A post shouldn't be saved if it doesnt belong to any category. How to approach that?

Posted 2 years ago by vjolenz

// in Post model

public function categories() { return $this->belongsToMany(Category::class, 'posts_categories', 'app_id', 'category_id'); }

//in Category Model

public function posts() { return $this->belongsToMany('App\Post', 'posts_categories', 'category_id', 'app_id'); }

I want to be sure that a post can't be saved if it doesnt belong to any category. How to approach that?

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