from datetime import datetime from typing import Optional from pydantic import BaseModel, EmailStr, Field # Shared properties class UserBase(BaseModel): email: Optional[EmailStr] = None username: Optional[str] = None is_active: Optional[bool] = True # Properties to receive via API on creation class UserCreate(UserBase): email: EmailStr username: str password: str = Field(..., min_length=8) # Properties to receive via API on update class UserUpdate(UserBase): password: Optional[str] = Field(None, min_length=8) # Properties shared by models stored in DB class UserInDBBase(UserBase): id: int email: EmailStr username: str is_active: bool created_at: datetime updated_at: Optional[datetime] = None class Config: from_attributes = True # Properties to return via API class User(UserInDBBase): pass # Properties stored in DB but not returned class UserInDB(UserInDBBase): hashed_password: str