sub menu design update

controllers/BinaryController.inc

@@ -0,0 +1,37 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the BinaryAgent to show binary data.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class BinaryController extends \hhu\z\controllers\IntermediateController
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Create binary data.
+		 */
+		public function index()
+		{
+		}
+		
+	}
+
+?>

controllers/CharactergroupsController.inc

@@ -0,0 +1,143 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the CharactergroupsAgent to display Character groups.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class CharactergroupsController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'charactergroups', 'charactergroupsquests');
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'quest' => array('admin', 'moderator', 'user')
+		);
+		/**
+		 * User seminary permissions
+		 * 
+		 * @var array
+		 */
+		public $seminaryPermissions = array(
+			'quest' => array('admin', 'moderator', 'user')
+		);
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Show Character groups-groups for a Seminary.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl		URL-Title of a Seminary
+		 */
+		public function index($seminaryUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Character groups-groups
+			$groupsgroups = $this->Charactergroups->getGroupsroupsForSeminary($seminary['id']);
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('groupsgroups', $groupsgroups);
+		}
+		
+		
+		/**
+		 * Action: groupsgroups.
+		 * 
+		 * Show Character groups for a Character groups-group of a
+		 * Seminary.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl		URL-Title of a Seminary
+		 * @param	string	$groupsgroupUrl		URL-Title of a Character groups-group
+		 */
+		public function groupsgroup($seminaryUrl, $groupsgroupUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Character groups-group
+			$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
+			
+			// Get Character groups
+			$groups = $this->Charactergroups->getGroupsForGroupsgroup($groupsgroup['id']);
+			
+			// Get Character groups-group Quests
+			$quests = $this->Charactergroupsquests->getQuestsForCharactergroupsgroup($groupsgroup['id']);
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('groupsgroup', $groupsgroup);
+			$this->set('groups', $groups);
+			$this->set('quests', $quests);
+		}
+		
+		
+		/**
+		 * Action: group.
+		 * 
+		 * Show a Character group for a Character groups-group of a
+		 * Seminary.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl		URL-Title of a Seminary
+		 * @param	string	$groupsgroupUrl		URL-Title of a Character groups-group
+		 * @param	string	$groupUrl		URL-Title of a Character group
+		 */
+		public function group($seminaryUrl, $groupsgroupUrl, $groupUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Character groups-group
+			$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
+			
+			// Get Character group
+			$group = $this->Charactergroups->getGroupByUrl($groupsgroup['id'], $groupUrl);
+			
+			// Get Characters
+			$characters = $this->Characters->getCharactersForGroup($group['id']);
+			
+			// Get Character groups Quests
+			$quests = $this->Charactergroupsquests->getQuestsForGroup($group['id']);
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('groupsgroup', $groupsgroup);
+			$this->set('group', $group);
+			$this->set('characters', $characters);
+			$this->set('quests', $quests);
+		}
+		
+	}
+
+?>

controllers/CharactergroupsquestsController.inc

@@ -0,0 +1,91 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the CharactergroupsquestsAgent to display Character
+	 * groups Quests.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class CharactergroupsquestsController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'charactergroups', 'charactergroupsquests', 'media');
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'quest' => array('admin', 'moderator', 'user')
+		);
+		/**
+		 * User seminary permissions
+		 * 
+		 * @var array
+		 */
+		public $seminaryPermissions = array(
+			'quest' => array('admin', 'moderator', 'user')
+		);
+		
+		
+		
+		
+		/**
+		 * Action: quest.
+		 * 
+		 * Show a Character groups Quest for a Character groups-group
+		 * of a Seminary.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl		URL-Title of a Seminary
+		 * @param	string	$groupsgroupUrl		URL-Title of a Character groups-group
+		 * @param	string	$questUrl		URL-Title of a Character groups Quest
+		 */
+		public function quest($seminaryUrl, $groupsgroupUrl, $questUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Character groups-group
+			$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
+			
+			// Get Character groups-group Quests
+			$quest = $this->Charactergroupsquests->getQuestByUrl($groupsgroup['id'], $questUrl);
+			
+			// Get Character groups-groups
+			$groups = $this->Charactergroupsquests->getGroupsForQuest($quest['id']);
+			
+			// Media
+			$questmedia = null;
+			if(!is_null($quest['questsmedia_id'])) {
+				$questmedia = $this->Media->getSeminaryMediaById($quest['questsmedia_id']);
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('groupsgroup', $groupsgroup);
+			$this->set('quest', $quest);
+			$this->set('groups', $groups);
+			$this->set('media', $questmedia);
+		}
+		
+	}
+
+?>

controllers/CharactersController.inc

@@ -0,0 +1,112 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to list registered users and their data.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class CharactersController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'index' => array('admin', 'moderator'),
+			'character' => array('admin', 'moderator', 'user')
+		);
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'characters', 'users', 'charactergroups', 'seminarycharacterfields');
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * List registered Characters for a Seminary
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of a Seminary
+		 */
+		public function index($seminaryUrl)
+		{
+			// Get Seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get registered Characters
+			$characters = $this->Characters->getCharactersForSeminary($seminary['id']);
+			
+			// Additional Character information
+			foreach($characters as &$character)
+			{
+				// Level
+				$character['xplevel'] = $this->Characters->getXPLevelOfCharacters($character['id']);
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('characters', $characters);
+		}
+		
+		
+		/**
+		 * Action: character.
+		 * 
+		 * Show a Charater and its details.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of a Seminary
+		 * @param	string	$characterUrl	URL-name of a Charater
+		 */
+		public function character($seminaryUrl, $characterUrl)
+		{
+			// Get Seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			$seminary['achievable_xps'] = $this->Seminaries->getTotalXPs($seminary['id']);
+			
+			// Get Character
+			$character = $this->Characters->getCharacterByUrl($seminary['id'], $characterUrl);
+			$character['quest_xps'] = $this->Characters->getQuestXPsOfCharacter($character['id']);
+			$character['xplevel'] = $this->Characters->getXPLevelOfCharacters($character['id']);
+			$character['rank'] = $this->Characters->getXPRank($seminary['id'], $character['xps']);
+			
+			// Get Seminarycharacterfields
+			$characterfields = $this->Seminarycharacterfields->getFieldsForCharacter($character['id']);
+			
+			// Get User
+			$user = $this->Users->getUserById($character['user_id']);
+			
+			// Get Character groups
+			$groups = $this->Charactergroups->getGroupsForCharacter($character['id']);
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('character', $character);
+			$this->set('characterfields', $characterfields);
+			$this->set('user', $user);
+			$this->set('groups', $groups);
+		}
+		
+	}
+
+?>

controllers/ErrorController.inc

@@ -0,0 +1,48 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to show an error page.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class ErrorController extends \hhu\z\Controller
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Set HTTP-header and print an error message.
+		 * 
+		 * @param	int	$httpStatusCode	HTTP-statuscode of the error that occurred
+		 */
+		public function index($httpStatusCode)
+		{
+			// Set HTTP-header
+			if(!array_key_exists($httpStatusCode, \nre\core\WebUtils::$httpStrings)) {
+				$httpStatusCode = 200;
+			}
+			$this->response->addHeader(\nre\core\WebUtils::getHttpHeader($httpStatusCode));
+			
+			// Display statuscode and message
+			$this->set('code', $httpStatusCode);
+			$this->set('string', \nre\core\WebUtils::$httpStrings[$httpStatusCode]);
+		}
+		
+	}
+
+?>

controllers/FaultController.inc

@@ -0,0 +1,37 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to display a toplevel error page.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class FaultController extends \nre\core\Controller
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Show the error message.
+		 */
+		public function index()
+		{
+		}
+		
+	}
+
+?>

controllers/HtmlController.inc

@@ -0,0 +1,59 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the HtmlAgent to display a HTML-page.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class HtmlController extends \hhu\z\Controller
+	{
+		
+		
+		
+		
+		/**
+		 * Prefilter.
+		 * 
+		 * @param	Request		$request	Current request
+		 * @param	Response	$response	Current response
+		 */
+		public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
+		{
+			parent::preFilter($request, $response);
+			
+			// Set content-type
+			$this->response->addHeader("Content-type: text/html; charset=utf-8");
+		}
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Create the HTML-structure.
+		 */
+		public function index()
+		{
+			// Set the name of the current IntermediateAgent as page title
+			$this->set('title', $this->request->getParam(1, 'intermediate'));
+			
+			// Set userdata
+			$this->set('loggedUser', IntermediateController::$user);
+			$this->set('loggedSeminary', IntermediateController::$seminary);
+			$this->set('loggedCharacter', IntermediateController::$character);
+		}
+		
+	}
+
+?>

