<?php
/** 
* @package		uForum2
* @file		inc/controllers/MainController.class.php
* @copyright	2007-2015 (c) PioDer <piotrek@pioder.pl>
* @link    		http://www.pioder.pl/
* @license		see LICENSE.txt
**/

require ('./inc/controller.class.php');

class MainController extends Controller
{

	public function loadDefault()
	{
		$this->main();
	}
	
	private function loadDependencies() // zależności (sesje itp)
	{
		$this->loadModel('SessionModel'); //aktywacja sesji
		$this->loadModel('ConfigModel'); //konfiguracja ogólna skryptu
		$this->loadView('MainView');
		$this->getView('MainView')->putExistingModel('SessionModel', $this->getModel('SessionModel'));
		$this->getView('MainView')->putExistingModel('ConfigModel', $this->getModel('ConfigModel'));
		
		//przekierowanie!
		if ($_GET['mode'] == 'editprofile' || $_GET['mode'] == 'register' || $_GET['mode'] == 'login')
		{
			if ($_SERVER['REQUEST_SCHEME'] != 'https' && USE_HTTPS)
				$this->forward(buildURL($_SERVER['REQUEST_URI'], true));
		}
		else
			if ($_SERVER['REQUEST_SCHEME'] != 'http')
				$this->forward(buildURL($_SERVER['REQUEST_URI']));
	} 
		
	public function main()
	{
		$this->loadDependencies();
		$this->loadModel('UsersModel');
		$this->getView('MainView')->main();
	}
	
	public function viewforum()
	{
		$this->loadDependencies();
		
		$this->loadModel('ForumsModel');
		
		$_GET['id'] = (isset($_GET['id'])) ? trim(strip_tags($this->db->real_escape_string($_GET['id']))) : 0;
		
		$f = $this->getModel('ForumsModel')->getForum($_GET['id']);
		
		if ($f == null)
			$this->getView('MainView')->forum_message('Forum does not exist!', buildURL('index.php'));
		else
		{
			$this->getView('MainView')->putExistingModel('ForumsModel', $this->getModel('ForumsModel'));
			$this->getView('MainView')->viewforum();
		}
	}
	
	public function userlist()
	{
		$this->loadDependencies();
		
		if (isset($_GET['rank']))
		{
			switch ($_GET['rank'])
			{
				case 'admin':
					$_GET['rank'] = RANK_ADMIN;
					break;
				case 'mod':
					$_GET['rank'] = RANK_MOD;
					break;
				case 'user':
					$_GET['rank'] = RANK_USER;
					break;
				default:
					$_GET['rank'] = '';
					break;
			}
		}
		else
			$_GET['rank'] = '';	
				
		$_POST['sort_type'] = (isset($_POST['sort_type'])) ? $this->db->real_escape_string($_POST['sort_type']) : 'regdate';
		$allowed_sorting = array('regdate', 'lastvisit', 'nick', 'post_count');
		if (!in_array($_POST['sort_type'], $allowed_sorting))
			$_POST['sort_type'] = '';
		$_POST['sort_desc'] = (isset($_POST['sort_desc'])) ? 'DESC' : 'ASC';
		
		$this->getView('MainView')->userlist();
		
	}
	
	public function viewtopic()
	{
		$this->loadDependencies();
		
		$this->loadModel('PostsModel');
		
		$_GET['id'] = (isset($_GET['id'])) ? trim(strip_tags($this->db->real_escape_string($_GET['id']))) : 0;
		
		$t = $this->getModel('PostsModel')->getTopic($_GET['id']);
		
		if ($t == null)
			$this->getView('MainView')->forum_message('Topic does not exist!', buildURL('index.php')); 
		else
		{
			$this->getView('MainView')->putExistingModel('PostsModel', $this->getModel('PostsModel'));
			$this->getView('MainView')->viewtopic();
		}
	}
	
	public function newtopic()
	{
		$this->posting(POSTING_NEWTOPIC);
	}
	
	public function reply()
	{
		$this->posting(POSTING_REPLY);
	}
	
	public function editpost()
	{
		$this->posting(POSTING_EDIT);
	}
	
	public function quote()
	{
		$this->posting(POSTING_QUOTE);
	}
	
	public function moderate()
	{
		$this->loadDependencies();
		$this->loadModel('PostsModel');
		$this->loadModel('ForumsModel');
		
