@page
@using Microsoft.AspNetCore.Mvc
@using System.Collections.Generic;
@using System.Data;
@using System.Data.SqlClient;
@using ZoomLa.BLL;
@using ZoomLa.BLL.API;
@using ZoomLa.Common;
@using ZoomLa.Model;
@using ZoomLa.Safe;
@using ZoomLa.BLL.Alipay
@using ZoomLa.BLL.Shop
@model PageModel
@functions{
    public class PageModel : Page_Base
    {
        public IActionResult OnGet()
        {
            string result = new AlipayProcess(HttpContext).Process();
            return Content(result);
        }
        public IActionResult OnPost()
        {
            string result = new AlipayProcess(HttpContext).Process();
            return Content(result);
        }
    }
    private class AlipayProcess
    {
        private string PayPlat = "支付宝在线支付:";
        B_Order_PayLog paylogBll = new B_Order_PayLog();//支付日志类,用于记录用户付款信息
        B_OrderList orderBll = new B_OrderList();
        B_CartPro cartBll = new B_CartPro();//数据库中购物车业务类
        B_User buser = new B_User();
        B_PayPlat payPlatBll = new B_PayPlat();
        B_Payment payBll = new B_Payment();
        OrderCommon orderCOM = new OrderCommon();
        private HttpRequest Request = null;
        private HttpResponse Response = null;
        public AlipayProcess(HttpContext ctx)
        {
            this.Request = ctx.Request;
            this.Response = ctx.Response;
        }
        public string Process()
        {
            string result = "fail";
            //DataTable pay = payPlatBll.GetPayPlatByClassid(12);
            M_PayPlat platMod = payPlatBll.SelModelByClass(M_PayPlat.Plat.Alipay_Instant);
            SortedDictionary<string, string> sArrary = GetRequestPost();
            ///////////////////////以下参数是需要设置的相关配置参数，设置后不会更改的//////////////////////
            ZoomLa.Model.M_Alipay_config con = new ZoomLa.Model.M_Alipay_config();
            string partner = platMod.AccountID;
            string key = platMod.MD5Key;
            string input_charset = con.Input_charset;
            string sign_type = con.Sign_type;
            string transport = con.Transport;
            //////////////////////////////////////////////////////////////////////////////////////////////
            if (sArrary.Count > 0)//判断是否有带返回参数
            {
                B_Alipay_notify aliNotify = new B_Alipay_notify(sArrary, Request.Form["notify_id"], partner, key, input_charset, sign_type, transport);
                string responseTxt = aliNotify.ResponseTxt; //获取远程服务器ATN结果，验证是否是支付宝服务器发来的请求
                string sign = Request.Form["sign"];
                string mysign = aliNotify.Mysign;           //获取通知返回后计算后（验证）的签名结果
                                                            //判断responsetTxt是否为ture，生成的签名结果mysign与获得的签名结果sign是否一致
                                                            //responsetTxt的结果不是true，与服务器设置问题、合作身份者ID、notify_id一分钟失效有关
                                                            //mysign与sign不等，与安全校验码、请求时的参数格式（如：带自定义参数等）、编码格式有关
                string order_no = Request.Form["out_trade_no"];     //获取订单号
                ZLLog.L(ZLEnum.Log.pay, PayPlat + aliNotify.ResponseTxt + ":" + order_no + ":" + Request.Form["buyer_email"] + ":" + Request.Form["trade_status"] + ":" + Request.Form["price"] + ":" + Request.Form["subject"]);
                if (responseTxt == "true" && sign == mysign)//验证成功
                {
                    //——请根据您的业务逻辑来编写程序（以下代码仅作参考）——
                    //获取通知返回参数，可参考技术文档中服务器异步通知参数列表
                    string trade_no = Request.Form["trade_no"];         //交易号
                    string total_fee = Request.Form["price"];           //获取总金额
                    string subject = Request.Form["subject"];           //商品名称、
                    string body = Request.Form["body"];                 //商品描述、订单备注、描述
                    string buyer_email = Request.Form["buyer_email"];   //买家账号
                    string trade_status = Request.Form["trade_status"]; //交易状态
                    if (Request.Form["trade_status"] == "WAIT_BUYER_PAY")//没有付款
                    {

