private void btnCusSubmit_Click(object sender, EventArgs e)
{
int cusId, eventId;
lblCusMessage.Text = "";
lblEventMessage.Text = "";
// will only work when both customer and event id are integers
if (int.TryParse(textBoxCusId.Text, out cusId) && int.TryParse(textBoxEventId.Text, out eventId))
{
if (!currentCoord.customerExists(cusId))
{
lblCusMessage.Text = "No customer with the ID " + cusId;
}
if (!currentCoord.eventExists(eventId))
{
lblEventMessage.Text = "No event with the ID " + eventId;
}
// will only work if both customer and event exist, and if the event is not full or customer has not already registered
if (currentCoord.customerExists(cusId) && currentCoord.eventExists(eventId) && !currentCoord.eventIsFull(eventId) && !currentCoord.customerRegisteredForEvent(eventId, cusId))
{
Event ev = currentCoord.getEvent(eventId);
Customer cust = currentCoord.getCustomer(cusId);
currentCoord.addRegistration(ev, cust);
ev.addAttendee(cust);
cust.addBooking();
lblMessage.ForeColor = System.Drawing.Color.Black;
lblCusMessage.Text = "RSVP Successfully added";
textBoxCusId.Text = "";
textBoxEventId.Text = "";
}
else if (currentCoord.customerExists(cusId) && currentCoord.eventExists(eventId))
{
lblCusMessage.Text = "RSVP was not added";
textBoxCusId.Text = "";
textBoxEventId.Text = "";
}
}
else
{
lblCusMessage.Text = "Please enter valid IDs in the fields";
}
}