farm.cpp

#include "farm.h"
// constructor
Farm::Farm() {
	// initialize the farm's attributes
	name = new char[1];
	strcpy(name, ""); // initialize to empty string
	location = new char[1];
	strcpy(location, ""); // initialize to empty string
	rating = -1;
	numProducts = 0;
	for (int i = 0; i < 12; i++) {
		products[i] = -1; // initialize to -1 to indicate no product codes
	}
}
// destructor
Farm::~Farm() {
	name = nullptr; // deallocate name
	location = nullptr; // deallocate location
}

// assignment operator
Farm& Farm::operator=(const Farm& farmToCopy) {
	if (this != &farmToCopy) { // check for self-assignment
		setName(farmToCopy.name); // set the name
		setLocation(farmToCopy.location); // set the location
		rating = farmToCopy.rating;
		numProducts = farmToCopy.numProducts;
		for (int i = 0; i < numProducts; i++) {
			products[i] = farmToCopy.products[i];
		}
	}
	// print the farm's attributes after assignment for confirmation
	return *this; // return the current object
} // assignment operator

void Farm::setLocation(char const loc[]) { 
	if (location) {
		// if location already exists, delete it to prevent memory leak
		delete[] location;
	}
	location = new char[strlen(loc) + 1]; 
	strcpy(location, loc); 
} // sets the farm's location

void Farm::setName(char const farmName[]) { 
	if (name) {
		// if name already exists, delete it to prevent memory leak
		delete[] name;
	}
	name = new char[strlen(farmName) + 1]; 
	strcpy(name, farmName);
} // sets the farm's name

// this function prints a farm's attributes seperated by \t tab
void Farm::printFarm() {
	cout << left << setw(25) << name << setw(15) << location << setw(9) << rating;
	cout << left << setw(13) << numProducts;
	for (int i = 0; i < numProducts; i++) {
		if (i != 0) {
			cout << ", ";
		}
		cout << productNames[products[i] - 1];
	}
	cout << endl;
}

// this function prints the produce names that correlate with the product codes.
void Farm::printProduceCodes() {
	cout << "Produce Codes:" << endl;
	for (int i = 0; i < 12; i++) {
		cout << "\t" << i + 1 << ") " << productNames[i] << endl;
	}
}

// this function reads a farm's attributes from the user, called by addFarm
void Farm::readToFarm() {
	// create input variables
	char nameInput[MAX_CHAR];
	char locationInput[MAX_CHAR];
	// deallocate old name and location to prevent memory leak
	delete[] name;
	delete[] location;
	// farm name input
	cout << "Enter Farm Name: ";
	cin.getline(nameInput, MAX_CHAR, '\n');
	name = new char[strlen(nameInput) + 1]; // allocate memory for name
	strcpy(name, nameInput); // copy the input to the farm's name
	//location input
	cout << "Enter Location: ";
	cin.getline(locationInput, MAX_CHAR, '\n');
	location = new char[strlen(locationInput) + 1]; // allocate memory for location
	strcpy(location, locationInput); // copy the input to the farm's location
	//rating
	cout << "Enter the rating of the farm (1-5): ";
	cin >> rating;
	while (!cin || rating < 1 || rating > 5) {
		cin.clear();
		cin.ignore(100, '\n');
		cout << "Invalid input!! Please enter a valid rating 1-5: ";
		cin >> rating;
	}
	//numProducts
	cout << "Enter Number of Products(1-12): ";
	cin >> numProducts;
	while (!cin || numProducts < 1 || numProducts > 12) {
		cin.clear();
		cin.ignore(100, '\n');
		cout << "Invalid input!! Please enter a valid number of products (1-12): ";
		cin >> numProducts;
	}
	printProduceCodes();
	// Product codes for the products that the farm makes
	for (int i = 0; i < numProducts; i++) {
		cout << "Enter code for product" << i + 1 << ": ";
		cin >> products[i];
		while (!cin || products[i] < 1 || products[i] > 12) {
			cin.clear();
			cin.ignore(100, '\n');
			cout << "Invalid input!! Please enter a valid product code 1-12" << endl;
			cout << "Enter code for product " << i + 1 << ": ";
			cin >> products[i];
		}
	}
}