/// <summary>
/// Signs the in asynchronous.
/// </summary>
/// <param name="user">The user.</param>
/// <param name="isPersistent">if set to <c>true</c> [is persistent].</param>
/// <returns></returns>
public async Task SignInAsync(ApplicationUser user, bool isPersistent)
{
_authenticationManager.SignOut(DefaultAuthenticationTypes.ExternalCookie);
ClaimsIdentity identity = await _securityManager.CreateIdentityAsync(user, DefaultAuthenticationTypes.ApplicationCookie);
_authenticationManager.SignIn(new AuthenticationProperties()
{
IsPersistent = isPersistent
}, identity);
}
