Route event registrations through Ladill Pay API.

Ticket and contribution checkouts use platform Pay for fees and wallet settlement, with legacy QREP-* fallback via Billing.

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

.env.example

@@ -27,6 +27,9 @@ LADILL_SSO_CLIENT_SECRET=
 BILLING_API_URL=https://ladill.com/api/billing
 BILLING_API_KEY_EVENTS=
 
+PAY_API_URL=https://ladill.com/api/pay
+PAY_API_KEY_EVENTS=
+
 IDENTITY_API_URL=https://ladill.com/api
 IDENTITY_API_KEY_EVENTS=
 

DEPLOY.md

@@ -17,6 +17,7 @@ Pay into the one platform UserWallet. Public scans stay at `ladill.com/q/<code>`
 |---|---|
 | `LADILL_SSO_CLIENT_ID` / `LADILL_SSO_CLIENT_SECRET` | `passport:client` on platform |
 | `BILLING_API_KEY_EVENTS` | platform `.env` + this app |
+| `PAY_API_KEY_EVENTS` | platform `.env` (`PAY_API_KEY_EVENTS`) + this app — Ladill Pay checkout |
 | `IDENTITY_API_KEY_EVENTS` | platform `.env` + this app |
 
 ## 1. Gitea repo + CI

app/Models/QrEventRegistration.php

@@ -13,6 +13,7 @@ class QrEventRegistration extends Model
     public const STATUS_CANCELLED = 'cancelled';
 
     protected $fillable = [
+        'pay_order_id',
         'qr_code_id',
         'user_id',
         'reference',

app/Services/Events/EventRegistrationService.php

@@ -4,24 +4,19 @@ namespace App\Services\Events;
 
 use App\Models\QrCode;
 use App\Models\QrEventRegistration;
-use App\Models\UserWalletTransaction;
+use App\Services\Billing\BillingClient;
 use App\Services\Billing\PaystackService;
 use App\Services\Billing\SmsService;
-use App\Services\Billing\WalletService;
+use App\Services\Pay\PayClient;
 use Illuminate\Support\Str;
 use RuntimeException;
 
 class EventRegistrationService
 {
-    /** Platform fee on paid ticket sales. */
-    public const PLATFORM_FEE_RATE_TICKETING = 0.15;
-
-    /** Reduced platform fee on contribution / donation funds. */
-    public const PLATFORM_FEE_RATE_CONTRIBUTIONS = 0.09;
-
     public function __construct(
+        private PayClient $pay,
         private PaystackService $paystack,
-        private WalletService $wallet,
+        private BillingClient $billing,
         private SmsService $sms,
     ) {}
 
@@ -66,7 +61,6 @@ class EventRegistrationService
             throw new RuntimeException('Enter a valid email address.');
         }
 
-        // Capacity guard (0 = unlimited) — ticketing only.
         if ($mode === 'ticketing') {
             $capacity = (int) ($tier['capacity'] ?? 0);
             if ($capacity > 0) {
@@ -114,40 +108,94 @@ class EventRegistrationService
             'status' => $amountMinor > 0 ? QrEventRegistration::STATUS_PENDING : QrEventRegistration::STATUS_CONFIRMED,
         ]);
 
-        // Free ticket — done.
         if ($amountMinor === 0) {
             $this->notifyConfirmed($registration->fresh('qrCode'));
 
             return ['registration' => $registration, 'paid' => false, 'checkout_url' => null];
         }
 
-        // Paid ticket — start Paystack.
+        $qrCode->loadMissing('user');
-        $reference = 'QREP-' . strtoupper(Str::random(16));
+        $feeTier = $mode === 'contributions' ? 'donations' : 'sales';
-        $registration->update(['payment_reference' => $reference]);
+        $lineName = $mode === 'contributions'
+            ? sprintf('%s — %s', $content['name'] ?? $qrCode->label, $tierName)
+            : sprintf('%s ticket — %s', $content['name'] ?? $qrCode->label, $tierName);
 
