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#include <iostream>
#include <iomanip>
#include <string>
#include <fstream>
#include "book.h"
using namespace std;
int main()
{
string last, first, title;
char input;
int bookCounter = 0, month = 0, day = 0, year = 0, counter = 1;
Book book;
Book newBook[10]; // assume no more than 10 books
fstream myFile, myFile2;
myFile2.open("CheckedOutBooks.dat", ios::in | ios::binary);
if (myFile2.is_open())
{
/*myFile2.seekg(0);*/
for (int k = 0; k < counter; k++)
{
myFile2.read(reinterpret_cast<char*> (&book), sizeof(Book));
newBook[k] = book;
if (myFile2.eof())
break;
bookCounter++;
counter++;
cout << book.getFirstName();
cout << book.getLastName();
cout << book.getTitle();
cout << book.getDueDate();
cout << endl;
}
myFile2.close();
}
else
cout << "Cannot open file." << endl;
cout << "Welcome to CS library program." << endl;
cout << "Please enter the date in integers according to the following format -\n" <<
"mm dd yyyy: ";
cin >> month >> day >> year;
cout << endl;
Date date(month, day, year);
Date due(month, day, year);
due.operator+=(14);
do
{
cout << "Please enter your one letter choice as follows:" << endl;
cout << " C: Check out a book\n";
cout << " D: Check in a book\n";
cout << " T: Print all books currently checked out\n";
cout << " Q: quit this program\n";
cin >> input;
switch(input)
{
case 'C':
case 'c':
{
cout << endl;
cout << "Please enter one line consisting the first and " <<
"last names of the author followed by the title of the book." << endl;
cin >> first >> last;
getline(cin, title);
book.setFirstName(first).setLastName(last).setTitle(title).setCheckOutDate(date).setDueDate(due);
newBook[bookCounter] = book;
bookCounter++;
}
cout << endl;
break;
case 'D':
case 'd':
{
cout << endl;
cout << "Please enter one line consisting the first and " <<
"last names of the author followed by the title of the book." << endl;
cin >> first >> last;
getline(cin, title);
Book temp;
temp.setFirstName(first).setLastName(last).setTitle(title);
for (int i = 0; i < bookCounter; i++)
{
if (newBook[i].getFirstName() == temp.getFirstName()
&& newBook[i].getLastName() == temp.getLastName()
&& newBook[i].getTitle() == temp.getTitle())
{
cout << "Found." << endl;
if (newBook[i].getDueDate().operator<(date))
{
cout << endl;
cout << "This book is overdue." << endl;
}
for (i; i < bookCounter; i++)
{
newBook[i] = newBook[i + 1];
bookCounter--;
}
}
else
cout << "Not found." << endl;
}
}
cout << endl;
break;
case 'T':
case 't':
cout << "Author" << setw(10) << "Title" << setw(30) << "Check Out Date" << setw(10) << "Due Date" << endl;
for (int i = 0; i < bookCounter; i++)
{
cout << newBook[i].getLastName() << ", " << newBook[i].getFirstName() << setw(15) << newBook[i].getTitle()
<< setw(20) << newBook[i].getCheckOutDate() << " " << newBook[i].getDueDate() << endl;
}
cout << endl;
break;
case 'Q':
case 'q':
{
myFile.open("CheckedOutBooks.dat", ios::out | ios::binary);
if (myFile.is_open())
{
for (int k = 0; k < bookCounter; k++)
{
myFile.write(reinterpret_cast<char*> (&newBook[k]), sizeof(newBook[k]));
}
myFile.close();
}
else
cout << "Cannot open file." << endl;
}
break;
default:
cout << "Invalid choice. Enter C, D, T, or Q." << endl;
cout << endl;
}
} while(!((input == 'Q') || (input == 'q')));
return 0;
}
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