public void BillDueCalculator_SingleReminder_NoReminderMatch_ShouldNotReportBillDue()
{
Bill testData = new Bill();
testData.Name = "Test Bill 1";
testData.DayOfMonth = 3;
testData.ReminderIntervals = new List <int>()
{
1
};
BillDueCalculator sut = new BillDueCalculator();
BillDueResult result = sut.IsBillDue(testData, new DateTime(2018, 1, 1));
Assert.False(result.IsBillDue);
}
public void BillDueCalculator_SingleReminder_ReminderMatch_ShouldReportBillDue()
{
Bill testData = new Bill();
testData.Name = "Test Bill 1";
testData.DayOfMonth = 2;
testData.ReminderIntervals = new List <int>()
{
1
};
BillDueCalculator sut = new BillDueCalculator();
BillDueResult result = sut.IsBillDue(testData, new DateTime(2018, 1, 1));
Assert.True(result.IsBillDue);
Assert.Equal(string.Format("Reminder: {0} payment is due in {1} days.", testData.Name, 1), result.ReminderMessage);
}
public BillDueResult IsBillDue(Bill bill, DateTime currentDate)
{
StringBuilder logMessage = new StringBuilder();
BillDueResult result = new BillDueResult()
{
IsBillDue = false,
ReminderMessage = ""
};
logMessage.AppendFormat("Checking if {0} is due...", bill.Name);
IEnumerable <int> reminders = bill
.ReminderIntervals?
.Where(i => i > 0 && i <= 31)
.OrderByDescending(i => i);
if (reminders == null)
{
Log.Information(string.Format("No reminder intervals specified for {0}. Skipping this bill.", bill.Name));
}
foreach (int reminder in reminders)
{
if (isReminderNeeded(bill.DayOfMonth, reminder, currentDate))
{
result.IsBillDue = true;
result.ReminderMessage = string.Format("{0}: payment is due in {1} days.", bill.Name, reminder);
break;
}
}
logMessage.Append(result.IsBillDue ? "yes" : "no");
Log.Debug(logMessage.ToString());
return(result);
}