-        $paystackData = $this->paystack->initializeTransaction([
+        $payOrder = $this->pay->createCheckout([
-            'email'        => $email,
+            'merchant' => $qrCode->user->public_id,
-            'amount'       => $amountMinor,
+            'fee_tier' => $feeTier,
-            'currency'     => $registration->currency,
+            'source_service' => 'events',
-            'reference'    => $reference,
+            'source_ref' => (string) $qrCode->id,
             'callback_url' => route('qr.public.event.callback', ['shortCode' => $qrCode->short_code]),
+            'customer_name' => $registration->attendee_name,
+            'customer_email' => $email,
+            'customer_phone' => $registration->attendee_phone,
+            'line_items' => [
+                [
+                    'name' => $lineName,
+                    'unit_price_minor' => $amountMinor,
+                    'quantity' => 1,
+                ],
+            ],
             'metadata' => [
                 'registration_id' => $registration->id,
+                'registration_reference' => $registration->reference,
                 'qr_code_id' => $qrCode->id,
-                'merchant_id'     => $qrCode->user_id,
+                'mode' => $mode,
-                'attendee_name'   => $registration->attendee_name,
-                'attendee_email'  => $email,
             ],
         ]);
 
+        $registration->update([
+            'pay_order_id' => $payOrder['id'] ?? null,
+            'payment_reference' => $payOrder['reference'],
+        ]);
+
+        $checkoutUrl = (string) ($payOrder['checkout_url'] ?? '');
+        if ($checkoutUrl === '') {
+            throw new RuntimeException('Could not start checkout. Please try again.');
+        }
+
         return [
-            'registration' => $registration,
+            'registration' => $registration->fresh(),
             'paid' => true,
-            'checkout_url' => 'https://checkout.paystack.com/' . $paystackData['access_code'],
+            'checkout_url' => $checkoutUrl,
         ];
     }
 
     public function complete(string $reference): QrEventRegistration
+    {
+        if (str_starts_with($reference, 'LP-')) {
+            return $this->completeLadillPay($reference);
+        }
+
+        return $this->completeLegacy($reference);
+    }
+
+    private function completeLadillPay(string $reference): QrEventRegistration
+    {
+        $registration = QrEventRegistration::where('payment_reference', $reference)
+            ->where('status', QrEventRegistration::STATUS_PENDING)
+            ->firstOrFail();
+
+        $payOrder = $this->pay->verify($reference);
+        $platformFeeGhs = ((int) ($payOrder['platform_fee_minor'] ?? 0)) / 100;
+
+        $registration->update([
+            'status' => QrEventRegistration::STATUS_CONFIRMED,
+            'paid_at' => now(),
+            'pay_order_id' => $payOrder['id'] ?? $registration->pay_order_id,
+            'metadata' => array_merge((array) $registration->metadata, [
+                'ladill_pay' => $payOrder,
+                'platform_fee_ghs' => $platformFeeGhs,
+            ]),
+        ]);
+
+        $this->notifyConfirmed($registration->fresh('qrCode'));
+
+        return $registration;
+    }
+
+    /** Legacy QREP-* references before Ladill Pay migration. */
+    private function completeLegacy(string $reference): QrEventRegistration
     {
         $registration = QrEventRegistration::where('payment_reference', $reference)
             ->where('status', QrEventRegistration::STATUS_PENDING)
@@ -160,37 +208,36 @@ class EventRegistrationService
             throw new RuntimeException('Payment was not successful.');
         }
 
-        $feeRate = ($registration->qrCode?->content()['mode'] ?? 'ticketing') === 'contributions'
+        $feeRate = ($registration->qrCode?->content()['mode'] ?? 'ticketing') === 'contributions' ? 0.09 : 0.15;
-            ? self::PLATFORM_FEE_RATE_CONTRIBUTIONS
-            : self::PLATFORM_FEE_RATE_TICKETING;
-
         $paidAmount = round(($data['amount'] ?? 0) / 100, 2);
         $platformFee = round($paidAmount * $feeRate, 2);
-        $organizerAmount = round($paidAmount - $platformFee, 2);
+
+        $organizerAmountMinor = (int) round(($paidAmount - $platformFee) * 100);
 
