResponseCodeUponFail()
+	{
+		register_shutdown_function(function()
+		{
+			$error = error_get_last();
+			if ($error !== null)
+				\Chibi\Util\Headers::setCode(400);
+		});
+	}
+
+	private function retrieveQuery()
+	{
+		if (isset($_SERVER['REDIRECT_URL']))
+			return $this->parseRawHttpQuery($_SERVER['REDIRECT_URL']);
+		else
+			return $this->parseRawHttpQuery($_SERVER['REQUEST_URI']);
+	}
+
+	private function parseRawHttpQuery($rawHttpQuery)
+	{
+		return rtrim($rawHttpQuery, '/');
+	}
+
+	private function setRouterObserver()
+	{
+		\Chibi\Router::setObserver(function($route, $args)
+		{
+			$context = Core::getContext();
+			$context->route = $route;
+		});
+	}
+}
+
diff --git a/src/Helpers/Assets.php b/src/Helpers/Assets.php
index 50d555ce..678de702 100644
--- a/src/Helpers/Assets.php
+++ b/src/Helpers/Assets.php
@@ -1,47 +1,41 @@
 <?php
 class Assets extends \Chibi\Util\Assets
 {
-	private static $pageThumb = null;
-	private static $subTitle = null;
+	private $pageThumb = null;
+	private $subTitle = null;
 
-	public static function init()
+	public function setSubTitle($text)
 	{
-		\Chibi\Util\Assets::disable();
-		self::enable();
+		$this->subTitle = $text;
 	}
 
-	public static function setSubTitle($text)
+	public function setPageThumb($path)
 	{
-		self::$subTitle = $text;
+		$this->pageThumb = $path;
 	}
 
-	public static function setPageThumb($path)
-	{
-		self::$pageThumb = $path;
-	}
-
-	public static function addStylesheet($path)
+	public function addStylesheet($path)
 	{
 		return parent::addStylesheet('/media/css/' . $path);
 	}
 
-	public static function addScript($path)
+	public function addScript($path)
 	{
 		return parent::addScript('/media/js/' . $path);
 	}
 
-	public static function transformHtml($html)
+	public function transformHtml($html)
 	{
-		self::$title = isset(self::$subTitle)
-			? sprintf('%s&nbsp;&ndash;&nbsp;%s', self::$title, self::$subTitle)
-			: self::$title;
+		$this->title = isset($this->subTitle)
+			? sprintf('%s&nbsp;&ndash;&nbsp;%s', $this->title, $this->subTitle)
+			: $this->title;
 
 		$html = parent::transformHtml($html);
 
-		$headSnippet = '<meta property="og:title" content="' . self::$title . '"/>';
+		$headSnippet = '<meta property="og:title" content="' . $this->title . '"/>';
 		$headSnippet .= '<meta property="og:url" content="' . \Chibi\Util\Url::currentUrl() . '"/>';
-		if (!empty(self::$pageThumb))
-			$headSnippet .= '<meta property="og:image" content="' . self::$pageThumb . '"/>';
+		if (!empty($this->pageThumb))
+			$headSnippet .= '<meta property="og:image" content="' . $this->pageThumb . '"/>';
 
 		$bodySnippet = '<script type="text/javascript">';
 		$bodySnippet .= '$(function() {';
@@ -54,5 +48,3 @@ class Assets extends \Chibi\Util\Assets
 		return $html;
 	}
 }
-
-Assets::init();
diff --git a/src/Helpers/SessionHelper.php b/src/Helpers/SessionHelper.php
index 599d2c81..ec061588 100644
--- a/src/Helpers/SessionHelper.php
+++ b/src/Helpers/SessionHelper.php
@@ -4,11 +4,7 @@ class SessionHelper
 	public static function init()
 	{
 		session_start();
-		register_shutdown_function(function()
-		{
-			if (\Chibi\Util\Headers::getRequestMethod() == 'GET')
-				$_SESSION['last-visited-url'] = Core::getContext()->query;
-		});
+		register_shutdown_function([__CLASS__, 'tryRememberVisitedUrl']);
 	}
 
 	public static function get($key, $default = null)
@@ -23,10 +19,40 @@ class SessionHelper
 		$_SESSION[$key] = $value;
 	}
 
