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index.js
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const express = require("express");
const cors = require("cors");
const { MongoClient } = require("mongodb");
const ObjectId = require("mongodb").ObjectId;
require("dotenv").config();
const fileUpload = require("express-fileupload");
const stripe = require("stripe")(process.env.STRIPE_SECRET_KEY);
var admin = require("firebase-admin");
const app = express();
const port = process.env.PORT || 5000;
// Middleware
app.use(cors());
app.use(express.json());
app.use(fileUpload());
/* Firebase Admin */
// var serviceAccount = require("./smart-shop-pos-firebase-adminsdk-km3ga-21151d26c2.json");
// admin.initializeApp({
// credential: admin.credential.cert(serviceAccount),
// });
// Database Info
const uri = `mongodb+srv://${process.env.DB_USER}:${process.env.DB_PASS}@cluster0.whfic.mongodb.net/myFirstDatabase?retryWrites=true&w=majority`;
const client = new MongoClient(uri, {
useNewUrlParser: true,
useUnifiedTopology: true,
});
// async function verifyToken(req, res, next) {
// if (req.headers?.authorization?.startsWith("Bearer ")) {
// const idToken = req.headers.authorization.split("Bearer ")[1];
// try {
// const decodedUser = await admin.auth().verifyIdToken(idToken);
// req.decodedUserEmail = decodedUser.email;
// } catch {
// /* some space for error */
// }
// }
// next();
// }
async function run() {
try {
await client.connect();
/* Smart Shop POS database */
const database = client.db("smart-shop-pos");
/* Collections */
const customerCollection = database.collection("customers");
const productCollection = database.collection("products");
const userCollection = database.collection("users");
const employeeCollection = database.collection("employees");
const transactionCollection = database.collection("transactions");
const supplierCollection = database.collection("suppliers");
const expenseCollection = database.collection("expenses");
const expenseItemCollection = database.collection("expense-items");
const designationCollection = database.collection("designations");
const categoryCollection = database.collection("category");
const eventsCollection = database.collection("events");
const ordersCollection = database.collection("orders");
const loansCollection = database.collection("loans");
const storeCollection = database.collection("stores");
/* ------- GET API ------- */
/* Write down your GET API here */
// GET : Products
/* app.get("/products", async (req, res) => {
const result = await productCollection.find({}).toArray();
res.json(result);
}); */
// GET : Stores
app.get("/stores", async (req, res) => {
const stores = await storeCollection.find({}).toArray();
res.json(stores);
});
// POST : Add store products
app.post("/stores", async (req, res) => {
const newProduct = req.body;
const result = await storeCollection.insertOne(newProduct);
res.json(result);
});
app.get("/stores/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await storeCollection.findOne(query);
res.json(result);
});
// GET : Category
app.get("/category", async (req, res) => {
const result = await categoryCollection.find({}).toArray();
res.json(result);
});
app.post("/category", async (req, res) => {
const newCategory = req.body;
const result = await categoryCollection.insertOne(newCategory);
res.json(result);
});
app.delete("/category/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await categoryCollection.deleteOne(query);
res.json(result);
});
app.get("/expense-items", async (req, res) => {
const expenseItems = await expenseItemCollection.find({}).toArray();
res.json(expenseItems);
});
app.post("/expense-items", async (req, res) => {
const newExpenseItem = req.body;
const result = await expenseItemCollection.insertOne(newExpenseItem);
res.json(result);
});
app.delete("/expense-items/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await expenseItemCollection.deleteOne(query);
res.json(result);
});
// GET : Users
app.get("/users", async (req, res) => {
const result = await userCollection.find({}).toArray();
res.send(result);
});
/* ========================= Employees Collection START ======================= */
// GET - Get all employees
app.get("/employees", async (req, res) => {
const cursor = employeeCollection.find({});
if ((await cursor.count()) > 0) {
const employees = await cursor.toArray();
res.json(employees);
} else {
res.json({ message: "Employee Not Found!" });
}
});
// GET API - Single employee Details
app.get("/employees/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const employeeDetails = await employeeCollection.findOne(query);
