<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Table;

defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Access\Rules;
use Joomla\Registry\Registry;

/**
 * Module table
 *
 * @since  1.5
 */
class Module extends Table
{
	/**
	 * Constructor.
	 *
	 * @param   \JDatabaseDriver  $db  Database driver object.
	 *
	 * @since   1.5
	 */
	public function __construct(\JDatabaseDriver $db)
	{
		parent::__construct('#__modules', 'id', $db);

		$this->access = (int) \JFactory::getConfig()->get('access');
	}

	/**
	 * Method to compute the default name of the asset.
	 * The default name is in the form table_name.id
	 * where id is the value of the primary key of the table.
	 *
	 * @return  string
	 *
	 * @since   3.2
	 */
	protected function _getAssetName()
	{
		$k = $this->_tbl_key;

		return 'com_modules.module.' . (int) $this->$k;
	}

	/**
	 * Method to return the title to use for the asset table.
	 *
	 * @return  string
	 *
	 * @since   3.2
	 */
	protected function _getAssetTitle()
	{
		return $this->title;
	}

	/**
	 * Method to get the parent asset id for the record
	 *
	 * @param   Table    $table  A Table object (optional) for the asset parent
	 * @param   integer  $id     The id (optional) of the content.
	 *
	 * @return  integer
	 *
	 * @since   3.2
	 */
	protected function _getAssetParentId(Table $table = null, $id = null)
	{
		$assetId = null;

		// This is a module that needs to parent with the extension.
		if ($assetId === null)
		{
			// Build the query to get the asset id of the parent component.
			$query = $this->_db->getQuery(true)
				->select($this->_db->quoteName('id'))
				->from($this->_db->quoteName('#__assets'))
				->where($this->_db->quoteName('name') . ' = ' . $this->_db->quote('com_modules'));

			// Get the asset id from the database.
			$this->_db->setQuery($query);

			if ($result = $this->_db->loadResult())
			{
				$assetId = (int) $result;
			}
		}

		// Return the asset id.
		if ($assetId)
		{
			return $assetId;
		}
		else
		{
			return parent::_getAssetParentId($table, $id);
		}
	}

	/**
	 * Overloaded check function.
	 *
	 * @return  boolean  True if the instance is sane and able to be stored in the database.
	 *
	 * @see     Table::check()
	 * @since   1.5
	 */
	public function check()
	{
		// Check for valid name
		if (trim($this->title) === '')
		{
			$this->setError(\JText::_('JLIB_DATABASE_ERROR_MUSTCONTAIN_A_TITLE_MODULE'));

			return false;
		}

		// Prevent to save too large content > 65535 
		if ((strlen($this->content) > 65535) || (strlen($this->params) > 65535))
		{
			$this->setError(\JText::_('COM_MODULES_FIELD_CONTENT_TOO_LARGE'));

			return false;
		}

		// Check the publish down date is not earlier than publish up.
		if ((int) $this->publish_down > 0 && $this->publish_down < $this->publish_up)
		{
			// Swap the dates.
			$temp = $this->publish_up;
			$this->publish_up = $this->publish_down;
			$this->publish_down = $temp;
		}

		return true;
	}

	/**
	 * Overloaded bind function.
	 *
	 * @param   array  $array   Named array.
	 * @param   mixed  $ignore  An optional array or space separated list of properties to ignore while binding.
	 *
	 * @return  mixed  Null if operation was satisfactory, otherwise returns an error
	 *
	 * @see     Table::bind()
	 * @since   1.5
	 */
	public function bind($array, $ignore = '')
	{
		if (isset($array['params']) && is_array($array['params']))
		{
			$registry = new Registry($array['params']);
			$array['params'] = (string) $registry;
		}

		// Bind the rules.
		if (isset($array['rules']) && is_array($array['rules']))
		{
			$rules = new Rules($array['rules']);
			$this->setRules($rules);
		}

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

	/**
	 * Stores a module.
	 *
	 * @param   boolean  $updateNulls  True to update fields even if they are null.
	 *
	 * @return  boolean  True on success, false on failure.
	 *
	 * @since   3.7.0
	 */
	public function store($updateNulls = false)
	{
		// Set publish_up, publish_down and checked_out_time to null date if not set
		if (!$this->publish_up)
		{
			$this->publish_up = $this->_db->getNullDate();
		}

		if (!$this->publish_down)
		{
			$this->publish_down = $this->_db->getNullDate();
		}

		return parent::store($updateNulls);
	}
}