public void OnGet()
{
var userClaims = HttpContext.User.Claims;
UserName = userClaims.FirstOrDefault(c => c.Type.Equals("preferred_username")).Value;
FullName = userClaims.FirstOrDefault(c => c.Type.Equals("name")).Value;
Email = userClaims.FirstOrDefault(c => c.Type.Equals("email")).Value;
var currentUserId = HttpContext.User.Claims
.FirstOrDefault(cl => cl.Type.Equals("sub"))
?.Value;
Appointments = _appointmentsService.GetConfirmedByCustomerId(currentUserId).ToList();
if (Appointments.Count != 0)
{
HashSet <int> offerIds = Appointments.Select(a => a.offerId).ToHashSet();
Dictionary <int, OfferViewModel> offers = _offersService.GetManyByIds(offerIds.ToArray(), true);
Appointments.ForEach(a => a.offer = offers[a.offerId]);
}
Console.WriteLine();
}