private List <Actor> SaveNewActors(MovieViewModel movieVm, List <Actor> newActors, IEnumerable <Actor> currentMovieActors)
{
var newCheckedActors = new List <Actor>();
newCheckedActors = movieVm.MovieActors?.Where(x => !currentMovieActors.Any(y => y.Id == x.Id))?.ToList();
if (!newActors.Any() && !newCheckedActors.Any())
{
return(new List <Actor>());
}
var newActorsCount = newActors.Count;
var savedRecords = 0;
try
{
savedRecords = _actorDbService.AddBatch(newActors);
if (newActors.Count != savedRecords)
{
throw new Exception();
}
newActors = newActors.Concat(newCheckedActors).ToList();
}
catch (Exception ex)
{
if (newActorsCount != savedRecords)
{
throw new Exception($"Failed to save {newActors.Count - savedRecords} actors information");
}
throw new Exception("Failed to save actor information");
}
return(newActors);
}
