wip

Author: iamgergo

openapi.json

@@ -201,19 +201,22 @@
                         "type": "number",
                         "default": 0,
                         "exclusiveMinimum": false,
-                        "minimum": 0
+                        "minimum": 0,
+                        "example": 10.0
                     },
                     "shippingCost": {
                         "type": "number",
                         "default": 0,
                         "exclusiveMinimum": false,
-                        "minimum": 0
+                        "minimum": 0,
+                        "example": 10.0
                     },
                     "total": {
                         "type": "number",
                         "default": 0,
                         "exclusiveMinimum": true,
-                        "minimum": 0
+                        "minimum": 0,
+                        "example": 25.0
                     },
                     "delivery": {
                         "$ref": "#/components/schemas/Delivery"
@@ -283,10 +286,10 @@
                         "nullable": true
                     },
                     "amount": {
-                        "type": "number",
-                        "exclusiveMinimum": true,
-                        "minimum": 0,
-                        "example": 1
+                        "type": "integer",
+                        "exclusiveMinimum": false,
+                        "minimum": 1,
+                        "description": "The quantity."
                     },
                     "price": {
                         "type": "number",

src/Client.php

@@ -4,12 +4,15 @@
 
 use Closure;
 use Cone\SimplePay\Api\TransactionApi;
+use Exception;
 use GuzzleHttp\Client as Http;
 use GuzzleHttp\ClientInterface;
 use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Middleware;
 use GuzzleHttp\Promise\PromiseInterface;
 use GuzzleHttp\Psr7\Utils;
 use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
 
 class Client
 {
@@ -92,6 +95,27 @@ public function client(): ClientInterface
             };
         });
 
+        $stack->push(Middleware::mapResponse(function (ResponseInterface $response): ResponseInterface {
+            $body = (string) $response->getBody();
+
+            if (! $this->validateSignature($response->getHeader('Signature')[0] ?? '', $body)) {
+                throw new ApiException('Invalid Signature.', 999, $response->getHeaders(), $response->getBody());
+            }
+
+            $body = json_decode($body, true) ?? [];
+
+            if (! empty($body['errorCodes'] ?? [])) {
+                throw new ApiException(
+                    'SimplePay error.',
+                    (int) $body['errorCodes'][0] ?? 999,
+                    $response->getHeaders(),
+                    $response->getBody()
+                );
+            }
+
+            return $response;
+        }));
+
         return new Http([
             'handler' => $stack,
         ]);