private string CancelInvite(IStepInput input)
{
var CancelAttendees = (InviteAttendeesInput)input;
var invite = InviteInput.FromDict(this.Data);
if (!IsCallRepeated(invite))
{
EnsureCallIsNotRepeated(invite);
}
else
{
return("<response>Invite cancelled already</response>");
}
//This is how we ensure we dont contact the same people over the same message again
//Think duplicate calls to the API
if (DataSerializer.DeserializeData(WorkflowEngine.GetDataKey("multi_invite", CancelAttendees.UniqueCallId)) != null)
{
return("<response>Contacts have been notified already</response>");
}
else
{
DataSerializer.SerializeData(WorkflowEngine.GetDataKey("multi_invite", CancelAttendees.UniqueCallId), new DataStorage());
}
foreach (var contact in CancelAttendees.Attendees)
{
CancelAttendee(invite, contact);
}
return("<response>Event cancelled succesfully</response>");
}