Your IP : 216.73.216.147
<?php
/**
* @package Komento
* @copyright Copyright (C) 2012 Stack Ideas Private Limited. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Komento is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
defined('_JEXEC') or die('Restricted access');
require_once( KOMENTO_ADMIN_ROOT . DIRECTORY_SEPARATOR . 'views.php');
class KomentoViewSystem extends KomentoAdminView
{
public function getArticles()
{
$ajax = Komento::getAjax();
$component = JRequest::getString( 'component' );
$sql = Komento::getSql();
$sql->select( '#__komento_comments' )
->column( 'cid', 'cid', 'DISTINCT' )
->where( 'component', $component )
->order( 'cid' );
$result = $sql->loadColumn();
$ajax->resolve( $result );
return $ajax->send();
}
public function getArticleStatistics()
{
$ajax = Komento::getAjax();
// check depth column first
$db = Komento::getDBO();
if( !$db->isColumnExists( '#__komento_comments', 'depth' ) )
{
$query = 'ALTER TABLE `#__komento_comments` ADD `depth` INT(11) NOT NULL DEFAULT \'0\' AFTER `rgt`';
$db->setQuery( $query );
if( !$db->query() )
{
$ajax->reject();
return $ajax->send();
}
}
$component = JRequest::getString( 'component' );
$cid = JRequest::getString( 'cid' );
$query = "SELECT DISTINCT `component`, `cid` FROM `#__komento_comments`";
if( !empty( $component ) && $component !== 'all' )
{
$query .= " WHERE `component` = '$component'";
if( !empty( $cid ) && $cid !== 'all' )
{
$query .= " AND `cid` = '$cid'";
}
}
$sql = Komento::getSql();
$sql->raw( $query );
$parents = $sql->loadObjectList();
$ajax->resolve( $parents );
return $ajax->send();
}
public function populateDepth()
{
$db = Komento::getDBO();
$ajax = Komento::getAjax();
$component = JRequest::getString( 'component' );
$cid = JRequest::getString( 'cid' );
$query = 'SELECT ' . $db->nameQuote( 'id' ) . ' FROM ' . $db->nameQuote( '#__komento_comments' );
$query .= ' WHERE ' . $db->nameQuote( 'component' ) . ' = ' . $db->quote( $component );
$query .= ' AND ' . $db->nameQuote( 'cid' ) . ' = ' . $db->quote( $cid );
$query .= ' AND ' . $db->nameQuote( 'parent_id' ) . ' = ' . $db->quote( '0' );
$db->setQuery( $query );
$parents = $db->loadResultArray();
if( !empty( $parents ) )
{
foreach( $parents as $parent )
{
$this->populateChildDepth( $parent, 1 );
}
}
$ajax->resolve();
return $ajax->send();
}
private function populateChildDepth( $id, $depth )
{
$children = $this->getChildrenId( $id );
if( !empty( $children ) )
{
$ids = implode( ',', $children );
$this->updateDepth( $ids, $depth );
foreach( $children as $child )
{
$this->populateChildDepth( $child, $depth + 1 );
}
}
}
private function getChildrenId( $id )
{
$db = Komento::getDBO();
$query = 'SELECT ' . $db->nameQuote( 'id' ) . ' FROM ' . $db->nameQuote( '#__komento_comments' );
$query .= ' WHERE ' . $db->nameQuote( 'parent_id' ) . ' = ' . $db->quote( $id );
$db->setQuery( $query );
$children = $db->loadResultArray();
return $children;
}
private function updateDepth( $ids, $depth )
{
$db = Komento::getDBO();
$query = 'UPDATE ' . $db->nameQuote( '#__komento_comments' ) . ' SET ' . $db->nameQuote( 'depth' ) . ' = ' . $db->quote( $depth );
$query .= ' WHERE ' . $db->nameQuote( 'id' ) . ' IN(' . $db->quote( $ids ) . ')';
$db->setQuery( $query );
$db->query();
}
public function fixStructure()
{
$ajax = Komento::getAjax();
$component = JRequest::getString( 'component' );
