Viewing file: 
article.php (10.42 KB) -rw-r--r--Select action/file-type:
(
+) |
(
+) |
(
+) |
Code (
+) |
Session (
+) |
(
+) |
SDB (
+) |
(
+) |
(
+) |
(
+) |
(
+) |
(
+) |
<?php
/**
* @package Joomla.Site
* @subpackage com_content
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// No direct access
defined('_JEXEC') or die;
jimport('joomla.application.component.modelitem');
/**
* Content Component Article Model
*
* @package Joomla.Site
* @subpackage com_content
* @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
*/
protected function populateState()
{
$app = JFactory::getApplication('site');
// Load state from the request.
$pk = JRequest::getInt('id');
$this->setState('article.id', $pk);
$offset = JRequest::getUInt('limitstart');
$this->setState('list.offset', $offset);
// Load the parameters.
$params = $app->getParams();
$this->setState('params', $params);
// TODO: Tune these values based on other permissions.
$user = JFactory::getUser();
if ((!$user->authorise('core.edit.state', 'com_content')) && (!$user->authorise('core.edit', 'com_content'))){
$this->setState('filter.published', 1);
$this->setState('filter.archived', 2);
}
}
/**
* Method to get article data.
*
* @param integer The id of the article.
*
* @return mixed Menu item data object on success, false on failure.
*/
public function &getItem($pk = null)
{
// Initialise variables.
$pk = (!empty($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);
$query->select($this->getState(
'item.select', 'a.id, a.asset_id, a.title, a.alias, a.title_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// If badcats is not null, this means that the article is inside an unpublished category
// In this case, the state is set to 0 to indicate Unpublished (even if the article state is Published)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.mask, a.catid, a.created, a.created_by, a.created_by_alias, ' .
// use created if modified is 0
'CASE WHEN a.modified = 0 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.parentid, 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');
$query->join('LEFT', '#__categories AS c on c.id = a.catid');
// Join on user table.
$query->select('u.name AS author');
$query->join('LEFT', '#__users AS u on u.id = a.created_by');
// Join on contact table
$subQuery = $db->getQuery(true);
$subQuery->select('contact.user_id, MAX(contact.id) AS id, contact.language');
$subQuery->from('#__contact_details AS contact');
$subQuery->where('contact.published = 1');
$subQuery->group('contact.user_id, contact.language');
$query->select('contact.id as contactid' );
$query->join('LEFT', '(' . $subQuery . ') AS contact ON contact.user_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');
$query->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');
$query->join('LEFT', '#__content_rating AS v ON a.id = v.content_id');
$query->where('a.id = ' . (int) $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 . ')');
$query->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')');
// 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');
// 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 = $db->loadObject();
if ($error = $db->getErrorMsg()) {
throw new Exception($error);
}
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 JRegistry;
$registry->loadString($data->attribs);
$data->params = clone $this->getState('params');
$data->params->merge($registry);
$registry = new JRegistry;
$registry->loadString($data->metadata);
$data->metadata = $registry;
// Compute selected asset permissions.
$user = JFactory::getUser();
// Technically guest could edit an article, but lets not check that to improve performance a little.
if (!$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 (JException $e)
{
if ($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 int Optional primary key of the article to increment.
*
* @return boolean True if successful; false otherwise and internal error set.
*/
public function hit($pk = 0)
{
$hitcount = JRequest::getInt('hitcount', 1);
if ($hitcount)
{
// Initialise variables.
$pk = (!empty($pk)) ? $pk : (int) $this->getState('article.id');
$db = $this->getDbo();
$db->setQuery(
'UPDATE #__content' .
' SET hits = hits + 1' .
' WHERE id = '.(int) $pk
);
if (!$db->query()) {
$this->setError($db->getErrorMsg());
return false;
}
}
return true;
}
public function storeVote($pk = 0, $rate = 0)
{
if ( $rate >= 1 && $rate <= 5 && $pk > 0 )
{
$userIP = $_SERVER['REMOTE_ADDR'];
$db = $this->getDbo();
$db->setQuery(
'SELECT *' .
' FROM #__content_rating' .
' WHERE content_id = '.(int) $pk
);
$rating = $db->loadObject();
if (!$rating)
{
// There are no ratings yet, so lets insert our rating
$db->setQuery(
'INSERT INTO #__content_rating ( content_id, lastip, rating_sum, rating_count )' .
' VALUES ( '.(int) $pk.', '.$db->Quote($userIP).', '.(int) $rate.', 1 )'
);
if (!$db->query()) {
$this->setError($db->getErrorMsg());
return false;
}
} else {
if ($userIP != ($rating->lastip))
{
$db->setQuery(
'UPDATE #__content_rating' .
' SET rating_count = rating_count + 1, rating_sum = rating_sum + '.(int) $rate.', lastip = '.$db->Quote($userIP) .
' WHERE content_id = '.(int) $pk
);
if (!$db->query()) {
$this->setError($db->getErrorMsg());
return false;
}
} else {
return false;
}
}
return true;
}
JError::raiseWarning( 'SOME_ERROR_CODE', JText::sprintf('COM_CONTENT_INVALID_RATING', $rate), "JModelArticle::storeVote($rate)");
return false;
}
}
