from datetime import datetime
from pydantic import BaseModel


class PaginationParams(BaseModel):
    page: int = 1
    per_page: int = 25


class PaginatedResponse(BaseModel):
    total: int
    page: int
    per_page: int
    pages: int


class TimeRangeParams(BaseModel):
    since: datetime | None = None
    until: datetime | None = None