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<?php
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// $Id: class.database.php,v 1.5 2005/06/23 06:34:18 rdjurovich Exp $
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/*
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 Website Baker Project <http://www.websitebaker.org/>
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 Copyright (C) 2004-2005, Ryan Djurovich
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 Website Baker is free software; you can redistribute it and/or modify
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 it under the terms of the GNU General Public License as published by
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 the Free Software Foundation; either version 2 of the License, or
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 (at your option) any later version.
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 Website Baker is distributed in the hope that it will be useful,
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 but WITHOUT ANY WARRANTY; without even the implied warranty of
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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 GNU General Public License for more details.
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 You should have received a copy of the GNU General Public License
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 along with Website Baker; if not, write to the Free Software
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 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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/*
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Database class
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This class will be used to interface between the database
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and the Website Baker code
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*/
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// Stop this file from being accessed directly
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if(!defined('WB_PATH')) { exit('Direct access to this file is not allowed'); }
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if(!defined('DB_URL')) {
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	//define('DB_URL', DB_TYPE.'://'.DB_USERNAME.':'.DB_PASSWORD.'@'.DB_HOST.'/'.DB_NAME);
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}
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define('DATABASE_CLASS_LOADED', true);
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class database {
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	// Set DB_URL
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	function database($url = '') {
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		// Connect to database
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		$this->connect();
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		// Check for database connection error
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		if($this->is_error()) {
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			die($this->get_error());
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		}
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	}
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	// Connect to the database
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	function connect() {
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		$status = $this->db_handle = mysql_connect(DB_HOST, DB_USERNAME, DB_PASSWORD);
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		if(mysql_error()) {
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			$this->connected = false;
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			$this->error = mysql_error();
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		} else {
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			if(!mysql_select_db(DB_NAME)) {
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				$this->connected = false;
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				$this->error = mysql_error();
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			} else {
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				$this->connected = true;
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			}
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		}
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		return $this->connected;
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	}
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	// Disconnect from the database
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	function disconnect() {
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		if(isset($this->Database)) {
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			mysql_close();
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			return true;
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		} else {
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			return false;
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		}
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	}
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	// Run a query
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	function query($statement) {
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		$mysql = new mysql();
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		$mysql->query($statement);
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		if($mysql->error()) {
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			$this->set_error($mysql->error());
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			return null;
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		} else {
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			return $mysql;
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		}
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	}
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	// Gets the first column of the first row
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	function get_one($statement) {
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		$fetch_row = mysql_fetch_row(mysql_query($statement));
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		$result = $fetch_row[0];
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		if(mysql_error()) {
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			$this->set_error(mysql_error());
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			return null;
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		} else {
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			return $result;
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		}
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	}
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	// Set the DB error
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	function set_error($message = null) {
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		global $TABLE_DOES_NOT_EXIST, $TABLE_UNKNOWN;
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		$this->error = $message;
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		if(strpos($message, 'no such table')) {
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			$this->error_type = $TABLE_DOES_NOT_EXIST;
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		} else {
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			$this->error_type = $TABLE_UNKNOWN;
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		}
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	}
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	// Return true if there was an error
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	function is_error() {
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		return (!empty($this->error)) ? true : false;
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	}
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	// Return the error
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	function get_error() {
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		return $this->error;
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	}
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}
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class mysql {
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	// Run a query
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	function query($statement) {
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		$this->result = mysql_query($statement);
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		$this->error = mysql_error();
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		return $this->result;
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	}
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	// Fetch num rows
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	function numRows() {
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		return mysql_num_rows($this->result);
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	}
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	// Fetch row
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	function fetchRow() {
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		return mysql_fetch_array($this->result);
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	}
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	// Get error
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	function error() {
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		if(isset($this->error)) {
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			return $this->error;
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		} else {
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			return null;
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		}
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	}
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}
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?>
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