controllers/IntroductionController.inc

@@ -0,0 +1,37 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to show an introduction page.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class IntroductionController extends \hhu\z\controllers\IntermediateController
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 */
+		public function index()
+		{
+			// Pass data to view
+			$this->set('userId', $this->Auth->getUserId());
+		}
+		
+	}
+
+?>

controllers/MediaController.inc

@@ -0,0 +1,293 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the MediaAgent to process and show Media.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MediaController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'index' => array('admin', 'moderator', 'user', 'guest'),
+			'seminary' => array('admin', 'moderator', 'user', 'guest')
+		);
+		/**
+		 * User seminary permissions
+		 * 
+		 * @var array
+		 */
+		public $seminaryPermissions = array(
+			'seminary' => array('admin', 'moderator', 'user', 'guest')
+		);
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'media');
+		
+		
+		
+		
+		/**
+		 * Prefilter.
+		 * 
+		 * @param	Request		$request	Current request
+		 * @param	Response	$response	Current response
+		 */
+		public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
+		{
+			parent::preFilter($request, $response);
+			
+			// Set headers for caching control
+			$response->addHeader("Pragma: public");
+			$response->addHeader("Cache-control: public, max-age=".(60*60*24));
+			$response->addHeader("Expires: ".gmdate('r', time()+(60*60*24)));
+			$response->addHeader("Date: ".gmdate(\DateTime::RFC822));
+		}
+		
+		
+		/**
+		 * Action: index
+		 * 
+		 * Display a medium.
+		 * 
+		 * @param	string	$mediaUrl	URL-name of the medium
+		 */
+		public function index($mediaUrl, $action=null)
+		{
+			// Get Media
+			$media = $this->Media->getMediaByUrl($mediaUrl);
+			
+			// Get format
+			$format = explode('/', $media['mimetype']);
+			$format = $format[1];
+			
+			// Set content-type
+			$this->response->addHeader("Content-type: ".$media['mimetype']."");
+			
+			// Set filename
+			$media['filename'] = ROOT.DS.\nre\configs\AppConfig::$dirs['media'].DS.$media['id'];
+			if(!file_exists($media['filename'])) {
+				throw new \nre\exceptions\IdNotFoundException($mediaUrl);
+			}
+			
+			// Cache
+			if($this->setCacheHeaders($media['filename'])) {
+				return;
+			}
+			
+			// Load and process file
+			$file = null;
+			switch($action)
+			{
+				// No action
+				case null:
+					// Do not process the file
+					$file = file_get_contents($media['filename']);
+				break;
+				default:
+					throw new ParamsNotValidException($action);
+				break;
+			}
+			
+			
+			
+			// Pass data to view
+			$this->set('media', $media);
+			$this->set('file', $file);
+		}
+		
+		
+		/**
+		 * Action: seminary.
+		 * 
+		 * Display a Seminary medium.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-title of the Seminary
+		 * @param	string	$mediaUrl	URL-name of the medium
+		 */
+		public function seminary($seminaryUrl, $mediaUrl, $action=null)
+		{
+			// Get Seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Media
+			$media = $this->Media->getSeminaryMediaByUrl($seminary['id'], $mediaUrl);
+			
+			// Get format
+			$format = explode('/', $media['mimetype']);
+			$format = $format[1];
+			
+			// Set content-type
+			$this->response->addHeader("Content-type: ".$media['mimetype']."");
+			
+			// Set filename
+			$media['filename'] = ROOT.DS.\nre\configs\AppConfig::$dirs['seminarymedia'].DS.$media['id'];
+			if(!file_exists($media['filename'])) {
+				throw new \nre\exceptions\IdNotFoundException($mediaUrl);
+			}
+			
+			// Cache
+			if($this->setCacheHeaders($media['filename'])) {
+				return;
+			}
+			
+			// Load and process file
+			$file = null;
+			switch($action)
+			{
+				// No action
+				case null:
+					// Do not process the file
+					$file = file_get_contents($media['filename']);
+				break;
+				case 'questgroup':
+					if(!in_array(strtoupper($format), self::getImageTypes())) {
+						$file = file_get_contents($media['filename']);
+					}
+					else
+					{
+						$file = self::resizeImage(
+							$media['filename'],
+							$format,
+							480
+						);
+					}
+				break;
+				default:
+					throw new ParamsNotValidException($action);
+				break;
+			}
+			
+			
+			
+			// Pass data to view
+			$this->set('media', $media);
+			$this->set('file', $file);
+		}
+		
+		
+		
+		
+		/**
+		 * Determine file information and set the HTTP-header for
+		 * caching accordingly.
+		 * 
+		 * @param	string	$fileName	Filename
+		 * @return	boolean			HTTP-status 304 was set (in cache)
+		 */
+		private function setCacheHeaders($fileName)
+		{
+			// Determine last change of file
+			$fileLastModified = gmdate('r', filemtime($fileName));
+			
+			// Generate E-Tag
+			$fileEtag = hash('sha256', $fileLastModified.$fileName);
+			
+			
+			// Set header
+			$this->response->addHeader("Last-Modified: ".$fileLastModified);
+			$this->response->addHeader("Etag: ".$fileEtag);
+			// HTTP-status
+			$headerModifiedSince = $this->request->getServerParam('HTTP_IF_MODIFIED_SINCE');
+			$headerNoneMatch = $this->request->getServerParam('HTTP_IF_NONE_MATCH');
+			if(
+				!is_null($headerModifiedSince) && $fileLastModified < strtotime($headerModifiedSince) &&
+				!is_null($headerNoneMatch) && $headerNoneMatch == $fileEtag
+			) {
+				$this->response->setExit(true);
+				$this->response->addHeader(\nre\core\WebUtils::getHttpHeader(304));
+				
+				return true;
+			}
+			
+			
+			return false;
+		}
+		
+		
+		
+		
+		/**
+		 * Get supported image types.
+		 * 
+		 * @return	array	List of supported image types
+		 */
+		private static function getImageTypes()
+		{
+			$im = new \Imagick();
+			
+			
+			return $im->queryFormats();
+		}
+		
+		
+		/**
+		 * Resize an image.
+		 * 
+		 * @param	string	$fileName	Absolute pathname of image to resize
+		 * @param	string	$mimeType	Mimetype of target image
+		 * @param	int	$size		New size to resize to
+		 */
+		private static function resizeImage($fileName, $mimeType, $size)
+		{
+			// Read image from cache
+			$tempFileName = ROOT.DS.\nre\configs\AppConfig::$dirs['temporary'].DS.'media-'.basename($fileName).'-'.$size;
+			if(file_exists($tempFileName))
+			{
+				// Check age of file
+				if(date('r', filemtime($tempFileName)+(60*60*24)) > date('r', time())) {
+					// Too old, delete
+					unlink($tempFileName);
+				}
+				else {
+					// Valid, read and return
+					return file_get_contents($tempFileName);
+				}
+			}
+			
+			
+			// ImageMagick
+			$im = new \Imagick($fileName);
+			
+			// Calculate new size
+			$geometry = $im->getImageGeometry();
+			if($geometry['width'] < $size) {
+				$size = $geometry['width'];
+			}
+			
+			// Process 
+			$im->thumbnailImage($size, 5000, true);
+			$im->contrastImage(1);
+			$im->setImageFormat($mimeType);
+			
+			// Save temporary file
+			$im->writeImage($tempFileName);
+			
+			
+			// Return resized image
+			return $im;
+		}
+		
+	}
+
+?>

controllers/MenuController.inc

@@ -0,0 +1,50 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to display a menu.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class MenuController extends \hhu\z\Controller
+	{
+		
+		
+		
+		
+		/**
+		 * Prefilter.
+		 * 
+		 * @param	Request		$request	Current request
+		 * @param	Response	$response	Current response
+		 */
+		public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
+		{
+			parent::preFilter($request, $response);
+			
+			// Set userdata
+			$this->set('loggedUser', IntermediateController::$user);
+		}
+		
+		
+		/**
+		 * Action: index.
+		 */
+		public function index()
+		{
+		}
+		
+	}
+
+?>