		$_GET['id'] = (isset($_GET['id'])) ? trim(strip_tags($this->db->real_escape_string($_GET['id']))) : 0;
		$_GET['submode'] = (isset($_GET['submode'])) ? trim(strip_tags($this->db->real_escape_string($_GET['submode']))) : 0;
		
		if (!$this->getModel('SessionModel')->isLogged())
		{
			$this->getView('MainView')->forum_message('You are not logged.', buildURL('index.php?mode=login', true));
			$lockv = true;
		}
		
		if ($this->getModel('SessionModel')->getRank() == RANK_USER && !isset($lockv))
		{
			$this->getView('MainView')->forum_message('Only mods have access to this menu', buildURL('index.php'));
			$lockv = true;
		}
		
		//sprawdź czy wątek/post istnieje
		
		if (!isset($lockv))
		switch($_GET['submode'])
		{
			case 'deletetopic':
			case 'locktopic':
			case 'sticktopic':
			case 'movetopic':
				$t = $this->getModel('PostsModel')->getTopic($_GET['id']);
				
				if ($t == null)
				{
					$this->getView('MainView')->forum_message('Topic does not exist!', buildURL('index.php'));
					$lockv = true;
				}	
				break;
				
			case 'deletepost':
				$p = $this->getModel('PostsModel')->getPost($_GET['id']);
				if ($p == null)
				{
					$this->getView('MainView')->forum_message('Post does not exist!', buildURL('index.php'));
					$lockv = true;
				}
				else
				{
					$t = $this->getModel('PostsModel')->getTopic($p['topic_id']);
					
					if ($t['post_count'] == 1)
					{
						$this->getView('MainView')->forum_message('If topic has only one post, use <span style="font-weight: bold">delete topic</span> option.', buildURL('index.php?mode=viewtopic&amp;id='.$p['topic_id']), 3);
						$lockv = true;
					}
				}
				
				break;
			
			default:
				$this->getView('MainView')->forum_message('Invalid mode', buildURL('index.php'));
				$lockv = true;
				break;
		}
		
		//wysyłanie formularza
		if (isset($_POST['confirmed']) && !isset($lockv))
		{
			if (!isset($_POST['rejected']))
			{
				switch($_GET['submode'])
				{
					case 'deletepost':
						$this->getModel('PostsModel')->deletePost($_GET['id']);
						$this->getView('MainView')->forum_message('Post deleted. Redirecting...', buildURL('index.php?mode=viewtopic&amp;id='.$p['topic_id']));
						$lockv = true;
						break;
						
					case 'deletetopic':
						$this->getModel('PostsModel')->deleteTopic($_GET['id']);
						$this->getView('MainView')->forum_message('Topic deleted. Redirecting...', buildURL('index.php?mode=viewforum&amp;id='.$t['forum_id']));
						$lockv = true;
						break;
						
					case 'locktopic':
						if ($t['topic_locked'] == false)
						{
							$this->getModel('PostsModel')->lockTopic($_GET['id']);
							$this->getView('MainView')->forum_message('Topic locked. Redirecting...', buildURL('index.php?mode=viewtopic&amp;id='.$_GET['id']));
						}
						else
						{
							$this->getModel('PostsModel')->lockTopic($_GET['id'], false);
							$this->getView('MainView')->forum_message('Topic unlocked. Redirecting...', buildURL('index.php?mode=viewtopic&amp;id='.$_GET['id']));
						}
						$lockv = true;
						break;
					case 'sticktopic':
						if ($t['topic_sticky'] == false)
						{
							$this->getModel('PostsModel')->stickTopic($_GET['id']);
							$this->getView('MainView')->forum_message('Topic sticked. Redirecting...', buildURL('index.php?mode=viewtopic&amp;id='.$_GET['id']));
						}
						else
						{
							$this->getModel('PostsModel')->stickTopic($_GET['id'], false);
							$this->getView('MainView')->forum_message('Topic unsticked. Redirecting...', buildURL('index.php?mode=viewtopic&amp;id='.$_GET['id']));
						}
						$lockv = true;
						break;
					case 'movetopic':
						if ($this->getModel('ForumsModel')->getForum($_POST['forum_id']) == null)
							$this->getView('MainView')->forum_message('Forum does not exist!', buildURL('index.php?mode=viewtopic&amp;id='.$_GET['id']));
						else
						{
							$this->getModel('PostsModel')->moveTopic($_GET['id'], $_POST['forum_id']);
							$this->getView('MainView')->forum_message('Topic moved. Redirecting...', buildURL('index.php?mode=viewtopic&amp;id='.$_GET['id']));
						}
						$lockv = true;
						break;
						
