loc-serv.go

		return errors.New("userList not found in userData")
	}

	// Retrieve user info from DB
	var userInfo UserInfo
	err := json.Unmarshal([]byte(jsonInfo), &userInfo)
	if err != nil {
		return err
	}

	// Ignore entries with no zoneID or AP ID
	if userInfo.ZoneId == "" || userInfo.AccessPointId == "" {
		return nil
	}

	//query parameters looked through using OR within same query parameter and AND between different query parameters
	//example returning users matching zoneId : (zone01 OR zone02) AND accessPointId : (ap1 OR ap2 OR ap3) AND address: (ipAddress1 OR ipAddress2)
	foundAMatch := false
	// Filter using query params
	if len(data.queryZoneId) > 0 {
		foundAMatch = false
		for _, queryZoneId := range data.queryZoneId {
			if userInfo.ZoneId == queryZoneId {
				foundAMatch = true
			}
		}
		if !foundAMatch {
			return nil
		}
	}

	if len(data.queryApId) > 0 {
		foundAMatch = false
		for _, queryApId := range data.queryApId {
			if userInfo.AccessPointId == queryApId {
				foundAMatch = true
			}
		}
		if !foundAMatch {
			return nil
		}
	}

	if len(data.queryAddress) > 0 {
		foundAMatch = false
		for _, queryAddress := range data.queryAddress {
			if userInfo.Address == queryAddress {
				foundAMatch = true
			}
		}
		if !foundAMatch {
			return nil
		}
	}

	// Add user info to list
	data.userList.User = append(data.userList.User, userInfo)
	return nil
}

func apGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	var userData ApUserData
	vars := mux.Vars(r)

	// Retrieve query parameters
	u, _ := url.Parse(r.URL.String())
	log.Info("url: ", u.RequestURI())
	q := u.Query()
	userData.queryInterestRealm = q.Get("interestRealm")

	validQueryParams := []string{"interestRealm"}

	//look for all query parameters to reject if any invalid ones
	found := false
	for queryParam := range q {
		found = false
		for _, validQueryParam := range validQueryParams {
			if queryParam == validQueryParam {
				found = true
				break
			}
		}
		if !found {
			log.Error("Query param not valid: ", queryParam)
			w.WriteHeader(http.StatusBadRequest)
			return
		}
	}

	// Get user list from DB
	var response InlineAccessPointList
	var apList AccessPointList
	apList.ZoneId = vars["zoneId"]
	apList.ResourceURL = hostUrl.String() + basePath + "queries/zones/" + vars["zoneId"] + "/accessPoints"
	response.AccessPointList = &apList
	userData.apList = &apList

	//make sure the zone exists first
	jsonZoneInfo, _ := rc.JSONGetEntry(baseKey+typeZone+":"+vars["zoneId"], ".")
	if jsonZoneInfo == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	keyName := baseKey + typeZone + ":" + vars["zoneId"] + ":*"
	err := rc.ForEachJSONEntry(keyName, populateApList, &userData)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	// Send response
	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func apByIdGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response InlineAccessPointInfo
	var apInfo AccessPointInfo
	response.AccessPointInfo = &apInfo

	jsonApInfo, _ := rc.JSONGetEntry(baseKey+typeZone+":"+vars["zoneId"]+":"+typeAccessPoint+":"+vars["accessPointId"], ".")
	if jsonApInfo == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := json.Unmarshal([]byte(jsonApInfo), &apInfo)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func zonesGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response InlineZoneList
	var zoneList ZoneList
	zoneList.ResourceURL = hostUrl.String() + basePath + "queries/zones"
	response.ZoneList = &zoneList

	keyName := baseKey + typeZone + ":*"
	err := rc.ForEachJSONEntry(keyName, populateZoneList, &zoneList)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func zonesByIdGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response InlineZoneInfo
	var zoneInfo ZoneInfo
	response.ZoneInfo = &zoneInfo

