feat(modules-sdk, types, user, utils):init user module events (#6431)

* init user module events

* refactor utils

* undo test script update

* fix feedback

* add eventbus service to module test-runner

* add injected dependencies

* move events to utils

* use const eventname in tests

* rm withTransaction

packages/utils/src/modules-sdk/abstract-module-service-factory.ts

@@ -474,6 +474,19 @@ export function abstractModuleServiceFactory<
         /* ignore */
       }
     }
+
+    protected async emitEvents_(groupedEvents) {
+      if (!this.eventBusModuleService_ || !groupedEvents) {
+        return
+      }
+
+      const promises: Promise<void>[] = []
+      for (const group of Object.keys(groupedEvents)) {
+        promises.push(this.eventBusModuleService_?.emit(groupedEvents[group]))
+      }
+
+      await Promise.all(promises)
+    }
   }
 
   const mainModelMethods = buildMethodNamesFromModel(mainModel, false)

packages/utils/src/modules-sdk/decorators/emit-events.ts

@@ -0,0 +1,26 @@
+import { MessageAggregator } from "../../event-bus"
+import { InjectIntoContext } from "./inject-into-context"
+
+export function EmitEvents() {
+  return function (
+    target: any,
+    propertyKey: string | symbol,
+    descriptor: any
+  ): void {
+    const aggregator = new MessageAggregator()
+    InjectIntoContext({
+      messageAggregator: () => aggregator,
+    })(target, propertyKey, descriptor)
+
+    const original = descriptor.value
+
+    descriptor.value = async function (...args: any[]) {
+      const result = await original.apply(this, args)
+
+      await target.emitEvents_.apply(this, [aggregator.getMessages()])
+
+      aggregator.clearMessages()
+      return result
+    }
+  }
+}

packages/utils/src/modules-sdk/decorators/index.ts

@@ -2,3 +2,5 @@ export * from "./context-parameter"
 export * from "./inject-manager"
 export * from "./inject-shared-context"
 export * from "./inject-transaction-manager"
+export * from "./inject-into-context"
+export * from "./emit-events"

packages/utils/src/modules-sdk/decorators/inject-into-context.ts

@@ -1,3 +1,5 @@
+import { MessageAggregator } from "../../event-bus"
+
 export function InjectIntoContext(
   properties: Record<string, unknown | Function>
 ): MethodDecorator {