res.json(employeeDetails);
});
// POST - Add a employee by - Admin
app.post("/employees", async (req, res) => {
// Extract image data and convert it to binary base 64
const pic = req.files.image;
const picData = pic.data;
const encodedPic = picData.toString("base64");
const imageBuffer = Buffer.from(encodedPic, "base64");
// Extract other information and make our employee object including image for saving into MongoDB
const {
name,
designation,
role,
employeeId,
phone,
email,
salary,
bloodGroup,
country,
city,
zip,
address,
} = req.body;
const employee = {
name,
designation,
role,
employeeId,
phone,
email,
salary,
bloodGroup,
country,
city,
zip,
address,
image: imageBuffer,
};
const result = await employeeCollection.insertOne(employee);
res.json(result);
});
// Delete - Delete a employee by admin
app.delete("/employees/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await employeeCollection.deleteOne(query);
res.json({ _id: id, deletedCount: result.deletedCount });
});
// PUT - Update an employee details
app.put("/employees", async (req, res) => {
// Extract other information and make our employee object including image for saveing into MongoDB
const {
_id,
name,
designation,
phone,
salary,
bloodGroup,
country,
city,
zip,
address,
} = req.body;
let employee = {};
// Extract image data and convert it to binary base 64
if (req?.files?.image) {
const pic = req.files.image;
const picData = pic.data;
const encodedPic = picData.toString("base64");
const imageBuffer = Buffer.from(encodedPic, "base64");
employee = {
name,
designation,
phone,
salary,
bloodGroup,
country,
city,
zip,
address,
image: imageBuffer,
};
} else {
employee = {
name,
designation,
phone,
salary,
bloodGroup,
country,
city,
zip,
address,
};
}
const filter = { _id: ObjectId(_id) };
const options = { upsert: false };
const updateDoc = { $set: employee };
const result = await employeeCollection.updateOne(
filter,
updateDoc,
options
);
res.json(result);
});
/* ========================= Employees Collection End ======================= */
/* ========================= Designation Collection START ======================= */
// GET - Get all designations
app.get("/designations", async (req, res) => {
const cursor = designationCollection.find({});
if ((await cursor.count()) > 0) {
const designations = await cursor.toArray();
res.json(designations);
} else {
res.json({ message: "Designation Not Found!" });
}
});
// GET API - Single designation Details
app.get("/designations/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const designationDetails = await designationCollection.findOne(query);
res.json(designationDetails);
});
// POST - Add a designation by - Admin
app.post("/designations", async (req, res) => {
const designation = req.body;
const result = await designationCollection.insertOne(designation);
res.json(result);
});
// Delete - Delete designation by admin
app.delete("/designations/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await designationCollection.deleteOne(query);
res.json({ _id: id, deletedCount: result.deletedCount });
});
// PUT - Update an designation details
app.put("/designations", async (req, res) => {
const designation = req.body;
const filter = { _id: ObjectId(_id) };
const options = { upsert: false };
const updateDoc = { $set: designation };
const result = await designationCollection.updateOne(
filter,
updateDoc,
options
);
res.json(result);
});
/* ========================= Designation Collection END ======================= */
/* ========================= Suppler Collection Start ======================= */
// GET - Get all Suppliers
app.get("/suppliers", async (req, res) => {
const cursor = supplierCollection.find({});
if ((await cursor.count()) > 0) {
const suppliers = await cursor.toArray();
res.json(suppliers);
} else {
res.json({ message: "Supplier Not Found!" });
}
});
// GET API - Single Supplier Details
app.get("/suppliers/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const supplierDetails = await supplierCollection.findOne(query);
res.json(supplierDetails);
});
// POST : Add Supplier
app.post("/suppliers", async (req, res) => {
const newSupplier = req.body;
const result = await supplierCollection.insertOne(newSupplier);
res.json(result);
});
//Delete API -supplier
app.delete("/suppliers/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await supplierCollection.deleteOne(query);
res.json({ _id: id, deletedCount: result.deletedCount });
});
// PUT - Update an supplier details
app.put("/suppliers", async (req, res) => {
const { _id, name, contact, email, company, companyAddress } = req.body;
const supplier = {
name,
contact,
email,
company,
companyAddress,
