Squashed commit message

backend/src/app/Handlers/TelegramHandler.php

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+<?php
+
+namespace App\Handlers;
+
+use GuzzleHttp\Exception\GuzzleException;
+use Mockery\Exception;
+use Openguru\OpenCartFramework\Cache\CacheInterface;
+use Openguru\OpenCartFramework\Container\Container;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Openguru\OpenCartFramework\Http\Request;
+use Psr\Log\LoggerInterface;
+use Openguru\OpenCartFramework\Support\Arr;
+use Openguru\OpenCartFramework\Telegram\Contracts\TelegramCommandInterface;
+use Openguru\OpenCartFramework\Telegram\Exceptions\TelegramCommandNotFoundException;
+use Openguru\OpenCartFramework\Telegram\TelegramBotStateManager;
+use Openguru\OpenCartFramework\Telegram\TelegramCommandsRegistry;
+use Openguru\OpenCartFramework\Telegram\TelegramService;
+
+class TelegramHandler
+{
+    private CacheInterface $cache;
+    private TelegramCommandsRegistry $telegramCommandsRegistry;
+    private Container $container;
+    private TelegramBotStateManager $telegramBotStateManager;
+    private LoggerInterface $logger;
+    private TelegramService $telegramService;
+
+    public function __construct(
+        CacheInterface $cache,
+        TelegramCommandsRegistry $telegramCommandsRegistry,
+        Container $container,
+        TelegramBotStateManager $telegramBotStateManager,
+        LoggerInterface $logger,
+        TelegramService $telegramService
+    ) {
+        $this->cache = $cache;
+        $this->telegramCommandsRegistry = $telegramCommandsRegistry;
+        $this->container = $container;
+        $this->telegramBotStateManager = $telegramBotStateManager;
+        $this->logger = $logger;
+        $this->telegramService = $telegramService;
+    }
+
+    /**
+     * @throws GuzzleException
+     * @throws \JsonException
+     */
+    public function webhook(Request $request): JsonResponse
+    {
+        $this->logger->debug('Webhook received');
+
+        $update = $request->json();
+        $message = $update['message'] ?? null;
+        if (! $message) {
+            return new JsonResponse([]);
+        }
+
+        $userId = $update['message']['from']['id'];
+        $chatId = $update['message']['chat']['id'];
+
+        try {
+            $message = Arr::get($update, 'message', []);
+
+            $this->cache->set('tg_latest_msg', $message, 60);
+
+            $text = Arr::get($message, 'text', '');
+
+            // command starts from "/"
+            if (strpos($text, '/') === 0) {
+                $this->telegramBotStateManager->clearState($userId, $chatId);
+                $command = substr($text, 1);
+                $handler = $this->telegramCommandsRegistry->resolve($command);
+
+                /** @var TelegramCommandInterface $concrete */
+                $concrete = $this->container->get($handler);
+                $concrete->handle($update);
+
+                return new JsonResponse([]);
+            }
+
+            // Continue state
+            $hasState = $this->telegramBotStateManager->hasState($userId, $chatId);
+            if ($hasState) {
+                $handler = $this->telegramBotStateManager->getCurrentStateCommandHandler($userId, $chatId);
+                /** @var TelegramCommandInterface $concrete */
+                $concrete = $this->container->get($handler);
+                $concrete->handle($update);
+
+                return new JsonResponse([]);
+            }
+        } catch (TelegramCommandNotFoundException $exception) {
+            $this->telegramService->sendMessage($chatId, 'Неверная команда');
+        } catch (Exception $exception) {
+            $this->logger->error($exception->getMessage(), ['exception' => $exception]);
+        }
+
+        return new JsonResponse([]);
+    }
+}