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reyes.cpp

#include <iostream>
#include <string>
#include <fstream>
#include <iomanip>

using namespace std;
const int N = 16;

struct Names
{
	string author;
	string title;
} people[N];

int loadData(string, int &, int &);
void showAll(int);
char menu();
void searchByName(int, string);
void searchByTitle(int, string);


int main()
{
	ofstream outFile;
	string filePath;
	int authorCount = 0, bookCount = 0;
	char option = ' ';
	string temp;

	//gets the file path from user
	cout << "Please enter the path of the text file: " << endl;
	//getline(cin, filePath);
	filePath = ("library.txt");

	//calls loadData function to load the text file
	loadData(filePath, authorCount, bookCount);
	showAll(authorCount);

	//checks the menu input
	while (1)
	{
		option = menu();
        if(toupper(option) == 'S')
			showAll(authorCount);
		else if(toupper(option) == 'A')
		{
			cout << "Please enter the name of the author you wish to find: " << endl;
            if (!std::getline(std::cin, temp))
                break;
            //cin >> temp;
			searchByName(authorCount, temp);
		}
		else if(toupper(option) == 'T')
		{
			cout << "Please enter the title of the book you wish to find: ";
			getline(cin, temp);
			searchByTitle(authorCount, temp);
		}
        else if (toupper(option) == 'Q')
            break;
	}
	return 0;
}
int loadData(string filePath, int &authorCount, int &bookCount)
{
	ifstream inFile;
	string empty;

	inFile.open(filePath);
	if(!inFile)
		return -1;
	else
	{
		while(inFile.peek() != EOF)
		{
			getline(inFile, empty);
			authorCount++;
		}
		authorCount = authorCount / 2;
		bookCount = authorCount;
		//resets file.
		inFile.clear();
		inFile.seekg(0);
		while(!inFile.eof())
		{
			for(int i = 0; i < authorCount; i++)
			{
					getline(inFile, people[i].title);
					getline(inFile, people[i].author);
			}
		}
	}
	cout << "Number of records that have been successfully loaded: " << bookCount << endl;
	inFile.close();
	return 0;
}
void showAll(int authorCount)
{
	for(int i = 0; i < authorCount; i++)
		cout << left << people[i].title << "  " << '(' << people[i].author << ')' << endl;
	cout << "Number of Records found: " << authorCount << endl;
}
char menu()
{
	char option;
    string temp;

	cout << endl << endl << "To search by author enter (A), to search by title enter (T), " 
		<< "to show all authors and books enter (S), or to quit enter (Q)" << endl << endl;
	cin >> option;
    getline(cin, temp);

	return option;
}
void searchByName(int authorCount, string temp)
{
	int number = 0;

	for(int i = 0; i < authorCount; i++)
	{
		if(temp.compare(people[i].author) == 0)
		{
			cout << left << people[i].title << "  " << '(' << people[i].author << ')' << endl;
			number++;
		}
	}
	cout << number << " Records found." << endl << endl;
}
void searchByTitle(int authorCount, string temp)
{
	int number = 0;

	for(int i = 0; i < authorCount; i++)
	{
		if(temp.compare(people[i].title) == 0)
		{
			cout << left << people[i].title << "  " << '(' << people[i].author << ')' << endl;
			number++;
		}
	}
	cout << number << " Records found." << endl << endl;
}