Repository: MazenShoaip/e-commerce
Branch: main
Commit: 8a3642f41cfe
Files: 47
Total size: 29.0 KB

Directory structure:
gitextract_byn377yl/

├── .gitignore
├── jsconfig.json
├── package.json
├── server.js
└── src/
    ├── app.js
    ├── controllers/
    │   ├── authController.js
    │   ├── cartController.js
    │   ├── notFound.js
    │   ├── orderController.js
    │   └── productController.js
    ├── database/
    │   └── database.js
    ├── db/
    │   └── db.js
    ├── middlewares/
    │   └── verifyToken.js
    ├── repositories/
    │   ├── databaseRepository.js
    │   └── userRepository.js
    ├── routes/
    │   ├── authRouter.js
    │   ├── cartRoute.js
    │   ├── orderRoute.js
    │   ├── productRoute.js
    │   └── router.js
    ├── schemas/
    │   ├── cartSchema.js
    │   ├── idSchema.js
    │   ├── productSchema.js
    │   ├── productUpdateSchema.js
    │   ├── userLoginSchema.js
    │   ├── userSignupSchema.js
    │   └── verifyEmailSchema.js
    ├── services/
    │   ├── auth/
    │   │   ├── loginService.js
    │   │   ├── refreshTokenService.js
    │   │   ├── refreshVerifyEmailService.js
    │   │   ├── signupService.js
    │   │   └── verifyEmailService.js
    │   ├── cart/
    │   │   ├── getCartService.js
    │   │   └── setCartService.js
    │   ├── emailService.js
    │   ├── order/
    │   │   ├── addOrderService.js
    │   │   └── getOrderService.js
    │   └── product/
    │       ├── addProductService.js
    │       ├── deleteProductService.js
    │       ├── getProductsService.js
    │       └── updateProductService.js
    └── utils/
        ├── appError.js
        ├── errorsHandle.js
        ├── generateOTP.js
        ├── generateToken.js
        ├── rateLimit.js
        └── storeRefreshToken.js

================================================
FILE CONTENTS
================================================

================================================
FILE: .gitignore
================================================
# dependencies
node_modules/

# environment variables
.env
toDO.txt


================================================
FILE: jsconfig.json
================================================
{
    "compilerOptions": {
        "module": "NodeNext",
        "moduleResolution": "NodeNext",
        "paths": {
            "#repositories/*": ["./src/repositories/*"],
            "#controllers/*": ["./src/controllers/*"],
            "#db/*": ["./src/db/*"],
            "#middlewares/*": ["./src/middlewares/*"],
            "#routes/*": ["./src/routes/*"],
            "#schemas/*": ["./src/schemas/*"],
            "#services/*": ["./src/services/*"],
            "#utils/*": ["./src/utils/*"],
            "#src/*": ["./src/*"]
        }
    }
}


================================================
FILE: package.json
================================================
{
    "name": "e-commerce",
    "version": "1.0.0",
    "description": "",
    "homepage": "https://github.com/MazenShoaip/e-commerce#readme",
    "bugs": {
        "url": "https://github.com/MazenShoaip/e-commerce/issues"
    },
    "repository": {
        "type": "git",
        "url": "git+https://github.com/MazenShoaip/e-commerce.git"
    },
    "license": "ISC",
    "author": "",
    "type": "module",
    "main": "server.js",
    "scripts": {
        "test": "echo \"Error: no test specified\" && exit 1"
    },
    "dependencies": {
        "bcrypt": "^6.0.0",
        "cookie-parser": "^1.4.7",
        "dotenv": "^17.4.2",
        "express": "^5.2.1",
        "express-rate-limit": "^8.5.2",
        "jsonwebtoken": "^9.0.3",
        "nodemailer": "^8.0.7",
        "pg": "^8.20.0",
        "pg-format": "^1.0.4",
        "smtp-server": "^3.18.4",
        "zod": "^4.4.1"
    },
    "imports": {
        "#repositories/*": "./src/repositories/*",
        "#controllers/*": "./src/controllers/*",
        "#db/*": "./src/db/*",
        "#middlewares/*": "./src/middlewares/*",
        "#routes/*": "./src/routes/*",
        "#schemas/*": "./src/schemas/*",
        "#services/*": "./src/services/*",
        "#utils/*": "./src/utils/*",
        "#src/*": "./src/*"
    }
}


