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<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_templates
 *
 * @copyright   (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Templates\Administrator\Model;

\defined('_JEXEC') or die;

use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\MVC\Model\ListModel;
use Joomla\Component\Templates\Administrator\Helper\TemplatesHelper;
use Joomla\Database\ParameterType;
use Joomla\String\StringHelper;

/**
 * Methods supporting a list of template extension records.
 *
 * @since  1.6
 */
class TemplatesModel extends ListModel
{
	/**
	 * Constructor.
	 *
	 * @param   array                $config   An optional associative array of configuration settings.
	 * @param   MVCFactoryInterface  $factory  The factory.
	 *
	 * @see     \Joomla\CMS\MVC\Model\BaseDatabaseModel
	 * @since   3.2
	 */
	public function __construct($config = array(), MVCFactoryInterface $factory = null)
	{
		if (empty($config['filter_fields']))
		{
			$config['filter_fields'] = array(
				'id', 'a.id',
				'name', 'a.name',
				'folder', 'a.folder',
				'element', 'a.element',
				'checked_out', 'a.checked_out',
				'checked_out_time', 'a.checked_out_time',
				'state', 'a.state',
				'enabled', 'a.enabled',
				'ordering', 'a.ordering',
			);
		}

parent::__construct($config, $factory);
	}

/**
	 * Override parent getItems to add extra XML metadata.
	 *
	 * @return  array
	 *
	 * @since   1.6
	 */
	public function getItems()
	{
		$items = parent::getItems();

foreach ($items as &$item)
		{
			$client = ApplicationHelper::getClientInfo($item->client_id);
			$item->xmldata = TemplatesHelper::parseXMLTemplateFile($client->path, $item->element);
			$num = $this->updated($item->extension_id);

if ($num)
			{
				$item->updated = $num;
			}
		}

return $items;
	}

/**
	 * Check if template extension have any updated override.
	 *
	 * @param   integer  $exid  Extension id of template.
	 *
	 * @return   boolean  False if records not found/else integer.
	 *
	 * @since   4.0.0
	 */
	public function updated($exid)
	{
		$db = $this->getDbo();

// Select the required fields from the table
		$query = $db->getQuery(true)
			->select($db->quoteName('template'))
			->from($db->quoteName('#__template_overrides'))
			->where($db->quoteName('extension_id') . ' = :extensionid')
			->where($db->quoteName('state') . ' = 0')
			->bind(':extensionid', $exid, ParameterType::INTEGER);

// Reset the query.
		$db->setQuery($query);

// Load the results as a list of stdClass objects.
		$num = count($db->loadObjectList());

if ($num > 0)
		{
			return $num;
		}

return false;
	}

/**
	 * Build an SQL query to load the list data.
	 *
	 * @return  \JDatabaseQuery
	 *
	 * @since   1.6
	 */
	protected function getListQuery()
	{
		// Create a new query object.
		$db = $this->getDbo();
		$query = $db->getQuery(true);

// Select the required fields from the table.
		$query->select(
			$this->getState(
				'list.select',
				'a.extension_id, a.name, a.element, a.client_id'
			)
		);
		$clientId = (int) $this->getState('client_id');
		$query->from($db->quoteName('#__extensions', 'a'))
			->where($db->quoteName('a.client_id') . ' = :clientid')
			->where($db->quoteName('a.enabled') . ' = 1')
			->where($db->quoteName('a.type') . ' = ' . $db->quote('template'))
			->bind(':clientid', $clientId, ParameterType::INTEGER);

// Filter by search in title.
		if ($search = $this->getState('filter.search'))
		{
			if (stripos($search, 'id:') === 0)
			{
				$ids = (int) substr($search, 3);
				$query->where($db->quoteName('a.id') . ' = :id');
				$query->bind(':id', $ids, ParameterType::INTEGER);
			}
			else
			{
				$search = '%' . StringHelper::strtolower($search) . '%';
				$query->extendWhere(
					'AND',
					[
						'LOWER(' . $db->quoteName('a.element') . ') LIKE :element',
						'LOWER(' .  $db->quoteName('a.name') . ') LIKE :name',
					],
					'OR'
				)
					->bind(':element', $search)
					->bind(':name', $search);
			}
		}

// Add the list ordering clause.
		$query->order($db->escape($this->getState('list.ordering', 'a.element')) . ' ' . $db->escape($this->getState('list.direction', 'ASC')));

return $query;
	}

/**
	 * Method to get a store id based on model configuration state.
	 *
	 * This is necessary because the model is used by the component and
	 * different modules that might need different sets of data or different
	 * ordering requirements.
	 *
	 * @param   string  $id  A prefix for the store id.
	 *
	 * @return  string  A store id.
	 *
	 * @since   1.6
	 */
	protected function getStoreId($id = '')
	{
		// Compile the store id.
		$id .= ':' . $this->getState('client_id');
		$id .= ':' . $this->getState('filter.search');

return parent::getStoreId($id);
	}

/**
	 * Method to auto-populate the model state.
	 *
	 * Note. Calling getState in this method will result in recursion.
	 *
	 * @param   string  $ordering   An optional ordering field.
	 * @param   string  $direction  An optional direction (asc|desc).
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function populateState($ordering = 'a.element', $direction = 'asc')
	{
		// Load the filter state.
		$this->setState('filter.search', $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search', '', 'string'));

// Special case for the client id.
		$clientId = (int) $this->getUserStateFromRequest($this->context . '.client_id', 'client_id', 0, 'int');
		$clientId = (!in_array($clientId, array (0, 1))) ? 0 : $clientId;
		$this->setState('client_id', $clientId);

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

// List state information.
		parent::populateState($ordering, $direction);
	}
}