-	public static function getLastVisitedUrl()
+	public static function getLastVisitedUrl($filter = null)
+	{
+		if (isset($_SESSION['last-visited-url']))
+			foreach ($_SESSION['last-visited-url'] as $lastUrl)
+				if ($filter === null or stripos($lastUrl, $filter) === false)
+					return \Chibi\Util\Url::makeAbsolute($lastUrl);
+		return null;
+	}
+
+	public static function tryRememberVisitedUrl()
+	{
+		if (\Chibi\Util\Headers::getRequestMethod() != 'GET')
+			return;
+
+		if (\Chibi\Util\Headers::getCode() != 200)
+			return;
+
+		if (strpos(\Chibi\Util\Headers::get('Content-Type'), 'text/html') === false)
+			return;
+
+		self::rememberVisitedUrl();
+		self::removeExcessHistory();
+	}
+
+	private static function rememberVisitedUrl()
 	{
 		if (!isset($_SESSION['last-visited-url']))
-			return '';
-		return \Chibi\Util\Url::makeAbsolute($_SESSION['last-visited-url']);
+			$_SESSION['last-visited-url'] = [];
+
+		array_unshift($_SESSION['last-visited-url'], Core::getContext()->query);
+	}
+
+	private static function removeExcessHistory()
+	{
+		array_splice($_SESSION['last-visited-url'], 3);
 	}
 }
diff --git a/src/Messenger.php b/src/Messenger.php
index bd7c5cbd..aaddf0e5 100644
--- a/src/Messenger.php
+++ b/src/Messenger.php
@@ -1,13 +1,22 @@
 <?php
 class Messenger
 {
-	public static function message($message, $success = true)
+	public static function success($message)
 	{
-		if (empty($message))
-			return;
+		self::message($message, true);
+	}
 
+	public static function fail($message)
+	{
+		self::message($message, false);
+	}
+
+	private static function message($message, $success = true)
+	{
 		$context = Core::getContext();
 
+		$message = $message ?: 'Empty message';
+
 		if (!preg_match('/[.?!]$/', $message))
 			$message .= '.';
 
diff --git a/src/View.php b/src/View.php
new file mode 100644
index 00000000..23c51dc0
--- /dev/null
+++ b/src/View.php
@@ -0,0 +1,22 @@
+<?php
+class View extends \Chibi\View
+{
+	public static function renderTopLevel($viewName, $assets)
+	{
+		$context = Core::getContext();
+		$view = new View($viewName);
+		$view->registerDecorator(new \Chibi\Util\Minify());
+		$view->registerDecorator($assets);
+		$view->context = $context;
+		$view->assets = $assets;
+		$view->render();
+	}
+
+	protected function renderExternal($viewName)
+	{
+		$view = new View($viewName);
+		$view->context = $this->context;
+		$view->assets = $this->assets;
+		$view->render();
+	}
+}
diff --git a/src/Views/auth-login.phtml b/src/Views/auth-login.phtml
index 3e5cc2fb..880ee1d8 100644
--- a/src/Views/auth-login.phtml
+++ b/src/Views/auth-login.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::setSubTitle('authentication form');
-Assets::addStylesheet('auth.css');
+$this->assets->setSubTitle('authentication form');
+$this->assets->addStylesheet('auth.css');
 ?>
 
 <form
@@ -34,7 +34,7 @@ Assets::addStylesheet('auth.css');
 		</div>
 	</div>
 
-	<?php \Chibi\View::render('message', $this->context) ?>
+	<?php $this->renderExternal('message') ?>
 
 	<div class="form-row help">
 		<label></label>
diff --git a/src/Views/comment/comment-add.phtml b/src/Views/comment/comment-add.phtml
index 719c0089..98463342 100644
--- a/src/Views/comment/comment-add.phtml
+++ b/src/Views/comment/comment-add.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::addStylesheet('comment-edit.css');
-Assets::addScript('comment-edit.js');
+$this->assets->addStylesheet('comment-edit.css');
+$this->assets->addScript('comment-edit.js');
 ?>
 
 <form
diff --git a/src/Views/comment/comment-edit.phtml b/src/Views/comment/comment-edit.phtml
index c0be8960..414df6da 100644
--- a/src/Views/comment/comment-edit.phtml
+++ b/src/Views/comment/comment-edit.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::addStylesheet('comment-edit.css');
-Assets::addScript('comment-edit.js');
+$this->assets->addStylesheet('comment-edit.css');
+$this->assets->addScript('comment-edit.js');
 ?>
 
 <form
diff --git a/src/Views/comment/comment-list.phtml b/src/Views/comment/comment-list.phtml
index a7a040a7..32c815ed 100644
--- a/src/Views/comment/comment-list.phtml
+++ b/src/Views/comment/comment-list.phtml
@@ -1,15 +1,15 @@
 <?php
-Assets::setSubTitle('comments');
+$this->assets->setSubTitle('comments');
 ?>
 
 <?php if (empty($this->context->transport->posts)): ?>
 	<p class="alert alert-warning">No comments to show.</p>
 <?php else: ?>
 	<?php
-	Assets::addStylesheet('comment-list.css');
-	Assets::addStylesheet('comment-small.css');
-	Assets::addStylesheet('comment-edit.css');
-	Assets::addScript('comment-edit.js');
+	$this->assets->addStylesheet('comment-list.css');
+	$this->assets->addStylesheet('comment-small.css');
+	$this->assets->addStylesheet('comment-edit.css');
+	$this->assets->addScript('comment-edit.js');
 	?>
 