controllers/QuestgroupsController.inc

@@ -0,0 +1,179 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the QuestgroupsAgent to display Questgroups.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class QuestgroupsController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'questgroupshierarchy', 'questgroups', 'quests', 'questtexts', 'media');
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'questgroup' => array('admin', 'moderator', 'user')
+		);
+		/**
+		 * User seminary permissions
+		 * 
+		 * @var array
+		 */
+		public $seminaryPermissions = array(
+			'questgroup' => array('admin', 'moderator', 'user')
+		);
+		
+		
+		
+		
+		/**
+		 * Action: questgroup.
+		 * 
+		 * Display a Questgroup and its data.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of a Seminary
+		 * @param	string	$questgroupUrl	URL-Title of a Questgroup
+		 */
+		public function questgroup($seminaryUrl, $questgroupUrl)
+		{
+			// Get Seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Questgroup
+			$questgroup = $this->Questgroups->getQuestgroupByUrl($seminary['id'], $questgroupUrl);
+			
+			// Get Questgrouphierarchy
+			$questgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($questgroup['id']);
+			
+			// Get Character
+			$character = $this->Characters->getCharacterForUserAndSeminary($this->Auth->getUserId(), $seminary['id']);
+			
+			// Check permission
+			$previousQuestgroup = $this->Questgroups->getPreviousQuestgroup($questgroup['id']);
+			if(!is_null($previousQuestgroup)) {
+				if(!$this->Questgroups->hasCharacterSolvedQuestgroup($previousQuestgroup['id'], $character['id'])) {
+					throw new \nre\exceptions\AccessDeniedException();
+				}
+			}
+			
+			// Get child Questgroupshierarchy
+			$childQuestgroupshierarchy = null;
+			if(!empty($questgroup['hierarchy']))
+			{
+				$childQuestgroupshierarchy = $this->Questgroupshierarchy->getChildQuestgroupshierarchy($questgroup['hierarchy']['id']);
+				foreach($childQuestgroupshierarchy as &$hierarchy)
+				{
+					// Get Questgroups
+					$hierarchy['questgroups'] = $this->Questgroups->getQuestgroupsForHierarchy($hierarchy['id'], $questgroup['id']);
+				
+					// Get additional data
+					foreach($hierarchy['questgroups'] as $i => &$group)
+					{
+						// Check permission of Questgroups
+						if($i >= 1)
+						{
+							if(!$this->Questgroups->hasCharacterSolvedQuestgroup($hierarchy['questgroups'][$i-1]['id'], $character['id']))
+							{
+								$hierarchy['questgroups'] = array_slice($hierarchy['questgroups'], 0, $i);
+								break;
+							}
+						}
+						
+						// Get Character XPs
+						$group['character_xps'] = $this->Questgroups->getAchievedXPsForQuestgroup($group['id'], $character['id']);
+					}
+				}
+			}
+			
+			// Get texts
+			$questgroupTexts = $this->Questgroups->getQuestgroupTexts($questgroup['id']);
+			
+			// Get Character XPs
+			$questgroup['character_xps'] = $this->Questgroups->getAchievedXPsForQuestgroup($questgroup['id'], $character['id']);
+			
+			// Media
+			$picture = null;
+			if(!is_null($questgroup['questgroupspicture_id']))
+			{
+				$picture = $this->Media->getSeminaryMediaById($questgroup['questgroupspicture_id']);
+			}
+					
+			
+			// Get Quests
+			$quests = array();
+			if(count($childQuestgroupshierarchy) == 0)
+			{
+				$currentQuest = null;
+				do {
+					// Get next Quest
+					if(is_null($currentQuest)) {
+						$currentQuest = $this->Quests->getFirstQuestOfQuestgroup($questgroup['id']);
+					}
+					else {
+						$nextQuests = $this->Quests->getNextQuests($currentQuest['id']);
+						$currentQuest = null;
+						foreach($nextQuests as &$nextQuest) {
+							if($this->Quests->hasCharacterEnteredQuest($nextQuest['id'], $character['id'])) {
+								$currentQuest = $nextQuest;
+								break;
+							}
+						}
+					}
+					
+					// Add additional data
+					if(!is_null($currentQuest))
+					{
+						// Set status
+						$currentQuest['solved'] = $this->Quests->hasCharacterSolvedQuest($currentQuest['id'], $character['id']);
+						
+						// Attach related Questgroups
+						$currentQuest['relatedQuestgroups'] = array();
+						$relatedQuestgroups = $this->Questgroups->getRelatedQuestsgroupsOfQuest($currentQuest['id']);
+						foreach($relatedQuestgroups as &$relatedQuestgroup)
+						{
+							$firstQuest = $this->Quests->getFirstQuestOfQuestgroup($relatedQuestgroup['id']);
+							if(!empty($firstQuest) && $this->Quests->hasCharacterEnteredQuest($firstQuest['id'], $character['id'])) {
+								$currentQuest['relatedQuestgroups'][] = $relatedQuestgroup;
+							}
+						}
+						
+						// Add Quest to Quests
+						$quests[] = $currentQuest;
+					}
+				}
+				while(!is_null($currentQuest) && $currentQuest['solved']);
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('questgroup', $questgroup);
+			$this->set('childquestgroupshierarchy', $childQuestgroupshierarchy);
+			$this->set('texts', $questgroupTexts);
+			$this->set('picture', $picture);
+			$this->set('quests', $quests);
+		}
+		
+	}
+
+?>

controllers/QuestgroupshierarchypathController.inc

@@ -0,0 +1,90 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of QuestgroupshierarchypathAgent to display the
+	 * Questgroups hierarchy path.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class QuestgroupshierarchypathController extends \hhu\z\Controller
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'questgroups', 'questgroupshierarchy', 'quests', 'questtexts');
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 *
+		 * Calculate and show the hierarchy path of a Questgroup.
+		 * 
+		 * @param	string	$seminaryUrl	URL-Title of a Seminary
+		 * @param	string	$questgroupUrl	URL-Title of a Questgroup
+		 * @param	boolean	$showGroup	Show the current group itself
+		 */
+		public function index($seminaryUrl, $questgroupUrl, $showGroup=false)
+		{
+			// Get Seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Questgroup
+			$questgroup = $this->Questgroups->getQuestgroupByUrl($seminary['id'], $questgroupUrl);
+			$questgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($questgroup['id']);
+			
+			// Get parent Questgrouphierarchy
+			$currentQuestgroup = $questgroup;
+			$parentQuestgroupshierarchy = array();
+			if($showGroup) {
+				array_unshift($parentQuestgroupshierarchy, $currentQuestgroup);	
+			}
+			if(is_null($questgroup['hierarchy']))
+			{
+				// Get related Questgroup
+				$questtext = $this->Questtexts->getRelatedQuesttextForQuestgroup($currentQuestgroup['id']);
+				$quest = $this->Quests->getQuestById($questtext['quest_id']);
+				$currentQuestgroup = $this->Questgroups->getQuestgroupById($quest['questgroup_id']);
+				$currentQuestgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($currentQuestgroup['id']);
+				$quest['questgroup'] = $currentQuestgroup;
+				
+				// Use Hierarchy name for optional Questgroup
+				if(!empty($parentQuestgroupshierarchy)) {
+					$parentQuestgroupshierarchy[0]['hierarchy'] = $currentQuestgroup['hierarchy'];
+					unset($parentQuestgroupshierarchy[0]['hierarchy']['questgroup_pos']);
+				}
+				
+				array_unshift($parentQuestgroupshierarchy, $quest);
+				array_unshift($parentQuestgroupshierarchy, $currentQuestgroup);
+			}
+			while(!empty($currentQuestgroup['hierarchy']) && !is_null($currentQuestgroup['hierarchy']['parent_questgroup_id']))
+			{
+				$currentQuestgroup = $this->Questgroups->GetQuestgroupById($currentQuestgroup['hierarchy']['parent_questgroup_id']);
+				$currentQuestgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($currentQuestgroup['id']);
+				array_unshift($parentQuestgroupshierarchy, $currentQuestgroup);
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('parentquestgroupshierarchy', $parentQuestgroupshierarchy);
+		}
+		
+	}
+
+?>

