from datetime import timezone, datetime
from typing import TYPE_CHECKING
from pydantic import AwareDatetime
from sqlalchemy_utc import UtcDateTime
from sqlmodel import SQLModel, Field, Relationship, Text, JSON, func  # ②
from sqlalchemy.dialects.postgresql import JSONB  # ①

if TYPE_CHECKING:
    from appserver.apps.account.models import User

class Calendar(SQLModel, table=True):
    # 생략

    topics: list[str] = Field(
        sa_type=JSON().with_variant(JSONB(astext_type=Text()), "postgresql"),
        description="게스트와 나눌 주제들"
    )