<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_content
 *
 * @copyright   Copyright (C) 2005 - 2018 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\Utilities\ArrayHelper;

/**
 * The article controller
 *
 * @since  1.6
 */
class ContentControllerArticle extends JControllerForm
{
	/**
	 * Class constructor.
	 *
	 * @param   array  $config  A named array of configuration variables.
	 *
	 * @since   1.6
	 */
	public function __construct($config = array())
	{
		parent::__construct($config);

		// An article edit form can come from the articles or featured view.
		// Adjust the redirect view on the value of 'return' in the request.
		if ($this->input->get('return') == 'featured')
		{
			$this->view_list = 'featured';
			$this->view_item = 'article&return=featured';
		}
	}

	/**
	 * Method override to check if you can add a new record.
	 *
	 * @param   array  $data  An array of input data.
	 *
	 * @return  boolean
	 *
	 * @since   1.6
	 */
	protected function allowAdd($data = array())
	{
		$categoryId = ArrayHelper::getValue($data, 'catid', $this->input->getInt('filter_category_id'), 'int');
		$allow = null;

		if ($categoryId)
		{
			// If the category has been passed in the data or URL check it.
			$allow = JFactory::getUser()->authorise('core.create', 'com_content.category.' . $categoryId);
		}

		if ($allow === null)
		{
			// In the absense of better information, revert to the component permissions.
			return parent::allowAdd();
		}

		return $allow;
	}

	/**
	 * Method override to check if you can edit an existing record.
	 *
	 * @param   array   $data  An array of input data.
	 * @param   string  $key   The name of the key for the primary key.
	 *
	 * @return  boolean
	 *
	 * @since   1.6
	 */
	protected function allowEdit($data = array(), $key = 'id')
	{
		$recordId = (int) isset($data[$key]) ? $data[$key] : 0;
		$user = JFactory::getUser();

		// Zero record (id:0), return component edit permission by calling parent controller method
		if (!$recordId)
		{
			return parent::allowEdit($data, $key);
		}

		// Check edit on the record asset (explicit or inherited)
		if ($user->authorise('core.edit', 'com_content.article.' . $recordId))
		{
			return true;
		}

		// Check edit own on the record asset (explicit or inherited)
		if ($user->authorise('core.edit.own', 'com_content.article.' . $recordId))
		{
			// Existing record already has an owner, get it
			$record = $this->getModel()->getItem($recordId);

			if (empty($record))
			{
				return false;
			}

			// Grant if current user is owner of the record
			return $user->id == $record->created_by;
		}

		return false;
	}

	/**
	 * Method to run batch operations.
	 *
	 * @param   object  $model  The model.
	 *
	 * @return  boolean   True if successful, false otherwise and internal error is set.
	 *
	 * @since   1.6
	 */
	public function batch($model = null)
	{
		JSession::checkToken() or jexit(JText::_('JINVALID_TOKEN'));

		// Set the model
		/** @var ContentModelArticle $model */
		$model = $this->getModel('Article', '', array());

		// Preset the redirect
		$this->setRedirect(JRoute::_('index.php?option=com_content&view=articles' . $this->getRedirectToListAppend(), false));

		return parent::batch($model);
	}
}
