feat: cm360 router batching

src/services/destination/postTransformation.ts

@@ -16,6 +16,15 @@ import { ErrorReportingService } from '../errorReporting';
 import tags from '../../v0/util/tags';
 import stats from '../../util/stats';
 
+type ErrorResponse = {
+  status?: number;
+  message?: string;
+  destinationResponse?: object;
+  statTags?: object;
+  authErrorCategory?: string | undefined;
+  response?: object | undefined;
+};
+
 export class DestinationPostTransformationService {
   public static handleProcessorTransformSucessEvents(
     event: ProcessorTransformationRequest,
@@ -139,7 +148,7 @@ export class DestinationPostTransformationService {
   }
 
   public static handleDeliveryFailureEvents(
-    error: NonNullable<unknown>,
+    error: ErrorResponse,
     metaTo: MetaTransferObject,
   ): DeliveryResponse {
     const errObj = generateErrorObject(error, metaTo.errorDetails, false);
@@ -152,6 +161,12 @@ export class DestinationPostTransformationService {
         authErrorCategory: errObj.authErrorCategory,
       }),
     } as DeliveryResponse;
+
+    // for transformer-proxy to maintain contract
+    const { response } = error;
+    if (response) {
+      resp.response = response;
+    }
     ErrorReportingService.reportError(error, metaTo.errorContext, resp);
     return resp;
   }

src/types/index.ts

@@ -140,6 +140,7 @@ type DeliveryResponse = {
   destinationResponse: any;
   statTags: object;
   authErrorCategory?: string;
+  response?: object;
 };
 
 enum MessageType {

src/v0/destinations/am/transform.js

@@ -591,8 +591,12 @@ const processSingleMessage = (message, destination) => {
   const { name, event, properties } = message;
   const messageType = message.type.toLowerCase();
   const CATEGORY_KEY = 'properties.category';
-  const { useUserDefinedPageEventName, userProvidedPageEventString,
-    useUserDefinedScreenEventName, userProvidedScreenEventString } = destination.Config;
+  const {
+    useUserDefinedPageEventName,
+    userProvidedPageEventString,
+    useUserDefinedScreenEventName,
+    userProvidedScreenEventString,
+  } = destination.Config;
   switch (messageType) {
     case EventType.IDENTIFY:
       payloadObjectName = 'events'; // identify same as events
@@ -602,17 +606,17 @@ const processSingleMessage = (message, destination) => {
     case EventType.PAGE:
       if (useUserDefinedPageEventName) {
         const getMessagePath = userProvidedPageEventString
-            .substring(
-                userProvidedPageEventString.indexOf('{') + 2,
-                userProvidedPageEventString.indexOf('}'),
-            )
-            .trim();
+          .substring(
+            userProvidedPageEventString.indexOf('{') + 2,
+            userProvidedPageEventString.indexOf('}'),
+          )
+          .trim();
         evType =
-            userProvidedPageEventString.trim() === ''
-                ? name
-                : userProvidedPageEventString
-                    .trim()
-                    .replaceAll(/{{([^{}]+)}}/g, get(message, getMessagePath));
+          userProvidedPageEventString.trim() === ''
+            ? name
+            : userProvidedPageEventString
+                .trim()
+                .replaceAll(/{{([^{}]+)}}/g, get(message, getMessagePath));
       } else {
         evType = `Viewed ${name || get(message, CATEGORY_KEY) || ''} Page`;
       }
@@ -625,25 +629,25 @@ const processSingleMessage = (message, destination) => {
     case EventType.SCREEN:
       {
         const { eventType, updatedProperties } = getScreenevTypeAndUpdatedProperties(
-            message,
-            CATEGORY_KEY,
+          message,
+          CATEGORY_KEY,
         );
         let customScreenEv = '';
         if (useUserDefinedScreenEventName) {
           const getMessagePath = userProvidedScreenEventString
-              .substring(
-                  userProvidedScreenEventString.indexOf('{') + 2,
-                  userProvidedScreenEventString.indexOf('}'),
-              )
-              .trim();
+            .substring(
+              userProvidedScreenEventString.indexOf('{') + 2,
+              userProvidedScreenEventString.indexOf('}'),
+            )
+            .trim();
           customScreenEv =
-              userProvidedScreenEventString.trim() === ''
-                  ? name
-                  : userProvidedScreenEventString
-                      .trim()
-                      .replaceAll(/{{([^{}]+)}}/g, get(message, getMessagePath));
+            userProvidedScreenEventString.trim() === ''
+              ? name
+              : userProvidedScreenEventString
+                  .trim()
+                  .replaceAll(/{{([^{}]+)}}/g, get(message, getMessagePath));
         }
-        evType =useUserDefinedScreenEventName ? customScreenEv : eventType;
+        evType = useUserDefinedScreenEventName ? customScreenEv : eventType;
         message.properties = updatedProperties;
         category = ConfigCategory.SCREEN;
       }

