1 package de.juplo.kafka.chat.backend.storage.mongodb;
3 import de.juplo.kafka.chat.backend.domain.ChatRoomInfo;
4 import de.juplo.kafka.chat.backend.domain.Message;
5 import de.juplo.kafka.chat.backend.implementation.ShardingStrategy;
6 import de.juplo.kafka.chat.backend.implementation.StorageStrategy;
7 import lombok.RequiredArgsConstructor;
8 import lombok.extern.slf4j.Slf4j;
9 import reactor.core.publisher.Flux;
11 import java.util.UUID;
14 @RequiredArgsConstructor
16 public class MongoDbStorageStrategy implements StorageStrategy
18 private final ChatRoomRepository chatRoomRepository;
19 private final MessageRepository messageRepository;
20 private final ShardingStrategy shardingStrategy;
24 public void writeChatRoomInfo(Flux<ChatRoomInfo> chatRoomInfoFlux)
27 .map(ChatRoomTo::from)
28 .flatMap(chatroomTo -> chatRoomRepository.save(chatroomTo));
32 public Flux<ChatRoomInfo> readChatRoomInfo()
34 return chatRoomRepository.findAll()
37 UUID chatRoomId = UUID.fromString(chatRoomTo.getId());
38 return new ChatRoomInfo(chatRoomId, chatRoomTo.getName(), null);
43 public void writeChatRoomData(UUID chatRoomId, Flux<Message> messageFlux)
46 .map(message -> MessageTo.from(chatRoomId, message))
47 .flatMap(messageTo -> messageRepository.save(messageTo))
52 public Flux<Message> readChatRoomData(UUID chatRoomId)
54 return messageRepository.findByChatRoomIdOrderBySerialAsc(chatRoomId.toString())
55 .map(messageTo -> messageTo.toMessage());