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<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_plugins
 *
 * @copyright   (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */
namespace Joomla\Component\Plugins\Administrator\Model;

\defined('_JEXEC') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\MVC\Model\ListModel;
use Joomla\Database\ParameterType;
use Joomla\Utilities\ArrayHelper;

/**
 * Methods supporting a list of plugin records.
 *
 * @since  1.6
 */
class PluginsModel 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(
				'extension_id', 'a.extension_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',
				'access', 'a.access', 'access_level',
				'ordering', 'a.ordering',
				'client_id', 'a.client_id',
			);
		}

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

/**
	 * 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 = 'folder', $direction = 'asc')
	{
		// Load the parameters.
		$params = ComponentHelper::getParams('com_plugins');
		$this->setState('params', $params);

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

/**
	 * 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  $id  A prefix for the store id.
	 *
	 * @return  string       A store id.
	 */
	protected function getStoreId($id = '')
	{
		// Compile the store id.
		$id .= ':' . $this->getState('filter.search');
		$id .= ':' . $this->getState('filter.access');
		$id .= ':' . $this->getState('filter.enabled');
		$id .= ':' . $this->getState('filter.folder');
		$id .= ':' . $this->getState('filter.element');

return parent::getStoreId($id);
	}

/**
	 * Returns an object list.
	 *
	 * @param   \JDatabaseQuery  $query       A database query object.
	 * @param   integer          $limitstart  Offset.
	 * @param   integer          $limit       The number of records.
	 *
	 * @return  array
	 */
	protected function _getList($query, $limitstart = 0, $limit = 0)
	{
		$search = $this->getState('filter.search');
		$ordering = $this->getState('list.ordering', 'ordering');

// If "Sort Table By:" is not set, set ordering to name
		if ($ordering == '')
		{
			$ordering = 'name';
		}

if ($ordering == 'name' || (!empty($search) && stripos($search, 'id:') !== 0))
		{
			$this->_db->setQuery($query);
			$result = $this->_db->loadObjectList();
			$this->translate($result);

if (!empty($search))
			{
				$escapedSearchString = $this->refineSearchStringToRegex($search, '/');

foreach ($result as $i => $item)
				{
					if (!preg_match("/$escapedSearchString/i", $item->name))
					{
						unset($result[$i]);
					}
				}
			}

$orderingDirection = strtolower($this->getState('list.direction'));
			$direction         = ($orderingDirection == 'desc') ? -1 : 1;
			$result = ArrayHelper::sortObjects($result, $ordering, $direction, true, true);

$total = count($result);
			$this->cache[$this->getStoreId('getTotal')] = $total;

if ($total < $limitstart)
			{
				$limitstart = 0;
			}

$this->cache[$this->getStoreId('getStart')] = $limitstart;

return array_slice($result, $limitstart, $limit ?: null);
		}
		else
		{
			if ($ordering == 'ordering')
			{
				$query->order('a.folder ASC');
				$ordering = 'a.ordering';
			}

$query->order($this->_db->quoteName($ordering) . ' ' . $this->getState('list.direction'));

if ($ordering == 'folder')
			{
				$query->order('a.ordering ASC');
			}

$result = parent::_getList($query, $limitstart, $limit);
			$this->translate($result);

return $result;
		}
	}

/**
	 * Translate a list of objects.
	 *
	 * @param   array  &$items  The array of objects.
	 *
	 * @return  array The array of translated objects.
	 */
	protected function translate(&$items)
	{
		$lang = Factory::getLanguage();

foreach ($items as &$item)
		{
			$source = JPATH_PLUGINS . '/' . $item->folder . '/' . $item->element;
			$extension = 'plg_' . $item->folder . '_' . $item->element;
			$lang->load($extension . '.sys', JPATH_ADMINISTRATOR)
				|| $lang->load($extension . '.sys', $source);
			$item->name = Text::_($item->name);
		}
	}

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

// Select the required fields from the table.
		$query->select(
			$this->getState(
				'list.select',
				'a.extension_id , a.name, a.element, a.folder, a.checked_out, a.checked_out_time,' .
					' a.enabled, a.access, a.ordering, a.note'
			)
		)
			->from($db->quoteName('#__extensions') . ' AS a')
			->where($db->quoteName('type') . ' = ' . $db->quote('plugin'));

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

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

// Filter by access level.
		if ($access = $this->getState('filter.access'))
		{
			$access = (int) $access;
			$query->where($db->quoteName('a.access') . ' = :access')
				->bind(':access', $access, ParameterType::INTEGER);
		}

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

if (is_numeric($published))
		{
			$published = (int) $published;
			$query->where($db->quoteName('a.enabled') . ' = :published')
				->bind(':published', $published, ParameterType::INTEGER);
		}
		elseif ($published === '')
		{
			$query->whereIn($db->quoteName('a.enabled'), [0, 1]);
		}

// Filter by state.
		$query->where('a.state >= 0');

// Filter by folder.
		if ($folder = $this->getState('filter.folder'))
		{
			$query->where($db->quoteName('a.folder') . ' = :folder')
				->bind(':folder', $folder);
		}

// Filter by element.
		if ($element = $this->getState('filter.element'))
		{
			$query->where($db->quoteName('a.element') . ' = :element')
				->bind(':element', $element);
		}

// Filter by search in name or id.
		$search = $this->getState('filter.search');

if (!empty($search))
		{
			if (stripos($search, 'id:') === 0)
			{
				$ids = (int) substr($search, 3);
				$query->where($db->quoteName('a.extension_id') . ' = :id');
				$query->bind(':id', $ids, ParameterType::INTEGER);
			}
		}

return $query;
	}

/**
	 * Method to get the data that should be injected in the form.
	 *
	 * @return	mixed	The data for the form.
	 *
	 * @since	3.5
	 */
	protected function loadFormData()
	{
		$data = parent::loadFormData();

// Set the selected filter values for pages that use the \JLayouts for filtering
		$data->list['sortTable'] = $this->state->get('list.ordering');
		$data->list['directionTable'] = $this->state->get('list.direction');

return $data;
	}
}