diff --git a/docs/create_telegram_bot.md b/docs/create_telegram_bot.md
new file mode 100644
index 0000000..e69de29
diff --git a/module/oc_telegram_shop/upload/admin/controller/extension/module/tgshop.php b/module/oc_telegram_shop/upload/admin/controller/extension/module/tgshop.php
index 3350a7e..4d5e86b 100755
--- a/module/oc_telegram_shop/upload/admin/controller/extension/module/tgshop.php
+++ b/module/oc_telegram_shop/upload/admin/controller/extension/module/tgshop.php
@@ -15,6 +15,7 @@
  * @property User $user
  * @property ModelCustomerCustomerGroup $model_customer_customer_group
  * @property ModelLocalisationOrderStatus $model_localisation_order_status
+ * @property DB $db
  */
 class ControllerExtensionModuleTgshop extends Controller
 {
diff --git a/module/oc_telegram_shop/upload/admin/view/template/extension/module/tgshop.twig b/module/oc_telegram_shop/upload/admin/view/template/extension/module/tgshop.twig
index 373f572..ac8bc3a 100755
--- a/module/oc_telegram_shop/upload/admin/view/template/extension/module/tgshop.twig
+++ b/module/oc_telegram_shop/upload/admin/view/template/extension/module/tgshop.twig
@@ -161,7 +161,7 @@
                                                 />
                                                 <script>
                                                     $('#{{ settingKey }}-btn').click(function () {
-                                                        const telegramToken = $('#module_tgshop_bot_token').val(); // fetch from input
+                                                        const telegramToken = $('#module_tgshop_bot_token').val().trim(); // fetch from input
                                                         if (! telegramToken) {
                                                             alert('Сначала введите Telegram Bot Token!');
                                                             return;
@@ -251,19 +251,19 @@
                                             </div>
                                             <script>
                                                 $('#{{ settingKey }}-btn-test').click(function () {
-                                                    const telegramToken = $('#module_tgshop_bot_token').val(); // fetch from input
+                                                    const telegramToken = $('#module_tgshop_bot_token').val().trim();
                                                     if (! telegramToken) {
                                                         alert('Сначала введите Telegram Bot Token!');
                                                         return;
                                                     }
 
-                                                    const chatId = $('#module_tgshop_chat_id').val(); // fetch from input
+                                                    const chatId = $('#module_tgshop_chat_id').val().trim();
                                                     if (! chatId) {
                                                         alert('Сначала введите Chat ID!');
                                                         return;
                                                     }
 
-                                                    const template = $('#{{ settingKey }}').val();
+                                                    const template = $('#{{ settingKey }}').val().trim();
                                                     if (! template) {
                                                         alert('Сначала задайте шаблон!');
                                                         return;
@@ -272,7 +272,7 @@
                                                     fetch('/index.php?route=extension/tgshop/handle&api_action=testTgMessage', {
                                                         method: 'POST',
                                                         headers: {
-                                                            'Content-Type': 'application/json'
+                                                            'Content-Type': 'application/json',
                                                         },
                                                         body: JSON.stringify({
                                                             token: telegramToken,
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Application.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Application.php
index bb55809..479d408 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Application.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Application.php
@@ -55,7 +55,8 @@ class Application extends Container
         $dotenv->load();
 
         $errorHandler = new ErrorHandler(
-            $this->get(Logger::class)
+            $this->get(Logger::class),
+            $this,
         );
 
         $errorHandler->register();
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Contracts/ExceptionHandlerInterface.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Contracts/ExceptionHandlerInterface.php
new file mode 100644
index 0000000..34263a9
--- /dev/null
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Contracts/ExceptionHandlerInterface.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Openguru\OpenCartFramework\Contracts;
+
+use Openguru\OpenCartFramework\Http\JsonResponse;
+use Throwable;
+
+interface ExceptionHandlerInterface
+{
+    public function respond(Throwable $exception): ?JsonResponse;
+}
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/ErrorHandler.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/ErrorHandler.php
index 625ab8c..14590b0 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/ErrorHandler.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/ErrorHandler.php
@@ -3,6 +3,7 @@
 namespace Openguru\OpenCartFramework;
 
 use ErrorException;
+use Openguru\OpenCartFramework\Contracts\ExceptionHandlerInterface;
 use Openguru\OpenCartFramework\Exceptions\NonLoggableExceptionInterface;
 use Openguru\OpenCartFramework\Http\JsonResponse;
 use Openguru\OpenCartFramework\Http\Response;
@@ -15,10 +16,12 @@ use Throwable;
 class ErrorHandler
 {
     private $logger;
+    private Application $app;
 
