Extract Ladill Events as a standalone events suite at events.ladill.com.

Full control center for ticketed events, contributions, attendees, badges, and programmes — not a QR utility clone. Includes SSO shell, import command, and platform cutover runbook. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-07 09:39:53 +00:00
commit d8dbc83e2d
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+<?php
+
+namespace App\Services\Qr;
+
+use App\Models\QrCode;
+use App\Models\QrTransaction;
+use App\Models\QrWallet;
+use App\Models\User;
+use App\Services\Billing\BillingClient;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+use RuntimeException;
+
+/**
+ * QR Plus billing — consumes the platform UserWallet via the Billing API.
+ */
+class QrWalletBillingService
+{
+    public function __construct(
+        private BillingClient $billing,
+    ) {}
+
+    public function balanceCedis(User $user): float
+    {
+        return $this->billing->balanceMinor($user->public_id) / 100;
+    }
+
+    public function canCreate(User $user): bool
+    {
+        $priceMinor = (int) round(QrWallet::pricePerQr() * 100);
+
+        return $this->billing->canAfford($user->public_id, $priceMinor);
+    }
+
+    public function debitForQrCreation(QrWallet $wallet, QrCode $qrCode): QrTransaction
+    {
+        $price = QrWallet::pricePerQr();
+        $priceMinor = (int) round($price * 100);
+        $user = $wallet->user;
+        $reference = 'QR-DEBIT-'.strtoupper(Str::random(12));
+
+        return DB::transaction(function () use ($wallet, $user, $qrCode, $price, $priceMinor, $reference) {
+            $ok = $this->billing->debit(
+                $user->public_id,
+                $priceMinor,
+                'qr',
+                'qr_create',
+                $reference,
+                $qrCode->id,
+                sprintf('Created QR code: %s', $qrCode->label),
+            );
+
+            if (! $ok) {
+                throw new RuntimeException('Insufficient wallet balance.');
+            }
+
+            $wallet->increment('qr_codes_total');
+            $balanceAfter = $this->billing->balanceMinor($user->public_id) / 100;
+
+            return QrTransaction::create([
+                'user_id' => $wallet->user_id,
+                'qr_wallet_id' => $wallet->id,
+                'qr_code_id' => $qrCode->id,
+                'type' => QrTransaction::TYPE_DEBIT,
+                'amount_ghs' => round($price, 4),
+                'balance_after_ghs' => $balanceAfter,
+                'reference' => $reference,
+                'status' => 'completed',
+                'description' => sprintf('Created QR code: %s', $qrCode->label),
+                'metadata' => ['qr_code_id' => $qrCode->id],
+            ]);
+        });
+    }
+}