				}
			}
			else
			{
				switch ($_GET['submode'])
				{
					case 'deletetopic':
					case 'locktopic':
					case 'sticktopic':
					case 'movetopic':
						$this->forward(buildURL('index.php?mode=viewtopic&id='.$_GET['id']));
						break;
					case 'deletepost':
						$this->forward(buildURL('index.php?mode=viewtopic&id='.$p['topic_id']));
				}
			}
		}
		
		if (!isset($lockv))
		switch($_GET['submode'])
		{
			case 'deletepost':
				$this->getView('MainView')->confirm_action('Do you really want delete post <span style="font-weight: bold">#'.$_GET['id'].'</span>?');
				break;
			case 'deletetopic':
				$this->getView('MainView')->confirm_action('Do you really want delete topic <span style="font-weight: bold">#'.$_GET['id'].'</span> with all posts? This operation cannot undone.');
				break;
				
			case 'locktopic':
				if ($t['topic_locked'] == false)
					$this->getView('MainView')->confirm_action('Do you want lock topic <span style="font-weight: bold">#'.$_GET['id'].'</span>?');
				else
					$this->getView('MainView')->confirm_action('Do you want unlock topic <span style="font-weight: bold">#'.$_GET['id'].'</span>?');
				break;
			case 'sticktopic':
				if ($t['topic_sticky'] == false)
					$this->getView('MainView')->confirm_action('Do you want stick topic <span style="font-weight: bold">#'.$_GET['id'].'</span>?');
				else
					$this->getView('MainView')->confirm_action('Do you want unstick topic <span style="font-weight: bold">#'.$_GET['id'].'</span>?');
				break;
			case 'movetopic':
				$this->getView('MainView')->putExistingModel('PostsModel', $this->getModel('PostsModel'));
				$this->getView('MainView')->move_topic();
				break;
		}
	}
	
	
	public function posting($type)
	{
		$this->loadDependencies();
		$msg = '';
		
		$this->loadModel('PostsModel');
		$this->loadModel('ForumsModel');
	
		$_GET['id'] = (isset($_GET['id'])) ? trim(strip_tags($this->db->real_escape_string($_GET['id']))) : 0;
		
		if (!$this->getModel('SessionModel')->isLogged())
		{
			$this->getView('MainView')->forum_message('You are not logged.', buildURL('index.php?mode=login', true));
			$lockv = true;
		}
		
		//CHECKING IF TOPIC/FORUM EXISTS AND IS NOT LOCKED
		if (!isset($lockv))
		switch($type)
		{
			case POSTING_NEWTOPIC:	//checking if forum exists and is not locked
				$f = $this->getModel('ForumsModel')->getForum($_GET['id']);
		
				if ($f == null)
				{
					$this->getView('MainView')->forum_message('Forum does not exist!', buildURL('index.php'));
					$lockv = true;
				}
				else
					if ($f['locked'] == true)
					{
						$this->getView('MainView')->forum_message('Forum is locked', buildURL('index.php?mode=viewforum&amp;id='.$_GET['id']));
						$lockv = true;
					}
				break;
		
			case POSTING_REPLY:	//checking if topic exists
			case POSTING_QUOTE:
				$t = $this->getModel('PostsModel')->getTopic($_GET['id']);
			
