refactor: Refined the creation of new `ChatRoom`s

[demos/kafka/chat] / src / main / java / de / juplo / kafka / chat / backend / persistence / storage / files / FilesStorageStrategy.java

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/storage/files/FilesStorageStrategy.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/storage/files/FilesStorageStrategy.java
index 1e3e5ee..f0ee1df 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/storage/files/FilesStorageStrategy.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/storage/files/FilesStorageStrategy.java
@@ -3,7 +3,7 @@ package de.juplo.kafka.chat.backend.persistence.storage.files;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.JavaType;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import de.juplo.kafka.chat.backend.api.ChatRoomTo;
+import de.juplo.kafka.chat.backend.api.ChatRoomInfoTo;
 import de.juplo.kafka.chat.backend.api.MessageTo;
 import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
 import de.juplo.kafka.chat.backend.domain.ChatRoom;
@@ -82,9 +82,9 @@ public class FilesStorageStrategy implements StorageStrategy
           {
             try
             {
-              ChatRoomTo chatroomTo = ChatRoomTo.from(chatroom);
-              generator.writeObject(chatroomTo);
-              writeMessages(chatroomTo, chatroom.getMessages());
+              ChatRoomInfoTo infoTo = ChatRoomInfoTo.from(chatroom);
+              generator.writeObject(infoTo);
+              writeMessages(infoTo, chatroom.getMessages());
             }
             catch (IOException e)
             {
@@ -101,28 +101,28 @@ public class FilesStorageStrategy implements StorageStrategy
   @Override
   public Flux<ChatRoom> read()
   {
-    JavaType type = mapper.getTypeFactory().constructType(ChatRoomTo.class);
+    JavaType type = mapper.getTypeFactory().constructType(ChatRoomInfoTo.class);
     return Flux
-        .from(new JsonFilePublisher<ChatRoomTo>(chatroomsPath(), mapper, type))
+        .from(new JsonFilePublisher<ChatRoomInfoTo>(chatroomsPath(), mapper, type))
         .log()
-        .map(chatRoomTo ->
+        .map(infoTo ->
         {
-          UUID chatRoomId = chatRoomTo.getId();
+          UUID chatRoomId = infoTo.getId();
           int shard = shardingStrategy.selectShard(chatRoomId);
           return new ChatRoom(
-              chatRoomTo.getId(),
-              chatRoomTo.getName(),
+              infoTo.getId(),
+              infoTo.getName(),
               shard,
               clock,
-              factory.create(readMessages(chatRoomTo)),
+              factory.create(readMessages(infoTo)),
               bufferSize);
         });
   }
 
-  public void writeMessages(ChatRoomTo chatroomTo, Flux<Message> messageFlux)
+  public void writeMessages(ChatRoomInfoTo infoTo, Flux<Message> messageFlux)
   {
-    Path path = chatroomPath(chatroomTo);
-    log.info("Writing messages for {} to {}", chatroomTo, path);
+    Path path = chatroomPath(infoTo);
+    log.info("Writing messages for {} to {}", infoTo, path);
     try
     {
       Files.createDirectories(storagePath);
@@ -177,11 +177,11 @@ public class FilesStorageStrategy implements StorageStrategy
     }
   }
 
-  public Flux<Message> readMessages(ChatRoomTo chatroomTo)
+  public Flux<Message> readMessages(ChatRoomInfoTo infoTo)
   {
     JavaType type = mapper.getTypeFactory().constructType(MessageTo.class);
     return Flux
-        .from(new JsonFilePublisher<MessageTo>(chatroomPath(chatroomTo), mapper, type))
+        .from(new JsonFilePublisher<MessageTo>(chatroomPath(infoTo), mapper, type))
         .log()
         .map(MessageTo::toMessage);
   }
@@ -191,8 +191,8 @@ public class FilesStorageStrategy implements StorageStrategy
     return storagePath.resolve(Path.of(CHATROOMS_FILENAME));
   }
 
-  Path chatroomPath(ChatRoomTo chatroomTo)
+  Path chatroomPath(ChatRoomInfoTo infoTo)
   {
-    return storagePath.resolve(Path.of(chatroomTo.getId().toString() + ".json"));
+    return storagePath.resolve(Path.of(infoTo.getId().toString() + ".json"));
   }
 }