src/v0/destinations/campaign_manager/config.js

@@ -9,6 +9,8 @@ const ConfigCategories = {
   },
 };
 
+const MAX_BATCH_CONVERSATIONS_SIZE = 1000;
+
 const EncryptionEntityType = [
   'ENCRYPTION_ENTITY_TYPE_UNKNOWN',
   'DCM_ACCOUNT',
@@ -28,4 +30,5 @@ module.exports = {
   BASE_URL,
   EncryptionEntityType,
   EncryptionSource,
+  MAX_BATCH_CONVERSATIONS_SIZE,
 };

src/v0/destinations/campaign_manager/networkHandler.js

@@ -1,3 +1,4 @@
+/* eslint-disable no-restricted-syntax */
 const { AbortedError, RetryableError, NetworkError } = require('@rudderstack/integrations-lib');
 const { prepareProxyRequest, proxyRequest } = require('../../../adapters/network');
 const { isHttpStatusSuccess, getAuthErrCategoryFromStCode } = require('../../util/index');
@@ -9,22 +10,44 @@ const {
 const tags = require('../../util/tags');
 
 function checkIfFailuresAreRetryable(response) {
+  const { status } = response;
   try {
-    if (Array.isArray(response.status) && Array.isArray(response.status[0].errors)) {
-      return (
-        response.status[0].errors[0].code !== 'PERMISSION_DENIED' &&
-        response.status[0].errors[0].code !== 'INVALID_ARGUMENT'
-      );
+    if (Array.isArray(status)) {
+      // iterate over each status, and if found retryable in conversations ..retry else discard
+      /* status : [{
+        "conversion": {
+          object (Conversion)
+        },
+        "errors": [
+          {
+            object (ConversionError)
+          }
+        ],
+        "kind": string
+      }] */
+      for (const st of status) {
+        for (const err of st.errors) {
+          // if code is any of these, event is not retryable
+          if (
+            err.code === 'PERMISSION_DENIED' ||
+            err.code === 'INVALID_ARGUMENT' ||
+            err.code === 'NOT_FOUND'
+          ) {
+            return false;
+          }
+        }
+      }
     }
     return true;
   } catch (e) {
-    return true;
+    return false;
   }
 }
 
 const responseHandler = (destinationResponse) => {
   const message = `[CAMPAIGN_MANAGER Response Handler] - Request Processed Successfully`;
   const { response, status } = destinationResponse;
+
   if (isHttpStatusSuccess(status)) {
     // check for Failures
     if (response.hasFailures === true) {

src/v0/destinations/campaign_manager/transform.js

@@ -1,13 +1,16 @@
 const { InstrumentationError } = require('@rudderstack/integrations-lib');
+const lodash = require('lodash');
 const { EventType } = require('../../../constants');
-
 const {
   constructPayload,
   defaultRequestConfig,
   defaultPostRequestConfig,
+  defaultBatchRequestConfig,
   removeUndefinedAndNullValues,
+  getSuccessRespEvents,
   isDefinedAndNotNull,
-  simpleProcessRouterDest,
+  checkInvalidRtTfEvents,
+  handleRtTfSingleEventError,
   getAccessToken,
 } = require('../../util');
 
@@ -17,6 +20,7 @@ const {
   BASE_URL,
   EncryptionEntityType,
   EncryptionSource,
+  MAX_BATCH_CONVERSATIONS_SIZE,
 } = require('./config');
 
 const { convertToMicroseconds } = require('./util');
@@ -178,9 +182,110 @@ function process(event) {
   return response;
 }
 
