/**
  * Saves a collectino of selections
  *
  * @param  \October\Rain\Support\Collection
  * @return void
  */
 public function saveSelections(Collection $collection)
 {
     // Remove selections not present in the collection
     $this->selections->each(function ($selection) use($collection) {
         if (!$collection->contains('id', $selection->id)) {
             $selection->delete();
         }
     });
     // Save the collection
     $collection->each(function ($selection) {
         $selection->option_id = $this->id;
         $selection->save();
     });
 }