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<?php
/**
 * Joomla! Content Management System
 *
 * @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\CMS\Table;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Language\Text;
use Joomla\Database\DatabaseDriver;

/**
 * Update table
 * Stores updates temporarily
 *
 * @since  1.7.0
 */
class Update extends Table
{
	/**
	 * Ensure the params in json encoded in the bind method
	 *
	 * @var    array
	 * @since  4.0.0
	 */
	protected $_jsonEncode = ['params'];

	/**
	 * Constructor
	 *
	 * @param   DatabaseDriver  $db  Database driver object.
	 *
	 * @since   1.7.0
	 */
	public function __construct(DatabaseDriver $db)
	{
		parent::__construct('#__updates', 'update_id', $db);
	}

	/**
	 * Overloaded check function
	 *
	 * @return  boolean  True if the object is ok
	 *
	 * @see     Table::check()
	 * @since   1.7.0
	 */
	public function check()
	{
		try
		{
			parent::check();
		}
		catch (\Exception $e)
		{
			$this->setError($e->getMessage());

			return false;
		}

		// Check for valid name
		if (trim($this->name) == '' || trim($this->element) == '')
		{
			$this->setError(Text::_('JLIB_DATABASE_ERROR_MUSTCONTAIN_A_TITLE_EXTENSION'));

			return false;
		}

		if (!$this->update_id && !$this->data)
		{
			$this->data = '';
		}

		// While column is not nullable, make sure we have a value.
		if ($this->description === null)
		{
			$this->description = '';
		}

		return true;
	}

	/**
	 * Method to create and execute a SELECT WHERE query.
	 *
	 * @param   array  $options  Array of options
	 *
	 * @return  string  Results of query
	 *
	 * @since   1.7.0
	 */
	public function find($options = array())
	{
		$where = array();

		foreach ($options as $col => $val)
		{
			$where[] = $col . ' = ' . $this->_db->quote($val);
		}

		$query = $this->_db->getQuery(true)
			->select($this->_db->quoteName($this->_tbl_key))
			->from($this->_db->quoteName($this->_tbl))
			->where(implode(' AND ', $where));
		$this->_db->setQuery($query);

		return $this->_db->loadResult();
	}
}