File Source for database.php

<?php 
/**
 * <b>Database Class</b><br />
 * The database class is the container class for all database connectivity and functions.
 * Includes specific files based on current file directory and creates classes based on specified name.
 * @author Kristen O'Brien <kristen_paristemi-com>
 * @copyright Copyright 2004, Kristen O'Brien
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
 * @link http://www.paristemi.com Paristemi Main Site
 * @package paristemi
 * @subpackage paristemi_database_layer
 * @since Build 0.5
 * @version Build 0.7
 * @filesource
 */
/**
* Include the constants file and all of the files in the include list
*/
      if(ltrim(dirname($_SERVER['SCRIPT_FILENAME'])) == "" || !file_exists($_SERVER['DOCUMENT_ROOT']."/constants.php")) {
          if(!file_exists("../constants.php")) { require_once("../public_html/constants.php"); }
        else { require_once("../constants.php"); }
       }
      else { require_once($_SERVER['DOCUMENT_ROOT']."/constants.php"); }
      $link_dir = $SERVER_DIRECTORY.$INCLUDE_PATH.$DATABASE_PATH;
 
      // Depending on what the name of the directory is,
// add the right database classes and files
      
      $dir = ltrim(dirname($_SERVER['SCRIPT_NAME'])).'/';
    
      switch($dir) {
        case '/'.rtrim($SITE_DIRECTORY)
                            : require_once ($link_dir.$DATABASE_MAIN); require_once ($link_dir.$DATABASE_CAL);
                              require_once ($link_dir.$DATABASE_MAILINGLIST); require_once($link_dir.$DATABASE_CONTACT);
                              break;
        case '/'.rtrim($MINISTRY_DIR)    
                            : require_once ($link_dir.$DATABASE_ABOUT); require_once ($link_dir.$DATABASE_MULTIMEDIA); 
                              require_once ($link_dir.$DATABASE_CONTACT); require_once ($link_dir.$DATABASE_LOCATION); 
                              break;
        case '/'.rtrim($CALENDAR_PATH)
                            : require_once ($link_dir.$DATABASE_CAL); 
                              require_once ($link_dir.$DATABASE_CONTACT); require_once ($link_dir.$DATABASE_LOCATION);
                              break;
        case '/'.rtrim($CONTACT_DIR)
                            : require_once ($link_dir.$DATABASE_CONTACT); require_once ($link_dir.$DATABASE_LOCATION);
                              break;
        case '/'.rtrim($LIBRARY_DIR)
                            : require_once ($link_dir.$DATABASE_LIBRARY);
                              break;
        case '/'.rtrim($LOCATION_DIR)
                            : require_once ($link_dir.$DATABASE_LOCATION);
                              break;
        case '/'.rtrim($MAILING_LIST_DIR)
                            : require_once($link_dir.$DATABASE_MAILINGLIST); require_once($link_dir.$DATABASE_MAIN);
                              break;
        case '/'.rtrim($MESSAGES_DIR)
                            : require_once ($link_dir.$DATABASE_MESSAGES); require_once ($link_dir.$DATABASE_CAL); 
                              require_once ($link_dir.$DATABASE_CONTACT); require_once ($link_dir.$DATABASE_LOCATION); 
                              break;
        case '/'.rtrim($MULTIMEDIA_DIR)
                            : require_once ($link_dir.$DATABASE_MULTIMEDIA);
                              break;
        case '/'.rtrim($MUSIC_DIR)
                            : require_once ($link_dir.$DATABASE_MUSIC); 
                              break;
        case '/'.rtrim($PRAYER_DIR)
                            : require_once ($link_dir.$DATABASE_PRAYER); require_once ($link_dir.$DATABASE_CONTACT);
                              break;
        case '/'.rtrim($STUDIES_DIR)
                            : require_once ($link_dir.$DATABASE_STUDIES); require_once ($link_dir.$DATABASE_CAL); 
                              require_once ($link_dir.$DATABASE_CONTACT); require_once ($link_dir.$DATABASE_LOCATION); 
                              break;
        case '/'.rtrim($DATABASE_MODIFY)    
                            : require_once ($link_dir.$DATABASE_CAL); require_once ($link_dir.$DATABASE_STUDIES); 
                              require_once ($link_dir.$DATABASE_MESSAGES); require_once ($link_dir.$DATABASE_LOCATION);
                              require_once ($link_dir.$DATABASE_CONTACT);
                              break;
        case '/'.rtrim($INCLUDE_PATH)    
                            : require_once ($link_dir.$DATABASE_MAIN); require_once ($link_dir.$DATABASE_ABOUT);
                              require_once ($link_dir.$DATABASE_CAL); require_once ($link_dir.$DATABASE_CONTACT); 
                              require_once ($link_dir.$DATABASE_LOCATION); require_once ($link_dir.$DATABASE_MESSAGES); 
                              require_once ($link_dir.$DATABASE_MULTIMEDIA); require_once ($link_dir.$DATABASE_MUSIC); 
                              require_once ($link_dir.$DATABASE_STUDIES);
                              require_once ($link_dir.$DATABASE_PRAYER); require_once ($link_dir.$DATABASE_LIBRARY);
                              require_once ($link_dir.$DATABASE_MAILINGLIST);
                              break;
        default                
                            : require_once ($link_dir.$DATABASE_MAIN); require_once ($link_dir.$DATABASE_ABOUT);
                              require_once ($link_dir.$DATABASE_CAL); require_once ($link_dir.$DATABASE_CONTACT); 
                              require_once ($link_dir.$DATABASE_LOCATION); require_once ($link_dir.$DATABASE_MESSAGES); 
                              require_once ($link_dir.$DATABASE_MULTIMEDIA); require_once ($link_dir.$DATABASE_MUSIC); 
                              require_once ($link_dir.$DATABASE_STUDIES);
                              require_once ($link_dir.$DATABASE_PRAYER); require_once ($link_dir.$DATABASE_LIBRARY);
                              require_once ($link_dir.$DATABASE_MAILINGLIST);
                              break;
      }
/**
 * <b>Database Class</b><br />
 * The database class is the container class for all database connectivity and functions.
 * Includes specific files based on current file directory and creates classes based on specified name.
 * @author Kristen O'Brien <kristen_paristemi-com>
 * @copyright Copyright 2004, Kristen O'Brien
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
 * @link http://www.paristemi.com Paristemi Main Site
 * @package paristemi
 * @subpackage paristemi_database_layer
 * @since Build 0.5
 * @version Build 0.7
 * @filesource
 */
class Database {
    var $Link;
    
