code: def form_valid(self, form):
          '''
          Modify or delete the availability slot as requested and return success message.
          '''
          slotIds = form.cleaned_data['slotIds']
          deleteSlot = form.cleaned_data.get('deleteSlot', False)
  
          these_slots = InstructorAvailabilitySlot.objects.filter(id__in=slotIds)
  
          if deleteSlot:
              these_slots.delete()
          else:
              for this_slot in these_slots:
                  this_slot.location = form.cleaned_data['updateLocation']
                  this_slot.room = form.cleaned_data['updateRoom']
                  this_slot.status = form.cleaned_data['updateStatus']
                  this_slot.pricingTier = form.cleaned_data.get('updatePricing')
                  this_slot.save()
  
          return JsonResponse({'valid': True}f form_valid(self, form):
          '''
          Modify or delete the availability slot as requested and return success message.
          '''
          slotIds = form.cleaned_data['slotIds']
          deleteSlot = form.cleaned_data.get('deleteSlot', False)
  
          these_slots = InstructorAvailabilitySlot.objects.filter(id__in=slotIds)
  
          if deleteSlot:
              these_slots.delete()
          else:
              for this_slot in these_slots:
                  this_slot.location = form.cleaned_data['updateLocation']
                  this_slot.room = form.cleaned_data['updateRoom']
                  this_slot.status = form.cleaned_data['updateStatus']
                  this_slot.pricingTier = form.cleaned_data.get('updatePricing')
                  this_slot.save()
  
          return JsonResponse({'valid': True})
docs: Modify or delete the availability slot as requested and return success message.