loc-serv.go

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

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

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

	var response ResponseZonalTrafficNotificationSubscriptionList
	var zonalTrafficSubList ZonalTrafficNotificationSubscriptionList
	zonalTrafficSubList.ResourceURL = hostUrl.String() + basePath + "subscriptions/zonalTraffic"
	response.NotificationSubscriptionList = &zonalTrafficSubList

	keyName := baseKey + typeZonalSubscription + "*"
	err := rc.ForEachJSONEntry(keyName, populateZonalTrafficList, &zonalTrafficSubList)
	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 zonalTrafficSubGetById(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response ResponseZonalTrafficSubscription
	var zonalTrafficSub ZonalTrafficSubscription
	response.ZonalTrafficSubscription = &zonalTrafficSub

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

	err := json.Unmarshal([]byte(jsonZonalTrafficSub), &zonalTrafficSub)
	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 zonalTrafficSubPost(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response ResponseZonalTrafficSubscription
	zonalTrafficSub := new(ZonalTrafficSubscription)
	response.ZonalTrafficSubscription = zonalTrafficSub

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

	newSubsId := nextZonalSubscriptionIdAvailable
	nextZonalSubscriptionIdAvailable++
	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 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

	zonalTrafficSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/zonalTraffic/" + subsIdStr

	_ = rc.JSONSetEntry(baseKey+typeZonalSubscription+":"+subsIdStr, ".", convertZonalSubscriptionToJson(zonalTrafficSub))

	registerZonal(zonalTrafficSub.ZoneId, zonalTrafficSub.UserEventCriteria, subsIdStr)

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

	var response ResponseZonalTrafficSubscription
	zonalTrafficSub := new(ZonalTrafficSubscription)
	response.ZonalTrafficSubscription = zonalTrafficSub

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

	subsIdStr := vars["subscriptionId"]
	zonalTrafficSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/zonalTraffic/" + subsIdStr

	_ = rc.JSONSetEntry(baseKey+typeZonalSubscription+":"+subsIdStr, ".", convertZonalSubscriptionToJson(zonalTrafficSub))

	deregisterZonal(subsIdStr)
	registerZonal(zonalTrafficSub.ZoneId, zonalTrafficSub.UserEventCriteria, subsIdStr)

	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 populateZonalTrafficList(key string, jsonInfo string, userData interface{}) error {

	zoneList := userData.(*ZonalTrafficNotificationSubscriptionList)
	var zoneInfo ZonalTrafficSubscription

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

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

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

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

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

	var response ResponseZoneStatusNotificationSubscriptionList
	var zoneStatusSubList ZoneStatusNotificationSubscriptionList
	zoneStatusSubList.ResourceURL = hostUrl.String() + basePath + "subscriptions/zoneStatus"
	response.NotificationSubscriptionList = &zoneStatusSubList

	keyName := baseKey + typeZoneStatusSubscription + "*"
	err := rc.ForEachJSONEntry(keyName, populateZoneStatusList, &zoneStatusSubList)
	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 zoneStatusGetById(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response ResponseZoneStatusSubscription2
	var zoneStatusSub ZoneStatusSubscription
	response.ZoneStatusSubscription = &zoneStatusSub

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

	err := json.Unmarshal([]byte(jsonZoneStatusSub), &zoneStatusSub)
	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 zoneStatusPost(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response ResponseZoneStatusSubscription2
	zoneStatusSub := new(ZoneStatusSubscription)
	response.ZoneStatusSubscription = zoneStatusSub

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

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

	zoneStatusSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/zoneStatus/" + subsIdStr

	_ = rc.JSONSetEntry(baseKey+typeZoneStatusSubscription+":"+subsIdStr, ".", convertZoneStatusSubscriptionToJson(zoneStatusSub))

	registerZoneStatus(zoneStatusSub.ZoneId, zoneStatusSub.NumberOfUsersZoneThreshold, zoneStatusSub.NumberOfUsersAPThreshold,
		zoneStatusSub.OperationStatus, subsIdStr)

