/**
* return all categories that this post
* do not belongs to.
*
* @return Category
*/
public function CategoriesNotIn()
{
$category_ids = $this->categories->map(function ($category) {
return $category->id;
});
return Category::whereNotIn('id', $category_ids)->get();
}
/**
* Run the database seeds.
*
* @return void
*/
public function run()
{
$posts = Post::all();
$categories = Category::all();
foreach ($categories as $category) {
$subPosts = $posts->take(3);
foreach ($subPosts as $post) {
$post->addToCategory($category);
}
}
}