================================================
FILE: server.js
================================================
// process.on("uncaughtException", (err) => {
//     console.error("UNCAUGHT EXCEPTION 💥:", err);
//     process.exit(1);
// });

import app from "#src/app.js";
import AppError from "#utils/appError.js";
async function startServer() {
    try {
        app.listen(5000);
        console.log("Server is Ready");
    } catch (err) {
        console.log("Server is not Ready");
        throw new AppError("Server Error", 500);
        // process.exit(1);
    }
}

await startServer();

// process.on("unhandledRejection", (err) => {
//     console.error("UNHANDLED REJECTION 💥:", err);
//     process.exit(1);
// });


================================================
FILE: src/app.js
================================================
import express from "express";
import cookieParser from "cookie-parser";
import errorsHandle from "#utils/errorsHandle.js";
import notFound from "#controllers/notFound.js";
import router from "#routes/router.js";
const app = express();

app.use(express.json());
app.use(cookieParser());

app.use('/', router)
app.use(notFound);
app.use(errorsHandle);
export default app;


================================================
FILE: src/controllers/authController.js
================================================
import signupService from "#services/auth/signupService.js";
import loginService from "#services/auth/loginService.js";
import refreshTokenService from "#services/auth/refreshTokenService.js";
import refreshVerifyEmailService from "#services/auth/refreshVerifyEmailService.js";
import verifyEmailService from "#services/auth/verifyEmailService.js";

export async function loginController(req, res, next) {
    let result = await loginService(req.body, res);
    res.status(200).json({ success: true, ...result });
}

export async function signupController(req, res, next) {
    let result = await signupService(req.body);
    res.status(201).json({ success: true, ...result });
}

export async function verifyEmailController(req, res, next) {
    let result = await verifyEmailService(req.body);
    res.status(201).json({ success: true, ...result });
}

export async function refreshVerifyEmailController(req, res, next) {
    let result = await refreshVerifyEmailService(req.body);
    res.status(201).json({ success: true, ...result });
}

export async function refreshTokenController(req, res, next) {
    let result = await refreshTokenService(req.cookies.refreshToken, res);
    res.status(200).json({ success: true, ...result });
}


================================================
FILE: src/controllers/cartController.js
================================================
import setCartService from "#services/cart/setCartService.js";
import getCartService from "#services/cart/getCartService.js";

export async function setCartController(req, res, next) {
    let result = await setCartService(req.body, req.user);
    res.status(201).json({ success: true, ...result });
}

export async function getCartController(req, res, next) {
    let result = await getCartService(req.user);
    res.status(200).json({ success: true, result });
}


================================================
FILE: src/controllers/notFound.js
================================================
import AppError from "#utils/appError.js";

export default function notFound(req, res, next) {
    next(new AppError("Route was not found", 404));
}


================================================
FILE: src/controllers/orderController.js
================================================
import addOrderService from "#services/order/addOrderService.js";
import getOrderService from "#services/order/getOrderService.js";

export async function addOrderController(req, res, next) {
    let result = await addOrderService(req.body, req.user);
    res.status(201).json({ success: true, ...result });
}

export async function getOrderController(req, res, next) {
    let result = await getOrderService(req.user);
    res.status(200).json({ success: true, result });
}