-    public function __construct(Logger $logger)
+    public function __construct(Logger $logger, Application $application)
     {
         $this->logger = $logger;
+        $this->app = $application;
     }
 
     public function register(): void
@@ -42,6 +45,15 @@ class ErrorHandler
 
     public function handleException(Throwable $exception): void
     {
+        if ($this->app->has(ExceptionHandlerInterface::class)) {
+            $customHandler = $this->app->get(ExceptionHandlerInterface::class);
+            $response = $customHandler->respond($exception);
+            if ($response !== null) {
+                $response->send();
+                return;
+            }
+        }
+
         if (!$exception instanceof NonLoggableExceptionInterface) {
             $this->logger->logException($exception);
         }
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Http/Request.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Http/Request.php
index 30344ae..1de0b8c 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Http/Request.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Http/Request.php
@@ -13,33 +13,35 @@ class Request
     private $files;
     private $server;
     private $content;
+    private array $headers = [];
 
     public function __construct(
-        array  $query,
-        array  $request,
-        array  $cookies,
-        array  $files,
-        array  $server,
+        array $query,
+        array $request,
+        array $cookies,
+        array $files,
+        array $server,
+        array $headers = [],
         string $content = null
-    )
-    {
+    ) {
         $this->query = $query;
         $this->request = $request;
         $this->cookies = $cookies;
         $this->files = $files;
         $this->server = $server;
+        $this->headers = $headers;
         $this->content = $content;
     }
 
     public static function createFromGlobals(): Request
     {
-        return new static($_GET, $_POST, $_COOKIE, $_FILES, $_SERVER);
+        return new static($_GET, $_POST, $_COOKIE, $_FILES, $_SERVER, getallheaders());
     }
 
     public function getContent(): string
     {
         if ($this->content === null || $this->content === '') {
-            $this->content = (string)file_get_contents('php://input');
+            $this->content = (string) file_get_contents('php://input');
         }
 
         return $this->content;
@@ -49,7 +51,7 @@ class Request
     {
         $content = $this->getContent();
 
-        if (!$content) {
+        if (! $content) {
             return $default;
         }
 
@@ -84,7 +86,7 @@ class Request
     public function header(string $name): ?string
     {
         $headers = [];
-        foreach (getallheaders() as $key => $value) {
+        foreach ($this->headers as $key => $value) {
             $headers[mb_strtolower($key)] = trim($value);
         }
 
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/SignatureValidator.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/SignatureValidator.php
index 0805291..1f475bc 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/SignatureValidator.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/SignatureValidator.php
@@ -78,4 +78,13 @@ class SignatureValidator
 
         return implode(PHP_EOL, $array);
     }
+
+    public function ensureUserWantsToReceiveMessages($request): void
+    {
+        $initDataString = rawurldecode($request->header('X-Telegram-Initdata'));
+
+        if (! $initDataString) {
+            throw new TelegramInvalidSignatureException('Invalid Telegram signature!');
+        }
+    }
 }
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramInvalidSignatureException.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramInvalidSignatureException.php
old mode 100644
new mode 100755
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramService.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramService.php
index 7c18d19..b331416 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramService.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramService.php
@@ -3,6 +3,9 @@
 namespace Openguru\OpenCartFramework\Telegram;
 
 use GuzzleHttp\Client;
+use JsonException;
+use Openguru\OpenCartFramework\Application;
+use Openguru\OpenCartFramework\Http\Request;
 use Openguru\OpenCartFramework\Logger\Logger;
 
 class TelegramService
@@ -18,7 +21,8 @@ class TelegramService
         $this->client = $this->createGuzzleClient("https://api.telegram.org/bot{$botToken}/");
     }
 
-    public function escapeTelegramMarkdownV2(string $text): string {
+    public function escapeTelegramMarkdownV2(string $text): string
+    {
         $specials = ['_', '*', '[', ']', '(', ')', '~', '`', '>', '#', '+', '-', '=', '|', '{', '}', '.', '!'];
         foreach ($specials as $char) {
             $text = str_replace($char, '\\' . $char, $text);
@@ -33,10 +37,10 @@ class TelegramService
         return str_replace(array_keys($variables), $values, $template);
     }
 
