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FileName.cpp

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+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <string>
+#include <sstream>
+#include <windows.h>
+#include <limits>
+using namespace std;
+
+
+class User {		// Product class declaration with public variables
+public:		//Product order number in the menu
+	string name, password, date;
+	double number{};//Product name and manufacturing date		//Product price
+};
+
+vector<string> split(string str, char delimeter) {		//Function to split rows in txt file
+	vector<string> result;
+	stringstream ss(str);
+	string item;
+	while (getline(ss, item, delimeter))
+	{
+		result.push_back(item);
+	}
+	return result;
+}
+
+
+void show_menu(vector<User>& menu) {		//Function to write out menu file content in console
+	cout << "\nVending machine menu: ";
+	for (User i : menu)
+	{
+		cout << "\n\nUser number: " << i.number
+			<< "\nUser name: " << i.name;
+	}
+}
+/*
+void fill_menu(vector<Product>& menu) {		//Function to fill menu vector with products objects
+	ifstream myfile;
+	myfile.open("menu.txt");
+	string data;
+	vector<string> row;
+	if (myfile.is_open())
+	{
+		while (myfile)
+		{
+			getline(myfile, data);
+			row = split(data, ',');		//Splitting text in menu.txt file
+			if (row.size() > 1)
+			{
+				Product product;
+				product.number = stoi(row[0]);
+				product.name = row[1];
+				product.date = row[2];
+				product.price = stod(row[3]);
+				menu.push_back(product);
+			}
+		}
+	}
+	else
+	{
+		cout << "Error: couldnt open menu file\n";
+	}
+	myfile.close();
+}
+*/
+void add_user(vector<User>& menu) {		//Function to add user
+	cout << "Adding new User\n";
+	string name, password;
+	int	last_product_number{};
+
+	cout << "\nEnter new user name: ";
+	cin >> name;
+	cout << "\nEnter new user password: ";
+	cin >> password;
+
+	User user;		//Declaring an object
+
+	last_product_number = menu[menu.size() - 1].number;		//Getting last user number by its size
+
+	user.number = last_product_number + 1;
+	user.name = name;
+	user.password = password;
+	menu.push_back(user);
+
+	cout << "\nNew User have been succesfully added to the list";
+}
+
+void edit_user(vector<User>& menu) {		//Function to edit user details 
+	
+	show_menu(menu);
+	cout << "Editing user\n";
+	cout << "\nEnter number of user you want to edit: ";
+	int number;
+	cin >> number;
+
+	for (int i = 0; i < menu.size(); i++)
+	{
+		if (menu[i].number == number)
+		{
+			cout << "\n\nUser number: " << number		//Program write current details about the user he want to edit to console
+				<< "\nCurrent user name: " << menu[i].name
+				<< "\nCurrent product password: " << menu[i].password;
+
+			cout << "\n\nEnter new name for user: ";
+			cin >> menu[i].name;							//entering new user details
+			cout << "\nEnter new password for user: ";
+			cin >> menu[i].password;			
+		}
+		else if (number > menu.size() || number < 0)
+		{
+			cout << "\n\nInvalid user number!\n";
+			break;
+		}
+	}
+
+}
+
+void remove_user(vector<User>& menu) {		//Function to remove User from the menu	
+	int choice = MessageBox(0, (LPCWSTR)L"Are you sure that you want to remove a User from the menu?", (LPCWSTR)L"Confirmation", MB_YESNO | MB_ICONQUESTION);
+	if (choice == IDYES)
+	{
+		show_menu(menu);
+		cout << "Enter number of User to remove: ";
+		int number;
+		cin >> number;
+		for (int i = 0; i < menu.size(); i++)
+		{
+			if (menu[i].number == number)
+			{
+				menu.erase(menu.begin() + i);		//Delete the row with the User from the menu 
+				cout << "\nUser is deleted from the menu!\n";
+			}
+			else if (number > menu.size() || number < 0)
+			{
+				cout << "\n\nInvalid User number!\n";
+				break;
+			}
+		}
+	}
+	else {
+		return;
+	}
+}
+
+void addRecord(vector<User>& menu) {			//Function to add financial record