	jsonZoneInfo, _ := rc.JSONGetEntry(baseKey+typeZone+":"+vars["zoneId"], ".")
	if jsonZoneInfo == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := json.Unmarshal([]byte(jsonZoneInfo), &zoneInfo)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func populateZoneList(key string, jsonInfo string, userData interface{}) error {

	zoneList := userData.(*ZoneList)
	var zoneInfo ZoneInfo

	// Format response
	err := json.Unmarshal([]byte(jsonInfo), &zoneInfo)
	if err != nil {
		return err
	}
	if zoneInfo.ZoneId != "" {
		zoneList.Zone = append(zoneList.Zone, zoneInfo)
	}
	return nil
}

func populateApList(key string, jsonInfo string, userData interface{}) error {
	// Get query params & aplist from user data
	data := userData.(*ApUserData)
	if data == nil || data.apList == nil {
		return errors.New("apList not found in userData")
	}

	// Retrieve AP info from DB
	var apInfo AccessPointInfo
	err := json.Unmarshal([]byte(jsonInfo), &apInfo)
	if err != nil {
		return err
	}

	// Ignore entries with no AP ID
	if apInfo.AccessPointId == "" {
		return nil
	}

	// Filter using query params
	if data.queryInterestRealm != "" && apInfo.InterestRealm != data.queryInterestRealm {
		return nil
	}

	// Add AP info to list
	data.apList.AccessPoint = append(data.apList.AccessPoint, apInfo)
	return nil
}

func distanceSubDelete(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	present, _ := rc.JSONGetEntry(baseKey+typeDistanceSubscription+":"+vars["subscriptionId"], ".")
	if present == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := rc.JSONDelEntry(baseKey+typeDistanceSubscription+":"+vars["subscriptionId"], ".")
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	deregisterDistance(vars["subscriptionId"])
	w.WriteHeader(http.StatusNoContent)
}

func distanceSubListGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response InlineNotificationSubscriptionList
	var distanceSubList NotificationSubscriptionList
	distanceSubList.ResourceURL = hostUrl.String() + basePath + "subscriptions/distance"
	response.NotificationSubscriptionList = &distanceSubList

	keyName := baseKey + typeDistanceSubscription + "*"
	err := rc.ForEachJSONEntry(keyName, populateDistanceList, &distanceSubList)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func distanceSubGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response InlineDistanceNotificationSubscription
	var distanceSub DistanceNotificationSubscription
	response.DistanceNotificationSubscription = &distanceSub

	jsonDistanceSub, _ := rc.JSONGetEntry(baseKey+typeDistanceSubscription+":"+vars["subscriptionId"], ".")
	if jsonDistanceSub == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := json.Unmarshal([]byte(jsonDistanceSub), &distanceSub)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func distanceSubPost(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response InlineDistanceNotificationSubscription

	var body InlineDistanceNotificationSubscription
	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&body)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	distanceSub := body.DistanceNotificationSubscription

	if distanceSub == nil {
		log.Error("Body not present")
		http.Error(w, "Body not present", http.StatusBadRequest)
		return
	}

	//checking for mandatory properties
	if distanceSub.CallbackReference == nil || distanceSub.CallbackReference.NotifyURL == "" {
		log.Error("Mandatory CallbackReference parameter not present")
		http.Error(w, "Mandatory CallbackReference parameter not present", http.StatusBadRequest)
		return
	}
	if distanceSub.Criteria == nil {
		log.Error("Mandatory DistanceCriteria parameter not present")
		http.Error(w, "Mandatory DistanceCriteria parameter not present", http.StatusBadRequest)
		return
	}
	if distanceSub.Frequency == 0 {
		log.Error("Mandatory Frequency parameter not present")
		http.Error(w, "Mandatory Frequency parameter not present", http.StatusBadRequest)
		return
	}
	if distanceSub.MonitoredAddress == nil {
		log.Error("Mandatory MonitoredAddress parameter not present")
		http.Error(w, "Mandatory MonitoredAddress parameter not present", http.StatusBadRequest)
		return
	}
	/*
		if distanceSub.TrackingAccuracy == 0 {
			log.Error("Mandatory TrackingAccuracy parameter not present")
			http.Error(w, "Mandatory TrackingAccuracy parameter not present", http.StatusBadRequest)
			return
		}
	*/

	newSubsId := nextDistanceSubscriptionIdAvailable
	nextDistanceSubscriptionIdAvailable++
	subsIdStr := strconv.Itoa(newSubsId)

	distanceSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/distance/" + subsIdStr

