feat: 프로필 이미지 url 추가

Author: yu-heejin

app/crud/chat.py

@@ -4,12 +4,31 @@
 from app.models.chat_room import ChatRoom
 from app.models.create_chat_message_request import CreateChatMessageRequest
 from app.models.create_chat_room_request import CreateChatRoomRequest
+from app.crud.s3_bucket import get_class_image
 
 def find_chat_messages(chat_room_id: int):
     with connect_database() as db:
         messages = db.query(ChatMessage).filter(ChatMessage.chat_room_id == chat_room_id).all()
+        room = db.query(ChatRoom).filter(ChatRoom.id == chat_room_id).first()
+
+    # 채팅방 이름을 기반으로 이미지 URL 생성
+    image_url = get_class_image(room.name) if room else None
+
+    # 각 메시지에 이미지 URL 추가
+    result = []
+    for message in messages:
+        message_dict = {
+            "id": message.id,
+            "chat_room_id": message.chat_room_id,
+            "user_id": message.user_id,
+            "contents": message.contents,
+            "created_at": message.created_at,
+            "updated_at": message.updated_at,
+            "image": image_url if message.user_id == None else None
+        }
+        result.append(message_dict)
 
-    return messages
+    return result
 
 def insert_chat_message(chat_room_id: int, request: CreateChatMessageRequest):
     message = ChatMessage(