Add setMoney method (#180)

src/Common/Message/AbstractRequest.php

@@ -318,6 +318,8 @@ private function getMoney($amount = null)
 
         if ($amount === null) {
             return null;
+        } elseif ($amount instanceof Money) {
+            $money = $amount;
         } elseif (is_integer($amount)) {
             $money = new Money($amount, $currency);
         } else {
@@ -401,6 +403,21 @@ public function setAmountInteger($value)
         return $this->setParameter('amount', (int) $value);
     }
 
+    /**
+     * Sets the payment amount as integer.
+     *
+     * @param Money $value
+     * @return $this
+     */
+    public function setMoney(Money $value)
+    {
+        $currency = $value->getCurrency()->getCode();
+
+        $this->setCurrency($currency);
+
+        return $this->setParameter('amount', $value);
+    }
+
     /**
      * Get the payment currency code.
      *

tests/Omnipay/Common/Message/AbstractRequestTest.php

@@ -3,6 +3,8 @@
 namespace Omnipay\Common\Message;
 
 use Mockery as m;
+use Money\Currency;
+use Money\Money;
 use Omnipay\Common\CreditCard;
 use Omnipay\Common\ItemBag;
 use Omnipay\Tests\TestCase;
@@ -247,6 +249,18 @@ public function testAmountNegativeFloatThrowsException()
         $this->request->getAmount();
     }
 
+    public function testMoney()
+    {
+        $money = new Money(12345, new Currency('EUR'));
+        $this->assertSame($this->request, $this->request->setMoney($money));
+
+        $this->request->validate('amount', 'currency');
+
+        $this->assertSame('123.45', $this->request->getAmount());
+        $this->assertSame(12345, $this->request->getAmountInteger());
+        $this->assertSame('EUR', $this->request->getCurrency());
+    }
+
     public function testCurrency()
     {
         $this->assertSame($this->request, $this->request->setCurrency('USD'));