Refactoring, change menu, add many features

app/Models/Shop/Package.php

@@ -19,6 +19,16 @@ class Package extends Model
         return $this->hasMany(Unity::class);
     }
 
+    public function variations()
+    {
+        return $this->hasMany(Variation::class);
+    }
+
+    public function offers()
+    {
+        return $this->hasManyThrough(Offer::class, Variation::class);
+    }
+
     public function scopeByArticleNature($query, $id)
     {
         return $query->where($this->table . '.article_family_id', $id);