internal static string ToPostDataString(this WxPayApiType value)
{
return(Enum.GetName(typeof(WxPayApiType), value).ToUpper());
}
public async Task <OrderReceipt> PlaceOrder(string appID, string mechantID, string deviceInfo, string description, IEnumerable <GoodsDetails> details, string attachNote, string orderID, string currency, int totalAmount, string clientIP, DateTime?validFrom, DateTime?expireAt, string couponTag, string callbackUrl, WxPayApiType apiType, string productID, WxPayPaymentLimit paymentLimit, string userOpenID)
{
dynamic postData = new WxPayData(_configuration.APIKey);
postData.appid = appID;
postData.mch_id = mechantID;
postData.device_info = deviceInfo;
postData.body = description;
postData.detail = SerializeGoodsDetails(details);
postData.attach = attachNote;
postData.out_trade_no = orderID;
postData.fee_type = currency;
postData.total_fee = totalAmount;
postData.spbill_create_ip = clientIP;
postData.time_start = ConvertToEast8TimeString(validFrom);
postData.time_expire = ConvertToEast8TimeString(expireAt);
postData.goods_tag = couponTag;
postData.notify_url = callbackUrl;
postData.trade_type = apiType.ToPostDataString();
postData.product_id = productID;
postData.limit_pay = paymentLimit.ToPostDataString();
postData.openid = userOpenID;
postData.Sign();
HttpContent postContent = new ByteArrayContent(postData.ToByteArray());
var response = await _httpClient.PostAsync("unifiedorder", postContent);
if (!response.IsSuccessStatusCode)
{
throw new WxPayResponseInvalidException();
}
var resContent = await response.Content.ReadAsStringAsync();
var resData = WxPayData.FromXml(resContent, _configuration.APIKey);
if (resData.IsReturnedValid)
{
if (resData.VerifySignature())
{
return(OrderReceipt.FromWxPayData(resData));
}
else
{
throw new WxPaySignatureInvalidException("PlaceOrder return error");
}
}
else
{
throw new WxPayResponseInvalidException(resData.ReturnedError);
}
}