Game forage

[Nlaniyadav]

include

include

include

include

class Item { private: std::string name; int quantity; float price;

public: Item( std::string name, int quantity, float price ) : name{std::move(name)}, quantity{quantity}, price{price} {

}

std::string get_name() const {
    return name;
}

int get_quantity() const {
    return quantity;
}

void set_quantity(int new_quantity) {
    quantity = new_quantity;
}

float get_price() const {
    return price;
}

bool is_match(const std::string &other) {
    return name == other;
}

};

class Inventory { private: ///////////////////////////////////////////////////////////////////////////////////////////////////////////// // we'll change the item array to be a vector instead. These have bounds checking, are stored on the heap, // // can be grown or shrunk at runtime, and are just generally easier to work with. // // note that we'll be keeping track of unique pointers to items, so they are properly deallocated when // // removed from the vector // ///////////////////////////////////////////////////////////////////////////////////////////////////////////// std::vector<std::unique_ptr> items; float total_money;

// we no longer need to track item count manually, we can simply ask the vector
// int item_count;

static void display_data(Item &item) {
    std::cout << "\nItem name: " << item.get_name();
    std::cout << "\nQuantity: " << item.get_quantity();
    std::cout << "\nPrice: " << item.get_price();
}

public: Inventory() : items{}, total_money{0} {

}

void add_item() {
    std::string name;
    int quantity;
    float price;

    std::cin.ignore();
    std::cout << "\nEnter item name: ";
    std::cin >> name;
    std::cout << "Enter quantity: ";
    std::cin >> quantity;
    std::cout << "Enter price: ";
    std::cin >> price;

    items.push_back(std::make_unique<Item>(name, quantity, price));
}

void sell_item() {
    std::string item_to_check;
    std::cin.ignore();
    std::cout << "\nEnter item name: ";
    std::cin >> item_to_check;

    for (int i = 0; i < items.size(); i++) {
        if (items[i]->is_match(item_to_check)) {
            remove_item(i);
            return;
        }
    }
    std::cout << "\nThis item is not in your Inventory";
}

void remove_item(int item_index) {
    int input_quantity;
    Item &item = *items[item_index];
    std::cout << "\nEnter number of items to sell: ";
    std::cin >> input_quantity;

    int quantity = item.get_quantity();
    if (input_quantity <= quantity) {
        float price = item.get_price();
        float money_earned = price * input_quantity;
        item.set_quantity(quantity - input_quantity);

        /////////////////////////////////////////////////////////////////////////////////////////////////
        // this is where we need to make the change - simply remove the item if the quantity hits zero //
        /////////////////////////////////////////////////////////////////////////////////////////////////
        if (item.get_quantity() == 0) {
            items.erase(items.begin() + item_index);
        }

        std::cout << "\nItems sold";
        std::cout << "\nMoney received: " << money_earned;
        total_money += money_earned;
    } else {
        std::cout << "\nCannot sell more items than you have.";
    }
}

void list_items() {
    if (items.empty()) {
        std::cout << "\nInventory empty.";
        return;
    }

    for (auto &item: items) {
        display_data(*item);
        std::cout << "\n";
    }
}

};

// no need to modify anything here int main() { int choice; Inventory inventory_system; std::cout << "Welcome to the inventory!";

while (1) {
    std::cout << "\n\nMENU\n"
              << "1. Add new item\n"
              << "2. Sell item\n"
              << "3. List items\n"
              << "4. Exit\n\n"
              << "Enter your choice: ";
    std::cin >> choice;

    switch (choice) {
        case 1:
            inventory_system.add_item();
            break;

        case 2:
            inventory_system.sell_item();
            break;

        case 3:
            inventory_system.list_items();
            break;

        case 4:
            exit(0);

        default:
            std::cout << "\nInvalid choice entered";
            std::cin.clear();
            std::cin.ignore(INT_MAX, '\n');
            break;
    }
}

}