Update with new price management

app/Models/Shop/Unity.php

@@ -6,8 +6,16 @@ use Illuminate\Database\Eloquent\Model;
 
 class Unity extends Model
 {
-    protected $guarded = ['id']; 
-    protected $table = 'shop_unities';
+	protected $guarded = ['id']; 
+	protected $table = 'shop_unities';
 
+	public function article_family()
+	{
+		return $this->belongsTo('App\Models\Shop\ArticleFamily');
+	}
 
+	public function scopeByFamily($query, $id)
+	{
+		return $query->where('article_family_id');
+	} 
 }