refactor: Moved business-logic from `ChatRoomService` into `ChatRoom`

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

diff --git a/src/main/java/de/juplo/kafka/chat/backend/ChatBackendConfiguration.java b/src/main/java/de/juplo/kafka/chat/backend/ChatBackendConfiguration.java
index 34036dd..05fc2cb 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/ChatBackendConfiguration.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/ChatBackendConfiguration.java
@@ -1,27 +1,49 @@
 package de.juplo.kafka.chat.backend;
 
-import de.juplo.kafka.chat.backend.domain.ChatroomFactory;
-import de.juplo.kafka.chat.backend.persistence.InMemoryChatroomFactory;
-import de.juplo.kafka.chat.backend.persistence.InMemoryPersistenceStrategy;
+import de.juplo.kafka.chat.backend.domain.ChatHome;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import de.juplo.kafka.chat.backend.domain.ChatHomeService;
+import de.juplo.kafka.chat.backend.persistence.InMemoryChatHomeService;
+import de.juplo.kafka.chat.backend.persistence.LocalJsonFilesStorageStrategy;
+import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import java.nio.file.Paths;
 import java.time.Clock;
 
 
 @Configuration
+@EnableConfigurationProperties(ChatBackendProperties.class)
 public class ChatBackendConfiguration
 {
   @Bean
-  ChatroomFactory chatroomFactory(InMemoryPersistenceStrategy persistenceStrategy)
+  public ChatHome chatHome(
+      ChatHomeService chatHomeService,
+      StorageStrategy storageStrategy)
   {
-    return new InMemoryChatroomFactory(persistenceStrategy);
+    return new ChatHome(chatHomeService, storageStrategy.readChatrooms());
   }
 
   @Bean
-  InMemoryPersistenceStrategy persistenceStrategy()
+  public StorageStrategy storageStrategy(
+      ChatBackendProperties properties,
+      ObjectMapper mapper,
+      InMemoryChatHomeService chatHomeService)
   {
-    return new InMemoryPersistenceStrategy();
+    return new LocalJsonFilesStorageStrategy(
+        Paths.get(properties.getDatadir()),
+        mapper,
+        chatHomeService);
+  }
+
+  @Bean
+  InMemoryChatHomeService chatHomeService(
+      Clock clock,
+      ChatBackendProperties properties)
+  {
+    return new InMemoryChatHomeService(clock, properties.getChatroomBufferSize());
   }
 
   @Bean