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 +1,123 @@
+using Dapper;
+using Npgsql;
+using Telegram.Bot;
+using GmRelay.Bot.Domain;
+
+namespace GmRelay.Bot.Features.Sessions.ListSessions;
+
+public sealed record DeleteSessionCommand(
+    Guid SessionId,
+    long TelegramUserId,
+    string CallbackQueryId,
+    long ChatId,
+    int MessageId);
+
+internal sealed record DeleteSessionInfoDto(string Title, Guid BatchId, long GmId, int? ThreadId);
+
+public sealed class DeleteSessionHandler(
+    NpgsqlDataSource dataSource,
+    ITelegramBotClient bot,
+    ILogger<DeleteSessionHandler> logger)
+{
+    public async Task HandleAsync(DeleteSessionCommand command, CancellationToken ct)
+    {
+        await using var connection = await dataSource.OpenConnectionAsync(ct);
+        await using var transaction = await connection.BeginTransactionAsync(ct);
+
+        // 1. Fetch session and verify GM
+        var session = await connection.QuerySingleOrDefaultAsync<DeleteSessionInfoDto>(
+            @"SELECT s.title as Title, s.batch_id as BatchId, s.thread_id as ThreadId, g.gm_telegram_id as GmId
+              FROM sessions s
+              JOIN game_groups g ON s.group_id = g.id
+              WHERE s.id = @SessionId",
+            new { command.SessionId }, transaction);
+
+        if (session == null)
+        {
+            await bot.AnswerCallbackQuery(command.CallbackQueryId, "Сессия не найдена.", cancellationToken: ct);
+            return;
+        }
+
+        if (session.GmId != command.TelegramUserId)
+        {
+            await bot.AnswerCallbackQuery(command.CallbackQueryId, "Только Мастер Игры (GM) может удалять сессию.", showAlert: true, cancellationToken: ct);
+            return;
+        }
+
+        // 2. Delete session
+        await connection.ExecuteAsync("DELETE FROM sessions WHERE id = @Id", new { Id = command.SessionId }, transaction);
+
+        // 3. Check if any sessions are left in the batch
+        var remainingInBatch = await connection.ExecuteScalarAsync<int>(
+            "SELECT COUNT(*) FROM sessions WHERE batch_id = @BatchId",
+            new { BatchId = session.BatchId }, transaction);
+
+        await transaction.CommitAsync(ct);
+
+        // 4. If no sessions left and we have a forum topic, delete the topic
+        if (remainingInBatch == 0 && session.ThreadId.HasValue)
+        {
+            try
+            {
+                await bot.DeleteForumTopic(command.ChatId, session.ThreadId.Value, cancellationToken: ct);
+                logger.LogInformation("Deleted forum topic {ThreadId} for batch {BatchId} as no sessions remained.", session.ThreadId.Value, session.BatchId);
+            }
+            catch (Exception ex)
+            {
+                logger.LogWarning(ex, "Failed to delete forum topic {ThreadId}", session.ThreadId.Value);
+            }
+        }
+
+        await bot.AnswerCallbackQuery(command.CallbackQueryId, "Сессия удалена!", cancellationToken: ct);
+
+        // 5. Update the /listsessions message (we delete the message or edit it to remove the button)
+        // A simple way is to re-render the list:
+        await using var readConnection = await dataSource.OpenConnectionAsync(ct);
+        var sessions = await readConnection.QueryAsync<SessionListItemDto>(
+            @"SELECT s.id as Id, s.title as Title, s.scheduled_at as ScheduledAt, s.status as Status, 
+                     COUNT(sp.id) FILTER (WHERE sp.is_gm = false) as PlayerCount,
+                     g.gm_telegram_id as GmId
+              FROM sessions s
+              JOIN game_groups g ON s.group_id = g.id
+              LEFT JOIN session_participants sp ON s.id = sp.session_id
+              WHERE g.telegram_chat_id = @ChatId AND s.status != 'Cancelled' AND s.scheduled_at > NOW()
+              GROUP BY s.id, s.title, s.scheduled_at, s.status, g.gm_telegram_id
+              ORDER BY s.scheduled_at ASC",
+            new { ChatId = command.ChatId });
+
+        var sessionsList = sessions.ToList();
