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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-2.0/JG/trunk/administrator/components/com_joomgallery/models/comments.php $
// $Id: comments.php 4215 2013-04-20 14:26:43Z chraneco $
/****************************************************************************************\
** JoomGallery 2 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2012 JoomGallery::ProjectTeam **
** Based on: JoomGallery 1.0.0 by JoomGallery::ProjectTeam **
** Released under GNU GPL Public License **
** License: http://www.gnu.org/copyleft/gpl.html or have a look **
** at administrator/components/com_joomgallery/LICENSE.TXT **
\****************************************************************************************/
defined('_JEXEC') or die('Direct Access to this location is not allowed.');
/**
* Comments model
*
* Saves, removes, publishes, unpublishes, approves,
* rejects and loads comments.
*
* @package JoomGallery
* @since 1.5.5
*/
class JoomGalleryModelComments extends JoomGalleryModel
{
/**
* Comments data array
*
* @var array
*/
protected $_comments;
/**
* Comments number
*
* @var int
*/
protected $_total = null;
/**
* Constructor
*
* @param array An optional associative array of configuration settings
* @return void
* @since 2.0
*/
public function __construct($config = array())
{
parent::__construct($config);
$this->filter_fields = array(
'cmtid', 'c.cmtid',
'user',
'cmttext', 'c.cmttext',
'published', 'c.published',
'approved', 'c.approved',
'cmtip', 'c.cmtip',
'i.imgtitle',
'cmtdate', 'c.cmtdate'
);
}
/**
* Retrieves the comments data
*
* @return array Array of objects containing the comments data from the database
* @since 1.5.5
*/
public function getComments()
{
// Lets load the data if it doesn't already exist
if(empty($this->_comments))
{
$query = $this->_buildQuery();
$this->_comments = $this->_getList($query, $this->getState('list.start'), $this->getState('list.limit'));
foreach($this->_comments as $key => $comment)
{
if($comment->userid > 0)
{
$this->_comments[$key]->cmtname = JHTML::_('joomgallery.displayname', $comment->userid);
}
$this->_comments[$key]->cmttext = JoomHelper::processText($comment->cmttext);
}
}
return $this->_comments;
}
/**
* Method to get the pagination object for the list.
* This method uses 'getTotel', 'getStart' and the current
* list limit of this view.
*
* @return object A pagination object
* @since 2.0
*/
public function getPagination()
{
jimport('joomla.html.pagination');
return new JPagination($this->getTotal(), $this->getStart(), $this->getState('list.limit'));
}
/**
* Method to get the total number of comments
*
* @return int The total number of comments in the gallery
* @since 1.5.5
*/
public function getTotal()
{
// Lets load the comments number if it doesn't already exist
if(empty($this->_total))
{
$query = $this->_buildQuery();
$this->_total = $this->_getListCount($query);
}
return $this->_total;
}
/**
* Method to get the starting number of items for the data set.
*
* @return int The starting number of items available in the data set.
* @since 2.0
*/
public function getStart()
{
$start = $this->getState('list.start');
$limit = $this->getState('list.limit');
$total = $this->getTotal();
if($start > $total - $limit)
{
$start = max(0, (int)(ceil($total / $limit) - 1) * $limit);
}
return $start;
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string An optional ordering field.
* @param string An optional direction (asc|desc).
* @return void
* @since 2.0
*/
protected function populateState($ordering = 'c.cmtdate', $direction = 'DESC')
{
$search = $this->getUserStateFromRequest('joom.comments.filter.search', 'filter_search');
$this->setState('filter.search', $search);
$state = $this->getUserStateFromRequest('joom.comments.filter.state', 'filter_state', '');
$this->setState('filter.state', $state);
$value = $this->getUserStateFromRequest('global.list.limit', 'limit', $this->_mainframe->getCfg('list_limit'));
$limit = $value;
$this->setState('list.limit', $limit);
$value = $this->getUserStateFromRequest('joom.comments.limitstart', 'limitstart', 0);
$limitstart = ($limit != 0 ? (floor($value / $limit) * $limit) : 0);
$this->setState('list.start', $limitstart);
// Check if the ordering field is in the white list, otherwise use the incoming value
$value = $this->getUserStateFromRequest('joom.comments.ordercol', 'filter_order', $ordering);
if(!in_array($value, $this->filter_fields))
{
$value = $ordering;
$this->_mainframe->setUserState('joom.comments.ordercol', $value);
}
$this->setState('list.ordering', $value);
// Check if the ordering direction is valid, otherwise use the incoming value
$value = $this->getUserStateFromRequest('joom.comments.orderdirn', 'filter_order_Dir', $direction);
if(!in_array(strtoupper($value), array('ASC', 'DESC', '')))
{
$value = $direction;
$this->_mainframe->setUserState('joom.comments.orderdirn', $value);
}
$this->setState('list.direction', $value);
if($search || $state)
{
$this->setState('filter.inuse', 1);
}
}
/**
* Returns the query for loading all comments
*
* @return string The query to be used to retrieve the rows from the database
* @since 1.5.5
*/
protected function _buildQuery()
{
// Create a new query object
$query = $this->_db->getQuery(true);
// Select the required fields from the table
$query->select('c.*')
