/// <summary>
/// update an employee information in the file
/// </summary>
/// <param name="oldEmp"></param>
/// <param name="newEmp"></param>
public void UpdateInformation(Employee oldEmp, Employee newEmp)
{
//only update employee file
//read the original txt
List <Employee> listOfOldEmployee = EmployeeDataMangement.ReadEmployeeDA();
List <Employee> listOfNewEmployee = new List <Employee>();
//update the line
foreach (Employee anEmployee in listOfOldEmployee)
{
if (anEmployee.Equals(newEmp))
{
listOfNewEmployee.Add(newEmp);
}
else
{
listOfNewEmployee.Add(anEmployee);
}
}
//delete file
EmployeeDataMangement.DeleteEmployeeFile();
//save a new list
foreach (Employee aNewEmployee in listOfNewEmployee)
{
EmployeeDataMangement.WriteEmployeeDA(aNewEmployee);
}
}
/// <summary>
/// read employee informations from file
/// </summary>
/// <returns>list of employee</returns>
public List <Employee> ReadInformation()
{
//throw new NotImplementedException();
List <Employee> listOfEmployees = EmployeeDataMangement.ReadEmployeeDA();
return(listOfEmployees);
}
/// <summary>
/// search employee information according to object emp
/// </summary>
/// <param name="emp"></param>
/// <returns>list of employee</returns>
public List <Employee> SearchInformation(Employee emp)
{
//read the original txt
List <Employee> listOfEmployee = EmployeeDataMangement.ReadEmployeeDA();
List <Employee> listOfFound = new List <Employee>();
//add to found list
foreach (Employee anEmployee in listOfEmployee)
{
if ((emp.empId != "") && (anEmployee.empId == emp.empId))
{
listOfFound.Add(anEmployee);
break;
}
else if ((emp.FirstName != "") && (anEmployee.FirstName == emp.FirstName))
{
listOfFound.Add(anEmployee);
}
else if ((emp.LastName != "") && (anEmployee.LastName == emp.LastName))
{
listOfFound.Add(anEmployee);
}
}
return(listOfFound);
}
/// <summary>
/// delete an employee an user associated with this employee in the file
/// </summary>
/// <param name="emp"></param>
public void DeleteInformation(Employee emp)
{
//delete the user associated with this employee
emp.aUser.DeleteInformation(emp.aUser);
//read the original txt
List <Employee> listOfOldEmployee = EmployeeDataMangement.ReadEmployeeDA();
List <Employee> listOfNewEmployee = new List <Employee>();
//delete the line
foreach (Employee anEmployee in listOfOldEmployee)
{
if (!anEmployee.Equals(emp))
{
listOfNewEmployee.Add(anEmployee);
}
}
//delete file
EmployeeDataMangement.DeleteEmployeeFile();
//save a new list
foreach (Employee newEmployee in listOfNewEmployee)
{
EmployeeDataMangement.WriteEmployeeDA(newEmployee);
}
}
/// <summary>
/// search Employee by id
/// </summary>
/// <param name="emp"></param>
/// <returns>Employee/null</returns>
public Employee GetEmployeeInformation(String empId)
{
//read the original txt
List <Employee> listOfEmployee = EmployeeDataMangement.ReadEmployeeDA();
Employee findEmployee = null;
//add to found list
foreach (Employee anEmployee in listOfEmployee)
{
if (anEmployee.empId == empId)
{
findEmployee = anEmployee;
break;
}
}
return(findEmployee);
}
//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);
}