<?php 

// h-source, a web software to build a community of people that want to share their hardware information.
// Copyright (C) 2010  Antonio Gallo (h-source-copyright.txt)
//
// This file is part of h-source
//
// h-source is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// h-source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with h-source.  If not, see <http://www.gnu.org/licenses/>.

if (!defined('EG')) die('Direct access not allowed!');

class HistoryController extends BaseController
{

	public static $typeTable = array(
		'message'	=>	'message',
		'talk'		=>	'talk',
		'user'		=>	'user',
		'issue'		=>	'issue',
		'wiki_talk'	=>	'wiki talk',
		'page'		=>	'wiki page',
		'page_del'	=>	'wiki page',
	);

	public static $actionTable = array(
		'hide'		=>	'hide',
		'show'		=>	'show',
		'block'		=>	'block',
		'unblock'	=>	'unblock',
		'open'		=>	'open',
		'close'		=>	'close',
		'pageblock'	=>	'block',
		'pageunblock'	=>	'unblock',
		'pagehide'	=>	'hide',
		'pageshow'	=>	'show',
	);

	protected $strings = array(
		
		'hide'	=>	array(
			
			'action' 		=>	'hide',
			'check_status'	=>	'no',
			'to_status'		=>	'yes',
			'exec_string'	=>	'The message has been hidden. Just reload the page',
			'error_string'	=>	'Error: the message is already hidden',
		
		),
		
		'show'	=>	array(
		
			'action'		=>	'show',
			'check_status'	=>	'yes',
			'to_status'		=>	'no',
			'exec_string'	=>	'The message is no more hidden. Just reload the page',
			'error_string'	=>	'Error: the message is already visible',
			
		),
		
		'block'	=>	array(
			
			'action' 		=>	'block',
			'check_status'	=>	'no',
			'to_status'		=>	'yes',
			'exec_string'	=>	'The user has been blocked. Just reload the page',
			'error_string'	=>	'Error: the user is already blocked',
		
		),
		
		'unblock'	=>	array(
		
			'action'		=>	'unblock',
			'check_status'	=>	'yes',
			'to_status'		=>	'no',
			'exec_string'	=>	'The user is no more blocked. Just reload the page',
			'error_string'	=>	'Error: the user is already un-blocked',
			
		),
		
		'open'	=>	array(
			
			'action' 		=>	'open',
			'check_status'	=>	'closed',
			'to_status'		=>	'opened',
			'exec_string'	=>	'The issue has been opened. Just reload the page',
			'error_string'	=>	'Error: the issue is already opened',
		
		),
		
		'close'	=>	array(
			
			'action' 		=>	'close',
			'check_status'	=>	'opened',
			'to_status'		=>	'closed',
			'exec_string'	=>	'The issue has been closed. Just reload the page',
			'error_string'	=>	'Error: the issue is already closed',
		
		),

		'pageblock'	=>	array(

			'action' 		=>	'pageblock',
			'check_status'	=>	'no',
			'to_status'		=>	'yes',
			'exec_string'	=>	'The wiki page has been blocked. Just reload the page',
			'error_string'	=>	'Error: the wiki page is already blocked',

		),

		'pageunblock'	=>	array(

			'action'		=>	'pageunblock',
			'check_status'	=>	'yes',
			'to_status'		=>	'no',
			'exec_string'	=>	'The wiki page is no more blocked. Just reload the page',
			'error_string'	=>	'Error: the wiki page is already un-blocked',

		),

		'pagehide'	=>	array(

			'action' 		=>	'pagehide',
			'check_status'	=>	'no',
			'to_status'		=>	'yes',
			'exec_string'	=>	'The wiki page has been hidden. Just reload the page',
			'error_string'	=>	'Error: the wiki page is already hidden',

