chat endpoints

src/main/java/com/bernd/ChatController.java

@@ -0,0 +1,38 @@
+package com.bernd;
+
+import com.bernd.model.Chat;
+import com.bernd.model.ChatMessage;
+import com.bernd.model.ChatRequest;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Objects;
+
+@Controller
+public class ChatController {
+
+    final Chats chats;
+
+    ChatController(Chats chats) {
+        this.chats = chats;
+    }
+
+    @ResponseBody
+    @GetMapping("/api/chat/{id}")
+    public Chat getChat(@PathVariable String id) {
+        return chats.get(id);
+    }
+
+    @ResponseBody
+    @PostMapping("/api/send_chat")
+    public ResponseEntity<?> sendChat(@RequestBody ChatRequest chatRequest) {
+        Object principal = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        String user = Objects.toString(principal);
+        chats.put(new Chat(chatRequest.gameId(), new ChatMessage(chatRequest.message(), user)));
+        return ResponseEntity.ok().build();
+    }
+
+}

src/main/java/com/bernd/Chats.java

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+package com.bernd;
+
+import com.bernd.model.Chat;
+import com.bernd.model.Game;
+import org.springframework.stereotype.Component;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+@Component
+public class Chats {
+  private final Map<String, Chat> map = new LinkedHashMap<>();
+
+  Chat get(String id) {
+    return map.get(id);
+  }
+
+  Chat put(Chat chat) {
+    map.put(chat.getId(), chat);
+    return chat;
+  }
+
+  List<Chat> chats() {
+    return List.copyOf(map.values());
+  }
+}

src/main/java/com/bernd/model/Chat.java

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+package com.bernd.model;
+
+import java.util.List;
+
+public class Chat {
+
+    private String id;
+    private ChatMessage chatMessage;
+
+    public Chat(){
+    }
+
+    public Chat(String id, ChatMessage chatMessage){
+        this.id = id;
+        this.chatMessage = chatMessage;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public ChatMessage getChatMessage() {
+        return chatMessage;
+    }
+
+    public void setChatMessage(ChatMessage chatMessage) {
+        this.chatMessage = chatMessage;
+    }
+}

src/main/java/com/bernd/model/ChatMessage.java

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+package com.bernd.model;
+
+public class ChatMessage {
+
+    private String message;
+    private String userId;
+
+    public ChatMessage(String message, String userId) {
+        this.message = message;
+        this.userId = userId;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public String getUserId() {
+        return userId;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+}

src/main/java/com/bernd/model/ChatRequest.java

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+package com.bernd.model;
+
+public record ChatRequest(
+        String message,
+        String gameId) {
+}