implement database persistence layer and core restaurant backend logic

src/main/java/dev/model/OrderDetail.java

@@ -3,13 +3,35 @@ package dev.model;
 public class OrderDetail {
 
     private int id;
-
     private int orderId;
-
     private int menuItemId;
-
     private int quantity;
-
     private double price;
 
+    public OrderDetail() {
+    }
+
+    public OrderDetail(int id, int orderId, int menuItemId, int quantity, double price) {
+        this.id = id;
+        this.orderId = orderId;
+        this.menuItemId = menuItemId;
+        this.quantity = quantity;
+        this.price = price;
+    }
+
+    // گترها و سترها
+    public int getId() { return id; }
+    public void setId(int id) { this.id = id; }
+
+    public int getOrderId() { return orderId; }
+    public void setOrderId(int orderId) { this.orderId = orderId; }
+
+    public int getMenuItemId() { return menuItemId; }
+    public void setMenuItemId(int menuItemId) { this.menuItemId = menuItemId; }
+
+    public int getQuantity() { return quantity; }
+    public void setQuantity(int quantity) { this.quantity = quantity; }
+
+    public double getPrice() { return price; }
+    public void setPrice(double price) { this.price = price; }
 }