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<?php
/**
* @package Articles Anywhere
* @version 14.2.0
*
* @author Peter van Westen <info@regularlabs.com>
* @link https://regularlabs.com
* @copyright Copyright © 2023 Regular Labs All Rights Reserved
* @license GNU General Public License version 2 or later
*/
/**
* @package Joomla.Site
* @subpackage com_content
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\CMS\Application\CMSApplication;
use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\Language\Text as JText;
use Joomla\CMS\MVC\Model\ItemModel as JModelItem;
use Joomla\CMS\Table\Table as JTable;
use Joomla\Registry\Registry;
/**
* Content Component Article Model
*
* @since 1.5
*/
class ArticlesAnywhereArticleModel extends JModelItem
{
/**
* Model context string.
*
* @var string
*/
protected $_context = 'com_content.article';
/**
* Method to get article data.
*
* @param integer $pk The id of the article.
*
* @return object|boolean|JException Menu item data object on success, boolean false or JException instance on error
*/
public function getItem($pk = null)
{
$user = JFactory::getApplication()->getIdentity() ?: JFactory::getUser();
$pk = ( ! empty($pk)) ? $pk : (int) $this->getState('article.id');
if ($this->_item === null)
{
$this->_item = [];
}
if ( ! isset($this->_item[$pk]))
{
try
{
$db = $this->getDbo();
$query = $db->getQuery(true)
->select(
$this->getState(
'item.select', 'a.id, a.asset_id, a.title, a.alias, a.introtext, a.fulltext, ' .
// If badcats is not null, this means that the article is inside an unpublished category
// In this case, the state is set to 0 to indicate Unpublished (even if the article state is Published)
'CASE WHEN badcats.id is null THEN a.state ELSE 0 END AS state, ' .
'a.catid, a.created, a.created_by, a.created_by_alias, ' .
// Use created if modified is 0
'CASE WHEN a.modified = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.modified END as modified, ' .
'a.modified_by, a.checked_out, a.checked_out_time, a.publish_up, a.publish_down, ' .
'a.images, a.urls, a.attribs, a.version, a.ordering, ' .
'a.metakey, a.metadesc, a.access, a.hits, a.metadata, a.featured, a.language, a.xreference'
)
);
$query->from('#__content AS a');
// Join on category table.
$query->select('c.title AS category_title, c.alias AS category_alias, c.access AS category_access')
->join('LEFT', '#__categories AS c on c.id = a.catid');
// Join on user table.
$query->select('u.name AS author')
->join('LEFT', '#__users AS u on u.id = a.created_by');
// Join over the categories to get parent category titles
$query->select('parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias')
->join('LEFT', '#__categories as parent ON parent.id = c.parent_id');
// Join on voting table
$query->select('ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count')
->join('LEFT', '#__content_rating AS v ON a.id = v.content_id')
->where('a.id = ' . (int) $pk);
// Join to check for category published state in parent categories up the tree
// If all categories are published, badcats.id will be null, and we just use the article state
$subquery = ' (SELECT cat.id as id FROM #__categories AS cat JOIN #__categories AS parent ';
$subquery .= 'ON cat.lft BETWEEN parent.lft AND parent.rgt ';
$subquery .= 'WHERE parent.extension = ' . $db->quote('com_content');
$subquery .= ' AND parent.published <= 0 GROUP BY cat.id)';
$query->join('LEFT OUTER', $subquery . ' AS badcats ON badcats.id = c.id');
$db->setQuery($query);
$data = $db->loadObject();
if (empty($data))
{
throw new Exception(JText::_('COM_CONTENT_ERROR_ARTICLE_NOT_FOUND'), 404);
}
// Convert parameter fields to objects.
$registry = new Registry;
$registry->loadString($data->attribs);
$data->params = clone $this->getState('params');
$data->params->merge($registry);
$registry = new Registry;
$registry->loadString($data->metadata);
$data->metadata = $registry;
// Technically guest could edit an article, but lets not check that to improve performance a little.
if ( ! $user->get('guest'))
{
$userId = $user->get('id');
$asset = 'com_content.article.' . $data->id;
// Check general edit permission first.
if ($user->authorise('core.edit', $asset))
{
$data->params->set('access-edit', true);
}
// Now check if edit.own is available.
elseif ( ! empty($userId) && $user->authorise('core.edit.own', $asset))
{
// Check for a valid user and that they are the owner.
if ($userId == $data->created_by)
{
$data->params->set('access-edit', true);
}
}
}
// Compute view access permissions.
if ($this->getState('filter.access'))
{
// If the access filter has been set, we already know this user can view.