		),

		'pageshow'	=>	array(

			'action'		=>	'pageshow',
			'check_status'	=>	'yes',
			'to_status'		=>	'no',
			'exec_string'	=>	'The wiki page is no more hidden. Just reload the page',
			'error_string'	=>	'Error: the wiki page is already visible',

		),
	);
	
	protected $types = array(
	
		'message'	=>	array(
		
			'clean_type'	=>	'message',
			'model_name'	=>	'MessagesModel',
			'id_name'		=>	'id_mes',
			'field_name'	=>	'deleted',
			'actions'		=>	array('hide','show'),
			'group'			=>	'moderator',
		
		),
	
		'talk'	=>	array(
		
			'clean_type'	=>	'talk',
			'model_name'	=>	'TalkModel',
			'id_name'		=>	'id_talk',
			'field_name'	=>	'deleted',
			'actions'		=>	array('hide','show'),
			'group'			=>	'moderator',
		
		),
		
		'user'	=>	array(
		
			'clean_type'	=>	'user',
			'model_name'	=>	'UsersModel',
			'id_name'		=>	'id_user',
			'field_name'	=>	'blocked',
			'actions'		=>	array('block','unblock'),
			'group'			=>	'admin',
		
		),
		
		'issue'	=>	array(
		
			'clean_type'	=>	'issue',
			'model_name'	=>	'IssuesModel',
			'id_name'		=>	'id_issue',
			'field_name'	=>	'status',
			'actions'		=>	array('open','close'),
			'group'			=>	'moderator',
		
		),

		'wiki_talk'	=>	array(

			'clean_type'	=>	'wiki_talk',
			'model_name'	=>	'WikitalkModel',
			'id_name'		=>	'id_talk',
			'field_name'	=>	'deleted',
			'actions'		=>	array('hide','show'),
			'group'			=>	'moderator',

		),

		//page blocked or not
		'page'	=>	array(

			'clean_type'	=>	'page',
			'model_name'	=>	'WikiModel',
			'id_name'		=>	'id_wiki',
			'field_name'	=>	'blocked',
			'actions'		=>	array('pageblock','pageunblock'),
			'group'			=>	'admin',

		),

		//page deleted or not
		'page_del'	=>	array(

			'clean_type'	=>	'page_del',
			'model_name'	=>	'WikiModel',
			'id_name'		=>	'id_wiki',
			'field_name'	=>	'-deleted',
			'actions'		=>	array('pagehide','pageshow'),
			'group'			=>	'admin',

		),
	);
		
	public function __construct($model, $controller, $queryString)
	{
		parent::__construct($model, $controller, $queryString);
		
		$this->model('HistoryModel');
		$this->model('UsersModel');

	}
	
	public function hide($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'hide');
	}
	
	public function show($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'show');
	}
	
	public function block($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'block');
	}
	
	public function unblock($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'unblock');
	}
	
	public function open($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'open');
	}
	
	public function close($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'close');
	}

	public function pageblock($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'pageblock');
	}

	public function pageunblock($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'pageunblock');
	}

	public function pagehide($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'pagehide');
	}

	public function pageshow($lang = 'en', $token = '')
	{
		$this->generic($lang, $token, 'pageshow');
	}
	
	protected function generic($lang = 'en', $token = '', $action = 'hide')
	{
		header('Content-type: text/html; charset=UTF-8');
		
		$this->shift(2);
		
		$this->clean();
		
		$clean['token'] = sanitizeAlphanum($token);
		
		if ($this->s['registered']->status['status'] === 'logged')
		{
			if (!$this->s['registered']->checkCsrf($clean['token'])) die("wrong token");
			
			if ($this->m['UsersModel']->isBlocked($this->s['registered']->status['id_user'])) die("your account has been blocked");
			
			$clean['id_user'] = (int)$this->s['registered']->status['id_user'];
			$clean['id'] = $this->request->post('id',0,'forceInt');
			$type = $this->request->post('type','','sanitizeAll');
			$message = $this->request->post('message','');
			