+const generateBatch = (eventKind, events) => {
+  const batchRequestObject = defaultBatchRequestConfig();
+  const conversions = [];
+  let encryptionInfo = {};
+  const metadata = [];
+  // extracting destination, message from the first event in a batch
+  const { destination, message } = events[0];
+  // Batch event into dest batch structure
+  events.forEach((ev) => {
+    conversions.push(...ev.message.body.JSON.conversions);
+    metadata.push(ev.metadata);
+    if (ev.message.body.JSON.encryptionInfo) {
+      encryptionInfo = ev.message.body.JSON.encryptionInfo;
+    }
+  });
+
+  batchRequestObject.batchedRequest.body.JSON = {
+    kind: eventKind,
+    conversions,
+  };
+
+  if (Object.keys(encryptionInfo).length > 0) {
+    batchRequestObject.batchedRequest.body.JSON.encryptionInfo = encryptionInfo;
+  }
+
+  batchRequestObject.batchedRequest.endpoint = message.endpoint;
+
+  batchRequestObject.batchedRequest.headers = message.headers;
+
+  return {
+    ...batchRequestObject,
+    metadata,
+    destination,
+  };
+};
+
+const batchEvents = (eventChunksArray) => {
+  const batchedResponseList = [];
+
+  // group batchInsert and batchUpdate payloads
+  const groupedEventChunks = lodash.groupBy(
+    eventChunksArray,
+    (event) => event.message.body.JSON.kind,
+  );
+  Object.keys(groupedEventChunks).forEach((eventKind) => {
+    // eventChunks = [[e1,e2,e3,..batchSize],[e1,e2,e3,..batchSize]..]
+    const eventChunks = lodash.chunk(groupedEventChunks[eventKind], MAX_BATCH_CONVERSATIONS_SIZE);
+    eventChunks.forEach((chunk) => {
+      const batchEventResponse = generateBatch(eventKind, chunk);
+      batchedResponseList.push(
+        getSuccessRespEvents(
+          batchEventResponse.batchedRequest,
+          batchEventResponse.metadata,
+          batchEventResponse.destination,
+          true,
+        ),
+      );
+    });
+  });
+  return batchedResponseList;
+};
+
 const processRouterDest = async (inputs, reqMetadata) => {
-  const respList = await simpleProcessRouterDest(inputs, process, reqMetadata);
-  return respList;
+  const errorRespEvents = checkInvalidRtTfEvents(inputs);
+  if (errorRespEvents.length > 0) {
+    return errorRespEvents;
+  }
+
+  const batchErrorRespList = [];
+  const eventChunksArray = [];
+  const { destination } = inputs[0];
+  await Promise.all(
+    inputs.map(async (event) => {
+      try {
+        if (event.message.statusCode) {
+          // already transformed event
+          eventChunksArray.push({
+            message: event.message,
+            metadata: event.metadata,
+            destination,
+          });
+        } else {
+          // if not transformed
+          const proccessedRespList = process(event);
+          const transformedPayload = {
+            message: proccessedRespList,
+            metadata: event.metadata,
+            destination,
+          };
+          eventChunksArray.push(transformedPayload);
+        }
+      } catch (error) {
+        const errRespEvent = handleRtTfSingleEventError(event, error, reqMetadata);
+        batchErrorRespList.push(errRespEvent);
+      }
+    }),
+  );
+
+  let batchResponseList = [];
+  if (eventChunksArray.length > 0) {
+    batchResponseList = batchEvents(eventChunksArray);
+  }
+
+  return [...batchResponseList, ...batchErrorRespList];
 };
 
 module.exports = { process, processRouterDest };

test/__tests__/facebook_conversions.test.js

@@ -38,7 +38,7 @@ describe(`${name} Tests`, () => {
       });
     });
   });
-
+  
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);

test/integrations/destinations/campaign_manager/dataDelivery/data.ts

@@ -1,7 +1,7 @@
 export const data = [
   {
     name: 'campaign_manager',
-    description: 'Sucess insert request',
+    description: 'Sucess insert request V0',
     feature: 'dataDelivery',
     module: 'destination',
     version: 'v0',
@@ -135,14 +135,14 @@ export const data = [
     },
     output: {
       response: {
-        status: 500,
+        status: 400,
         body: {
           output: {
-            status: 500,
-            message: 'Campaign Manager: Retrying during CAMPAIGN_MANAGER response transformation',
+            status: 400,
+            message: 'Campaign Manager: Aborting during CAMPAIGN_MANAGER response transformation',
             statTags: {
               errorCategory: 'network',
-              errorType: 'retryable',
+              errorType: 'aborted',
               destType: 'CAMPAIGN_MANAGER',
               module: 'destination',
               implementation: 'native',