================================================
FILE: src/controllers/productController.js
================================================
import addProductService from "#services/product/addProductService.js";
import updateProductService from "#services/product/updateProductService.js";
import getProductsService from "#services/product/getProductsService.js";
import removeProductService from "#services/product/deleteProductService.js";
import AppError from "#utils/appError.js";

export async function addProductController(req, res, next) {
    if (req.user.role !== "admin") throw new AppError("Access Denied", 401);
    let result = await addProductService(req.body);
    res.status(201).json({ success: true, ...result });
}
export async function removeProductController(req, res, next) {
    if (req.user.role !== "admin") throw new AppError("Access Denied", 401);
    let result = await removeProductService(req.body);
    if (result.result === 0) throw new AppError("Item was not found", 400);
    res.status(200).json({ success: true, ...result });
}
export async function updateProductController(req, res, next) {
    if (req.user.role !== "admin") throw new AppError("Access Denied", 401);
    let result = await updateProductService(req.body);
    if (result.matchedCount === 0)
        throw new AppError("Item was not found", 400);
    res.status(200).json({ success: true, result });
}
export async function getProductsController(req, res, next) {
    let result = await getProductsService();
    res.status(200).json({ success: true, result });
}


================================================
FILE: src/database/database.js
================================================
import { configDotenv } from "dotenv";
import { Pool } from "pg";
configDotenv();
const pool = new Pool({
    connectionString: process.env.DATABASE_URL,
});

export default pool;

================================================
FILE: src/db/db.js
================================================
import { MongoClient } from "mongodb";
import { configDotenv } from "dotenv";
import AppError from "#utils/appError.js";
configDotenv();
let db;
export default async function connectDB() {
    const client = new MongoClient(process.env.MONGO_URI);
    await client.connect();
    // await client.db("ecommerce").dropDatabase();
    db = client.db("ecommerce");
    await db
        .collection("pendingUsers")
        .createIndex({ createdAt: 1 }, { expireAfterSeconds: 300 });
    await db
        .collection("refreshTokens")
        .createIndex(
            { createdAt: 1 },
            { expireAfterSeconds: 7 * 24 * 60 * 60 },
        );
    console.log("MongoDB connected");
    return db;
}

export function getDB()
{
    if (!db)
        // db = await connectDB()
        throw new AppError("Database Error", 500);
    return db
}

================================================
FILE: src/middlewares/verifyToken.js
================================================
import { configDotenv } from "dotenv";
import jwt from "jsonwebtoken";
import AppError from "#utils/appError.js";
configDotenv();
export default function verifyToken(req, res, next) {
    let token = String(req.headers.authorization).split(" ")[1];
    let user;
    try {
        user = jwt.verify(token, process.env.ACCESS_JWT_KEY);
    } catch (err) {
        throw new AppError("Access Denied", 401);
    }
    if (user.type !== "access") throw AppError("Access Denied", 401);
    req.user = user;
    next();
}


================================================
FILE: src/repositories/databaseRepository.js
================================================
import pool from "#src/database/database.js";
import AppError from "#utils/appError.js";
import format from "pg-format";

export async function addItem(data, relation) {
    let keys = Object.keys(data);
    let values = Object.values(data);
    let query = format(
        "INSERT INTO %I (%I) VALUES (%L) RETURNING id",
        relation,
        keys,
        values,
    );
    let result = await pool.query(query);
    return result;
}
export async function addItems(data, relation, chunkSize = 1000) {
    let keys = Object.keys(data[0]);
    let results = [];
    for (let i = 0; i < data.length; i += chunkSize) {
        let chunk = data.slice(i, i + chunkSize);
        let values = chunk.map((obj) => keys.map((k) => obj[k]));

        let query = format(
            "INSERT INTO %I (%I) VALUES %L RETURNING id",
            relation,
            keys,
            values,
        );
        let result = await pool.query(query);
        results.push(result.rows);
    }
    return results;
}

export async function findItem(data, relation, limit = "ALL", common = true) {
    let keys = Object.keys(data);
    let values = Object.values(data);
    if (keys.length === 0)
        return (await pool.query(format("SELECT * FROM %I", relation))).rows;
    if (limit !== "ALL" && isNaN(limit))
        throw new AppError("Limit must be a number", 500);
    let conditions = keys
        .map((k, i) => {
            return format("%I = %L", k, values[i]);
        })
        .join(` ${common ? "AND" : "OR"} `);
    let query = format(
        "SELECT * FROM %I WHERE (%s) LIMIT %s",
        relation,
        conditions,
        limit,
    );
    let result = await pool.query(query);
    return result;
}

