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index.js
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const express = require('express');
const logger = require('morgan');
const bodyParser = require('body-parser');
const mongoose = require('mongoose');
// get all api route
const api = require('./src/routes/index');
const config = require('./config');
// Set up the express app
const app = express();
//connect db cloud.mongodb.com
mongoose.connect(
`mongodb+srv://admin:${config.MONGODB_ATLAS_PW}@cluster0-ia7f4.mongodb.net/test?retryWrites=true`,
{
useNewUrlParser: true,
}
);
// Log requests to the console.
app.use(logger('dev'));
//setup bodyParser
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use('/api', api);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handler
app.use(function(err, req, res, next) {
// 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');
});
app.use((req, res, next)=>{
res.header('Access-Control-Allow-Origin', '*');
res.header(
'Access-Control-Allow-Headers',
'Origin, X-Requested-With,Content-Type, Accept,Authorization'
);
if(req.method=== 'OPTIONS'){
res.header(
'Access-Control-Allow-Methods',
'PUT, POST, PATCH, DELETE, GET'
)
return res.status(200).json({});
}
next();
});
app.use((req, res,next)=>{
const error = new Error('Not Found');
error.status=404;
next(error);
});
app.use((error, req, res, next)=>{
res.status(error.status || 500);
res.json({
error:{
message:error.message
}
});
});
module.exports = app;