 	<div class="comments-wrapper">
@@ -22,12 +22,12 @@ Assets::setSubTitle('comments');
 							$comments = array_reverse($post->getComments());
 							$commentsToDisplay = array_slice($comments, 0, Core::getConfig()->comments->maxCommentsInList);
 						?>
-						<?php \Chibi\View::render('post-small', $this->context) ?>
+						<?php $this->renderExternal('post-small') ?>
 					</div>
 					<div class="comments">
 						<?php foreach ($commentsToDisplay as $comment): ?>
 							<?php $this->context->comment = $comment ?>
-							<?php \Chibi\View::render('comment-small', $this->context) ?>
+							<?php $this->renderExternal('comment-small') ?>
 						<?php endforeach ?>
 
 						<?php if (count($comments) > count($commentsToDisplay)): ?>
@@ -43,6 +43,6 @@ Assets::setSubTitle('comments');
 			<?php endforeach ?>
 		</div>
 
-		<?php \Chibi\View::render('paginator', $this->context) ?>
+		<?php $this->renderExternal('paginator') ?>
 	</div>
 <?php endif ?>
diff --git a/src/Views/comment/comment-small.phtml b/src/Views/comment/comment-small.phtml
index fd06df56..f1a129c9 100644
--- a/src/Views/comment/comment-small.phtml
+++ b/src/Views/comment/comment-small.phtml
@@ -1,7 +1,7 @@
 <?php
-	Assets::addStylesheet('comment-small.css');
-	Assets::addStylesheet('comment-edit.css');
-	Assets::addScript('comment-edit.js');
+	$this->assets->addStylesheet('comment-small.css');
+	$this->assets->addStylesheet('comment-edit.css');
+	$this->assets->addScript('comment-edit.js');
 ?>
 
 <div class="comment">
diff --git a/src/Views/debug.phtml b/src/Views/debug.phtml
index 3b370d66..f274002f 100644
--- a/src/Views/debug.phtml
+++ b/src/Views/debug.phtml
@@ -1,4 +1,7 @@
-<?php Assets::addStylesheet('debug.css') ?>
+<?php
+$this->assets->addStylesheet('debug.css');
+?>
+
 <div class="main-wrapper">
 	<?php foreach (\Chibi\Database::getLogs() as $log): ?>
 		<div class="debug">
diff --git a/src/Views/layout-normal.phtml b/src/Views/layout-normal.phtml
index 33f3f634..879a3305 100644
--- a/src/Views/layout-normal.phtml
+++ b/src/Views/layout-normal.phtml
@@ -1,10 +1,10 @@
 <?php
-Assets::addStylesheet('../lib/jquery-ui/jquery-ui.css');
-Assets::addStylesheet('core.css');
-Assets::addScript('../lib/jquery/jquery.min.js');
-Assets::addScript('../lib/jquery-ui/jquery-ui.min.js');
-Assets::addScript('../lib/mousetrap/mousetrap.min.js');
-Assets::addScript('core.js');
+$this->assets->addStylesheet('../lib/jquery-ui/jquery-ui.css');
+$this->assets->addStylesheet('core.css');
+$this->assets->addScript('../lib/jquery/jquery.min.js');
+$this->assets->addScript('../lib/jquery-ui/jquery-ui.min.js');
+$this->assets->addScript('../lib/mousetrap/mousetrap.min.js');
+$this->assets->addScript('core.js');
 ?>
 
 <!DOCTYPE html>
@@ -24,14 +24,14 @@ Assets::addScript('core.js');
 
 		<nav id="top-nav">
 			<div class="main-wrapper">
-				<?php \Chibi\View::render('top-navigation', $this->context) ?>
+				<?php $this->renderExternal('top-navigation') ?>
 			</div>
 			<div class="clear"></div>
 		</nav>
 
 		<section id="content">
 			<div class="main-wrapper">
-				<?= \Chibi\View::render($this->context->viewName, $this->context) ?>
+				<?php $this->renderExternal($this->context->viewName) ?>
 			</div>
 			<div class="clear"></div>
 		</section>
@@ -60,7 +60,7 @@ Assets::addScript('core.js');
 		</footer>
 
 		<?php if (Core::getConfig()->misc->debugQueries): ?>
-			<?= \Chibi\View::render('debug', $this->context) ?>
+			<?php $this->renderExternal('debug') ?>
 		<?php endif ?>
 
