app.js

require("dotenv").config();

const createError = require("http-errors");
const express = require("express");
const engine = require("ejs-mate");
const path = require("path");
const cookieParser = require("cookie-parser");
const bodyParser = require("body-parser");
const logger = require("morgan");
const passport = require("passport");
const User = require("./models/user");
const session = require("express-session");
const mongoose = require("mongoose");
const methodOverride = require("method-override");
// const seedPosts = require('./seeds');
// seedPosts();

// require routes
const indexRouter = require("./routes/index");
const postsRouter = require("./routes/posts");
const reviewsRouter = require("./routes/reviews");

const app = express();

// connect to database
mongoose.connect(
  "mongodb://localhost:27017/surf-shop",
  {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    useCreateIndex: true,
  },
  function () {
    console.log("we are connected to database");
  }
);

// use ejs-locals for all ejs templates:
app.engine("ejs", engine);
// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "ejs");

app.use(logger("dev"));
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));
app.use(methodOverride("_method"));

// Configure passport and sessions
app.use(
  session({
    secret: process.env.SESSION_SECRET,
    resave: false,
    saveUninitialized: true,
  })
);

app.use(passport.initialize());
app.use(passport.session());

passport.use(User.createStrategy());
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

// set local variables middleware
app.use(function (req, res, next) {
  // req.user = {
  //   '_id' : '5ec1ed3613730335b86b27af',
  //   '_id' : '5fce9189806a840164ea8f7a',
  //   '_id' : '5fcfeb37dd50382c344107a7',
  //   'username' : 'aayush'
  // }
  res.locals.currentUser = req.user;
  res.locals.title = "Surf Shop";
  res.locals.success = req.session.success || "";
  delete req.session.success;
  res.locals.error = req.session.error || "";
  delete req.session.error;
  next();
});

// Mount Routes
app.use("/", indexRouter);
app.use("/posts", postsRouter);
app.use("/posts/:id/reviews", reviewsRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// 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');
  console.log(err);
  req.session.error = err.message;
  res.redirect("back");
});

module.exports = app;