public void PopulateAssignedBredData(Tamba_Razvan_CatalinContext context, Dog dog)
{
var allBreeds = context.Breed;
var dogBreeds = new HashSet <int>(
dog.DogBreeds.Select(c => c.DogID));
AssignedBreedDataList = new List <AssignedBreedData>();
foreach (var cat in allBreeds)
{
AssignedBreedDataList.Add(new AssignedBreedData
{
BreedID = cat.ID,
Name = cat.BreedName,
Assigned = dogBreeds.Contains(cat.ID)
});
}
}
public void UpdateDogBreeds(Tamba_Razvan_CatalinContext context,
string[] selectedBreeds, Dog dogToUpdate)
{
if (selectedBreeds == null)
{
dogToUpdate.DogBreeds = new List <DogBreed>();
return;
}
var selectedBreedsHS = new HashSet <string>(selectedBreeds);
var dogBreeds = new HashSet <int>
(dogToUpdate.DogBreeds.Select(c => c.Breed.ID));
foreach (var cat in context.Breed)
{
if (selectedBreedsHS.Contains(cat.ID.ToString()))
{
if (!dogBreeds.Contains(cat.ID))
{
dogToUpdate.DogBreeds.Add(
new DogBreed
{
DogID = dogToUpdate.ID,
BreedID = cat.ID
});
}
}
else
{
if (dogBreeds.Contains(cat.ID))
{
DogBreed courseToRemove = dogToUpdate
.DogBreeds
.SingleOrDefault(i => i.BreedID == cat.ID);
context.Remove(courseToRemove);
}
}
}
}