app.js

require("dotenv").config();

const bodyParser = require("body-parser");
const cookieParser = require("cookie-parser");
const express = require("express");
const favicon = require("serve-favicon");
const hbs = require("hbs");
const mongoose = require("mongoose");
const logger = require("morgan");
const path = require("path");
const flash = require("connect-flash");

mongoose
  .connect(process.env.MONGODB_URI || "mongodb://localhost/pets-app", {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    useFindAndModify: false,
    useCreateIndex: true,
  })
  .then((x) => {
    console.log(
      `Connected to Mongo! Database name: "${x.connections[0].name}"`
    );
  })
  .catch((err) => {
    console.error("Error connecting to mongo", err);
  });

const app_name = require("./package.json").name;
const debug = require("debug")(
  `${app_name}:${path.basename(__filename).split(".")[0]}`
);

const app = express();

app.use(logger("dev"));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());

app.use(
  require("node-sass-middleware")({
    src: path.join(__dirname, "public"),
    dest: path.join(__dirname, "public"),
    sourceMap: true,
  })
);

app.set("views", path.join(__dirname, "views"));
app.set("view engine", "hbs");
app.use(express.static(path.join(__dirname, "public")));
app.use(favicon(path.join(__dirname, "public", "images", "favicon.ico")));
hbs.registerPartials(path.join(__dirname, "views", "partials"));

app.locals.title = "PetsApp";

const session = require("express-session");
const MongoStore = require("connect-mongo")(session);

const passport = require("passport");
const LocalStrategy = require("passport-local").Strategy;

const bcrypt = require("bcrypt");

app.use(
  session({
    secret: process.env.SESSION_SECRET,
    cookie: { maxAge: 24 * 60 * 60 * 1000 },
    saveUninitialized: true,
    resave: true,
    store: new MongoStore({
      mongooseConnection: mongoose.connection,
      ttl: 24 * 60 * 60 * 1000,
    }),
  })
);

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

const User = require("./models/User");

passport.serializeUser((user, done) => {
  done(null, user._id);
});
passport.deserializeUser((id, done) => {
  User.findById(id)
    .then((dbUser) => {
      done(null, dbUser);
      hbs.registerHelper("isid", function (value) {
        return JSON.stringify(value) !== JSON.stringify(dbUser._id);
      });
    })
    .catch((err) => {
      done(err);
    });
});

passport.use(
  new LocalStrategy(
    {
      usernameField: "username",
      passwordField: "password",
    },
    (username, password, done) => {
      User.findOne({ username: username })
        .then((found) => {
          if (found === null) {
            return done(null, false, { message: "Wrong credentials" });
          }
          if (!bcrypt.compareSync(password, found.password)) {
            return done(null, false, { message: "Wrong credentials" });
          }
          done(null, found);
        })
        .catch((err) => {
          done(err, false);
        });
    }
  )
);

const GoogleStrategy = require("passport-google-oauth20").Strategy;

passport.use(
  new GoogleStrategy(
    {
      clientID: process.env.GOOGLE_ID,
      clientSecret: process.env.GOOGLE_SECRET,
      callbackURL: "/auth/google/callback",
    },
    (accessToken, refreshToken, profile, done) => {
      console.log("Google account details:", profile);

      User.findOne({ googleID: profile.id })
        .then((user) => {
          if (user) {
            done(null, user);
            return;
          }
          User.create({ googleID: profile.id })
            .then((newUser) => {
              done(null, newUser);
            })
            .catch((err) => done(err));
        })
        .catch((err) => done(err));
    }
  )
);

app.use(flash());

const index = require("./routes/index");
app.use("/", index);
const auth = require("./routes/auth");
app.use("/", auth);
const pets = require("./routes/pets");
app.use("/", pets);
const users = require("./routes/users");
app.use("/", users);
const match = require("./routes/match");
app.use("/", match);
const message = require("./routes/message");
app.use("/", message);

module.exports = app;