server.js

const path = require("path");
const sequelize = require("./utils/database");
const Product = require("./models/product");
const User = require("./models/user");
const Cart = require("./models/cart");
const CartItem = require("./models/cartItem");
const Order = require("./models/order");
const OrderItem = require("./models/orderItems");

const express = require("express");
const bodyParser = require("body-parser");

const errorController = require("./controllers/error");
const multer = require("multer");
const storage = multer.memoryStorage();
const uploads = multer({ storage });
const sharp = require("sharp");
const fs = require("fs");

const app = express();

app.set("view engine", "ejs");
app.set("views", path.join(__dirname, "views"));

const adminRoutes = require("./routes/admin");
const shopRoutes = require("./routes/shop");

app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, "public")));
app.use((req, res, next) => {
  User.findByPk(1)
    .then((user) => {
      req.user = user;
      next();
    })
    .catch((err) => console.error(err));
});

app.use("/admin", adminRoutes);
app.use(shopRoutes);

app.post("/api/v1/images", uploads.single("thumbnail"), async (req, res) => {
  console.log("file", req.file);
  console.log("body", req.body);
  fs.access("./data/uploads/", (err) => {
    if (err) {
      fs.mkdirSync("./data/uploads");
    }
  });
  await sharp(req.file.buffer)
    .resize({ width: 650, height: 350 })
    .toFile("./data/uploads/" + req.file.originalname);
  res.send("success");
});

app.use(errorController.get404);
const port = process.env.PORT || 1337;

Product.belongsTo(User, { constraints: true, onDelete: "CASCADE" });
User.hasMany(Product);
User.hasOne(Cart);
Cart.belongsTo(User);
Cart.belongsToMany(Product, { through: CartItem });
Product.belongsToMany(Cart, { through: CartItem });
Order.belongsTo(User);
User.hasMany(Order);
Order.belongsToMany(Product, { through: OrderItem });

sequelize
  .sync()
  .then((res) => {
    return User.findByPk(1);
  })
  .then((user) => {
    if (!user) {
      return User.create({
        name: "Max",
        email: "user@gmail.com",
      });
    }
    return user;
  })
  .then((user) => {
    return user.createCart();
  })
  .catch((err) => console.error(err));

app.listen(port, () => console.log(`server is running on ${port}`));