/api/products and /api/orders

2025-12-30 15:08:35 +03:00
parent 4e0bc9d428
commit bfde13afd0
4 changed files with 276 additions and 60 deletions
--- a/server/db/database.js
+++ b/server/db/database.js
@@ -0,0 +1,97 @@
+import mdb from "mariadb"
+
+export default class DBAdapter {
+    #dbhost = 'localhost';
+    #dbPort = 3306;
+    #dbName = 'N';
+    #dbUserLogin = 'u';
+    #dbUserPassword = 'p';
+    #dbClient = null;
+
+    constructor({
+        dbHost,
+        dbPort,
+        dbName,
+        dbUserLogin,
+        dbUserPassword
+    }) {
+        this.#dbhost = dbHost;
+        this.#dbPort = dbPort;
+        this.#dbName = dbName;
+        this.#dbUserLogin = dbUserLogin;
+        this.#dbUserPassword = dbUserPassword;
+        this.#dbClient = new mdb.createPool({
+            host: this.#dbhost,
+            port: this.#dbPort,
+            database: this.#dbName,
+            user: this.#dbUserLogin,
+            password: this.#dbUserPassword
+        });
+    }
+
+    async connect() {
+        try {
+            // Проверяем подключение, выполняя простой запрос
+            const conn = await this.#dbClient.getConnection();
+            console.log("✅ Database connection test successful");
+            conn.release();
+        } catch (err) {
+            console.error("❌ Database connection failed:", err.message);
+            // Пробрасываем ошибку дальше
+            return Promise.reject();
+        }
+    }
+
+    async disconnect() {
+        await this.#dbClient.end();
+        console.log("DISCONNECT");
+    }
+
+    async getProducts() {
+        try {
+            const products = await this.#dbClient.query('SELECT * FROM products ORDER BY name');
+            console.log("All products:", products);
+            return products;
+        } catch(err){
+            console.log(`WHOOPS`);
+            return Promise.reject();
+        }
+    }
+
+    async getOrders() {
+        try {
+            const raw_orders = await this.#dbClient.query('SELECT * FROM orders ORDER BY order_date ASC');
+            console.log("All orders:", raw_orders);
+            
+            const items = await this.#dbClient.query(
+                `SELECT order_items.*, products.name AS product_name FROM order_items
+                JOIN products ON order_items.product_id = products.id`
+            );
+            console.log("All order items:", items);
+            
+            const groupedItems = {};
+            if (items && items.length > 0) {
+                items.forEach(item => {
+                    const orderId = item.order_id;
+                    if (!groupedItems[orderId]) {
+                        groupedItems[orderId] = [];
+                    }
+                    groupedItems[orderId].push(item);
+                });
+            }
+            
+            const ordersWithItems = raw_orders.map(order => {
+                return {
+                    ...order,
+                    items: groupedItems[order.id] || []
+                };
+            });
+            
+            console.log("Orders with items:", ordersWithItems);
+            return ordersWithItems;
+        } catch(err) {
+            console.log(`WHOOPS: ${err.message}`);
+            return Promise.reject(err);
+        }
+    }
+}