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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL;
using Tango.BL.Entities;
using Tango.Core;
using Tango.PPC.Common.Authentication;
namespace Tango.PPC.UI.Authentication
{
/// <summary>
/// Represents the default PPC authentication provider.
/// </summary>
/// <seealso cref="Tango.Core.ExtendedObject" />
/// <seealso cref="Tango.PPC.Common.Authentication.IAuthenticationProvider" />
public class DefaultAuthenticationProvider : ExtendedObject, IAuthenticationProvider
{
/// <summary>
/// Occurs when the current logged-in user has changed.
/// </summary>
public event EventHandler<User> CurrentUserChanged;
private User _currentUser;
/// <summary>
/// Gets the current logged-in user.
/// </summary>
public User CurrentUser
{
get { return _currentUser; }
private set
{
_currentUser = value;
RaisePropertyChangedAuto();
}
}
/// <summary>
/// Performs a user login by the specified email and password.
/// </summary>
/// <param name="email">The email.</param>
/// <param name="password">The password.</param>
/// <returns></returns>
public Task<User> Login(string email, string password)
{
return Task.Factory.StartNew(() =>
{
CurrentUser = ObservablesEntitiesAdapter.Instance.Users.SingleOrDefault(x => x.Email.ToLower() == email && x.Password == password);
CurrentUserChanged?.Invoke(this, CurrentUser);
return CurrentUser;
});
}
/// <summary>
/// Logs-out the current logged-in user.
/// </summary>
public void Logout()
{
CurrentUser = null;
CurrentUserChanged?.Invoke(this, CurrentUser);
}
}
}
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