/components/com_content/models/article.php
PHP | 306 lines | 188 code | 49 blank | 69 comment | 42 complexity | 75807245f8dde691d7d5ad921c287c66 MD5 | raw file
- <?php
- /**
- * @version $Id: article.php 20810 2011-02-21 20:01:22Z dextercowley $
- * @package Chola.Site
- * @subpackage com_content
- * @copyright Copyright (C) 2005 - 2011 Cholalabs Software LLP. All rights reserved.
- * @license GNU General Public License version 2 or later; see LICENSE.txt
- */
- // No direct access
- defined('_JEXEC') or die;
- jimport('chola.application.component.modelitem');
- /**
- * Content Component Article Model
- *
- * @package Chola.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::getInt('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- // If badcats is not null, this means that the article is inside an unpublished category
- // In this case, the state is set to 0 to indicate Unpublished (even if the article state is Published)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, ' .
- 'a.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
- $query->select('contact.id as contactid' ) ;
- $query->join('LEFT','#__contact_details 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 ) 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());
- $nowDate = $db->Quote(JFactory::getDate()->toMySQL());
- $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;
- $registry->loadJSON($data->attribs);
- $data->params = clone $this->getState('params');
- $data->params->merge($registry);
- $registry = new JRegistry;
- $registry->loadJSON($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)) {
- $data->params->set('access-edit', true);
- }
- // Now check if edit.own is available.
- else if (!empty($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;
- }
- }