controllers/QuestsController.inc

@@ -0,0 +1,595 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the QuestsAgent to display Quests.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class QuestsController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'questgroups', 'quests', 'questtexts', 'media', 'questtypes', 'questgroupshierarchy');
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'quest' => array('admin', 'moderator', 'user'),
+			'submissions' => array('admin', 'moderator'),
+			'submission' => array('admin', 'moderator')
+		);
+		/**
+		 * User seminary permissions
+		 * 
+		 * @var array
+		 */
+		public $seminaryPermissions = array(
+			'quest' => array('admin', 'moderator', 'user'),
+			'submissions' => array('admin', 'moderator'),
+			'submission' => array('admin', 'moderator')
+		);
+		
+		
+		
+		
+		/**
+		 * Action: quest.
+		 * 
+		 * Show a quest and its task.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl		URL-Title of Seminary
+		 * @param	string	$questgroupUrl		URL-Title of Questgroup
+		 * @param	string	$questUrl		URL-Title of Quest
+		 * @param	string	$questtexttypeUrl	URL-Title of Questtexttype
+		 * @param	int	$questtextPos		Position of Questtext
+		 */
+		public function quest($seminaryUrl, $questgroupUrl, $questUrl, $questtexttypeUrl=null, $questtextPos=1)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Questgroup
+			$questgroup = $this->Questgroups->getQuestgroupByUrl($seminary['id'], $questgroupUrl);
+			$questgroup['picture'] = null;
+			if(!is_null($questgroup['questgroupspicture_id'])) {
+				$questgroup['picture'] = $this->Media->getSeminaryMediaById($questgroup['questgroupspicture_id']);
+			}
+			
+			
+			// Get Quest
+			$quest = $this->Quests->getQuestByUrl($seminary['id'], $questgroup['id'], $questUrl);
+			
+			// Get Character
+			$character = $this->Characters->getCharacterForUserAndSeminary($this->Auth->getUserId(), $seminary['id']);
+			
+			// Check permissions
+			$previousQuests = $this->Quests->getPreviousQuests($quest['id']);
+			if(count($previousQuests) == 0)
+			{
+				// Previous Questgroup
+				$previousQuestgroup = $this->Questgroups->getPreviousQuestgroup($questgroup['id']);
+				if(!is_null($previousQuestgroup) && !$this->Questgroups->hasCharacterSolvedQuestgroup($previousQuestgroup['id'], $character['id'])) {
+					throw new \nre\exceptions\AccessDeniedException();
+				}
+			}
+			else
+			{
+				// Previous Quests
+				// One previous Quest has to be solved and no other
+				// following Quests of ones has to be tried
+				$solved = false;
+				$tried = false;
+				foreach($previousQuests as &$previousQuest)
+				{
+					// // Check previous Quest
+					if($this->Quests->hasCharacterSolvedQuest($previousQuest['id'], $character['id']))
+					{
+						$solved = true;
+						
+						// Check following Quests
+						$followingQuests = $this->Quests->getNextQuests($previousQuest['id']);
+						foreach($followingQuests as $followingQuest)
+						{
+							// Check following Quest
+							if($followingQuest['id'] != $quest['id'] && $this->Quests->hasCharacterTriedQuest($followingQuest['id'], $character['id']))
+							{
+								$tried = true;
+								break;
+							}
+						}
+						
+						break;
+					}
+				}
+				if(!$solved || $tried) {
+					throw new \nre\exceptions\AccessDeniedException();
+				}
+			}
+			
+			// Set status “entered”
+			$this->Quests->setQuestEntered($quest['id'], $character['id']);
+			
+			// Get (related) Questtext
+			$relatedQuesttext = $this->Questtexts->getRelatedQuesttextForQuestgroup($questgroup['id']);
+			if(!empty($relatedQuesttext)) {
+				$relatedQuesttext['quest'] = $this->Quests->getQuestById($relatedQuesttext['quest_id']);
+				if(!empty($relatedQuesttext['quest'])) {
+					$relatedQuesttext['quest']['questgroup_url'] = $this->Questgroups->getQuestgroupById($relatedQuesttext['quest']['questgroup_id'])['url'];
+				}
+			}
+			
+			// Get Questtexts
+			if(is_null($questtexttypeUrl)) {
+				$questtexttypeUrl = 'Prolog';
+			}
+			$questtexttypes = $this->Questtexts->getQuesttexttypes();
+			//$questtexttypesUrls = array_map(function($t) { return $t['url']; }, $questtexttypes);
+			if(($questtexttypeIndex = array_search($questtexttypeUrl, array_map(function($t) { return $t['url']; }, $questtexttypes))) === false) {
+				throw new ParamsNotValidException($questtexttypeUrl);
+			}
+			$questtexttype = $questtexttypes[$questtexttypeIndex];
+			$questtexts = $this->Questtexts->getQuesttextsOfQuest($quest['id'], $questtexttypeUrl);
+			foreach($questtexts as &$questtext)
+			{
+				// Questtext media
+				if(!is_null($questtext['questsmedia_id'])) {
+					$questtext['media'] = $this->Media->getSeminaryMediaById($questtext['questsmedia_id']);
+				}
+				
+				// Related Questgroups
+				$questtext['relatedQuestsgroups'] = $this->Questgroups->getRelatedQuestsgroupsOfQuesttext($questtext['id']);
+			}
+			
+			// Quest status
+			$questStatus = $this->request->getGetParam('status');
+			$questStatusText = null;
+			if(!is_null($questStatus))
+			{
+				switch($questStatus)
+				{
+					case 'solved':
+						$questStatusText = $quest['right_text'];
+					break;
+					case 'unsolved':
+						$questStatusText = $quest['wrong_text'];
+					break;
+				}
+			}
+			
+			// Quest media
+			$questmedia = null;
+			if(!is_null($quest['questsmedia_id'])) {
+				$questmedia = $this->Media->getSeminaryMediaById($quest['questsmedia_id']);
+			}
+			
+			// Task
+			$task = null;
+			if($questtexttypeUrl == 'Prolog')
+			{
+				// Questtype
+				$questtype = $this->Questtypes->getQuesttypeById($quest['questtype_id']);
+				
+				// Render task
+				$task = $this->renderTask($questtype['classname'], $seminary, $questgroup, $quest, $character);
+			}
+			
+			// Has Character solved quest?
+			$solved = $this->Quests->hasCharacterSolvedQuest($quest['id'], $character['id']);
+			
+			// Next Quest/Questgroup
+			$nextQuests = null;
+			$charactedHasChoosenNextQuest = false;
+			$nextQuestgroup = null;
+			if($questtexttypeUrl == 'Epilog')
+			{
+				// Next Quest
+				$nextQuests = $this->Quests->getNextQuests($quest['id']);
+				foreach($nextQuests as &$nextQuest)
+				{
+					// Set entered status of Quest
+					$nextQuest['entered'] = $this->Quests->hasCharacterEnteredQuest($nextQuest['id'], $character['id']);
+					if($nextQuest['entered']) {
+						$charactedHasChoosenNextQuest = true;
+					}
+				}
+				
+				// Next Questgroup
+				if(empty($nextQuests))
+				{
+					if(is_null($relatedQuesttext))
+					{
+						$nextQuestgroup = $this->Questgroups->getNextQuestgroup($questgroup['id']);
+						$nextQuestgroup['hierarchy'] = $this->Questgroupshierarchy->getHierarchyForQuestgroup($nextQuestgroup['id']);
+					}
+					else
+					{
+						// Related (Main-) Quest
+						$nextQuest = $relatedQuesttext['quest'];
+						$nextQuest['entered'] = true;
+						$nextQuests = array($nextQuest);
+					}
+				}
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('questgroup', $questgroup);
+			$this->set('questtexttype', $questtexttype);
+			$this->set('questtexts', $questtexts);
+			$this->set('quest', $quest);
+			$this->set('queststatus', $questStatus);
+			$this->set('queststatustext', $questStatusText);
+			$this->set('relatedquesttext', $relatedQuesttext);
+			$this->set('nextquests', $nextQuests);
+			$this->set('charactedHasChoosenNextQuest', $charactedHasChoosenNextQuest);
+			$this->set('nextquestgroup', $nextQuestgroup);
+			$this->set('task', $task);
+			$this->set('media', $questmedia);
+			$this->set('solved', $solved);
+		}
+		
+		
+		/**
+		 * List Character submissions for a Quest.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of Seminary
+		 * @param	string	$questgroupUrl	URL-Title of Questgroup
+		 * @param	string	$questUrl	URL-Title of Quest
+		 */
+		public function submissions($seminaryUrl, $questgroupUrl, $questUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Questgroup
+			$questgroup = $this->Questgroups->getQuestgroupByUrl($seminary['id'], $questgroupUrl);
+			$questgroup['picture'] = null;
+			if(!is_null($questgroup['questgroupspicture_id'])) {
+				$questgroup['picture'] = $this->Media->getMediaById($questgroup['questgroupspicture_id']);
+			}
+			
+			// Get Quest
+			$quest = $this->Quests->getQuestByUrl($seminary['id'], $questgroup['id'], $questUrl);
+			
+			// Media
+			$questmedia = null;
+			if(!is_null($quest['questsmedia_id'])) {
+				$questmedia = $this->Media->getMediaById($quest['questsmedia_id']);
+			}
+			
+			// Get submitted Character submissions
+			$submittedSubmissionCharacters = $this->Characters->getCharactersSubmittedQuest($quest['id']);
+			
+			// Get unsolved Character submissions
+			$unsolvedSubmissionCharacters = $this->Characters->getCharactersUnsolvedQuest($quest['id']);
+			
+			// Get solved Character submissions
+			$solvedSubmissionCharacters = $this->Characters->getCharactersSolvedQuest($quest['id']);
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('questgroup', $questgroup);
+			$this->set('quest', $quest);