-    public function sendMessage(int $chatId, string $text): bool
+    public function sendMessage(int $chatId, string $text): void
     {
         if (! $this->botToken) {
-            return false;
+            return;
         }
 
         $query = [
@@ -48,8 +52,6 @@ class TelegramService
         $this->client->get('sendMessage', [
             'query' => $query,
         ]);
-
-        return true;
     }
 
     private function createGuzzleClient(string $uri): Client
@@ -66,4 +68,29 @@ class TelegramService
 
         return $this;
     }
+
+    private function ensureUserWantsToReceiveMessages(): bool
+    {
+        /** @var Request $request */
+        $request = Application::getInstance()->get(Request::class);
+
+        $initDataString = $request->header('X-Telegram-Initdata');
+
+        if (! $initDataString) {
+            return false;
+        }
+
+        parse_str($initDataString, $initData);
+        if (! isset($initData['user'])) {
+            return false;
+        }
+
+        try {
+            $user = json_decode($initData['user'], true, 512, JSON_THROW_ON_ERROR);
+            return ! empty($user['allows_write_to_pm']);
+        } catch (JsonException $e) {
+            $this->logger->logException($e);
+            return false;
+        }
+    }
 }
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramValidateInitDataMiddleware.php b/module/oc_telegram_shop/upload/oc_telegram_shop/framework/Telegram/TelegramValidateInitDataMiddleware.php
old mode 100644
new mode 100755
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/src/Exceptions/CustomExceptionHandler.php b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Exceptions/CustomExceptionHandler.php
new file mode 100644
index 0000000..537c79b
--- /dev/null
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Exceptions/CustomExceptionHandler.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Exceptions;
+
+use Openguru\OpenCartFramework\Contracts\ExceptionHandlerInterface;
+use Openguru\OpenCartFramework\Http\JsonResponse;
+use Openguru\OpenCartFramework\Http\Response;
+use Openguru\OpenCartFramework\Telegram\TelegramInvalidSignatureException;
+use Throwable;
+
+class CustomExceptionHandler implements ExceptionHandlerInterface
+{
+    public function respond(Throwable $exception): ?JsonResponse
+    {
+        if ($exception instanceof TelegramInvalidSignatureException) {
+            return new JsonResponse(['error' => 'Invalid Signature'], Response::HTTP_BAD_REQUEST);
+        }
+
+        return null;
+    }
+}
\ No newline at end of file
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/src/Handlers/SettingsHandler.php b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Handlers/SettingsHandler.php
index 16f4d91..79aee94 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/src/Handlers/SettingsHandler.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Handlers/SettingsHandler.php
@@ -89,10 +89,22 @@ class SettingsHandler
         $token = $request->json('token');
         $chatId = $request->json('chat_id');
 
+        if (! $token) {
+            return new JsonResponse([
+                'message' => 'Не задан Telegram BotToken',
+            ]);
+        }
+
+        if (! $chatId) {
+            return new JsonResponse([
+                'message' => 'Не задан ChatID.',
+            ]);
+        }
+
         $variables = [
             '{store_name}' => $this->settings->get('oc_store_name'),
             '{order_id}' => 777,
-            '{customer}' => 'Иван Вастльевич',
+            '{customer}' => 'Иван Васильевич',
             '{email}' => 'telegram@opencart.com',
             '{phone}' => '+79999999999',
             '{comment}' => 'Это тестовый заказ',
@@ -108,11 +120,13 @@ class SettingsHandler
             $this->telegramService
                 ->setBotToken($token)
                 ->sendMessage($chatId, $message);
+
             return new JsonResponse([
                 'message' => 'Сообщение отправлено. Проверьте Telegram.',
             ]);
         } catch (ClientException $exception) {
             $json = json_decode($exception->getResponse()->getBody(), true);
+
             return new JsonResponse([
                 'message' => $json['description'],
             ]);
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/src/ServiceProviders/AppServiceProvider.php b/module/oc_telegram_shop/upload/oc_telegram_shop/src/ServiceProviders/AppServiceProvider.php
index 6a3a2d0..ac64782 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/src/ServiceProviders/AppServiceProvider.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/src/ServiceProviders/AppServiceProvider.php
@@ -2,7 +2,9 @@
 
 namespace App\ServiceProviders;
 