export async function updateItem(data, filters, relation, common = true) {
    const dataKeys = Object.keys(data);
    const dataValues = Object.values(data);
    const setClause = dataKeys
        .map((k, i) => format("%I = %L", k, dataValues[i]))
        .join(", ");

    const filterKeys = Object.keys(filters);
    const filterValues = Object.values(filters);

    if (filterKeys.length === 0) {
        throw new AppError(
            "You must provide at least one filter to update a row safely.",
            500,
        );
    }

    const whereClause = filterKeys
        .map((k, i) => format("%I = %L", k, filterValues[i]))
        .join(` ${common ? "AND" : "OR"} `);
    let query = format(
        "UPDATE %I SET %s WHERE %s",
        relation,
        setClause,
        whereClause,
    );
    let result = await pool.query(query);
    return result;
}
export async function deleteItem(filters, relation, common = true) {
    const filterKeys = Object.keys(filters);
    const filterValues = Object.values(filters);

    if (filterKeys.length === 0) {
        throw new AppError(
            "You must provide at least one filter to delete a row safely.",
            500,
        );
    }

    const whereClause = filterKeys
        .map((k, i) => format("%I = %L", k, filterValues[i]))
        .join(` ${common ? "AND" : "OR"} `);
    let query = format("DELETE FROM %I WHERE %s", relation, whereClause);
    let result = await pool.query(query);
    return result;
}

export async function setCart(data) {
    let items = data.items;
    let user_id = data.user_id;
    for (let i of items) {
        if (!i.quantity) {
            await deleteItem({ product_id: i.product_id, user_id }, "carts");
            continue;
        }
        let item = (
            await findItem({ product_id: i.product_id, user_id }, "carts")
        ).rows[0];
        if (!item) {
            await addItem({ user_id, ...i }, "carts");
            continue;
        }
        await updateItem(
            { quantity: i.quantity },
            { id: item.id, user_id },
            "carts",
        );
    }
}
export async function setOrder(data) {
    let items = data.items;
    let user_id = data.user_id;
    let address = data.address;
    let verified_items = [];
    let stocks = [];
    let balance = 0;
    let order_id = (await addItem({ user_id, address, balance }, "orders"))
        .rows[0];
    for (let i of items) {
        let itemDB = (await findItem({ id: i.product_id }, "products")).rows[0];
        if (itemDB.stock < i.quantity) {
            await deleteItem({ id: order_id.id }, "orders");
            throw new AppError("Not enough stock of " + itemDB.product, 400);
        }
        balance += i.quantity * itemDB.price;
        verified_items.push({
            product_id: i.product_id,
            order_id: order_id.id,
            quantity: i.quantity,
        });
        stocks.push({
            product_id: i.product_id,
            stock: itemDB.stock - i.quantity,
        });
    }
    for (let i of stocks) {
        await updateItem({ stock: i.stock }, { id: i.product_id }, "products");
    }
    addItems(verified_items, "orders_items");
    await updateItem({ balance }, { id: order_id.id }, "orders");
    await deleteItem({ user_id }, "carts");
}


================================================
FILE: src/repositories/userRepository.js
================================================
import pool from "#src/database/database.js";

async function getUsers() {
    return pool.query("SELECT * FROM users limit 1");
}

async function getUser(info) {
    return pool.query("SELECT * FROM users ");
}
console.log((await getUsers()).rows)

================================================
FILE: src/routes/authRouter.js
================================================
import express from "express";
import * as authController from "#controllers/authController.js";
import setLimit from "#utils/rateLimit.js";

const authRoute = express.Router();
authRoute.post("/login", setLimit(10, 1), authController.loginController);
authRoute.post("/signup",setLimit(10, 10), authController.signupController);
authRoute.post("/otp/email",setLimit(5, 1), authController.verifyEmailController);
authRoute.post(
    "/otp/refresh/email",
    authController.refreshVerifyEmailController,
);
authRoute.post("/token/refresh",setLimit(3, 1), authController.refreshTokenController);

export default authRoute;