	_ = rc.JSONSetEntry(baseKey+typeDistanceSubscription+":"+subsIdStr, ".", convertDistanceSubscriptionToJson(distanceSub))

	registerDistance(distanceSub, subsIdStr)

	response.DistanceNotificationSubscription = distanceSub

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusCreated)
	fmt.Fprintf(w, string(jsonResponse))
}

func distanceSubPut(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)
	var response InlineDistanceNotificationSubscription

	var body InlineDistanceNotificationSubscription
	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&body)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	distanceSub := body.DistanceNotificationSubscription

	if distanceSub == nil {
		log.Error("Body not present")
		http.Error(w, "Body not present", http.StatusBadRequest)
		return
	}

	//checking for mandatory properties
	if distanceSub.CallbackReference == nil || distanceSub.CallbackReference.NotifyURL == "" {
		log.Error("Mandatory CallbackReference parameter not present")
		http.Error(w, "Mandatory CallbackReference parameter not present", http.StatusBadRequest)
		return
	}
	if distanceSub.Criteria == nil {
		log.Error("Mandatory DistanceCriteria parameter not present")
		http.Error(w, "Mandatory DistanceCriteria parameter not present", http.StatusBadRequest)
		return
	}
	if distanceSub.Frequency == 0 {
		log.Error("Mandatory Frequency parameter not present")
		http.Error(w, "Mandatory Frequency parameter not present", http.StatusBadRequest)
		return
	}
	if distanceSub.MonitoredAddress == nil {
		log.Error("Mandatory MonitoredAddress parameter not present")
		http.Error(w, "Mandatory MonitoredAddress parameter not present", http.StatusBadRequest)
		return
	}
	/*
		if distanceSub.TrackingAccuracy == 0 {
		        log.Error("Mandatory TrackingAccuracy parameter not present")
		        http.Error(w, "Mandatory TrackingAccuracy parameter not present", http.StatusBadRequest)
		        return
		}
	*/
	if distanceSub.ResourceURL == "" {
		log.Error("Mandatory ResourceURL parameter not present")
		http.Error(w, "Mandatory ResourceURL parameter not present", http.StatusBadRequest)
		return
	}

	subsIdParamStr := vars["subscriptionId"]

	selfUrl := strings.Split(distanceSub.ResourceURL, "/")
	subsIdStr := selfUrl[len(selfUrl)-1]

	//Body content not matching parameters
	if subsIdStr != subsIdParamStr {
		log.Error("SubscriptionId in endpoint and in body not matching")
		http.Error(w, "SubscriptionId in endpoint and in body not matching", http.StatusBadRequest)
		return
	}

	distanceSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/distance/" + subsIdStr

	subsId, err := strconv.Atoi(subsIdStr)
	if err != nil {
		log.Error(err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	if distanceSubscriptionMap[subsId] == nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	_ = rc.JSONSetEntry(baseKey+typeDistanceSubscription+":"+subsIdStr, ".", convertDistanceSubscriptionToJson(distanceSub))

	deregisterDistance(subsIdStr)
	registerDistance(distanceSub, subsIdStr)

	response.DistanceNotificationSubscription = distanceSub

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func populateDistanceList(key string, jsonInfo string, userData interface{}) error {

	distanceList := userData.(*NotificationSubscriptionList)
	var distanceInfo DistanceNotificationSubscription

