namespace YLErp.Modules.ToolsModule
{
    public class EodExchangeOptionPriceService : YLBaseService
    {
        public EodExchangeOptionPriceService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        /// <summary>
        /// 获取完结盈亏
        /// </summary>
        public double GetEndPnl(DateTime endDate, DateTime? startDate = null)
        {
            if (startDate == null)
            {
                startDate = endDate;
            }

            var query = from db in DbContext.Exchange_Option_Trade
                        where db.ExerciseDate <= endDate && db.ExerciseDate >= startDate.Value
                        select (db.ExercisePrice - db.TradePrice) * (db.TradeType == "多头" ? 1 : -1);
            return query.Any() ? query.Sum() : 0;
        }
    }
}