/// <summary>
/// Reads the users from the file async
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static async Task <List <User> > GetUsersAsync(string path)
{
using (_userEngineAsync.BeginReadFile(path))
{
List <Task <User> > tasks = new List <Task <User> >();
UsersFactory factory = new UsersFactory();
foreach (var i in _userEngineAsync)
{
tasks.Add(Task.Run(() => factory.CreateUser(i.ID, i.FirstName, i.LastName, i.Email, i.Gender, i.Country, i.City, i.Street, i.PhoneNumber)));
}
_userEngineAsync.Close();
return(new List <User>(await Task.WhenAll(tasks)));
}
}
/// <summary>
/// Adds a new user to the list and opens the editing window to update it's information
/// </summary>
private void AddUserToList()
{
UsersFactory factory = new UsersFactory();
var usersCollection = new ObservableCollection <User>()
{
factory.CreateUser(CalculateID())
};
EditUserWindow editUserWindow = new EditUserWindow(usersCollection, true);
editUserWindow.ShowDialog();
if ((bool)editUserWindow.DialogResult) //Check if the resault from the window is ture if so add the user to the list
{
UserList.Add(editUserWindow.ViewModel.UsersToEdit[0]);
ChangesToList = true;
}
}
/// <summary>
/// Gets the user list from a csv file
/// </summary>
/// <param name="path">The path to the file</param>
/// <returns>list of users</returns>
public static List <User> GetUsers(string path)
{
try
{
var records = _userEngine.ReadFile(path);
List <User> userlist = new List <User>();
UsersFactory factory = new UsersFactory();
foreach (UserEngine user in records)
{
userlist.Add(factory.CreateUser(user.ID, user.FirstName, user.LastName, user.Email, user.Gender, user.Country, user.City, user.Street, user.PhoneNumber));
}
return(userlist);
}
catch (ArgumentException e)
{
throw new ArgumentException(e.Message);
}
}
/// <summary>
/// Method used for opening the edit user dialog used to edit selected items from an observable collection given
/// </summary>
/// <param name="obj"></param>
private void EditUser(IList <object> obj)
{
var factory = new UsersFactory();
List <User> temp = new List <User>();
foreach (var item in obj)
{
temp.Add(item as User);
}
//Creat copies of the selected items list
ObservableCollection <User> usersToEdit = new ObservableCollection <User>(temp.ConvertAll(user => factory.CreateUser(user)));
ObservableCollection <User> copyForLater = new ObservableCollection <User>(temp.ConvertAll(user => factory.CreateUser(user)));
EditUserWindow window = new EditUserWindow(usersToEdit, false);
if (window.ShowDialog() == true)
{
foreach (var item in copyForLater)
{
UserList.Remove(item);
}
foreach (var item in window.ViewModel.UsersToEdit)
{
UserList.Add(item);
}
UserList = new ObservableCollection <User>(UserList.OrderBy(i => i)); //sort the list in order to place the new user in correct index
UserListView = (ListCollectionView)CollectionViewSource.GetDefaultView(UserList); // refresh the collection view to allow sorting and filtering
ChangesToList = true;
}
}