Eingabe und Listing funktionieren erst mal

db/mongo.js

@@ -16,9 +16,9 @@ let MONGO_URI = process.env.MONGO_URI || 'mongodb://localhost:27017';
 }
  */
 
-const DB_NAME = process.env.DB_NAME || 'espdb';
+const DB_NAME = process.env.DB_NAME || 'sensor_data';
 
-let db, entriesCollection, usersCollection, prop_fluxCollection;
+let db, entriesCollection, usersCollection, prop_fluxCollection, propertiesCollection;
 
 export async function initMongo() {
   const client = new MongoClient(MONGO_URI);
@@ -27,11 +27,12 @@ export async function initMongo() {
   entriesCollection = db.collection('entries');
   usersCollection = db.collection('users');
   prop_fluxCollection = db.collection('prop_flux');
+  propertiesCollection = db.collection('properties')
   return { db, entriesCollection, usersCollection };
 }
 
 export function getCollections() {
-  return { db, entriesCollection, usersCollection };
+  return { db, entriesCollection, usersCollection, prop_fluxCollection };
 }
 
 export const update_pflux = async(sn, doc) => {
@@ -42,4 +43,16 @@ export const update_pflux = async(sn, doc) => {
   } catch (e) {
     return { "error": true, "what": e}
   }
+}
+
+export const get_pflux = async(sn) => {
+  try {
+    let r = await prop_fluxCollection.findOne({_id: sn})
+    if (r == null) {
+      return { "error": true, "what": "Not found", "erg": r}
+    }
+    return {"error": null, "what": null, "erg": r}
+  } catch (e) {
+    return { "error": true, "what": e, "erg": null}
+  }
 }