	// Format response
	err := json.Unmarshal([]byte(jsonInfo), &distanceInfo)
	if err != nil {
		return err
	}
	distanceList.DistanceNotificationSubscription = append(distanceList.DistanceNotificationSubscription, distanceInfo)
	return nil
}

func areaCircleSubDelete(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	present, _ := rc.JSONGetEntry(baseKey+typeAreaCircleSubscription+":"+vars["subscriptionId"], ".")
	if present == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := rc.JSONDelEntry(baseKey+typeAreaCircleSubscription+":"+vars["subscriptionId"], ".")
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	deregisterAreaCircle(vars["subscriptionId"])
	w.WriteHeader(http.StatusNoContent)
}

func areaCircleSubListGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response InlineNotificationSubscriptionList
	var areaCircleSubList NotificationSubscriptionList
	areaCircleSubList.ResourceURL = hostUrl.String() + basePath + "subscriptions/area/circle"
	response.NotificationSubscriptionList = &areaCircleSubList

	keyName := baseKey + typeAreaCircleSubscription + "*"
	err := rc.ForEachJSONEntry(keyName, populateAreaCircleList, &areaCircleSubList)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func areaCircleSubGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response InlineCircleNotificationSubscription
	var areaCircleSub CircleNotificationSubscription
	response.CircleNotificationSubscription = &areaCircleSub
	jsonAreaCircleSub, _ := rc.JSONGetEntry(baseKey+typeAreaCircleSubscription+":"+vars["subscriptionId"], ".")
	if jsonAreaCircleSub == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := json.Unmarshal([]byte(jsonAreaCircleSub), &areaCircleSub)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func areaCircleSubPost(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	var response InlineCircleNotificationSubscription

	var body InlineCircleNotificationSubscription
	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&body)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	areaCircleSub := body.CircleNotificationSubscription

	if areaCircleSub == nil {
		log.Error("Body not present")
		http.Error(w, "Body not present", http.StatusBadRequest)
		return
	}

	//checking for mandatory properties
	if areaCircleSub.CallbackReference == nil || areaCircleSub.CallbackReference.NotifyURL == "" {
		log.Error("Mandatory CallbackReference parameter not present")
		http.Error(w, "Mandatory CallbackReference parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Address == nil {
		log.Error("Mandatory Address parameter not present")
		http.Error(w, "Mandatory Address parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Latitude == 0 {
		log.Error("Mandatory Latitude parameter not present")
		http.Error(w, "Mandatory Latitude parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Longitude == 0 {
		log.Error("Mandatory Longitude parameter not present")
		http.Error(w, "Mandatory Longitude parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Radius == 0 {
		log.Error("Mandatory Radius parameter not present")
		http.Error(w, "Mandatory Radius parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.EnteringLeavingCriteria == nil {
		log.Error("Mandatory EnteringLeavingCriteria parameter not present")
		http.Error(w, "Mandatory EnteringLeavingCriteria parameter not present", http.StatusBadRequest)
		return
	} else {
		switch *areaCircleSub.EnteringLeavingCriteria {
		case ENTERING_CRITERIA, LEAVING_CRITERIA:
		default:
			log.Error("Invalid Mandatory EnteringLeavingCriteria parameter value")
			http.Error(w, "Invalid Mandatory EnteringLeavingCriteria parameter value", http.StatusBadRequest)
			return
		}
	}
	if areaCircleSub.Frequency == 0 {
		log.Error("Mandatory Frequency parameter not present")
		http.Error(w, "Mandatory Frequency parameter not present", http.StatusBadRequest)
		return
	}
	/*
	   if areaCircleSub.CheckImmediate == nil {
	           log.Error("Mandatory CheckImmediate parameter not present")
	           http.Error(w, "Mandatory CheckImmediate parameter not present", http.StatusBadRequest)
	           return
	   }
	*/
	/*
		if areaCircleSub.TrackingAccuracy == 0 {
			log.Error("Mandatory TrackingAccuracy parameter not present")
			http.Error(w, "Mandatory TrackingAccuracy parameter not present", http.StatusBadRequest)
			return
		}
	*/

	newSubsId := nextAreaCircleSubscriptionIdAvailable
	nextAreaCircleSubscriptionIdAvailable++
	subsIdStr := strconv.Itoa(newSubsId)
	/*
		if zonalTrafficSub.Duration > 0 {
			//TODO start a timer mecanism and expire subscription
		}
		//else, lasts forever or until subscription is deleted
	*/
	if areaCircleSub.Duration != 0 { //used to be string -> zonalTrafficSub.Duration != "" && zonalTrafficSub.Duration != "0" {
		//TODO start a timer mecanism and expire subscription
		log.Info("Non zero duration")
	}
	//else, lasts forever or until subscription is deleted

	areaCircleSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/area/circle/" + subsIdStr