 		<div id="small-screen"></div>
diff --git a/src/Views/log/log-view.phtml b/src/Views/log/log-view.phtml
index 1ff4555f..597bc0b2 100644
--- a/src/Views/log/log-view.phtml
+++ b/src/Views/log/log-view.phtml
@@ -1,5 +1,5 @@
 <?php
-Assets::setSubTitle('logs (' . $this->context->transport->name . ')');
+$this->assets->setSubTitle('logs (' . $this->context->transport->name . ')');
 ?>
 
 <?php if (empty($this->context->transport->lines)): ?>
@@ -8,8 +8,8 @@ Assets::setSubTitle('logs (' . $this->context->transport->name . ')');
 	</p>
 <?php else: ?>
 	<?php
-	Assets::addStylesheet('logs.css');
-	Assets::addScript('logs.js');
+	$this->assets->addStylesheet('logs.css');
+	$this->assets->addScript('logs.js');
 	?>
 
 	<form method="get"
@@ -29,5 +29,5 @@ Assets::setSubTitle('logs (' . $this->context->transport->name . ')');
 		<code><?= $this->context->transport->lines ?></code>
 	</div>
 
-	<?php \Chibi\View::render('paginator', $this->context) ?>
+	<?php $this->renderExternal('paginator') ?>
 <?php endif ?>
diff --git a/src/Views/paginator.phtml b/src/Views/paginator.phtml
index 1f13be3e..12efebe9 100644
--- a/src/Views/paginator.phtml
+++ b/src/Views/paginator.phtml
@@ -41,9 +41,9 @@ if (!function_exists('pageUrl'))
 
 <?php if (!empty($pagesVisible)): ?>
 	<?php
-	Assets::addStylesheet('paginator.css');
+	$this->assets->addStylesheet('paginator.css');
 	if (Auth::getCurrentUser()->getSettings()->hasEnabledEndlessScrolling())
-		Assets::addScript('paginator-endless.js');
+		$this->assets->addScript('paginator-endless.js');
 	?>
 
 	<nav class="paginator-wrapper">
diff --git a/src/Views/post/post-file-render.phtml b/src/Views/post/post-file-render.phtml
index 702cd877..ee079f53 100644
--- a/src/Views/post/post-file-render.phtml
+++ b/src/Views/post/post-file-render.phtml
@@ -1,5 +1,5 @@
 <?php
-Assets::setPageThumb(\Chibi\Router::linkTo(
+$this->assets->setPageThumb(\Chibi\Router::linkTo(
 	['PostController', 'thumbView'],
 	['name' => $this->context->transport->post->getName()]));
 $post = $this->context->transport->post;
diff --git a/src/Views/post/post-list-wrapper.phtml b/src/Views/post/post-list-wrapper.phtml
index caf4f8f1..b9113f52 100644
--- a/src/Views/post/post-list-wrapper.phtml
+++ b/src/Views/post/post-list-wrapper.phtml
@@ -1,5 +1,5 @@
 <?php
-Assets::setSubTitle('posts');
+$this->assets->setSubTitle('posts');
 
 $tabs = [];
 $activeTab = 0;
@@ -9,15 +9,15 @@ if (Access::check(new Privilege(Privilege::ListPosts)))
 if (Access::check(new Privilege(Privilege::ListPosts)))
 {
 	$tabs []= ['Random', \Chibi\Router::linkTo(['PostController', 'randomView'])];
-	if ($this->context->simpleActionName == 'random')
+	if ($this->context->source == 'random')
 		$activeTab = count($tabs) - 1;
 
 	$tabs []= ['Favorites', \Chibi\Router::linkTo(['PostController', 'favoritesView'])];
-	if ($this->context->simpleActionName == 'favorites')
+	if ($this->context->source == 'favorites')
 		$activeTab = count($tabs) - 1;
 
 	$tabs []= ['Upvoted', \Chibi\Router::linkTo(['PostController', 'upvotedView'])];
-	if ($this->context->simpleActionName == 'upvoted')
+	if ($this->context->source == 'upvoted')
 		$activeTab = count($tabs) - 1;
 }
 
@@ -61,5 +61,5 @@ if (Access::check(new Privilege(Privilege::MassTag)))
 </nav>
 
 <div class="tab-content">
-	<?php \Chibi\View::render('post-list', $this->context) ?>
+	<?php $this->renderExternal('post-list') ?>
 </div>
diff --git a/src/Views/post/post-list.phtml b/src/Views/post/post-list.phtml
index b8f838ee..36f369d5 100644
--- a/src/Views/post/post-list.phtml
+++ b/src/Views/post/post-list.phtml
@@ -1,17 +1,17 @@
 <?php
-Assets::addStylesheet('post-list.css');
-Assets::addScript('post-list.js');
+$this->assets->addStylesheet('post-list.css');
+$this->assets->addScript('post-list.js');
 
 if (isset($this->context->source)
 	and $this->context->source == 'mass-tag'
 	and Access::check(new Privilege(Privilege::MassTag)))
 {
-	\Chibi\View::render('tag-mass-tag', $this->context);
+	$this->renderExternal('tag-mass-tag');
 }
 ?>
 
