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Path : /home/admin/public_html/old/components/com_newsfeeds/models/
Current File : /home/admin/public_html/old/components/com_newsfeeds/models/newsfeed.php
<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_newsfeeds
 *
 * @copyright   Copyright (C) 2005 - 2015 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\Registry\Registry;

/**
 * Newsfeeds Component Newsfeed Model
 *
 * @since  1.5
 */
class NewsfeedsModelNewsfeed extends JModelItem
{
	/**
	 * Model context string.
	 *
	 * @var		string
	 * @since   1.6
	 */
	protected $_context = 'com_newsfeeds.newsfeed';

	/**
	 * 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');

		// Load state from the request.
		$pk = $app->input->getInt('id');
		$this->setState('newsfeed.id', $pk);

		$offset = $app->input->get('limitstart', 0, 'uint');
		$this->setState('list.offset', $offset);

		// Load the parameters.
		$params = $app->getParams();
		$this->setState('params', $params);

		$user = JFactory::getUser();

		if ((!$user->authorise('core.edit.state', 'com_newsfeeds')) && (!$user->authorise('core.edit', 'com_newsfeeds')))
		{
			$this->setState('filter.published', 1);
			$this->setState('filter.archived', 2);
		}
	}

	/**
	 * Method to get newsfeed data.
	 *
	 * @param   integer  $pk  The id of the newsfeed.
	 *
	 * @return  mixed  Menu item data object on success, false on failure.
	 *
	 * @since   1.6
	 */
	public function &getItem($pk = null)
	{
		$pk = (!empty($pk)) ? $pk : (int) $this->getState('newsfeed.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.*'))
					->from('#__newsfeeds 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')

					->where('a.id = ' . (int) $pk);

				// Filter by start and end dates.
				$nullDate = $db->quote($db->getNullDate());
				$nowDate = $db->quote(JFactory::getDate()->toSql());

				// Filter by published state.
				$published = $this->getState('filter.published');
				$archived = $this->getState('filter.archived');

				if (is_numeric($published))
				{
					$query->where('(a.published = ' . (int) $published . ' OR a.published =' . (int) $archived . ')')
						->where('(a.publish_up = ' . $nullDate . ' OR a.publish_up <= ' . $nowDate . ')')
						->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')')
						->where('(c.published = ' . (int) $published . ' OR c.published =' . (int) $archived . ')');
				}

				$db->setQuery($query);

				$data = $db->loadObject();

				if (empty($data))
				{
					JError::raiseError(404, JText::_('COM_NEWSFEEDS_ERROR_FEED_NOT_FOUND'));
				}

				// Check for published state if filter set.

				if (((is_numeric($published)) || (is_numeric($archived))) && (($data->published != $published) && ($data->published != $archived)))
				{
					JError::raiseError(404, JText::_('COM_NEWSFEEDS_ERROR_FEED_NOT_FOUND'));
				}

				// Convert parameter fields to objects.
				$registry = new Registry;
				$registry->loadString($data->params);
				$data->params = clone $this->getState('params');
				$data->params->merge($registry);

				$registry = new Registry;
				$registry->loadString($data->metadata);
				$data->metadata = $registry;

				// Compute 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();
					$data->params->set('access-view', in_array($data->access, $groups) && in_array($data->category_access, $groups));
				}

				$this->_item[$pk] = $data;
			}
			catch (Exception $e)
			{
				$this->setError($e);
				$this->_item[$pk] = false;
			}
		}

		return $this->_item[$pk];
	}

	/**
	 * Increment the hit counter for the newsfeed.
	 *
	 * @param   int  $pk  Optional primary key of the item to increment.
	 *
	 * @return  boolean  True if successful; false otherwise and internal error set.
	 *
	 * @since   3.0
	 */
	public function hit($pk = 0)
	{
		$input = JFactory::getApplication()->input;
		$hitcount = $input->getInt('hitcount', 1);

		if ($hitcount)
		{
			$pk = (!empty($pk)) ? $pk : (int) $this->getState('newsfeed.id');

			$table = JTable::getInstance('Newsfeed', 'NewsfeedsTable');
			$table->load($pk);
			$table->hit($pk);
		}

		return true;
	}
}
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