<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_finder
 *
 * @copyright   Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('_JEXEC') or die;

/**
 * Filter table class for the Finder package.
 *
 * @package     Joomla.Administrator
 * @subpackage  com_finder
 * @since       2.5
 */
class FinderTableFilter extends JTable
{
	/**
	 * Constructor
	 *
	 * @param   object  &$db  JDatabase connector object.
	 *
	 * @since   2.5
	 */
	public function __construct(&$db)
	{
		parent::__construct('#__finder_filters', 'filter_id', $db);
	}

	/**
	 * Method to bind an associative array or object to the JTable instance.  This
	 * method only binds properties that are publicly accessible and optionally
	 * takes an array of properties to ignore when binding.
	 *
	 * @param   array  $array   Named array
	 * @param   mixed  $ignore  An optional array or space separated list of properties
	 *                          to ignore while binding. [optional]
	 *
	 * @return  mixed  Null if operation was satisfactory, otherwise returns an error string
	 *
	 * @since   2.5
	 */
	public function bind($array, $ignore = '')
	{
		if (isset($array['params']) && is_array($array['params']))
		{
			$registry = new JRegistry;
			$registry->loadArray($array['params']);
			$array['params'] = (string) $registry;
		}

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

	/**
	 * Method to perform sanity checks on the JTable instance properties to ensure
	 * they are safe to store in the database.  Child classes should override this
	 * method to make sure the data they are storing in the database is safe and
	 * as expected before storage.
	 *
	 * @return  boolean  True if the instance is sane and able to be stored in the database.
	 *
	 * @since   2.5
	 */
	public function check()
	{
		if (trim($this->alias) == '')
		{
			$this->alias = $this->title;
		}

		$this->alias = JApplication::stringURLSafe($this->alias);

		if (trim(str_replace('-', '', $this->alias)) == '')
		{
			$this->alias = JFactory::getDate()->format('Y-m-d-H-i-s');
		}

		// Check the end date is not earlier than start up.
		if ($this->d2 > $this->_db->getNullDate() && $this->d2 < $this->d1)
		{
			// Swap the dates.
			$temp = $this->d1;
			$this->d1 = $this->d2;
			$this->d2 = $temp;
		}

		return true;
	}

	/**
	 * Method to set the publishing state for a row or list of rows in the database
	 * table. The method respects checked out rows by other users and will attempt
	 * to checkin rows that it can after adjustments are made.
	 *
	 * @param   mixed    $pks     An array of primary key values to update.  If not
	 *                            set the instance property value is used. [optional]
	 * @param   integer  $state   The publishing state. eg. [0 = unpublished, 1 = published] [optional]
	 * @param   integer  $userId  The user id of the user performing the operation. [optional]
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   2.5
	 */
	public function publish($pks = null, $state = 1, $userId = 0)
	{
		// Initialise variables.
		$k = $this->_tbl_key;

		// Sanitize input.
		JArrayHelper::toInteger($pks);
		$userId = (int) $userId;
		$state = (int) $state;

		// If there are no primary keys set check to see if the instance key is set.
		if (empty($pks))
		{
			if ($this->$k)
			{
				$pks = array($this->$k);
			}
			// Nothing to set publishing state on, return false.
			else
			{
				$this->setError(JText::_('JLIB_DATABASE_ERROR_NO_ROWS_SELECTED'));
				return false;
			}
		}

		// Build the WHERE clause for the primary keys.
		$where = $k . '=' . implode(' OR ' . $k . '=', $pks);

		// Determine if there is checkin support for the table.
		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
		{
			$checkin = '';
		}
		else
		{
			$checkin = ' AND (checked_out = 0 OR checked_out = ' . (int) $userId . ')';
		}

		// Update the publishing state for rows with the given primary keys.
		$query = $this->_db->getQuery(true);
		$query->update($this->_db->quoteName($this->_tbl));
		$query->set($this->_db->quoteName('state') . ' = ' . (int) $state);
		$query->where($where);
		$this->_db->setQuery($query . $checkin);
		$this->_db->query();

		// Check for a database error.
		if ($this->_db->getErrorNum())
		{
			$this->setError($this->_db->getErrorMsg());
			return false;
		}

		// If checkin is supported and all rows were adjusted, check them in.
		if ($checkin && (count($pks) == $this->_db->getAffectedRows()))
		{
			// Checkin the rows.
			foreach ($pks as $pk)
			{
				$this->checkin($pk);
			}
		}

		// If the JTable instance value is in the list of primary keys that were set, set the instance.
		if (in_array($this->$k, $pks))
		{
			$this->state = $state;
		}

		$this->setError('');

		return true;
	}

	/**
	 * Method to store a row in the database from the JTable instance properties.
	 * If a primary key value is set the row with that primary key value will be
	 * updated with the instance property values.  If no primary key value is set
	 * a new row will be inserted into the database with the properties from the
	 * JTable instance.
	 *
	 * @param   boolean  $updateNulls  True to update fields even if they are null. [optional]
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   2.5
	 */
	public function store($updateNulls = false)
	{
		$date = JFactory::getDate();
		$user = JFactory::getUser();

		if ($this->filter_id)
		{
			// Existing item
			$this->modified = $date->toMySQL();
			$this->modified_by = $user->get('id');
		}
		else
		{
			// New item. A filter's created field can be set by the user,
			// so we don't touch it if it is set.
			if (!intval($this->created))
			{
				$this->created = $date->toMySQL();
			}
			if (empty($this->created_by))
			{
				$this->created_by = $user->get('id');
			}
		}

		if (is_array($this->data))
		{
			$this->map_count = count($this->data);
			$this->data = implode(',', $this->data);
		}
		else
		{
			$this->map_count = 0;
			$this->data = implode(',', array());
		}

		// Verify that the alias is unique
		$table = JTable::getInstance('Filter', 'FinderTable');
		if ($table->load(array('alias' => $this->alias)) && ($table->filter_id != $this->filter_id || $this->filter_id == 0))
		{
			$this->setError(JText::_('JLIB_DATABASE_ERROR_ARTICLE_UNIQUE_ALIAS'));
			return false;
		}
		return parent::store($updateNulls);
	}
}
