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<?php
/**
* @version 2.2.3
* @package com_vitabook
* @copyright Copyright (C) 2012. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
* @author JoomVita - http://www.joomvita.com
*/
// No direct access
defined('_JEXEC') or die;
// Include dependancy of the dispatcher
jimport('joomla.event.dispatcher');
// Import model classes
jimport('joomla.application.component.model');
jimport('joomla.application.component.modellist');
//Import filesystem libraries.
jimport('joomla.filesystem.file');
/**
* Model
*/
class VitabookModelVitabook extends JModelList
{
protected $_canDo;
protected $_userId;
protected $_messages;
protected $_childMessages;
protected $_parentCounter = array();
protected $state;
protected $_avatarSource;
protected $_sourceAvailable;
protected $_messageId;
/**
* Constructor.
*
* @param array $config An optional associative array of configuration settings.
*
* @see JController
* @since 11.1
*/
public function __construct($config = array())
{
parent::__construct($config);
// Get user permissions
$this->_canDo = VitabookHelper::getActions();
// Get user id
$this->_userId = JFactory::getUser()->get('id');
//-- Get avatar parameters
$this->_avatarSource = JComponentHelper::getParams('com_vitabook')->get('vbAvatar');
$this->_sourceAvailable = VitabookHelperAvatar::checkAvatarSystem($this->_avatarSource);
//-- get message id
$this->_messageId = JFactory::getApplication()->input->get('messageId', null, 'int');
}
/**
* Method to get a JDatabaseQuery object for retrieving the data set from a database.
*
* @return JDatabaseQuery A JDatabaseQuery object to retrieve the data set.
*
* @since 11.1
*/
protected function getListQuery()
{
$db = $this->getDbo();
$query = $db->getQuery(true);
$query->select('m.id,m.parent_id,m.level,m.jid,m.name,m.email,m.site,m.location,m.date,m.message,m.published,m.activated,m.ip');
$query->from('#__vitabook_messages AS m');
$query->where('m.parent_id = 1');
if(!$this->_canDo->get('core.edit.state'))
{
$query->where('m.published = 1');
$query->where('m.activated = 1');
}
// get database join for avatar
if(!empty($this->_avatarSource) && $this->_sourceAvailable == true)
{
VitabookHelperAvatar::setAvatarQuery($query);
}
$query->order('m.lft DESC');
return $query;
}
/**
* Method to get an array of data items.
* @return mixed An array of data items on success, false on failure.
*/
public function getItems()
{
// have JModelList retrieve desired messages
$items = parent::getItems();
// postproces messages
if(!empty($items))
{
foreach ($items as $k => $message):
// get actions
$message->actions = VitabookHelper::messageActions($this->_canDo,$message);
// get avatar
$message->avatar = VitabookHelperAvatar::getAvatarUrl($message);
// format date according to settings
$message->date = VitabookHelper::formatDate($message);
// check ip block
$message->ipblock = VitabookHelper::checkIpBlock($message->ip);
// add message id to list for retrieval of children
$parent_ids[] = $message->id;
// store message
$messages[$message->id] = $message;
// set empty 'children-pagination' counter
$this->_parentCounter[$message->id] = 0;
endforeach;
$this->_messages = $messages;
// get children and inject into messages list
$children = $this->getChildren($parent_ids);
if(!empty($children))
{
$this->sortChildMessages();
}
}
return $this->_messages;
}
/**
* Method to get a set of children of a (group of) parent id(s)
* Will recursively loop through the levels of replies, executing one db-query per level
* @return mixed An array of data items on success, false on failure.
*/
public function getChildren($parent_ids,$start=0)
{
if(empty($parent_ids))
return false;
$limit = JFactory::getApplication()->getParams()->get('reply_limit');
$parent_ids = implode(',',$parent_ids);
$db = $this->getDbo();
$query = $db->getQuery(true);
$query->select('m.id,m.parent_id,m.level,m.jid,m.name,m.email,m.site,m.location,m.date,m.message,m.published,m.activated,m.ip');
$query->from('#__vitabook_messages AS m');
$query->where('m.parent_id IN ('.$parent_ids.')');
// if no rights: only published messages
if(!$this->_canDo->get('core.edit.state'))
{
$query->where('m.published = 1');
$query->where('m.activated = 1');
}
// get database join for avatar
if(!empty($this->_avatarSource) && $this->_sourceAvailable == true)
{
VitabookHelperAvatar::setAvatarQuery($query);
}
$query->order('m.lft DESC');
$db->setQuery($query,$start,1000); // retrieve max 1000 messages per level, it's unlikely this will limit will be reached in practice
$children = $db->loadObjectList('id');
unset($parent_ids);
if(!empty($children))
{
foreach ($children as $message):
// set parentCounters (for both message and parent) if not set yet (to prevent php notices)
if(!isset($this->_parentCounter[$message->id]))
$this->_parentCounter[$message->id] = 0;
if(!isset($this->_parentCounter[$message->parent_id]))
$this->_parentCounter[$message->parent_id] = 0;
// if parent hasn't reached max children; process message
if($this->_parentCounter[$message->parent_id] < $limit)
{
// get actions
$message->actions = VitabookHelper::messageActions($this->_canDo,$message);
// get avatar url
$message->avatar = VitabookHelperAvatar::getAvatarUrl($message);
// format date according to settings
$message->date = VitabookHelper::formatDate($message);
// check ip block
$message->ipblock = VitabookHelper::checkIpBlock($message->ip);
// store this message for viewing
$this->_childMessages[$message->level][$message->id] = $message;
// add id to list for retrieval of higher levels
$parent_ids[] = $message->id;
$this->_parentCounter[$message->parent_id]++;
}
// if parent has reached max children; add load_more trigger to messages list
elseif($this->_parentCounter[$message->parent_id] == $limit)
{
$this->_childMessages[$message->level][$message->id] = (object)array("parent_id"=>$message->parent_id,"load_more"=>1,"start"=>$start+$limit);
$this->_parentCounter[$message->parent_id]++;
}
endforeach;
unset($children);
$this->getChildren($parent_ids);
}
return $this->_childMessages;
}
/**
* Method to sort out a set of children
* @return mixed An array of data items on success, false on failure.
