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#EQD-5718 【缺陷转需求】-国联民生-利息端计息方式与结算规则扩充

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吴方海
2026-05-08 15:09:58 +08:00
parent 689616820a
commit 95686f4c4d
14 changed files with 2227 additions and 242 deletions
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YLErpDAL/QdpModule/QdpObservationHelper.cs
+195 -1
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@@ -1,4 +1,4 @@
using Qdp.Foundation.Implementations;
using Qdp.Foundation.Implementations;
using Qdp.Pricing.Base.Enums;
using Qdp.Pricing.Base.Implementations;
using System.Runtime.CompilerServices;
@@ -220,5 +220,199 @@ namespace YLErp.QdpModule
var monthlyDates = GetDefaultKoObservationDatesForSnowbal(startDate, endDate);
return monthlyDates.Select(x => (Date)x).ToArray();
}
public static DateTime[] GetDatesWithFixedTerm(
DateTime startDate,
DateTime endDate,
string termStr,
string calendarStr,
BusinessDayConvention bdc = BusinessDayConvention.None,
bool alignEnd = false,
string calcMode = "01")
{
if (!Term.IsTerm(termStr))
{
return null;
}
var calendarName = string.IsNullOrEmpty(calendarStr) ? "chn" : calendarStr.ToLower();
return GetDatesWithFixedTerm(startDate, endDate, new Term(termStr), calendarName, bdc, alignEnd, calcMode);
}
public static DateTime[] GetDatesWithFixedTerm(
DateTime startDate,
DateTime endDate,
Term term,
string calendarStr,
BusinessDayConvention bdc = BusinessDayConvention.None,
bool alignEnd = false,
string calcMode = "01")
{
var calendarName = string.IsNullOrEmpty(calendarStr) ? "chn" : calendarStr.ToLower();
return alignEnd
? GetDatesWithFixedTermStartAlignEnd(startDate, endDate, term, calendarName, bdc, calcMode)
: GetDatesWithFixedTermStartAlignStart(startDate, endDate, term, calendarName, bdc, calcMode);
}
private static DateTime[] GetDatesWithFixedTermStartAlignEnd(
DateTime startDate,
DateTime endDate,
Term term,
string calendarName,
BusinessDayConvention bdc = BusinessDayConvention.None,
string calcMode = "01")
{
var qdpStart = new Date(startDate);
var qdpEnd = new Date(endDate);
var dates = new List<Date>();
var calendar = CalendarImpl.Get(calendarName);
if (calcMode == "11")
{
while (qdpEnd >= qdpStart)
{
dates.Add(qdpEnd);
qdpEnd = term.Prev(qdpEnd);
}
}
else if (calcMode == "10")
{
qdpEnd = term.Prev(qdpEnd);
while (qdpEnd >= qdpStart)
{
dates.Add(qdpEnd);
qdpEnd = term.Prev(qdpEnd);
}
}
else if (calcMode == "01")
{
while (qdpEnd > qdpStart)
{
dates.Add(qdpEnd);
qdpEnd = term.Prev(qdpEnd);
}
}
else if (calcMode == "00")
{
qdpEnd = term.Prev(qdpEnd);
while (qdpEnd > qdpStart)
{
dates.Add(qdpEnd);
qdpEnd = term.Prev(qdpEnd);
}
}
if (dates.Count == 0)
{
dates.Add(new Date(endDate));
}
dates = dates.Select(d => calendar.Adjust(d, bdc)).Distinct().ToList();
dates.Reverse();
return dates.Select(x => x.DateTime).ToArray();
}
private static DateTime[] GetDatesWithFixedTermStartAlignStart(
DateTime startDate,
DateTime endDate,
Term term,
string calendarName,
BusinessDayConvention bdc = BusinessDayConvention.None,
string calcMode = "01")
{
var qdpStart = new Date(startDate);
var qdpEnd = new Date(endDate);
var dates = new List<Date>();
var calendar = CalendarImpl.Get(calendarName);
if (calcMode == "11")
{
while (qdpStart <= qdpEnd)
{
dates.Add(qdpStart);
qdpStart = term.Next(qdpStart);
}
}
else if (calcMode == "10")
{
while (qdpStart < qdpEnd)
{
dates.Add(qdpStart);
qdpStart = term.Next(qdpStart);
}
}
else if (calcMode == "01")
{
qdpStart = term.Next(qdpStart);
while (qdpStart <= qdpEnd)
{
dates.Add(qdpStart);
qdpStart = term.Next(qdpStart);
}
}
else if (calcMode == "00")
{
qdpStart = term.Next(qdpStart);
while (qdpStart < qdpEnd)
{
dates.Add(qdpStart);
qdpStart = term.Next(qdpStart);
}
}
dates = dates.Select(d => calendar.Adjust(d, bdc)).Distinct().ToList();
if (dates.Count == 0)
{
dates.Add(qdpEnd);
}
return dates.Select(x => x.DateTime).ToArray();
}
public static ObservationSettleDateResult[] GetObservationAndSettleDates(
DateTime startDate,
DateTime endDate,
string termStr,
string calendarStr,
int settlementRules,
BusinessDayConvention bdc = BusinessDayConvention.None,
bool alignEnd = false,
string calcMode = "01")
{
if (!Term.IsTerm(termStr))
{
return null;
}
var calendarName = string.IsNullOrEmpty(calendarStr) ? "chn" : calendarStr.ToLower();
var calendar = CalendarImpl.Get(calendarName);
var term = new Term(termStr);
DateTime[] observationDates = alignEnd
? GetDatesWithFixedTermStartAlignEnd(startDate, endDate, term, calendarName, bdc, calcMode)
: GetDatesWithFixedTermStartAlignStart(startDate, endDate, term, calendarName, bdc, calcMode);
var results = new List<ObservationSettleDateResult>();
foreach (var obsDate in observationDates)
{
var settleDate = obsDate.AddDays(settlementRules);
settleDate = calendar.Adjust(new Date(settleDate), bdc).DateTime;
results.Add(new ObservationSettleDateResult
{
ObservationDate = obsDate,
SettleDate = settleDate
});
}
return results.ToArray();
}
}
public class ObservationSettleDateResult
{
public DateTime ObservationDate { get; set; }
public DateTime SettleDate { get; set; }
}
}