use client?s mimetype as fallback for uploads

controllers/components/AchievementComponent.inc

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+<?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/NotificationComponent.inc

@@ -0,0 +1,108 @@
+<?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 user notifications
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class NotificationComponent extends \nre\core\Component
+	{
+		/**
+		 * Type: Achievement
+		 * 
+		 * @var string
+		 */
+		const TYPE_ACHIEVEMENT = 'achievement';
+		/**
+		 * Type: Level-up
+		 * 
+		 * @var string
+		 */
+		const TYPE_LEVELUP = 'levelup';
+		/**
+		 * Key for Session-Array to store notifications in
+		 * 
+		 * @var string
+		 */
+		const SESSION_KEY = 'notifications';
+		
+		
+		
+		
+		/**
+		 * Construct a new Notification-component.
+		 */
+		public function __construct()
+		{
+			// Start session
+			if(session_id() === '') {
+				session_start();
+			}
+			
+			// Prepare array
+			if(!array_key_exists(self::SESSION_KEY, $_SESSION)) {
+				$_SESSION[self::SESSION_KEY] = array();
+			}
+		}
+		
+		
+		
+		
+		/**
+		 * Add a notification.
+		 * 
+		 * @param	string	$type		Type of notification
+		 * @param	string	$message	Message to display
+		 * @param	string	$link		Optional URL to link to
+		 * @param	string	$image		Optional URL of image to display
+		 */
+		public function addNotification($type, $message, $link=null, $image=null)
+		{
+			$_SESSION[self::SESSION_KEY][] = array(
+				'type'		=> $type,
+				'message'	=> $message,
+				'link'		=> $link,
+				'image'		=> $image
+			);
+		}
+		
+		
+		/**
+		 * Get all registered notifiactions and clear them.
+		 * 
+		 * @return	array	List of existing notifications
+		 */
+		public function getNotifications()
+		{
+			$notifications = $_SESSION[self::SESSION_KEY];
+			$this->clearNotifications();
+			
+			
+			return $notifications;
+		}
+		
+		
+		/**
+		 * Clear all notifications currently registered
+		 */
+		public function clearNotifications()
+		{
+			unset($_SESSION[self::SESSION_KEY]);
+			$_SESSION[self::SESSION_KEY] = array();
+		}
+	
+	}
+
+?>

controllers/components/ValidationComponent.inc

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+<?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	array	$settings	Validation setting
+		 * @return	mixed			True or the settings the validation fails on
+		 */
+		public function validate($input, $settings)
+		{
+			$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 an user input parameter.
+		 * 
+		 * @param	array	$params	User input parameters
+		 * @param	array	$index	Names of parameter to validate and to validate against
+		 * @return	mixed		True or the parameter with settings the validation failed on
+		 */
+		public function validateParam($params, $index)
+		{
+			// Check parameter
+			if(!array_key_exists($index, $params)) {
+				throw new \nre\exceptions\ParamsNotValidException($index);
+			}
+			// Check settings
+			if(!array_key_exists($index, $this->config)) {
+				return true;
+			}
+			
+			
+			// Validate parameter and return result
+			return $this->validate($params[$index], $this->config[$index]);
+		}
+		
+		
+		/**
+		 * 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)
+		{
+			// Validate parameters
+			$validation = true;
+			foreach($indices as $index) {
+				$validation = $this->addValidationResults($validation, $index, $this->validateParam($params, $index));
+			}
+			
+			
+			// Return validation results
+			return $validation;
+		}
+		
+		
+		/**
+		 * Add a custom determined validation result to a validation
+		 * array.
+		 * 
+		 * @param	mixed	$validation	Validation array to add result to
+		 * @param	string	$index		Name of parameter of the custom validation result
+		 * @param	string	$setting	Name of setting of the custom validation result
+		 * @param	mixed	$result		Validation result
+		 * @return	mixed			The altered validation array
+		 */
+		public function addValidationResult($validation, $index, $setting, $result)
+		{
+			// Create validation array
+			if(!is_array($validation)) {
+				$validation = array();
+			}
+			
+			// Add validation results
+			if(!array_key_exists($index, $validation)) {
+				$validation[$index] = array();
+			}
+			$validation[$index][$setting] = $result;
+			
+			
+			// Return new validation result
+			return $validation;
+		}
+		
+		
+		/**
+		 * Add custom determined validation results to a validation
+		 * arary.
+		 * 
+		 * @param	mixed	$validation	Validation array to add result to
+		 * @param	string	$index		Name of parameter of the custom validation result
+		 * @param	mixed	$result		Validation result
+		 * @return	mixed			The altered validation array
+		 */
+		public function addValidationResults($validation, $index, $results)
+		{
+			// Create validation array
+			if(!is_array($validation)) {
+				$validation = array();
+			}
+			
+			// Add validation results
+			if($results !== true) {
+				$validation[$index] = $results;
+			}
+			
+			
+			// Return new validation result
+			if(empty($validation)) {
+				return true;
+			}
+			return $validation;
+		}
+		
+	}
+
+?>