async def RebateAdd(ns={}):
    """
    add reseller rebate
      `id` VARCHAR(32)   comment 'id',
      `resellerid` VARCHAR(32)   comment '分销商id',
      `productid` VARCHAR(32)   comment '产品id',
      `level` int   comment '级别',
      `sale_amount` double(18,2)   comment '最低销售额',
      `rebate_rate` double(18,2)   comment '返佣率',
      `start_date` date   comment '起效日期',
      `end_date` date   comment '失效日期',
    :param ns:
    :return:
    """
    await get_user()
    if not ns:
        return {
            "status": False,
            "msg": "rebate data is empty, please check"
        }
    if not ns.get('end_date'):
        ns['end_date'] = '9999-12-31'
    ns_ctl = {
        'id': uuid(),
        'resellerid': ns.get('resellerid'),
        'productid': ns.get('productid'),
        'rebateid': uuid(),
        'start_date': ns.get('start_date'),
        'end_date': ns.get('end_date'),
    }
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        try:
            if ns.get('resellerid') and ns.get('productid'):
                ns_exists_rebate = {
                    'resellerid': ns.get('resellerid'),
                    'productid': ns.get('productid'),
                    'sort': ['start_date'],
                    'del_flg': '0'
                }
                ns['del_flg'] = 0
                same_productid = await sor.R('rp_rebate_ctl', ns_exists_rebate)
                insert_date = datetime.datetime.strptime(ns['start_date'], '%Y-%m-%d').date()
                for index, prd in enumerate(same_productid):
                    start_date = datetime.datetime.strptime(prd['start_date'], '%Y-%m-%d').date()
                    end_date = datetime.datetime.strptime(prd['end_date'], '%Y-%m-%d').date()
                    if index == 0 and insert_date < start_date:
                        ns_ctl['end_date'] = start_date
                        await sor.C('rp_rebate_ctl', ns_ctl)
                        break
                    if index == len(same_productid) - 1 and insert_date > start_date:
                        prd['end_date'] = ns_ctl.get('start_date')
                        await sor.U('rp_rebate_ctl', prd)
                        ns_ctl['end_date'] = '9999-12-31'
                        await sor.C('rp_rebate_ctl', ns_ctl)
                        break
                    if start_date < insert_date < end_date:
                        ns_ctl['end_date'] = prd.get('end_date')
                        prd['end_date'] = ns.get('start_date')
                        await sor.U('rp_rebate_ctl', prd)
                        await sor.C('rp_rebate_ctl', ns_ctl)
                        break
                    if start_date == insert_date:
                        return {
                            "status": False,
                            "msg": "Warning: The current date has already been configured"
                        }
                if not same_productid:
                    ns_ctl['end_date'] = '9999-12-31'
                    await sor.C('rp_rebate_ctl', ns_ctl)

                return {
                    "status": True,
                    "msg": "rebate ctl add success"
                }
            elif ns.get('rebateid'):
                ns['id'] = uuid()
                await sor.C('rp_rebate', ns)
                return {
                    'status': True,
                    'msg': 'rebate add success'
                }

        except Exception as e:
            raise e
    return {
        "status": False,
        "msg": "rebate add failed"
    }
			

ret = await RebateAdd(params_kw)
return ret