从山证v2.3.0拷贝

YLErpDAL/Modules/TradeModule/TradeObservationHelper.cs

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+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);
+            }
+        }
+    }
+}