<?php
class update_supply
{
    public function execUpdateSupply($supply_id,$supplier_name, $area_id, $company_name,$purchase, $sett_type, $sett_frequency, $account_bank, $account_num, $account_name, $link_info)
    {
        //1.获取采购详情数组
        $purchase_array = $this->getPurchase($purchase);

        //2.从数据库获取采购详情
        $db_purchase_array = $this->getDbPurchase($supply_id);

        //3.获取联系人详情数组
        $link_array = $this->getLink($link_info);

        //4.从数据库获取联系人详情
        $db_link_array = $this->getDbLink($supply_id);

        //5.比较采购详情
        $purchase = $this->compare($purchase_array, $db_purchase_array);

        //6,比较联系详情
        $link = $this->compare($link_array, $db_link_array);

        //7,从数据库获取供应商详情
        $db_supply = $this->getDbSupply($supply_id);

        //8.操作数据库
        $supply_array = array('supplier_name' => $supplier_name,'area_id' => $area_id,'company_name' => $company_name,'sett_type' => $sett_type,'sett_frequency' => $sett_frequency,'account_bank' => $account_bank,'account_num' => $account_num,'account_name' => $account_name);
        $res = $this -> updatePdoChannel($supply_id,$supply_array,$db_supply,$purchase,$link);
        echo json_encode($res);
        exit();
    }

    //获取采购详情数组
    function getPurchase($purchase)
    {
        if ($purchase == '') {
            $purchase_array = array();
            return $purchase_array;
        }

        $purchase = substr($purchase, 1, strlen($purchase) - 2);
        $purchase = explode("}{", $purchase);
        $i = -1;
        foreach ($purchase as $item => $value) {
            $value = explode(",", $value);
            $status = 0;
            foreach ($value as $k => $v) {
                if (empty($v)) {
                    $status = 1;
                    break;
                }
            }
            if ($status == 0) {
                if($value[0] >= 0)
                {
                    $purchase_array[$value[0]]['purchase_id'] = $value[0];
                    $purchase_array[$value[0]]['product_type'] = $value[1];
                    $purchase_array[$value[0]]['purchaser_name'] = $value[2];
                }
                else
                {
                    $purchase_array[$i]['purchase_id'] = $i;
                    $purchase_array[$i]['product_type'] = $value[1];
                    $purchase_array[$i]['purchaser_name'] = $value[2];
                    $i--;
                }
            }
        }
        return $purchase_array;
    }

    //获取联系人详情数组
    function getLink($link_info)
    {
        if ($link_info == '') {
            $link_array = array();
            return $link_array;
        }
        $link_info = explode(",", $link_info);
        $key = $_COOKIE['memcache'];
        $link_memcache = get_memcache('ZHANGS_LINK' . $key);
        foreach ($link_info as $item => $value) {
            $status = 0;
            if (empty($link_memcache[$value]['link_name']) || empty($link_memcache[$value]['contact_name'])) {
                $status = 1;
            }
            if ($status == 0) {
                $link_array[$value] = $link_memcache[$value];
            }
        }
        return $link_array;
    }

    //从数据库获取采购详情数组
    function getDbPurchase($supply_id)
    {
        global $pdo;
        $sql = "SELECT
                    id AS purchase_id,
                    product_type,
                    purchaser_name
                FROM
                    base_supplier_purchase
                WHERE
                    cancel_flag = 0
                AND supplier_id = " . $supply_id;
        writeLog("getDbPurchase base_supplier_purchase:" . $sql);
        $result = $pdo->query($sql);
        $res = $result->fetchAll(PDO::FETCH_ASSOC);
        if(count($res) > 0)
        {
            foreach($res as $k => $v)
            {
                $result1[$v['purchase_id']] = $v;
            }
        }
        else
        {
            $result1= array();
        }
        return $result1;
    }

    //从数据库获取联系人详情
    function getDbLink($channel_id)
    {
        global $pdo;
        $sql = "SELECT
                    id as link_id,
                    link_name,
                    contact_name,
                    contact_mobile,
                    contact_telphone,
                    fax,
                    email,
                    remark
                FROM
                    base_supplier_link
                WHERE
                    cancel_flag = 0
                AND supplier_id = " . $channel_id;
        writeLog("getDbLink base_supplier_link:" . $sql);
        $result = $pdo->query($sql);
        $res = $result->fetchAll(PDO::FETCH_ASSOC);
        if(count($res) > 0)
        {
            foreach($res as $k => $v)
            {
                $result1[$v['link_id']] = $v;
            }
        }
        else
        {
            $result1= array();
        }
        return $result1;
    }

