87 lines
2.2 KiB
JavaScript
87 lines
2.2 KiB
JavaScript
import { Observable } from 'rx';
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import { combineEpics, ofType } from 'redux-epic';
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import debug from 'debug';
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import {
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types,
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createErrorObservable,
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delayedRedirect,
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fetchChallengeCompleted,
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fetchChallengesCompleted,
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langSelector
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} from './';
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import { shapeChallenges } from './utils';
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const isDev = debug.enabled('fcc:*');
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export function fetchChallengeEpic(actions, { getState }, { services }) {
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return actions::ofType('' + types.fetchChallenge)
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.flatMap(({ payload: { dashedName, block } }) => {
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const lang = langSelector(getState());
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const options = {
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service: 'map',
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params: { block, dashedName, lang }
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};
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return services.readService$(options)
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.retry(3)
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.map(({ entities, ...rest }) => ({
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entities: shapeChallenges(entities, isDev),
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...rest
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}))
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.flatMap(({ entities, result, redirect } = {}) => {
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const actions = [
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fetchChallengeCompleted({
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entities,
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currentChallenge: result.challenge,
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challenge: entities.challenge[result.challenge],
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result
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}),
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redirect ? delayedRedirect(redirect) : null
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];
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return Observable.from(actions).filter(Boolean);
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})
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.catch(createErrorObservable);
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});
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}
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export function fetchChallengesEpic(
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actions,
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{ getState },
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{ services }
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) {
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return actions::ofType(
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// async type
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'' + types.fetchChallenges,
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types.appMounted
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)
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.flatMapLatest(() => {
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const lang = langSelector(getState());
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const options = {
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lang,
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service: 'map'
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};
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return services.readService$(options)
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.retry(3)
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.map(({ entities, ...res }) => ({
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entities: shapeChallenges(
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entities,
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isDev
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),
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...res
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}))
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.map(({ entities, result } = {}) => {
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return fetchChallengesCompleted(
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entities,
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result
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);
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})
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.startWith({ type: types.fetchChallenges.start })
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.catch(createErrorObservable);
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});
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}
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export default combineEpics(fetchChallengeEpic, fetchChallengesEpic);
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