Relearning after unit updating (#647)

server/src/controllers/analytics_controller.ts

@@ -581,35 +581,34 @@ export async function getHSR(analyticUnit: AnalyticUnit.AnalyticUnit, from: numb
 
     if(analyticUnit.detectorType !== AnalyticUnit.DetectorType.ANOMALY) {
       return data;
-    } else {
-      let cache = await AnalyticUnitCache.findById(analyticUnit.id);
-      if(
-        cache === null ||
-        cache.data.alpha !== (analyticUnit as AnalyticUnit.AnomalyAnalyticUnit).alpha ||
-        cache.data.confidence !== (analyticUnit as AnalyticUnit.AnomalyAnalyticUnit).confidence
-      ) {
-        await runLearning(analyticUnit.id, from, to);
-        cache = await AnalyticUnitCache.findById(analyticUnit.id);
-      }
-
-      cache = cache.data;
-    
-      const analyticUnitType = analyticUnit.type;
-      const detector = analyticUnit.detectorType;
-      const payload = {
-        data: data.values,
-        analyticUnitType,
-        detector,
-        cache
-      };
-
-      const processingTask = new AnalyticsTask(analyticUnit.id, AnalyticsTaskType.PROCESS, payload);
-      const result = await runTask(processingTask);
-      if(result.status !== AnalyticUnit.AnalyticUnitStatus.SUCCESS) {
-        throw new Error(`Data processing error: ${result.error}`);
-      }
-      return { values: result.payload.data, columns: data.columns }
     }
+    let cache = await AnalyticUnitCache.findById(analyticUnit.id);
+    if(
+      cache === null ||
+      cache.data.alpha !== (analyticUnit as AnalyticUnit.AnomalyAnalyticUnit).alpha ||
+      cache.data.confidence !== (analyticUnit as AnalyticUnit.AnomalyAnalyticUnit).confidence
+    ) {
+      await runLearning(analyticUnit.id, from, to);
+      cache = await AnalyticUnitCache.findById(analyticUnit.id);
+    }
+
+    cache = cache.data;
+  
+    const analyticUnitType = analyticUnit.type;
+    const detector = analyticUnit.detectorType;
+    const payload = {
+      data: data.values,
+      analyticUnitType,
+      detector,
+      cache
+    };
+
+    const processingTask = new AnalyticsTask(analyticUnit.id, AnalyticsTaskType.PROCESS, payload);
+    const result = await runTask(processingTask);
+    if(result.status !== AnalyticUnit.AnalyticUnitStatus.SUCCESS) {
+      throw new Error(`Data processing error: ${result.error}`);
+    }
+    return { values: result.payload.data, columns: data.columns };
   } catch (err) {
     const message = err.message || JSON.stringify(err);
     await AnalyticUnit.setStatus(analyticUnit.id, AnalyticUnit.AnalyticUnitStatus.FAILED, message);

server/src/models/analytic_units/analytic_unit_model.ts

@@ -4,6 +4,9 @@ import { Metric } from 'grafana-datasource-kit';
 
 
 export abstract class AnalyticUnit {
+
+  public learningAfterUpdateRequired = false;
+
   constructor(
     public name: string,
     public grafanaUrl: string,

server/src/models/analytic_units/anomaly_analytic_unit_model.ts

@@ -5,6 +5,9 @@ import { Metric } from 'grafana-datasource-kit';
 
 
 export class AnomalyAnalyticUnit extends AnalyticUnit {
+
+  public learningAfterUpdateRequired = true;
+
   constructor(
     name: string,
     grafanaUrl: string,

server/src/models/analytic_units/threshold_analytic_unit_model.ts

@@ -14,6 +14,9 @@ export enum Condition {
 };
 
 export class ThresholdAnalyticUnit extends AnalyticUnit {
+
+  public learningAfterUpdateRequired = true;
+
   constructor(
     name: string,
     grafanaUrl: string,

server/src/models/analytic_units/utils.ts

@@ -17,7 +17,7 @@ export function createAnalyticUnitFromObject(obj: any): AnalyticUnit {
     case DetectorType.PATTERN:
       return PatternAnalyticUnit.fromObject(obj);
     case DetectorType.ANOMALY:
-      return AnomalyAnalyticUnit.fromObject(obj)
+      return AnomalyAnalyticUnit.fromObject(obj);
     case DetectorType.THRESHOLD:
       return ThresholdAnalyticUnit.fromObject(obj);
 

server/src/routes/analytic_units_router.ts

@@ -56,12 +56,18 @@ async function createUnit(ctx: Router.IRouterContext) {
 }
 
 async function updateUnit(ctx: Router.IRouterContext) {
-  const analyticUnit = ctx.request.body as AnalyticUnit.AnalyticUnit;
-  if(analyticUnit.id === undefined) {
+  const analyticUnitObj = ctx.request.body as AnalyticUnit.AnalyticUnit;
+  if(analyticUnitObj.id === undefined) {
     throw new Error('Cannot update undefined id');
   }
 
-  await AnalyticUnit.update(analyticUnit.id, analyticUnit);
+  const updatedObj = await AnalyticUnit.update(analyticUnitObj.id, analyticUnitObj);
+  const analyticUnit = AnalyticUnit.createAnalyticUnitFromObject(updatedObj);
+
+  if(analyticUnit.learningAfterUpdateRequired) {
+    await AnalyticsController.runLearning(analyticUnitObj.id);
+  }
+
   ctx.response.body = {
     code: 200,
     message: 'Success'