64 lines
1.9 KiB
TypeScript
64 lines
1.9 KiB
TypeScript
import { delay, SagaIterator } from 'redux-saga';
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import {
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call,
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cancel,
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fork,
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put,
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take,
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takeLatest,
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takeEvery,
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select
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} from 'redux-saga/effects';
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import { NODES } from 'config/data';
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import { getNodeConfig } from 'selectors/config';
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import { AppState } from 'reducers';
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import { TypeKeys } from 'actions/config/constants';
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import { toggleOfflineConfig, changeNode } from 'actions/config';
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import { State as ConfigState } from 'reducers/config';
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export const getConfig = (state: AppState): ConfigState => state.config;
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export function* pollOfflineStatus(): SagaIterator {
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while (true) {
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const offline = !navigator.onLine;
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const config = yield select(getConfig);
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const offlineState = config.offline;
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if (offline !== offlineState) {
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yield put(toggleOfflineConfig());
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}
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yield call(delay, 250);
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}
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}
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// Fork our recurring API call, watch for the need to cancel.
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function* handlePollOfflineStatus(): SagaIterator {
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const pollOfflineStatusTask = yield fork(pollOfflineStatus);
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yield take('CONFIG_STOP_POLL_OFFLINE_STATE');
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yield cancel(pollOfflineStatusTask);
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}
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// @HACK For now we reload the app when doing a language swap to force non-connected
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// data to reload. Also the use of timeout to avoid using additional actions for now.
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function* reload(): SagaIterator {
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setTimeout(() => location.reload(), 250);
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}
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function* handleNodeChangeIntent(action): SagaIterator {
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const nodeConfig = yield select(getNodeConfig);
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const currentNetwork = nodeConfig.network;
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const actionNetwork = NODES[action.payload].network;
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yield put(changeNode(action.payload));
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if (currentNetwork !== actionNetwork) {
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yield call(reload);
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}
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}
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export default function* configSaga(): SagaIterator {
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yield takeLatest(
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TypeKeys.CONFIG_POLL_OFFLINE_STATUS,
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handlePollOfflineStatus
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);
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yield takeEvery(TypeKeys.CONFIG_NODE_CHANGE_INTENT, handleNodeChangeIntent);
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yield takeEvery(TypeKeys.CONFIG_LANGUAGE_CHANGE, reload);
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}
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