FSClient.Call.HandleHangupCompleteEvent C# (CSharp) Méthode

        public static void HandleHangupCompleteEvent(FSEvent evt, String uuid)
        {
            Utils.DebugEventDump(evt);
            Call call = (from c in calls where c.call_ended == false && (c.leg_a_uuid == uuid || c.leg_b_uuid == uuid) select c).SingleOrDefault();
            if (call == null || call.call_ended)
                return;

            CALL_STATE new_state = CALL_STATE.None;

            if (call.state != CALL_STATE.Answered && call.state != CALL_STATE.Missed && call.state != CALL_STATE.Hold) {
                if (String.IsNullOrEmpty(call.note))
                    call.note = evt.get_header("variable_sip_hangup_phrase");
                if (!call.is_outgoing && call.state == CALL_STATE.Ringing)
                    new_state = CALL_STATE.Missed;
                else
                    new_state = CALL_STATE.Failed;
            }
            else if (call.state == CALL_STATE.Answered || call.state == CALL_STATE.Hold)
                new_state = CALL_STATE.Ended;

            if (new_state == CALL_STATE.None)
                throw new Exception("Not sure what happened call was at state...: " + call.state);
            Call new_active_call;
            if (Call.active_call != call)
                new_active_call = Call.active_call;
            else
                new_active_call = (from c in calls where c.state == CALL_STATE.Ringing && c.is_outgoing == false && c != call select c).FirstOrDefault();
            call.UpdateCallState(new_state, new_active_call);
        }