+use App\Exceptions\CustomExceptionHandler;
 use Openguru\OpenCartFramework\Container\ServiceProvider;
+use Openguru\OpenCartFramework\Contracts\ExceptionHandlerInterface;
 use Openguru\OpenCartFramework\Router\Router;
 
 class AppServiceProvider extends ServiceProvider
@@ -10,5 +12,8 @@ class AppServiceProvider extends ServiceProvider
     public function register(): void
     {
         $this->container->get(Router::class)->loadRoutesFromFile(__DIR__ . '/../routes.php');
+        $this->container->singleton(ExceptionHandlerInterface::class, function () {
+            return new CustomExceptionHandler();
+        });
     }
 }
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/CartService.php b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/CartService.php
index 5debc2a..ef000d8 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/CartService.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/CartService.php
@@ -283,11 +283,13 @@ class CartService
 
             $lastTotal = $totals[count($totals) - 1] ?? false;
             $data['total'] = $lastTotal ? $lastTotal['value'] : 0;
+            $data['total_text'] = $lastTotal ? $this->oc->currency->format($lastTotal['value'], $this->oc->session->data['currency']) : 0;
             $data['total_products_count'] = $this->oc->cart->countProducts();
         } else {
             $data['text_error'] = $this->oc->language->get('text_empty');
             $data['totals'] = [];
             $data['total'] = 0;
+            $data['total_text'] = '';
             $data['products'] = [];
             $data['total_products_count'] = 0;
             unset($this->oc->session->data['success']);
diff --git a/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/OrderCreateService.php b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/OrderCreateService.php
index 5966e7b..d49827f 100755
--- a/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/OrderCreateService.php
+++ b/module/oc_telegram_shop/upload/oc_telegram_shop/src/Services/OrderCreateService.php
@@ -8,6 +8,7 @@ use Exception;
 use Openguru\OpenCartFramework\Config\Settings;
 use Openguru\OpenCartFramework\Logger\Logger;
 use Openguru\OpenCartFramework\QueryBuilder\Connections\ConnectionInterface;
+use Openguru\OpenCartFramework\Support\Arr;
 use Openguru\OpenCartFramework\Telegram\TelegramService;
 use Rakit\Validation\Validator;
 use RuntimeException;
@@ -82,7 +83,7 @@ class OrderCreateService
         $orderId = null;
 
         $this->database->transaction(
-            function () use ($orderData, $products, $totals, $orderStatusId, $now, &$orderId) {
+            function () use (&$orderData, $products, $totals, $orderStatusId, $now, &$orderId) {
                 $success = $this->database->insert(db_table('order'), $orderData);
 
                 if (! $success) {
@@ -163,52 +164,10 @@ class OrderCreateService
 
         $this->cartService->flush();
 
-        $chatId = $this->settings->get('telegram.chat_id');
-        $template = $this->settings->get('telegram.owner_notification_template');
-        $variables = [
-            '{store_name}' => $orderData['store_name'],
-            '{order_id}' => $orderId,
-            '{customer}' => $orderData['firstname'] . ' ' . $orderData['lastname'],
-            '{email}' => $orderData['email'],
-            '{phone}' => $orderData['telephone'],
-            '{comment}' => $orderData['comment'],
-            '{address}' => $orderData['shipping_address_1'],
-            '{total}' => $total,
-            '{ip}' => $orderData['ip'],
-            '{created_at}' => $now,
-        ];
+        $orderData['order_id'] = $orderId;
+        $orderData['total'] = $cart['total_text'] ?? '';
 
-        if ($chatId && $template) {
-            $message = $this->telegramService->prepareMessage($template, $variables);
-            try {
-                $this->telegramService->sendMessage($chatId, $message);
-            } catch (Exception $exception) {
-                $this->logger->error(
-                    'Telegram sendMessage error: ' . json_encode([
-                        'chat_id' => $chatId,
-                        'text' => $message,
-                    ])
-                );
-                $this->logger->logException($exception);
-            }
-        }
-
-        $customerChatId = $data['tgData']['id'] ?? null;
-        $template = $this->settings->get('telegram.customer_notification_template');
-        if ($customerChatId && $template) {
-            $message = $this->telegramService->prepareMessage($template, $variables);
-            try {
-                $this->telegramService->sendMessage($customerChatId, $message);
-            } catch (Exception $exception) {
-                $this->logger->error(
-                    'Telegram sendMessage error: ' . json_encode([
-                        'chat_id' => $chatId,
-                        'text' => $message,
-                    ])
-                );
-                $this->logger->logException($exception);
-            }
-        }
+        $this->sendNotifications($orderData, $data['tgData']);
     }
 