 <?php if (!empty($this->context->transport->message)): ?>
-	<?php \Chibi\View::render('message', $this->context) ?>
+	<?php $this->renderExternal('message') ?>
 <?php elseif (empty($this->context->transport->posts)): ?>
 	<p class="alert alert-warning">No posts to show.</p>
 <?php else: ?>
@@ -19,11 +19,11 @@ if (isset($this->context->source)
 		<div class="posts paginator-content">
 			<?php foreach ($this->context->transport->posts as $post): ?>
 				<?php $this->context->post = $post ?>
-				<?php \Chibi\View::render('post-small', $this->context) ?>
+				<?php $this->renderExternal('post-small') ?>
 			<?php endforeach ?>
 		</div>
 		<div class="clear"></div>
 	</div>
 
-	<?php \Chibi\View::render('paginator', $this->context) ?>
+	<?php $this->renderExternal('paginator') ?>
 <?php endif ?>
diff --git a/src/Views/post/post-small.phtml b/src/Views/post/post-small.phtml
index d0ddc277..f54b7beb 100644
--- a/src/Views/post/post-small.phtml
+++ b/src/Views/post/post-small.phtml
@@ -1,5 +1,5 @@
 <?php
-Assets::addStylesheet('post-small.css');
+$this->assets->addStylesheet('post-small.css');
 
 $classNames =
 [
diff --git a/src/Views/post/post-upload.phtml b/src/Views/post/post-upload.phtml
index 3bc4a593..aefa2b04 100644
--- a/src/Views/post/post-upload.phtml
+++ b/src/Views/post/post-upload.phtml
@@ -1,9 +1,9 @@
 <?php
-Assets::setSubTitle('upload');
-Assets::addStylesheet('post-upload.css');
-Assets::addScript('post-upload.js');
-Assets::addStylesheet('../lib/tagit/jquery.tagit.css');
-Assets::addScript('../lib/tagit/jquery.tagit.js');
+$this->assets->setSubTitle('upload');
+$this->assets->addStylesheet('post-upload.css');
+$this->assets->addScript('post-upload.js');
+$this->assets->addStylesheet('../lib/tagit/jquery.tagit.css');
+$this->assets->addScript('../lib/tagit/jquery.tagit.js');
 ?>
 
 <div id="sidebar">
diff --git a/src/Views/post/post-view.phtml b/src/Views/post/post-view.phtml
index 78de73b1..e1f06679 100644
--- a/src/Views/post/post-view.phtml
+++ b/src/Views/post/post-view.phtml
@@ -2,11 +2,11 @@
 $subTitle = sprintf('showing %s&nbsp;&ndash;%s',
 	TextHelper::reprPost($this->context->transport->post),
 	TextHelper::reprTags($this->context->transport->post->getTags()));
-Assets::setSubTitle($subTitle);
-Assets::addStylesheet('post-view.css');
-Assets::addScript('post-view.js');
-Assets::addStylesheet('../lib/tagit/jquery.tagit.css');
-Assets::addScript('../lib/tagit/jquery.tagit.js');
+$this->assets->setSubTitle($subTitle);
+$this->assets->addStylesheet('post-view.css');
+$this->assets->addScript('post-view.js');
+$this->assets->addStylesheet('../lib/tagit/jquery.tagit.css');
+$this->assets->addScript('../lib/tagit/jquery.tagit.js');
 
 $editPostPrivileges = [
 	Privilege::EditPostSafety,
@@ -364,24 +364,24 @@ $canEditAnything = count(array_filter($editPostPrivileges)) > 0;
 		}
 
 		$this->context->options = $options;
-		\Chibi\View::render('sidebar-options', $this->context);
+		$this->renderExternal('sidebar-options');
 	?>
 </div>
 
 <div id="inner-content">
 	<?php if ($canEditAnything): ?>
 		<div class="unit edit-post">
-			<?php \Chibi\View::render('post-edit', $this->context) ?>
+			<?php $this->renderExternal('post-edit') ?>
 		</div>
 	<?php endif ?>
 
 	<div class="post-wrapper post-type-<?= $this->context->transport->post->getType()->toString() ?>">
-		<?= \Chibi\View::render('post-file-render', $this->context) ?>
+		<?php $this->renderExternal('post-file-render') ?>
 	</div>
 
 	<?php
-		Assets::addStylesheet('comment-list.css');
-		Assets::addStylesheet('comment-small.css');
+		$this->assets->addStylesheet('comment-list.css');
+		$this->assets->addStylesheet('comment-small.css');
 	?>
 
