fix hue light/sensor search and add a separate SensorPresenceEnding event.

internal/drivers/hue/bridge.go

@@ -232,6 +232,10 @@ func (b *Bridge) post(ctx context.Context, resource string, body interface{}, ta
 	}
 	defer res.Body.Close()
 
+	if target == nil {
+		return nil
+	}
+
 	return json.NewDecoder(res.Body).Decode(target)
 }
 

internal/drivers/hue/state.go

@@ -87,11 +87,12 @@ func (s *hueLightState) CheckStaleness(state LightState) {
 }
 
 type hueSensorState struct {
-	index      int
-	externalID int
-	uniqueID   string
-	prevData   *SensorData
-	prevTime   time.Time
+	index            int
+	externalID       int
+	uniqueID         string
+	prevData         *SensorData
+	prevTime         time.Time
+	presenceCooldown bool
 }
 
 func (state *hueSensorState) Update(newData SensorData) *models.Event {
@@ -113,13 +114,14 @@ func (state *hueSensorState) Update(newData SensorData) *models.Event {
 	if state.prevData != nil && newData.Type != state.prevData.Type {
 		return nil
 	}
-	if time.Since(stateTime) > time.Second*3 {
-		return nil
-	}
 
 	switch newData.Type {
 	case "ZLLSwitch":
 		{
+			if time.Since(stateTime) > time.Second*3 {
+				return nil
+			}
+
 			pe := state.prevData.State.ButtonEvent
 			ce := newData.State.ButtonEvent
 
@@ -153,7 +155,8 @@ func (state *hueSensorState) Update(newData SensorData) *models.Event {
 			if state.prevData != nil && state.prevData.State.Presence != newData.State.Presence {
 				name := models.ENSensorPresenceStarted
 				if !newData.State.Presence {
-					name = models.ENSensorPresenceEnded
+					name = models.ENSensorPresenceEnding
+					state.presenceCooldown = true
 				}
 
 				return &models.Event{
@@ -163,6 +166,15 @@ func (state *hueSensorState) Update(newData SensorData) *models.Event {
 						"deviceInternalId": newData.UniqueID,
 					},
 				}
+			} else if state.presenceCooldown && !newData.State.Presence && time.Since(stateTime) > time.Minute {
+				state.presenceCooldown = false
+				return &models.Event{
+					Name: models.ENSensorPresenceEnded,
+					Payload: map[string]string{
+						"deviceId":         strconv.Itoa(state.externalID),
+						"deviceInternalId": newData.UniqueID,
+					},
+				}
 			}
 		}
 	}