    /**
     * Opens a connection to the database.<br />
     * Example:
     * <code>$db = new Database();</code>
     */
    function Database() {
        $this->Link = mysql_connect($GLOBALS['DATABASE_SERVER'], 
                                    $GLOBALS['DATABASE_USER'], 
                                    $GLOBALS['DATABASE_PASS'])
            or $this->Error('Unable to connect to db server.');
        mysql_select_db($GLOBALS['DATABASE_NAME'])
            or $this->Error('Unable to select db');
    }
 
    /**
     * Only needed if you want to reconnect to a different database.  Otherwise
     * the call to mysql_close() occurs when the connection dies.
     */
    function Close() {
        mysql_close($this->Link);
    }
 
 
    /**
     * For internal use.<br />
     * Example:
     * <code>$this->Error('some string');</code>
     */
    function Error($str) {
        die($str);
    }
    
    /**
     * Get the database class object for the specified class name.
     * @param string $classname The lowercase class name without the preceding "DB_".
     * @return mixed The class object for the specified name.
     */
    function GetClass($classname) {
        switch($classname) {
            case 'main'         : return new DB_Main(); break;
            case 'about'         : return new DB_About(); break;
            case 'cal'             : return new DB_Cal(); break;
            case 'contact'         : return new DB_Contact(); break;
            case 'library'      : return new DB_Library(); break;
            case 'location'     : return new DB_Location(); break;
            case 'mailinglist'    : return new DB_MailingList(); break;
            case 'messages'     : return new DB_Messages(); break;
            case 'multimedia'     : return new DB_Multimedia(); break;
            case 'music'         : return new DB_Music(); break;
            case 'prayer'        : return new DB_Prayer(); break;
            case 'studies'         : return new DB_Studies(); break;
        }
    }
}
 
?>
Source for file database.php