    //从数据库获取供应商详情
    function getDbSupply($supply_id)
    {
        global $pdo;
        $sql = "SELECT
                    supplier_name,
                    area_id,
                    company_name,
                    sett_type,
                    sett_frequency,
                    account_bank,
                    account_num,
                    account_name
                FROM
                    base_supplier
                WHERE
                    cancel_flag = 0
                AND id = " . $supply_id;
        writeLog("getDbChannel base_supplier:" . $sql);
        $result = $pdo->query($sql);
        $res = $result->fetchAll(PDO::FETCH_ASSOC);
        $res = $res[0];
        return $res;
    }

    //比较数组(前台数组，数据库数组)
    function compare($arr, $db_arr)
    {
        $result = array();
        if(count($db_arr) == 0 && count($arr) == 0)
        {
            return $result;
        }
        elseif (count($db_arr) == 0)
        {
            $result['insert'] = $arr;
            return $result;
        }
        elseif (count($arr) == 0)
        {
            $result['delete'] = $db_arr;
            return $result;
        }
        else
        {
            //print_r($arr);print_r($db_arr);die;
            foreach ($arr as $key => $value) {
                if(isset($db_arr[$key]))
                {
                    if($arr != $db_arr)
                    {
                        $result['update'][$key] = $value;
                    }

                }
                else
                {
                    $result['insert'][$key] = $value;
                }
            }
            foreach($db_arr as $key => $value)
            {
                if(!isset($arr[$key]))
                {
                    $result['delete'][$key] = $value;
                }
            }
            return $result;

        }
    }

    //获取update操作中的set数据
    function getUpdateSet($arr)
    {
        $set_array = array();
        foreach($arr as $k => $v)
        {
            if(!empty($v))
            {
                $set_array[] = $k . " = '" . $v . "'";
            }
            else
            {
                if($k == 'account_bank' || $k == 'account_num' || $k == 'account_name' || $k == 'link_name' || $k == 'contact_name' || $k == 'contact_mobile' || $k == 'contact_telphone' || $k == 'fax' || $k == 'email' || $k == 'remark' || $k == 'id_card')
                {
                    $set_array[] = $k . " = ''";
                }
                else
                {
                    $set_array[] = $k . " = '0'";
                }
            }
        }
        $set_str = implode(",",$set_array);
        return $set_str;
    }

    //操作数据库
    function updatePdoChannel($supply_id,$supply_array,$db_supply,$purchase,$link)
    {
        global $pdo;
        $user_id = getUserId();
        $time = date('Y-m-d H:i:s',time());
        try {
            $pdo->beginTransaction();
            //1.操作base_supplier表
            if($supply_array != $db_supply)//修改
            {
                $set_str = $this->getUpdateSet($supply_array);
                $update_supplier_sql = "UPDATE base_supplier
                                        SET update_user_id = " . $user_id . ",update_time = '" . $time . "'," . $set_str . "
                                        WHERE
                                            id = " . $supply_id;
                writeLog("UPDATE base_supplier:" . $update_supplier_sql);
                $result = $pdo->exec($update_supplier_sql);
                if (!$result) {
                    throw new Exception("db die");
                }
            }
            //2.操作base_supplier_sale表

            if(count($purchase) > 0)
            {
                if(count($purchase['update']) > 0)//修改
                {
                    $update_purchase_array = array();
                    foreach($purchase['update'] as $key => $value)
                    {
                        unset($value['purchase_id']);
                        $set_str = $this->getUpdateSet($value);
                        $update_purchase_array[] = "UPDATE base_supplier_purchase
                                                    SET update_user_id = " . $user_id . ",update_time = '" . $time . "'," . $set_str . "
                                                    WHERE
                                                        id = " . $key;
                    }
                    $update_purchase_sql = implode(";",$update_purchase_array);
                    writeLog("./" . $update_purchase_sql);
                    $result = $pdo->exec($update_purchase_sql);
                    if (!$result) {
                        throw new Exception("db die");
                    }
                }
                if(count($purchase['insert']) > 0)//增加
                {
                    $insert_purchase_sql = "INSERT INTO base_supplier_purchase (
                                                create_user_id,
                                                create_time,
                                                supplier_id,
                                                product_type,
                                                purchaser_name
                                            )
                                            VALUES ";
                    foreach($purchase['insert'] as $key => $value)
                    {
                        $purchase_sql_array[] = "(" . $user_id . ",'" . $time . "'," . $supply_id . "," . $value['product_type'] . ",'" . $value['purchaser_name'] . "')";
                    }
                    $insert_purchase_sql .= implode(",", $purchase_sql_array);
                    writeLog("INSERT base_supplier_purchase:" . $insert_purchase_sql);
                    $result = $pdo->exec($insert_purchase_sql);
                    if (!$result) {
                        throw new Exception("db die");
                    }
                }
                if(count($purchase['delete']) > 0)//删除
                {
                    $delete_purchase_array = array();
                    foreach($purchase['delete'] as $key => $value)
                    {
                        $delete_purchase_array[] = "UPDATE base_supplier_purchase
                                                    SET update_user_id = " . $user_id . ",update_time = '" . $time . "',cancel_flag = 1
                                                    WHERE
                                                        id = " . $key;
                    }
                    $delete_purchase_sql = implode(";",$delete_purchase_array);
                    writeLog("delete base_supplier_sale:" . $delete_purchase_sql);
                    $result = $pdo->exec($delete_purchase_sql);
                    if (!$result) {
                        throw new Exception("db die");
                    }
                }
            }

