Add PayPal checkout provider

2026-02-04 12:18:14 +01:00
parent 56a39d0535
commit fc5dfb272c
33 changed files with 1586 additions and 571 deletions
--- a/app/Services/PayPal/PayPalClient.php
+++ b/app/Services/PayPal/PayPalClient.php
@@ -0,0 +1,145 @@
+<?php
+
+namespace App\Services\PayPal;
+
+use App\Services\PayPal\Exceptions\PayPalException;
+use Illuminate\Http\Client\Factory as HttpFactory;
+use Illuminate\Http\Client\PendingRequest;
+use Illuminate\Http\Client\RequestException;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Str;
+
+class PayPalClient
+{
+    public function __construct(
+        private readonly HttpFactory $http,
+    ) {}
+
+    public function get(string $endpoint, array $query = [], array $headers = []): array
+    {
+        return $this->send('GET', $endpoint, [
+            'query' => $query,
+            'headers' => $headers,
+        ]);
+    }
+
+    public function post(string $endpoint, array|object $payload = [], array $headers = []): array
+    {
+        return $this->send('POST', $endpoint, [
+            'json' => $payload,
+            'headers' => $headers,
+        ]);
+    }
+
+    protected function send(string $method, string $endpoint, array $options = []): array
+    {
+        $request = $this->preparedRequest();
+
+        try {
+            $response = $request->send(strtoupper($method), ltrim($endpoint, '/'), $options);
+        } catch (RequestException $exception) {
+            throw new PayPalException(
+                $exception->getMessage(),
+                $exception->response?->status(),
+                $exception->response?->json() ?? []
+            );
+        }
+
+        if ($response->failed()) {
+            $body = $response->json() ?? [];
+            $message = Arr::get($body, 'message')
+                ?? Arr::get($body, 'details.0.description')
+                ?? sprintf('PayPal request failed with status %s', $response->status());
+
+            throw new PayPalException($message, $response->status(), $body);
+        }
+
+        return $response->json() ?? [];
+    }
+
+    protected function preparedRequest(): PendingRequest
+    {
+        $baseUrl = $this->baseUrl();
+        $token = $this->accessToken();
+
+        return $this->http
+            ->baseUrl($baseUrl)
+            ->withHeaders([
+                'Accept' => 'application/json',
+                'Content-Type' => 'application/json',
+                'User-Agent' => sprintf('FotospielApp/%s PayPalClient', app()->version()),
+            ])
+            ->withToken($token)
+            ->acceptJson()
+            ->asJson();
+    }
+
+    protected function accessToken(): string
+    {
+        $cacheKey = 'paypal:access_token';
+        $cached = Cache::get($cacheKey);
+
+        if (is_string($cached) && $cached !== '') {
+            return $cached;
+        }
+
+        $tokenResponse = $this->requestAccessToken();
+        $accessToken = Arr::get($tokenResponse, 'access_token');
+
+        if (! is_string($accessToken) || $accessToken === '') {
+            throw new PayPalException('PayPal access token missing from response.', null, $tokenResponse);
+        }
+
+        $expiresIn = (int) Arr::get($tokenResponse, 'expires_in', 0);
+        if ($expiresIn > 60) {
+            Cache::put($cacheKey, $accessToken, now()->addSeconds($expiresIn - 60));
+        }
+
+        return $accessToken;
+    }
+
+    protected function requestAccessToken(): array
+    {
+        $clientId = config('services.paypal.client_id');
+        $secret = config('services.paypal.secret');
+
+        if (! $clientId || ! $secret) {
+            throw new PayPalException('PayPal client credentials are not configured.');
+        }
+
+        $response = $this->http
+            ->baseUrl($this->baseUrl())
+            ->withBasicAuth($clientId, $secret)
+            ->asForm()
+            ->acceptJson()
+            ->post('/v1/oauth2/token', [
+                'grant_type' => 'client_credentials',
+            ]);
+
+        if ($response->failed()) {
+            $body = $response->json() ?? [];
+            $message = Arr::get($body, 'error_description')
+                ?? Arr::get($body, 'message')
+                ?? sprintf('PayPal OAuth failed with status %s', $response->status());
+
+            throw new PayPalException($message, $response->status(), $body);
+        }
+
+        return $response->json() ?? [];
+    }
+
+    protected function baseUrl(): string
+    {
+        $sandbox = (bool) config('services.paypal.sandbox', true);
+        $baseUrl = $sandbox ? 'https://api-m.sandbox.paypal.com' : 'https://api-m.paypal.com';
+
+        $baseUrl = trim($baseUrl);
+
+        if (! Str::startsWith($baseUrl, ['http://', 'https://'])) {
+            $baseUrl = 'https://'.ltrim($baseUrl, '/');
+        }
+
+        return rtrim($baseUrl, '/');
+    }
+}