95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
import React from 'react';
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import { renderToString } from 'react-dom/server';
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import { createStore, applyMiddleware } from 'redux';
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import { Provider } from 'react-redux';
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import { StaticRouter } from 'react-router-dom';
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import renderFullPage from '../renderFullPage';
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import createSagaMiddleware from 'redux-saga';
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import { call } from 'redux-saga/effects';
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import Helmet from 'react-helmet';
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import * as httpContext from 'express-http-context';
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import Reducers from '@reducers';
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import GAListener from '@components/GAListener';
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import App from '@app';
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import Sagas from '@sagas';
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import Actions from '@actions';
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const returnSagaWithParams = (saga, params) => {
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return function * () {
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yield call(saga, params);
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};
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};
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module.exports = (req, res) => {
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let context = {};
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const {
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action = false,
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saga = false,
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} = httpContext.get('routeData');
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const runSaga = (action !== false && saga !== false);
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const renderPage = (store) => {
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// Workaround, remove when a solution for async httpContext exists
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const showState = store.getState().show;
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const assetKeys = Object.keys(showState.assetList);
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if(assetKeys.length !== 0) {
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res.claimId = showState.assetList[assetKeys[0]].claimId;
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} else {
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const channelKeys = Object.keys(showState.channelList);
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res.claimId = showState.channelList[channelKeys[0]].longId;
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res.isChannel = true;
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}
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// render component to a string
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const html = renderToString(
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<Provider store={store}>
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<StaticRouter location={req.url} context={context}>
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<GAListener>
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<App />
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</GAListener>
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</StaticRouter>
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</Provider>
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);
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// get head tags from helmet
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const helmet = Helmet.renderStatic();
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// check for a redirect
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if (context.url) {
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return res.redirect(301, context.url);
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}
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// get the initial state from our Redux store
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const preloadedState = store.getState();
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// send the rendered page back to the client
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res.send(renderFullPage(helmet, html, preloadedState));
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};
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if (runSaga) {
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// create and apply middleware
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const sagaMiddleware = createSagaMiddleware();
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const middleware = applyMiddleware(sagaMiddleware);
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// create a new Redux store instance
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const store = createStore(Reducers, middleware);
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// create an action to handle the given url,
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// and create a the saga needed to handle that action
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const boundAction = action(req.params, req.url);
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const boundSaga = returnSagaWithParams(saga, boundAction);
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// run the saga middleware with the saga call
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sagaMiddleware
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.run(boundSaga)
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.done
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.then(() => renderPage(store) );
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} else {
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const store = createStore(Reducers);
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renderPage(store);
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}
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};
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