<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_content
 *
 * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * Content Component Controller
 *
 * @since  1.5
 */
class ContentController extends JControllerLegacy
{
	/**
	 * Constructor.
	 *
	 * @param   array  $config  An optional associative array of configuration settings.
	 * Recognized key values include 'name', 'default_task', 'model_path', and
	 * 'view_path' (this list is not meant to be comprehensive).
	 *
	 * @since   12.2
	 */
	public function __construct($config = array())
	{
		$this->input = JFactory::getApplication()->input;

		// Article frontpage Editor pagebreak proxying:
		if ($this->input->get('view') === 'article' && $this->input->get('layout') === 'pagebreak')
		{
			$config['base_path'] = JPATH_COMPONENT_ADMINISTRATOR;
		}
		// Article frontpage Editor article proxying:
		elseif ($this->input->get('view') === 'articles' && $this->input->get('layout') === 'modal')
		{
			JHtml::_('stylesheet', 'system/adminlist.css', array('version' => 'auto', 'relative' => true));
			$config['base_path'] = JPATH_COMPONENT_ADMINISTRATOR;
		}

		parent::__construct($config);
	}

	/**
	 * Method to display a view.
	 *
	 * @param   boolean  $cachable   If true, the view output will be cached.
	 * @param   boolean  $urlparams  An array of safe URL parameters and their variable types, for valid values see {@link JFilterInput::clean()}.
	 *
	 * @return  JController  This object to support chaining.
	 *
	 * @since   1.5
	 */
	public function display($cachable = false, $urlparams = false)
	{
		$cachable = true;

		/**
		 * Set the default view name and format from the Request.
		 * Note we are using a_id to avoid collisions with the router and the return page.
		 * Frontend is a bit messier than the backend.
		 */
		$id    = $this->input->getInt('a_id');
		$vName = $this->input->getCmd('view', 'categories');
		$this->input->set('view', $vName);

		$user = JFactory::getUser();

		if ($user->get('id')
			|| ($this->input->getMethod() === 'POST'
			&& (($vName === 'category' && $this->input->get('layout') !== 'blog') || $vName === 'archive' )))
		{
			$cachable = false;
		}

		$safeurlparams = array(
			'catid' => 'INT',
			'id' => 'INT',
			'cid' => 'ARRAY',
			'year' => 'INT',
			'month' => 'INT',
			'limit' => 'UINT',
			'limitstart' => 'UINT',
			'showall' => 'INT',
			'return' => 'BASE64',
			'filter' => 'STRING',
			'filter_order' => 'CMD',
			'filter_order_Dir' => 'CMD',
			'filter-search' => 'STRING',
			'print' => 'BOOLEAN',
			'lang' => 'CMD',
			'Itemid' => 'INT');

		// Check for edit form.
		if ($vName === 'form' && !$this->checkEditId('com_content.edit.article', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			return JError::raiseError(403, JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id));
		}

		if ($vName === 'article')
		{
			// Get/Create the model
			if ($model = $this->getModel($vName))
			{
				$model->hit();
			}
		}

		parent::display($cachable, $safeurlparams);

		return $this;
	}
}
