Add filter by sale_channel, add method to get prices by offer, sale_channel and quantity

app/Models/Shop/SaleChannel.php

@@ -21,6 +21,6 @@ class SaleChannel extends Model
 
     public function tariffs()
     {
-        return $this->hasManyThrough(Tariff::class, PriceList::class, 'id1', 'tariff_id', 'id2', 'id3')
+        return $this->hasManyThrough(Tariff::class, PriceList::class, 'sale_channel_id', 'id', 'id', 'tariff_id');
     }
 }