 	<div class="comments-wrapper">
@@ -391,7 +391,7 @@ $canEditAnything = count(array_filter($editPostPrivileges)) > 0;
 				<div class="comments">
 					<?php foreach ($this->context->transport->post->getComments() as $comment): ?>
 						<?php $this->context->comment = $comment ?>
-						<?= \Chibi\View::render('comment-small', $this->context) ?>
+						<?php $this->renderExternal('comment-small') ?>
 					<?php endforeach ?>
 				</div>
 			</div>
@@ -400,7 +400,7 @@ $canEditAnything = count(array_filter($editPostPrivileges)) > 0;
 
 	<?php if (Access::check(new Privilege(Privilege::AddComment))): ?>
 		<div class="unit comment-add">
-			<?php \Chibi\View::render('comment-add', $this->context) ?>
+			<?php $this->renderExternal('comment-add') ?>
 		</div>
 	<?php endif ?>
 </div>
diff --git a/src/Views/static/static-help.phtml b/src/Views/static/static-help.phtml
index 79704719..4a80dcc3 100644
--- a/src/Views/static/static-help.phtml
+++ b/src/Views/static/static-help.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::setSubtitle('help');
-Assets::addStylesheet('static-help.css');
+$this->assets->setSubtitle('help');
+$this->assets->addStylesheet('static-help.css');
 
 $tabs = Core::getConfig()->help->subTitles;
 $firstTab = !empty($tabs) ? array_keys($tabs)[0] : null;
diff --git a/src/Views/static/static-main.phtml b/src/Views/static/static-main.phtml
index f6b40c2b..48cbf3d4 100644
--- a/src/Views/static/static-main.phtml
+++ b/src/Views/static/static-main.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::setSubtitle('home');
-Assets::addStylesheet('static-main.css');
+$this->assets->setSubtitle('home');
+$this->assets->addStylesheet('static-main.css');
 ?>
 
 <div id="welcome">
@@ -22,7 +22,7 @@ Assets::addStylesheet('static-main.css');
 				'id' => $this->context->featuredPost->getId()]);
 		?>
 
-		<?php \Chibi\View::render('post-file-render', $this->context) ?>
+		<?php $this->renderExternal('post-file-render') ?>
 	</div>
 
 	<div class="footer">
diff --git a/src/Views/tag/tag-list-wrapper.phtml b/src/Views/tag/tag-list-wrapper.phtml
index 612c685b..b255fdaa 100644
--- a/src/Views/tag/tag-list-wrapper.phtml
+++ b/src/Views/tag/tag-list-wrapper.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::setSubTitle('tags');
-Assets::addStylesheet('tag-list.css');
+$this->assets->setSubTitle('tags');
+$this->assets->addStylesheet('tag-list.css');
 
 $tabs = [];
 if (Access::check(new Privilege(Privilege::ListTags)))
@@ -13,7 +13,7 @@ if (Access::check(new Privilege(Privilege::MergeTags)))
 	$tabs['merge'] = ['Merge', 'mergeView'];
 
 if (Access::check(new Privilege(Privilege::MassTag)))
-	$tabs['mass-tag-redirect'] = ['Mass tag', 'massTagRedirectAction'];
+	$tabs['mass-tag'] = ['Mass tag', 'massTagRedirectAction'];
 
 $showTabs = count($tabs) > 1;
 ?>
@@ -21,12 +21,12 @@ $showTabs = count($tabs) > 1;
 <?php if ($showTabs): ?>
 	<nav class="tabs">
 		<ul>
-			<?php foreach ($tabs as $tab => $item): ?>
+			<?php foreach ($tabs as $source => $item): ?>
 				<?php list ($name, $action) = $item ?>
-				<?php if ($this->context->simpleActionName == $tab): ?>
-					<li class="selected <?= $tab ?>">
+				<?php if ($this->context->source == $source): ?>
+					<li class="selected <?= $source ?>">
 				<?php else: ?>
-					<li class="<?= $tab ?>">
+					<li class="<?= $source ?>">
 				<?php endif ?>
 					<a href="<?= \Chibi\Router::linkTo(['TagController', $action]) ?>">
 						<?= $name ?>
@@ -39,20 +39,20 @@ $showTabs = count($tabs) > 1;
 	<div class="tab-content">
 <?php endif ?>
 
-<?php if ($this->context->simpleActionName == 'merge'): ?>
-	<?php \Chibi\View::render('tag-merge', $this->context) ?>
+<?php if ($this->context->source == 'merge'): ?>
+	<?php $this->renderExternal('tag-merge') ?>
 <?php endif ?>
 
