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<?php
/**
* @version $Id: article.php 13415 2009-11-03 15:53:25Z ian $
* @package Joomla
* @subpackage Content
* @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! 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.
*/
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die( 'Restricted access' );
jimport('joomla.application.component.model');
/**
* Content Component Article Model
*
* @package Joomla
* @subpackage Content
* @since 1.5
*/
class ContentModelArticle extends JModel
{
/**
* Article data
*
* @var object
*/
var $_article = null;
/**
* Constructor
*
* @since 1.5
*/
function __construct()
{
parent::__construct();
$id = JRequest::getVar('id', 0, '', 'int');
$this->setId((int)$id);
}
/**
* Method to set the article id
*
* @access public
* @param int Article ID number
*/
function setId($id)
{
// Set new article ID and wipe data
$this->_id = $id;
$this->_article = null;
}
/**
* Overridden set method to pass properties on to the article
*
* @access public
* @param string $property The name of the property
* @param mixed $value The value of the property to set
* @return boolean True on success
* @since 1.5
*/
function set( $property, $value=null )
{
if ($this->_loadArticle()) {
$this->_article->$property = $value;
return true;
} else {
return false;
}
}
/**
* Overridden get method to get properties from the article
*
* @access public
* @param string $property The name of the property
* @param mixed $value The value of the property to set
* @return mixed The value of the property
* @since 1.5
*/
function get($property, $default=null)
{
if ($this->_loadArticle()) {
if(isset($this->_article->$property)) {
return $this->_article->$property;
}
}
return $default;
}
/**
* Method to get content article data for the frontpage
*
* @since 1.5
*/
function &getArticle()
{
// Load the Category data
if ($this->_loadArticle())
{
$user = & JFactory::getUser();
// Is the category published?
if (!$this->_article->cat_pub && $this->_article->catid) {
JError::raiseError( 404, JText::_("Article category not published") );
}
// Is the section published?
if ($this->_article->sectionid)
{
if ($this->_article->sec_pub === null)
{
// probably a new item
// check the sectionid probably passed in the request
$db =& $this->getDBO();
$query = 'SELECT published' .
' FROM #__sections' .
' WHERE id = ' . (int) $this->_article->sectionid;
$db->setQuery( $query );
$this->_article->sec_pub = $db->loadResult();
}
if (!$this->_article->sec_pub)
{
JError::raiseError( 404, JText::_("Article section not published") );
}
}
// Do we have access to the category?
if (($this->_article->cat_access > $user->get('aid', 0)) && $this->_article->catid) {
JError::raiseError( 403, JText::_("ALERTNOTAUTH") );
}
// Do we have access to the section?
if (($this->_article->sec_access > $user->get('aid', 0)) && $this->_article->sectionid) {
JError::raiseError( 403, JText::_("ALERTNOTAUTH") );
}
$this->_loadArticleParams();
}
else
{
$user =& JFactory::getUser();
$article =& JTable::getInstance('content');
$article->state = 1;
$article->cat_pub = null;
$article->sec_pub = null;
$article->cat_access = null;
$article->sec_access = null;
$article->author = null;
$article->created_by = $user->get('id');
$article->parameters = new JParameter( '' );
$article->text = '';
$this->_article = $article;
}
return $this->_article;
}
/**
* Method to increment the hit counter for the article
*
* @access public
* @return boolean True on success
* @since 1.5
*/
function hit()
{
global $mainframe;
if ($this->_id)
{
$article = & JTable::getInstance('content');
$article->hit($this->_id);
return true;
}
return false;
}
/**
* Tests if article is checked out
*
* @access public
* @param int A user id
* @return boolean True if checked out
* @since 1.5
*/
function isCheckedOut( $uid=0 )
{
if ($this->_loadArticle())
{
if ($uid) {
return ($this->_article->checked_out && $this->_article->checked_out != $uid);
} else {
return $this->_article->checked_out;
}
} elseif ($this->_id < 1) {
return false;
} else {
JError::raiseWarning( 0, 'Unable to Load Data');
return false;
}
}
/**
* Method to checkin/unlock the article
*
* @access public
* @return boolean True on success
* @since 1.5
*/
function checkin()
{
if ($this->_id)
{
$article = & JTable::getInstance('content');
return $article->checkin($this->_id);
}
return false;
}
/**
* Method to checkout/lock the article
*
* @access public
* @param int $uid User ID of the user checking the article out
* @return boolean True on success
* @since 1.5
*/
function checkout($uid = null)
{
if ($this->_id)
{
// Make sure we have a user id to checkout the article with
if (is_null($uid)) {
$user =& JFactory::getUser();
$uid = $user->get('id');
}
// Lets get to it and checkout the thing...
