ln.provider.data.phone/BilledCDR.cs

// /**
//  * File: BilledCDR.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using System;
namespace ln.provider.data.phone
{
    public class BilledCDR
    {
        public CDR CDR { get; }
        public Rate Rate { get; }

        public int BilledDuration
        {
            get
            {
                if (CDR.DurationToBill.TotalSeconds < Rate.FirstBillingInterval)
                    return Rate.FirstBillingInterval;

                int totalSeconds = (int)CDR.DurationToBill.TotalSeconds;
                int mod = totalSeconds % Rate.RegularBillingInterval;
                if (mod > 0)
                    totalSeconds = totalSeconds - mod + Rate.RegularBillingInterval;

                return totalSeconds;
            }
        }

        public int PricePerThousand => ((Rate.ThousandsPerMinute * BilledDuration) / 60);

        public BilledCDR(CDR cdr,Rate rate)
        {
            CDR = cdr;
            Rate = rate;
        }
    }
}