public async Task NavigateBackAsync(CancellationToken token, params KeyValuePair <string, object>[] parameters)
{
await UpdateAuthorizationAsync(token);
var currentPage = _navigationProvider.GetNavigation().CurrentPage();
if (!IsAuthorized() && IsAuthorizedNavigation(currentPage.GetType(), out var alternativeTag))
{
await _navigationService.NavigateToRootAsync(token, parameters);
await _navigationService.NavigateWithReplaceAsync(alternativeTag, token, parameters);
}
else
{
await _navigationService.NavigateBackAsync(token, parameters);
}
}
public async Task <UserMenu> GetMenuAsync()
{
if (!_ancSession.UserId.HasValue)
{
throw new AncAuthorizationException("请登陆");
}
var permissions = await _permissionService.GetAllPermissionsAsync(_ancSession.UserId.Value);
MenuDefinition menuDefinition = NavigationProvider.GetNavigation();
UserMenu userMenu = new UserMenu(menuDefinition);
CheckPermission(permissions, menuDefinition.Items, userMenu.Items);
return(userMenu);
}