mirror of
https://github.com/flibusta-apps/book_library_server.git
synced 2025-12-06 15:15:36 +01:00
61 lines
1.2 KiB
Python
61 lines
1.2 KiB
Python
from math import ceil
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from typing import (
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Any,
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Generic,
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Protocol,
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Sequence,
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TypeVar,
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runtime_checkable,
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)
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from fastapi_pagination import Params
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from fastapi_pagination.bases import AbstractParams, BasePage
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from fastapi_pagination.types import GreaterEqualOne, GreaterEqualZero
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import orjson
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from app.utils.orjson_default import orjson_dumps
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@runtime_checkable
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class ToDict(Protocol):
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def dict(self) -> dict:
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...
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T = TypeVar("T", ToDict, Any)
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class Page(BasePage[T], Generic[T]):
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page: GreaterEqualOne
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size: GreaterEqualOne
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total_pages: GreaterEqualZero
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__params_type__ = Params
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class Config:
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json_loads = orjson.loads
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json_dumps = orjson_dumps
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@classmethod
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def create(
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cls,
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items: Sequence[T],
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params: AbstractParams,
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*,
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total: int,
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**kwargs: Any,
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) -> "Page[T]":
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if not isinstance(params, Params):
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raise ValueError("Page should be used with Params")
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pages = ceil(total / params.size)
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return cls(
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total=total,
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items=items,
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page=params.page,
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size=params.size,
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total_pages=pages,
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**kwargs,
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)
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