+			$this->set('media', $questmedia);
+			$this->set('submittedSubmissionCharacters', $submittedSubmissionCharacters);
+			$this->set('unsolvedSubmissionCharacters', $unsolvedSubmissionCharacters);
+			$this->set('solvedSubmissionCharacters', $solvedSubmissionCharacters);
+		}
+		
+		
+		/**
+		 * Show and handle the submission of a Character for a Quest.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of Seminary
+		 * @param	string	$questgroupUrl	URL-Title of Questgroup
+		 * @param	string	$questUrl	URL-Title of Quest
+		 * @param	string	$characterUrl	URL-Title of Character
+		 */
+		public function submission($seminaryUrl, $questgroupUrl, $questUrl, $characterUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Get Questgroup
+			$questgroup = $this->Questgroups->getQuestgroupByUrl($seminary['id'], $questgroupUrl);
+			$questgroup['picture'] = null;
+			if(!is_null($questgroup['questgroupspicture_id'])) {
+				$questgroup['picture'] = $this->Media->getMediaById($questgroup['questgroupspicture_id']);
+			}
+			
+			// Get Quest
+			$quest = $this->Quests->getQuestByUrl($seminary['id'], $questgroup['id'], $questUrl);
+			
+			// Character
+			$character = $this->Characters->getCharacterByUrl($seminary['id'], $characterUrl);
+			
+			// Media
+			$questmedia = null;
+			if(!is_null($quest['questsmedia_id'])) {
+				$questmedia = $this->Media->getMediaById($quest['questsmedia_id']);
+			}
+			
+			// Questtype
+			$questtype = $this->Questtypes->getQuesttypeById($quest['questtype_id']);
+			
+			// Render Questtype output
+			$output = $this->renderTaskSubmission($questtype['classname'], $seminary, $questgroup, $quest, $character);
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('questgroup', $questgroup);
+			$this->set('quest', $quest);
+			$this->set('character', $character);
+			$this->set('media', $questmedia);
+			$this->set('output', $output);
+		}
+		
+		
+		
+		
+		/**
+		 * Render and handle the task of a Quest.
+		 * 
+		 * @param	string	$questtypeClassname	Name of the class for the Questtype of a Quest
+		 * @param	array	$seminary		Seminary data
+		 * @param	array	$questgroup		Questgroup data
+		 * @param	array	$quest			Quest data
+		 * @param	array	$character		Character data
+		 * @return	string				Rendered output
+		 */
+		private function renderTask($questtypeClassname, $seminary, $questgroup, $quest, $character)
+		{
+			$task = null;
+			try {
+				// Generate request and response
+				$request = clone $this->request;
+				$response = $this->createQuesttypeResponse('quest', $seminary, $questgroup, $quest, $character);
+				
+				// Load Questtype Agent
+				$questtypeAgent = $this->loadQuesttypeAgent($questtypeClassname, $request, $response);
+				
+				// Solve Quest
+				if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('submit')))
+				{
+					// Get user answers
+					$answers = $this->request->getPostParam('answers');
+					
+					// Save answers in database
+					try {
+						if(!$this->Quests->hasCharacterSolvedQuest($quest['id'], $character['id'])) {
+							$questtypeAgent->saveAnswersOfCharacter($seminary, $questgroup, $quest, $character, $answers);
+						}
+					
+						// Match answers with correct ones
+						$status = $questtypeAgent->matchAnswersofCharacter($seminary, $questgroup, $quest, $character, $answers);
+						if($status === true)
+						{
+							// Mark Quest as solved
+							$this->Quests->setQuestSolved($quest['id'], $character['id']);
+						
+							// Redirect
+							$this->redirect($this->linker->link('Epilog', 5, true, array('status'=>'solved')));
+						}
+						elseif($status === false)
+						{
+							// Mark Quest as unsolved
+							$this->Quests->setQuestUnsolved($quest['id'], $character['id']);
+						
+							// Redirect
+							$this->redirect($this->linker->link('Prolog', 5, true, array('status'=>'unsolved')));
+						}
+						else {
+							// Mark Quest as submitted
+							$this->Quests->setQuestSubmitted($quest['id'], $character['id']);
+						
+							// Redirect
+							$this->redirect($this->linker->link('Prolog', 5, true));
+						}
+					}
+					catch(\hhu\z\exceptions\SubmissionNotValidException $e) {
+						$response->addParam($e);
+					}
+				}
+				
+				// Render Task
+				$task = $this->runQuesttypeAgent($questtypeAgent, $request, $response);
+			}
+			catch(\nre\exceptions\ViewNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\nre\exceptions\ActionNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeModelNotValidException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeModelNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeControllerNotValidException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeControllerNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeAgentNotValidException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeAgentNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			
+			
+			// Return rendered output
+			return $task;
+		}
+		
+		
+		/**
+		 * Render and handle a Character submission for a Quest.
+		 * 
+		 * @param	string	$questtypeClassname	Name of the class for the Questtype of a Quest
+		 * @param	array	$seminary		Seminary data
+		 * @param	array	$questgroup		Questgroup data
+		 * @param	array	$quest			Quest data
+		 * @param	array	$character		Character data
+		 * @return	string				Rendered output
+		 */
+		private function renderTaskSubmission($questtypeClassname, $seminary, $questgroup, $quest, $character)
+		{
+			$task = null;
+			try {
+				// Generate request and response
+				$request = clone $this->request;
+				$response = $this->createQuesttypeResponse('submission', $seminary, $questgroup, $quest, $character);
+				
+				// Load Questtype Agent
+				$questtypeAgent = $this->loadQuesttypeAgent($questtypeClassname, $request, $response);
+				
+				// Solve Quest
+				if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('submit')))
+				{
+					// Set status
+					if($this->request->getPostParam('submit') == _('solved'))
+					{
+						// Mark Quest as solved
+						$this->Quests->setQuestSolved($quest['id'], $character['id']);
+					}
+					else
+					{
+						// Mark Quest as unsolved
+						$this->Quests->setQuestUnsolved($quest['id'], $character['id']);
+					}
+					
+					// Redirect
+					$this->redirect($this->linker->link(array('submissions', $seminary['url'], $questgroup['url'], $quest['url']), 1));
+				}
+				
+				// Render task submissions
+				$task = $this->runQuesttypeAgent($questtypeAgent, $request, $response);
+			}
+			catch(\nre\exceptions\ViewNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\nre\exceptions\ActionNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeModelNotValidException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeModelNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeControllerNotValidException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeControllerNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeAgentNotValidException $e) {
+				$task = $e->getMessage();
+			}
+			catch(\hhu\z\exceptions\QuesttypeAgentNotFoundException $e) {
+				$task = $e->getMessage();
+			}
+			
+			
+			// Return rendered output
+			return $task;
+		}
+		
+		
+		/**
+		 * Create a response for the Questtype rendering.
+		 * 
+		 * @param	string		$action	Action to run
+		 * @param	mixed		$param	Additional parameters to add to the response
+		 * @return	Response		Generated response
+		 */
+		private function createQuesttypeResponse($action, $param1)
+		{
+			// Clone current response
+			$response = clone $this->response;
+			// Clear parameters
+			$response->clearParams(1);
+			
+			// Add Action
+			$response->addParams(
+				null,
+				$action
+			);
+			
+			// Add additional parameters
+			foreach(array_slice(func_get_args(), 1) as $param) {
+				$response->addParam($param);
+			}
+			
+			
+			// Return response
+			return $response;
+		}
+		
+		
+		/**
+		 * Load and construct the QuesttypeAgent for a Questtype.
+		 * 
+		 * @param	string		$questtypeClassname	Name of the class for the Questtype of a Quest
+		 * @param	Request		$request		Request
+		 * @param	Response	$response		Response
+		 * @return						QuesttypeAgent
+		 */
+		private function loadQuesttypeAgent($questtypeClassname, $request, $response)
+		{
+			// Load Agent
+			\hhu\z\QuesttypeAgent::load($questtypeClassname);
+			
+			
+			// Construct and return Agent
+			return \hhu\z\QuesttypeAgent::factory($questtypeClassname, $request, $response);
+		}
+		
+		
+		/**
+		 * Run and render the Agent for a QuesttypeAgent and return ist output.
+		 * 
+		 * @param	Agent		$questtypeAgent		QuesttypeAgent to run and render
+		 * @param	Request		$request		Request
+		 * @param	Response	$response		Response
+		 * @return	string					Rendered output
+		 */
+		private function runQuesttypeAgent($questtypeAgent, $request, $response)
+		{
+			// Run Agent
+			$questtypeAgent->run($request, $response);
+			
+			
+			// Render and return output
+			return $questtypeAgent->render();
+		}
+		
+	}
+
+?>