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

	var response ResponseZoneStatusSubscription2
	zoneStatusSub := new(ZoneStatusSubscription)
	response.ZoneStatusSubscription = zoneStatusSub

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

	subsIdStr := vars["subscriptionId"]
	zoneStatusSub.ResourceURL = hostUrl.String() + basePath + "subscriptions/zoneStatus/" + subsIdStr

	_ = rc.JSONSetEntry(baseKey+typeZoneStatusSubscription+":"+subsIdStr, ".", convertZoneStatusSubscriptionToJson(zoneStatusSub))

	deregisterZoneStatus(subsIdStr)
	registerZoneStatus(zoneStatusSub.ZoneId, zoneStatusSub.NumberOfUsersZoneThreshold, zoneStatusSub.NumberOfUsersAPThreshold,
		zoneStatusSub.OperationStatus, subsIdStr)

	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 populateZoneStatusList(key string, jsonInfo string, userData interface{}) error {

	zoneList := userData.(*ZoneStatusNotificationSubscriptionList)
	var zoneInfo ZoneStatusSubscription

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

func cleanUp() {
	log.Info("Terminate all")
	rc.DBFlush(baseKey)
	nextZonalSubscriptionIdAvailable = 1
	nextUserSubscriptionIdAvailable = 1
	nextZoneStatusSubscriptionIdAvailable = 1

	mutex.Lock()
	defer mutex.Unlock()
	zonalSubscriptionEnteringMap = map[int]string{}
	zonalSubscriptionLeavingMap = map[int]string{}
	zonalSubscriptionTransferringMap = map[int]string{}
	zonalSubscriptionMap = map[int]string{}

	userSubscriptionEnteringMap = map[int]string{}
	userSubscriptionLeavingMap = map[int]string{}
	userSubscriptionTransferringMap = map[int]string{}
	userSubscriptionMap = map[int]string{}

	zoneStatusSubscriptionMap = map[int]*ZoneStatusCheck{}

	updateStoreName("")
}

func updateStoreName(storeName string) {
	if currentStoreName != storeName {
		currentStoreName = storeName
		_ = httpLog.ReInit(logModuleLocServ, sandboxName, storeName, redisAddr, influxAddr)
	}
}

func updateUserInfo(address string, zoneId string, accessPointId string, longitude *float32, latitude *float32) {
	var oldZoneId string
	var oldApId string

	// Get User Info from DB
	jsonUserInfo, _ := rc.JSONGetEntry(baseKey+typeUser+":"+address, ".")
	userInfo := convertJsonToUserInfo(jsonUserInfo)

	// Create new user info if necessary
	if userInfo == nil {
		userInfo = new(UserInfo)
		userInfo.Address = address
		userInfo.ResourceURL = hostUrl.String() + basePath + "users/" + address
	} else {
		// Get old zone & AP IDs
		oldZoneId = userInfo.ZoneId
		oldApId = userInfo.AccessPointId
	}
	userInfo.ZoneId = zoneId
	userInfo.AccessPointId = accessPointId

	// Update position
	if longitude == nil || latitude == nil {
		userInfo.LocationInfo = nil
	} else {
		if userInfo.LocationInfo == nil {
			userInfo.LocationInfo = new(LocationInfo)
			userInfo.LocationInfo.Accuracy = 1
		}
		userInfo.LocationInfo.Longitude = *longitude
		userInfo.LocationInfo.Latitude = *latitude
	}

	// Update User info in DB & Send notifications
	_ = rc.JSONSetEntry(baseKey+typeUser+":"+address, ".", convertUserInfoToJson(userInfo))
	checkNotificationRegistrations(USER_TRACKING_AND_ZONAL_TRAFFIC, oldZoneId, zoneId, oldApId, accessPointId, address)
}

func updateZoneInfo(zoneId string, nbAccessPoints int, nbUnsrvAccessPoints int, nbUsers int) {
	// Get Zone Info from DB
	jsonZoneInfo, _ := rc.JSONGetEntry(baseKey+typeZone+":"+zoneId, ".")
	zoneInfo := convertJsonToZoneInfo(jsonZoneInfo)

