<?php
// Modification log
// (date)       (author)    (activity/purpose)
//  25.10.04    T. Gildseth Added DBO_NOT_AVAILABLE error code
//
// Todo
// (date)       (author)    (activity/purpose)
//
require_once 'PEAR.php';

define('DBO_ERROR', 1);
define('DBO_MISSING_COLUMN', 2);
define('DBO_NOT_MODIFIED', 3);
define('DBO_UPDATE_FAILED', 4);
define('DBO_INSERT_FAILED', 5);
define('DBO_SELECT_FAILED', 6);
define('DBO_SELECT_EMPTY', 7);
define('DBO_ARGUMENT_IS_NOT_ARRAY', 8);
define('DBO_NOT_AVAILABLE', 9);

/**
 * An error class for the DBObject class
 *
 * An error class for the DBObject class.
 * This class provides a PEAR style error class for the DBTableInfo class.
 *
 * @author Tommy Gildseth <tommy@akili.no>;
 * @copyright Tommy Gildseth, September 2004
 * @version 0.1
 * @access public
 * @package DBTableInfo
 */
class DBOError extends PEAR_Error {
    //{{{ Class members
    /**
     * Array of error code to error message mappings.
     *
     * @access private
     */
    var $_messages = array(DBO_ERROR => 'Unknown error',
                           DBO_MISSING_COLUMN => "The following columns are missing a value, but are mandatory:\n",
                           DBO_NOT_MODIFIED => 'No values was modified',
                           DBO_UPDATE_FAILED => "Unable to update row. Pear DB_Error says:\n",
                           DBO_INSERT_FAILED => "Unable to insert row. Pear DB_Error says:\n",
                           DBO_SELECT_FAILED => "No rows found.",
                           DBO_SELECT_EMPTY => "No rows found.",
                           DBO_ARGUMENT_IS_NOT_ARRAY => "The supplied value parameter is not an array in method ",
                           DBO_NOT_AVAILABLE => "The method you requested is not available for this class");
    // }}}

    // {{{ constructor DBOError(int code)
    /**
     * DBInfoError constructor.
     *
     * @param int       $code   error code
     * @param mixed     $info   Depending on the error code, this can be an array
     *                          or a DB_Error object.
     * @access public
     */
    function DBOError($code = DBO_ERROR, $info = null) {
        switch($code) {
            case DBO_MISSING_COLUMN:
                $msg = implode("\n", $info);
                break;
            case DBO_INSERT_FAILED:
            case DBO_UPDATE_FAILED:
            case DBO_SELECT_FAILED:
                $msg = "DB_Error message: ".$info->getMessage();
                $msg .= "\nNative message:".$info->getUserInfo();
                $msg .= "\nNative message:".$info->getDebugInfo();
            case DBO_ARGUMENT_IS_NOT_ARRAY:
                $msg = $info;
                break;
            default:
                $msg = '';
        }

        $this->PEAR_Error('DBObject Error: ' . $this->_messages[$code].$msg,
                          $code,
                          PEAR_ERROR_RETURN,
                          E_USER_NOTICE);
    } // }}}
}
?>