*/
public function sortChildMessages()
{
//TODO: check this function for php notices
if(!empty($this->_childMessages))
{
// loop over child messages from bottom to top
for($l=4;$l>1;$l--):
if(isset($this->_childMessages[$l]))
ksort($this->_childMessages[$l]);
// merge last level children in messages
if($l == 2)
{
// if no messages are present: just return children
if(empty($this->_messages))
return $this->_childMessages[$l];
//move children to parents
foreach($this->_childMessages[$l] as $id => $m):
$this->_messages[$m->parent_id]->children[] = $m;
endforeach;
}
else
{
// if messages in this level and one up;
if(isset($this->_childMessages[$l]) && isset($this->_childMessages[$l-1]))
{
//move children to parents
foreach($this->_childMessages[$l] as $id => $m):
$this->_childMessages[$l-1][$m->parent_id]->children[] = $m;
endforeach;
}
// if messages in this level, but not in one up; only this level is requested
elseif(isset($this->_childMessages[$l]) && !isset($this->_childMessages[$l-1]))
{
return $this->_childMessages[$l];
}
}
endfor;
}
}
/**
* Method to auto-populate the model state.
*
* This method should only be called once per instantiation and is designed
* to be called on the first call to the getState() method unless the model
* configuration flag to ignore the request is set.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string $ordering An optional ordering field.
* @param string $direction An optional direction (asc|desc).
*
* @return void
*
* @since 11.1
*/
protected function populateState($ordering = null, $direction = null)
{
// If the context is set, assume that stateful lists are used.
if ($this->context)
{
// force limit from config.xml parameters
$limit = JFactory::getApplication()->getParams()->get('message_limit');
$this->setState('list.limit', $limit);
$get_limitstart = JFactory::getApplication()->input->get('limitstart', 0, 'int');
$get_start = JFactory::getApplication()->input->get('start', 0, 'int');
if(empty($this->_messageId) || !empty($get_limitstart) || !empty($get_start)) :
// start/limitstart = 0 unless set in GET or when messageId is set
$value = JFactory::getApplication()->input->get('limitstart', 0, 'int');
else :
// get messageId of top-level parent if message isn't on the top-level
$db = $this->getDbo();
$query = $db->getQuery(true);
$query->select('m.id');
$query->from('#__vitabook_messages AS m');
$query->where('m.parent_id = 1');
$query->where('m.lft <= (SELECT lft FROM #__vitabook_messages WHERE id = '.$this->_messageId.')');
// if no rights: only published messages
if(!$this->_canDo->get('core.edit.state'))
{
$query->where('m.published = 1');
}
$query->order('m.lft DESC');
$db->setQuery($query,0,1); // there is only one top parent for each message ;-)
$id = $db->loadResult();
// get page number message is on
$query = $db->getQuery(true);
$query->select('COUNT(id) as count');
$query->from('#__vitabook_messages AS m');
$query->where('m.parent_id = 1');
$query->where('m.lft > (SELECT lft FROM #__vitabook_messages WHERE id = '.$id.')');
// if no rights: only published messages
if(!$this->_canDo->get('core.edit.state'))
{
$query->where('m.published = 1');
}
$query->order('m.lft DESC');
$db->setQuery($query);
$value = $db->loadResult();
endif;
// set pagination start
$limitstart = ($limit != 0 ? (floor($value / $limit) * $limit) : 0);
$this->setState('list.start', $limitstart);
}
}
/**
* Method to add IP addresses to the blocklist
*/
public function blockip($ip)
{
// Get blocked ips
$params = VitabookHelper::getParams();
// Get current blocked ips (if exist) and add new one
if(isset($params->ipblock) && !empty($params->ipblock)){
$ips = array_map('trim', explode(',', $params->ipblock));
if(($key = array_search($ip, $ips)) !== false){
// Remove IP from list
unset($ips[$key]);
$message = 'removed';
} else {
// Add IP to list
$ips[] = $ip;
$message = 'added';
}
} else {
$ips[] = $ip;
$message = 'added';
}
$ips = implode(', ',$ips);
// Add new ips to params object and save
$params->ipblock = $ips;
if(!VitabookHelper::setParams($params)) {
return false;
}
return $message;
}
}