controllers/SeminariesController.inc

@@ -0,0 +1,253 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to list registered seminaries.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class SeminariesController extends \hhu\z\controllers\SeminaryRoleController
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('seminaries', 'users', 'questgroupshierarchy', 'questgroups', 'media');
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'index' => array('admin', 'moderator', 'user'),
+			'seminary' => array('admin', 'moderator', 'user'),
+			'create' => array('admin', 'moderator'),
+			'edit' => array('admin', 'moderator', 'user'),
+			'delete' => array('admin', 'moderator', 'user')
+		);
+		/**
+		 * User seminary permissions
+		 * 
+		 * @var array
+		 */
+		public $seminaryPermissions = array(
+			'seminary' => array('admin', 'moderator', 'user', 'guest'),
+			'edit' => array('admin', 'moderator'),
+			'delete' => array('admin', 'moderator')
+		);
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * List registered seminaries.
+		 */
+		public function index()
+		{
+			// Get seminaries
+			$seminaries = $this->Seminaries->getSeminaries();
+			
+			// Get additional data
+			foreach($seminaries as &$seminary)
+			{
+				// Created user
+				$seminary['creator'] = $this->Users->getUserById($seminary['created_user_id']);
+				
+				// Media
+				if(!is_null($seminary['media_id'])) {
+					$seminary['media'] = $this->Media->getMediaById($seminary['media_id']);
+				}
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminaries', $seminaries);
+		}
+		
+		
+		/**
+		 * Action: seminary.
+		 * 
+		 * Show a seminary and its details.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of a seminary
+		 */
+		public function seminary($seminaryUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Created user
+			$seminary['creator'] = $this->Users->getUserById($seminary['created_user_id']);
+			
+			// Get Character
+			$character = $this->Characters->getCharacterForUserAndSeminary($this->Auth->getUserId(), $seminary['id']);
+			
+			// Questgrouphierarchy and Questgroups
+			$questgroupshierarchy = $this->Questgroupshierarchy->getHierarchyOfSeminary($seminary['id']);
+			foreach($questgroupshierarchy as &$hierarchy)
+			{
+				// Get Questgroups
+				$hierarchy['questgroups'] = $this->Questgroups->getQuestgroupsForHierarchy($hierarchy['id']);
+				
+				// Get additional data
+				foreach($hierarchy['questgroups'] as $i => &$questgroup)
+				{
+					// Check permission of Questgroups
+					if($i >= 1)
+					{
+						if(!$this->Questgroups->hasCharacterSolvedQuestgroup($hierarchy['questgroups'][$i-1]['id'], $character['id']))
+						{
+							$hierarchy['questgroups'] = array_slice($hierarchy['questgroups'], 0, $i);
+							break;
+						}
+					}
+					
+					// Get first Questgroup text
+					$text = $this->Questgroups->getFirstQuestgroupText($questgroup['id']);
+					if(!empty($text))
+					{
+						$text = \hhu\z\Utils::shortenString($text['text'], 100, 120).' …';
+						$questgroup['text'] = $text;
+					}
+					
+					// Get Character XPs
+					$hierarchy['questgroups'][$i]['character_xps'] = $this->Questgroups->getAchievedXPsForQuestgroup($questgroup['id'], $character['id']);
+					
+					// Get Media
+					$questgroup['picture'] = null;
+					try {
+						$questgroup['picture'] = $this->Media->getSeminaryMediaById($questgroup['questgroupspicture_id']);
+					}
+					catch(\nre\exceptions\IdNotFoundException $e) {
+					}
+				}
+			}
+			
+			// Medium
+			$media = null;
+			if(!is_null($seminary['media_id'])) {
+				$media = $this->Media->getMediaById($seminary['media_id']);
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+			$this->set('questgroupshierarchy', $questgroupshierarchy);
+			$this->set('media', $media);
+		}
+		
+		
+		/**
+		 * Action: create.
+		 * 
+		 * Create a new seminary.
+		 */
+		public function create()
+		{
+			if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('create')))
+			{
+				// Create new seminary
+				$seminaryId = $this->Seminaries->createSeminary(
+					$this->request->getPostParam('title'),
+					$this->Auth->getUserId()
+				);
+				
+				// Redirect to seminary
+				$user = $this->Seminaries->getSeminaryById($seminaryId);
+				$this->redirect($this->linker->link(array($seminary['url']), 1));
+			}
+		}
+		
+		
+		/**
+		 * Action: edit.
+		 * 
+		 * Edit a seminary.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of a seminary
+		 */
+		public function edit($seminaryUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Check request method
+			if($this->request->getRequestMethod() == 'POST')
+			{
+				// Save changes
+				if(!is_null($this->request->getPostParam('save')))
+				{
+					// Edit seminary
+					$this->Seminaries->editSeminary(
+						$seminary['id'],
+						$this->request->getPostParam('title')
+					);
+					$seminary = $this->Seminaries->getSeminaryById($seminary['id']);
+				}
+				
+				
+				// Redirect to entry
+				$this->redirect($this->linker->link(array($seminary['url']), 1));
+			}
+			
+			
+			// Pass data to view
+			$this->set('seminary', $seminary);
+		}
+		
+		
+		/**
+		 * Action: delete.
+		 * 
+		 * Delete a seminary.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$seminaryUrl	URL-Title of a seminary
+		 */
+		public function delete($seminaryUrl)
+		{
+			// Get seminary
+			$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
+			
+			// Check request method
+			if($this->request->getRequestMethod() == 'POST')
+			{
+				// Check confirmation
+				if(!is_null($this->request->getPostParam('delete')))
+				{
+					// Delete seminary
+					$this->Seminaries->deleteSeminary($seminary['id']);
+					
+					// Redirect to overview
+					$this->redirect($this->linker->link(null, 1));
+				}
+				
+				// Redirect to entry
+				$this->redirect($this->linker->link(array('seminary', $seminary['url']), 1));
+			}
+			
+			
+			// Show confirmation
+			$this->set('seminary', $seminary);
+		}
+		
+	}
+
+?>

controllers/SeminarymenuController.inc

@@ -0,0 +1,52 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to display a menu with Seminary related
+	 * links.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class SeminarymenuController extends \hhu\z\Controller
+	{
+		
+		
+		
+		
+		/**
+		 * Prefilter.
+		 * 
+		 * @param	Request		$request	Current request
+		 * @param	Response	$response	Current response
+		 */
+		public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
+		{
+			parent::preFilter($request, $response);
+			
+			// Set userdata
+			$this->set('loggedUser', IntermediateController::$user);
+			$this->set('loggedSeminary', IntermediateController::$seminary);
+		}
+		
+		
+		/**
+		 * Action: index.
+		 */
+		public function index()
+		{
+		}
+		
+	}
+
+?>