				if ($t == null)
				{
					$this->getView('MainView')->forum_message('Topic does not exist!', buildURL('index.php'));
					$lockv = true;
				}
				else
				{
					if ($t['forum_locked'] == true && $this->getModel('SessionModel')->getRank() < RANK_MOD)
					{
						$this->getView('MainView')->forum_message('Forum is locked', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
						$lockv = true;
					}
					
					if ($t['topic_locked'] == true && $this->getModel('SessionModel')->getRank() < RANK_MOD)
					{
						$this->getView('MainView')->forum_message('Topic is locked', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
						$lockv = true;
					}
					
					if ($type == POSTING_QUOTE)
					{
						$_GET['q'] = (isset($_GET['q'])) ? trim(strip_tags($this->db->real_escape_string($_GET['q']))) : 0;
						$qp = $this->getModel('PostsModel')->getPost($_GET['q']);
						
						if ($qp == null)
						{
							$this->getView('MainView')->forum_message('Invalid quoted post', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
							$lockv = true;
						}
						else
						{
							if ($qp['topic_id'] != $_GET['id'])
							{
								$this->getView('MainView')->forum_message('Invalid quoted post', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
								$lockv = true;
							}
						}
					}
				}
				break;
				
			case POSTING_EDIT:
				$p = $this->getModel('PostsModel')->getPost($_GET['id']);
				
				if ($p == null)
				{
					$this->getView('MainView')->forum_message('Post does not exist!', buildURL('index.php'));
					$lockv = true;
				}
				else
				{
					$t = $this->getModel('PostsModel')->getTopic($p['topic_id']);
					if ($t['forum_locked'] == true && $this->getModel('SessionModel')->getRank() < RANK_MOD)
					{
						$this->getView('MainView')->forum_message('Forum is locked', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
						$lockv = true;
					}
					if ($t['topic_locked'] == true && $this->getModel('SessionModel')->getRank() < RANK_MOD)
					{
						$this->getView('MainView')->forum_message('Topic is locked', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
						$lockv = true;
					}
					
					$first = $this->getModel('PostsModel')->getFirstPost($t['topic_id']);
					
					if ($first['post_id'] == $_GET['id'])
						$type = POSTING_EDITTOPIC;
						
					if ($p['user_id'] != $this->getModel('SessionModel')->getID() && $this->getModel('SessionModel')->getRank() < RANK_MOD)
					{
						$this->getView('MainView')->forum_message('You can edit only own posts', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
						$lockv = true;
					}	
				}
				
				break;
		}

		//przesłanie formularza --------------------------------------------------------------------------------
		if (isset($_POST['post']) && !isset($_POST['preview']) && !isset($lockv))
		{
			$_POST['post'] = trim(htmlspecialchars($this->db->real_escape_string($_POST['post'])));
			
			if ($type == POSTING_NEWTOPIC || $type == POSTING_EDITTOPIC) //walidacja tytułu tematu (add, edit)
			{
				$_POST['topic'] = trim(strip_tags($this->db->real_escape_string($_POST['topic'])));

				if (strlen($_POST['topic']) < 3)
					$msg .= 'Topic title is too short (min 3 characters)<br>';
			}
						
			if (strlen($_POST['post']) < 3)
				$msg .= 'Post content is too short (min 3 characters)<br>';
			
			if ($msg == null)
			{
				switch ($type)
				{
					case POSTING_NEWTOPIC: //akcje dodania nowego tematu
						
						$topic_id = $this->getModel('PostsModel')->addTopic($_POST['topic'], $_POST['post'], $_GET['id'], $this->getModel('SessionModel')->getID());
						if ($topic_id != null)
						{
							$this->getView('MainView')->forum_message('Topic created, Redirecting...', buildURL('index.php?mode=viewtopic&amp;id='.$topic_id));
							$lockv = true; 
						}	
						else
							$msg .= 'Something went wrong, try again.';
						break;
					case POSTING_EDITTOPIC:
					case POSTING_EDIT:
						$this->getModel('PostsModel')->changePost($_GET['id'], $_POST['post']);
						
						if ($type == POSTING_EDITTOPIC)
							$this->getModel('PostsModel')->changeTopic($t['topic_id'], $_POST['topic']);
						