     private function validate(array $data): void
@@ -230,4 +189,47 @@ class OrderCreateService
             throw new OrderValidationFailedException($validation->errors());
         }
     }
+
+    private function sendNotifications(array $orderData, array $tgInitData): void
+    {
+        $variables = [
+            '{store_name}' => $orderData['store_name'],
+            '{order_id}' => $orderData['order_id'],
+            '{customer}' => $orderData['firstname'] . ' ' . $orderData['lastname'],
+            '{email}' => $orderData['email'],
+            '{phone}' => $orderData['telephone'],
+            '{comment}' => $orderData['comment'],
+            '{address}' => $orderData['shipping_address_1'],
+            '{total}' => $orderData['total'],
+            '{ip}' => $orderData['ip'],
+            '{created_at}' => $orderData['date_added'],
+        ];
+
+        $chatId = $this->settings->get('telegram.chat_id');
+        $template = $this->settings->get('telegram.owner_notification_template');
+
+        if ($chatId && $template) {
+            $message = $this->telegramService->prepareMessage($template, $variables);
+            try {
+                $this->telegramService->sendMessage($chatId, $message);
+            } catch (Exception $exception) {
+                $this->logger->error("Telegram sendMessage to owner error. ChatID: $chatId, Message: $message");
+                $this->logger->logException($exception);
+            }
+        }
+
+        $allowsWriteToPm = Arr::get($tgInitData, 'user.allows_write_to_pm', false);
+        $customerChatId = Arr::get($tgInitData, 'user.id');
+        $template = $this->settings->get('telegram.customer_notification_template');
+
+        if ($allowsWriteToPm && $customerChatId && $template) {
+            $message = $this->telegramService->prepareMessage($template, $variables);
+            try {
+                $this->telegramService->sendMessage($customerChatId, $message);
+            } catch (Exception $exception) {
+                $this->logger->error("Telegram sendMessage to customer error. ChatID: $chatId, Message: $message");
+                $this->logger->logException($exception);
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/spa/src/main.js b/spa/src/main.js
index 0682f9c..6af1725 100644
--- a/spa/src/main.js
+++ b/spa/src/main.js
@@ -19,9 +19,6 @@ app
     .use(VueTelegramPlugin);
 
 const settings = useSettingsStore();
-const categoriesStore = useCategoriesStore();
-categoriesStore.fetchTopCategories();
-categoriesStore.fetchCategories();
 
 settings.load()
     .then(() => {
@@ -37,6 +34,11 @@ settings.load()
             });
         }
     })
+    .then(() => {
+        const categoriesStore = useCategoriesStore();
+        categoriesStore.fetchTopCategories();
+        categoriesStore.fetchCategories();
+    })
     .then(() => new AppMetaInitializer(settings).init())
     .then(() => app.mount('#app'))
     .then(() => window.Telegram.WebApp.ready())
diff --git a/spa/src/stores/CartStore.js b/spa/src/stores/CartStore.js
index 023f0e3..248504f 100644
--- a/spa/src/stores/CartStore.js
+++ b/spa/src/stores/CartStore.js
@@ -16,7 +16,7 @@ export const useCartStore = defineStore('cart', {
 
     getters: {
         canCheckout: (state) => {
-            if (state.isLoading) {
+            if (state.isLoading || state.error_warning.length > 0) {
                 return false;
             }
         },
diff --git a/spa/src/stores/CheckoutStore.js b/spa/src/stores/CheckoutStore.js
index 235c887..92dc2e5 100644
--- a/spa/src/stores/CheckoutStore.js
+++ b/spa/src/stores/CheckoutStore.js
@@ -15,6 +15,7 @@ export const useCheckoutStore = defineStore('checkout', {
             tgData: null,
         },
 
+        isLoading: false,
         validationErrors: {},
     }),
 
@@ -27,19 +28,28 @@ export const useCheckoutStore = defineStore('checkout', {
     actions: {
         async makeOrder() {
             try {
+                this.isLoading = true;
                 const data = window.Telegram.WebApp.initDataUnsafe;
 