controllers/UploadsController.inc

@@ -0,0 +1,174 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the UploadsAgent to process and show user uploads.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class UploadsController extends \hhu\z\controllers\IntermediateController
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('uploads', 'users', 'userroles');
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'index' => array('admin', 'moderator', 'user', 'userseminaryroles')
+		);
+		
+		
+		
+		
+		/**
+		 * Prefilter.
+		 * 
+		 * @param	Request		$request	Current request
+		 * @param	Response	$response	Current response
+		 */
+		public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
+		{
+			parent::preFilter($request, $response);
+			
+			// Set headers for caching control
+			$response->addHeader("Pragma: public");
+			$response->addHeader("Cache-control: public, max-age=".(60*60*24));
+			$response->addHeader("Expires: ".gmdate('r', time()+(60*60*24)));
+			$response->addHeader("Date: ".gmdate(\DateTime::RFC822));
+		}
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Display an upload.
+		 * 
+		 * @throws	AccessDeniedException
+		 * @throws	IdNotFoundException
+		 * @param	string	$uploadUrl	URL-name of the upload
+		 */
+		public function index($uploadUrl)
+		{
+			// Get Upload
+			$upload = $this->Uploads->getUploadByUrl($uploadUrl);
+			
+			// Check permissions
+			$user = $this->Users->getUserById($this->Auth->getUserId());
+			$user['roles'] = array();
+			foreach($this->Userroles->getUserrolesForUserById($user['id']) as $role) {
+				$user['roles'][] = $role['name'];
+			}
+			if(!$upload['public'])
+			{
+				// System roles
+				if(count(array_intersect(array('admin', 'moderator'), $user['roles'])) == 0)
+				{
+					// Owner of file
+					if($upload['created_user_id'] != $user['id'])
+					{
+						if(!is_null($upload['seminary_id'])) {
+							throw new \nre\exceptions\AccessDeniedException();
+						}
+						else
+						{
+							// Seminary
+							$seminary = $this->Seminaries->getSeminaryById($upload['seminary_id']);
+							
+							// Seminary roles
+							$userSeminaryRoles = array();
+							foreach($this->Userseminaryroles->getUserseminaryrolesForUserById($user['id'], $seminary['id']) as $role) {
+								$userSeminaryRoles[] = $role['name'];
+							}
+							
+							if(count(array_intersect(array('admin', 'moderator'), $userSeminaryRoles)) == 0) {
+								throw new \nre\exceptions\AccessDeniedException();
+							}
+						}
+					}
+				}
+			}
+			
+			// Set content-type
+			$this->response->addHeader("Content-type: ".$upload['mimetype']."");
+			
+			// Set filename
+			$upload['filename'] = ROOT.DS.\nre\configs\AppConfig::$dirs['uploads'].DS.$upload['id'];
+			if(!file_exists($upload['filename'])) {
+				throw new \nre\exceptions\IdNotFoundException($uploadUrl);
+			}
+			
+			// Cache
+			if($this->setCacheHeaders($upload['filename'])) {
+				return;
+			}
+			
+			// Load file
+			$file = file_get_contents($upload['filename']);
+
+			
+			
+			
+			// Pass data to view
+			$this->set('upload', $upload);
+			$this->set('file', $file);
+		}
+		
+		
+		
+		
+		/**
+		 * Determine file information and set the HTTP-header for
+		 * caching accordingly.
+		 * 
+		 * @param	string	$fileName	Filename
+		 * @return	boolean			HTTP-status 304 was set (in cache)
+		 */
+		private function setCacheHeaders($fileName)
+		{
+			// Determine last change of file
+			$fileLastModified = gmdate('r', filemtime($fileName));
+			
+			// Generate E-Tag
+			$fileEtag = hash('sha256', $fileLastModified.$fileName);
+			
+			
+			// Set header
+			$this->response->addHeader("Last-Modified: ".$fileLastModified);
+			$this->response->addHeader("Etag: ".$fileEtag);
+			// HTTP-status
+			$headerModifiedSince = $this->request->getServerParam('HTTP_IF_MODIFIED_SINCE');
+			$headerNoneMatch = $this->request->getServerParam('HTTP_IF_NONE_MATCH');
+			if(
+				!is_null($headerModifiedSince) && $fileLastModified < strtotime($headerModifiedSince) &&
+				!is_null($headerNoneMatch) && $headerNoneMatch == $fileEtag
+			) {
+				$this->response->setExit(true);
+				$this->response->addHeader(\nre\core\WebUtils::getHttpHeader(304));
+				
+				return true;
+			}
+			
+			
+			return false;
+		}
+		
+	}
+
+?>

controllers/UserrolesController.inc

@@ -0,0 +1,47 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to display and manage userroles.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class UserrolesController extends \hhu\z\Controller
+	{
+		
+		
+		
+		
+		/**
+		 * Action: user.
+		 * 
+		 * Show a user and its details.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$userUrl	URL-Username of an user
+		 */
+		public function user($userUrl)
+		{
+			// Get userroles
+			$roles = $this->Userroles->getUserrolesForUserByUrl($userUrl);
+			
+			
+			// Pass data to view
+			$this->set('roles', $roles);
+		}
+		
+		
+	}
+
+?>