			$modelName = 'error';
			
			if (array_key_exists($type,$this->types))
			{
				if (in_array($action,$this->types[$type]['actions']))
				{
					$clean['group'] = $this->types[$type]['group'];
					if (in_array($clean['group'],$this->s['registered']->status['groups']))
					{
						$modelName = $this->types[$type]['model_name'];
						$clean['type'] = $this->types[$type]['clean_type'];
						$clean['id_name'] = $this->types[$type]['id_name'];
						$clean['field_name'] = $this->types[$type]['field_name'];
						
						//load the right model
						$this->model($modelName);
						$model = $this->m[$modelName];

						$count = $model->select()->where(array($clean['id_name'] => $clean['id'],$clean['field_name'] => $this->strings[$action]['check_status']))->rowNumber();

						if ($count > 0)
						{
							if (eg_strlen($message) < 500)
							{
								//drop the - char if present
								$clean['field_name'] = str_replace('-',null,$clean['field_name']);
								
								//hide the message
								$model->values = array($clean['field_name'] => $this->strings[$action]['to_status']);
								$model->pUpdate($clean['id']);
								
								if ($model->queryResult)
								{
									$this->m['HistoryModel']->setFields('id:forceInt,type,message','sanitizeAll');
									$this->m['HistoryModel']->values['created_by'] = $clean['id_user'];
									$this->m['HistoryModel']->values['gr'] = $clean['group'];
									$this->m['HistoryModel']->values['action'] = $this->strings[$action]['action'];
									$this->m['HistoryModel']->updateTable('insert');
									
									echo $this->strings[$action]['exec_string'];
								}
								else
								{
									echo "error: one error occurred, please retry later";
								}
							}
							else
							{
								echo "error: the message has too many characters or wrong type";
							}
						}
						else
						{
							echo $this->strings[$action]['error_string'];
						}
					}
				}
			}
		}
	}

	public function viewall($lang = 'en', $type = 'message', $id = 0)
	{
		header('Content-type: text/html; charset=UTF-8');
		
		$this->shift(3);
		
		$this->clean();
		
		if ($this->s['registered']->status['status'] === 'logged')
		{
			if (!$this->m['UsersModel']->isBlocked($this->s['registered']->status['id_user']))
			{
				$clean['id'] = (int)$id;
				if (array_key_exists($type,$this->types))
				{
					$clean['group'] = $this->types[$type]['group'];
					if (in_array($clean['group'],$this->s['registered']->status['groups']))
					{
						$clean['type'] = $this->types[$type]['clean_type'];
						
						switch ($clean['type']) {
							case 'user':
								$data['object'] = 'user';
								$data['box_class'] = 'details_of_actions_inner_user';
								break;
							case 'page':
								$data['object'] = 'wiki page';
								$data['box_class'] = 'details_of_actions_inner_user';
								break;
							case 'page_del':
								$data['object'] = 'wiki page';
								$data['box_class'] = 'details_of_actions_inner_user';
								break;
							case 'issue':
								$data['object'] = 'issue';
								$data['box_class'] = 'details_of_actions_inner_user';
								break;
							default:
								$data['object'] = 'message';
								$data['box_class'] = 'details_of_actions_inner';
								break;
						}
						
						$data['res'] = $this->m['HistoryModel']->select()->where(array('id'=>$clean['id'],'type'=>$clean['type'],'gr'=>$clean['group']))->send();
						
						$data['md_action'] = array(
							'hide'			=>	'hidden',
							'show'			=>	'restored',
							'block'			=>	'blocked',
							'unblock'		=>	'un-blocked',
							'open'			=>	'opened again',
							'close'			=>	'closed',
							'pageblock'		=>	'blocked',
							'pageunblock'	=>	'un-blocked',
							'pagehide'		=>	'hidden',
							'pageshow'		=>	'restored',
						);
											
						$this->append($data);
						$this->load('viewall');
					}
				}
			}
		}
	}

}