90 lines
3.3 KiB
C#
Executable File
90 lines
3.3 KiB
C#
Executable File
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using MarketData.Utils;
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using System.Collections.ObjectModel;
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namespace MarketData.Helper
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{
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public class TimeZoneHelper
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{
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private DateGenerator dateGenerator=new DateGenerator();
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private DateTime startDate;
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private DateTime endDate;
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private DateTime prevBusinessDate;
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private DateTime easternTime;
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private TimeZoneInfo localZone = TimeZoneInfo.Local;
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private TimeZone currentTimeZone=TimeZone.CurrentTimeZone;
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private static TimeZoneInfo easternTimeZone = GetEasternTimeZone();
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public TimeZoneHelper()
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{
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startDate=DateTime.Now;
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endDate = startDate; // the most recent date
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prevBusinessDate=startDate;
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prevBusinessDate = dateGenerator.GetPrevBusinessDay(endDate);
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easternTime=new DateTime(prevBusinessDate.Year,prevBusinessDate.Month,prevBusinessDate.Day,20,30,0);
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if(!currentTimeZone.DaylightName.Equals("Eastern Daylight Time")&&!currentTimeZone.DaylightName.Equals("Eastern Time (US & Canada)"))
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{
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easternTime=TimeZoneInfo.ConvertTimeToUtc(new DateTime(easternTime.Year,easternTime.Month,easternTime.Day,20,30,0),easternTimeZone);
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}
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if(prevBusinessDate.Equals(endDate)&&DateTime.Now.TimeOfDay<new TimeSpan(easternTime.Hour,easternTime.Minute,easternTime.Second))
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{
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prevBusinessDate=dateGenerator.FindPrevBusinessDay(prevBusinessDate);
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}
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}
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public TimeZoneHelper(DateTime startDate)
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{
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this.startDate=startDate;
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endDate = startDate; // the most recent date
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prevBusinessDate=startDate;
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prevBusinessDate = dateGenerator.GetPrevBusinessDay(endDate);
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easternTime=new DateTime(prevBusinessDate.Year,prevBusinessDate.Month,prevBusinessDate.Day,20,30,0);
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if(!currentTimeZone.DaylightName.Equals("Eastern Daylight Time")&&!currentTimeZone.DaylightName.Equals("Eastern Time (US & Canada)"))
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{
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easternTime = TimeZoneInfo.ConvertTimeToUtc(new DateTime(easternTime.Year, easternTime.Month, easternTime.Day, 20, 30, 0), easternTimeZone);
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}
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if(prevBusinessDate.Equals(endDate)&&DateTime.Now.TimeOfDay<new TimeSpan(easternTime.Hour,easternTime.Minute,easternTime.Second))
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{
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prevBusinessDate=dateGenerator.FindPrevBusinessDay(prevBusinessDate);
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}
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}
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private static TimeZoneInfo GetEasternTimeZone()
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{
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TimeZoneInfo timeZoneInfo = null;
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ReadOnlyCollection<TimeZoneInfo> timeZones;
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timeZones= TimeZoneInfo.GetSystemTimeZones();
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for (int index = 0; index < timeZones.Count; index++)
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{
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timeZoneInfo = timeZones[index];
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if (timeZoneInfo.DisplayName.Equals("Eastern Daylight Time")||timeZoneInfo.DisplayName.Equals("Eastern Time (US & Canada)")||
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timeZoneInfo.DaylightName.Equals("Eastern Daylight Time")||timeZoneInfo.StandardName.Equals("Eastern Standard Time")) break;
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}
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return timeZoneInfo;
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}
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public DateTime StartDate
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{
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get{return startDate;}
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}
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public DateTime EndDate
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{
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get{return endDate;}
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}
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public DateTime PrevBusinessDate
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{
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get{return prevBusinessDate;}
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}
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public DateTime EasternTime
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{
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get{return easternTime;}
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}
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public DateGenerator DateGenerator
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{
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get{return dateGenerator;}
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}
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}
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}
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