controllers/UsersController.inc

@@ -0,0 +1,316 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the Agent to list registered users and their data.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class UsersController extends \hhu\z\controllers\IntermediateController
+	{
+		/**
+		 * User permissions
+		 * 
+		 * @var array
+		 */
+		public $permissions = array(
+			'index' => array('admin', 'moderator'),
+			'user' => array('admin', 'moderator', 'user'),
+			'create' => array('admin', 'moderator'),
+			'edit' => array('admin', 'moderator'),
+			'delete' => array('admin')
+		);
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('users', 'characters');
+		/**
+		 * Required components
+		 * 
+		 * @var array
+		 */
+		public $components = array('validation');
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 */
+		public function index()
+		{
+			// Get registered users
+			$users = $this->Users->getUsers();
+			
+			
+			// Pass data to view
+			$this->set('users', $users);
+		}
+		
+		
+		/**
+		 * Action: user.
+		 * 
+		 * Show a user and its details.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @throws	AccessDeniedException
+		 * @param	string	$userUrl	URL-Username of an user
+		 */
+		public function user($userUrl)
+		{
+			// Get user
+			$user = $this->Users->getUserByUrl($userUrl);
+			
+			// Check permissions
+			if(count(array_intersect(array('admin','moderator'), \hhu\z\controllers\IntermediateController::$user['roles'])) == 0 && $user['id'] != IntermediateController::$user['id']) {
+				throw new \nre\exceptions\AccessDeniedException();
+			}
+			
+			// Get Characters
+			$characters = $this->Characters->getCharactersForUser($user['id']);
+			
+			// Additional Character information
+			foreach($characters as &$character)
+			{
+				// Level
+				$character['xplevel'] = $this->Characters->getXPLevelOfCharacters($character['id']);
+			}
+			
+			
+			// Pass data to view
+			$this->set('user', $user);
+			$this->set('characters', $characters);
+		}
+		
+		
+		/**
+		 * Action: login.
+		 * 
+		 * Log in a user.
+		 */
+		public function login()
+		{
+			$username = '';
+			
+			// Log the user in
+			if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('login')))
+			{
+				$username = $this->request->getPostParam('username');
+				$userId = $this->Users->login(
+					$username,
+					$this->request->getPostParam('password')
+				);
+			
+				if(!is_null($userId))
+				{
+					$this->Auth->setUserId($userId);
+					$user = $this->Users->getUserById($userId);
+			
+					$this->redirect($this->linker->link(array($user['url']), 1));
+				}
+			}
+			
+			
+			// Pass data to view
+			$this->set('username', $username);
+			$this->set('failed', ($this->request->getRequestMethod() == 'POST'));
+		}
+		
+		
+		/**
+		 * Action: register.
+		 * 
+		 * Register a new user.
+		 */
+		public function register()
+		{
+			$username = '';
+			$prename = '';
+			$surname = '';
+			$email = '';
+			
+			$fields = array('username', 'prename', 'surname', 'email', 'password');
+			$validation = array();
+			
+			// Register a new user
+			if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('register')))
+			{
+				// Get params and validate them
+				$validation = $this->Validation->validateParams($this->request->getPostParams(), $fields);
+				$username = $this->request->getPostParam('username');
+				$prename = $this->request->getPostParam('prename');
+				$surname = $this->request->getPostParam('surname');
+				$email = $this->request->getPostParam('email');
+				
+				// Register
+				if($validation === true)
+				{
+					$userId = $this->Users->createUser(
+						$username,
+						$prename,
+						$surname,
+						$email,
+						$this->request->getPostParam('password')
+					);
+			
+					// Login
+					$this->Auth->setUserId($userId);
+					$user = $this->Users->getUserById($userId);
+			
+					// Redirect to user page
+					$this->redirect($this->linker->link(array($user['url']), 1));
+				}
+			}
+			
+			// Get validation settings
+			$validationSettings = array();
+			foreach($fields as &$field) {
+				$validationSettings[$field] = \nre\configs\AppConfig::$validation[$field];
+			}
+			
+			
+			// Pass data to view
+			$this->set('username', $username);
+			$this->set('prename', $prename);
+			$this->set('surname', $surname);
+			$this->set('email', $email);
+			$this->set('validation', $validation);
+			$this->set('validationSettings', $validationSettings);
+		}
+		
+		
+		/**
+		 * Action: logout.
+		 *
+		 * Log out a user.
+		 */
+		public function logout()
+		{
+			// Unset the currently logged in user
+			$this->Auth->setUserId(null);
+			
+			// Redirect
+			$this->redirect($this->linker->link(array()));
+		}
+		
+		
+		/**
+		 * Action: create.
+		 * 
+		 * Create a new user.
+		 */
+		public function create()
+		{
+			if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('create')))
+			{
+				// Create new user
+				$userId = $this->Users->createUser(
+					$this->request->getPostParam('username'),
+					$this->request->getPostParam('prename'),
+					$this->request->getPostParam('surname'),
+					$this->request->getPostParam('email'),
+					$this->request->getPostParam('password')
+				);
+				
+				// Redirect to user
+				$user = $this->Users->getUserById($userId);
+				$this->redirect($this->linker->link(array($user['url']), 1));
+			}
+		}
+		
+		
+		/**
+		 * Action: edit.
+		 * 
+		 * Edit a user.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$userUrl	URL-Username of an user
+		 */
+		public function edit($userUrl)
+		{
+			// User
+			$user = $this->Users->getUserByUrl($userUrl);
+			
+			// Check request method
+			if($this->request->getRequestMethod() == 'POST')
+			{
+				// Save changes
+				if(!is_null($this->request->getPostParam('save')))
+				{
+					// Edit user
+					$this->Users->editUser(
+						$user['id'],
+						$this->request->getPostParam('username'),
+						$this->request->getPostParam('prename'),
+						$this->request->getPostParam('surname'),
+						$this->request->getPostParam('email'),
+						$this->request->getPostParam('password')
+					);
+					$user = $this->Users->getUserById($user['id']);
+				}
+				
+				
+				// Redirect to entry
+				$this->redirect($this->linker->link(array($user['url']), 1));
+			}
+			
+			
+			// Pass data to view
+			$this->set('user', $user);
+		}
+		
+		
+		/**
+		 * Action: delete.
+		 * 
+		 * Delete a user.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	string	$userUrl	URL-Username of an user
+		 */
+		public function delete($userUrl)
+		{
+			// User
+			$user = $this->Users->getUserByUrl($userUrl);
+			
+			// Check request method
+			if($this->request->getRequestMethod() == 'POST')
+			{
+				// Check confirmation
+				if(!is_null($this->request->getPostParam('delete')))
+				{
+					// Delete user
+					$this->Users->deleteUser($user['id']);
+					
+					// Redirect to overview
+					$this->redirect($this->linker->link(null, 1));
+				}
+				
+				// Redirect to entry
+				$this->redirect($this->linker->link(array('user', $user['url']), 1));
+			}
+			
+			
+			// Show confirmation
+			$this->set('user', $user);
+		}
+		
+		
+	}
+
+?>

controllers/components/AchievementComponent.inc

@@ -0,0 +1,41 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers\components;
+	
+	
+	/**
+	 * Component to handle achievements.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class AchievementComponent extends \nre\core\Component
+	{
+		/**
+		 * Required models
+		 * 
+		 * @var array
+		 */
+		public $models = array('achievements');
+		
+		
+		
+		
+		/**
+		 * Construct a new Achievements-component.
+		 */
+		public function __construct()
+		{
+		}
+	
+	}
+
+?>

controllers/components/AuthComponent.inc

@@ -0,0 +1,79 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers\components;
+	
+	
+	/**
+	 * Component to handle authentication and authorization.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class AuthComponent extends \nre\core\Component
+	{
+		/**
+		 * Key to save a user-ID as
+		 * 
+		 * @var string
+		 */
+		const KEY_USER_ID = 'user_id';
+		
+		
+		
+		
+		/**
+		 * Construct a new Auth-component.
+		 */
+		public function __construct()
+		{
+			// Start session
+			if(session_id() === '') {
+				session_start();
+			}
+		}
+		
+		
+		
+		
+		/**
+		 * Set the ID of the user that is currently logged in.
+		 * 
+		 * @param	int	$userId	ID of the currently logged in user
+		 */
+		public function setUserId($userId)
+		{
+			if(is_null($userId)) {
+				unset($_SESSION[self::KEY_USER_ID]);
+			}
+			else {
+				$_SESSION[self::KEY_USER_ID] = $userId;
+			}
+		}
+		
+		
+		/**
+		 * Get the ID of the user that is currently logged in.
+		 * 
+		 * @return	int	ID of the currently logged in user
+		 */
+		public function getUserId()
+		{
+			if(array_key_exists(self::KEY_USER_ID, $_SESSION)) {
+				return $_SESSION[self::KEY_USER_ID];
+			}
+		
+			
+			return null;
+		}
+	
+	}
+
+?>

controllers/components/ValidationComponent.inc

@@ -0,0 +1,113 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers\components;
+	
+	
+	/**
+	 * Component to validate user input.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class ValidationComponent extends \nre\core\Component
+	{
+		/**
+		 * Validation settings
+		 * 
+		 * @var array
+		 */
+		private $config;
+		
+		
+		
+		
+		/**
+		 * Construct a new Validation-component.
+		 */
+		public function __construct()
+		{
+			// Get validation settings from configuration
+			$this->config = \nre\configs\AppConfig::$validation;
+		}
+		
+		
+		
+		
+		/**
+		 * Validate an user input.
+		 * 
+		 * @param	mixed	$input	User input to validate
+		 * @param	string	$name	Name of the field to validate against
+		 * @return	mixed		True or the settings the validation fails on
+		 */
+		public function validate($input, $name)
+		{
+			$settings = $this->config[$name];
+			$validation = array();
+			
+			// Min string length
+			if(array_key_exists('minlength', $settings) && strlen($input) < $settings['minlength']) {
+				$validation['minlength'] = $settings['minlength'];
+			}
+			// Max string length
+			if(array_key_exists('maxlength', $settings) && strlen($input) > $settings['maxlength']) {
+				$validation['maxlength'] = $settings['maxlength'];
+			}
+			
+			// Regex
+			if(array_key_exists('regex', $settings) && !preg_match($settings['regex'], $input)) {
+				$validation['regex'] = $settings['regex'];
+			}
+			
+			
+			// Return true or the failed fields
+			if(empty($validation)) {
+				return true;
+			}
+			return $validation;
+		}
+		
+		
+		/**
+		 * Validate user input parameters.
+		 * 
+		 * @param	array	$params		User input parameters
+		 * @param	array	$indices	Names of parameters to validate and to validate against
+		 * @return	mixed			True or the parameters with settings the validation failed on
+		 */
+		public function validateParams($params, $indices)
+		{
+			$validation = array();
+			foreach($indices as $index)
+			{
+				if(!array_key_exists($index, $params)) {
+					throw new \nre\exceptions\ParamsNotValidException($index);
+				}
+				
+				// Check parameter
+				$param = $params[$index];
+				$check = $this->validate($param, $index);
+				if($check !== true) {
+					$validation[$index] = $check;
+				}
+			}
+			
+			
+			// Return true or the failed parameters with failed settings
+			if(empty($validation)) {
+				return true;
+			}
+			return $validation;
+		}
+		
+	}
+
+?>