Implementing the Customer Class We've partially defined the customer class for you in "customer.h" and provided the member variables for you for a customer : name representing the name of the Customer, product_count_ representing the number of products in the Customer's shopping cart, and next_customer representing the next Customer in line, if there is one. You are tasked with defining the constructors, accessor functions, and recursive functions. 1. Create a non-default constructor which accepts 3 parameters: a const reference to a std::string for the customer's name, an int parameter for the product count, and a shared pointer to the next customer in line. 2. Create accessor functions GetName, GetProductCount, and GetNextCustomer, which each should return the corresponding member
main.cc file
#include <iostream>
#include <memory>
#include "customer.h"
int main() {
// Creates a line of customers with Adele at the front.
// LinkedList diagram:
// Adele -> Kehlani -> Giveon -> Drake -> Ruel
std::shared_ptr<Customer> ruel =
std::make_shared<Customer>("Ruel", 5, nullptr);
std::shared_ptr<Customer> drake =
std::make_shared<Customer>("Drake", 8, ruel);
std::shared_ptr<Customer> giveon =
std::make_shared<Customer>("Giveon", 2, drake);
std::shared_ptr<Customer> kehlani =
std::make_shared<Customer>("Kehlani", 15, giveon);
std::shared_ptr<Customer> adele =
std::make_shared<Customer>("Adele", 4, kehlani);
std::cout << "Total customers waiting: ";
// =================== YOUR CODE HERE ===================
// 1. Print out the total number of customers waiting
// in line by invoking TotalCustomersInLine.
// ======================================================
std::cout << std::endl;
std::cout << "Total products to be purchased: ";
// =================== YOUR CODE HERE ===================
// 2. Print out the total number of products held by
// customers in line by invoking TotalProductsInLine.
// ======================================================
std::cout << std::endl;
std::cout << "First customer name alphabetically: ";
// =================== YOUR CODE HERE ===================
// 3. Print out the name of the customer in line whose
// name comes first alphabetically by invoking
// FirstAlphabeticalCustomerInLine.
// ======================================================
std::cout << std::endl;
return 0;
}
customer.cc file
#include "customer.h"
// ========================= YOUR CODE HERE =========================
// This implementation file (customer.cc) is where you should implement
// the member functions declared in the header (customer.h), only
// if you didn't implement them inline within customer.h.
//
// Remember to specify the name of the class with :: in this format:
// <return type> MyClassName::MyFunction() {
// ...
// }
// to tell the compiler that each function belongs to the Customer class.
// ===================================================================
customer.h file
#include <memory>
#include <string>
class Customer {
public:
// ====================== YOUR CODE HERE ======================
// 1. Define a constructor using member initializer list syntax
// according to the README.
// 2. Define the accessor functions (i.e. the getter functions)
// `GetName`, `GetProductCount`, and `GetNextCustomer`.
// You do not need to create mutator functions (setters).
// 3. Define the recursive functions specified in the README.
// ============================================================
private:
std::string name_;
int product_count_;
std::shared_ptr<Customer> next_customer_;
};
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