<?php
/*
 * Copyright(c) 2000-2007 LOCKON CO.,LTD. All Rights Reserved.
 *
 * http://www.lockon.co.jp/
 */

$current_dir = realpath(dirname(__FILE__));
require_once($current_dir . "/../module/DB.php");

$objDbConn = "";

class SC_DbConn{

	var $conn;
	var $result; 
	var $includePath;
	var $error_mail_to;
	var $error_mail_title;
	var $dsn;
	var $err_disp = true;
	
	// コンストラクタ
	function SC_DbConn($dsn = "", $err_disp = true, $new = false){
		global $objDbConn;
		
		// Debugモード指定
		$options['debug'] = PEAR_DB_DEBUG;
		// 既に接続されていないか、新規接続要望の場合は接続する。
		if(!isset($objDbConn->connection) || $new) {
			if($dsn != "") {
				$objDbConn = DB::connect($dsn, $options);
				$this->dsn = $dsn;
			} else {
				if(defined('DEFAULT_DSN')) {
					$objDbConn = DB::connect(DEFAULT_DSN, $options);
					$this->dsn = DEFAULT_DSN;
				} else {
					return;
				}
			}
		}
		$this->conn = $objDbConn;
		$this->error_mail_to = DB_ERROR_MAIL_TO;
		$this->error_mail_title = DB_ERROR_MAIL_SUBJECT;
		$this->err_disp = $err_disp;
	}
	
	// クエリの実行
	function query($n ,$arr = "", $ignore_err = false){
		if ( $arr ) {
			$result = $this->conn->query($n, $arr);	
		} else {
			$result = $this->conn->query($n);
		}
	
		if ($this->conn->isError($result) && !$ignore_err){
			$this->send_err_mail ($result, $n);
		}
		
		$this->result = $result;
		return $this->result;
	}

	// 一件のみ取得
	function getOne($n, $arr = ""){
		
		// mysqlの場合にはビュー表を変換する
		if (DB_TYPE == "mysql") $n = sfChangeMySQL($n);
		
		if ( $arr ) {
			$result = $this->conn->getOne($n, $arr);
		} else {
			$result = $this->conn->getOne($n);
		}		
		if ($this->conn->isError($result)){
			$this->send_err_mail ($result ,$n);
		}
		$this->result = $result;
		
		return $this->result;
	}
	
	function getRow($n, $arr = ""){

		// mysqlの場合にはビュー表を変換する
		if (DB_TYPE == "mysql") $n = sfChangeMySQL($n);

		if ( $arr ) {
			$result = $this->conn->getRow($n, $arr);
		} else {
			$result = $this->conn->getRow($n);
		}		
		if ($this->conn->isError($result)){
			$this->send_err_mail ($result ,$n);
		}
		$this->result = $result;
		return $this->result;
	}

	// SELECT文の実行結果を全て取得
	function getAll($n, $arr = ""){

		// mysqlの場合にはビュー表を変換する
		if (DB_TYPE == "mysql") $n = sfChangeMySQL($n);
		
		if(PEAR::isError($this->conn)) {
			if(ADMIN_MODE){
				sfErrorHeader("DBへの接続に失敗しました。:" . $this->dsn);
			}else{
				sfErrorHeader("DBへの接続に失敗しました。:");
			}
			return 0;
		}

		if ( $arr ){
			$result = $this->conn->getAll($n, $arr, DB_FETCHMODE_ASSOC);
		} else {
			$result = $this->conn->getAll($n, DB_FETCHMODE_ASSOC);
		}
		
		if ($this->conn->isError($result)){
			$this->send_err_mail ($result, $n);
		}
		$this->result = $result;
		
		return $this->result;
	}	
	
	function autoExecute($table_name, $fields_values, $sql_where = null){
	
		if ( $sql_where ) {
			$result = $this->conn->autoExecute( $table_name, $fields_values, DB_AUTOQUERY_UPDATE, $sql_where);
		} else {
			$result = $this->conn->autoExecute( $table_name, $fields_values, DB_AUTOQUERY_INSERT);
		}
		
		if ($this->conn->isError($result)){
			$this->send_err_mail ($result, $n);
		}
		$this->result = $result;
		return $this->result;
	}
	
	
	function prepare($n){
		global $sql;
		$sql = $n;		
		$result = $this->conn->prepare($n);
		$this->result = $result;
		return $this->result;
	}
	
	function execute($n, $obj){
		global $sql;
		$sql = $n;
		$result = $this->conn->execute($n, $obj);
		$this->result = $result;
		return $this->result;
	}	
	
	function reset(){
		$this->conn->disconnect();
	}

	function send_err_mail( $result, $sql ){
		
		if ($this->err_disp) {
			if ($_SERVER['HTTPS'] == "on") {
				$url = "https://";
			} else {
				$url = "http://";
			}
			$url.= $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
			
			$errmsg = $url."\n\n";
			$errmsg.= $sql . "\n";
			$errmsg.= $result->message . "\n\n";
			$errmsg.= $result->userinfo . "\n\n";
			print_r($errmsg);

			exit();
		}
	}
}

?>