================================================
FILE: src/routes/cartRoute.js
================================================
import express from "express";
import * as cartController from "#controllers/cartController.js";
import verifyToken from "#middlewares/verifyToken.js";

const cartRoute = express.Router();
cartRoute.post("/add", verifyToken, cartController.setCartController);
// cartRoute.delete("/delete", verifyToken, cartController.removeCartController);
// cartRoute.patch("/update", verifyToken, cartController.updateCartController);
cartRoute.get("/", verifyToken, cartController.getCartController);

export default cartRoute;


================================================
FILE: src/routes/orderRoute.js
================================================
import express from "express";
import * as orderController from "#controllers/orderController.js";
import verifyToken from "#middlewares/verifyToken.js";

const orderRoute = express.Router();
orderRoute.post("/add", verifyToken, orderController.addOrderController);
orderRoute.get("/", verifyToken, orderController.getOrderController);

export default orderRoute;


================================================
FILE: src/routes/productRoute.js
================================================
import express from "express";
import * as productController from "#controllers/productController.js";
import verifyToken from "#middlewares/verifyToken.js";

const productRoute = express.Router();
productRoute.post("/add", verifyToken, productController.addProductController);
productRoute.delete(
    "/delete",
    verifyToken,
    productController.removeProductController,
);
productRoute.patch(
    "/update",
    verifyToken,
    productController.updateProductController,
);
productRoute.get("/products", productController.getProductsController);

export default productRoute;


================================================
FILE: src/routes/router.js
================================================
import express from 'express'
import authRoute from '#routes/authRouter.js'
import productRoute from "#routes/productRoute.js";
import cartRoute from '#routes/cartRoute.js';
import setLimit from "#utils/rateLimit.js";
import orderRoute from './orderRoute.js';

let router = express.Router()

router.use(setLimit(100, 1))

router.use('/auth', authRoute)
router.use('/product', productRoute)
router.use('/cart', cartRoute)
router.use('/order', orderRoute)

export default router

================================================
FILE: src/schemas/cartSchema.js
================================================
import { z } from "zod";
let cartElement = z.object({
    product_id: z.number().int().min(0),
    quantity: z.number().int().min(0),
});
let cartSchema = z.object({
    cart: z.array(cartElement).min(1),
});
export default cartSchema;


================================================
FILE: src/schemas/idSchema.js
================================================
import { z } from "zod";
let idSchema = z.object({
    id: z.string().min(1),
});

export default idSchema;


================================================
FILE: src/schemas/productSchema.js
================================================
import { z } from "zod";
let productSchema = z.object({
    product: z.string().min(3),
    stock: z.int().min(0),
    price: z.number().min(0)

});

export default productSchema;


================================================
FILE: src/schemas/productUpdateSchema.js
================================================
import { z } from "zod";
let productUpdateSchema = z.object({
    id: z.string().min(1),
    product: z.string().min(3).optional(),
    stock: z.int().min(0).optional(),
    price: z.number().min(0).optional()

});

export default productUpdateSchema;


================================================
FILE: src/schemas/userLoginSchema.js
================================================
import { z } from "zod";
let userLoginSchema = z.object({
    username: z.string().min(3).optional(),
    email: z.email("invalid email").optional(),
    password: z.string().min(8),
});

export default userLoginSchema;


================================================
FILE: src/schemas/userSignupSchema.js
================================================
import {  z } from "zod";
let userSignupSchema = z.object({
    username: z.string().min(3),
    password: z.string().min(8),
    email: z.email("invalid email"),
});

export default userSignupSchema;


================================================
FILE: src/schemas/verifyEmailSchema.js
================================================
import { z } from "zod";
let verifyEmailSchema = z.object({
    id: z.string().min(1),
    otp: z.string().length(7),
});

export default verifyEmailSchema;