-<?php if ($this->context->simpleActionName == 'rename'): ?>
-	<?php \Chibi\View::render('tag-rename', $this->context) ?>
+<?php if ($this->context->source == 'rename'): ?>
+	<?php $this->renderExternal('tag-rename') ?>
 <?php endif ?>
 
-<?php if ($this->context->simpleActionName == 'list'): ?>
-	<?php \Chibi\View::render('tag-list', $this->context) ?>
+<?php if ($this->context->source == 'list'): ?>
+	<?php $this->renderExternal('tag-list') ?>
 <?php endif ?>
 
-<?php if ($this->context->simpleActionName == 'mass-tag-redirect'): ?>
-	<?php \Chibi\View::render('tag-mass-tag', $this->context) ?>
+<?php if ($this->context->source == 'mass-tag'): ?>
+	<?php $this->renderExternal('tag-mass-tag') ?>
 <?php endif ?>
 
 <?php if ($showTabs): ?>
diff --git a/src/Views/tag/tag-list.phtml b/src/Views/tag/tag-list.phtml
index fffce877..f28787af 100644
--- a/src/Views/tag/tag-list.phtml
+++ b/src/Views/tag/tag-list.phtml
@@ -44,5 +44,5 @@
 		</ul>
 	</div>
 
-	<?php \Chibi\View::render('paginator', $this->context) ?>
+	<?php $this->renderExternal('paginator') ?>
 <?php endif ?>
diff --git a/src/Views/tag/tag-merge.phtml b/src/Views/tag/tag-merge.phtml
index 04eb0b38..fef7b43c 100644
--- a/src/Views/tag/tag-merge.phtml
+++ b/src/Views/tag/tag-merge.phtml
@@ -16,7 +16,7 @@
 			</div>
 		</div>
 
-		<?php \Chibi\View::render('message', $this->context) ?>
+		<?php $this->renderExternal('message') ?>
 
 		<div class="form-row">
 			<label></label>
diff --git a/src/Views/tag/tag-rename.phtml b/src/Views/tag/tag-rename.phtml
index 1d2e6712..4222f348 100644
--- a/src/Views/tag/tag-rename.phtml
+++ b/src/Views/tag/tag-rename.phtml
@@ -16,7 +16,7 @@
 			</div>
 		</div>
 
-		<?php \Chibi\View::render('message', $this->context) ?>
+		<?php $this->renderExternal('message') ?>
 
 		<div class="form-row">
 			<label></label>
diff --git a/src/Views/top-navigation.phtml b/src/Views/top-navigation.phtml
index 230141c9..1c6e5ecc 100644
--- a/src/Views/top-navigation.phtml
+++ b/src/Views/top-navigation.phtml
@@ -2,8 +2,20 @@
 	<?php
 	$nav = [];
 
-	$activeController = $this->context->simpleControllerName;
-	$activeAction = $this->context->simpleActionName;
+	list ($className, $methodName)
+		= isset($this->context->route)
+		? $this->context->route->destination
+		: [null, null];
+
+	$activeController = TextCaseConverter::convert(
+		str_replace('Controller', '', $className),
+		TextCaseConverter::CAMEL_CASE,
+		TextCaseConverter::SPINAL_CASE);
+
+	$activeAction = TextCaseConverter::convert(
+		preg_replace('/Action|View/', '', $methodName),
+		TextCaseConverter::CAMEL_CASE,
+		TextCaseConverter::SPINAL_CASE);
 
 	$registerNavItem = function ($text, $link, $active = false) use (&$nav)
 	{
diff --git a/src/Views/user/user-delete.phtml b/src/Views/user/user-delete.phtml
index 3072bb28..a09a21fe 100644
--- a/src/Views/user/user-delete.phtml
+++ b/src/Views/user/user-delete.phtml
@@ -16,7 +16,7 @@
 		</div>
 	<?php endif ?>
 
-	<?php \Chibi\View::render('message', $this->context) ?>
+	<?php $this->renderExternal('message') ?>
 
 	<div class="form-row">
 		<label></label>
diff --git a/src/Views/user/user-edit.phtml b/src/Views/user/user-edit.phtml
index 4fab1695..7bb1da82 100644
--- a/src/Views/user/user-edit.phtml
+++ b/src/Views/user/user-edit.phtml
@@ -107,7 +107,7 @@
 		</div>
 	<?php endif ?>
 
-	<?php \Chibi\View::render('message', $this->context) ?>
+	<?php $this->renderExternal('message') ?>
 
 	<div class="form-row">
 		<label></label>
diff --git a/src/Views/user/user-list.phtml b/src/Views/user/user-list.phtml
index 6961c683..6a8cc0ef 100644
--- a/src/Views/user/user-list.phtml
+++ b/src/Views/user/user-list.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::setSubTitle('users');
-Assets::addStylesheet('user-list.css');
+$this->assets->setSubTitle('users');
+$this->assets->addStylesheet('user-list.css');
 ?>
 
