public async Task <ActionResult> ChangeCulture(ChangeCultureViewModel model)
{
model.CheckCultureAndTimeZone(ModelState);
if (!ModelState.IsValid)
{
return(View(model));
}
var user = await UserManager.FindByIdAsync(User.Identity.GetUserId());
if (user != null)
{
user.UiCulture = model.UiCulture;
user.TimeZone = model.TimeZone;
var result = await UserManager.UpdateAsync(user);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent : true, rememberBrowser : true);
return(RedirectToAction("Index", new { Message = ManageMessageId.ChangeCultureSuccess }));
}
AddErrors(result);
}
// If we got this far, something failed, redisplay form
return(View(model));
}
public ActionResult ChangeCulture()
{
var user = User.Identity as ClaimsIdentity;
var model = new ChangeCultureViewModel
{
UiCulture = user.GetUiCulture().Name,
TimeZone = user.GetTimeZone().Id
};
return(View(model));
}
public static void CheckCultureAndTimeZone(this ChangeCultureViewModel model, ModelStateDictionary modelState)
{
if (GetAllCultures().All(c => c.Name != model.UiCulture))
{
modelState.AddModelError("UiCulture", "invalid culture");
}
if (TimeZoneInfo.GetSystemTimeZones().All(t => t.Id != model.TimeZone))
{
modelState.AddModelError("TimeZone", "invalid timeZone");
}
}