            //3.操作base_supplier_link表
            if(count($link) > 0)
            {
                if(count($link['update']) > 0)//修改
                {
                    $update_link_array = array();
                    foreach($link['update'] as $key => $value)
                    {
                        unset($value['link_id']);
                        $set_str = $this->getUpdateSet($value);
                        $update_link_array[] = "UPDATE base_supplier_link
                                                    SET update_user_id = " . $user_id . ",update_time = '" . $time . "'," . $set_str . "
                                                    WHERE
                                                        id = " . $key;
                    }
                    $update_link_sql = implode(";",$update_link_array);
                    writeLog("UPDATE base_supplier_link:" . $update_link_sql);
                    $result = $pdo->exec($update_link_sql);
                    if (!$result) {
                        throw new Exception("db die");
                    }
                }

                if(count($link['insert']) > 0)//增加
                {
                    $insert_link_sql = "INSERT INTO base_supplier_link (
                                                create_user_id,
                                                create_time,
                                                supplier_id,
                                                link_name,
                                                contact_name,
                                                contact_mobile,
                                                contact_telphone,
                                                fax,
                                                email,
                                                remark
                                            )
                                            VALUES";
                    foreach($link['insert'] as $key => $value)
                    {
                        $link_sql_array[] = "(" . $user_id . ",'" . $time . "'," . $supply_id . ",'" . $value['link_name'] . "','" . $value['contact_name'] . "','" . $value['contact_mobile'] . "','" . $value['contact_telphone'] . "','" . $value['fax'] . "','" . $value['email'] . "','" . $value['remark'] . "')";
                    }
                    $insert_link_sql .= implode(",", $link_sql_array);
                    writeLog("INSERT base_supplier_purchase:" . $insert_link_sql);
                    $result = $pdo->exec($insert_link_sql);
                    if (!$result) {
                        throw new Exception("db die");
                    }
                }
                if(count($link['delete']) > 0)//删除
                {
                    $delete_link_array = array();
                    foreach($link['delete'] as $key => $value)
                    {
                        $delete_link_array[] = "UPDATE base_supplier_link
                                                    SET update_user_id = " . $user_id . ",update_time = '" . $time . "',cancel_flag = 1
                                                    WHERE
                                                        id = " . $key;
                    }
                    $delete_link_sql = implode(";",$delete_link_array);
                    writeLog("delete base_supplier_sale:" . $delete_link_sql);
                    $result = $pdo->exec($delete_link_sql);
                    if (!$result) {
                        throw new Exception("db die");
                    }
                }
            }

            $pdo->commit();

            //4.删除缓存
            $key = $_COOKIE['memcache'];
            delete_memcache('ZHANGS_LINK' . $key);
            delete_memcache('ZHANGS_SALE' . $key);

            $json['code'] = '0';
            $json['info'] = '修改数据成功';
        } catch (PDOException $ex) {
            $pdo->rollBack();
            $json['code'] = '1';
            $json['info'] = '修改失败';
        }
        return $json;
    }
}
$supply_id = trim($_POST['supply_id']);//供应商id
$supplier_name = trim($_POST['supplier_name']);//供应商名称
$area_id = trim($_POST['area_id']);//所属区域市id
$company_name = trim($_POST['company_name']);//公司名称
$purchase = trim($_POST['purchase']);//采购详情
$sett_type = trim($_POST['sett_type']);//结算方式 (授信:275，预付:288，单结:292)
$sett_frequency = trim($_POST['sett_frequency']);//结算周期(日结:293，周结:294，月结:295)
$account_bank = trim($_POST['account_bank']);//开户银行
$account_num = trim($_POST['account_num']);//银行账号
$account_name = trim($_POST['account_name']);//账号名称
$link_info = trim($_POST['link_info']);//联系人详情

$update_supply = new update_supply();
$update_supply -> execUpdateSupply($supply_id,$supplier_name, $area_id, $company_name,$purchase, $sett_type, $sett_frequency, $account_bank, $account_num, $account_name, $link_info)
?>