Increase products after advance date

server/db/database.js

@@ -5,10 +5,14 @@ export const DB_USER_ERROR = 'USER';
 
 let currentDate = (new Date()).toISOString().slice(0, 10);
 
-export async function getCurrentDate() {
+export function getCurrentDate() {
     return currentDate;
 }
 
+function Random_Increase() {
+    return Math.floor(Math.random() * 5) + 1;
+}
+
 export async function setCurrentDate(newDate) {
     currentDate = newDate;
     console.log(`📅 Date changed to: ${currentDate}`);
@@ -62,6 +66,24 @@ export default class DBAdapter {
         console.log("DISCONNECT");
     }
 
+    async stock(){
+        try {
+            const products = await this.#dbClient.query('SELECT id FROM products');
+            for (const product of products) {
+                const increment = Random_Increase();
+                await this.#dbClient.query('UPDATE products SET quantity = quantity + ? WHERE id = ?', [
+                    increment,
+                    product.id
+                ]);
+            }            
+        } catch (err){
+            return Promise.reject({
+                type: err
+            }
+            );
+        }
+    }
+
     async getProducts() {
         try {
             const products = await this.#dbClient.query('SELECT * FROM products ORDER BY name');

server/server.js

@@ -16,7 +16,7 @@ const {
     PASSWORD
 } = process.env;
 
-const appPort = Number(PORT) || 3000;
+const appPort = 3000;
 
 const app = express();
 app.use(express.json());
@@ -35,12 +35,8 @@ function AddDays(dateString, days) {
     return date.toISOString().slice(0, 10);
 }
 
-function Random_Increase() {
-    return Math.floor(Math.random() * 5) + 1;
-}
-
 app.get('/api/current-date', async (req, res) => {
-    let currentDate = await getCurrentDate();
+    let currentDate = getCurrentDate();
     res.json({ currentDate });
 });
 
@@ -70,13 +66,15 @@ app.get('/api/products', async(req, res) => {
 });
 
 app.post('/api/current-date/advance', async (req, res) => {
-    let currentDate = await getCurrentDate();
+    let currentDate = getCurrentDate();
     try {
         const raw_ids = await adapter.getOrdersByDate(currentDate);
+        if (raw_ids && raw_ids.length > 0) {
             const ids = raw_ids.map(item => item.id);
             await adapter.clearOrders(ids);
-
+        }
         let nextDate = AddDays(currentDate, 1);
+        await adapter.stock();
         await setCurrentDate(nextDate);
         res.json({ currentDate: nextDate });
     } catch (err){
@@ -84,7 +82,7 @@ app.post('/api/current-date/advance', async (req, res) => {
         res.message = "WHOOPS";
         res.json({
             timeStamp: new Date().toISOString(),
-            statusCode: 500,
+            statusCode: res.statusCode,
             error : `${err}`
         })
     }