================================================
FILE: src/services/auth/loginService.js
================================================
import userLoginSchema from "#schemas/userLoginSchema.js";
import AppError from "#utils/appError.js";
import bcrypt from "bcrypt";
import generateToken from "#utils/generateToken.js";
import storeRefreshToken from "#utils/storeRefreshToken.js";
import { findItem } from "#repositories/databaseRepository.js";
export default async function loginService(body, res) {
    let verify = userLoginSchema.safeParse(body);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);

    let data = verify.data;
    if (!data.username && !data.email) throw new AppError("Invalid Data", 400);

    let id = data.email || data.username;

    let user = (await findItem({ username: id, email: id }, "users", 'ALL', false))
        .rows[0];
    if (!user) throw new AppError("User is not found", 404);
    let passwordMatch = await bcrypt.compare(data.password, user.password);
    if (!passwordMatch) throw new AppError("Invalid email or password", 401);
    let accessToken = await generateToken(
        { sub: user.id, role: user.role },
        "access",
        "1d",
    );

    let refreshToken = await generateToken(
        { sub: user.id, role: user.role },
        "refresh",
        "1d",
    );
    storeRefreshToken(refreshToken, res);
    return { accessToken };
}


================================================
FILE: src/services/auth/refreshTokenService.js
================================================
import { configDotenv } from "dotenv";
import { deleteItem } from "#repositories/databaseRepository.js";
import AppError from "#utils/appError.js";
import generateToken from "#utils/generateToken.js";
import storeRefreshToken from "#utils/storeRefreshToken.js";
import jwt from "jsonwebtoken";
configDotenv();

export default async function refreshTokenService(token, res) {
    let user;
    try {
        user = jwt.verify(token, process.env.REFRESH_JWT_KEY);
    } catch (err) {
        throw new AppError("Access Denied", 401);
    }
    if (user.type !== "refresh") throw new AppError("Access Denied", 401);
    let tokenUser = (await deleteItem({ jti: user.jti }, "tokens")).rowCount;
    if (!tokenUser) throw new AppError("Access Denied", 401);
    let accessToken = await generateToken(
        { sub: user.sub, role: user.role },
        "access",
        "15m",
    );

    let refreshToken = await generateToken(
        { sub: user.sub, role: user.role },
        "refresh",
        "1d",
    );
    storeRefreshToken(refreshToken, res);
    return { success: true, accessToken };
}


================================================
FILE: src/services/auth/refreshVerifyEmailService.js
================================================
import idSchema from "#schemas/idSchema.js";
import AppError from "#utils/appError.js";
import bcrypt from "bcrypt";
import generateOTP from "#utils/generateOTP.js";
import sendEmail from "#services/emailService.js";
import { findItem, updateItem } from "#repositories/databaseRepository.js";
export default async function refreshVerifyEmailService(body) {
    let verify = idSchema.safeParse(body);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);
    let data = verify.data;
    let user = (await findItem({ id: data.id }, "pending_users")).rows[0];
    if (!user) throw new AppError("ID was not found", 400);
    let otp = generateOTP();
    let hashedOTP = await bcrypt.hash(String(otp), 10);
    await updateItem(
        { otp: hashedOTP, created_at: new Date().toISOString() },
        { id: data.id },
        "pending_users",
    );
    await sendEmail({
        to: user.email,
        subject: "otp code",
        text: `Your otp is ${otp}`,
    });
    return { success: true, message: "OTP refresh message is sent" };
}


================================================
FILE: src/services/auth/signupService.js
================================================
import userSignupSchema from "#schemas/userSignupSchema.js";
import AppError from "#utils/appError.js";
import bcrypt from "bcrypt";
import sendEmail from "#services/emailService.js";
import generateOTP from "#utils/generateOTP.js";
import { addItem, findItem } from "#repositories/databaseRepository.js";

export default async function signupService(body) {
    let verify = userSignupSchema.safeParse(body);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);
    let data = verify.data;
    let foundUsers = (
        await findItem(
            { username: data.username, email: data.email },
            "users",
            1,
            false,
        )
    ).rows[0];
    if (foundUsers) {
        let err = foundUsers.username == data.username ? "Username" : "Email";
        throw new AppError(err, "is already used", 409);
    }

    let password = await bcrypt.hash(data.password, 10);
    let otpCode = generateOTP();
    let otp = await bcrypt.hash(String(otpCode), 10);
    let signupData = { ...data, password, otp, role: "user" };
    let result = await addItem(signupData, "pending_users");
    await sendEmail({
        to: signupData.email,
        subject: "otp code",
        text: `Your otp is ${otpCode}`,
    });
    return { success: true, id: result.rows[0].id, message: "Message is sent" };
}


