refactor: domain repositories (#4403)

server/src/domain/repositories/communication.repository.ts

@@ -0,0 +1,15 @@
+export const ICommunicationRepository = 'ICommunicationRepository';
+
+export enum CommunicationEvent {
+  UPLOAD_SUCCESS = 'on_upload_success',
+  ASSET_DELETE = 'on_asset_delete',
+  ASSET_TRASH = 'on_asset_trash',
+  PERSON_THUMBNAIL = 'on_person_thumbnail',
+  SERVER_VERSION = 'on_server_version',
+  CONFIG_UPDATE = 'on_config_update',
+}
+
+export interface ICommunicationRepository {
+  send(event: CommunicationEvent, userId: string, data: any): void;
+  broadcast(event: CommunicationEvent, data: any): void;
+}