$article = & JTable::getInstance('content');
return $article->checkout($uid, $this->_id);
}
return false;
}
/**
* Method to store the article
*
* @access public
* @return boolean True on success
* @since 1.5
*/
function store($data)
{
global $mainframe;
$article =& JTable::getInstance('content');
$user =& JFactory::getUser();
$dispatcher =& JDispatcher::getInstance();
JPluginHelper::importPlugin('content');
// Bind the form fields to the web link table
if (!$article->bind($data, "published")) {
$this->setError($this->_db->getErrorMsg());
return false;
}
// sanitise id field
$article->id = (int) $article->id;
$isNew = ($article->id < 1);
if ($isNew)
{
$article->created = gmdate('Y-m-d H:i:s');
$article->created_by = $user->get('id');
}
else
{
$article->modified = gmdate('Y-m-d H:i:s');
$article->modified_by = $user->get('id');
}
// Append time if not added to publish date
if (strlen(trim($article->publish_up)) <= 10) {
$article->publish_up .= ' 00:00:00';
}
$date =& JFactory::getDate($article->publish_up, $mainframe->getCfg('offset'));
$article->publish_up = $date->toMySQL();
// Handle never unpublish date
if (trim($article->publish_down) == JText::_('Never') || trim( $article->publish_down ) == '')
{
$article->publish_down = $this->_db->getNullDate();;
}
else
{
if (strlen(trim( $article->publish_down )) <= 10) {
$article->publish_down .= ' 00:00:00';
}
$date =& JFactory::getDate($article->publish_down, $mainframe->getCfg('offset'));
$article->publish_down = $date->toMySQL();
}
$article->title = trim( $article->title );
// get state and created_by from existing article
$originalState = 0;
if (!$isNew)
{
$query = 'SELECT state, created_by' .
' FROM #__content' .
' WHERE id = '.(int) $article->id;
$this->_db->setQuery($query);
$originalArticle = $this->_db->loadObject();
$originalState = $originalArticle->state;
// force the created_by to the existing value
$article->created_by = $originalArticle->created_by;
}
// Publishing state hardening for Authors
if (!$user->authorize('com_content', 'publish', 'content', 'all'))
{
if ($isNew)
{
// For new items - author is not allowed to publish - prevent them from doing so
$article->state = 0;
}
else
{
// For existing items keep existing state - author is not allowed to change status
$state = $originalState;
if ($state) {
$article->state = 1;
}
else {
$article->state = 0;
}
// if current user is author, check that the current user is really the author
if (!$user->authorize('com_content', 'edit', 'content', 'all'))
{
if ($originalArticle->created_by != $user->id)
{
JError::raiseError( 403, JText::_("ALERTNOTAUTH") );
}
}
}
}
// Search for the {readmore} tag and split the text up accordingly.
