feat(pipeline-task): logger.

src/pipeline-tasks/pipeline-task.logger.ts

@@ -0,0 +1,35 @@
+import { RabbitSubscribe } from '@golevelup/nestjs-rabbitmq';
+import { Injectable, OnModuleDestroy } from '@nestjs/common';
+import { Observable, Subject } from 'rxjs';
+import { filter, publish, tap } from 'rxjs/operators';
+import { PipelineTaskEvent } from './models/pipeline-task-event';
+import {
+  EXCHANGE_PIPELINE_TASK_FANOUT,
+  QUEUE_HANDLE_PIPELINE_TASK_LOG_EVENT,
+  ROUTE_PIPELINE_TASK_LOG,
+} from './pipeline-tasks.constants';
+
+@Injectable()
+export class PipelineTaskLogger implements OnModuleDestroy {
+  private readonly messageSubject = new Subject<PipelineTaskEvent>();
+  private readonly message$: Observable<PipelineTaskEvent> = this.messageSubject.pipe();
+  @RabbitSubscribe({
+    exchange: EXCHANGE_PIPELINE_TASK_FANOUT,
+    routingKey: ROUTE_PIPELINE_TASK_LOG,
+    queue: QUEUE_HANDLE_PIPELINE_TASK_LOG_EVENT,
+  })
+  async handleEvent(message: PipelineTaskEvent) {
+    this.messageSubject.next(message);
+  }
+
+  getMessage$(taskId: string) {
+    return this.message$.pipe(
+      tap((val) => console.log(val)),
+      filter((event) => event.taskId === taskId),
+    );
+  }
+
+  onModuleDestroy() {
+    this.messageSubject.complete();
+  }
+}