357 lines
10 KiB
PHP
357 lines
10 KiB
PHP
<?php
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/**
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* @package Joomla.Site
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* @subpackage com_content
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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/**
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* Content Component Article Model
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*
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* @package Joomla.Site
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* @subpackage com_content
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* @since 1.5
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*/
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class ContentModelArticle extends JModelItem
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{
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/**
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* Model context string.
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*
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* @var string
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*/
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protected $_context = 'com_content.article';
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/**
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* Method to auto-populate the model state.
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*
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* Note. Calling getState in this method will result in recursion.
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*
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* @since 1.6
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*/
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protected function populateState()
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{
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$app = JFactory::getApplication('site');
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// Load state from the request.
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$pk = $app->input->getInt('id');
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$this->setState('article.id', $pk);
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$offset = $app->input->getUInt('limitstart');
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$this->setState('list.offset', $offset);
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// Load the parameters.
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$params = $app->getParams();
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$this->setState('params', $params);
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// TODO: Tune these values based on other permissions.
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$user = JFactory::getUser();
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if ((!$user->authorise('core.edit.state', 'com_content')) && (!$user->authorise('core.edit', 'com_content')))
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{
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$this->setState('filter.published', 1);
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$this->setState('filter.archived', 2);
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}
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$this->setState('filter.language', JLanguageMultilang::isEnabled());
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}
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/**
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* Method to get article data.
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*
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* @param integer The id of the article.
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*
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* @return mixed Menu item data object on success, false on failure.
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*/
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public function getItem($pk = null)
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{
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$pk = (!empty($pk)) ? $pk : (int) $this->getState('article.id');
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if ($this->_item === null)
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{
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$this->_item = array();
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}
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if (!isset($this->_item[$pk]))
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{
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try
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{
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$db = $this->getDbo();
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$query = $db->getQuery(true)
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->select(
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$this->getState(
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'item.select', 'a.id, a.asset_id, a.title, a.alias, a.introtext, a.fulltext, ' .
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// If badcats is not null, this means that the article is inside an unpublished category
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// In this case, the state is set to 0 to indicate Unpublished (even if the article state is Published)
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'CASE WHEN badcats.id is null THEN a.state ELSE 0 END AS state, ' .
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'a.catid, a.created, a.created_by, a.created_by_alias, ' .
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// use created if modified is 0
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'CASE WHEN a.modified = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.modified END as modified, ' .
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'a.modified_by, a.checked_out, a.checked_out_time, a.publish_up, a.publish_down, ' .
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'a.images, a.urls, a.attribs, a.version, a.ordering, ' .
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'a.metakey, a.metadesc, a.access, a.hits, a.metadata, a.featured, a.language, a.xreference'
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)
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);
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$query->from('#__content AS a');
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// Join on category table.
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$query->select('c.title AS category_title, c.alias AS category_alias, c.access AS category_access')
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->join('LEFT', '#__categories AS c on c.id = a.catid');
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// Join on user table.
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$query->select('u.name AS author')
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->join('LEFT', '#__users AS u on u.id = a.created_by');
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// Get contact id
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$subQuery = $db->getQuery(true)
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->select('MAX(contact.id) AS id')
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->from('#__contact_details AS contact')
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->where('contact.published = 1')
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->where('contact.user_id = a.created_by');
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// Filter by language
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if ($this->getState('filter.language'))
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{
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$subQuery->where('(contact.language in (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ') OR contact.language IS NULL)');
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}
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$query->select('(' . $subQuery . ') as contactid');
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// Filter by language
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if ($this->getState('filter.language'))
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{
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$query->where('a.language in (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ')');
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}
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// Join over the categories to get parent category titles
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$query->select('parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias')
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->join('LEFT', '#__categories as parent ON parent.id = c.parent_id');
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// Join on voting table
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$query->select('ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count')
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->join('LEFT', '#__content_rating AS v ON a.id = v.content_id')
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->where('a.id = ' . (int) $pk);
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// Filter by start and end dates.
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$nullDate = $db->quote($db->getNullDate());
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$date = JFactory::getDate();
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$nowDate = $db->quote($date->toSql());
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$query->where('(a.publish_up = ' . $nullDate . ' OR a.publish_up <= ' . $nowDate . ')')
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->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')');
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// Join to check for category published state in parent categories up the tree
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// If all categories are published, badcats.id will be null, and we just use the article state
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$subquery = ' (SELECT cat.id as id FROM #__categories AS cat JOIN #__categories AS parent ';
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$subquery .= 'ON cat.lft BETWEEN parent.lft AND parent.rgt ';
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$subquery .= 'WHERE parent.extension = ' . $db->quote('com_content');
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$subquery .= ' AND parent.published <= 0 GROUP BY cat.id)';
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$query->join('LEFT OUTER', $subquery . ' AS badcats ON badcats.id = c.id');
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// Filter by published state.
