Initial commit: GM-Relay Telegram Bot

2026-04-13 13:52:49 +03:00
commit 9db4bee2f6
51 changed files with 3407 additions and 0 deletions
@@ -0,0 +1,99 @@
+using Dapper;
+using Npgsql;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.ReplyMarkups;
+using GmRelay.Bot.Domain;
+
+namespace GmRelay.Bot.Features.Sessions.CreateSession;
+
+public sealed record JoinSessionCommand(
+    Guid SessionId,
+    long TelegramUserId,
+    string DisplayName,
+    string? TelegramUsername,
+    string CallbackQueryId,
+    long ChatId,
+    int MessageId);
+
+// DTOs for AOT compilation
+internal sealed record JoinSessionBatchDto(Guid BatchId, string Title);
+
+public sealed class JoinSessionHandler(
+    NpgsqlDataSource dataSource,
+    ITelegramBotClient bot,
+    ILogger<JoinSessionHandler> logger)
+{
+    public async Task HandleAsync(JoinSessionCommand command, CancellationToken ct)
+    {
+        await using var connection = await dataSource.OpenConnectionAsync(ct);
+        await using var transaction = await connection.BeginTransactionAsync(ct);
+
+        try
+        {
+            // 1. Убеждаемся, что игрок есть в базе
+            var playerId = await connection.ExecuteScalarAsync<Guid>(
+                @"INSERT INTO players (telegram_id, display_name, telegram_username) 
+                  VALUES (@TgId, @Name, @Username)
+                  ON CONFLICT (telegram_id) DO UPDATE SET display_name = EXCLUDED.display_name, telegram_username = EXCLUDED.telegram_username
+                  RETURNING id;",
+                new { TgId = command.TelegramUserId, Name = command.DisplayName, Username = command.TelegramUsername },
+                transaction);
+
+            // 2. Добавляем в участники сессии (статус Pending, так как за 24 часа нужно будет финальное подтверждение)
+            var inserted = await connection.ExecuteAsync(
+                @"INSERT INTO session_participants (session_id, player_id, is_gm, rsvp_status)
+                  VALUES (@SessionId, @PlayerId, false, 'Pending')
+                  ON CONFLICT (session_id, player_id) DO NOTHING;",
+                new { SessionId = command.SessionId, PlayerId = playerId },
+                transaction);
+
+            if (inserted == 0)
+            {
+                await transaction.RollbackAsync(ct);
+                await bot.AnswerCallbackQuery(command.CallbackQueryId, "Вы уже записаны!", cancellationToken: ct);
+                return;
+            }
+
+            // 3. Получаем batch_id по session_id
+            var batchInfo = await connection.QuerySingleAsync<JoinSessionBatchDto>(
+                @"SELECT batch_id as BatchId, title as Title FROM sessions WHERE id = @SessionId",
+                new { command.SessionId }, transaction);
+
+            // Загружаем весь батч для перерисовки
+            var batchSessions = await connection.QueryAsync<SessionBatchDto>(
+                @"SELECT id as SessionId, scheduled_at as ScheduledAt, status as Status FROM sessions WHERE batch_id = @BatchId ORDER BY scheduled_at",
+                new { BatchId = batchInfo.BatchId }, transaction);
+
+            var batchParticipants = await connection.QueryAsync<ParticipantBatchDto>(
+                @"SELECT sp.session_id as SessionId, p.display_name as DisplayName, p.telegram_username as TelegramUsername 
+                  FROM session_participants sp
+                  JOIN players p ON sp.player_id = p.id
+                  JOIN sessions s ON sp.session_id = s.id
+                  WHERE s.batch_id = @BatchId AND sp.is_gm = false
+                  ORDER BY sp.responded_at ASC, p.created_at ASC",
+                new { BatchId = batchInfo.BatchId }, transaction);
+
+            await transaction.CommitAsync(ct);
+
+            // 4. Перерисовываем сообщение
+            var renderResult = SessionBatchRenderer.Render(batchInfo.Title, batchSessions.ToList(), batchParticipants.ToList());
+
+            await bot.EditMessageText(
+                chatId: command.ChatId,
+                messageId: command.MessageId,
+                text: renderResult.Text,
+                parseMode: Telegram.Bot.Types.Enums.ParseMode.Html,
+                replyMarkup: renderResult.Markup,
+                cancellationToken: ct);
+
+            await bot.AnswerCallbackQuery(command.CallbackQueryId, "Вы успешно записаны!", cancellationToken: ct);
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "Ошибка при добавлении игрока к сессии");
+            await transaction.RollbackAsync(ct);
+            await bot.AnswerCallbackQuery(command.CallbackQueryId, "Произошла ошибка при регистрации.", cancellationToken: ct);
+        }
+    }
+}