						$this->getView('MainView')->forum_message('Post edited. Redirecting to topic...', buildURL('index.php?mode=viewtopic&amp;id='.$t['topic_id']));
						$lockv = true;
						break;	
					
					case POSTING_QUOTE:
					case POSTING_REPLY:
						$this->getModel('PostsModel')->addPost($_GET['id'], $this->getModel('SessionModel')->getID(), $_POST['post']);
						
						$this->getView('MainView')->forum_message('Reply saved. Redirecting to topic...', buildURL('index.php?mode=viewtopic&amp;id='.$_GET['id']));
						$lockv = true;
						break;
				}				
			}
		}
		
		if (!isset($lockv))
		{
			switch ($type)
			{
				case POSTING_NEWTOPIC:
				case POSTING_REPLY:
					$_POST['post'] = (isset($_POST['post'])) ? $_POST['post'] : '';
					break;
				case POSTING_EDITTOPIC:
					$_POST['post'] = (isset($_POST['post'])) ? $_POST['post'] : $p['content'];
					$_POST['topic'] = (isset($_POST['topic'])) ? $_POST['topic'] : $t['topic_title'];
					break;
				case POSTING_EDIT:
					$_POST['post'] = (isset($_POST['post'])) ? $_POST['post'] : $p['content'];
					break;
					
				case POSTING_QUOTE:
					$quote = ($qp['nick'] != null) ? '='.$qp['nick'] : '';
					$_POST['post'] = (isset($_POST['post'])) ? $_POST['post'] : '[quote'.$quote.']'.$qp['content'].'[/quote]';
					break;
				
			}
			if ($type == POSTING_NEWTOPIC)
				$_POST['topic'] = (isset($_POST['topic'])) ? $_POST['topic'] : ''; //tylko edycja/tworzenie tematu
			
			$this->getView('MainView')->putExistingModel('PostsModel', $this->getModel('PostsModel'));
			$this->getView('MainView')->putExistingModel('ForumsModel', $this->getModel('ForumsModel'));
			
			$this->getView('MainView')->posting_form($type, $msg);
		}
	}
	
	public function myprofile()
	{
		$this->loadDependencies();
		if (!$this->getModel('SessionModel')->isLogged())
			$this->forward('index.php');
		else
			$this->forward(buildURL('index.php?mode=viewprofile&id='.$this->getModel('SessionModel')->getID()));
	}
	
	public function viewprofile()
	{
		$this->loadDependencies();
		
		$this->loadModel('UsersModel');
		$this->getView('MainView')->putExistingModel('UsersModel', $this->getModel('UsersModel'));
		
		$_GET['id'] = (isset($_GET['id'])) ? trim(strip_tags($this->db->real_escape_string($_GET['id']))) : 0;
		
		if ($this->getModel('UsersModel')->getUserInformation($_GET['id']) == null)
			$this->getView('MainView')->forum_message('User does not exist!', buildURL('index.php')); 
		else
		{
			$this->getView('MainView')->viewprofile();
		}
	}
	
	public function editprofile()
	{
		$this->loadDependencies();
		$this->loadModel('UsersModel');
		$user_info = $this->getModel('UsersModel')->getUserInformation($this->getModel('SessionModel')->getID(), true);
		
		if (!$this->getModel('SessionModel')->isLogged())
		{
			$this->getView('MainView')->forum_message('You are not logged.', buildURL('index.php?mode=login', true));
		}
		else
		{
			$msg = '';
			if (isset($_POST['nick'], $_POST['passwd'], $_POST['passwd_confirm'], $_POST['email']))
			{
				//secure pools
				$_POST['nick'] = trim(strip_tags($this->db->real_escape_string($_POST['nick'])));
				$_POST['passwd_old'] = trim(strip_tags($_POST['passwd_old']));
				$_POST['passwd'] = trim(strip_tags($_POST['passwd']));
				$_POST['passwd_confirm'] = trim(strip_tags($_POST['passwd_confirm']));
				$_POST['email'] = trim(strip_tags($this->db->real_escape_string($_POST['email'])));
				$_POST['location'] = trim(strip_tags($this->db->real_escape_string($_POST['location'])));
				$_POST['signature'] = trim(strip_tags($this->db->real_escape_string($_POST['signature'])));
		
