EvoCalculator.Core/EvoCalculator.Core.Calculation/Columns/BaseColumnWithXNPV.cs

using System;
using EvoCalculator.Core.FinanceFormulas;
using EvoCalculator.Core.Models.Calculation.Models;

namespace EvoCalculator.Core.Calculation.Columns
{
    public class BaseColumnWithXNPV : BaseColumn<double>
    {
        private readonly double rate;

        public BaseColumnWithXNPV(int count, DateTempColumn dateTempColumn, double rate) : base(count)
        {
            Dates = dateTempColumn.Values;
            this.rate = rate;
        }

        private DateTime[] Dates { get; }

        private Flow[] Flows
        {
            get
            {
                var flows = new Flow[Values.Length];
                for (var i = 0; i < Values.Length; i++)
                    flows[i] = new Flow
                    {
                        Date = Dates[i],
                        Value = Values[i]
                    };

                return flows;
            }
        }

        public double XNPV
        {
            get
            {
                var XNPV = new XNPV(Flows, rate);
                return XNPV.GetResult();
            }
        }
    }
}