import express from 'express';
import React from 'react';
import { StaticRouter } from 'react-router-dom';
import { renderToString } from 'react-dom/server';
import serialize from 'serialize-javascript';
import App from './frontend/app';
import { parseBuildingURL } from './parse';
import { getUserById } from './api/services/user';
import {
getBuildingById,
getBuildingLikeById,
getBuildingUPRNsById,
getLatestRevisionId
} from './api/services/building';
// reference packed assets
const assets = require(process.env.RAZZLE_ASSETS_MANIFEST);
function frontendRoute(req: express.Request, res: express.Response) {
const context: any = {}; // TODO: remove any
const data: any = {}; // TODO: remove any
context.status = 200;
const userId = req.session.user_id;
const buildingId = parseBuildingURL(req.url);
const isBuilding = (typeof (buildingId) !== 'undefined');
if (isBuilding && isNaN(buildingId)) {
context.status = 404;
}
Promise.all([
userId ? getUserById(userId) : undefined,
isBuilding ? getBuildingById(buildingId) : undefined,
isBuilding ? getBuildingUPRNsById(buildingId) : undefined,
(isBuilding && userId) ? getBuildingLikeById(buildingId, userId) : false,
getLatestRevisionId()
]).then(function ([user, building, uprns, buildingLike, latestRevisionId]) {
if (isBuilding && typeof (building) === 'undefined') {
context.status = 404;
}
data.user = user;
data.building = building;
data.building_like = buildingLike;
if (data.building != null) {
data.building.uprns = uprns;
}
data.latestRevisionId = latestRevisionId;
renderHTML(context, data, req, res);
}).catch(error => {
console.error(error);
data.user = undefined;
data.building = undefined;
data.building_like = undefined;
data.latestRevisionId = 0;
context.status = 500;
renderHTML(context, data, req, res);
});
}
function renderHTML(context, data, req, res) {
const markup = renderToString(
);
if (context.url) {
res.redirect(context.url);
} else {
res.status(context.status).send(
`
Colouring London
${
assets.client.css
? ``
: ''
}
${
process.env.NODE_ENV === 'production'
? ``
: ``
}
${markup}
`
);
}
}
export default frontendRoute;