more on holu-rivm source

frontend/config/sources/holu-rivm.js

+import { roundBy } from "../../data-on-a-map-app/src/util/math"
 import { addMissingHours, pad } from "../../data-on-a-map-app/src/util/data"
 
 export default {
@@ -27,41 +28,47 @@ export default {
       let offlineSensors = []
       let unregisteredSensors = []
       let places = {}
-    
+
       const data = all.map(sensor => {
         const sensorData = latest.find(o => {
-          //return +o.id === +sensor.id
-          return +o.id === 211
+          return +o.id === +sensor.id
         })
 
-        let sensorDataToUse
-        if(sensorData.data[0][Object.keys(sensorData.data[0])[0]].value) {
-          sensorDataToUse = sensorData.data[0][Object.keys(sensorData.data[0])[0]]
-        } else {
-          sensorDataToUse = sensorData.data[1][Object.keys(sensorData.data[1])[0]]
+        const sensorDataReturn = {
+          id: sensor.id.toString(),
+          name: "HoLu-kit " + sensor.id.toString() + ": " + sensor.name,
+          source: "holu",
+          coordinates: [sensor.longitude, sensor.latitude],
+          mean: null,
+          max: null
         }
 
-        const dataAge = (new Date() - new Date(sensorDataToUse.timestamp))
+        if(sensorData) {
+          let sensorDataToUse
+          //if(sensorData.data[0][Object.keys(sensorData.data[0])[0]].value) {
+          if(sensorData.data[0]) {
+            sensorDataToUse = sensorData.data[0][Object.keys(sensorData.data[0])[0]]
+          } else {
+            sensorDataToUse = sensorData.data[1][Object.keys(sensorData.data[1])[0]]
+          }
 
-        if(dataAge < 3600000) {
-          return {
-            id: sensor.id.toString(),
-            name: "HoLu-kit " + sensor.id.toString() + ": " + sensor.name,
-            source: "holu",
-            coordinates: [sensor.longitude, sensor.latitude],
-            mean: sensorDataToUse.value,
-            max: null
+          console.log(sensor.id, sensorDataToUse.timestamp)
+  
+  
+          const dataAge = (new Date() - new Date(sensorDataToUse.timestamp))
+
+          console.log(`${roundBy(dataAge / 1000 / 60 / 60, 2)} uur`)
+          // + " (" + (dataAge < 86400000 ? "geen recente data" : "offline" ) + ")"
+          if(dataAge < 3600000) {
+            sensorDataReturn.mean = sensorDataToUse.value
+          } else {
+            sensorDataReturn.name = sensorDataReturn.name + " (geen recente data)"
           }
         } else {
-          return {
-            id: sensor.id.toString(),
-            name: "HoLu-kit " + sensor.id.toString() + ": " + sensor.name + " (" + (dataAge < 86400000 ? "geen recente data" : "offline" ) + ")",
-            source: "holu",
-            coordinates: [sensor.longitude, sensor.latitude],
-            mean: null,
-            max: null
-          }
+          sensorDataReturn.name = sensorDataReturn.name + " (offline)"
         }
+
+        return sensorDataReturn
       })
     
       latest.forEach(sensor => {