server/src/controller/ttnController.ts

@@ -59,6 +59,11 @@ router.post(
             ? new Date(longitudeData.timestamp)
             : undefined,
       };
+      const wifiTimestamp = (() => {
+        const messages = message.uplink_message.decoded_payload?.messages?.[0];
+        const wifiScan = messages?.find((e: { type: string }) => e.type === "Wi-Fi Scan");
+        return wifiScan?.timestamp ? new Date(wifiScan.timestamp) : undefined;
+      })();
 
       const wifiScans =
         message.uplink_message.decoded_payload?.messages[0]
@@ -67,6 +72,7 @@ router.post(
             lp_ttn_end_device_uplinks_id,
             mac: w.mac,
             rssi: w.rssi,
+            scanned_at_timestamp: wifiTimestamp,
           })) ?? [];
 
       const ttnGatewayReceptions = message.uplink_message.rx_metadata.map(

server/src/services/wifiScanService.ts

@@ -5,12 +5,14 @@ interface CreateWifiScanParams {
   lp_ttn_end_device_uplinks_id: string;
   mac: string;
   rssi: number;
+  scanned_at_timestamp?: Date;
 }
 
 interface UpdateWifiScanParams {
   wifi_scan_id: string;
   mac?: string;
   rssi?: number;
+  scanned_at_timestamp?: Date;
 }
 
 @injectable()