/// <summary>
/// Extends the expiration date the specified timespan, extending an existing
/// expiration or setting a new one as appropriate. E.g., if you are just earning
/// a 1-year gratuity, sets it for 1 year from today. If it is June 5 and your existing
/// gratuity expires on Aug 12, you get until Aug 12 one year beyond.
/// </summary>
/// <param name="p">The payment that extends the date</param>
/// <param name="fUpdateReminderCount">Reset the reminder regime?</param>
/// <returns>True if the object was modified</returns>
protected virtual bool ExtendExpiration(Payment p, Boolean fUpdateReminderCount)
{
if (p == null)
{
throw new ArgumentNullException("p");
}
DateTime dtFromPayment = p.Timestamp.Add(GratuityEarned.Window);
DateTime dtFromExistingExpiration = ExpirationDate.Add(GratuityEarned.Window);
// Our business rule here is that if the payment is LESS than the amount required for the gratuity, we will extend from the date of the payment
// (Assumes that this is a top-off. E.g., $10/month will extend month by month).
// BUT if the payment triggers a new gratuity match, we will extend. E.g., pay $25 in April gets you to the following April. But pay another $25
// in June and we'll extend you to the april after that.
DateTime dtNew = (p.Amount >= GratuityEarned.Threshold) ? dtFromPayment.LaterDate(dtFromExistingExpiration) : dtFromPayment;
if ((ExpirationDate.CompareTo(dtNew) != 0))
{
ExpirationDate = dtNew;
if (fUpdateReminderCount)
{
ReminderCount = 0;
LastReminderDate = DateTime.MinValue;
}
return(true);
}
else
{
return(false);
}
}
private async Task ExecuteRelistCommand(int id)
{
DonationCapture capture = new DonationCapture()
{
Title = DonationTitle,
Type = DonationType,
Amount = Quantity,
Expiration = ExpirationDate.Add(ExpirationTime)
};
var okToProceed = await CheckRemoveRecipient();
if (okToProceed)
{
IsBusy = true;
EnterCommand.ChangeCanExecute();
var res = await donationRep.RelistDonationAsync(capture, donation.Id, mediaFile);
IsBusy = false;
EnterCommand.ChangeCanExecute();
if (!res)
{
ShowFailureDialog("Unable to Relist");
}
else
{
await Page.Navigation.PopToRootAsync();
}
}
}