+	int counter = 0, answer = 1;
+	double revenue = 0, loss = 0;
+	vector<string> records_name;
+	vector<double> records_price;
+	fstream myfile("records.txt", ios::app);
+	
+	
+	/*
+		cout << "Enter date (YYYY-MM-DD): ";
+		cin >> menu.date;
+		cout << "Enter revenue: ";
+		cin >> record.revenue;
+		cout << "Enter profit: ";
+		cin >> record.profit;
+		*/
+	myfile.close();
+}
+
+void records_report() {		//Writing records info from the records.txt file
+	string line;
+	ifstream myfile("records.txt");		//Reading from the file
+	while (getline(myfile, line)) {
+		cout << "\n" << line;
+	}
+	myfile.close();
+}
+
+void add_edit_remove_menu(vector<User>& menu) {				//Function to display add/menu/remove menu from workers menu
+	int answer;
+	cout << "\n\nInventory configuration menu\n\n1. Add User\n2. Edit User\n3. Remove User\n4. Return to worker menu\n\nEnter your option and press return: ";
+	cin >> answer;
+	switch (answer)
+	{
+	case 1:
+		add_user(menu);
+		break;
+	case 2:
+		edit_user(menu);
+		break;
+	case 3:
+		remove_user(menu);
+		break;
+	case 4:
+		return;
+	default:		//Handling not valid and non numeric input
+		cin.clear();
+		cin.ignore(9999, '\n');
+		cout << "\nPlease enter valid option!\n";
+		break;
+	}
+}
+
+void client_menu(vector<User>& menu) {		//Function to display users menu
+	int answer;
+	cout << "\nClient menu\n\n1. Add Record\n2. Back to main menu\n\nEnter your option and press return: ";
+	cin >> answer;
+	switch (answer) {
+	case 1:
+		addRecord(menu);
+		break;
+	case 2:
+		return;
+	default:		//Handling not valid and non numeric input
+		cin.clear();
+		cin.ignore(9999, '\n');
+		cout << "\nPlease enter valid option!\n";
+		break;
+	}
+}
+
+void user_menu(vector<User>& menu) {		//Function to display workers menu
+	while (true) {
+		int answer;
+		cout << "\nWorker menu\n\n1. Check records history\n2. Add/Edit/Remove record\n3. Show menu\n4. Back to main menu\nEnter your option and press return: ";
+		cin >> answer;
+
+		switch (answer)
+		{
+		case 1:
+			records_report();
+			break;
+		case 2:
+			add_edit_remove_menu(menu);
+			break;
+		case 3:
+			show_menu(menu);
+			break;
+		case 4:
+			return;
+		default:		//Handling not valid and non numeric input
+			cin.clear();
+			cin.ignore(9999, '\n');
+			cout << "\nPlease enter valid option!\n";
+			break;
+		}
+	}
+}
+
+void worker_menu_access(vector<User>& menu) {		//Function asks password (1234) from an user to access the worker menu or 0 to return back
+	int access_code = 0;
+	do {
+		cout << "\n\nEnter code to gain access to the worker menu or 0 to return back (format: 0000): ";
+		cin >> access_code;
+		if (access_code == 1234 && to_string(access_code).length() == 4) {
+			user_menu(menu);
+			break;
+		}
+		else if (access_code != 1234 && access_code != 0 || to_string(access_code).length() != 4 && access_code != 0) {
+			cout << "\nIncorrect password or wrong format ";
+		}
+		else if (access_code == 0) {
+			return;
+		}
+		else if (cin.eof()) {
+			cin.clear();
+			cin.ignore(9999, '\n');
+			cout << "\nPlease enter valid option!\n";
+			break;
+		}
+	} while (access_code != 1234 || access_code != 0);
+}
+
+
+int main() {
+	vector<User> menu;
+	int answer = 0;
+	//fill_menu(menu);
+	ofstream myfile("records.txt", ios::app);		//Creating bills text file
+	myfile.close();
+	do {
+		cout << "\n\Accounting software\n\n1. Create new user\n2. Log in user\n3. Exit\n\nEnter your option and press return: ";
+		cin >> answer;
+		switch (answer)
+		{
+		case 1:
+			client_menu(menu);
+			break;
+		case 2:
+			worker_menu_access(menu);
+			break;
+		case 3:
+			exit(0);
+		default:			//Handling not valid and non numeric input
+			cin.clear();
+			cin.ignore(9999, '\n');
+			cout << "\nPlease enter valid option!\n";
+			break;
+
+		}
+	} while (answer != 3);
+	myfile.close();
+	return 0;
+}