from typing import Union
from pydantic import BaseModel

class Photo(BaseModel):
    id: str
    album: str
    hash: str
    filename: str

class Video(BaseModel):
    id: str
    album: str
    hash: str
    filename: str

class Album(BaseModel):
    id: str
    name: str
    title: str

class AlbumModified(BaseModel):
    name: str
    title: str

class SearchResults(BaseModel):
    results: list
    next_page: Union[str, None] = None