};
const filter = { _id: ObjectId(_id) };
const options = { upsert: false };
const updateDoc = { $set: supplier };
const result = await supplierCollection.updateOne(
filter,
updateDoc,
options
);
res.json(result);
});
/* ========================= Supplier Collection END ======================= */
/* ========================= Customer Collection Start ======================= */
// GET : All Customers
app.get("/customers", async (req, res) => {
const cursor = customerCollection.find({});
if ((await cursor.count()) > 0) {
const customers = await cursor.toArray();
res.json(customers);
} else {
res.json({ message: "Customer Not Found!" });
}
});
// GET API - Single Customer Details
app.get("/customers/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const customerDetails = await customerCollection.findOne(query);
res.json(customerDetails);
});
// POST : Add Customer
app.post("/customers", async (req, res) => {
const newCustomer = req.body;
const result = await customerCollection.insertOne(newCustomer);
res.json(result);
});
//Delete API - Customer
app.delete("/customers/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await customerCollection.deleteOne(query);
res.json({ _id: id, deletedCount: result.deletedCount });
});
// PUT - Update an customer details
app.put("/customers", async (req, res) => {
const { _id, name, email, city, zip, address } = req.body;
const customer = {
name,
email,
city,
zip,
address,
};
const filter = { _id: ObjectId(_id) };
const options = { upsert: false };
const updateDoc = { $set: customer };
const result = await customerCollection.updateOne(
filter,
updateDoc,
options
);
res.json(result);
});
/* ========================= Customer Collection End ======================= */
/* ========================= Events Collection Start ======================= */
// POST : Events
app.post("/events", async (req, res) => {
const event = req.body;
const result = await eventsCollection.insertOne(event);
console.log(result);
res.json(result);
});
//GET : Events
app.get("/events", async (req, res) => {
const result = await eventsCollection.find({}).toArray();
res.json(result);
});
/* ========================= Events Collection End ======================= */
// GET : Transactions
app.get("/transactions", async (req, res) => {
const result = await transactionCollection.find({}).toArray();
res.json(result);
});
// GET : Expenses
app.get("/expenses", async (req, res) => {
const result = await expenseCollection.find({}).toArray();
res.json(result);
});
/* ------- POST API ------- */
/* Write down your POST API here */
// POST : Designation
app.post("/designations", async (req, res) => {
const newDesignation = req.body;
const result = await designationCollection.insertOne(newDesignation);
res.json(result);
});
// POST : Add Expense
app.post("/expenses", async (req, res) => {
const newExpense = req.body;
const result = await expenseCollection.insertOne(newExpense);
res.json(result);
});
/* ------- PUT API ------- */
/* Write down your PUT API here */
// PUT : Demo
app.put("/demo", async (req, res) => {
console.log("UPDATED");
});
/* ------- DELETE API ------- */
/* Write down your DELETE API here */
// DELETE : Demo
app.delete("/demo", async (req, res) => {
console.log("DELETED");
});
/* --------------------------- WRITE DOWN YOUR POST, PUT, DELETE APIs --------------------------- */
/* STRIPE SECTION */
// Stripe Payment
app.post("/create-payment-intent", async (req, res) => {
const paymentInfo = req.body;
const paymentIntent = await stripe.paymentIntents.create({
amount: paymentInfo.payAmount * 100,
currency: "usd",
automatic_payment_methods: {
enabled: true,
},
});
res.send({
clientSecret: paymentIntent.client_secret,
});
});
/* REPORT SECTION */
//--------/* PRODUCT SECTION *------------//
// GET : Products
app.get("/products", async (req, res) => {
const result = await productCollection.find({}).toArray();
res.json(result);
});
// //Get: single product
app.get("/details/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const cursor = await productCollection.findOne(query);
// console.log(cursor);
res.send(cursor);
});
// POST : Products
app.post("/products", async (req, res) => {
const img = req.files.img;
const imgData = img.data;
const encodedImg = imgData.toString("base64");
const imgBuffer = Buffer.from(encodedImg, "base64");
const {
name,
category,
productId,
supplierPrice,
sellPrice,
quantity,
unit,
description,
} = req.body;
const newProduct = {
name,
category,
productId,
supplierPrice: parseInt(supplierPrice),
sellPrice: parseInt(sellPrice),
quantity: parseInt(quantity),
unit,
description,
img: imgBuffer,
};
