first commit

common/Billing/Gateways/Paypal/InteractsWithPaypalRestApi.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Common\Billing\Gateways\Paypal;
+
+use Carbon\Carbon;
+use Illuminate\Http\Client\PendingRequest;
+use Illuminate\Support\Facades\Http;
+
+trait InteractsWithPaypalRestApi
+{
+    protected string|null $accessToken = null;
+    protected Carbon|null $tokenExpires = null;
+
+    public function paypal(): PendingRequest
+    {
+        $baseUrl = settings('billing.paypal_test_mode')
+            ? 'https://api-m.sandbox.paypal.com/v1'
+            : 'https://api-m.paypal.com/v1';
+
+        if (
+            !$this->accessToken ||
+            $this->tokenExpires->lessThan(Carbon::now())
+        ) {
+            $clientId = config('services.paypal.client_id');
+            $secret = config('services.paypal.secret');
+            $response = Http::withBasicAuth($clientId, $secret)
+                ->throw()
+                ->asForm()
+                ->post("$baseUrl/oauth2/token", [
+                    'grant_type' => 'client_credentials',
+                ]);
+            if (!$response->successful()) {
+                $response->throw();
+            }
+            $this->accessToken = $response['access_token'];
+            $this->tokenExpires = Carbon::now()->addSeconds(
+                $response['expires_in'],
+            );
+        }
+
+        return Http::withToken($this->accessToken)->baseUrl($baseUrl);
+    }
+}