wip

src/Cart/Driver.php

@@ -229,7 +229,8 @@ public function empty(): void
         $this->getModel()->items()->delete();
         $this->getModel()->setRelation('items', $this->getModel()->items()->getRelated()->newCollection());
 
-        $this->getShipping()->update(['tax' => 0, 'fee' => 0]);
+        $this->getShipping()->update(['fee' => 0]);
+        $this->getShipping()->taxes()->delete();
 
         $this->getModel()->calculateDiscount();
     }
@@ -274,7 +275,6 @@ public function isNotEmpty(): bool
     public function sync(): void
     {
         $this->getShipping()->calculateFee();
-        $this->getShipping()->save();
 
         $this->getShipping()->calculateTaxes();
 

src/Models/Item.php

@@ -84,6 +84,16 @@ class Item extends Model implements Contract
      */
     protected $table = 'bazar_items';
 
+    /**
+     * The "booted" method of the model.
+     */
+    protected static function booted(): void
+    {
+        static::deleting(static function (self $item): void {
+            $item->taxes()->delete();
+        });
+    }
+
     /**
      * Get the proxied interface.
      */

src/Models/Property.php

@@ -40,7 +40,7 @@ class Property extends Model implements Contract
      */
     protected static function booted(): void
     {
-        static::deleted(static function (self $property): void {
+        static::deleting(static function (self $property): void {
             $property->values()->delete();
         });
     }

src/Models/Shipping.php

@@ -276,9 +276,9 @@ public function getQuantity(): float
     public function calculateFee(): float
     {
         try {
-            $this->update([
+            $this->fill([
                 'fee' => Manager::driver($this->driver)->calculate($this->shippable),
-            ]);
+            ])->save();
         } catch (Throwable $exception) {
             //
         }