Add optional owner gateway routing to Merchant.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Qr/AccountController.php

@@ -3,15 +3,23 @@
 namespace App\Http\Controllers\Qr;
 
 use App\Http\Controllers\Controller;
+use App\Models\PaymentGatewaySetting;
 use App\Models\QrSetting;
 use App\Services\Billing\BillingClient;
+use App\Services\Billing\PlanEntitlementService;
+use App\Services\Payments\MerchantGatewayService;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
+use Illuminate\Validation\Rule;
 use Illuminate\View\View;
 
 class AccountController extends Controller
 {
-    public function __construct(private BillingClient $billing) {}
+    public function __construct(
+        private BillingClient $billing,
+        private PlanEntitlementService $entitlements,
+        private MerchantGatewayService $gateway,
+    ) {}
 
     private function topupUrl(): string
     {
@@ -65,6 +73,8 @@ class AccountController extends Controller
         return view('merchant.settings', [
             'account' => $account,
             'settings' => $settings,
+            'gateway' => $this->gateway->settingFor($account),
+            'canUsePaymentGateway' => $this->entitlements->canUseCustomPaymentGateway($account),
         ]);
     }
 
@@ -77,6 +87,10 @@ class AccountController extends Controller
             'product_updates' => ['nullable', 'boolean'],
             'notify_registrations' => ['nullable', 'boolean'],
             'notify_payouts' => ['nullable', 'boolean'],
+            'gateway_provider' => ['nullable', Rule::in(['', PaymentGatewaySetting::PROVIDER_PAYSTACK])],
+            'gateway_public_key' => ['nullable', 'string', 'max:2000'],
+            'gateway_secret_key' => ['nullable', 'string', 'max:2000'],
+            'gateway_is_active' => ['nullable', 'boolean'],
         ]);
 
         QrSetting::updateOrCreate(
@@ -89,6 +103,25 @@ class AccountController extends Controller
             ],
         );
 
+        if ($this->entitlements->canUseCustomPaymentGateway($account)) {
+            $provider = trim((string) ($data['gateway_provider'] ?? ''));
+            $setting = PaymentGatewaySetting::query()->where('owner_ref', $account->public_id)->first();
+            if ($provider !== '' || $setting) {
+                $setting ??= new PaymentGatewaySetting(['owner_ref' => $account->public_id]);
+                if ($provider !== '') {
+                    $setting->provider = $provider;
+                }
+                if (filled($data['gateway_public_key'] ?? null)) {
+                    $setting->public_key = $data['gateway_public_key'];
+                }
+                if (filled($data['gateway_secret_key'] ?? null)) {
+                    $setting->secret_key = $data['gateway_secret_key'];
+                }
+                $setting->is_active = $provider !== '' && $request->boolean('gateway_is_active');
+                $setting->save();
+            }
+        }
+
         return redirect()->route('account.settings')->with('success', 'Settings saved.');
     }
 }