	_ = rc.JSONSetEntry(baseKey+typeAreaCircleSubscription+":"+subsIdStr, ".", convertAreaCircleSubscriptionToJson(areaCircleSub))

	registerAreaCircle(areaCircleSub, subsIdStr)

	response.CircleNotificationSubscription = areaCircleSub

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusCreated)
	fmt.Fprintf(w, string(jsonResponse))
}

func areaCircleSubPut(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response InlineCircleNotificationSubscription

	var body InlineCircleNotificationSubscription
	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&body)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	areaCircleSub := body.CircleNotificationSubscription

	if areaCircleSub == nil {
		log.Error("Body not present")
		http.Error(w, "Body not present", http.StatusBadRequest)
		return
	}

	//checking for mandatory properties
	if areaCircleSub.CallbackReference == nil || areaCircleSub.CallbackReference.NotifyURL == "" {
		log.Error("Mandatory CallbackReference parameter not present")
		http.Error(w, "Mandatory CallbackReference parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Address == nil {
		log.Error("Mandatory Address parameter not present")
		http.Error(w, "Mandatory Address parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Latitude == 0 {
		log.Error("Mandatory Latitude parameter not present")
		http.Error(w, "Mandatory Latitude parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Longitude == 0 {
		log.Error("Mandatory Longitude parameter not present")
		http.Error(w, "Mandatory Longitude parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Radius == 0 {
		log.Error("Mandatory Radius parameter not present")
		http.Error(w, "Mandatory Radius parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.EnteringLeavingCriteria == nil {
		log.Error("Mandatory EnteringLeavingCriteria parameter not present")
		http.Error(w, "Mandatory EnteringLeavingCriteria parameter not present", http.StatusBadRequest)
		return
	}
	if areaCircleSub.Frequency == 0 {
		log.Error("Mandatory Frequency parameter not present")
		http.Error(w, "Mandatory Frequency parameter not present", http.StatusBadRequest)
		return
	}
	/*
	   if areaCircleSub.CheckImmediate == nil {
	           log.Error("Mandatory CheckImmediate parameter not present")
	           http.Error(w, "Mandatory CheckImmediate parameter not present", http.StatusBadRequest)
	           return
	   }
	*/
	/*
	   if areaCircleSub.TrackingAccuracy == 0 {
	           log.Error("Mandatory TrackingAccuracy parameter not present")
	           http.Error(w, "Mandatory TrackingAccuracy parameter not present", http.StatusBadRequest)
	           return
	   }
	*/
	if areaCircleSub.ResourceURL == "" {
		log.Error("Mandatory ResourceURL parameter not present")
		http.Error(w, "Mandatory ResourceURL parameter not present", http.StatusBadRequest)
		return
	}

	subsIdParamStr := vars["subscriptionId"]

	selfUrl := strings.Split(areaCircleSub.ResourceURL, "/")
	subsIdStr := selfUrl[len(selfUrl)-1]

	//body content not matching parameters
	if subsIdStr != subsIdParamStr {
		log.Error("SubscriptionId in endpoint and in body not matching")
		http.Error(w, "SubscriptionId in endpoint and in body not matching", http.StatusBadRequest)
		return
	}

	areaCircleSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/area/circle/" + subsIdStr

	subsId, err := strconv.Atoi(subsIdStr)
	if err != nil {
		log.Error(err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	if areaCircleSubscriptionMap[subsId] == nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	_ = rc.JSONSetEntry(baseKey+typeAreaCircleSubscription+":"+subsIdStr, ".", convertAreaCircleSubscriptionToJson(areaCircleSub))

	deregisterAreaCircle(subsIdStr)
	//registerAreaCircle(zonalTrafficSub.ZoneId, zonalTrafficSub.UserEventCriteria, subsIdStr)

	response.CircleNotificationSubscription = areaCircleSub

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func populateAreaCircleList(key string, jsonInfo string, userData interface{}) error {

	areaCircleList := userData.(*NotificationSubscriptionList)
	var areaCircleInfo CircleNotificationSubscription

