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app.js
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/*
*
* Make.org Front Runner
* Copyright (C) 2018 Make.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const promBundle = require('express-prom-bundle');
const indexRouter = require('./routes/index');
const fs = require('fs');
const compression = require('compression');
const app = express();
app.use(compression());
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(promBundle({ includeMethod: true }));
app.use('/version', (req, res) => {
const data = fs.readFileSync(path.join(`${__dirname}/front/version`), 'utf8');
res.header('Content-Type', 'application/json');
res.json(JSON.parse(data));
});
app.use(express.static(path.join(__dirname, 'front'), { index: false }));
app.use('/', indexRouter);
// catch 404 and forward to home page
app.use((req, res) => {
res.redirect(`/#${req.originalUrl}`);
});
// catch 404 and forward to error handler
app.use((req, res, next) => {
next(createError(404));
});
// error handler
app.use((err, req, res) => {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
// render the error page
res.status(err.status || 500);
res.render('error');
});
module.exports = app;