Order amount should support floating numbers and format them with 2 decimals (#8)

Author: marianogoldman

src/OrderBuilder.php

@@ -8,7 +8,7 @@ class OrderBuilder
 {
     private string $externalId = '';
     private string $currency = '';
-    private int $amount = 0;
+    private float $amount = 0;
     private string $description = '';
     private string $brandName = '';
     private string $locale = 'es-AR';
@@ -39,10 +39,10 @@ public function currency(string $currency): OrderBuilder
     }
 
     /**
-     * @param int $amount
+     * @param float $amount
      * @return OrderBuilder
      */
-    public function amount(int $amount): OrderBuilder
+    public function amount(float $amount): OrderBuilder
     {
         $this->amount = $amount;
         return $this;
@@ -107,7 +107,7 @@ public function make(): array
                     'custom_id' => $this->externalId,
                     'amount' => [
                         'currency_code' => $this->currency,
-                        'value' => $this->amount,
+                        'value' => round($this->amount, 2),
                     ],
                     'description' => $this->description,
                     'payment_options' => [

tests/OrderBuilderTest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Tests;
+
+use PHPUnit\Framework\TestCase;
+use Puntodev\Payments\OrderBuilder;
+
+class OrderBuilderTest extends TestCase
+{
+    /** @test */
+    public function create_order_with_int_amount()
+    {
+        $order = (new OrderBuilder())
+            ->externalId('31fe5538-8589-437d-8823-3b0574186a5f')
+            ->currency('USD')
+            ->amount(23.206)
+            ->description('My custom product')
+            ->brandName('My brand name')
+            ->returnUrl('http://localhost:8080/return')
+            ->cancelUrl('http://localhost:8080/cancel')
+            ->make();
+
+        $this->assertEquals([
+            'intent' => 'CAPTURE',
+            'purchase_units' => [
+                [
+                    'custom_id' => '31fe5538-8589-437d-8823-3b0574186a5f',
+                    'amount' => [
+                        'currency_code' => 'USD',
+                        'value' => 23.21,
+                    ],
+                    'description' => 'My custom product',
+                    'payment_options' => [
+                        'allowed_payment_method' => 'INSTANT_FUNDING_SOURCE'
+                    ],
+                ]
+            ],
+            'application_context' => [
+                'brand_name' => 'My brand name',
+                'locale' => 'es-AR',
+                'user_action' => 'PAY_NOW',
+                'payment_method' => [
+                    'payee_preferred' => 'IMMEDIATE_PAYMENT_REQUIRED',
+                ],
+                'shipping_preference' => 'NO_SHIPPING',
+                'return_url' => 'http://localhost:8080/return',
+                'cancel_url' => 'http://localhost:8080/cancel'
+            ],
+        ], $order);
+    }
+}

tests/PayPalApiTest.php

@@ -46,7 +46,7 @@ public function testCreateOrder()
         $order = (new OrderBuilder())
             ->externalId($this->faker->uuid)
             ->currency('USD')
-            ->amount(23)
+            ->amount(23.20)
             ->description('My custom product')
             ->brandName('My brand name')
             ->returnUrl('http://localhost:8080/return')