public bool ChangeTarrif(ITarrif newTarrif)
{
if (this.Tarrif == newTarrif)
{
return(true);
}
var curDate = DateTime.Now;
if (this.Statistic.LastDatePayment + this.PaymentPeriod >= curDate)
{
this.Tarrif = newTarrif;
this.Statistic.LastChangePlan = curDate;
return(true);
}
return(false);
}
public Account(IAgreement agreement, ITarrif tarrif, TimeSpan tarrifChangePeriod, TimeSpan paymentPeriod)
{
if (agreement == null) throw new ArgumentNullException(nameof(agreement));
if (tarrif == null) throw new ArgumentNullException(nameof(tarrif));
this.Agreement = agreement;
this.Client = Agreement.Client;
this.Statistic = new Statistic()
{
LastDatePayment = Agreement.AcceptedDate,
LastChangePlan = Agreement.AcceptedDate
};
this.Tarrif = tarrif;
this.TarrifChangePeriod = tarrifChangePeriod;
this.PaymentPeriod = paymentPeriod;
}
public Account(IAgreement agreement, ITarrif tarrif, TimeSpan tarrifChangePeriod, TimeSpan paymentPeriod)
{
if (agreement == null)
{
throw new ArgumentNullException(nameof(agreement));
}
if (tarrif == null)
{
throw new ArgumentNullException(nameof(tarrif));
}
this.Agreement = agreement;
this.Client = Agreement.Client;
this.Statistic = new Statistic()
{
LastDatePayment = Agreement.AcceptedDate,
LastChangePlan = Agreement.AcceptedDate
};
this.Tarrif = tarrif;
this.TarrifChangePeriod = tarrifChangePeriod;
this.PaymentPeriod = paymentPeriod;
}
public bool ChangeTarrif(ITarrif newTarrif)
{
if (this.Tarrif == newTarrif)
return true;
var curDate = DateTime.Now;
if (this.Statistic.LastDatePayment + this.PaymentPeriod >= curDate)
{
this.Tarrif = newTarrif;
this.Statistic.LastChangePlan = curDate;
return true;
}
return false;
}