Add Ladill POS v1 — register, Pay checkout, and commerce links.

Staff-facing counter register at pos.ladill.com with catalog cart, cash and MoMo/card checkout via Ladill Pay, CRM timeline/import, invoice prefill, and Merchant catalog import. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-23 22:52:24 +00:00
commit e5d2b84388
378 changed files with 41419 additions and 0 deletions
@@ -0,0 +1,151 @@
+<?php
+
+namespace App\Services\Notifications;
+
+use Illuminate\Http\Client\Response;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Log;
+
+class FcmService
+{
+    public const DELIVERED = 'ok';
+
+    public const INVALID_TOKEN = 'invalid_token';
+
+    public const FAILED = 'failed';
+
+    public function isConfigured(): bool
+    {
+        return filled(config('services.fcm.project_id'))
+            && filled(config('services.fcm.service_account_json'));
+    }
+
+    /**
+     * @return self::DELIVERED|self::INVALID_TOKEN|self::FAILED
+     */
+    public function send(string $fcmToken, string $title, string $body, array $data = []): string
+    {
+        if (! $this->isConfigured()) {
+            return self::FAILED;
+        }
+
+        $projectId = (string) config('services.fcm.project_id');
+        $accessToken = $this->accessToken();
+
+        $response = Http::withToken($accessToken)
+            ->timeout(15)
+            ->post("https://fcm.googleapis.com/v1/projects/{$projectId}/messages:send", [
+                'message' => [
+                    'token' => $fcmToken,
+                    'notification' => compact('title', 'body'),
+                    'data' => array_map('strval', $data),
+                    'android' => [
+                        'priority' => 'high',
+                        'notification' => [
+                            'sound' => 'default',
+                            'channel_id' => 'payments',
+                        ],
+                    ],
+                ],
+            ]);
+
+        if ($response->successful()) {
+            return self::DELIVERED;
+        }
+
+        $outcome = $this->classifyFailure($response);
+
+        Log::warning('FCM push failed', [
+            'token' => substr($fcmToken, 0, 20).'…',
+            'status' => $response->status(),
+            'outcome' => $outcome,
+            'body' => $response->body(),
+        ]);
+
+        return $outcome;
+    }
+
+    /**
+     * @return self::INVALID_TOKEN|self::FAILED
+     */
+    private function classifyFailure(Response $response): string
+    {
+        $statusCode = $response->status();
+        $body = strtolower((string) $response->body());
+        $apiStatus = strtoupper((string) data_get($response->json(), 'error.status', ''));
+
+        if ($statusCode === 404
+            || $apiStatus === 'NOT_FOUND'
+            || str_contains($body, 'not_found')
+            || str_contains($body, 'requested entity was not found')
+            || str_contains($body, 'registration token is not a valid')
+            || str_contains($body, 'invalid registration')
+            || str_contains($body, 'unregistered')) {
+            return self::INVALID_TOKEN;
+        }
+
+        return self::FAILED;
+    }
+
+    private function accessToken(): string
+    {
+        return Cache::remember('mini_fcm_access_token', 3300, function (): string {
+            $sa = $this->serviceAccount();
+            $jwt = $this->buildJwt($sa);
+
+            $response = Http::asForm()->post('https://oauth2.googleapis.com/token', [
+                'grant_type' => 'urn:ietf:params:oauth:grant-type:jwt-bearer',
+                'assertion' => $jwt,
+            ]);
+
+            if (! $response->successful()) {
+                throw new \RuntimeException('FCM OAuth2 token exchange failed: '.$response->body());
+            }
+
+            return $response->json('access_token');
+        });
+    }
+
+    private function buildJwt(array $sa): string
+    {
+        $header = $this->base64url(json_encode(['alg' => 'RS256', 'typ' => 'JWT']));
+        $now = time();
+        $payload = $this->base64url(json_encode([
+            'iss' => $sa['client_email'],
+            'scope' => 'https://www.googleapis.com/auth/firebase.messaging',
+            'aud' => 'https://oauth2.googleapis.com/token',
+            'iat' => $now,
+            'exp' => $now + 3600,
+        ]));
+
+        $message = "{$header}.{$payload}";
+        openssl_sign($message, $signature, $sa['private_key'], 'sha256WithRSAEncryption');
+
+        return "{$message}.{$this->base64url($signature)}";
+    }
+
+    private function base64url(string $data): string
+    {
+        return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
+    }
+
+    /** @return array<string, mixed> */
+    private function serviceAccount(): array
+    {
+        $value = config('services.fcm.service_account_json');
+
+        if (blank($value)) {
+            throw new \RuntimeException('FCM service account JSON is not configured.');
+        }
+
+        $json = is_file($value) ? file_get_contents($value) : $value;
+        $decoded = json_decode((string) $json, true);
+
+        if (! is_array($decoded) || empty($decoded['private_key'])) {
+            throw new \RuntimeException('FCM service account JSON is invalid or missing private_key.');
+        }
+
+        return $decoded;
+    }
+}
@@ -0,0 +1,177 @@
+<?php
+
+namespace App\Services\Notifications;
+
+use App\Models\MiniPayment;
+use App\Models\User;
+use App\Notifications\Mini\MiniAlertNotification;
