Squashed commit message

backend/src/app/Handlers/PrivacyPolicyHandler.php

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+<?php
+
+namespace App\Handlers;
+
+use App\Models\TelegramCustomer;
+use Carbon\Carbon;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Acme\ECommerceFramework\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Acme\ECommerceFramework\Support\Arr;
+use Acme\ECommerceFramework\Telegram\Enums\TelegramHeader;
+use Acme\ECommerceFramework\Telegram\TelegramService;
+use Psr\Log\LoggerInterface;
+
+class PrivacyPolicyHandler
+{
+    private TelegramService $telegramService;
+    private TelegramCustomer $telegramCustomer;
+    private LoggerInterface $logger;
+
+    public function __construct(
+        TelegramService $telegramService,
+        TelegramCustomer $telegramCustomer,
+        LoggerInterface $logger
+    ) {
+        $this->telegramService = $telegramService;
+        $this->telegramCustomer = $telegramCustomer;
+        $this->logger = $logger;
+    }
+
+    public function checkIsUserPrivacyConsented(Request $request): JsonResponse
+    {
+        $isPrivacyConsented = false;
+        $telegramUserId = $this->telegramService->userId($request->header(TelegramHeader::INIT_DATA));
+
+        if (! $telegramUserId) {
+            return new JsonResponse([
+                'data' => [
+                    'is_privacy_consented' => false,
+                ],
+            ]);
+        }
+
+        $customer = $this->telegramCustomer->findByTelegramUserId($telegramUserId);
+
+        if ($customer) {
+            $isPrivacyConsented = Arr::get($customer, 'privacy_consented_at') !== null;
+        }
+
+        return new JsonResponse([
+            'data' => [
+                'is_privacy_consented' => $isPrivacyConsented,
+            ],
+        ]);
+    }
+
+    public function userPrivacyConsent(Request $request): JsonResponse
+    {
+        $telegramUserId = $this->telegramService->userId($request->header(TelegramHeader::INIT_DATA));
+
+        if ($telegramUserId) {
+            $this->telegramCustomer->updateByTelegramUserId($telegramUserId, [
+                'privacy_consented_at' => Carbon::now()->toDateTimeString(),
+            ]);
+        } else {
+            $this->logger->warning(
+                'Could not find customer with telegram user_id: ' . $telegramUserId . ' to give privacy consent.'
+            );
+        }
+
+        return new JsonResponse([], Response::HTTP_NO_CONTENT);
+    }
+}