				if ($_POST['email'] != $user_info['email'] || $_POST['passwd'] != '')
				{
					if ($this->getModel('UsersModel')->generatePasswordHash($user_info['nick'], $_POST['passwd_old']) != $user_info['password'])
						$msg .= 'Old password is incorrect!<br>';
				}
				if ($_POST['passwd'] != '')
				{
					if (strlen($_POST['passwd']) < 8)
						$msg .= 'Password is too short (min 8 characters)<br>';	
						
					if ($_POST['passwd'] != $_POST['passwd_confirm'])
						$msg .= 'Password do not match!<br>';
				}
				
				//check if avatar is uploaded
				if ($_FILES['avatar']['tmp_name'] != null)
				{
					global $allowed_avatars;
					$image_size = @getimagesize($_FILES['avatar']['tmp_name']);

					if ($image_size == null)
						$msg .= 'Type of uploaded file are not allowed.<br>';
					else
						if (!in_array($image_size['mime'], $allowed_avatars))
							$msg .= 'Type of uploaded avatar is not supported.<br>';
						else
							if ($image_size[0] > 120 || $image_size[1] > 150)
								$msg .= 'Uploaded avatar is too big (maximum 120x150 px).<br>';
				}
				
				if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL))
					$msg .= 'Email is incorrect<br>';
				
				if ($msg == '')
				{
					if ($_FILES['avatar']['tmp_name'] != null && !isset($_POST['delete_avatar'])) //change an avatar
					{
						if ($user_info['avatar'] != '')
							unlink('./'.$user_info['avatar']);
							
						$ext = pathinfo($_FILES['avatar']['name'], PATHINFO_EXTENSION);
						$av = 'images/avatars/'.$this->getModel('SessionModel')->getID().'.'.$ext;
						move_uploaded_file($_FILES['avatar']['tmp_name'], './'.$av); 
					}
					else
						if (isset($_POST['delete_avatar']))
						{
							unlink('./'.$user_info['avatar']);
							$av = '';
						}
						else
							$av = $user_info['avatar']; //if new avatar is not set
					
					if ($_POST['passwd'] != '')
						$this->getModel('UsersModel')->changeUserPassword($this->getModel('SessionModel')->getID(), $user_info['nick'], $_POST['passwd']);
					
					$this->getModel('UsersModel')->updateUserProfile($this->getModel('SessionModel')->getID(), '', $_POST['email'], $_POST['location'], $_POST['signature'], $av);
					$this->getView('MainView')->forum_message('Your profile has changed.', buildURL('index.php?mode=viewprofile&amp;id='.$this->getModel('SessionModel')->getID()));
					$lockv = true;

				}
			}			
			
			$_POST['nick'] = (isset($_POST['nick'])) ? $_POST['nick'] : $user_info['nick'];
			$_POST['email'] = (isset($_POST['email'])) ? $_POST['email'] : $user_info['email'];
			$_POST['location'] = (isset($_POST['location'])) ? $_POST['location'] : $user_info['location'];
			$_POST['signature'] = (isset($_POST['signature'])) ? $_POST['signature'] : $user_info['signature'];
	
			$this->getView('MainView')->putExistingModel('UsersModel', $this->getModel('UsersModel'));
		
			if (!isset($lockv))
				$this->getView('MainView')->edprofile_form($msg);
		}
	}
	
	public function logout()
	{
		$this->loadDependencies();
	
		if (!$this->getModel('SessionModel')->isLogged())
			$this->forward('index.php');
			
		$this->getModel('SessionModel')->deleteSession();
		
