From 58f546c85c496a56f99478e7d230e9c92b9e312f Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Fri, 18 Aug 2023 16:12:29 +0200
Subject: [PATCH] NG

---
 .../persistence/kafka/ChatRoomChannel.java    | 87 -------------------
 .../kafka/KafkaServicesApplicationRunner.java | 10 ---
 2 files changed, 97 deletions(-)
 delete mode 100644 src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
deleted file mode 100644
index 5d3f8626..00000000
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
+++ /dev/null
@@ -1,87 +0,0 @@
-package de.juplo.kafka.chat.backend.persistence.kafka;
-
-import de.juplo.kafka.chat.backend.domain.*;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.Consumer;
-import org.apache.kafka.clients.consumer.ConsumerRecord;
-import org.apache.kafka.clients.consumer.ConsumerRecords;
-import org.apache.kafka.clients.producer.Producer;
-import org.apache.kafka.clients.producer.ProducerRecord;
-import org.apache.kafka.common.TopicPartition;
-import org.apache.kafka.common.errors.WakeupException;
-import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
-
-import java.time.*;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
-import java.util.stream.IntStream;
-
-
-@RequiredArgsConstructor
-@Slf4j
-public class ChatRoomChannel implements Runnable
-{
-  private final String topic;
-  private final Consumer<String, AbstractTo> consumer;
-  private final Map<UUID, ChatRoom> chatrooms = new HashMap<>();
-
-  private boolean running;
-
-
-  @Override
-  public void run()
-  {
-    consumer.assign(List.of(new TopicPartition(topic, 0)));
-
-    running = true;
-
-    while (running)
-    {
-      try
-      {
-        ConsumerRecords<String, AbstractTo> records = consumer.poll(Duration.ofMinutes(5));
-        log.info("Fetched {} messages", records.count());
-
-        for (ConsumerRecord<String, AbstractTo> record : records)
-        {
-          switch (record.value().getType())
-          {
-            case CHATROOM_INFO:
-              createChatRoom((ChatRoomInfoTo) record.value());
-              break;
-
-            default:
-              log.debug(
-                  "Ignoring message for key {} with offset {}: {}",
-                  record.key(),
-                  record.offset(),
-                  record.value());
-          }
-        }
-      }
-      catch (WakeupException e)
-      {
-        log.info("Received WakeupException, exiting!");
-        running = false;
-      }
-    }
-
-    log.info("Exiting normally");
-  }
-
-
-  void createChatRoom(ChatRoomInfoTo chatRoomInfoTo)
-  {
-    ChatRoomInfo chatRoomInfo = chatRoomInfoTo.toChatRoomInfo();
-    chatrooms.put(chatRoomInfo.getId(), chatRoomInfo);
-  }
-
-  Flux<ChatRoom> getChatRooms()
-  {
-    return Flux.fromIterable(chatrooms.values());
-  }
-}
diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesApplicationRunner.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesApplicationRunner.java
index 8a9e32ed..d0166c56 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesApplicationRunner.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesApplicationRunner.java
@@ -27,8 +27,6 @@ public class KafkaServicesApplicationRunner implements ApplicationRunner
   @Autowired
   ConfigurableApplicationContext context;
 
-  @Autowired
-  ChatRoomChannel chatRoomChannel;
   @Autowired
   Consumer<Integer, CreateChatRoomRequestTo> chatRoomChannelConsumer;
   @Autowired
@@ -43,14 +41,6 @@ public class KafkaServicesApplicationRunner implements ApplicationRunner
   @Override
   public void run(ApplicationArguments args) throws Exception
   {
-    log.info("Starting the consumer for the ChatRoomChannel");
-    chatRoomChannelConsumerJob = taskExecutor
-        .submitCompletable(chatRoomChannel)
-        .exceptionally(e ->
-        {
-          log.error("The consumer for the ChatRoomChannel exited abnormally!", e);
-          return null;
-        });
     log.info("Starting the consumer for the ChatMessageChannel");
     chatMessageChannelConsumerJob = taskExecutor
         .submitCompletable(chatMessageChannel)
-- 
2.20.1