-                if (! data.allows_write_to_pm) {
-                    await window.Telegram.WebApp.requestWriteAccess((granted) => {
-                        if (granted) {
-                            console.log('Пользователь разрешил отправку сообщений');
-                        } else {
-                            alert('Вы не дали разрешение — бот не сможет отправлять вам уведомления');
-                        }
+                console.log("Allows write to PM: ", data.user.allows_write_to_pm);
+
+                if (! data.user.allows_write_to_pm) {
+                    console.log("Sending request");
+                    const granted = await new Promise(resolve => {
+                        window.Telegram.WebApp.requestWriteAccess((granted) => {
+                            resolve(granted);
+                        });
                     });
+
+                    if (granted) {
+                        data.user.allows_write_to_pm = true;
+                        console.log('Пользователь разрешил отправку сообщений');
+                    } else {
+                        alert('Вы не дали разрешение — бот не сможет отправлять вам уведомления');
+                    }
                 }
 
-                this.customer.tgData = data.user;
+                this.customer.tgData = data;
                 await storeOrder(this.customer);
                 await window.Telegram.WebApp.HapticFeedback.notificationOccurred('success');
                 await useCartStore().getProducts();
@@ -53,6 +63,8 @@ export const useCheckoutStore = defineStore('checkout', {
                 window.Telegram.WebApp.HapticFeedback.notificationOccurred('error');
 
                 throw error;
+            } finally {
+                this.isLoading = false;
             }
         },
 
diff --git a/spa/src/views/Cart.vue b/spa/src/views/Cart.vue
index 20583de..39ba6e6 100644
--- a/spa/src/views/Cart.vue
+++ b/spa/src/views/Cart.vue
@@ -90,7 +90,9 @@
             class="btn btn-primary"
             :disabled="cart.canCheckout === false"
             @click="goToCheckout"
-        >Перейти к оформлению</button>
+        >
+          Перейти к оформлению
+        </button>
       </div>
     </div>
 
diff --git a/spa/src/views/Checkout.vue b/spa/src/views/Checkout.vue
index bf35fda..788d249 100644
--- a/spa/src/views/Checkout.vue
+++ b/spa/src/views/Checkout.vue
@@ -55,7 +55,14 @@
     <div
         class="fixed px-4 pb-10 pt-4 bottom-0 left-0 w-full bg-base-200 z-50 flex flex-col justify-between items-center gap-2 border-t-1 border-t-base-300">
       <div v-if="error" class="text-error text-sm">{{ error }}</div>
-      <button class="btn btn-primary w-full" @click="onCreateBtnClick">Создать заказ</button>
+      <button
+          :disabled="checkout.isLoading"
+          class="btn btn-primary w-full"
+          @click="onCreateBtnClick"
+      >
+        <span v-if="checkout.isLoading" class="loading loading-spinner loading-sm"></span>
+        {{ btnText }}
+      </button>
     </div>
   </div>
 </template>
@@ -65,13 +72,16 @@ import {useCheckoutStore} from "@/stores/CheckoutStore.js";
 import TgInput from "@/components/Form/TgInput.vue";
 import TgTextarea from "@/components/Form/TgTextarea.vue";
 import {useRouter} from "vue-router";
-import {ref} from "vue";
+import {computed, ref} from "vue";
 
 const checkout = useCheckoutStore();
 const router = useRouter();
-
 const error = ref(null);
 
+const btnText = computed(() => {
+  return checkout.isLoading ? 'Подождите...' : 'Создать заказ';
+});
+
 async function onCreateBtnClick() {
   try {
     error.value = null;
diff --git a/spa/src/views/Product.vue b/spa/src/views/Product.vue
index 46426e7..399a96e 100644
--- a/spa/src/views/Product.vue
+++ b/spa/src/views/Product.vue
@@ -72,9 +72,10 @@
           <button
               class="btn btn-primary btn-lg w-full"
               :class="isInCart ? 'btn-success' : 'btn-primary'"
-              :disabled="canAddToCart === false"
+              :disabled="cart.isLoading || canAddToCart === false"
               @click="actionBtnClick"
           >
+            <span v-if="cart.isLoading" class="loading loading-spinner loading-sm"></span>
             {{ btnText }}
           </button>
         </div>