refactor: Pushed sharding one layer down in the architecture

[demos/kafka/chat] / src / main / java / de / juplo / kafka / chat / backend / domain / ChatHome.java

diff --git a/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java b/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java
index 6091c0c..557cf75 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java
@@ -1,14 +1,29 @@
 package de.juplo.kafka.chat.backend.domain;
 
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
-import java.util.UUID;
+import java.util.*;
 
 
-public interface ChatHome
+@RequiredArgsConstructor
+@Slf4j
+public class ChatHome
 {
-  Mono<ChatRoom> getChatRoom(UUID id);
+  private final ChatHomeService service;
 
-  Flux<ChatRoom> getChatRooms();
+
+  public Mono<ChatRoom> getChatRoom(UUID id)
+  {
+    return service
+        .getChatRoom(id)
+        .switchIfEmpty(Mono.error(() -> new UnknownChatroomException(id)));
+  }
+
+  public Flux<ChatRoom> getChatRooms()
+  {
+    return service.getChatRooms();
+  }
 }