get/post requests

server/db/database.js

@@ -1,5 +1,19 @@
 import mdb from "mariadb"
 
+export const DB_INTERNAL_ERROR = 'INTERNAL';
+export const DB_USER_ERROR = 'USER';
+
+let currentDate = (new Date()).toISOString().slice(0, 10);
+
+export async function getCurrentDate() {
+    return currentDate;
+}
+
+export async function setCurrentDate(newDate) {
+    currentDate = newDate;
+    console.log(`📅 Date changed to: ${currentDate}`);
+}
+
 export default class DBAdapter {
     #dbhost = 'localhost';
     #dbPort = 3306;
@@ -25,7 +39,8 @@ export default class DBAdapter {
             port: this.#dbPort,
             database: this.#dbName,
             user: this.#dbUserLogin,
-            password: this.#dbUserPassword
+            password: this.#dbUserPassword,
+            dateStrings: true
         });
     }
 
@@ -87,11 +102,67 @@ export default class DBAdapter {
                 };
             });
             
-            console.log("Orders with items:", ordersWithItems);
             return ordersWithItems;
         } catch(err) {
             console.log(`WHOOPS: ${err.message}`);
             return Promise.reject(err);
         }
     }
+
+    async addOrder({ id, customer_name, orderDate} ){
+        if (!customer_name || !orderDate){
+            return Promise.reject({
+                type: DB_USER_ERROR,
+                error: new Error("Empty in customer name or order date")
+            });
+        }
+        const currentDate = await getCurrentDate();
+        if (orderDate < currentDate){
+            return Promise.reject({
+                type: DB_USER_ERROR,
+                error: new Error("Invalid order date")
+            });
+        }
+        try {
+            await this.#dbClient.query('INSERT INTO orders (id, customer_name, order_date) VALUES (?, ?, ?)',
+                [id, customer_name, orderDate]
+            );
+        } catch(err){
+            return Promise.reject({
+                type: DB_INTERNAL_ERROR,
+                error: new Error("Server error")
+            });
+        }
+    }
+
+    async getOrdersByDate(date){
+        try {
+            const order_ids = await this.#dbClient.query('SELECT id FROM orders WHERE order_date = ?', [date]);
+            return order_ids;
+        } catch(err){
+            return Promise.reject();
+        }
+    }
+
+    async deleteOrdersByIds(orderIds) {
+        if (!orderIds || orderIds.length === 0) {
+            console.log("No orders to delete");
+            return;
+        }
+        
+        try {
+            const placeholders = orderIds.map(() => '?').join(',');
+            
+            const result = await this.#dbClient.query(
+                `DELETE FROM orders WHERE id IN (${placeholders})`,
+                orderIds
+            );
+            
+            console.log(`✅ Deleted ${result.affectedRows} orders with IDs:`, orderIds);
+            
+        } catch(err) {
+            console.error(`❌ Error deleting orders:`, err.message);
+            return Promise.reject();
+        }
+    }
 }