 <nav class="sort-styles">
@@ -71,5 +71,5 @@ Assets::addStylesheet('user-list.css');
 		<div class="clear"></div>
 	</div>
 
-	<?php \Chibi\View::render('paginator', $this->context) ?>
+	<?php $this->renderExternal('paginator') ?>
 <?php endif ?>
diff --git a/src/Views/user/user-registration.phtml b/src/Views/user/user-registration.phtml
index 2203fdc8..38bf204a 100644
--- a/src/Views/user/user-registration.phtml
+++ b/src/Views/user/user-registration.phtml
@@ -1,12 +1,12 @@
 <?php
-Assets::setSubTitle('registration form');
+$this->assets->setSubTitle('registration form');
 ?>
 
 <?php if (isset($this->context->transport->message) and $this->context->transport->success): ?>
-	<?php \Chibi\View::render('message', $this->context) ?>
+	<?php $this->renderExternal('message') ?>
 <?php else: ?>
 	<?php
-	Assets::addStylesheet('auth.css');
+	$this->assets->addStylesheet('auth.css');
 	?>
 
 	<form
@@ -72,7 +72,7 @@ Assets::setSubTitle('registration form');
 			Leave blank for random Gravatar.
 		</p>
 
-		<?php \Chibi\View::render('message', $this->context) ?>
+		<?php $this->renderExternal('message') ?>
 
 		<div class="form-row">
 			<label></label>
diff --git a/src/Views/user/user-select.phtml b/src/Views/user/user-select.phtml
index d6a67d68..3dec598e 100644
--- a/src/Views/user/user-select.phtml
+++ b/src/Views/user/user-select.phtml
@@ -1,8 +1,8 @@
 <?php if (isset($this->context->transport->message)): ?>
-	<?php \Chibi\View::render('message', $this->context) ?>
+	<?php $this->renderExternal('message') ?>
 <?php else: ?>
 	<?php
-	Assets::addStylesheet('auth.css');
+	$this->assets->addStylesheet('auth.css');
 	?>
 
 	<form
@@ -17,7 +17,7 @@
 			</div>
 		</div>
 
-		<?php \Chibi\View::render('message', $this->context) ?>
+		<?php $this->renderExternal('message') ?>
 
 		<div class="form-row">
 			<label></label>
diff --git a/src/Views/user/user-settings.phtml b/src/Views/user/user-settings.phtml
index 5d824fb7..ecdd1de6 100644
--- a/src/Views/user/user-settings.phtml
+++ b/src/Views/user/user-settings.phtml
@@ -91,7 +91,7 @@ $settings = $this->context->transport->user->getSettings();
 		</div>
 	</div>
 
-	<?php \Chibi\View::render('message', $this->context) ?>
+	<?php $this->renderExternal('message') ?>
 
 	<div class="form-row">
 		<label></label>
diff --git a/src/Views/user/user-view.phtml b/src/Views/user/user-view.phtml
index a5d2b6e5..a6275129 100644
--- a/src/Views/user/user-view.phtml
+++ b/src/Views/user/user-view.phtml
@@ -1,6 +1,6 @@
 <?php
-Assets::setSubTitle($this->context->transport->user->getName());
-Assets::addStylesheet('user-view.css');
+$this->assets->setSubTitle($this->context->transport->user->getName());
+$this->assets->addStylesheet('user-view.css');
 ?>
 
 <div id="sidebar">
@@ -188,7 +188,7 @@ Assets::addStylesheet('user-view.css');
 		}
 
 		$this->context->options = $options;
-		\Chibi\View::render('sidebar-options', $this->context);
+		$this->renderExternal('sidebar-options');
 	?>
 </div>
 
@@ -277,15 +277,15 @@ Assets::addStylesheet('user-view.css');
 
 	<div class="tab-content">
 		<?php if (isset($this->context->transport->posts)): ?>
-			<?php \Chibi\View::render('post-list', $this->context) ?>
+			<?php $this->renderExternal('post-list') ?>
 		<?php endif ?>
 
 		<?php if ($this->context->transport->tab == 'settings'): ?>
-			<?php \Chibi\View::render('user-settings', $this->context) ?>
+			<?php $this->renderExternal('user-settings') ?>
 		<?php elseif ($this->context->transport->tab == 'edit'): ?>
-			<?php \Chibi\View::render('user-edit', $this->context) ?>
+			<?php $this->renderExternal('user-edit') ?>
 		<?php elseif ($this->context->transport->tab == 'delete'): ?>
-			<?php \Chibi\View::render('user-delete', $this->context) ?>
+			<?php $this->renderExternal('user-delete') ?>
 		<?php endif ?>
 	</div>