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<?php
/**
* @version		3.2
* @author		Michael A. Gilkes (michael@valorapps.com)
* @copyright	Michael Albert Gilkes
* @license		GNU/GPLv3

Easy Folder Listing Pro Component for Joomla!
Copyright (C) 2012-2016 Michael Albert Gilkes (Valor Apps)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

// No direct access to this file
defined('_JEXEC') or die('Restricted access');


/**
 * EasyFolderListingPro Profiles Model
 */
class EasyFolderListingProModelProfiles extends JModelList
{
	public function __construct($config = array())
	{
		/* Add all fields that may be filtered and sorted */
		if (empty($config['filter_fields']))
		{
			$config['filter_fields'] = array(
				'id', 'a.id',
				'title', 'a.title',
				'folder', 'a.folder',
				'published', 'a.published',
				'checked_out', 'a.checked_out',
				'checked_out_time', 'a.checked_out_time',
				'access', 'a.access', 'access_level',
			);
		}

		parent::__construct($config);
	}
	
	protected function getStoreId($id = '')
	{
		// Compile the store id.
		$id	.= ':'.$this->getState('filter.search');
		$id	.= ':'.$this->getState('filter.access');
		$id	.= ':'.$this->getState('filter.published');

		return parent::getStoreId($id);
	}
	
	public function getTable($type = 'Profile', $prefix = 'EasyFolderListingProTable', $config = array())
	{
		return JTable::getInstance($type, $prefix, $config);
	}
	
	protected function populateState($ordering = null, $direction = null)
	{
		$app = JFactory::getApplication('administrator');

		//Adjust the context to support modal layouts.
		if ($layout = $app->input->get('layout'))
		{
			$this->context .= '.' . $layout;
		}

		//Load the filter state.
		$search = $this->getUserStateFromRequest($this->context.'.filter.search', 'filter_search');
		$this->setState('filter.search', $search);

		$published = $this->getUserStateFromRequest($this->context.'.filter.published', 'filter_published', '');
		$this->setState('filter.published', $published);

		$access = $this->getUserStateFromRequest($this->context.'.filter.access', 'filter_access', 0, 'int');
		$this->setState('filter.access', $access);

		//List state information.
		parent::populateState('a.title', 'asc');
	}
	
	function getListQuery()
	{
		//Create a new query object.
		$db		= $this->getDbo();
		$query	= $db->getQuery(true);
		$user	= JFactory::getUser();

		// Select the required fields from the table.
		$query->select(
			$this->getState(
				'list.select',
				'a.id, a.title, a.folder, a.published, a.access, a.checked_out, a.checked_out_time'
			)
		);
		$query->from('#__eflp_profiles AS a');

		//Join over the users for the checked out user.
		$query->select('uc.name AS editor');
		$query->join('LEFT', '#__users AS uc ON uc.id=a.checked_out');

		//Join over the asset groups.
		$query->select('ag.title AS access_level');
		$query->join('LEFT', '#__viewlevels AS ag ON ag.id = a.access');

		//Filter by access level.
		if ($access = $this->getState('filter.access'))
		{
			$query->where('a.access = ' . (int) $access);
		}

		//Implement View Level Access
		if (!$user->authorise('core.admin'))
		{
		    $groups	= implode(',', $user->getAuthorisedViewLevels());
			$query->where('a.access IN ('.$groups.')');
		}

		//Filter by published state
		$published = $this->getState('filter.published');
		if (is_numeric($published))
		{
			$query->where('a.published = ' . (int) $published);
		}
		elseif ($published === '')
		{
			$query->where('(a.published IN (0, 1))');
		}

		// Filter by search in title
		$search = $this->getState('filter.search');
		if (!empty($search))
		{
			if (stripos($search, 'id:') === 0)
			{
				$query->where('a.id = '.(int) substr($search, 3));
			}
			else
			{
				$search = $db->Quote('%'.$db->escape($search, true).'%');
				$query->where('(a.title LIKE '.$search.' OR a.folder LIKE '.$search.')');
			}
		}

		// Add the list ordering clause.
		$orderCol = $this->state->get('list.ordering', 'a.title');
		$orderDirn = $this->state->get('list.direction', 'asc');
		
		//sqlsrv change: since you can't order by an alias in sqlsvr
		if ($orderCol == 'access_level')
		{
			$orderCol = 'ag.title';
		}
		$query->order($db->escape($orderCol . ' ' . $orderDirn));

		return $query;
	}
}