<?php
/*
 * This file is part of EC-CUBE
 *
 * Copyright(c) 2000-2011 LOCKON CO.,LTD. All Rights Reserved.
 *
 * http://www.lockon.co.jp/
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

/* ---- SQL文を作るクラス ---- */
class SC_SelectSql {

    var $sql;

    var $select;
    var $where;
    var $order;
    var $group;
    var $limit;
    var $offset;
    var $arrSql;
    var $arrVal;

    //--　コンストラクタ。
    function SC_SelectSql($array = "") {
        if (is_array($array)) {
            $this->arrSql = $array;
        }
    }

    //-- SQL分生成
    function getSql( $mode = "" ){
        $this->sql = $this->select ." ". $this->where ." ". $this->group ." ";

        // $mode == 1 は limit & offset無し
        if ($mode == 2) {
            $this->sql .= $this->order;
        }elseif ( $mode != 1 ){
            $this->sql .= $this->order . " " .$this->limit ." ". $this->offset;
        }

        return $this->sql;
    }

        // 検索用
    function addSearchStr($val) {
        $return = "%" .$val. "%";
        return $return;
    }

    //-- 範囲検索（○　~　○　まで）
    function selectRange($from, $to, $column) {

        // ある単位のみ検索($from = $to)
        if(  $from == $to ) {
            $this->setWhere( $column ." = ?" );
            $return = array($from);
        //　~$toまで検索
        } elseif(  strlen($from) == 0 && strlen($to) > 0 ) {
            $this->setWhere( $column ." <= ? ");
            $return = array($to);
        //　~$from以上を検索
        } elseif(  strlen($from) > 0 && strlen($to) == 0 ) {
            $this->setWhere( $column ." >= ? ");
            $return = array($from);
        //　$from~$toの検索
        } else {
            $this->setWhere( $column ." BETWEEN ? AND ?" );
            $return = array($from, $to);
        }
        return $return;
    }

    //--　期間検索（○年○月○日か~○年○月○日まで）
    function selectTermRange($from_year, $from_month, $from_day, $to_year, $to_month, $to_day, $column) {
        $return = array();

        // 開始期間の構築
        $date1 = $from_year . "/" . $from_month . "/" . $from_day;

        // 終了期間の構築
        // @see http://svn.ec-cube.net/open_trac/ticket/328
        // FIXME とりあえずintvalで対策...
        $date2 = mktime (0, 0, 0, intval($to_month), intval($to_day), intval($to_year));
        $date2 = $date2 + 86400;
        // SQL文のdate関数に与えるフォーマットは、yyyy/mm/ddで指定する。
        $date2 = date('Y/m/d', $date2);

        // 開始期間だけ指定の場合
        if( ( $from_year != "" ) && ( $from_month != "" ) && ( $from_day != "" ) && ( $to_year == "" ) && ( $to_month == "" ) && ( $to_day == "" ) ) {
            $this->setWhere( $column .' >= ?');
            $return[] = $date1;
        }

        //　開始～終了
        if( ( $from_year != "" ) && ( $from_month != "" ) && ( $from_day != "" ) &&
            ( $to_year != "" ) && ( $to_month != "" ) && ( $to_day != "" ) ) {
            $this->setWhere( $column . ' >= ? AND ' . $column . ' < date(?)' );
            $return[] = $date1;
            $return[] = $date2;
        }

        // 終了期間だけ指定の場合
        if( ( $from_year == "" ) && ( $from_month == "" ) && ( $from_day == "" ) && ( $to_year != "" ) && ( $to_month != "" ) && ( $to_day != "" ) ) {
            $this->setWhere( $column . ' < date(?)');
            $return[] = $date2;
        }

        return $return;
    }

    // checkboxなどで同一カラム内で単一、もしくは複数選択肢が有る場合　例: AND ( sex = xxx OR sex = xxx OR sex = xxx  ) AND ...
    function setItemTerm( $arr, $ItemStr ) {

        foreach( $arr as $data ) {

            if( count( $arr ) > 1 ) {
                if( ! is_null( $data ) ) $item .= $ItemStr . " = ? OR ";
            } else {
                if( ! is_null( $data ) ) $item = $ItemStr . " = ?";
            }
            $return[] = $data;
        }

        if( count( $arr ) > 1 )  $item = "( " . rtrim( $item, " OR " ) . " )";
        $this->setWhere( $item );
        return $return;
    }

    //　NULL値が必要な場合
    function setItemTermWithNull( $arr, $ItemStr ) {

        $item = " ${ItemStr} IS NULL ";

        if ( $arr ){
            foreach( $arr as $data ) {
                if ($data != "不明") {
                    $item .= " OR ${ItemStr} = ?";
                    $return[] = $data;
                }
            }
        }

        $item = "( ${item} ) ";
        $this->setWhere( $item );
        return $return;
    }
    // NULLもしくは''で検索する場合
    function setItemTermWithNullAndSpace( $arr, $ItemStr ) {
        $count = count($arr);
        $item = " ${ItemStr} IS NULL OR ${ItemStr} = '' ";
        $i = 1;
        if ( $arr ){
            foreach( $arr as $data ) {
                if ($i == $count) break;
                $item .= " OR ${ItemStr} = ?";
                $return[] = $data;
                $i ++;
            }
        }
        $item = "( ${item} ) ";
        $this->setWhere( $item );
        return $return;
    }

    /* 複数のカラムでORで優先検索する場合　例：　AND ( item_flag1 = xxx OR item_flag2 = xxx OR item_flag3 = xxx  ) AND ...

        配列の構造例　
        if ( $_POST['show_site1'] ) $arrShowsite_1 = array( 'column' => "show_site1",
                                                            'value'  => $_POST['show_site1'] );

    */
    function setWhereByOR( $arrWhere ){

        $count = count( $arrWhere );

        for( $i = 0; $i < $count; $i++ ) {

            if( isset( $arrWhere[$i]['value'] ) ) $statement .= $arrWhere[$i]['column'] ." = " . SC_Utils_Ex::sfQuoteSmart($arrWhere[$i]['value']) ." OR "  ;
        }

        $statement = "( " . rtrim( $statement, " OR " ) . " )";

        if( $this->where ) {

            $this->where .= " AND " . $statement;

        } else {

            $this->where = "WHERE " . $statement;
        }
    }

    function setWhere($where){
        if ($where != "") {
            if( $this->where ) {

                $this->where .= " AND " . $where;

            } else {

                $this->where = "WHERE " . $where;
            }
        }
    }

    function setOrder($order){

            $this->order =  "ORDER BY " . $order;

    }

    function setGroup( $group ) {

        $this->group =  "GROUP BY " . $group;

    }

    function setLimitOffset( $limit, $offset ){

        if ( is_numeric($limit) and is_numeric($offset) ){

            $this->limit = " LIMIT " .$limit;
            $this->offset = " OFFSET " .$offset;
        }
    }

    function clearSql(){
        $this->select = "";
        $this->where = "";
        $this->group = "";
        $this->order = "";
        $this->limit = "";
        $this->offset = "";
    }

    function setSelect($sql) {
        $this->select = $sql;
    }
}
?>