	// Create new zone info if necessary
	if zoneInfo == nil {
		zoneInfo = new(ZoneInfo)
		zoneInfo.ZoneId = zoneId
		zoneInfo.ResourceURL = hostUrl.String() + basePath + "zones/" + zoneId
	}

	// Update info
	if nbAccessPoints != -1 {
		zoneInfo.NumberOfAccessPoints = int32(nbAccessPoints)
	}
	if nbUnsrvAccessPoints != -1 {
		zoneInfo.NumberOfUnservicableAccessPoints = int32(nbUnsrvAccessPoints)
	}
	if nbUsers != -1 {
		zoneInfo.NumberOfUsers = int32(nbUsers)
	}

	// Update Zone info in DB & Send notifications
	_ = rc.JSONSetEntry(baseKey+typeZone+":"+zoneId, ".", convertZoneInfoToJson(zoneInfo))
	checkNotificationRegistrations(ZONE_STATUS, zoneId, "", "", strconv.Itoa(nbUsers), "")
}

func updateAccessPointInfo(zoneId string, apId string, conTypeStr string, opStatusStr string, nbUsers int, longitude *float32, latitude *float32) {
	// Get AP Info from DB
	jsonApInfo, _ := rc.JSONGetEntry(baseKey+typeZone+":"+zoneId+":"+typeAccessPoint+":"+apId, ".")
	apInfo := convertJsonToAccessPointInfo(jsonApInfo)

	// Create new AP info if necessary
	if apInfo == nil {
		apInfo = new(AccessPointInfo)
		apInfo.AccessPointId = apId
		apInfo.ResourceURL = hostUrl.String() + basePath + "zones/" + zoneId + "/accessPoints/" + apId
	}

	// Update info
	if opStatusStr != "" {
		opStatus := convertStringToOperationStatus(opStatusStr)
		apInfo.OperationStatus = &opStatus
	}
	if conTypeStr != "" {
		conType := convertStringToConnectionType(conTypeStr)
		apInfo.ConnectionType = &conType
	}
	if nbUsers != -1 {
		apInfo.NumberOfUsers = int32(nbUsers)
	}

	// Update position
	if longitude == nil || latitude == nil {
		apInfo.LocationInfo = nil
	} else {
		if apInfo.LocationInfo == nil {
			apInfo.LocationInfo = new(LocationInfo)
			apInfo.LocationInfo.Accuracy = 1
		}
		apInfo.LocationInfo.Longitude = *longitude
		apInfo.LocationInfo.Latitude = *latitude
	}

	// Update AP info in DB & Send notifications
	_ = rc.JSONSetEntry(baseKey+typeZone+":"+zoneId+":"+typeAccessPoint+":"+apId, ".", convertAccessPointInfoToJson(apInfo))
	checkNotificationRegistrations(ZONE_STATUS, zoneId, apId, strconv.Itoa(nbUsers), "", "")
}

func zoneStatusReInit() {
	//reusing the object response for the get multiple zoneStatusSubscription
	var zoneList ZoneStatusNotificationSubscriptionList

	keyName := baseKey + typeZoneStatusSubscription + "*"
	_ = rc.ForEachJSONEntry(keyName, populateZoneStatusList, &zoneList)

	maxZoneStatusSubscriptionId := 0
	mutex.Lock()
	defer mutex.Unlock()
	for _, zone := range zoneList.ZoneStatusSubscription {
		resourceUrl := strings.Split(zone.ResourceURL, "/")
		subscriptionId, err := strconv.Atoi(resourceUrl[len(resourceUrl)-1])
		if err != nil {
			log.Error(err)
		} else {
			if subscriptionId > maxZoneStatusSubscriptionId {
				maxZoneStatusSubscriptionId = subscriptionId
			}

