public void PopulateAssignedGenreData(Ispas_Teodora_ProiectContext context,
Movie movie)
{
var allCategories = context.Genre;
var movieGenres = new HashSet <int>(
movie.MovieGenres.Select(c => c.MovieID));
AssignedGenreDataList = new List <AssignedGenreData>();
foreach (var cat in allCategories)
{
AssignedGenreDataList.Add(new AssignedGenreData
{
GenreID = cat.ID,
Name = cat.GenreName,
Assigned = movieGenres.Contains(cat.ID)
});
}
}
public void UpdateMovieGenres(Ispas_Teodora_ProiectContext context,
string[] selectedCategories, Movie movieToUpdate)
{
if (selectedCategories == null)
{
movieToUpdate.MovieGenres = new List <MovieGenre>();
return;
}
var selectedCategoriesHS = new HashSet <string>(selectedCategories);
var movieGenres = new HashSet <int>
(movieToUpdate.MovieGenres.Select(c => c.Genre.ID));
foreach (var cat in context.Genre)
{
if (selectedCategoriesHS.Contains(cat.ID.ToString()))
{
if (!movieGenres.Contains(cat.ID))
{
movieToUpdate.MovieGenres.Add(
new MovieGenre
{
MovieID = movieToUpdate.ID,
GenreID = cat.ID
});
}
}
else
{
if (movieGenres.Contains(cat.ID))
{
MovieGenre courseToRemove
= movieToUpdate
.MovieGenres
.SingleOrDefault(i => i.GenreID == cat.ID);
context.Remove(courseToRemove);
}
}
}
}
