feat: restructure events payload (#8143)

* refactor: restructure events payload

Breaking change: This PR changes the event payload accepted by the event
listeners

* refactor: fix failing tests and implement feedback

* add integration tests

* fix timeout

---------

Co-authored-by: Adrien de Peretti <adrien.deperetti@gmail.com>

packages/core/core-flows/src/common/steps/emit-event.ts

@@ -28,7 +28,7 @@ export const emitEventStep = createStep(
     const data_ =
       typeof input.data === "function" ? await input.data(context) : input.data
 
-    const metadata: EventBusTypes.MessageBody["metadata"] = {
+    const metadata: EventBusTypes.Event["metadata"] = {
       ...input.metadata,
     }
 
@@ -36,8 +36,8 @@ export const emitEventStep = createStep(
       metadata.eventGroupId = context.eventGroupId
     }
 
-    const message = {
-      eventName: input.eventName,
+    const message: EventBusTypes.Message = {
+      name: input.eventName,
       data: data_,
       options: input.options,
       metadata,

packages/core/types/src/event-bus/common.ts

@@ -1,8 +1,6 @@
 import { Context } from "../shared-context"
 
-export type Subscriber<TData = unknown> = (
-  data: MessageBody<TData>
-) => Promise<void>
+export type Subscriber<TData = unknown> = (data: Event<TData>) => Promise<void>
 
 export type SubscriberContext = {
   subscriberId: string
@@ -17,13 +15,13 @@ export type EventMetadata = Record<string, unknown> & {
   eventGroupId?: string
 }
 
-export type MessageBody<TData = unknown> = {
-  eventName: string
+export type Event<TData = unknown> = {
+  name: string
   metadata?: EventMetadata
   data: TData
 }
 
-export type Message<TData = unknown> = MessageBody<TData> & {
+export type Message<TData = unknown> = Event<TData> & {
   options?: Record<string, unknown>
 }
 

packages/core/utils/src/event-bus/build-event-messages.ts

@@ -33,7 +33,7 @@ export function composeMessage(
     throw new Error("Action is required if eventName is not a CommonEvent")
   }
 
-  const metadata: EventBusTypes.MessageBody["metadata"] = {
+  const metadata: EventBusTypes.Event["metadata"] = {
     source,
     object,
     action: act!,
@@ -44,7 +44,7 @@ export function composeMessage(
   }
 
   return {
-    eventName,
+    name: eventName,
     metadata,
     data,
     options,

packages/core/utils/src/modules-sdk/medusa-service.ts

@@ -261,7 +261,7 @@ export function MedusaService<
 
           await this.eventBusModuleService_?.emit(
             primaryKeyValues_.map((primaryKeyValue) => ({
-              eventName: `${kebabCase(modelName)}.deleted`,
+              name: `${kebabCase(modelName)}.deleted`,
               data: isString(primaryKeyValue)
                 ? { id: primaryKeyValue }
                 : primaryKeyValue,
@@ -294,7 +294,7 @@ export function MedusaService<
 
           await this.eventBusModuleService_?.emit(
             softDeletedModels.map(({ id }) => ({
-              eventName: `${kebabCase(modelName)}.deleted`,
+              name: `${kebabCase(modelName)}.deleted`,
               metadata: { source: "", action: "", object: "" },
               data: { id },
             }))