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 +1,82 @@
+using GymLogAI.Application.Handlers;
+using GymLogAI.Core.Enums;
+using Microsoft.Extensions.Logging;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.Enums;
+
+namespace GymLogAI.TelegramBot;
+
+public sealed class UpdateHandler(
+    ImportTelegramMessageHandler importTelegramMessageHandler,
+    RecommendWorkoutHandler recommendWorkoutHandler,
+    ILogger<UpdateHandler> logger)
+{
+    public async Task HandleUpdateAsync(ITelegramBotClient botClient, Update update, CancellationToken cancellationToken)
+    {
+        if (update.Type != UpdateType.Message || update.Message?.Text is null)
+        {
+            return;
+        }
+
+        var message = update.Message;
+        var text = message.Text.Trim();
+
+        if (text.Equals("/start", StringComparison.OrdinalIgnoreCase))
+        {
+            await botClient.SendMessage(
+                message.Chat.Id,
+                "GymLogAI bot is ready. Send workout text or use /today for a recommendation.",
+                cancellationToken: cancellationToken);
+            return;
+        }
+
+        if (text.Equals("/today", StringComparison.OrdinalIgnoreCase))
+        {
+            var userId = CreateUserId(message.From?.Id ?? message.Chat.Id);
+            var recommendation = await recommendWorkoutHandler.HandleAsync(
+                new RecommendWorkoutCommand(userId, GoalType.Maintain, "Requested from Telegram command /today"),
+                cancellationToken);
+
+            await botClient.SendMessage(
+                message.Chat.Id,
+                $"{recommendation.Title}\n{recommendation.Summary}\nExercises: {string.Join(", ", recommendation.Exercises)}",
+                cancellationToken: cancellationToken);
+            return;
+        }
+
+        var importedMessageId = await importTelegramMessageHandler.HandleAsync(
+            new ImportTelegramMessageCommand(
+                CreateUserId(message.From?.Id ?? message.Chat.Id),
+                message.From?.Id ?? message.Chat.Id,
+                message.Chat.Id,
+                message.MessageId,
+                text,
+                message.Date.ToUniversalTime(),
+                message.From?.Username,
+                message.From?.FirstName,
+                message.From?.LastName),
+            cancellationToken);
+
+        logger.LogInformation("Imported telegram message {MessageId} from chat {ChatId}", importedMessageId, message.Chat.Id);
+
+        await botClient.SendMessage(
+            message.Chat.Id,
+            "Message imported. It will be parsed by the worker shortly.",
+            cancellationToken: cancellationToken);
+    }
+
+    public Task HandleErrorAsync(ITelegramBotClient botClient, Exception exception, CancellationToken cancellationToken)
+    {
+        logger.LogError(exception, "Telegram bot polling error");
+        return Task.CompletedTask;
+    }
+
+    private static Guid CreateUserId(long telegramUserId)
+    {
+        Span<byte> buffer = stackalloc byte[16];
+        BitConverter.TryWriteBytes(buffer[..8], telegramUserId);
+        BitConverter.TryWriteBytes(buffer[8..], telegramUserId);
+        return new Guid(buffer);
+    }
+}