Start using mongo timeseries

mooving all database relevant function to influx.js resp. mongo.js

aktual data now also readable from mongo

databases/mongo.js

@@ -30,7 +30,7 @@ export const connectMongo = async () => {
 //        logit(`Try to connect to ${MONGO_URL}`)
 //        let client = await MongoClient.connect(MONGO_URL, { useNewUrlParser: true , useUnifiedTopology: true })
         let client = await MongoClient.connect(MONGO_URL)
-//        logit(`Mongodbase connected to ${MONGO_URL}`)
+        logit(`Mongodbase connected to ${MONGO_URL}`)
         return client
     }
     catch(error){
@@ -143,3 +143,57 @@ export const readAKWs = async (options) => {
     }
     return ret
 }
+
+export const fetchActData = async (opts) => {
+    let ret = {err: null, values: []}
+    let start = opts.start.slice(7)
+    let end = opts.stop.slice(6)
+    start = DateTime.fromISO(start).toJSDate()
+    end = DateTime.fromISO(end).toJSDate()
+    let query = {sensorid: opts.sensorid, datetime: {$gte: start, $lt: end}}
+    let client = await connectMongo()
+    try {
+        ret.values = await client.db(MONGOBASE).collection('sensors')
+            .find(query).toArray()
+    }
+    catch(e) {
+        ret.err = e
+    }
+    finally {
+        client.close()
+    }
+    return ret
+}
+/*
+    let docs = await collection.find(
+        { datetime:
+            { $gte: start.toDate(),  $lt: end.toDate() }
+        },
+        { projection:
+            {_id:0, E_eq:0, E_mx:0, E_mi:0, E10tel_mx:0, E10tel_mi:0}, sort: {datetime: sort}
+        },
+    ).toArray();
+*/
+
+
+export const fetchActDataxx = async (opts) => {
+    let ret = {err: null, values: []}
+    let sorting = ''
+    if(opts.sort) {
+        if (opts.sort === 1) {
+            sorting = '|> sort(columns: ["_time"], desc: false)'
+        } else if (opts.sort === -1) {
+            sorting = '|> sort(columns: ["_time"], desc: true)'
+        }
+    }
+    // build the flux query
+    let query = `
+    from(bucket: "sensor_data")     
+|> range(${opts.start}, ${opts.stop})  
+|> filter(fn: (r) => r.sid == "${opts.sensorid}")  
+${sorting}
+|> keep(columns: ["_time","_field","_value"]) 
+|> pivot(rowKey:["_time"], columnKey: ["_field"], valueColumn: "_value")
+`
+    return await fetchFromInflux(ret, query)
+}