Added frost risk

server/src/sensors.mjs

@@ -1,4 +1,5 @@
 import {cfg} from './config.mjs';
+import { frostRisk } from './forecast.mjs';
 
 async function query(c, q, start, end) {
 	const url = new URL('/api/v1/query_range', c.DB_HOST);
@@ -30,9 +31,15 @@ function metricToFields(results) {
 }
 
 export async function queryCurrent() {
-	const c       = cfg();
-	const results = await queryInstant(c, `{__name__!=""}`);
-	return {time: new Date(), ...metricToFields(results)};
+	const c       = cfg()
+	const results = await queryInstant(c, `{__name__!=""}`)
+	const fields  = metricToFields(results)
+	const dp      = fields.dew_point ?? null
+	return {
+		time: new Date(),
+		...fields,
+		frost_risk: frostRisk(fields.temperature ?? 99, dp ?? 99, fields.humidity ?? 0),
+	}
 }
 
 export async function queryHourly(start, end) {