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feat: Added an endpoint that list all messages of a chatroom
[demos/kafka/chat]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
chat
/
backend
/
api
/
ChatBackendController.java
diff --git
a/src/main/java/de/juplo/kafka/chat/backend/api/ChatBackendController.java
b/src/main/java/de/juplo/kafka/chat/backend/api/ChatBackendController.java
index
4aaf4f5
..
12f8d67
100644
(file)
--- a/
src/main/java/de/juplo/kafka/chat/backend/api/ChatBackendController.java
+++ b/
src/main/java/de/juplo/kafka/chat/backend/api/ChatBackendController.java
@@
-5,6
+5,7
@@
import de.juplo.kafka.chat.backend.domain.Chatroom;
import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
import lombok.RequiredArgsConstructor;
import org.springframework.http.MediaType;
import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
import lombok.RequiredArgsConstructor;
import org.springframework.http.MediaType;
+import org.springframework.http.codec.ServerSentEvent;
import org.springframework.web.bind.annotation.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.web.bind.annotation.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@@
-37,6
+38,17
@@
public class ChatBackendController
return chatHome.list().map(chatroom -> ChatroomTo.from(chatroom));
}
return chatHome.list().map(chatroom -> ChatroomTo.from(chatroom));
}
+ @GetMapping("list/{chatroomId}")
+ public Flux<MessageTo> list(@PathVariable UUID chatroomId)
+ {
+ return chatHome
+ .getChatroom(chatroomId)
+ .map(chatroom -> chatroom
+ .getMessages()
+ .map(MessageTo::from))
+ .get();
+ }
+
@GetMapping("get/{chatroomId}")
public Optional<ChatroomTo> get(@PathVariable UUID chatroomId)
{
@GetMapping("get/{chatroomId}")
public Optional<ChatroomTo> get(@PathVariable UUID chatroomId)
{
@@
-98,10
+110,8
@@
public class ChatBackendController
.map(message -> MessageTo.from(message));
}
.map(message -> MessageTo.from(message));
}
- @GetMapping(
- path = "listen/{chatroomId}",
- produces = MediaType.TEXT_EVENT_STREAM_VALUE)
- public Flux<MessageTo> listen(@PathVariable UUID chatroomId)
+ @GetMapping(path = "listen/{chatroomId}")
+ public Flux<ServerSentEvent<MessageTo>> listen(@PathVariable UUID chatroomId)
{
return chatHome
.getChatroom(chatroomId)
{
return chatHome
.getChatroom(chatroomId)
@@
-109,12
+119,18
@@
public class ChatBackendController
.orElseThrow(() -> new UnknownChatroomException(chatroomId));
}
.orElseThrow(() -> new UnknownChatroomException(chatroomId));
}
- private Flux<
MessageTo
> listen(Chatroom chatroom)
+ private Flux<
ServerSentEvent<MessageTo>
> listen(Chatroom chatroom)
{
return chatroom
.listen()
.log()
{
return chatroom
.listen()
.log()
- .map(message -> MessageTo.from(message));
+ .map(message -> MessageTo.from(message))
+ .map(messageTo ->
+ ServerSentEvent
+ .builder(messageTo)
+ .id(messageTo.getSerial().toString())
+ .event("message")
+ .build());
}
@PostMapping("/store")
}
@PostMapping("/store")