in this example there is a one to many relation. [course has many chapters]
1. in the Course model
----------------------
public function scopeWithChapters($query)
{
return $query->with(['chapters' => function($q)
{
$q->published(); // < this scope function is in the chapter model
}]);
}
public function chapters()
{
return $this->hasMany('Moubarmij\Models\Chapter’); // < the relation
}
2. in the Chapter model
-----------------------
public function scopePublished($query)
{
return $query->where('published', '=', '1');
}