+use Illuminate\Support\Facades\Log;
+
+class MiniNotificationService
+{
+    public function __construct(private FcmService $fcm) {}
+
+    public function paymentReceived(MiniPayment $payment): void
+    {
+        $payment->loadMissing(['qrCode', 'merchant']);
+        $merchant = $payment->merchant;
+
+        if (! $merchant) {
+            return;
+        }
+
+        $businessName = $payment->qrCode?->content()['business_name'] ?? $payment->qrCode?->label ?? 'Payment QR';
+        $amount = $this->formatMoney($payment->currency, $payment->merchant_amount_minor ?: $payment->amount_minor);
+        $title = 'Payment received';
+        $message = sprintf('%s paid %s to %s.', $this->payerLabel($payment), $amount, $businessName);
+
+        $this->alert(
+            $merchant,
+            $title,
+            $message,
+            'payment',
+            route('mini.payments.index'),
+            'payment_received',
+            [
+                'payment_id' => $payment->id,
+                'reference' => $payment->reference,
+                'amount_minor' => $payment->amount_minor,
+                'currency' => $payment->currency,
+            ],
+            respectPayoutPref: false,
+        );
+    }
+
+    public function withdrawalSubmitted(User $user, float $amountMajor, string $currency = 'GHS'): void
+    {
+        if (! $this->payoutAlertsEnabled($user)) {
+            return;
+        }
+
+        $amount = sprintf('%s %s', $currency, number_format($amountMajor, 2));
+        $this->alert(
+            $user,
+            'Withdrawal requested',
+            sprintf('Your withdrawal of %s has been submitted and is being processed.', $amount),
+            'payout',
+            route('mini.payouts'),
+            'withdrawal_submitted',
+            ['amount_major' => $amountMajor, 'currency' => $currency],
+            respectPayoutPref: false,
+        );
+    }
+
+    public function walletCredited(User $user, int $amountMinor, string $currency, string $description): void
+    {
+        if (! $this->payoutAlertsEnabled($user)) {
+            return;
+        }
+
+        $amount = $this->formatMoney($currency, $amountMinor);
+        $this->alert(
+            $user,
+            'Wallet credited',
+            sprintf('%s added to your wallet. %s', $amount, $description),
+            'wallet',
+            route('mini.payouts'),
+            'wallet_credited',
+            ['amount_minor' => $amountMinor, 'currency' => $currency],
+            respectPayoutPref: false,
+        );
+    }
+
+    /**
+     * @param  array<string, mixed>  $extra
+     */
+    private function alert(
+        User $user,
+        string $title,
+        string $message,
+        string $icon,
+        ?string $url,
+        string $milestone,
+        array $extra = [],
+        bool $respectPayoutPref = true,
+    ): void {
+        if ($respectPayoutPref && ! $this->payoutAlertsEnabled($user)) {
+            return;
+        }
+
+        $user->notify(new MiniAlertNotification($title, $message, $icon, $url, $milestone, $extra));
+        $this->pushToDevices($user, $title, $message, array_merge($extra, [
+            'milestone' => $milestone,
+            'url' => $url,
+        ]));
+    }
+
+  /** @param  array<string, mixed>  $data */
+    private function pushToDevices(User $user, string $title, string $body, array $data = []): void
+    {
+        if (! $this->fcm->isConfigured() || ! $this->shouldAttemptFcm($user)) {
+            return;
+        }
+
+        $windowDays = (int) config('notifications.fcm_active_user_within_days', 60);
+        $cutoff = now()->subDays($windowDays);
+
+        $tokens = $user->pushTokens()
+            ->where(function ($query) use ($cutoff) {
+                $query->where('last_seen_at', '>=', $cutoff)
+                    ->orWhere('updated_at', '>=', $cutoff);
+            })
+            ->get();
+
+        foreach ($tokens as $device) {
+            try {
+                $outcome = $this->fcm->send($device->token, $title, $body, $data);
+
+                if ($outcome === FcmService::INVALID_TOKEN) {
+                    $device->delete();
+                }
+            } catch (\Throwable $e) {
+                Log::warning('Mini push failed', [
+                    'user_id' => $user->id,
+                    'error' => $e->getMessage(),
+                ]);
+            }
+        }
+    }
+
+    private function shouldAttemptFcm(User $user): bool
+    {
+        if ($user->pushTokens()->doesntExist()) {
+            return false;
+        }
+
+        $windowDays = (int) config('notifications.fcm_active_user_within_days', 60);
+
+        if ($user->last_app_active_at === null) {
+            return false;
+        }
+
+        return $user->last_app_active_at->gte(now()->subDays($windowDays));
+    }
+
+    private function payoutAlertsEnabled(User $user): bool
+    {
+        return (bool) ($user->getOrCreateQrSetting()->notify_payouts ?? true);
+    }
+
+    private function formatMoney(string $currency, int $amountMinor): string
+    {
+        return sprintf('%s %s', $currency, number_format($amountMinor / 100, 2));
+    }
+
+    private function payerLabel(MiniPayment $payment): string
+    {
+        if ($payment->payer_name) {
+            return $payment->payer_name;
+        }
+
+        if ($payment->payer_phone) {
+            return $payment->payer_phone;
+        }
+
+        return 'A customer';
+    }
+}