zszq-trs/YLErpDAL/Modules/TradeModule/TradeObservationHelper.cs

using Qdp.Foundation.Implementations;
using YLErp.QdpModule;

namespace YLErp.Modules.TradeModule
{
    /// <summary>
    /// 交易观察频率帮助类(迁移自tradeController)
    /// </summary>
    public static class TradeObservationHelper
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="observationDates"></param>
        /// <param name="valueDate"></param>
        /// <returns></returns>
        public static double? GetPriceByDate(string observationDates, DateTime valueDate)
        {
            var customizedResults = QdpHelper.ParseAutocallCustomizedInfo(observationDates);
            return GetPriceByDate(customizedResults, valueDate);
        }
        /// <summary>
        /// 与GetPriceByDate 区别 处理 凤凰敲出观察频率 与 票息观察频率区分 ，现在 敲出观察频率只有 观察日期 和障碍价格
        /// </summary>
        public static double? GetPriceByDateV2(string observationDates, DateTime valueDate)
        {
            var customizedResults = QdpHelper.ParseAutocallCustomizedInfoV3(observationDates);
            return GetPriceByDateV2(customizedResults, valueDate);
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="customizedResults"></param>
        /// <param name="valueDate"></param>
        /// <returns></returns>
        public static double? GetPriceByDate(Tuple<Date[], double[], double[]> customizedResults, DateTime valueDate)
        {
            var dates = customizedResults.Item1;

            if (dates == null)
            {
                return null;
            }

            var prices = customizedResults.Item2;
            var date = dates.FirstOrDefault(x => x.DateTime == valueDate);

            if (date != null)
            {
                if (prices != null && prices.Any())
                {
                    var price = prices[GetDateIndex(dates, date)];
                    return price;
                }
            }

            return null;
        }
        public static double? GetPriceByDateV2(Tuple<Date[], double[]> customizedResults, DateTime valueDate)
        {
            var dates = customizedResults.Item1;

            if (dates == null)
            {
                return null;
            }

            var prices = customizedResults.Item2;
            var date = dates.FirstOrDefault(x => x.DateTime == valueDate);

            if (date != null)
            {
                if (prices != null && prices.Any())
                {
                    var price = prices[GetDateIndex(dates, date)];
                    return price;
                }
            }

            return null;
        }
        public static int GetDateIndex(Date[] source, Date value)
        {
            var index = 0;
            foreach (var item in source)
            {
                if (item.DateTime == value.DateTime)
                {
                    return index;
                }

                index++;
            }
            return -1;
        }
        /// <summary>
        /// 凤凰 观察频率处理
        /// </summary>
        /// <param name="KOObservationDates"></param>
        /// <param name="CouponBarrier"></param>
        /// <returns></returns>
        public static (string, string) GetAutocallKOObservationAndCoupon(string KOObservationDates, double CouponBarrier)
        {
            var KOObservationStr = KOObservationDates.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries).ToList();
            if (KOObservationStr.Count > 0)
            {

                var KoDates = KOObservationStr[0].Split(new char[] { ',' }).ToList();
                var KoBarriers = KOObservationStr[1].Split(new char[] { ',' }).ToList();
                var KoBarriers1 = KOObservationStr[1].Split(new char[] { ',' }).ToList();
                var KoCoupon = new List<string>();
                //当所有障碍价为空
                if (KOObservationStr.Count == 2)
                {
                    KoBarriers = null;
                    KoBarriers1 = null;
                    KoCoupon = KOObservationStr[1].Split(new char[] { ',' }).ToList();
                }
                else
                {
                    KoCoupon = KOObservationStr[2].Split(new char[] { ',' }).ToList();
                }
                //票息观察处理 补充票息列
                string[] CouponBarriers = new string[KoDates.Count];
                for (int i = 0; i < KoDates.Count; i++)
                {
                    CouponBarriers[i] = CouponBarrier.ToString();
                }
                var Couponinfo = string.Join(",", KoDates) + ";" + string.Join(",", CouponBarriers) + ";" + string.Join(",", KoCoupon);

                //敲出观察处理 障碍价为空删除该观察日期
                var KOinfo = "";
                if (KoBarriers1 != null)
                {
                    for (int i = 0; i < KoBarriers1.Count; i++)
                    {
                        if (string.IsNullOrWhiteSpace(KoBarriers1[i]))
                        {
                            KoDates.RemoveAt(i);
                            KoBarriers1.RemoveAt(i);
                            i--;
                        }
                    }
                    if (KoBarriers1.Any())
                    {
                        KOinfo = string.Join(",", KoDates) + ";" + string.Join(",", KoBarriers1);
                    }
                }

                return (Couponinfo, KOinfo);
            }
            else
            {
                return (string.Empty, string.Empty);
            }
        }
    }
}