43 lines
1.0 KiB
TypeScript
43 lines
1.0 KiB
TypeScript
import { FetchCCRatesSucceeded, RatesAction, CCResponse } from 'actions/rates';
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import { TypeKeys } from 'actions/rates/constants';
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// SYMBOL -> PRICE TO BUY 1 ETH
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export interface State {
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rates: { [symbol: string]: CCResponse['rates'] };
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ratesError?: string | null;
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}
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export const INITIAL_STATE: State = {
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rates: {},
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ratesError: null
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};
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function fetchCCRatesSucceeded(state: State, action: FetchCCRatesSucceeded): State {
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return {
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...state,
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rates: {
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...state.rates,
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...action.payload
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}
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};
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}
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function fetchCCRatesFailed(state: State): State {
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// TODO: Make library for error messages
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return {
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...state,
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ratesError: 'Sorry. We were unable to fetch equivalent rates.'
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};
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}
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export function rates(state: State = INITIAL_STATE, action: RatesAction): State {
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switch (action.type) {
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case TypeKeys.RATES_FETCH_CC_SUCCEEDED:
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return fetchCCRatesSucceeded(state, action);
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case TypeKeys.RATES_FETCH_CC_FAILED:
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return fetchCCRatesFailed(state);
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default:
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return state;
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}
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}
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