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$published = $this->getState('filter.published');
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$archived = $this->getState('filter.archived');
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if (is_numeric($published))
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{
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$query->where('(a.state = ' . (int) $published . ' OR a.state =' . (int) $archived . ')');
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}
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$db->setQuery($query);
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$data = $db->loadObject();
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if (empty($data))
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{
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return JError::raiseError(404, JText::_('COM_CONTENT_ERROR_ARTICLE_NOT_FOUND'));
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}
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// Check for published state if filter set.
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if (((is_numeric($published)) || (is_numeric($archived))) && (($data->state != $published) && ($data->state != $archived)))
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{
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return JError::raiseError(404, JText::_('COM_CONTENT_ERROR_ARTICLE_NOT_FOUND'));
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}
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// Convert parameter fields to objects.
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$registry = new JRegistry;
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$registry->loadString($data->attribs);
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$data->params = clone $this->getState('params');
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$data->params->merge($registry);
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$registry = new JRegistry;
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$registry->loadString($data->metadata);
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$data->metadata = $registry;
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// Compute selected asset permissions.
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$user = JFactory::getUser();
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// Technically guest could edit an article, but lets not check that to improve performance a little.
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if (!$user->get('guest'))
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{
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$userId = $user->get('id');
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$asset = 'com_content.article.' . $data->id;
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// Check general edit permission first.
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if ($user->authorise('core.edit', $asset))
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{
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$data->params->set('access-edit', true);
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}
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// Now check if edit.own is available.
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elseif (!empty($userId) && $user->authorise('core.edit.own', $asset))
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{
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// Check for a valid user and that they are the owner.
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if ($userId == $data->created_by)
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{
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$data->params->set('access-edit', true);
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}
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}
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}
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// Compute view access permissions.
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if ($access = $this->getState('filter.access'))
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{
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// If the access filter has been set, we already know this user can view.
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$data->params->set('access-view', true);
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}
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else
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{
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// If no access filter is set, the layout takes some responsibility for display of limited information.
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$user = JFactory::getUser();
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$groups = $user->getAuthorisedViewLevels();
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if ($data->catid == 0 || $data->category_access === null)
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{
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$data->params->set('access-view', in_array($data->access, $groups));
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}
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else
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{
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$data->params->set('access-view', in_array($data->access, $groups) && in_array($data->category_access, $groups));
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}
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}
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$this->_item[$pk] = $data;
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}
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catch (Exception $e)
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{
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if ($e->getCode() == 404)
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{
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// Need to go thru the error handler to allow Redirect to work.
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JError::raiseError(404, $e->getMessage());
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}
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else
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{
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$this->setError($e);
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$this->_item[$pk] = false;
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}
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}
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}
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return $this->_item[$pk];
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}
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/**
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* Increment the hit counter for the article.
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*
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* @param integer Optional primary key of the article to increment.
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*
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* @return boolean True if successful; false otherwise and internal error set.
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*/
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public function hit($pk = 0)
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{
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$input = JFactory::getApplication()->input;
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$hitcount = $input->getInt('hitcount', 1);
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if ($hitcount)
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{
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$pk = (!empty($pk)) ? $pk : (int) $this->getState('article.id');
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$db = $this->getDbo();
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$db->setQuery(
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'UPDATE #__content' .
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' SET hits = hits + 1' .
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' WHERE id = ' . (int) $pk
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);
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try
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{
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$db->execute();
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}
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catch (RuntimeException $e)
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{
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$this->setError($e->getMessage());
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return false;
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}
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}
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return true;
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}
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public function storeVote($pk = 0, $rate = 0)
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{
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if ($rate >= 1 && $rate <= 5 && $pk > 0)
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{
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$userIP = $_SERVER['REMOTE_ADDR'];
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$db = $this->getDbo();
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$db->setQuery(
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'SELECT *' .
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' FROM #__content_rating' .
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' WHERE content_id = ' . (int) $pk
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);
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$rating = $db->loadObject();
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if (!$rating)
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{
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// There are no ratings yet, so lets insert our rating
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$db->setQuery(
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'INSERT INTO #__content_rating ( content_id, lastip, rating_sum, rating_count )' .
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' VALUES ( ' . (int) $pk . ', ' . $db->quote($userIP) . ', ' . (int) $rate . ', 1 )'
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);
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try
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{
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$db->execute();
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}
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catch (RuntimeException $e)
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{
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$this->setError($e->getMessage);
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return false;
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}
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}
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else
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{
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if ($userIP != ($rating->lastip))
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{
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$db->setQuery(
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'UPDATE #__content_rating' .
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' SET rating_count = rating_count + 1, rating_sum = rating_sum + ' . (int) $rate . ', lastip = ' . $db->quote($userIP) .
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' WHERE content_id = ' . (int) $pk
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);
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try
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{
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$db->execute();
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}
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catch (RuntimeException $e)
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{
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$this->setError($e->getMessage);
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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return true;
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}
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JError::raiseWarning('SOME_ERROR_CODE', JText::sprintf('COM_CONTENT_INVALID_RATING', $rate), "JModelArticle::storeVote($rate)");
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return false;
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}
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}
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