feat(medusa,event-bus-local,event-bus-redis): Event Bus modules (#2599)

packages/medusa/src/subscribers/batch-job.ts

@@ -1,7 +1,9 @@
-import BatchJobService from "../services/batch-job"
-import EventBusService from "../services/event-bus"
-import { StrategyResolverService } from "../services"
 import { EntityManager } from "typeorm"
+import {
+  BatchJobService,
+  EventBusService,
+  StrategyResolverService,
+} from "../services"
 
 type InjectedDependencies = {
   eventBusService: EventBusService
@@ -27,9 +29,15 @@ class BatchJobSubscriber {
     this.strategyResolver_ = strategyResolverService
     this.manager_ = manager
 
-    this.eventBusService_
-      .subscribe(BatchJobService.Events.CREATED, this.preProcessBatchJob)
-      .subscribe(BatchJobService.Events.CONFIRMED, this.processBatchJob)
+    this.eventBusService_.subscribe(
+      BatchJobService.Events.CREATED,
+      this.preProcessBatchJob
+    ) as EventBusService
+
+    this.eventBusService_.subscribe(
+      BatchJobService.Events.CONFIRMED,
+      this.processBatchJob
+    ) as EventBusService
   }
 
   preProcessBatchJob = async (data): Promise<void> => {

packages/medusa/src/subscribers/cart.ts

@@ -1,6 +1,5 @@
-import EventBusService from "../services/event-bus"
-import { CartService } from "../services"
 import { EntityManager } from "typeorm"
+import { CartService, EventBusService } from "../services"
 
 type InjectedDependencies = {
   eventBusService: EventBusService

packages/medusa/src/subscribers/search-indexing.ts

@@ -1,21 +1,21 @@
+import { EventBusTypes } from "@medusajs/types"
 import { indexTypes } from "medusa-core-utils"
 import { ISearchService } from "../interfaces"
 import ProductCategoryFeatureFlag from "../loaders/feature-flags/product-categories"
 import { SEARCH_INDEX_EVENT } from "../loaders/search-index"
 import { Product } from "../models"
-import EventBusService from "../services/event-bus"
 import ProductService from "../services/product"
 import { FlagRouter } from "../utils/flag-router"
 
 type InjectedDependencies = {
-  eventBusService: EventBusService
+  eventBusService: EventBusTypes.IEventBusService
   searchService: ISearchService
   productService: ProductService
   featureFlagRouter: FlagRouter
 }
 
 class SearchIndexingSubscriber {
-  private readonly eventBusService_: EventBusService
+  private readonly eventBusService_: EventBusTypes.IEventBusService
   private readonly searchService_: ISearchService
   private readonly productService_: ProductService
   private readonly featureFlagRouter_: FlagRouter