private IPort CancelNotStartedCall(IPort portRejectedCall, RejectedCallEvent e)
{
IPort portWhichNeedToSendNotification;
string senderPhoneNumber;
string receiverPhoneNumber;
if (CallsWaitingToBeAnswered.ContainsKey(portRejectedCall))
{
portWhichNeedToSendNotification = CallsWaitingToBeAnswered[portRejectedCall];
senderPhoneNumber = portRejectedCall.PhoneNumber;
receiverPhoneNumber = portWhichNeedToSendNotification.PhoneNumber;
CallsWaitingToBeAnswered.Remove(portRejectedCall);
}
else
{
portWhichNeedToSendNotification = CallsWaitingToBeAnswered.FirstOrDefault(x => x.Value == portRejectedCall).Key;
senderPhoneNumber = portWhichNeedToSendNotification.PhoneNumber;
receiverPhoneNumber = portRejectedCall.PhoneNumber;
CallsWaitingToBeAnswered.Remove(portWhichNeedToSendNotification);
}
DisposeTimer(portRejectedCall);
OnNotifyBillingSystemAboutCallEnd(new UnansweredCallEvent(senderPhoneNumber, receiverPhoneNumber,
e.CallRejectionTime));
Logger.WriteLine(
$"{portRejectedCall.PhoneNumber} rejected call from {portWhichNeedToSendNotification.PhoneNumber}");
return(portWhichNeedToSendNotification);
}
private void OnNotifyPortAboutRejectionOfCall(RejectedCallEvent e, IPort port)
{
if (NotifyPortOfRejectionOfCall?.GetInvocationList().FirstOrDefault(x => x.Target == port) != null)
{
(NotifyPortOfRejectionOfCall?.GetInvocationList().First(x => x.Target == port) as
EventHandler <RejectedCallEvent>)?.Invoke(this, e); // changes port and telephone status and send notification
}
}
public void RejectCall(object sender, RejectedCallEvent e)
{
PortStatus = PortStatus.Free;
OnNotifyStationAboutRejectionOfCall(new RejectedCallEvent(PhoneNumber)
{
CallRejectionTime = e.CallRejectionTime
});
}
public void RejectCall(object sender, RejectedCallEvent e)
{
if (!(sender is IPort portRejectedCall))
{
return;
}
var suitableCall = CallsInProgress.FirstOrDefault(x =>
x.ReceiverPhoneNumber == portRejectedCall.PhoneNumber ||
x.SenderPhoneNumber == portRejectedCall.PhoneNumber);
var portWhichNeedToSendNotification = suitableCall is IAnsweredCall answeredCall
? CompleteCallInProgress(portRejectedCall, answeredCall, e)
: CancelNotStartedCall(portRejectedCall, e); // check if call was answered and perform next actions depending on that situation
OnNotifyPortAboutRejectionOfCall(e, portWhichNeedToSendNotification);
}
private IPort CompleteCallInProgress(IPort portRejectedCall, IAnsweredCall call, RejectedCallEvent e)
{
var portWhichNeedToSendNotification = call.SenderPhoneNumber == portRejectedCall.PhoneNumber
? Ports.FirstOrDefault(x => x.PhoneNumber == call.ReceiverPhoneNumber)
: Ports.FirstOrDefault(x => x.PhoneNumber == call.SenderPhoneNumber);
if (portWhichNeedToSendNotification != null)
{
Logger.WriteLine(
$"{portRejectedCall.PhoneNumber} ended call with {portWhichNeedToSendNotification.PhoneNumber}");
}
CallsInProgress.Remove(call);
Logger.WriteLine("Call completed " +
$"from {call.SenderPhoneNumber} to {call.ReceiverPhoneNumber}");
OnNotifyBillingSystemAboutCallEnd(new HeldCallEvent(call.SenderPhoneNumber, call.ReceiverPhoneNumber,
call.CallStartTime, e.CallRejectionTime));
return(portWhichNeedToSendNotification);
}
public void InformTelephoneAboutRejectionOfCall(object sender, RejectedCallEvent e)
{
PortStatus = PortStatus.Free;
OnNotifyTelephoneOfRejectionOfCall(e);
}
private void OnNotifyTelephoneOfRejectionOfCall(RejectedCallEvent e)
{
NotifyTelephoneOfRejectionOfCall?.Invoke(this, e);
}
private void OnNotifyStationAboutRejectionOfCall(RejectedCallEvent e)
{
NotifyStationOfRejectionOfCall?.Invoke(this, e);
}
public void NotifyUserAboutRejectedCall(object sender, RejectedCallEvent e)
{
TelephoneStatus = TelephoneStatus.Inaction;
DisplayMethod?.Invoke($"{e.PhoneNumberOfPersonRejectedCall} - canceled the call");
}
