routers.py

from asyncio import gather
from fastapi import APIRouter, Path, Query
from converter import sync_converter, async_converter
from schemas import ConverterInput, ConverterOutput

router = APIRouter(prefix='/converter')

@router.get('/{from_currency}')
def converter(from_currency: str, to_currencies: str, value: float):
    to_currencies = to_currencies.split(',')

    result = []

    for currency in to_currencies:
        response = sync_converter(
            from_currency=from_currency,
            to_currency=currency,
            value=value
        )

        result.append(response)

    return result

@router.get('/async/{from_currency}')
async def async_converter_router(
        from_currency: str = Path(max_length=3, regex='^[A-Z]{3}$'),
        to_currencies: str = Query(max_length=50, regex='^[A-Z]{3}(,[A-Z]{3})*$'),
        value: float = Query(gt=0)
):
    to_currencies = to_currencies.split(',')

    coroutines = []

    for currency in to_currencies:
        coro = async_converter(
            from_currency=from_currency,
            to_currency=currency,
            value=value
        )

        coroutines.append(coro)

    result = await gather(*coroutines)
    return result

@router.get('/async/v2/{from_currency}', response_model=ConverterOutput)
async def async_converter_router(
        body: ConverterInput,
        from_currency: str = Path(max_length=3, regex='^[A-Z]{3}$'),
):
    to_currencies = body.to_currencies
    value = body.value

    coroutines = []

    for currency in to_currencies:
        coro = async_converter(
            from_currency=from_currency,
            to_currency=currency,
            value=value
        )

        coroutines.append(coro)

    result = await gather(*coroutines)

    return ConverterOutput(
        message='success',
        data=result
    )