->from(_JOOM_TABLE_COMMENTS.' AS c');
// Join over the images
$query->select('i.id, i.imgtitle, i.imgthumbname, i.catid, i.owner')
->join('LEFT', _JOOM_TABLE_IMAGES.' AS i ON i.id = c.cmtpic');
// Join over the users
$query->select('u.username AS user')
->join('LEFT', '#__users AS u ON u.id = c.userid');
/*// Filter by owner
$owner = $this->getState('filter.owner');
if($owner !== '')
{
$query->where('a.owner = '.(int) $owner);
}*/
// Filter by state
$published = $this->getState('filter.state');
switch($published)
{
case 1:
// Published
$query->where('c.published = 1');
break;
case 2:
// Not published
$query->where('c.published = 0');
break;
case 3:
// Approved
$query->where('c.approved = 1');
break;
case 4:
// Not approved / rejected
$query->where('c.approved = 0');
break;
default:
// No filter by state
break;
}
// Filter by search
$search = $this->getState('filter.search');
if(!empty($search))
{
if(stripos($search, 'id:') === 0)
{
$query->where('c.cmtid = '.(int) substr($search, 3));
}
else
{
if(stripos($search, 'author:') === 0)
{
$search = $this->_db->Quote('%'.$this->_db->getEscaped(substr($search, 7), true).'%');
$query->where('(u.name LIKE '.$search.' OR u.username LIKE '.$search.')');
}
else
{
$search = $this->_db->Quote('%'.$this->_db->getEscaped($search, true).'%');
$query->where('LOWER(c.cmttext) LIKE '.$search);
}
}
}
// Add the order clause
$query->order($this->_db->getEscaped($this->getState('list.ordering', 'c.cmtdate')).' '.$this->_db->getEscaped($this->getState('list.direction', 'DESC')));
if($this->getState('list.ordering') == 'user')
{
$query->order('c.cmtname '.$this->getState('list.direction', 'ASC'));
}
return $query;
}
/**
* Method to delete one or more comments
*
* @return int The number of successfully deleted comments, boolean false if an error occured
* @since 1.5.5
*/
public function delete()
{
$cids = JRequest::getVar('cid', array(0), 'post', 'array');
$row = $this->getTable('joomgallerycomments');
if(count($cids))
{
foreach($cids as $cid)
{
if (!$row->delete($cid))
{
$this->setError($row->getErrorMsg());
return false;
}
}
return count($cids);
}
return false;
}
/**
* Method to publish, unpublish, approve or reject one or more comments
*
* @param array $cid Array of comment IDs to perform the task on
* @param int $publish 1 for publishing or approving, 0 for unpublishing or rejecting
* @param string $task The task to perform ('publish' or 'approve')
* @return int The number of successfully processed comments, false otherwise
* @since 1.5.5
*/
public function publish($cid, $publish = 1, $task = 'publish')
{
JArrayHelper::toInteger($cid);
$cids = implode(',', $cid);
$column = 'approved';
if($task == 'publish')
{
$column = 'published';
}
$query = $this->_db->getQuery(true)
->update(_JOOM_TABLE_COMMENTS)
->set($column.' = '.(int) $publish)
->where('cmtid IN ('.$cids.' )');
$this->_db->setQuery($query);
if(!$this->_db->query())
{
return false;
}
// Message about new comment to image owner
if($column == 'approved' && $publish && $this->_config->get('jg_msg_comment_toowner'))
{
require_once(JPATH_COMPONENT_SITE.DS.'helpers'.DS.'messenger.php');
$messenger = new JoomMessenger();
foreach($cid as $id)
{
// Load comment data
$comment = $this->getTable('joomgallerycomments');
$comment->load($id);
if(!$name = $comment->cmtname)
{
$user = JFactory::getUser($comment->userid);
$name = $this->_config->get('jg_realname') ? $this->_user->get('name') : $this->_user->get('username');
}
// Load image data
$image = $this->getTable('joomgalleryimages');
$image->load($comment->cmtpic);
if($image->owner && $image->owner != $comment->userid)
{
$mode = $messenger->getModeData('comment');
$message = array(
'from' => $this->_user->get('id'),
'subject' => JText::_('COM_JOOMGALLERY_MESSAGE_NEW_COMMENT_TO_OWNER_SUBJECT'),
'body' => JText::sprintf('COM_JOOMGALLERY_MESSAGE_NEW_COMMENT_TO_OWNER_BODY', $name, $image->imgtitle, $image->id),
'type' => $mode['type']
);
$message['recipient'] = $image->owner;
$messenger->send($message);
}
}
}
return count($cid);
}
/**
* Gets the value of a user state variable and sets it in the session
* This is the same as the method in JApplication except that this also can optionally
* force you back to the first page when a filter has changed
*
* @param string $key The key of the user state variable
* @param string $request The name of the variable passed in a request
* @param string $default The default value for the variable if not found (optional)
* @param string $type Filter for the variable, for valid values see {@link JFilterInput::clean()} (optional)
* @param boolean $resetPage If true, the limitstart in request is set to zero if the state has changed
* @return The requested user state
* @since 2.0
*/
public function getUserStateFromRequest($key, $request, $default = null, $type = 'none', $resetPage = true)
{
$app = JFactory::getApplication();
$old_state = $app->getUserState($key);
$cur_state = (!is_null($old_state)) ? $old_state : $default;
$new_state = JRequest::getVar($request, null, 'default', $type);
if($cur_state != $new_state && !is_null($new_state) && !is_null($old_state) && $resetPage)
{
JRequest::setVar('limitstart', 0);
}
// Save the new value only if it was set in this request.
if($new_state !== null)
{
$app->setUserState($key, $new_state);
}
else
{
$new_state = $cur_state;
}
return $new_state;
}
}