const result = await productCollection.insertOne(newProduct);
res.json(result);
});
//Remove : Product
app.delete("/products/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await productCollection.deleteOne(query);
// console.log(result);
res.send(result);
});
// Update : Products information
app.put("/products/:id", async (req, res) => {
const id = req.params.id;
const updateData = req.body;
const filter = { _id: ObjectId(id) };
const options = { upsert: true };
const updateDoc = {
$set: updateData,
};
const result = await productCollection.updateOne(
filter,
updateDoc,
options
);
console.log(result);
// console.log(req.body);
res.json(result);
});
// ------------- End Products Section -----------//
/* ========================= order Collection Start ======================= */
// POST : orders
app.post("/orders", async (req, res) => {
const order = req.body;
const result = await ordersCollection.insertOne(order);
console.log(result);
res.json(result);
});
//GET : orders
app.get("/orders", async (req, res) => {
const result = await ordersCollection.find({}).toArray();
res.json(result);
});
//UPDATE API - orders payment status
app.put("/orders/:id", async (req, res) => {
const order = req.body;
const options = { upsert: true };
const updatedPayment = { _id: ObjectId(req.params.id) };
const updatedPaymentStatus = {
$set: {
payment: order.payment,
},
};
const result = await ordersCollection.updateOne(
updatedPayment,
updatedPaymentStatus,
options
);
res.json(result);
});
// //Get: single order
app.get("/orders/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const cursor = await ordersCollection.findOne(query);
res.send(cursor);
});
//Remove : order
app.delete("/orders/:id", async (req, res) => {
const deletedOrder = await ordersCollection.deleteOne({
_id: ObjectId(req.params.id),
});
res.json(deletedOrder);
});
/* ========================= order Collection End ======================= */
/* ========================= Transaction Collection Start ======================= */
//POST : transactions
app.post("/transactions", async (req, res) => {
const transaction = req.body;
const result = await transactionCollection.insertOne(transaction);
res.json(result);
});
//UPDATE API - transactions status
app.put("/transactions/:id", async (req, res) => {
const transaction = req.body;
const options = { upsert: true };
const updatedPayment = { _id: ObjectId(req.params.id) };
const updatedPaymentStatus = {
$set: {
payment: transaction.payment,
},
};
const result = await transactionCollection.updateOne(
updatedPayment,
updatedPaymentStatus,
options
);
res.json(result);
});
// //Get: single transaction
app.get("/transactions/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const cursor = await transactionCollection.findOne(query);
res.send(cursor);
});
//Remove : transaction
app.delete("/transactions/:id", async (req, res) => {
const deletedTransaction = await transactionCollection.deleteOne({
_id: ObjectId(req.params.id),
});
res.json(deletedTransaction);
});
/* ========================= Transaction Collection End ======================= */
/* ========================= Loans Collection Start ======================= */
// POST : loans
app.post("/loans", async (req, res) => {
const pic = req.files?.img;
const picData = pic?.data;
const encodedPic = picData?.toString("base64");
const imageBuffer = Buffer?.from(encodedPic, "base64");
const { amount, details, duration, status } = req.body;
const newLoan = { amount: parseInt(amount), details, duration: parseInt(duration), status, img: imageBuffer };
const result = await loansCollection.insertOne(newLoan);
res.json(result);
});
//GET : loans
app.get("/loans", async (req, res) => {
const result = await loansCollection.find({}).toArray();
res.json(result);
});
//Delete Single Loan by ID
app.delete("/loans/:id", async (req, res) => {
const deletedLoans = await loansCollection.deleteOne({
_id: ObjectId(req.params.id),
});
res.json(deletedLoans);
});
//UPDATE API - loans status
app.put("/loans/:id", async (req, res) => {
const loan = req.body;
const options = { upsert: true };
const approvedLoan = { _id: ObjectId(req.params.id) };
const approvedLoanStatus = {
$set: {
status: loan.status,
},
};
const result = await transactionCollection.updateOne(
approvedLoan,
approvedLoanStatus,
options
);
res.json(result);
});
/* ========================= Loans Collection End ======================= */
} finally {
// client.close();
}
}
run().catch(console.dir);
app.get("/", (req, res) => {
res.send("<h1>Smart Shop POS server is running ...</h1>");
});
app.listen(port, (req, res) => {
console.log("Smart Shop POS server is listning at port", port);
});