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only create valid wifiScans

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This commit is contained in:
Hendrik Schutter
2025-01-02 15:42:52 +01:00
parent fc8e4ca486
commit 3f3c47d629
1 changed files with 22 additions and 15 deletions
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37
server/src/eventHandler/ttnMessageReceivedEventHandler.ts
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@ -58,29 +58,36 @@ const CalculateWifiLocation = async (event: TtnMessageReceivedEvent) => {
event.wifis.map(async (wifi) => {
// Create new WiFi Scan entry if wigle.net reported location
const apiResponse = await getLocationForWifiMemoized(wifi.mac);
return {
lp_ttn_end_device_uplinks_id: event.lp_ttn_end_device_uplinks_id,
mac: wifi.mac,
rssi: wifi.rssi,
latitude: apiResponse?.results[0]?.trilat,
longitude: apiResponse?.results[0]?.trilong,
};
console.log(apiResponse);
// Only return valid data wifiScans (location for MAC was found)
if ((apiResponse != undefined) && (apiResponse.success == true) && (apiResponse?.totalResults > 0)) {
console.log("Create new wifiScan: " + wifi.mac)
return {
lp_ttn_end_device_uplinks_id: event.lp_ttn_end_device_uplinks_id,
mac: wifi.mac,
rssi: wifi.rssi,
latitude: apiResponse.results[0].trilat,
longitude: apiResponse.results[0].trilong,
};
}
// Return null for invalid cases
console.log("Don't create new wifiScan: " + wifi.mac)
return null;
})
);
// Store valid wifiScans into DB
await wifiScanService.createWifiScans(wifiScans);
const { totalWeight, weightedLatitude, weightedLongitude } =
wifiScans.reduce(
(acc, { latitude, longitude, rssi }) => {
if (latitude && longitude && rssi !== 0) {
const weight = 1 / Math.abs(rssi);
acc.totalWeight += weight;
acc.weightedLatitude += latitude * weight;
acc.weightedLongitude += longitude * weight;
}
console.log("Current WifiScan: " + latitude + " " + longitude + " " + rssi)
const weight = 1 / Math.abs(rssi);
acc.totalWeight += weight;
acc.weightedLatitude += latitude * weight;
acc.weightedLongitude += longitude * weight;
return acc;
},
{