public string isValidUser(string name, string password) // a function to check if admin exists
{
for (int i = 0; i < allUsers.Count; i++)
{
MailUser user = (MailUser)allUsers[i];
if (user.getPin() == password && user.getName() == name)
{
return("admin"); //only if admin exists
}
}
//if its not admin,check if its a user
users_manager check = users_manager.get_instance; //creating object of another class
string a = check.isValidUser(name, password); //calling a function of class (line99)
return(a); //returning string
}
static void Main(string[] args)
{
int option = 0;
//creating all objects of class globally
MailUser_CRUD us = MailUser_CRUD.get_instance;
users_manager manager = users_manager.get_instance;
message_manager mes = message_manager.getInstance;
while (option != 3)
{
//first screen which asks if u want to add new admin or sign him up
option = 0;
Console.Clear();
Console.WriteLine("*** Main Screen ***");
Console.WriteLine(" ");
Console.WriteLine("1: Sign in");
Console.WriteLine("2: Sign up admin");
Console.WriteLine("3: Exit");
Console.WriteLine("");
Console.WriteLine("Enter your option: ");
option = int.Parse(Console.ReadLine());
us.addUser("a", "1"); //pre defined info for admin
if (option == 1)
{
Console.Clear();
Console.WriteLine("Enter Username: "******"Enter Password: "******"admin")
{
int admin_option = 0;
while (admin_option != 3)
{
admin_option = 0;
Console.Clear();
Console.WriteLine("-- Admin menu --");
Console.WriteLine("1: Add new users");
Console.WriteLine("2: View all users");
Console.WriteLine("3: Log out");
Console.WriteLine("");
Console.WriteLine("Ener your option: ");
admin_option = int.Parse(Console.ReadLine());
if (admin_option == 1)
{
Console.Clear();
Console.WriteLine("-- Add user --");
Console.WriteLine("Enter username: "******"Enter password: "******"Following users are enrolled:");
manager.printUsers();
Console.ReadKey();
}
}
}
else if (found == "user")
{
int user_option = 0;
while (user_option != 3)
{
Console.Clear();
Console.WriteLine("--User menu--");
Console.WriteLine("1: Send message");
Console.WriteLine("2: Show received messages");
Console.WriteLine("3: Log out");
Console.WriteLine("");
Console.WriteLine("Enter your option: ");
user_option = int.Parse(Console.ReadLine());
if (user_option == 1)
{
Console.Clear();
Console.WriteLine("Send messages");
Console.WriteLine("-------------");
Console.WriteLine("Following users are available: ");
manager.printUsers();
Console.WriteLine("----------------");
Console.WriteLine("Enter receiver:");
string receiver = Console.ReadLine();
Console.WriteLine("Enter message");
string message = Console.ReadLine();
string sender = manager.get_loggedin();
mes.send_messages(sender, receiver, message);
Console.ReadKey();
}
if (user_option == 2)
{
Console.WriteLine("Following messages are received: ");
string logged_in = manager.get_loggedin();
mes.received_messages(logged_in);
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}
}
}
else
{
Console.WriteLine("user not found...");
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}
if (option == 2)
{
Console.Clear();
Console.WriteLine("* Admin sign up *");
Console.WriteLine("Enter username:"******"Enter password:"******"Press any key to continue...");
Console.ReadKey();
}
}
}