		$this->getView('MainView')->forum_message('You are logged out.', buildURL('index.php'));
	}
	
	public function login()
	{
		$this->loadDependencies();
		$this->loadModel('BansModel');
		$this->loadModel('UsersModel');
		
		if ($this->getModel('SessionModel')->isLogged())
			$this->forward(buildURL('index.php'));
		
		$msg = '';
		if (isset($_POST['nick'], $_POST['passwd']))
		{
			//secure pools
			$_POST['nick'] = trim(strip_tags($this->db->real_escape_string($_POST['nick'])));
			$_POST['passwd'] = $this->getModel('UsersModel')->generatePasswordHash($_POST['nick'], trim(strip_tags($this->db->real_escape_string($_POST['passwd']))));
			
			$userinfo = $this->getModel('SessionModel')->tryGetUser($_POST['nick'], $_POST['passwd']);
			
			if (count($userinfo) == 0)
				$msg = 'Invalid username or password.';
				
			if ($msg == '')
			{
				$ban_info = $this->getModel('BansModel')->getUserBan($userinfo['user_id']);
				
				if ($ban_info == null)
				{
					$this->getModel('SessionModel')->registerNewSession($userinfo['user_id']);
					$this->getView('MainView')->forum_message('You are logged as: <span style="font-weight: bold">'.$userinfo['nick'].'</span>', buildURL('index.php'));
				}
				else
				{
					$reason = ($ban_info['reason'] != '') ? '<br>Reason: <span style="font-style: italic">'.$ban_info['reason'].'</span>' : '';
					$this->getView('MainView')->forum_message('You are banned!'.$reason);
				}
				$lockv = true;
			}
		}
		
		$_POST['nick'] = (isset($_POST['nick'])) ? $_POST['nick'] : '';
		if (!isset($lockv))
			$this->getView('MainView')->login_form($msg);
	}
	
	public function register()
	{
		$this->loadDependencies();
		$this->loadModel('UsersModel');
		
		if ($this->getModel('SessionModel')->isLogged())
			$this->forward('index.php');
		
		$msg = '';
		if (isset($_POST['nick'], $_POST['passwd'], $_POST['passwd_confirm'], $_POST['email']))
		{
			//secure pools
			$_POST['nick'] = trim(strip_tags($this->db->real_escape_string($_POST['nick'])));
			$_POST['passwd'] = trim(strip_tags($_POST['passwd']));
			$_POST['passwd_confirm'] = trim(strip_tags($_POST['passwd_confirm']));
			$_POST['email'] = trim(strip_tags($this->db->real_escape_string($_POST['email'])));
			
			if (strlen($_POST['nick']) < 3)
				$msg .= 'Nick is too short (min 3 characters)<br>';
				
			if (strlen($_POST['passwd']) < 8)
				$msg .= 'Password is too short (min 8 characters)<br>';
				
			if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL))
				$msg .= 'Email is incorrect<br>';
			
			if ($this->getModel('UsersModel')->nickExists($_POST['nick']) == true)
				$msg .= 'Nick is in use. Type another one.<br>';
			
			if ($_POST['passwd'] != $_POST['passwd_confirm'])
				$msg .= 'Password do not match';
				
			if ($msg == '')
			{
				$this->getModel('UsersModel')->createNewUser($_POST['nick'], $_POST['passwd'], $_POST['email']);
				$this->getView('MainView')->forum_message('Your account has created. Log in to write new posts.', buildURL('index.php'), 3);
				$lockv = true;
			}
		}
		
		$_POST['nick'] = (isset($_POST['nick'])) ? $_POST['nick'] : '';
		$_POST['email'] = (isset($_POST['email'])) ? $_POST['email'] : '';
		
		if (!isset($lockv))
			$this->getView('MainView')->register_form($msg);
	}
	
	public function checknick()
	{
		$this->loadModel('UsersModel');
		if (!isset($_GET['nick']))
			$_GET['nick'] = '';
			
		$_GET['nick'] = trim($this->db->real_escape_string(strip_tags($_GET['nick'])));
		
		if ($this->getModel('UsersModel')->nickExists($_GET['nick']) == true)
			echo 'true';
		else
			echo 'false';
	}
}

?>