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app.js
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app.js
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const createError = require("http-errors");
const express = require("express");
const cors = require("cors");
const session = require("express-session");
const passport = require("passport");
const LocalStrategy = require("passport-local").Strategy;
const mongoose = require("mongoose");
const path = require("path");
const cookieParser = require("cookie-parser");
const logger = require("morgan");
const bcrypt = require("bcryptjs");
const User = require("./models/User");
const indexRouter = require("./routes/index");
const calendarRouter = require("./routes/calendar");
const statsRouter = require("./routes/stats");
const workoutLibraryRouter = require("./routes/workoutLibrary");
require("dotenv").config();
const app = express();
// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");
app.use(cors());
app.use(logger("dev"));
app.use(express.json());
app.use(session({ secret: "cats", resave: false, saveUninitialized: true }));
passport.use(
new LocalStrategy(
{ usernameField: "email", passwordField: "password" },
async (email, password, done) => {
try {
const user = await User.findOne({ email: email });
if (!user) {
return done(null, false, { message: "Incorrect email" });
}
bcrypt.compare(password, user.password, (err, res) => {
if (err) {
console.error(err);
return next(err);
}
if (res) {
// passwords match! log user in
return done(null, user);
} else {
// passwords do not match!
return done(null, false, {
message: "Incorrect password",
});
}
});
} catch (err) {
return done(err);
}
}
)
);
passport.serializeUser(function (user, done) {
done(null, user.id);
});
passport.deserializeUser(async function (id, done) {
try {
const user = await User.findById(id);
done(null, user);
} catch (err) {
done(err);
}
});
app.post("/login", (req, res, next) => {
passport.authenticate(
"local",
{ usernameField: "email", passwordField: "password" },
(err, user, info) => {
if (err) {
console.log(err);
return res
.status(500)
.json({ message: "Internal server error" });
}
if (!user) {
return res
.status(401)
.json({ message: "Invalid email or password" });
}
req.logIn(user, (err) => {
if (err) {
console.log(err);
return res
.status(500)
.json({ message: "Internal server error" });
}
return res.json(user);
});
}
)(req, res, next);
});
app.use(passport.initialize());
app.use(passport.session());
app.get("/log-out", (req, res, next) => {
req.logout(function (err) {
if (err) {
console.log(err);
return next(err);
}
res.json({ message: "ALL GOOD" });
});
});
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));
app.use("/", indexRouter);
app.use("/calendar", calendarRouter);
app.use("/stats", statsRouter);
app.use("/workouts", workoutLibraryRouter);
// 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 : {};
// Customize the error response based on the type of error
if (err.name === "ValidationError") {
// Handle validation errors
const validationErrors = Object.values(err.errors).map(
(error) => error.message
);
res.status(400).json({
error: "Validation Error",
errors: validationErrors,
});
} else if (err.name === "UnauthorizedError") {
// Handle unauthorized errors (e.g., authentication failure)
res.status(401).json({
error: "Unauthorized",
message: "Invalid credentials",
});
} else {
// Handle other errors
res.status(err.status || 500).json({
error: "Server Error",
message: err.message,
});
}
});
const uri = process.env.ATLAS_URI;
mongoose.connect(uri, { useNewUrlParser: true, useUnifiedTopology: true });
const db = mongoose.connection;
db.on("error", console.error.bind(console, "MongoDB connection error:"));
db.once("open", () => {
console.log("MongoDB database connection established successfully");
});
module.exports = app;