private void UpdateSpeciesFood(string[] selectedFood, Species speciesToUpdate)
{
if (selectedFood == null)
{
speciesToUpdate.SpeciesFood = new List <SpeciesFood>();
return;
}
var selectedFoodHS = new HashSet <string>(selectedFood);
var speciesFood = new HashSet <int>
(speciesToUpdate.SpeciesFood.Select(sf => sf.Food.ID));
foreach (var food in _context.Food)
{
if (selectedFoodHS.Contains(food.ID.ToString()))
{
if (!speciesFood.Contains(food.ID))
{
SpeciesFood newElement = new SpeciesFood {
SpeciesID = speciesToUpdate.ID, FoodID = food.ID, ID = Guid.NewGuid().GetHashCode()
};
speciesToUpdate.SpeciesFood.Add(newElement);
_context.SpeciesFood.Add(newElement);
}
}
else
{
if (speciesFood.Contains(food.ID))
{
SpeciesFood foodToRemove = speciesToUpdate.SpeciesFood.FirstOrDefault(i => i.FoodID == food.ID);
_context.Remove(foodToRemove);
}
}
}
_context.SaveChanges();
}
public void Delete(int id)
{
var rabbitToRemove = GetById(id);
_db.Remove(rabbitToRemove);
}
