add data regularity function

cloud-functions/nodejs/functions/index.js

@@ -160,3 +160,43 @@ exports.kitAlert = async (event, context) => {
         }
     }
 };
+
+
+/**
+ * Triggered by a change to a Firestore document.
+ *
+ * @param {!Object} event Event payload.
+ * @param {!Object} context Metadata for the event.
+ */
+
+// const functions = require("firebase-functions");
+// const admin = require("firebase-admin");
+// const moment = require('moment');
+
+// admin.initializeApp();
+
+exports.dataRegularity = async (event, context) => {
+    const resource = context.resource;
+    // log out the resource string that triggered the function
+    console.log('Function triggered by change to: ' + resource);
+    // now log the full event object
+    console.log(JSON.stringify(event));
+    const { kitSerial, classificationResult, _id, deviceId, led1Buffer, led2Buffer, led1Sample, led2Sample } = event.value.fields;
+    console.log('_id', _id?.stringValue);
+    if (led1Buffer?.stringValue > 27000 || led2Buffer?.stringValue > 28000 || led1Sample?.stringValue ) {
+        const currentKitTests = await admin.firestore().collection("testData").where("kitSerial", "==", kitSerial.stringValue).get();
+        let traitCount = 0;
+        currentKitTests?.docs.forEach((x) => {
+            if (x.data().classificationResult?.includes("Trait")) {
+                traitCount++;
+            }
+        });
+        await admin.firestore().collection("alerts").add({
+            name: 'Data Regularity',
+            kit: kitSerial.stringValue,
+            deviceId: deviceId,
+            message: `${_id.stringValue} has some irregularity in data`,
+            createdAt: moment().utcOffset("+05:30").format("YYYY-MM-DD HH:mm:ss")
+        });
+    }
+};