From 780dc74749d44ac54d9ed988366d8e4f3a3d7138 Mon Sep 17 00:00:00 2001
From: "WoutervanderLoop.nl" <wouter@vd-loop.com>
Date: Wed, 3 Jan 2024 14:11:23 +0100
Subject: [PATCH] Fix Upload form. Refs: #43 #44

---
 src/Client.php                  | 9 ++++++++-
 src/OpenApi/ClientGenerator.php | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/Client.php b/src/Client.php
index 08e5fb1..2560f46 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -1577,6 +1577,7 @@ public function getInvoiceRequests(?string $shipmentId = null, ?int $page = 1, ?
     /**
      * Uploads an invoice associated with shipment id.
      * @param string $shipmentId The id of the shipment associated with the invoice.
+     * @param string $invoice
      * @return Model\ProcessStatus|null
      * @throws Exception\ConnectException when an error occurred in the HTTP connection.
      * @throws Exception\ResponseException when an unexpected response was received.
@@ -1584,10 +1585,16 @@ public function getInvoiceRequests(?string $shipmentId = null, ?int $page = 1, ?
      * @throws Exception\RateLimitException when the throttling limit has been reached for the API user.
      * @throws Exception\Exception when something unexpected went wrong.
      */
-    public function uploadInvoice(string $shipmentId): ?Model\ProcessStatus
+    public function uploadInvoice(string $shipmentId, string $invoice): ?Model\ProcessStatus
     {
         $url = "retailer/shipments/invoices/{$shipmentId}";
         $options = [
+            'multipart' => [
+                [
+                    'name' => 'invoice',
+                    'contents' => \GuzzleHttp\Psr7\Utils::tryFopen($invoice, 'r'),
+                ],
+            ],
             'produces' => 'application/vnd.retailer.v10+json',
             'consumes' => 'application/json',
         ];
diff --git a/src/OpenApi/ClientGenerator.php b/src/OpenApi/ClientGenerator.php
index 9ad827a..388a16f 100644
--- a/src/OpenApi/ClientGenerator.php
+++ b/src/OpenApi/ClientGenerator.php
@@ -344,7 +344,7 @@ protected function extractArguments(array $methodDefinition): array
                 }
 
                 $argsWithoutDefault[] = $argument;
-            } elseif (array_key_first($methodDefinition['requestBody']['content']) == 'multipart/form-data') {
+            } else {
                 foreach ($requestBody['schema']['properties'] as $propName => $property) {
                     $argument = [
                         'default' => null,