$text = str_replace('<br>', '<br />', $data['text']);
$pattern = '#<hr\s+id=("|\')system-readmore("|\')\s*\/*>#i';
$tagPos = preg_match($pattern, $text);
if ($tagPos == 0) {
$article->introtext = $text;
} else {
list($article->introtext, $article->fulltext) = preg_split($pattern, $text, 2);
}
// Filter settings
jimport( 'joomla.application.component.helper' );
$config = JComponentHelper::getParams( 'com_content' );
$user = &JFactory::getUser();
$gid = $user->get( 'gid' );
$filterGroups = $config->get( 'filter_groups' );
// convert to array if one group selected
if ( (!is_array($filterGroups) && (int) $filterGroups > 0) ) {
$filterGroups = array($filterGroups);
}
if (is_array($filterGroups) && in_array( $gid, $filterGroups ))
{
$filterType = $config->get( 'filter_type' );
$filterTags = preg_split( '#[,\s]+#', trim( $config->get( 'filter_tags' ) ) );
$filterAttrs = preg_split( '#[,\s]+#', trim( $config->get( 'filter_attritbutes' ) ) );
switch ($filterType)
{
case 'NH':
$filter = new JFilterInput();
break;
case 'WL':
$filter = new JFilterInput( $filterTags, $filterAttrs, 0, 0 );
break;
case 'BL':
default:
$filter = new JFilterInput( $filterTags, $filterAttrs, 1, 1 );
break;
}
$article->introtext = $filter->clean( $article->introtext );
$article->fulltext = $filter->clean( $article->fulltext );
} elseif(empty($filterGroups)) {
$filter = new JFilterInput(array(), array(), 1, 1);
$article->introtext = $filter->clean( $article->introtext );
$article->fulltext = $filter->clean( $article->fulltext );
}
// Make sure the article table is valid
if (!$article->check()) {
$this->setError($article->getError());
return false;
}
$article->version++;
//Trigger OnBeforeContentSave
$result = $dispatcher->trigger('onBeforeContentSave', array(&$article, $isNew));
if(in_array(false, $result, true)) {
$this->setError($article->getError());
return false;
}
// Store the article table to the database
if (!$article->store()) {
$this->setError($this->_db->getErrorMsg());
return false;
}
if ($isNew)
{
$this->_id = $article->_db->insertId();
}
$article->reorder("catid = " . (int) $data['catid']);
//Trigger OnAfterContentSave
$dispatcher->trigger('onAfterContentSave', array(&$article, $isNew));
$this->_article =& $article;
return true;
}
/**
* Method to store a user rating for a content article
*
* @access public
* @param int $rating Article rating [ 1 - 5 ]
* @return boolean True on success
* @since 1.5
*/
function storeVote($rate)
{
if ( $rate >= 1 && $rate <= 5)
{
$userIP = $_SERVER['REMOTE_ADDR'];
$query = 'SELECT *' .
' FROM #__content_rating' .
' WHERE content_id = '.(int) $this->_id;
$this->_db->setQuery($query);
$rating = $this->_db->loadObject();
if (!$rating)
{
// There are no ratings yet, so lets insert our rating
$query = 'INSERT INTO #__content_rating ( content_id, lastip, rating_sum, rating_count )' .
' VALUES ( '.(int) $this->_id.', '.$this->_db->Quote($userIP).', '.(int) $rate.', 1 )';
$this->_db->setQuery($query);
if (!$this->_db->query()) {
JError::raiseError( 500, $this->_db->stderr());
}
}
else
{
if ($userIP != ($rating->lastip))
{
// We weren't the last voter so lets add our vote to the ratings totals for the article
$query = 'UPDATE #__content_rating' .
' SET rating_count = rating_count + 1, rating_sum = rating_sum + '.(int) $rate.', lastip = '.$this->_db->Quote($userIP) .
' WHERE content_id = '.(int) $this->_id;
$this->_db->setQuery($query);
if (!$this->_db->query()) {
JError::raiseError( 500, $this->_db->stderr());
}
}
else
{
return false;
}
}
return true;
}
JError::raiseWarning( 'SOME_ERROR_CODE', 'Article Rating:: Invalid Rating:' .$rate, "JModelArticle::storeVote($rate)");
return false;
}
/**
* Method to load content article data
*
* @access private
* @return boolean True on success
* @since 1.5
*/
function _loadArticle()
{
global $mainframe;
if($this->_id == '0')
{
return false;
}
// Load the content if it doesn't already exist
if (empty($this->_article))
{
// Get the page/component configuration
$params = &$mainframe->getParams();
// If voting is turned on, get voting data as well for the article
$voting = ContentHelperQuery::buildVotingQuery($params);
// Get the WHERE clause
$where = $this->_buildContentWhere();
$query = 'SELECT a.*, u.name AS author, u.usertype, cc.title AS category, s.title AS section,' .