                    }
                    else if (trade_status.Equals("WAIT_SELLER_SEND_GOODS"))//付款成功，但是卖家没有发货
                    {

                    }
                    else if (trade_status.Equals("TRADE_SUCCESS"))//付款成功
                    {
                        try
                        {
                            M_Payment pinfo = payBll.SelModelByPayNo(order_no);
                            if (pinfo.Status != (int)M_Payment.PayStatus.NoPay) { return "fail"; }
                            pinfo.Status = (int)M_Payment.PayStatus.HasPayed;
                            pinfo.PlatformInfo = PayPlat;    //平台反馈信息
                            pinfo.SuccessTime = DateTime.Now;//交易成功时间
                            pinfo.CStatus = true; //处理状态
                            pinfo.AlipayNO = trade_no;//保存支付宝交易号
                            pinfo.MoneyTrue = Convert.ToDouble(total_fee);
                            payBll.Update(pinfo);
                            DataTable orderDT = orderBll.GetOrderbyOrderNo(pinfo.PaymentNum);
                            foreach (DataRow dr in orderDT.Rows)
                            {
                                M_Order_PayLog paylogMod = new M_Order_PayLog();
                                M_OrderList orderMod = orderBll.SelModelByOrderNo(dr["OrderNo"].ToString());
                                OrderHelper.FinalStep(pinfo, orderMod, paylogMod);
                                orderCOM.SendMessage(orderMod, paylogMod, "payed");
                            }
                            ZLLog.L(ZLEnum.Log.pay, PayPlat + "成功!支付单:" + order_no);
                            return "success";
                        }
                        catch (Exception ex)
                        {
                            ZLLog.L(ZLEnum.Log.pay, new M_Log()
                            {
                                Action = "支付回调报错",
                                Message = PayPlat + ",支付单:" + order_no + ",原因:" + ex.Message
                            });
                        }
                    }
                    else if (Request.Form["trade_status"] == "WAIT_BUYER_CONFIRM_GOODS")//卖家已经发货，等待买家确认
                    {

                    }
                    else if (Request.Form["trade_status"] == "TRADE_FINISHED")
                    {
                    }
                    else//其他状态判断。普通即时到帐中，其他状态不用判断，直接打印success。
                    {
                        ZLLog.L(PayPlat + "付款未成功截获,单号:[" + trade_status + "]");
                    }
                }
                else//验证失败
                {
                    ZLLog.L(ZLEnum.Log.pay, new M_Log()
                    {
                        Action = "支付验证失败",
                        Message = PayPlat + ",支付单:" + order_no
                    });
                    return "fail";
                }
            }
            else
            {
                result = "success";
            }
            return result;
        }
        /// <summary>
        /// 获取POST过来通知消息，并以“参数名=参数值”的形式组成数组
        /// </summary>
        /// <returns>request回来的信息组成的数组</returns>
        private SortedDictionary<string, string> GetRequestPost()
        {
            //int i = 0;
            SortedDictionary<string, string> sArray = new SortedDictionary<string, string>();
            ////Load Form variables into NameValueCollection variable.
            //var coll = Request.Form;

            //// Get names of all forms into a string array.
            //String[] requestItem = coll.Keys;

            //for (i = 0; i < requestItem.Length; i++)
            //{
            //    sArray.Add(requestItem[i], Request.Form[requestItem[i]]);
            //}
            foreach (var item in Request.Form)
            {
                sArray.Add(item.Key, Request.GetParam(item.Key));
            }
            return sArray;
        }
    }

}
@{ 
    Layout = null;
}