public async Task <IActionResult> GetMyActivities()
{
var user = await GetCurrentUserAsync();
var myActivities = _prepOpsDataAccess.GetActivitySignups(user);
var signedUp = myActivities.Select(a => new ActivityViewModel(a.Activity));
var viewModel = new MyActivitiesResultsScreenViewModel("My Activities", signedUp);
return(View("MyActivities", viewModel));
}