Add new data in getBasket context

app/Models/Shop/Offer.php

@@ -6,10 +6,11 @@ use Illuminate\Database\Eloquent\Model;
 
 use Znck\Eloquent\Traits\BelongsToThrough;
 use App\Traits\Model\HasComments;
+use Staudenmeir\EloquentHasManyDeep\HasRelationships;
 
 class Offer extends Model
 {
-    use BelongsToThrough, HasComments;
+    use BelongsToThrough, HasComments, HasRelationships;
     
     protected $guarded = ['id'];
     protected $table = 'shop_offers';
@@ -27,6 +28,26 @@ class Offer extends Model
         ]);
     }
 
+    public function categories()
+    {
+        return $this->article->categories();
+    }
+
+    public function price_lists()
+    {
+        return $this->hasManyThrough(PriceList::class, Tariff::class, 'id', 'tariff_id', 'tariff_id', 'id');
+    }
+
+    public function price_list_values()
+    {
+        return $this->hasManyDeep(
+            PriceListValue::class,
+            [Tariff::class, PriceList::class],
+            ['id', 'tariff_id', 'price_list_id'],
+            ['tariff_id', 'id', 'id'],
+        );
+    }
+
     public function tariff()
     {
         return $this->belongsTo(Tariff::class);
@@ -37,16 +58,6 @@ class Offer extends Model
         return $this->belongsTo(Variation::class);
     }
 
-    public function price_lists()
-    {
-        return $this->hasManyThrough(PriceList::class, Tariff::class, 'id', 'tariff_id', 'tariff_id', 'id');
-    }
-
-    public function categories()
-    {
-        return $this->article->categories();
-    }
-
     public function tags()
     {
         return $this->article->tags();