public float CalculateSessionCost(Session session)
{
if (!session.CallAccepted) return 0;
var rate = session.Rate;
var duration = session.EndCalling.Subtract(session.StartCalling);
var cost = rate.CalculateCost(duration);
return cost;
}
private void OnTerminalCalling(object sender, CallingRequest e)
{
var sourceTerminal = sender as ClientTerminal;
if (sourceTerminal == null) return;
var sourceClient = BillingSystem.Contracts.First(c => c.Terminal == sourceTerminal);
var sourceTelephoneNumber = sourceClient.TelephoneNumber;
var incommingRequest = new InCommingRequest(sourceTelephoneNumber);
var clients = BillingSystem.Contracts.Where(c => c.TelephoneNumber == e.Target);
// Target number doesn't exist
if (!clients.Any())
{
sourceTerminal.ReceiveResponce(ResponceState.DoesNotExist);
return;
}
var targetClient = clients.First();
var session = new Session(sourceClient, targetClient, sourceClient.Rate);
var systemTime = DateTime.Now;
var currentTime = new DateTime(BillingSystem.CurrentTime.Year, BillingSystem.CurrentTime.Month, systemTime.Day, systemTime.Hour, systemTime.Minute, systemTime.Second);
var connEvent = new ConnectionEvent(targetClient, ConnectionEventType.Accepted, currentTime);
session.Events.Add(connEvent);
var targetPort = _terminalToPertConnections.First(c => c.Terminal == targetClient.Terminal).Port;
switch (targetPort.State)
{
case ConnectionState.Free:
{
sourceTerminal.ReceiveResponce(ResponceState.Calling);
CurrentSessions.Add(session);
targetClient.Terminal.IncomingRequestFrom(incommingRequest);
break;
}
case ConnectionState.Busy:
{
sourceTerminal.ReceiveResponce(ResponceState.IsBusy);
BillingSystem.SessionHistory.Add(session);
break;
}
case ConnectionState.UnConnected:
{
sourceTerminal.ReceiveResponce(ResponceState.UnConnected);
BillingSystem.SessionHistory.Add(session);
break;
}
}
}