Add method for taxes when creating subscription.

src/Traits/PayPalAPI/Subscriptions/Helpers.php

@@ -53,6 +53,11 @@ trait Helpers
      */
     protected $cancel_url;
 
+    /**
+     * @var array
+     */
+    protected $taxes;
+
     /**
      * Setup a subscription.
      *
@@ -97,6 +102,10 @@ public function setupSubscription(string $customer_name, string $customer_email,
             ];
         }
 
+        if (isset($this->taxes)) {
+            $body['taxes'] = $this->taxes;
+        }
+
         $subscription = $this->createSubscription($body);
 
         unset($this->product);
@@ -471,4 +480,21 @@ public function addShippingAddress(string $full_name, string $address_line_1, st
 
         return $this;
     }
+
+    /**
+     * Add taxes when creating a subscription.
+     *
+     * @param float $price
+     *
+     * @return \Srmklive\PayPal\Services\PayPal
+     */
+    public function addTaxes(float $percentage)
+    {
+        $this->taxes = [
+            'percentage' => $percentage,
+            'inclusive'  => false,
+        ];
+
+        return $this;
+    }
 }

tests/Feature/AdapterCreateSubscriptionHelpersTest.php

@@ -541,4 +541,32 @@ public function it_can_add_custom_payment_failure_threshold_value_when_creating_
         $this->assertArrayHasKey('id', $response);
         $this->assertArrayHasKey('plan_id', $response);
     }
+
+    /** @test */
+    public function it_can_set_tax_percentage_when_creating_subscription()
+    {
+        $this->client->setAccessToken([
+            'access_token'  => self::$access_token,
+            'token_type'    => 'Bearer',
+        ]);
+
+        $start_date = Carbon::now()->addDay()->toDateString();
+        $percentage = 10;
+
+        $this->client = $this->client->addTaxes($percentage)
+            ->addProductById('PROD-XYAB12ABSB7868434')
+            ->addBillingPlanById('P-5ML4271244454362WXNWU5NQ');
+
+        $this->client->setClient(
+            $this->mock_http_client(
+                $this->mockCreateSubscriptionResponse()
+            )
+        );
+
+        $response = $this->client->setupSubscription('John Doe', '[email protected]', $start_date);
+
+        $this->assertNotEmpty($response);
+        $this->assertArrayHasKey('id', $response);
+        $this->assertArrayHasKey('plan_id', $response);
+    }
 }