================================================
FILE: src/services/auth/verifyEmailService.js
================================================
import { addItem, findItem } from "#repositories/databaseRepository.js";
import verifyEmailSchema from "#schemas/verifyEmailSchema.js";
import AppError from "#utils/appError.js";
import bcrypt from "bcrypt";
export default async function verifyEmailService(body) {
    let verify = verifyEmailSchema.safeParse(body);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);
    let data = verify.data;
    let user = (await findItem({ id: data.id }, "pending_users")).rows[0];
    if (!user) throw new AppError("ID was not found", 404);
    if (300000 < Date.now() - new Date(user.created_at + "Z").getTime())
        throw new AppError("Expired OTP", 401);
    let match = await bcrypt.compare(data.otp, user.otp);
    if (!match) throw new AppError("Invalid OTP", 401);
    let foundUsers = (
        await findItem(
            { username: user.username, email: user.email },
            "users",
            1,
            false,
        )
    ).rows[0];
    if (foundUsers) {
        let err = foundUsers.username == data.username ? "Username" : "Email";
        throw new AppError(err + " is already used", 409);
    }

    delete user.otp;
    delete user.created_at;
    await addItem(user, "users");
    return { success: true, message: "Email verified" };
}


================================================
FILE: src/services/cart/getCartService.js
================================================
import { findItem } from "#repositories/databaseRepository.js";

export default async function getCartService(user) {
    console.log(user)
    let result = await findItem({ user_id: user.sub }, "carts");
    return {
        cart: result.cart,
    };
}


================================================
FILE: src/services/cart/setCartService.js
================================================
import {
    updateItem,
    findItem,
    setCart,
} from "#repositories/databaseRepository.js";
import AppError from "#utils/appError.js";
import cartSchema from "#schemas/cartSchema.js";

export default async function setCartService(items, user) {
    let verify = cartSchema.safeParse(items);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);
    let data = { items: verify.data.cart, user_id: user.sub };
    // let badCart = [];
    // for (let i = 0; i < data.length; i++) {
    //     let item = await findItem({ _id: data[i] }, "products");
    //     if (!item) badCart.push(item);
    // }
    // if (badCart.length > 0)
    //     throw new AppError(`${badCart} Does not Exist`, 400);
    let result = await setCart(data);
    return {
        id: result,
        message: "Product is added",
    };
}


================================================
FILE: src/services/emailService.js
================================================
import nodemailer from "nodemailer";
import { configDotenv } from "dotenv";
configDotenv();
const transporter = nodemailer.createTransport({
    host: process.env.EMAIL_HOST,
    port: 587,
    auth: {
        user: process.env.EMAIL_USER,
        pass: process.env.EMAIL_PASSWORD,
    },
});

export default async function sendEmail(mail) {
    const info = await transporter.sendMail({
        from: process.env.EMAIL_USER,
        to: mail.to,
        subject: mail.subject,
        text: mail.text,
    });
    // console.log("Message sent:", info.messageId);
    console.log("Preview URL:", nodemailer.getTestMessageUrl(info));
    return {success:true, message: "Message is sent"};
}

// sendEmail({ to: "test1@user.com", subject: "test subject", text: "text ENV" });


================================================
FILE: src/services/order/addOrderService.js
================================================
import { findItem, setOrder } from "#repositories/databaseRepository.js";
import AppError from "#utils/appError.js";

export default async function setOrderService(items, user) {
    let order = (await findItem({ user_id: user.sub }, "carts")).rows;
    let data = {
        items: order,
        user_id: user.sub,
        address: user.role,
    };
    let result = await setOrder(data);
    return {
        id: result,
        message: "Order is added",
    };
}


