public static PayrollUser CreateUser(string username, string firstname, string lastname, string role, string password)
{
PayrollUser existingUser = PayrollUser.GetUserByUsername(username);
if (existingUser != null)
{
// A user already exists with this username, these must be unique
return(null);
}
PayrollUser newUser = new PayrollUser();
newUser.username = username;
newUser.firstname = firstname;
newUser.lastname = lastname;
newUser.role = role;
if (!PayrollUser.ROLES.Contains(role.ToUpper()))
{
// We were passed an invalid role
return(null);
}
newUser.CreatePassword(password);
newUser.Save();
return(newUser);
}
public static Manager GetManagerFromUser(PayrollUser user)
{
if (user.role.ToUpper() != "MANAGER")
{
return(null);
}
Manager manager = new Manager();
int id = 0;
int index = manager.GetUsernameIndex();
string[] managerRows = FileReader.GetData(Manager.payrollFile);
foreach (string employeeRow in managerRows)
{
string[] dataArray = employeeRow.Split(Manager.separator);
if (dataArray[index] != user.username)
{
++id;
continue;
}
// If we get here we have a match
Type type = manager.GetType();
for (int i = 0, count = manager.FORMAT.Count; i < count; ++i)
{
string paramString = manager.FORMAT[i];
PropertyInfo property = type.GetProperty(paramString);
property.SetValue(manager, dataArray[i]);
}
manager.id = id;
return(manager);
}
return(null);
}
public static PayrollUser GetUserByUsername(string username)
{
PayrollUser user = new PayrollUser();
string[] userCollection = FileReader.GetData(PayrollUser.userFile);
if (userCollection == null)
{
return(null);
}
int id = 0;
int index = user.GetUsernameIndex();
foreach (string userRow in userCollection)
{
List <string> userProps = new List <string>(userRow.Split(PayrollUser.separator).ToList <string>());
if (userProps[index] != username)
{
++id;
continue;
}
// We matched on the username, now we set properties on our object
Type type = user.GetType();
for (int i = 0, count = userProps.Count; i < count; ++i)
{
string paramString = user.FORMAT[i];
PropertyInfo param = type.GetProperty(paramString);
param.SetValue(user, userProps[i]);
}
user.id = id;
return(user);
}
return(null);
}
public static Contractor GetContractorFromUser(PayrollUser user)
{
if (user.role.ToUpper() != "CONTRACTOR")
{
return(null);
}
Contractor employee = new Contractor();
int id = 0;
int index = employee.GetUsernameIndex();
string[] employeeRows = FileReader.GetData(Employee.payrollFile);
foreach (string employeeRow in employeeRows)
{
string[] dataArray = employeeRow.Split(Employee.separator);
if (dataArray[index] != user.username)
{
++id;
continue;
}
// If we get here we have a match
Type type = employee.GetType();
for (int i = 0, count = employee.FORMAT.Count; i < count; ++i)
{
string paramString = employee.FORMAT[i];
PropertyInfo property = type.GetProperty(paramString);
property.SetValue(employee, dataArray[i]);
}
employee.id = id;
return(employee);
}
return(null);
}
static void Main(string[] args)
{
if (args.Count() > 0)
{
// There are command line arguments, we use these to create a user
// Ensure there is enough information to create a user
if (args.Count() != 5)
{
Console.WriteLine("Not enough arguments provided.");
return;
}
string cmd_username = args[0];
string cmd_firstname = args[1];
string cmd_lastname = args[2];
string cmd_role = args[3];
string cmd_password = args[4];
PayrollUser cmd_user = PayrollUser.CreateUser(cmd_username, cmd_firstname, cmd_lastname, cmd_role, cmd_password);
if (cmd_user == null)
{
Console.WriteLine("CreateUser unexpectedly returned null after attempting to create a new user");
return;
}
Console.WriteLine($"Successfully created new user {cmd_user.username}!");
Console.ReadLine();
return;
}
if (PayrollUser.GetTotalUsers() <= 0)
{
Console.WriteLine("There are no valid users, please provide arguments to create a new user");
return;
}
// If we are here there are no command line arguments and there are valid users to load
Console.Write("Username: "******"Invalid credentials");
return;
}
if (!user.ValidatePassword(password))
{
Console.WriteLine("Invalid credentials");
return;
}
Console.Clear();
Console.WriteLine($"Welcome {user.firstname}!\n");
string currentRole = user.role.ToUpper();
bool runAgain = false;
do
{
switch (currentRole)
{
case "EMPLOYEE":
Employee employee = Employee.GetEmployeeFromUser(user);
break;
case "CONTRACTOR":
Contractor contractor = Contractor.GetContractorFromUser(user);
break;
case "MANAGER":
Manager manager = Manager.GetManagerFromUser(user);
break;
default:
break;
}
Console.WriteLine("Run again? (y/n)");
runAgain = Console.ReadLine().Trim() == "y";
}while (runAgain);
Console.ReadLine();
}
