public ApiResult ApplyRefund([FromBody] RefundApplyModel apply)
{
Argument.ThrowIfNullOrEmpty(apply.Reason, "退款原因");
if (apply.RefundAmount <= 0)
{
throw new WebApiInnerException("0009", "退款金额不能小于等于0");
}
if (apply.OrderId.Equals(Guid.Empty))
{
throw new WebApiInnerException("0001", "订单Id不合法");
}
var order = _currencyService.GetSingleById <Order>(apply.OrderId);
if (order == null)
{
throw new WebApiInnerException("0002", "订单不存在");
}
if (order.OrderStatus == OrderStatus.WaitingForDelivery && apply.RefundType == RefundType.RefundAndReturn)
{
throw new WebApiInnerException("0003", "订单未发货，不能申请退款并退货");
}
if (order.OrderStatus != OrderStatus.WaitingForDelivery && order.OrderStatus != OrderStatus.WaitingForReceiving)
{
throw new WebApiInnerException("0004", "当前订单状态不能申请退款");
}
if (!order.MemberId.Equals(AuthorizedUser.Id))
{
throw new WebApiInnerException("0005", "只能对自己的订单申请退款");
}
var singleGoods = _currencyService.GetSingleByConditon <OrderGoods>(x => x.OrderId == apply.OrderId && x.SingleGoodsId == apply.SingleGoodsId);
if (singleGoods == null)
{
throw new WebApiInnerException("0006", "商品不存在");
}
if (singleGoods.RefundStatus != OrderRefundStatus.NoRefund)
{
throw new WebApiInnerException("0007", "已申请退款不可重复申请");
}
var maxRefundAmount = singleGoods.Price * singleGoods.Quantity;
if (order.IntegralMoney > 0)
{
maxRefundAmount -= order.IntegralMoney * (singleGoods.Price * singleGoods.Quantity / order.GoodsAmount);
}
if (apply.RefundAmount > maxRefundAmount)
{
throw new WebApiInnerException("0008", "退款金额不能大于单品实付金额");
}
var model = new OrderRefund()
{
OrderId = apply.OrderId,
SingleGoodsId = apply.SingleGoodsId,
RefundType = apply.RefundType,
RefundAmount = apply.RefundAmount,
Reason = apply.Reason
};
_refundService.CreateOrderRefund(model);
ApiResult result = new ApiResult();
return(result);
}