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<?php
/**
* @package Joomla.Site
* @subpackage com_content
*
* @copyright (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\Registry\Registry;
use Joomla\Utilities\IpHelper;
/**
* Content Component Article Model
*
* @since 1.5
*/
class ContentModelArticle extends JModelItem
{
/**
* Model context string.
*
* @var string
*/
protected $_context = 'com_content.article';
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @since 1.6
*
* @return void
*/
protected function populateState()
{
$app = JFactory::getApplication('site');
// Load state from the request.
$pk = $app->input->getInt('id');
$this->setState('article.id', $pk);
$offset = $app->input->getUInt('limitstart');
$this->setState('list.offset', $offset);
// Load the parameters.
$params = $app->getParams();
$this->setState('params', $params);
$user = JFactory::getUser();
// If $pk is set then authorise on complete asset, else on component only
$asset = empty($pk) ? 'com_content' : 'com_content.article.' . $pk;
if ((!$user->authorise('core.edit.state', $asset)) && (!$user->authorise('core.edit', $asset)))
{
$this->setState('filter.published', 1);
$this->setState('filter.archived', 2);
}
$this->setState('filter.language', JLanguageMultilang::isEnabled());
}
/**
* 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::getUser();
$pk = (!empty($pk)) ? $pk : (int) $this->getState('article.id');
if ($this->_item === null)
{
$this->_item = array();
}
if (!isset($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, ' .
'a.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')
->where('a.id = ' . (int) $pk);
// Join on category table.
$query->select('c.title AS category_title, c.alias AS category_alias, c.access AS category_access')
->innerJoin('#__categories AS c on c.id = a.catid')
->where('c.published > 0');
// Join on user table.
$query->select('u.name AS author')
->join('LEFT', '#__users AS u on u.id = a.created_by');
// Filter by language
if ($this->getState('filter.language'))
{
$query->where('a.language in (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ')');
}
// 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
$query->select('ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count')
->join('LEFT', '#__content_rating AS v ON a.id = v.content_id');
if ((!$user->authorise('core.edit.state', 'com_content.article.' . $pk)) && (!$user->authorise('core.edit', 'com_content.article.' . $pk)))
{
// Filter by start and end dates.
$nullDate = $db->quote($db->getNullDate());
$date = JFactory::getDate();
$nowDate = $db->quote($date->toSql());
$query->where('(a.publish_up = ' . $nullDate . ' OR a.publish_up <= ' . $nowDate . ')')
->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')');
}
// Filter by published state.
$published = $this->getState('filter.published');
$archived = $this->getState('filter.archived');
if (is_numeric($published))
{
$query->where('(a.state = ' . (int) $published . ' OR a.state =' . (int) $archived . ')');
}
$db->setQuery($query);
$data = $db->loadObject();
if (empty($data))
{
return JError::raiseError(404, JText::_('COM_CONTENT_ERROR_ARTICLE_NOT_FOUND'));
}
// Check for published state if filter set.
if ((is_numeric($published) || is_numeric($archived)) && (($data->state != $published) && ($data->state != $archived)))
{
return JError::raiseError(404, JText::_('COM_CONTENT_ERROR_ARTICLE_NOT_FOUND'));
}
// Convert parameter fields to objects.
$registry = new Registry($data->attribs);
$data->params = clone $this->getState('params');
$data->params->merge($registry);
$data->metadata = new Registry($data->metadata);
// 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)
{
$data->params->set('access-edit', true);
}
}
}
// Compute view access permissions.
if ($access = $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::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.
JError::raiseError(404, $e->getMessage());
}
else
{
$this->setError($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');
$table->hit($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 = IpHelper::getIp();
// 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)
{
JError::raiseWarning(500, $e->getMessage());
return false;
}
// There are no ratings yet, so lets insert our rating
if (!$rating)
{
$query = $db->getQuery(true);
// Create the base insert statement.
$query->insert($db->quoteName('#__content_rating'))
->columns(array($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)
{
JError::raiseWarning(500, $e->getMessage());
return false;
}
}
else
{
if ($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)
{
JError::raiseWarning(500, $e->getMessage());
return false;
}
}
else
{
return false;
}
}
$this->cleanCache();
return true;
}
JError::raiseWarning(500, JText::sprintf('COM_CONTENT_INVALID_RATING', $rate), "JModelArticle::storeVote($rate)");
return false;
}
/**
* Cleans the cache of com_content and content modules
*
* @param string $group The cache group
* @param integer $clientId The ID of the client
*
* @return void
*
* @since 3.9.9
*/
protected function cleanCache($group = null, $clientId = 0)
{
parent::cleanCache('com_content');
parent::cleanCache('mod_articles_archive');
parent::cleanCache('mod_articles_categories');
parent::cleanCache('mod_articles_category');
parent::cleanCache('mod_articles_latest');
parent::cleanCache('mod_articles_news');
parent::cleanCache('mod_articles_popular');
}
}