	// Format response
	err := json.Unmarshal([]byte(jsonInfo), &areaCircleInfo)
	if err != nil {
		return err
	}
	areaCircleList.CircleNotificationSubscription = append(areaCircleList.CircleNotificationSubscription, areaCircleInfo)
	return nil
}

func userTrackingSubDelete(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	present, _ := rc.JSONGetEntry(baseKey+typeUserSubscription+":"+vars["subscriptionId"], ".")
	if present == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := rc.JSONDelEntry(baseKey+typeUserSubscription+":"+vars["subscriptionId"], ".")
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	deregisterUser(vars["subscriptionId"])
	w.WriteHeader(http.StatusNoContent)
}

func userTrackingSubListGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response InlineNotificationSubscriptionList
	var userTrackingSubList NotificationSubscriptionList
	userTrackingSubList.ResourceURL = hostUrl.String() + basePath + "subscriptions/userTracking"
	response.NotificationSubscriptionList = &userTrackingSubList

	keyName := baseKey + typeUserSubscription + "*"
	err := rc.ForEachJSONEntry(keyName, populateUserTrackingList, &userTrackingSubList)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func userTrackingSubGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response InlineUserTrackingSubscription
	var userTrackingSub UserTrackingSubscription
	response.UserTrackingSubscription = &userTrackingSub

	jsonUserTrackingSub, _ := rc.JSONGetEntry(baseKey+typeUserSubscription+":"+vars["subscriptionId"], ".")
	if jsonUserTrackingSub == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := json.Unmarshal([]byte(jsonUserTrackingSub), &userTrackingSub)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func userTrackingSubPost(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response InlineUserTrackingSubscription

	var body InlineUserTrackingSubscription
	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&body)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	userTrackingSub := body.UserTrackingSubscription

	if userTrackingSub == nil {
		log.Error("Body not present")
		http.Error(w, "Body not present", http.StatusBadRequest)
		return
	}

	//checking for mandatory properties
	if userTrackingSub.CallbackReference == nil || userTrackingSub.CallbackReference.NotifyURL == "" {
		log.Error("Mandatory CallbackReference parameter not present")
		http.Error(w, "Mandatory CallbackReference parameter not present", http.StatusBadRequest)
		return
	}
	if userTrackingSub.Address == "" {
		log.Error("Mandatory Address parameter not present")
		http.Error(w, "Mandatory Address parameter not present", http.StatusBadRequest)
		return
	}

	newSubsId := nextUserSubscriptionIdAvailable
	nextUserSubscriptionIdAvailable++
	subsIdStr := strconv.Itoa(newSubsId)

	registerUser(userTrackingSub.Address, userTrackingSub.UserEventCriteria, subsIdStr)
	userTrackingSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/userTracking/" + subsIdStr

	_ = rc.JSONSetEntry(baseKey+typeUserSubscription+":"+subsIdStr, ".", convertUserSubscriptionToJson(userTrackingSub))

	response.UserTrackingSubscription = userTrackingSub

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusCreated)
	fmt.Fprintf(w, string(jsonResponse))
}

func userTrackingSubPut(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response InlineUserTrackingSubscription

	var body InlineUserTrackingSubscription
	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&body)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	userTrackingSub := body.UserTrackingSubscription

	if userTrackingSub == nil {
		log.Error("Body not present")
		http.Error(w, "Body not present", http.StatusBadRequest)
		return
	}

	//checking for mandatory properties
	if userTrackingSub.CallbackReference == nil || userTrackingSub.CallbackReference.NotifyURL == "" {
		log.Error("Mandatory CallbackReference parameter not present")
		http.Error(w, "Mandatory CallbackReference parameter not present", http.StatusBadRequest)
		return
	}