public async Task <UnifiedOrderResponse> UnifiedOrderAsync(UnifiedOrderRequest order)
{
if (order == null)
{
throw new ArgumentException("order cannot be null", nameof(order));
}
if (order.EmbedTradeType == TradeType.App)
{
if ((order.Detail ?? "").Length > 8192)
{
throw new ValidationException("detail field cannot exceed 8192 characters");
}
if (order.EmbedDetail != null)
{
foreach (var d in order.EmbedDetail.GoodsDetail)
{
if (string.IsNullOrEmpty(d.GoodsCategory))
{
throw new ValidationException("goods_category is required");
}
if (string.IsNullOrEmpty(d.Body))
{
throw new ValidationException("body is required");
}
}
}
}
if (order.EmbedTradeType == TradeType.Jsapi)
{
if ((order.Detail ?? "").Length > 6000)
{
throw new ValidationException("detail field cannot exceed 6000 characters");
}
if (order.OpenId == null)
{
throw new ValidationException($"{nameof(order.OpenId)}is reqiured");
}
}
if (order.EmbedTradeType == TradeType.Native)
{
if ((order.Detail ?? "").Length > 6000)
{
throw new ValidationException("detail field cannot exceed 6000 characters");
}
}
order.Preparing(_paymentContext);
_signatureService
.GenNonce(nonce => { order.NonceStr = nonce; })
.GenSign(_paymentContext.MchKey, order, sign => { order.Sign = sign; });
_validationProvider.Validate(order);
var response = await _httpClient.PostAsync <UnifiedOrderResponse>("api_url", async writer => {
await _xmlSerializer.SerializeAsync(order, writer);
});
return(response);
}