app.js

import express from "express";
import path from "path";
import bodyParser from "body-parser";
import rootDir from "./utils/path.js";
import multer from "multer";
import flash from "connect-flash";
import { router as categoryRouter} from "./routes/categoryRoutes.js";
import { router as productRouter} from "./routes/productRoutes.js";
import { sequelize } from "./utils/database.js";
import { Product } from "./models/product.js";
import { Category } from "./models/category.js";
import { seedCategories } from "./seeders/categorySeeder.js";
import { throw404 } from "./controllers/errors.js";
const app = express();

const fileStorage = multer.diskStorage({
    destination:(req,file,cb)=>{
        cb(null,"images");
    },
    filename:(req,file,cb)=>{
        cb(null,Date.now()+"-"+file.originalname);
    }
});
const fileFilter = (req,file,cb)=>{
    if(file.mimetype === "image/png" || file.mimetype === "image/jpg" || file.mimetype === "image/jpeg"){
        cb(null,true);
    }
    else{
        cb(null,false);
    }
};

app.set("view engine","ejs");
app.set("views","views")
app.use(bodyParser.urlencoded({extended:false}));
app.use(multer({storage:fileStorage,fileFilter:fileFilter}).single("image"));
app.use(express.static(path.join(rootDir,"public")));
app.use("/images",express.static(path.join(rootDir,"images")));
app.use(flash());

app.use("/categories",categoryRouter);
app.use("/products",productRouter);
app.use(throw404);
app.use((err,req,res,next)=>{
    console.log(err);
    res.status(500).render("500",{pageTitle:"Error!",path:"/500"});
})


Product.belongsTo(Category);
Category.hasMany(Product);



sequelize.sync({force:false})
    .then(()=>{
        return seedCategories();
    })
    .then(()=>{
        app.listen(3000);
    })
    .catch(err=>{console.log(err);})