private void EndCall(object o, EventArgs e)
{
Port port = (o as Port);
Port secondPort;
port.EndCallEventOnPort -= EndCall;
var connection = ActiveConnections.FirstOrDefault(x => (x.Value == (o as Port).PhoneNumber) || (x.Key == (o as Port).PhoneNumber));
if (port.PhoneNumber == connection.Key)
{
secondPort = Ports.First(x => x.PhoneNumber == connection.Value);
}
else
{
secondPort = Ports.First(x => x.PhoneNumber == connection.Key);
}
List <CallInfo> calls = Calls.FirstOrDefault(x => (x.Key.Key == port.PhoneNumber && x.Key.Value == secondPort.PhoneNumber) || (x.Key.Value == port.PhoneNumber && x.Key.Key == secondPort.PhoneNumber)).Value;
CallInfo call = calls[calls.Count - 1];
call.FinishCall(DateTime.Now);
EndCallEvent?.Invoke(this, call);
secondPort.EndCallEventOnPort -= EndCall;
ActiveConnections.Remove(connection.Key);
}