         $registration->update([
             'status' => QrEventRegistration::STATUS_CONFIRMED,
             'paid_at' => now(),
-            'metadata' => array_merge((array) $registration->metadata, ['paystack' => $data, 'platform_fee_ghs' => $platformFee]),
+            'metadata' => array_merge((array) $registration->metadata, [
+                'paystack' => $data,
+                'platform_fee_ghs' => $platformFee,
+                'legacy' => true,
+            ]),
         ]);
 
-        $this->wallet->credit(
+        $mode = ($registration->qrCode->content()['mode'] ?? 'ticketing') === 'contributions' ? 'contributions' : 'ticketing';
-            $registration->organizer,
+        $this->billing->credit(
-            $organizerAmount,
+            $registration->organizer->public_id,
-            UserWalletTransaction::SOURCE_SERVICE_TRANSFER,
+            $organizerAmountMinor,
+            'events',
+            'pay',
             $reference,
+            $registration->id,
             sprintf(
                 '%s — %s (%s)',
-                ($registration->qrCode->content()['mode'] ?? 'ticketing') === 'contributions' ? 'Event contribution' : 'Event ticket',
+                $mode === 'contributions' ? 'Event contribution' : 'Event ticket',
                 $registration->qrCode->label,
                 $registration->tier_name
             ),
-            [
-                'source'          => 'qr_event',
-                'registration_id' => $registration->id,
-                'qr_code_id'      => $registration->qr_code_id,
-                'platform_fee_ghs' => $platformFee,
-            ]
         );
 
         $this->notifyConfirmed($registration->fresh('qrCode'));

app/Services/Pay/PayClient.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Services\Pay;
+
+use Illuminate\Support\Facades\Http;
+
+/**
+ * Client for the platform Ladill Pay HTTP API — checkout and settlement for
+ * merchant↔buyer money. Paystack is the processor today; settlement lands in
+ * the one UserWallet via Platform Billing.
+ */
+class PayClient
+{
+    private function base(): string
+    {
+        return rtrim((string) config('pay.api_url'), '/');
+    }
+
+    private function token(): string
+    {
+        return (string) (config('pay.api_key') ?? '');
+    }
+
+    /** @param array<string,mixed> $payload */
+    public function createCheckout(array $payload): array
+    {
+        $res = Http::withToken($this->token())->acceptJson()->timeout(15)->post($this->base().'/checkouts', $payload);
+        $res->throw();
+
+        return (array) $res->json();
+    }
+
+    public function verify(string $reference): array
+    {
+        $res = Http::withToken($this->token())->acceptJson()->timeout(15)->post($this->base().'/checkouts/verify', [
+            'reference' => $reference,
+        ]);
+        $res->throw();
+
+        return (array) $res->json();
+    }
+
+    public function show(string $reference): array
+    {
+        $res = Http::withToken($this->token())->acceptJson()->timeout(10)->get($this->base().'/orders/'.$reference);
+        $res->throw();
+
+        return (array) $res->json();
+    }
+}

config/pay.php

@@ -0,0 +1,6 @@
+<?php
+
+return [
+    'api_url' => env('PAY_API_URL', 'https://ladill.com/api/pay'),
+    'api_key' => env('PAY_API_KEY_EVENTS'),
+];

database/migrations/2026_06_08_130000_add_pay_order_id_to_qr_event_registrations_table.php

@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('qr_event_registrations', function (Blueprint $table) {
+            $table->unsignedBigInteger('pay_order_id')->nullable()->after('id');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('qr_event_registrations', function (Blueprint $table) {
+            $table->dropColumn('pay_order_id');
+        });
+    }
+};