/// <summary>
/// Get customer amount due for the <c>month</c> of the <c>year</c>
/// </summary>
/// <param name="cust">The customer to get amount due</param>
/// <param name="month">The month</param>
/// <param name="year">The year</param>
/// <returns></returns>
public decimal?GetAmountDue(Customer cust, int month, int year)
{
decimal amountDue = 0;
// billing service does not support future date
if (DateTimeHelper.IsInFuture(month, year))
{
throw new InvalidOperationException("Future date is not supported. Please adjust month and year");
}
string amountDueRequestPath = AmountDueUrl
.Replace("{UUID}", cust.CustomerId)
.Replace("{MONTH}", month.ToString())
.Replace("{YEAR}", year.ToString());
try
{
JObject jsonObj = JObject.Parse(RestClientHelper.GetJson(BaseUrl, amountDueRequestPath));
var amountDueResult = jsonObj[AMOUNT_DUE_FIELD].FirstOrDefault();
if (amountDueResult != null)
{
amountDue = decimal.Parse(amountDueResult.ToString());
}
return(amountDue);
}
catch (Exception ex)
{
Logger.Error(ex);
Logger.Error($"Unable to get amount due for {cust.CustomerId}:{cust.Name} for {month}-{year}");
throw new Exception(ex.Message);
}
}