restaurant finder structured array

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

using namespace std;

struct restaurantListings {
    string restName;
    string cuisine;
    string priceRange;
    int starRating;
};

void showMenu(restaurantListings listings[]);
void readData(restaurantListings listings[]);
void nameResults(restaurantListings listings[]);
void cuisineResults(restaurantListings listings[]);
void priceRangeResults(restaurantListings listings[]);
void starRatingResults(restaurantListings listings[]);
void showAllListings(restaurantListings listings[]);

int main()
{
    restaurantListings listings[10];

    readData(listings);
    showMenu(listings);

    return 0;
}

void readData(restaurantListings listings[])
{

    ifstream infile;
    infile.open("restaurantData.txt");

    for (int i = 0; i < 10; i++) {
        getline(infile, listings[i].restName);
        getline(infile, listings[i].cuisine);
        getline(infile, listings[i].priceRange);
        infile >> listings[i].starRating;

        //if (infile.peek() == '\n')

        infile.ignore();
    }
    infile.close();
};

void showMenu(restaurantListings listings[])
{
    int mainMenuSelection = 0;

    cout << "Welcome to the Restaurant Finder!";
    cout << "\nDisplayed as: (Name / Cuisine / Price / 5-Star Rating)";
    cout << "\n1. Search by Restaurant Name.";
    cout << "\n2. Search by Cuisine Type.";
    cout << "\n3. Search by Price Range (High/Medium/Low).";
    cout << "\n4. Search by Star Rating (1-5).";
    cout << "\n5. Show all Restaurant Listings.";
    cout << endl;
    cout << endl;

    cout << "Please enter your selection: ";
    cin >> mainMenuSelection;
    cout << endl;

    if (mainMenuSelection == 1) {
        nameResults(listings);
    }
    else if (mainMenuSelection == 2) {
        cuisineResults(listings);
    }
    else if (mainMenuSelection == 3) {
        priceRangeResults(listings);
    }
    else if (mainMenuSelection == 4) {
        starRatingResults(listings);
    }
    else if (mainMenuSelection == 5) {
        showAllListings(listings);
    }
    else if (mainMenuSelection != 1 && mainMenuSelection != 2 && mainMenuSelection != 3 && mainMenuSelection != 4 && mainMenuSelection != 5) {
        cout << "Please input a number selection of 1-5.";
        cout << endl;
        showMenu(listings);
    }
};

void nameResults(restaurantListings listings[])
{
    string listedName;
    string answer;

    cout << "Please enter the name of the restaurant you would like to find information on: ";
    cin.ignore();
    getline(cin, listedName);
    cout << endl;

    for (int i = 0; i < 10; i++) {



        if (listedName == listings[i].restName) {
            cout << "\nHere is your restaurant information: ";
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
    }

    cout << "Would you like to make another selection?: ";
    cin >> answer;
        cout << endl;


    if (answer == "Yes" || answer == "yes") {
        showMenu(listings);
    }
    else if (answer == "No" || answer == "no") {
        cout << "\nThank you and have a wonderful day!";
        cout << "\nGoodbye.";
    }
};

void cuisineResults(restaurantListings listings[])
{
    string cuisineSelection;
    string answer;

    cout << "\nPlease pick from the following Cuisine Types: ";
    cout << "\n Southern";
    cout << "\n Italian";
    cout << "\n Asian";
    cout << "\n Traditional";
    cout << "\n German";
    cout << "\n American";
    cout << "\n Mexican";
    cout << endl;
    cout << endl;

    cin >> cuisineSelection;
    cout << endl;

    for (int i = 0; i < 10; i++) {

        if ((cuisineSelection == "Southern" || cuisineSelection == "southern") && listings[i].cuisine == "Southern") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((cuisineSelection == "Italian" || cuisineSelection == "italian") && listings[i].cuisine == "Italian") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((cuisineSelection == "Asian" || cuisineSelection == "asian") && listings[i].cuisine == "Asian") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((cuisineSelection == "Traditional" || cuisineSelection == "traditional") && listings[i].cuisine == "Traditional") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((cuisineSelection == "German" || cuisineSelection == "german") && listings[i].cuisine == "German") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((cuisineSelection == "American" || cuisineSelection == "american") && listings[i].cuisine == "American") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((cuisineSelection == "Mexican" || cuisineSelection == "mexican") && listings[i].cuisine == "Mexican") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
    }
    cout << "Would you like to make another selection?: ";
    cin >> answer;
        cout << endl;


    if (answer == "Yes" || answer == "yes") {
        cuisineResults(listings);
    }
    else if (answer == "No" || answer == "no") {
        cout << "\nThank you and have a wonderful day!";
        cout << "\nGoodbye.";
    }
};

void starRatingResults(restaurantListings listings[])
{

    int starRatingSelection = 0;
    string answer;

    cout << "\nPlease Enter the Star Rating you wish to search for (1-5): ";

    cin >> starRatingSelection;
    cout << endl;

    for (int i = 0; i < 10; i++) {

        if (starRatingSelection == 1 && listings[i].starRating == 1) {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if (starRatingSelection == 2 && listings[i].starRating == 2) {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if (starRatingSelection == 3 && listings[i].starRating == 3) {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if (starRatingSelection == 4 && listings[i].starRating == 4) {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if (starRatingSelection == 5 && listings[i].starRating == 5) {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
    }

    cout << "Would you like to make another selection?: ";
    cin >> answer;
        cout << endl;

    if (answer == "Yes" || answer == "yes") {
        starRatingResults(listings);
    }
    else if (answer == "No" || answer == "no") {
        cout << "\nThank you and have a wonderful day!";
        cout << "\nGoodbye.";
    }
};

void priceRangeResults(restaurantListings listings[])
{
    string priceRangeSelection;
    string answer;

    cout << "\nPlease Enter the Price Range you wish to search for (Low/Medium/High): ";

    cin >> priceRangeSelection;
    cout << endl;

    for (int i = 0; i < 10; i++) {

        if ((priceRangeSelection == "Low" || priceRangeSelection == "low") && listings[i].priceRange == "Low") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((priceRangeSelection == "Medium" || priceRangeSelection == "medium") && listings[i].priceRange == "Medium") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
        else if ((priceRangeSelection == "High" || priceRangeSelection == "high") && listings[i].priceRange == "High") {
            cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
        }
    }
    cout << "Would you like to make another selection?: ";
    cin >> answer;
        cout << endl;

    if (answer == "Yes" || answer == "yes") {
        priceRangeResults(listings);
    }
    else if (answer == "No" || answer == "no") {
        cout << "\nThank you and have a wonderful day!";
        cout << "\nGoodbye.";
    }
};

void showAllListings(restaurantListings listings[])
{
    string answer;

    cout << "\n(Name / Cuisine / Price / 5-Star Rating)";
    cout << endl;


    for (int i = 0; i < 10; i++) {
        cout << listings[i].restName << ' ' << listings[i].cuisine << ' ' << listings[i].priceRange << ' ' << listings[i].starRating << endl;
    }

    cout << "Would you like to make another selection?: ";
    cin >> answer;
    cout << endl;
    if (answer == "Yes" || answer == "yes") {
        showMenu(listings);
    }
    else if (answer == "No" || answer == "no") {
        cout << "\nThank you and have a wonderful day!";
        cout << "\nGoodbye.";
    }
};