comments implement

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vadim committed 2026-10-01 12:02:03 +03:00
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import { Injectable } from '@nestjs/common';
import { Observable, Subject } from 'rxjs';
import { CommentDto } from '../dto/comment.dto.js';
export type CommentEventType = 'comment.created' | 'comment.updated' | 'comment.deleted';
export interface CommentEvent {
type: CommentEventType;
comment: CommentDto;
}
/**
* In-process шина событий comment-модуля для SSE-подписчиков
* (по аналогии с IssueEventsService). Работает в пределах одного
* инстанса приложения — для нескольких инстансов понадобится Redis pub/sub.
*/
@Injectable()
export class CommentEventsService {
private readonly events$ = new Subject<CommentEvent>();
emit(type: CommentEventType, comment: CommentDto): void {
this.events$.next({ type, comment });
}
onEvents(): Observable<CommentEvent> {
return this.events$.asObservable();
}
}