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/PayPalOrderService.php
+++ b/app/Services/PayPal/PayPalOrderService.php
@@ -0,0 +1,161 @@
+<?php
+
+namespace App\Services\PayPal;
+
+use App\Models\CheckoutSession;
+use App\Models\Package;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
+
+class PayPalOrderService
+{
+    public function __construct(private readonly PayPalClient $client) {}
+
+    /**
+     * @param  array{return_url?: string|null, cancel_url?: string|null, locale?: string|null, request_id?: string|null}  $options
+     * @return array<string, mixed>
+     */
+    public function createOrder(CheckoutSession $session, Package $package, array $options = []): array
+    {
+        $currency = strtoupper((string) ($session->currency ?: $package->currency ?: 'EUR'));
+        $total = $this->formatAmount((float) $session->amount_total);
+        $subtotal = $this->formatAmount((float) $session->amount_subtotal);
+        $discount = $this->formatAmount((float) $session->amount_discount);
+
+        $amount = [
+            'currency_code' => $currency,
+            'value' => $total,
+        ];
+
+        if ($subtotal !== null && $discount !== null) {
+            $amount['breakdown'] = [
+                'item_total' => [
+                    'currency_code' => $currency,
+                    'value' => $subtotal,
+                ],
+                'discount' => [
+                    'currency_code' => $currency,
+                    'value' => $discount,
+                ],
+            ];
+        }
+
+        $purchaseUnit = [
+            'reference_id' => 'package-'.$package->id,
+            'description' => Str::limit($package->name ?? 'Package', 127, ''),
+            'custom_id' => $session->id,
+            'amount' => $amount,
+        ];
+
+        $applicationContext = array_filter([
+            'brand_name' => config('app.name', 'Fotospiel'),
+            'landing_page' => 'NO_PREFERENCE',
+            'user_action' => 'PAY_NOW',
+            'shipping_preference' => 'NO_SHIPPING',
+            'locale' => $this->resolveLocale($options['locale'] ?? $session->locale),
+            'return_url' => $options['return_url'] ?? null,
+            'cancel_url' => $options['cancel_url'] ?? null,
+        ], static fn ($value) => $value !== null && $value !== '');
+
+        $payload = [
+            'intent' => 'CAPTURE',
+            'purchase_units' => [$purchaseUnit],
+            'application_context' => $applicationContext,
+        ];
+
+        $headers = [];
+        $requestId = $options['request_id'] ?? $session->id;
+        if (is_string($requestId) && $requestId !== '') {
+            $headers['PayPal-Request-Id'] = $requestId;
+        }
+
+        return $this->client->post('/v2/checkout/orders', $payload, $headers);
+    }
+
+    /**
+     * @param  array{request_id?: string|null}  $options
+     * @return array<string, mixed>
+     */
+    public function captureOrder(string $orderId, array $options = []): array
+    {
+        $headers = [];
+        $requestId = $options['request_id'] ?? null;
+        if (is_string($requestId) && $requestId !== '') {
+            $headers['PayPal-Request-Id'] = $requestId;
+        }
+
+        return $this->client->post(sprintf('/v2/checkout/orders/%s/capture', $orderId), [], $headers);
+    }
+
+    public function resolveApproveUrl(array $payload): ?string
+    {
+        $links = Arr::get($payload, 'links', []);
+        if (! is_array($links)) {
+            return null;
+        }
+
+        foreach ($links as $link) {
+            if (! is_array($link)) {
+                continue;
+            }
+
+            if (($link['rel'] ?? null) === 'approve') {
+                return is_string($link['href'] ?? null) ? $link['href'] : null;
+            }
+        }
+
+        return null;
+    }
+
+    public function resolveCaptureId(array $payload): ?string
+    {
+        $captureId = Arr::get($payload, 'purchase_units.0.payments.captures.0.id');
+
+        return is_string($captureId) && $captureId !== '' ? $captureId : null;
+    }
+
+    /**
+     * @return array{currency?: string, total?: float}
+     */
+    public function resolveTotals(array $payload): array
+    {
+        $amount = Arr::get($payload, 'purchase_units.0.payments.captures.0.amount')
+            ?? Arr::get($payload, 'purchase_units.0.amount');
+
+        if (! is_array($amount)) {
+            return [];
+        }
+
+        $currency = Arr::get($amount, 'currency_code');
+        $total = Arr::get($amount, 'value');
+
+        return array_filter([
+            'currency' => is_string($currency) ? strtoupper($currency) : null,
+            'total' => is_numeric($total) ? (float) $total : null,
+        ], static fn ($value) => $value !== null);
+    }
+
+    protected function resolveLocale(?string $locale): ?string
+    {
+        if (! $locale) {
+            return null;
+        }
+
+        $normalized = str_replace('_', '-', $locale);
+
+        return match (strtolower($normalized)) {
+            'de', 'de-de', 'de-at', 'de-ch' => 'de-DE',
+            'en', 'en-gb' => 'en-GB',
+            default => 'en-US',
+        };
+    }
+
+    protected function formatAmount(float $amount): ?string
+    {
+        if (! is_finite($amount)) {
+            return null;
+        }
+
+        return number_format($amount, 2, '.', '');
+    }
+}