$data->params->set('access-view', true);
}
else
{
// If no access filter is set, the layout takes some responsibility for display of limited information.
$user = JFactory::getApplication()->getIdentity() ?: JFactory::getUser();
$groups = $user->getAuthorisedViewLevels();
if ($data->catid == 0 || $data->category_access === null)
{
$data->params->set('access-view', in_array($data->access, $groups));
}
else
{
$data->params->set('access-view', in_array($data->access, $groups) && in_array($data->category_access, $groups));
}
}
$this->_item[$pk] = $data;
}
catch (Exception $e)
{
if ($e->getCode() == 404)
{
// Need to go thru the error handler to allow Redirect to work.
throw new Exception($e->getMessage(), 404);
}
$this->setError($e);
$this->_item[$pk] = false;
}
}
return $this->_item[$pk];
}
/**
* Increment the hit counter for the article.
*
* @param integer $pk Optional primary key of the article to increment.
*
* @return boolean True if successful; false otherwise and internal error set.
*/
public function hit($pk = 0)
{
$input = JFactory::getApplication()->input;
$hitcount = $input->getInt('hitcount', 1);
if ($hitcount)
{
$pk = ( ! empty($pk)) ? $pk : (int) $this->getState('article.id');
$table = JTable::getInstance('Content', 'JTable');
$table->load($pk);
$table->hit($pk);
}
return true;
}
/**
* Save user vote on article
*
* @param integer $pk Joomla Article Id
* @param integer $rate Voting rate
*
* @return boolean Return true on success
*/
public function storeVote($pk = 0, $rate = 0)
{
if ($rate >= 1 && $rate <= 5 && $pk > 0)
{
$userIP = $_SERVER['REMOTE_ADDR'];
// Initialize variables.
$db = $this->getDbo();
$query = $db->getQuery(true);
// Create the base select statement.
$query->select('*')
->from($db->quoteName('#__content_rating'))
->where($db->quoteName('content_id') . ' = ' . (int) $pk);
// Set the query and load the result.
$db->setQuery($query);
// Check for a database error.
try
{
$rating = $db->loadObject();
}
catch (RuntimeException $e)
{
throw new Exception($e->getMessage(), 500);
}
// There are no ratings yet, so lets insert our rating
if ( ! $rating)
{
$query = $db->getQuery(true);
// Create the base insert statement.
$query->insert($db->quoteName('#__content_rating'))
->columns([$db->quoteName('content_id'), $db->quoteName('lastip'), $db->quoteName('rating_sum'), $db->quoteName('rating_count')])
->values((int) $pk . ', ' . $db->quote($userIP) . ',' . (int) $rate . ', 1');
// Set the query and execute the insert.
$db->setQuery($query);
try
{
$db->execute();
}
catch (RuntimeException $e)
{
throw new Exception($e->getMessage(), 500);
}
}
else
{
if ($userIP != ($rating->lastip))
{
$query = $db->getQuery(true);
// Create the base update statement.
$query->update($db->quoteName('#__content_rating'))
->set($db->quoteName('rating_count') . ' = rating_count + 1')
->set($db->quoteName('rating_sum') . ' = rating_sum + ' . (int) $rate)
->set($db->quoteName('lastip') . ' = ' . $db->quote($userIP))
->where($db->quoteName('content_id') . ' = ' . (int) $pk);
// Set the query and execute the update.
$db->setQuery($query);
try
{
$db->execute();
}
catch (RuntimeException $e)
{
throw new Exception($e->getMessage(), 500);
}
}
else
{
return false;
}
}
return true;
}
JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('COM_CONTENT_INVALID_RATING', $rate), "JModelArticle::storeVote($rate)");
return false;
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @return void
* @since 1.6
*
*/
protected function populateState()
{
$app = JFactory::getApplication('site');
$params = new Registry;
if (is_a($app, 'Joomla\CMS\Application\SiteApplication'))
{
// Load the parameters.
$params = $app->getParams();
}
else
{
$app = CMSApplication::getInstance('site');
}
// Load state from the request.
$pk = $app->input->getInt('id');
$this->setState('article.id', $pk);
$offset = $app->input->getUInt('a_limitstart');
$this->setState('list.offset', $offset);
$this->setState('params', $params);
}
}