app.js

const express= require('express');
const mongoose= require("mongoose");
const bodyParser= require('body-parser');
const upload= require('express-fileupload');
const path= require('path');
const methodOverride= require('method-override');
const session= require('express-session');
const flash= require('connect-flash');
const passport = require('passport');
const LocalStrategy = require('passport-local').Strategy;

const auth= require('./routes/api/auth');
const posts= require('./routes/api/posts');
const profile= require('./routes/api/profile');
const users= require('./routes/api/users');

const app= express();
const PORT= process.env.PORT || 8000;


//mongoose-driver
mongoose.Promise= global.Promise;
mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost:27017/devconnector',{ useNewUrlParser: true, useFindAndModify: false, useCreateIndex: true }).then((db)=> {
    console.log('MONGO connected');
}).catch((error)=> {
    console.log("error");
})

//
//app.use(express.static(path.join(__dirname, 'public')));


// ... other app.use middleware 
app.use(express.static(path.join(__dirname, "client", "build")))


//
////upload-middleware
//app.use(upload());                              


//body-parser
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended:true}));


//
////method-override
//app.use(methodOverride('_method'));



//session-middleware
app.set('trust proxy', 1) // trust first proxy
app.use(session({
  secret: 'deepakkumrawat8@gmail.com',
  resave: true,
  saveUninitialized: true
}))



//flash-middleware
app.use(flash());
app.use((req,res,next)=> {
//    res.locals.user= req.user || null;
//    res.locals.success_message=req.flash('success_message');
    res.locals.error=req.flash('error');
    res.locals.success=req.flash('success');
    next();
});


//passport.js-middleware
//resposible for req.user and req.isAuthenticated()
app.use(passport.initialize());
app.use(passport.session());



app.use('/users',users);
app.use('/auth',auth);
app.use('/posts',posts);
app.use('/profiles',profile);


// Right before your app.listen(), add this:
app.get("*", (req, res) => {
    res.sendFile(path.join(__dirname, "client", "build", "index.html"));
});


app.listen(PORT, ()=> {
    console.log(`Server started on port ${PORT}`);
})