WeekOpen.Indicator

using System;
using cAlgo.API;
 
namespace cAlgo.Indicators
{
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class WeekOpen : Indicator
    {
        [Output("Open", Color = Colors.Green, PlotType = PlotType.Line, Thickness = 5)]
        public IndicatorDataSeries Open { get; set; }
 
        //[Output("Close", Color = Colors.Blue, PlotType = PlotType.Points)]
        //public IndicatorDataSeries Close { get; set; }
 
 
 
 
        public double openprice = 0;
 
        public override void Calculate(int index)
        {
 
            if (index < 1)
            {
                // If first bar is first bar of the day set open
                if (MarketSeries.OpenTime[index].TimeOfDay == TimeSpan.Zero)
                    Open[index] = MarketSeries.Open[index];
                return;
            }
 
            DateTime openTime = MarketSeries.OpenTime[index];
            DateTime lastOpenTime = MarketSeries.OpenTime[index - 1];
            const string objectName = "messageNA";
 
            if (!ApplicableTimeFrame(openTime, lastOpenTime))
            {
                // Display message that timeframe is N/A
                const string text = "TimeFrame Not Applicable. Choose a lower Timeframe";
                ChartObjects.DrawText(objectName, text, StaticPosition.TopLeft, Colors.Red);
                return;
            }
 
            // If TimeFrame chosen is applicable remove N/A message
            ChartObjects.RemoveObject(objectName);
 
            // Plot Daily Open and Close
            PlotDailyOpenClose(openTime, lastOpenTime, index);
 
            var name1 = "Dn";
            var text1 = "Open : " + openprice.ToString();
            var staticPos = StaticPosition.TopRight;
            var color = Colors.Yellow;
            ChartObjects.DrawText(name1, text1, staticPos, color);
 
        }
 
        private bool ApplicableTimeFrame(DateTime openTime, DateTime lastOpenTime)
        {
            // minutes difference between bars
            var timeFrameMinutes = (int)(openTime - lastOpenTime).TotalMinutes;
 
            bool daily = timeFrameMinutes == 1440;
            bool weeklyOrGreater = timeFrameMinutes >= 7200;
 
            bool timeFrameNotApplicable = daily || weeklyOrGreater;
 
            if (timeFrameNotApplicable)
                return false;
 
            return true;
        }
 
        private void PlotDailyOpenClose(DateTime openTime, DateTime lastOpenTime, int index)
        {
 
            DateTime currentTime = MarketSeries.OpenTime[MarketSeries.OpenTime.Count - 1];
            DateTime previousTime = MarketSeries.OpenTime[MarketSeries.OpenTime.Count - 2];
 
            int index1 = MarketSeries.OpenTime.Count - 1;
 
            // Day change
            //if (openTime.Day != lastOpenTime.Day)
            if (currentTime.DayOfWeek == DayOfWeek.Monday && previousTime.DayOfWeek != DayOfWeek.Monday)
            {
                // Plot Open
                Open[index] = MarketSeries.Open[index];
                openprice = MarketSeries.Open[index];
            }
            // Same Day
            else
            {
                // Plot Open
                Open[index] = Open[index - 1];
                //openprice = MarketSeries.Open[index];
            }
 
            // Plot todays close
            DateTime today = DateTime.Now.Date;
            if (openTime.Date != today)
                return;
        }
    }
}