/api/products and /api/orders

server/server.js

@@ -0,0 +1,162 @@
+import express from "express";
+import randomUUID from "crypto";
+import dotenv from "dotenv"
+import DBAdapter from "./db/database.js";
+import { error, timeStamp } from "console";
+
+dotenv.config({
+    path: './server/.env'
+});
+
+const {
+    HOST,
+    PORT,
+    DATABASE,
+    USER,
+    PASSWORD
+} = process.env;
+
+const app = express();
+app.use(express.json());
+
+const adapter = new DBAdapter({
+    dbHost: HOST,
+    dbPort: PORT,
+    dbName: DATABASE,
+    dbUserLogin: USER,
+    dbUserPassword: PASSWORD
+});
+
+let currentDate = (new Date()).toISOString().slice(0, 10);
+
+async function getCurrentDate() {
+    return currentDate;
+}
+function AddDays(dateString, days) {
+    let date = new Date(dateString);
+    date.setDate(date.getDate() + days);
+    return formatDate(date);
+}
+
+function Random_Increase() {
+    return Math.floor(Math.random() * 5) + 1;
+}
+
+app.get('/api/current-date', async (req, res) => {
+    let currentDate = await getCurrentDate();
+    res.json({ currentDate });
+});
+
+app.get('/api/products', async(req, res) => {
+    try {
+        const db_products = await adapter.getProducts();
+        
+        const products = db_products.map(
+            ( {id, name, quantity} ) => ({
+                ID: id,
+                pr_name: name,
+                count: quantity
+            })
+        );
+        res.statusCode = 200;
+        res.message = "OK";
+        res.json(products);
+    } catch (err){
+        res.statusCode = 500;
+        res.message = "WHOOPS";
+        res.json({
+            timeStamp: new Date().toISOString(),
+            statusCode: 500,
+            error : `${err}`
+        })
+    }
+});
+
+app.post('/api/current-date/advance', async (req, res) => {
+    let currentDate = await getCurrentDate();
+    // TODO: select orders with current date and delete them from database
+
+    // TODO: get all products and increase with Random_Increase()
+
+    let nextDate = AddDays(currentDate, 1);
+    currentDate = nextDate;
+    res.json({ currentDate: nextDate });
+});
+
+app.get('/api/orders', async(req, res) => {
+    try {
+        const db_orders = await adapter.getOrders();
+        
+        const orders = db_orders.map(
+            ( {id, customer_name, order_date, status, total_amount, items} ) => ({
+                ID: id,
+                customer: customer_name,
+                date: order_date,
+                status: status,
+                total: total_amount,
+                items: items ? items.map(item => ({
+                    product_id: item.product_id,
+                    product_name: item.product_name || item.name,
+                    quantity: item.quantity,
+                    price: item.price
+                })) : []
+            })
+        );
+        
+        res.statusCode = 200;
+        res.message = "OK";
+        res.json(orders);
+        
+    } catch (err) {
+        res.statusCode = 500;
+        res.message = "WHOOPS";
+        res.json({
+            timeStamp: new Date().toISOString(),
+            statusCode: 500,
+            error: `${err}`
+        });
+    }
+});
+
+app.post('/api/orders', async (req, res) => {
+    let { customerName, orderDate } = req.body;
+    if (!customerName || !orderDate) {
+        return res.status(400).json({ message: 'Full name and date, please!' });
+    }
+    let currentDate = await getCurrentDate();
+    if (orderDate < currentDate) {
+        return res.status(400).json({ message: 'Date of order can\'t be more, than current!' });
+    }
+    let id = randomUUID();
+    // TODO: Insert id into orders
+
+    res.status(201).json({ id, customer_name: customerName, date: orderDate });
+});
+
+app.use((req, res) => {
+    res.status(404).json({ error: 'Invalid route' });
+});
+
+app.use((err, req, res, next) => {
+    console.error(err.stack);
+    res.status(500).json({ error: 'Something went wrong!' });
+});
+
+app.listen(3000, async() => {
+    try {
+        await adapter.connect();
+        console.log(`✅ Server running on port 3000`);
+        console.log(`📡 Local: http://localhost:3000`);
+    } catch(err){
+        console.log("Shutting down application...");
+        process.exit(100);
+    }
+});
+
+process.on('SIGTERM', () => {
+    console.log("CLOSE APP");
+    app.close( async() => {
+        await adapter.disconnect();
+        console.log("DB DISCONNECTED");
+    });
+});