			var zoneStatus ZoneStatusCheck
			opStatus := zone.OperationStatus
			if opStatus != nil {
				for i := 0; i < len(opStatus); i++ {
					switch opStatus[i] {
					case SERVICEABLE:
						zoneStatus.Serviceable = true
					case UNSERVICEABLE:
						zoneStatus.Unserviceable = true
					case OPSTATUS_UNKNOWN:
						zoneStatus.Unknown = true
					default:
					}
				}
			}
			zoneStatus.NbUsersInZoneThreshold = (int)(zone.NumberOfUsersZoneThreshold)
			zoneStatus.NbUsersInAPThreshold = (int)(zone.NumberOfUsersAPThreshold)
			zoneStatus.ZoneId = zone.ZoneId
			zoneStatusSubscriptionMap[subscriptionId] = &zoneStatus
		}
	}
	nextZoneStatusSubscriptionIdAvailable = maxZoneStatusSubscriptionId + 1
}

func zonalTrafficReInit() {
	//reusing the object response for the get multiple zonalSubscription
	var zoneList ZonalTrafficNotificationSubscriptionList

	keyName := baseKey + typeZonalSubscription + "*"
	_ = rc.ForEachJSONEntry(keyName, populateZonalTrafficList, &zoneList)

	maxZonalSubscriptionId := 0
	mutex.Lock()
	defer mutex.Unlock()
	for _, zone := range zoneList.ZonalTrafficSubscription {
		resourceUrl := strings.Split(zone.ResourceURL, "/")
		subscriptionId, err := strconv.Atoi(resourceUrl[len(resourceUrl)-1])
		if err != nil {
			log.Error(err)
		} else {
			if subscriptionId > maxZonalSubscriptionId {
				maxZonalSubscriptionId = subscriptionId
			}

			for i := 0; i < len(zone.UserEventCriteria); i++ {
				switch zone.UserEventCriteria[i] {
				case ENTERING:
					zonalSubscriptionEnteringMap[subscriptionId] = zone.ZoneId
				case LEAVING:
					zonalSubscriptionLeavingMap[subscriptionId] = zone.ZoneId
				case TRANSFERRING:
					zonalSubscriptionTransferringMap[subscriptionId] = zone.ZoneId
				default:
				}
			}
			zonalSubscriptionMap[subscriptionId] = zone.ZoneId
		}
	}
	nextZonalSubscriptionIdAvailable = maxZonalSubscriptionId + 1
}

func userTrackingReInit() {
	//reusing the object response for the get multiple zonalSubscription
	var userList UserTrackingNotificationSubscriptionList

	keyName := baseKey + typeUserSubscription + "*"
	_ = rc.ForEachJSONEntry(keyName, populateUserTrackingList, &userList)

	maxUserSubscriptionId := 0
	mutex.Lock()
	defer mutex.Unlock()

	for _, user := range userList.UserTrackingSubscription {
		resourceUrl := strings.Split(user.ResourceURL, "/")
		subscriptionId, err := strconv.Atoi(resourceUrl[len(resourceUrl)-1])
		if err != nil {
			log.Error(err)
		} else {
			if subscriptionId > maxUserSubscriptionId {
				maxUserSubscriptionId = subscriptionId
			}

			for i := 0; i < len(user.UserEventCriteria); i++ {
				switch user.UserEventCriteria[i] {
				case ENTERING:
					userSubscriptionEnteringMap[subscriptionId] = user.Address
				case LEAVING:
					userSubscriptionLeavingMap[subscriptionId] = user.Address
				case TRANSFERRING:
					userSubscriptionTransferringMap[subscriptionId] = user.Address
				default:
				}
			}
			userSubscriptionMap[subscriptionId] = user.Address
		}
	}
	nextUserSubscriptionIdAvailable = maxUserSubscriptionId + 1
}