public void SetFreeService(int propertyId, int eventTaskListId, bool isFreeService, DateTime serviceDate)
{
var freeService =
db.FreeServices.FirstOrDefault(f => f.EventTaskListId == eventTaskListId && f.ServiceTime == serviceDate);
if (freeService != null && !isFreeService)
{
db.FreeServices.Remove(freeService);
var property = db.Properties.FirstOrDefault(p => p.Id == propertyId);
if (property != null)
{
property.NumberOfFreeServiceCalls++;
}
}
else if (freeService == null && isFreeService)
{
var newFreeService = new FreeService();
newFreeService.ServiceTime = serviceDate;
newFreeService.EventTaskListId = eventTaskListId;
db.FreeServices.Add(newFreeService);
var property = db.Properties.FirstOrDefault(p => p.Id == propertyId);
if (property != null)
{
property.NumberOfFreeServiceCalls--;
}
}
db.SaveChanges();
}