package de.juplo.kafka.chat.backend.api;
-import de.juplo.kafka.chat.backend.domain.ChatHome;
-import de.juplo.kafka.chat.backend.domain.ChatRoom;
-import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
-import lombok.RequiredArgsConstructor;
+import de.juplo.kafka.chat.backend.ChatBackendProperties;
+import de.juplo.kafka.chat.backend.domain.ChatHomeService;
+import de.juplo.kafka.chat.backend.domain.ChatRoomData;
+import de.juplo.kafka.chat.backend.implementation.StorageStrategy;
import org.springframework.http.codec.ServerSentEvent;
import org.springframework.web.bind.annotation.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.util.UUID;
+import java.util.logging.Level;
@RestController
-@RequiredArgsConstructor
public class ChatBackendController
{
- private final ChatHome chatHome;
+ private final ChatHomeService chatHomeService;
private final StorageStrategy storageStrategy;
+ private final String loggingCategory = ChatBackendController.class.getSimpleName();
+ private final Level loggingLevel;
+ private final boolean showOperatorLine;
+
+
+ public ChatBackendController(
+ ChatHomeService chatHomeService,
+ StorageStrategy storageStrategy,
+ ChatBackendProperties properties)
+ {
+ this.chatHomeService = chatHomeService;
+ this.storageStrategy = storageStrategy;
+ this.loggingLevel = properties.getProjectreactor().getLoggingLevel();
+ this.showOperatorLine = properties.getProjectreactor().isShowOperatorLine();
+ }
@PostMapping("create")
- public Mono<ChatRoomTo> create(@RequestBody String name)
+ public Mono<ChatRoomInfoTo> create(@RequestBody String name)
{
- return chatHome.createChatroom(name).map(ChatRoomTo::from);
+ UUID chatRoomId = UUID.randomUUID();
+ return chatHomeService
+ .createChatRoom(chatRoomId, name)
+ .map(ChatRoomInfoTo::from);
}
@GetMapping("list")
- public Flux<ChatRoomTo> list()
+ public Flux<ChatRoomInfoTo> list()
{
- return chatHome.list().map(chatroom -> ChatRoomTo.from(chatroom));
+ return chatHomeService
+ .getChatRoomInfo()
+ .map(chatroomInfo -> ChatRoomInfoTo.from(chatroomInfo));
}
- @GetMapping("list/{chatroomId}")
- public Flux<MessageTo> list(@PathVariable UUID chatroomId)
+ @GetMapping("{chatRoomId}/list")
+ public Flux<MessageTo> list(@PathVariable UUID chatRoomId)
{
- return chatHome
- .getChatroom(chatroomId)
- .flatMapMany(chatroom -> chatroom
+ return chatHomeService
+ .getChatRoomData(chatRoomId)
+ .flatMapMany(chatRoomData -> chatRoomData
.getMessages()
.map(MessageTo::from));
}
- @GetMapping("get/{chatroomId}")
- public Mono<ChatRoomTo> get(@PathVariable UUID chatroomId)
+ @GetMapping("{chatRoomId}")
+ public Mono<ChatRoomInfoTo> get(@PathVariable UUID chatRoomId)
{
- return chatHome.getChatroom(chatroomId).map(chatroom -> ChatRoomTo.from(chatroom));
+ return chatHomeService
+ .getChatRoomInfo(chatRoomId)
+ .map(chatRoomInfo -> ChatRoomInfoTo.from(chatRoomInfo));
}
- @PutMapping("put/{chatroomId}/{username}/{messageId}")
+ @PutMapping("{chatRoomId}/{username}/{messageId}")
public Mono<MessageTo> put(
- @PathVariable UUID chatroomId,
+ @PathVariable UUID chatRoomId,
@PathVariable String username,
@PathVariable Long messageId,
@RequestBody String text)
{
return
- chatHome
- .getChatroom(chatroomId)
- .flatMap(chatroom -> put(chatroom, username, messageId, text));
+ chatHomeService
+ .getChatRoomData(chatRoomId)
+ .flatMap(chatRoomData -> put(chatRoomData, username, messageId, text));
}
- public Mono<MessageTo> put(
- ChatRoom chatroom,
+ private Mono<MessageTo> put(
+ ChatRoomData chatRoomData,
String username,
Long messageId,
String text)
{
return
- chatroom
+ chatRoomData
.addMessage(
messageId,
username,
text)
- .switchIfEmpty(chatroom.getMessage(username, messageId))
.map(message -> MessageTo.from(message));
}
- @GetMapping("get/{chatroomId}/{username}/{messageId}")
+ @GetMapping("{chatRoomId}/{username}/{messageId}")
public Mono<MessageTo> get(
- @PathVariable UUID chatroomId,
+ @PathVariable UUID chatRoomId,
@PathVariable String username,
@PathVariable Long messageId)
{
return
- chatHome
- .getChatroom(chatroomId)
- .flatMap(chatroom -> get(chatroom, username, messageId));
+ chatHomeService
+ .getChatRoomData(chatRoomId)
+ .flatMap(chatRoomData -> get(chatRoomData, username, messageId));
}
private Mono<MessageTo> get(
- ChatRoom chatroom,
+ ChatRoomData chatRoomData,
String username,
Long messageId)
{
return
- chatroom
+ chatRoomData
.getMessage(username, messageId)
.map(message -> MessageTo.from(message));
}
- @GetMapping(path = "listen/{chatroomId}")
- public Flux<ServerSentEvent<MessageTo>> listen(@PathVariable UUID chatroomId)
+ @GetMapping(path = "{chatRoomId}/listen")
+ public Flux<ServerSentEvent<MessageTo>> listen(@PathVariable UUID chatRoomId)
{
- return chatHome
- .getChatroom(chatroomId)
- .flatMapMany(chatroom -> listen(chatroom));
+ return chatHomeService
+ .getChatRoomData(chatRoomId)
+ .flatMapMany(chatRoomData -> listen(chatRoomData));
}
- private Flux<ServerSentEvent<MessageTo>> listen(ChatRoom chatroom)
+ private Flux<ServerSentEvent<MessageTo>> listen(ChatRoomData chatRoomData)
{
- return chatroom
+ return chatRoomData
.listen()
- .log()
+ .log(
+ loggingCategory,
+ loggingLevel,
+ showOperatorLine)
.map(message -> MessageTo.from(message))
.map(messageTo ->
ServerSentEvent
.build());
}
+ @GetMapping("/shards")
+ public Mono<String[]> getShardOwners()
+ {
+ return chatHomeService.getShardOwners();
+ }
+
@PostMapping("/store")
public void store()
{
- storageStrategy.writeChatrooms(chatHome.list());
+ storageStrategy
+ .write(chatHomeService)
+ .subscribe();
}
}