feat: initialize microservice architecture with auth, api, realtime, copernicus, ml, and console modules

api/src/storage/influx.js

@@ -0,0 +1,67 @@
+const { InfluxDB, Point } = require('@influxdata/influxdb-client');
+
+const url = process.env.INFLX_URL;
+const token = process.env.INFLX_TOKEN;
+const org = process.env.INFLX_ORG;
+
+const boatTelemetry = "boat"
+
+const client = new InfluxDB({ url, token })
+const write = client.getWriteApi(org, boatTelemetry);
+const querying = client.getQueryApi(org);
+
+
+async function append(measurement, sensor, data) {
+    const point = new Point(measurement)
+    .tag("sensor", sensor)
+    .floatField('temperature', data.temperature)
+    .floatField('humidity', data.humidity)
+
+    write.writePoint(point);
+    await write.flush();
+
+}
+
+async function writeBatch(datas) {
+    datas.forEach(data => {
+        append(data.measurement, data.sensor, data.data);
+    })
+}
+
+async function query(bucket, relativeTime, measurement, sensor, field) {
+
+    const fluxTimeRange = relativeTime || "-1h";
+    let fluxQuery = `
+    from(bucket: "${bucket}")
+    |> range(start: ${fluxTimeRange})
+    |> filter(fn: (r) => r._measurement == "${measurement}")`;
+
+    if (sensor) {
+        fluxQuery += `\n    |> filter(fn: (r) => r.sensor == "${sensor}")`;
+    }
+
+    if (field) {
+        fluxQuery += `\n    |> filter(fn: (r) => r._field == "${field}")`;
+    }
+
+    fluxQuery += `\n    |> yield(name: "data")`;
+
+    try {
+        const data = [];
+        for await (const { values, tableMeta } of querying.iterateRows(fluxQuery)) {
+            data.push(tableMeta.toObject(values));
+        }
+        return data;
+    } catch (error) {
+        console.error("Error in query:", error);
+        return [];
+    }
+
+}
+
+module.exports = {
+    write:append,
+    writeBatch,
+    query
+}
+