Implement Controller listMenuItems() and addMenuItem()

- Implement Controller listMenuItems() and addMenuItem()
- Add m_uid to MenuItem to track unique menu item id
- Implement MenuItem getDescription() method
- Add addMenuItem() method in Restaurant Class

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/FoodDeliveryController.cpp

@@ -304,14 +304,90 @@ void FoodDeliveryController::markOrderReady()
 
 }
 
-void FoodDeliveryController::listMenuItems()
+void FoodDeliveryController::listMenuItems() const
 {
+	try
+	{
+		util::clear();
+		if (!checkAccess(m_authenticatedUser, "RestaurantOwner"))
+		{
+			return;
+		}
+		RestaurantOwner& restaurantOwner = *(std::dynamic_pointer_cast<RestaurantOwner>(m_authenticatedUser));
+		restaurants::iterator restaurantIterator = pickRestaurantFromRestaurants(restaurantOwner);
+		if (restaurantIterator != restaurantOwner.getRestaurants().end())
+		{
+			util::clear();
+			menuItems& restaurantMenuItems = restaurantIterator->second->getMenuItems();
+			if (restaurantMenuItems.empty())
+			{
+				std::cout << "Restaurant " << restaurantIterator->second->getName() << " has no Menu Items\n";
+				return;
+			}
+			std::cout << restaurantIterator->second->getName() << " Menu\n";
+			std::cout << std::left << std::setw(5) << "ID"
+				<< std::left << std::setw(25) << "Name"
+				<< std::left << std::setw(50) << "Description"
+				<< std::left << std::setw(5) << "Price"
+				<< "\n";
+			for (auto& menuItemPointer : restaurantMenuItems)
+			{
+				std::cout << std::left << std::setw(5) << menuItemPointer.second->getId()
+					<< std::left << std::setw(25) << menuItemPointer.second->getName()
+					<< std::left << std::setw(50) << menuItemPointer.second->getDescription()
+					<< std::left << std::setw(5) << menuItemPointer.second->getPrice()
+					<< "\n";
+			}
+		}
+		else
+		{
+			std::cout << "Invalid Index. Cannot display Menu Items!\n";
+			return;
+		}
+	}
+	catch (const std::exception& e)
+	{
+		std::cout << "Exception: " << e.what() << std::endl;
+	}
 
 }
 
-void FoodDeliveryController::addMenuItem()
+void FoodDeliveryController::addMenuItem() const
 {
-
+	try
+	{
+		util::clear();
+		if (!checkAccess(m_authenticatedUser, "RestaurantOwner"))
+		{
+			return;
+		}
+		RestaurantOwner& restaurantOwner = *(std::dynamic_pointer_cast<RestaurantOwner>(m_authenticatedUser));
+		restaurants::iterator restaurantIterator = pickRestaurantFromRestaurants(restaurantOwner);
+		if (restaurantIterator != restaurantOwner.getRestaurants().end())
+		{
+			util::clear();
+			std::string name, description;
+			double price;
+			std::cout << "Enter Item Name: ";
+			util::readString(name);
+			std::cout << "Enter Item Description: ";
+			util::readString(description);
+			std::cout << "Enter Item Price: ";
+			util::readValue<double>(price);
+			MenuItem menuItem(name, description, price);
+			restaurantIterator->second->addMenuItem(menuItem);
+			std::cout << "Added new Menu Item " << menuItem.getName() << " with ID " << menuItem.getId() << " to Restaurant " << restaurantIterator->second->getName() << " successfully\n";
+		}
+		else
+		{
+			std::cout << "Invalid Index. Cannot add new Menu Item!\n";
+			return;
+		}
+	}
+	catch (const std::exception& e)
+	{
+		std::cout << "Exception: " << e.what() << std::endl;
+	}
 }
 
 void FoodDeliveryController::removeMenuItem()

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/FoodDeliveryController.h

@@ -10,9 +10,11 @@ Date: 18-02-2026
 
 class User;
 class Restaurant;
+class MenuItem;
 
 using users = std::map<std::string, std::shared_ptr<User>>;
 using restaurants = std::map<int, std::shared_ptr<Restaurant>>;
+using menuItems = std::map<int, std::shared_ptr<MenuItem>>;
 
 class FoodDeliveryController
 {
@@ -29,8 +31,8 @@ public:
 	void updateRestaurantStatus() const;
 	void listRestaurantOrders();
 	void markOrderReady();
-	void listMenuItems();
-	void addMenuItem();
+	void listMenuItems() const;
+	void addMenuItem() const;
 	void removeMenuItem();
 	void listCustomerOrders();
 	void placeOrder();

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/MenuItem.cpp

@@ -6,6 +6,8 @@ Date: 18-02-2026
 #include <stdexcept>
 #include "MenuItem.h"
 
+int MenuItem::m_uid = 0;
+
 int MenuItem::getId() const
 {
 	return m_id;
@@ -17,6 +19,11 @@ std::string MenuItem::getName() const
 	return m_name;
 }
 
+std::string MenuItem::getDescription() const
+{
+	return m_description;
+}
+
 double MenuItem::getPrice() const
 {
 	return m_price;

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/MenuItem.h

@@ -9,19 +9,20 @@ Date: 18-12-2026
 class MenuItem
 {
 private:
+	static int m_uid;
 	int m_id;
 	std::string m_name;
 	std::string m_description;
 	double m_price;
 public:
 	MenuItem():
-		m_id(0),
+		m_id(++m_uid),
 		m_name(""),
 		m_description(""),
 		m_price(0)
 	{}
-	MenuItem(int id, const std::string& name, const std::string& description, double price):
-		m_id(id),
+	MenuItem(const std::string& name, const std::string& description, double price):
+		m_id(++m_uid),
 		m_name(name),
 		m_description(description),
 		m_price(price)

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/Restaurant.cpp

@@ -12,6 +12,14 @@ int Restaurant::getId() const
 	return m_id;
 }
 
+void Restaurant::addMenuItem(const MenuItem& menuItem)
+{
+	if (m_menuItems.find(menuItem.getId()) == m_menuItems.end())
+	{
+		m_menuItems[menuItem.getId()] = std::make_shared<MenuItem>(menuItem);
+	}
+}
+
 menuItems& Restaurant::getMenuItems()
 {
 	return m_menuItems;

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/Restaurant.h

@@ -34,6 +34,7 @@ public:
 		m_isOpen(true)
 	{}
 	int getId() const;
+	void addMenuItem(const MenuItem&);
 	menuItems& getMenuItems();
 	const std::string& getName() const;
 	orders& getOrders();