Programming Project 6(C++, the textbook solution is not correct.) In this projec

Question

Programming Project 6(C++, the textbook solution is not correct.)

In this project you are to create a database of books that are stored using a vector. Keep track of the author, title, and publication date of each book. You program should have a main menu that allows the user to select from the following: (1) Add a book’s author, title, and date; (2) Print an alphabetical list of the books sorted by author; and (3) Quit.

You must use a class to hold the data for each book. This class must hold three string fields: one to hold the author’s name, one for the publication date, and another to hold the book’s title. Store the entire database of books in a vector in which each vector element is a book class object.

To sort the data, use the generic sort function from the <algorithm> library. Note that this requires you to define the < operator to compare two objects of type Book so that the author field from the two books are compared.

A sample of the input/output behavior might look as follows. Your I/O need not look identical, this is just to give you an idea of the functionality.

Select from the following choices:

1. Add new book

2. Print listing sorted by author

3. Quit

1

Enter title:

More Than Human

Enter author:

Sturgeon, Theodore

Enter data:

1953

Select from the following choices:

1. Add new book

2. Print listing sorted by author

3. Quit

1

Enter title:

Problem Solving with C++

Enter author:

Savitch, Walter

Enter date:

2015

Select from the following choices:

1. Add new book

2. Print listing sorted by author

3. Quit

2

The books entered so far, sorted alphabetically by author are:

Savitch, Walter. Problem Solving with C++. 2015.

Sturgeon, Theodore. More Than Human. 1953.

Select from the following choices:

1. Add new book

2. Print listing sorted by author

3. Quit

1

Enter title:

At Home in the Universe

Enter author:

Kauffman

Enter date

1996

Select from the following choices:

1. Add new book

2. Print listing sorted by author

3. Quit

2

The books entered so far, sorted alphabetically by author are:

Kauffman. At Home in the Universe. 1996.

Savitch, Walter. Problem Solving with C++. 2015.

Sturgeon, Theodore. More Than Human. 1953.

Explanation / Answer

PROGRAM CODE:

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

class Book
{
   private:
   string title;
   string author;
   string publicationDate;
  
   public:
       Book(string b_title, string b_author, string b_date)
       {
           title = b_title;
           author = b_author;
           publicationDate = b_date;
       }
       string getTitle()
       {
           return title;
       }
       string getAuthor()
       {
           return author;
       }
       string getpublicationDate()
       {
           return publicationDate;
       }
       bool operator <(const Book& b) {
           if(author<b.author)
               return true;
               else return false;
       }
       string getDetails()
       {
           return title + ". " + author + ". " + publicationDate + ".";
       }
};
int main() {
   int choice;
   vector<Book> books;
   while(true)
   {
       cout<<"Select from the following choices: 1. Add new book 2. Print listing sorted by author";
       cout<<" 3. Quit ";
       cin>>choice;
       if(choice == 1)
       {
           string title, date, author;
           cout<<"Enter title: ";
           cin>>title;
           cout<<"Enter author: ";
           cin>>author;
           cout<<"Enter date: ";
           cin>>date;
           Book b1(title, author, date);
           books.push_back(b1);
       }
       else if(choice == 2)
       {
           cout<<" The books entered so far, sorted alphabetically by author are: ";
           sort (books.begin(), books.end());
           for(int i=0; i<books.size(); i++)
               cout<<books[i].getDetails()<<endl;
       }
       else break;
   }
  
  
   return 0;
}

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