Extends base validation parameters.

Author: vuongxuongminh

src/Message/AbstractRequest.php

@@ -7,7 +7,9 @@
 
 namespace Omnipay\MoMo\Message;
 
+use Omnipay\MoMo\Support\Arr;
 use Omnipay\MoMo\Concerns\Parameters;
+use Omnipay\Common\Exception\InvalidRequestException;
 use Omnipay\Common\Message\AbstractRequest as BaseAbstractRequest;
 
 /**
@@ -17,4 +19,18 @@
 abstract class AbstractRequest extends BaseAbstractRequest
 {
     use Parameters;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function validate(...$parameters): void
+    {
+        $listParameters = $this->getParameters();
+
+        foreach ($parameters as $parameter) {
+            if (null === Arr::getValue($parameter, $listParameters)) {
+                throw new InvalidRequestException(sprintf('The `%s` parameter is required', $parameter));
+            }
+        }
+    }
 }

src/Message/Concerns/RequestSignature.php

@@ -25,13 +25,14 @@ protected function generateSignature(): string
     {
         $data = [];
         $signature = new Signature($this->getParameter('secretKey'));
+        $parameters = $this->getParameters();
 
         foreach ($this->getSignatureParameters() as $pos => $parameter) {
             if (! is_string($pos)) {
                 $pos = $parameter;
             }
 
-            $data[$pos] = $this->getParameter($parameter);
+            $data[$pos] = Arr::getValue($parameter, $parameters);
         }
 
         return $signature->generate($data);