generateur_v3/backend/api/services/models.py

from __future__ import annotations

from math import ceil
from typing import TypeVar, Generic, Sequence

from fastapi_pagination import Params
from fastapi_pagination.bases import AbstractParams, BasePage
from pydantic import conint

T = TypeVar("T")

class Page(BasePage[T], Generic[T]):
    page: conint(ge=1)  # type: ignore
    size: conint(ge=1)
    totalPage: conint(ge=0)
    hasMore: bool
    

    __params_type__ = Params  # Set params related to Page

    @classmethod
    def create(
            cls,
            items: Sequence[T],
            total: int,
            params: AbstractParams,
    ) -> Page[T]:
        
        totalPage = ceil(total/params.size)
        return cls(
            total=total,
            items=items,
            page=params.page,
            size=params.size,
            totalPage = totalPage,
            hasMore= params.page < totalPage
        )
        return {
            "items": items,
            "total": total,
            "size": params,
        } 
        return cls(results=items)