$cid = JRequest::getString( 'cid' );
$parents = $this->getParents( $component, $cid );
// Set boundary to start from 1
$boundary = 1;
// Fix all the parent first
foreach( $parents as $parent )
{
$this->fixItemStructure( $parent, $boundary, 0 );
}
// Now we start fixing the childrens
foreach( $parents as $parent )
{
$this->fixChildStructure( $parent );
}
$ajax->resolve();
return $ajax->send();
}
public function normalizeStructure()
{
$sql = Komento::getSql();
$ajax = Komento::getAjax();
$component = JRequest::getString( 'component' );
$cid = JRequest::getString( 'cid' );
// Normalize all invalid parent id first
$query = "UPDATE `#__komento_comments` as `a`";
$query .= " LEFT JOIN `#__komento_comments` as `b`";
$query .= " ON `a`.`parent_id` = `b`.`id`";
$query .= " AND `a`.`component` = `b`.`component`";
$query .= " AND `a`.`cid` = `b`.`cid`";
$query .= " SET `a`.`parent_id` = 0, `a`.`depth` = 0";
$query .= " WHERE `b`.`id` is null";
$query .= " AND `a`.`component` = '$component'";
$query .= " AND `a`.`cid` = '$cid'";
$query .= " AND `a`.`parent_id` <> 0";
$sql->raw( $query );
$sql->query();
$sql->clear();
// Now we normalize the structure of lft rgt values
$sql->select( '#__komento_comments' )
->where( 'component', $component )
->where( 'cid', $cid )
->order( 'created' );
$result = $sql->loadObjectList();
$boundary = 1;
foreach( $result as $row )
{
$table = Komento::getTable( 'comments' );
$table->bind( $row );
$table->lft = $boundary++;
$table->rgt = $boundary++;
$table->store();
}
$ajax->resolve();
return $ajax->send();
}
private function fixChildStructure( $id )
{
$parent = Komento::getTable( 'comments' );
$parent->load( $id );
$boundary = $parent->lft + 1;
$depth = $parent->depth + 1;
$children = $this->getChildren( $id );
if( !empty( $children ) )
{
$total = count( $children );
$this->pushBoundaries( $parent, $total );
// Fix all the direct children first
foreach( $children as $child )
{
$this->fixItemStructure( $child, $boundary, $depth );
}
foreach( $children as $child )
{
$this->fixChildStructure( $child );
}
}
}
private function fixItemStructure( $id, &$boundary, $depth )
{
$item = Komento::getTable( 'comments' );
$item->load( $id );
$item->lft = $boundary++;
$item->rgt = $boundary++;
$item->depth = $depth;
$item->store();
}
private function getParents( $component, $cid )
{
$sql = Komento::getSql();
$sql->select( '#__komento_comments' )
->column( 'id' )
->where( 'component', $component )
->where( 'cid', $cid )
->where( 'parent_id', 0 )
->order( 'created' );
$result = $sql->loadResultArray();
return $result;
}
private function getChildren( $id )
{
// TODO: Change this to use parent table->getChildren() function
$sql = Komento::getSql();
$sql->select( '#__komento_comments' )
->column( 'id' )
->where( 'parent_id', $id )
->order( 'created' );
$result = $sql->loadResultArray();
return $result;
}
private function pushBoundaries( $item, $count )
{
$diff = $count * 2;
$sql = Komento::getSql();
$query = "UPDATE `#__komento_comments` SET `lft` = `lft` + $diff WHERE `component` = '$item->component' AND `cid` = '$item->cid' AND `lft` > $item->lft";
$sql->raw( $query );
$sql->query();
$query = "UPDATE `#__komento_comments` SET `rgt` = `rgt` + $diff WHERE `component` = '$item->component' AND `cid` = '$item->cid' AND `rgt` > $item->lft";
$sql->raw( $query );
$sql->query();
}
}