from pydantic import BaseModel
from typing import List, Optional
from .message import MessageResponse

class ConversationResponse(BaseModel):
    id: int
    user_id_1: int
    user_id_2: int
    other_user_display_name: str
    other_user_id: int
    other_user_photo: Optional[str] = None
    latest_message: str = ""
    unread_count: int = 0
    created_at: str