add architecture skeleton

2026-04-19 13:12:04 +03:00
parent 312708531f
commit 2738f31f26
84 changed files with 2710 additions and 70 deletions
@@ -0,0 +1,53 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Telegram.Bot;
+using Telegram.Bot.Polling;
+using Telegram.Bot.Types.Enums;
+
+namespace GymLogAI.TelegramBot;
+
+public sealed class TelegramBotHostedService(
+    ITelegramBotClient botClient,
+    IServiceProvider serviceProvider,
+    IOptions<TelegramBotOptions> options,
+    ILogger<TelegramBotHostedService> logger) : BackgroundService
+{
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        if (string.IsNullOrWhiteSpace(options.Value.BotToken))
+        {
+            logger.LogWarning("Telegram bot token is not configured. Bot polling is disabled.");
+            return;
+        }
+
+        var receiverOptions = new ReceiverOptions
+        {
+            AllowedUpdates = [UpdateType.Message]
+        };
+
+        botClient.StartReceiving(
+            async (client, update, cancellationToken) =>
+            {
+                await using var scope = serviceProvider.CreateAsyncScope();
+                var handler = scope.ServiceProvider.GetRequiredService<UpdateHandler>();
+                await handler.HandleUpdateAsync(client, update, cancellationToken);
+            },
+            async (client, exception, cancellationToken) =>
+            {
+                await using var scope = serviceProvider.CreateAsyncScope();
+                var handler = scope.ServiceProvider.GetRequiredService<UpdateHandler>();
+                await handler.HandleErrorAsync(client, exception, cancellationToken);
+            },
+            receiverOptions,
+            stoppingToken);
+
+        logger.LogInformation("Telegram bot long polling started.");
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            await Task.Delay(TimeSpan.FromSeconds(options.Value.PollingTimeoutSeconds), stoppingToken);
+        }
+    }
+}