add null cart driver

Author: iamgergo

config/bazar.php

@@ -40,6 +40,7 @@
                 'expiration' => 4320,
             ],
             'session' => [],
+            'null' => [],
         ],
     ],
 

src/Cart/Driver.php

@@ -85,7 +85,8 @@ public function getModel(): Cart
                 $cart->syncItems();
                 $cart->shipping->calculateFee();
                 $cart->shipping->calculateTaxes();
-                $cart->getModel()->calculateDiscount();
+                $cart->calculateTax();
+                $cart->calculateDiscount();
             }
         });
     }
@@ -248,12 +249,22 @@ public function empty(): void
         $this->getModel()->setRelation('items', $this->getModel()->items()->getRelated()->newCollection());
 
         $this->getShipping()->update(['fee' => 0]);
-        $this->getShipping()->taxes()->delete();
+        $this->getShipping()->taxes()->detach();
         $this->getShipping()->discounts()->detach();
 
         $this->getModel()->calculateDiscount();
     }
 
+    /**
+     * Delete the cart.
+     */
+    public function destroy(): void
+    {
+        $this->getModel()->items->each->delete();
+        $this->getShipping()->delete();
+        $this->getModel()->delete();
+    }
+
     /**
      * Get the number of the cart items.
      */

src/Cart/Manager.php

@@ -36,4 +36,14 @@ public function createSessionDriver(): SessionDriver
             $this->config->get('bazar.cart.drivers.session', [])
         );
     }
+
+    /**
+     * Create the null driver.
+     */
+    public function createNullDriver(): NullDriver
+    {
+        return new NullDriver(
+            $this->config->get('bazar.cart.drivers.null', [])
+        );
+    }
 }

src/Cart/NullDriver.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Cone\Bazar\Cart;
+
+use Cone\Bazar\Models\Cart;
+use Illuminate\Http\Request;
+
+class NullDriver extends Driver
+{
+    /**
+     * Resolve the cart for the current request.
+     */
+    public function resolve(Request $request): Cart
+    {
+        return Cart::proxy()->newInstance();
+    }
+}

src/Support/Facades/Cart.php

@@ -29,6 +29,7 @@
  * @method static bool applyCoupon(string|\Cone\Bazar\Models\Coupon $coupon)
  * @method static void removeCoupon(string|\Cone\Bazar\Models\Coupon $coupon)
  * @method static \Cone\Bazar\Gateway\Response checkout(string $driver)
+ * @method static \Cone\Bazar\Cart\Driver driver(?string $driver = null)
  *
  * @see \Cone\Bazar\Cart\Driver
  */