29 lines
976 B
JavaScript
29 lines
976 B
JavaScript
// @flow
|
|
import { put, call, takeLatest } from 'redux-saga/effects';
|
|
import { handleJSONResponse } from 'api/utils';
|
|
import { fiatSucceededRates } from 'actions/rates';
|
|
import type { Yield, Return, Next } from 'sagas/types';
|
|
|
|
const symbols = ['USD', 'EUR', 'GBP', 'BTC', 'CHF', 'REP'];
|
|
const symbolsURL = symbols.join(',');
|
|
// TODO - internationalize
|
|
const ERROR_MESSAGE = 'Could not fetch rate data.';
|
|
|
|
const fetchRates = () =>
|
|
fetch(
|
|
`https://min-api.cryptocompare.com/data/price?fsym=ETH&tsyms=${symbolsURL}`
|
|
).then(response => handleJSONResponse(response, ERROR_MESSAGE));
|
|
|
|
export function* handleRatesRequest(): Generator<Yield, Return, Next> {
|
|
try {
|
|
const rates = yield call(fetchRates);
|
|
yield put(fiatSucceededRates(rates));
|
|
} catch (error) {
|
|
yield put({ type: 'RATES_FIAT_FAILED', payload: error });
|
|
}
|
|
}
|
|
|
|
export default function* ratesSaga(): Generator<Yield, Return, Next> {
|
|
yield takeLatest('RATES_FIAT_REQUESTED', handleRatesRequest);
|
|
}
|