' CASE WHEN CHAR_LENGTH(a.alias) THEN CONCAT_WS(":", a.id, a.alias) ELSE a.id END as slug,'.
' CASE WHEN CHAR_LENGTH(cc.alias) THEN CONCAT_WS(":", cc.id, cc.alias) ELSE cc.id END as catslug,'.
' g.name AS groups, s.published AS sec_pub, cc.published AS cat_pub, s.access AS sec_access, cc.access AS cat_access '.$voting['select'].
' FROM #__content AS a' .
' LEFT JOIN #__categories AS cc ON cc.id = a.catid' .
' LEFT JOIN #__sections AS s ON s.id = cc.section AND s.scope = "content"' .
' LEFT JOIN #__users AS u ON u.id = a.created_by' .
' LEFT JOIN #__groups AS g ON a.access = g.id'.
$voting['join'].
$where;
$this->_db->setQuery($query);
$this->_article = $this->_db->loadObject();
if ( ! $this->_article ) {
return false;
}
if($this->_article->publish_down == $this->_db->getNullDate()) {
$this->_article->publish_down = JText::_('Never');
}
// These attributes need to be defined in order for the voting plugin to work
if ( count($voting) && ! isset($this->_article->rating_count) ) {
$this->_article->rating_count = 0;
$this->_article->rating = 0;
}
return true;
}
return true;
}
/**
* Method to load content article parameters
*
* @access private
* @return void
* @since 1.5
*/
function _loadArticleParams()
{
global $mainframe;
// Get the page/component configuration
$params = clone($mainframe->getParams('com_content'));
// Merge article parameters into the page configuration
$aparams = new JParameter($this->_article->attribs);
$params->merge($aparams);
// Set the popup configuration option based on the request
$pop = JRequest::getVar('pop', 0, '', 'int');
$params->set('popup', $pop);
// Are we showing introtext with the article
if (!$params->get('show_intro') && !empty($this->_article->fulltext)) {
$this->_article->text = $this->_article->fulltext;
} else {
$this->_article->text = $this->_article->introtext . chr(13).chr(13) . $this->_article->fulltext;
}
// Set the article object's parameters
$this->_article->parameters = & $params;
}
/**
* Method to build the WHERE clause of the query to select a content article
*
* @access private
* @return string WHERE clause
* @since 1.5
*/
function _buildContentWhere()
{
global $mainframe;
$user =& JFactory::getUser();
$aid = (int) $user->get('aid', 0);
$jnow =& JFactory::getDate();
$now = $jnow->toMySQL();
$nullDate = $this->_db->getNullDate();
/*
* First thing we need to do is assert that the content article is the one
* we are looking for and we have access to it.
*/
$where = ' WHERE a.id = '. (int) $this->_id;
// $where .= ' AND a.access <= '. (int) $aid;
if (!$user->authorize('com_content', 'edit', 'content', 'all'))
{
$where .= ' AND ( ';
$where .= ' ( a.created_by = ' . (int) $user->id . ' ) ';
$where .= ' OR ';
$where .= ' ( a.state = 1' .
' AND ( a.publish_up = '.$this->_db->Quote($nullDate).' OR a.publish_up <= '.$this->_db->Quote($now).' )' .
' AND ( a.publish_down = '.$this->_db->Quote($nullDate).' OR a.publish_down >= '.$this->_db->Quote($now).' )';
$where .= ' ) ';
$where .= ' OR ';
$where .= ' ( a.state = -1 ) ';
$where .= ' ) ';
}
return $where;
}
}