public IActionResult OnPostOk()
{
if (ModelState.IsValid)
{
if (Agency.ToursId == null)
{
Agency.ToursId = new List <string>();
}
_tourList.SynchronizeUpdating(Agency);
_agencyList.Update(Agency);
return(RedirectToPage("TravelAgencies", new { userId = UserId }));
}
return(Page());
}
public static void SynchronizeDeleting(this IAgencyCollection agencyList, Tour tour)
{
if (tour.AgenciesId == null)
{
return;
}
foreach (TravelAgency agency in agencyList.TravelAgencies)
{
TravelAgency newAgency = agency;
if (newAgency.ToursId.Contains(tour.Id))
{
newAgency.ToursId.Remove(tour.Id);
agencyList.Update(newAgency);
}
}
}