================================================
FILE: src/services/order/getOrderService.js
================================================
import { findItem } from "#repositories/databaseRepository.js";

export default async function getCartService(user) {
    let result = await findItem({ user_id: user.sub }, "orders");
    return {
        orders: result.rows,
    };
}


================================================
FILE: src/services/product/addProductService.js
================================================
import { addItem } from "#repositories/databaseRepository.js";
import AppError from "#utils/appError.js";
import productSchema from "#schemas/productSchema.js";

export default async function addProductService(body) {
    let verify = productSchema.safeParse(body);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);
    let data = verify.data;
    let result = (await addItem(data, 'products')).rows[0].id;
    return {
        id: result,
        message: "Product is added",
    };
}


================================================
FILE: src/services/product/deleteProductService.js
================================================
import { deleteItem } from "#repositories/databaseRepository.js";
import AppError from "#utils/appError.js";
import idSchema from "#schemas/idSchema.js";

export default async function removeProductService(body) {
    let verify = idSchema.safeParse(body);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);
    let data = { id: verify.data.id };
    let result = await deleteItem(data, "products");
    return {
        deletedCount: result.rowCount,
    };
}


================================================
FILE: src/services/product/getProductsService.js
================================================
import { findItem } from "#repositories/databaseRepository.js";

export default async function getProductsService() {
    let result = await findItem({}, "products");
    return {
        items: result,
    };
}


================================================
FILE: src/services/product/updateProductService.js
================================================
import { updateItem } from "#repositories/databaseRepository.js";
import AppError from "#utils/appError.js";
import productUpdateSchema from "#schemas/productUpdateSchema.js";

export default async function updateProductService(body) {
    let verify = productUpdateSchema.safeParse(body);
    if (!verify.success)
        throw new AppError("Invalid " + verify.error.issues[0].path[0], 400);
    let data = verify.data;
    let id = data.id;
    delete data.id;
    let result = await updateItem(data, { id }, "products");
    return {
        matchedCount: result.rowCount,
    };
}


================================================
FILE: src/utils/appError.js
================================================
export default class AppError extends Error {
    constructor(message, status) {
        super(message);
        this.status = status;
        this.isOperational = true;
    }
}


================================================
FILE: src/utils/errorsHandle.js
================================================
export default function errorsHandle(err, req, res, next) {
    console.log("This error handler");
    res.status(err.status || 500).json({
        success: false,
        message: err.message || "Internal Server Error",
    });
}


================================================
FILE: src/utils/generateOTP.js
================================================
import crypto from "crypto"

export default function generateOTP()
{
    return crypto.randomInt(1000000, 9999999)
}



================================================
FILE: src/utils/generateToken.js
================================================
import jwt from "jsonwebtoken";
import crypto from "crypto";
import { configDotenv } from "dotenv";
import { addItem } from "#repositories/databaseRepository.js";

configDotenv();

export default async function generateToken(user, type, expire) {
    let jti = crypto.randomUUID();
    let token = jwt.sign(
        { ...user, jti, type, createdAt: new Date() },
        process.env[type.toUpperCase() + "_JWT_KEY"],
        {
            expiresIn: expire,
        },
    );

    if (type == "refresh") await addItem({ jti: jti }, "tokens");
    return token;
}

// console.log(await generateToken({ user: "demo" },'access', "7d"));


================================================
FILE: src/utils/rateLimit.js
================================================
import rateLimit from "express-rate-limit";

export default function setLimit(limit, time) {
    return rateLimit({
        windowMs: time * 60 * 1000,
        limit,
        message: {error: "Too many requests"},
        standardHeaders: true,
        legacyHeaders: true,
    });
}


================================================
FILE: src/utils/storeRefreshToken.js
================================================
export default function storeRefreshToken(token, res) {
    res.cookie("refreshToken", token, {
        httpOnly: true,
        secure: false,
        sameSite: "strict",
        path: "/auth/token/refresh",
    });
}