/// <summary>
/// update an user information in the file
/// </summary>
/// <param name="oldUser"></param>
/// <param name="newUser"></param>
public void UpdateInformation(User oldUser, User newUser)
{
//read the original txt
List <User> listOfOldUser = UserDataMangement.ReadUserDA();
List <User> listOfNewUser = new List <User>();
//update the line
foreach (User aUser in listOfOldUser)
{
if (aUser.empId == newUser.empId)
{
listOfNewUser.Add(newUser);
}
else
{
listOfNewUser.Add(aUser);
}
}
//delete file
UserDataMangement.DeleteUserFile();
//save a new list
foreach (User aNewUser in listOfNewUser)
{
UserDataMangement.WriteUserDA(aNewUser);
}
}
/// <summary>
/// delete an user in the file
/// </summary>
/// <param name="user"></param>
public void DeleteInformation(User user)
{
//read the original txt
List <User> listOfOldUser = UserDataMangement.ReadUserDA();
List <User> listOfNewUser = new List <User>();
//delete the line
foreach (User aUser in listOfOldUser)
{
if (!aUser.Equals(user))
{
listOfNewUser.Add(aUser);
}
}
//delete file
UserDataMangement.DeleteUserFile();
//save a new list
foreach (User newUser in listOfNewUser)
{
UserDataMangement.WriteUserDA(newUser);
}
}
//implemtment the interface
/// <summary>
/// save an employee to file
/// </summary>
/// <param name="emp"></param>
public void SaveInformation(Employee emp)
{
EmployeeDataMangement.WriteEmployeeDA(emp);
CreateUser(); //create user information, composition relationship
UserDataMangement.WriteUserDA(aUser);
}
//implemtment the interface
/// <summary>
/// save an user to file
/// </summary>
/// <param name="user"></param>
public void SaveInformation(User user)
{
UserDataMangement.WriteUserDA(user);
}