+
+        if (sessionsList.Count == 0)
+        {
+            try { await bot.EditMessageText(command.ChatId, command.MessageId, "📭 В этой группе нет предстоящих игр.", cancellationToken: ct); } catch {}
+            return;
+        }
+
+        var text = "📅 <b>Ближайшие игры:</b>\n\n";
+        foreach (var s in sessionsList)
+        {
+            text += $"🔹 <b>{s.ScheduledAt.FormatMoscow()}</b> — {System.Net.WebUtility.HtmlEncode(s.Title)} (Участников: {s.PlayerCount})\n";
+        }
+
+        var isGm = command.TelegramUserId == sessionsList.First().GmId;
+        var keyboard = isGm 
+            ? new Telegram.Bot.Types.ReplyMarkups.InlineKeyboardMarkup(
+                sessionsList.Select(s => new[] { Telegram.Bot.Types.ReplyMarkups.InlineKeyboardButton.WithCallbackData($"🗑 Удалить {s.ScheduledAt.FormatMoscowShort()}", $"delete_session:{s.Id}") }))
+            : null;
+
+        try
+        {
+            await bot.EditMessageText(
+                command.ChatId,
+                command.MessageId,
+                text,
+                parseMode: Telegram.Bot.Types.Enums.ParseMode.Html,
+                replyMarkup: keyboard,
+                cancellationToken: ct);
+        }
+        catch (Exception ex)
+        {
+            logger.LogWarning(ex, "Failed to edit list sessions message");
+        }
+    }
+}
@@ -0,0 +1,61 @@
+using Dapper;
+using GmRelay.Bot.Domain;
+using Npgsql;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+
+namespace GmRelay.Bot.Features.Sessions.ListSessions;
+
+internal sealed record SessionListItemDto(Guid Id, string Title, DateTime ScheduledAt, string Status, int PlayerCount, long GmId);
+
+public sealed class ListSessionsHandler(
+    NpgsqlDataSource dataSource,
+    ITelegramBotClient botClient)
+{
+    public async Task HandleAsync(Message message, CancellationToken cancellationToken)
+    {
+        await using var connection = await dataSource.OpenConnectionAsync(cancellationToken);
+
+        var sessions = await connection.QueryAsync<SessionListItemDto>(
+            @"SELECT s.id as Id, s.title as Title, s.scheduled_at as ScheduledAt, s.status as Status, 
+                     COUNT(sp.id) FILTER (WHERE sp.is_gm = false) as PlayerCount,
+                     g.gm_telegram_id as GmId
+              FROM sessions s
+              JOIN game_groups g ON s.group_id = g.id
+              LEFT JOIN session_participants sp ON s.id = sp.session_id
+              WHERE g.telegram_chat_id = @ChatId AND s.status != 'Cancelled' AND s.scheduled_at > NOW()
+              GROUP BY s.id, s.title, s.scheduled_at, s.status, g.gm_telegram_id
+              ORDER BY s.scheduled_at ASC",
+            new { ChatId = message.Chat.Id });
+
+        var sessionsList = sessions.ToList();
+
+        if (sessionsList.Count == 0)
+        {
+            await botClient.SendMessage(
+                chatId: message.Chat.Id,
+                text: "📭 В этой группе нет предстоящих игр.",
+                cancellationToken: cancellationToken);
+            return;
+        }
+
+        var text = "📅 <b>Ближайшие игры:</b>\n\n";
+        foreach (var s in sessionsList)
+        {
+            text += $"🔹 <b>{s.ScheduledAt.FormatMoscow()}</b> — {System.Net.WebUtility.HtmlEncode(s.Title)} (Участников: {s.PlayerCount})\n";
+        }
+
+        var isGm = message.From?.Id == sessionsList.First().GmId;
+        var keyboard = isGm 
+            ? new Telegram.Bot.Types.ReplyMarkups.InlineKeyboardMarkup(
+                sessionsList.Select(s => new[] { Telegram.Bot.Types.ReplyMarkups.InlineKeyboardButton.WithCallbackData($"🗑 Удалить {s.ScheduledAt.FormatMoscowShort()}", $"delete_session:{s.Id}") }))
+            : null;
+
+        await botClient.SendMessage(
+            chatId: message.Chat.Id,
+            text: text,
+            parseMode: Telegram.Bot.Types.Enums.ParseMode.Html,
+            replyMarkup: keyboard,
+            cancellationToken: cancellationToken);
+    }
+}