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<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_templates
 *
 * @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\Templates\Administrator\Table;

\defined('_JEXEC') or die;

use Joomla\CMS\Language\Text;
use Joomla\CMS\Table\Table;
use Joomla\Database\DatabaseDriver;
use Joomla\Database\ParameterType;
use Joomla\Registry\Registry;

/**
 * Template style table class.
 *
 * @since  1.6
 */
class StyleTable extends Table
{
	/**
	 * Constructor
	 *
	 * @param   DatabaseDriver  $db  A database connector object
	 *
	 * @since   1.6
	 */
	public function __construct(DatabaseDriver $db)
	{
		parent::__construct('#__template_styles', 'id', $db);
	}

/**
	 * Overloaded bind function to pre-process the params.
	 *
	 * @param   array  $array   Named array
	 * @param   mixed  $ignore  An optional array or space separated list of properties to ignore while binding.
	 *
	 * @return  null|string	null if operation was satisfactory, otherwise returns an error
	 *
	 * @since   1.6
	 */
	public function bind($array, $ignore = '')
	{
		if (isset($array['params']) && is_array($array['params']))
		{
			$registry = new Registry($array['params']);
			$array['params'] = (string) $registry;
		}

// Verify that the default style is not unset
		if ($array['home'] == '0' && $this->home == '1')
		{
			$this->setError(Text::_('COM_TEMPLATES_ERROR_CANNOT_UNSET_DEFAULT_STYLE'));

return false;
		}

return parent::bind($array, $ignore);
	}

/**
	 * Overloaded check method to ensure data integrity.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.6
	 */
	public function check()
	{
		try
		{
			parent::check();
		}
		catch (\Exception $e)
		{
			$this->setError($e->getMessage());

return false;
		}

if (empty($this->title))
		{
			$this->setError(Text::_('COM_TEMPLATES_ERROR_STYLE_REQUIRES_TITLE'));

return false;
		}

return true;
	}

/**
	 * Overloaded store method to ensure unicity of default style.
	 *
	 * @param   boolean  $updateNulls  True to update fields even if they are null.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.6
	 */
	public function store($updateNulls = false)
	{
		if ($this->home != '0')
		{
			$clientId = (int) $this->client_id;
			$query = $this->_db->getQuery(true)
				->update($this->_db->quoteName('#__template_styles'))
				->set($this->_db->quoteName('home') . ' = ' . $this->_db->quote('0'))
				->where($this->_db->quoteName('client_id') . ' = :clientid')
				->where($this->_db->quoteName('home') . ' = :home')
				->bind(':clientid', $clientId, ParameterType::INTEGER)
				->bind(':home', $this->home);
			$this->_db->setQuery($query);
			$this->_db->execute();
		}

return parent::store($updateNulls);
	}

/**
	 * Overloaded store method to unsure existence of a default style for a template.
	 *
	 * @param   mixed  $pk  An optional primary key value to delete.  If not set the instance property value is used.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.6
	 */
	public function delete($pk = null)
	{
		$k = $this->_tbl_key;
		$pk = is_null($pk) ? $this->$k : $pk;

if (!is_null($pk))
		{
			$clientId = (int) $this->client_id;
			$query = $this->_db->getQuery(true)
				->select($this->_db->quoteName('id'))
				->from($this->_db->quoteName('#__template_styles'))
				->where($this->_db->quoteName('client_id') . ' = :clientid')
				->where($this->_db->quoteName('template') . ' = :template')
				->bind(':template', $this->template)
				->bind(':clientid', $clientId, ParameterType::INTEGER);
			$this->_db->setQuery($query);
			$results = $this->_db->loadColumn();

if (count($results) == 1 && $results[0] == $pk)
			{
				$this->setError(Text::_('COM_TEMPLATES_ERROR_CANNOT_DELETE_LAST_STYLE'));

return false;
			}
		}

return parent::delete($pk);
	}
}