Try to fix price_lists by sale_channel

app/Models/Shop/Article.php

@@ -38,6 +38,16 @@ class Article extends Model implements HasMedia
         return $this->hasMany(Offer::class);
     }
 
+    public function price_lists()
+    {
+        return $this->hasManyDeep(
+            PriceList::class,
+            [Offer::class, Tariff::class],
+            ['article_id', 'id'],
+            ['id', 'tariff_id'],
+        );
+    }
+
     public function prices()
     {
         return $this->hasManyDeep(

app/Models/Shop/Offer.php

@@ -163,10 +163,9 @@ class Offer extends Model
     public function scopeWithPriceListValuesBySaleChannel($query, $sale_channel_id)
     {
         return $query->with([
-            'price_lists' => function($query) use ($sale_channel_id) {
+            'price_lists.price_list_values' => function($query) use ($sale_channel_id) {
                 $query->bySaleChannel($sale_channel_id);
             },
-            'price_lists.price_list_values',
         ]);
     }
 

app/Models/Shop/PriceListValue.php

@@ -39,4 +39,12 @@ class PriceListValue extends Model
     {
         return $query->orderBy('quantity', 'desc')->where($this->table . '.quantity', '<=', $quantity)->first();
     }
+
+    public function scopeBySaleChannel($query, $sale_channel_id) {
+        return $query->with([
+            'price_list' => function ($query) use ($sale_channel_id) {
+                return $query->bySaleChannel($sale_channel_id);
+            },
+        ]);
+    }
 }

app/Models/Shop/Tariff.php

@@ -53,7 +53,7 @@ class Tariff extends Model
             ->orWhere($this->table . '.code', 'LIKE', "${str}%");
     }
 
-    public function scopeBySaleChanel($query, $id)
+    public function scopeBySaleChanelDefault($query, $id)
     {
         return $query->where($this->table . '.sale_channel_id', $id);
     }