Files
GmRelayBot/src/GmRelay.Bot/Features/Reminders/SendJoinLink/SendJoinLinkHandler.cs
T
Toutsu a8f2b10956
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feat: send personal player notifications
2026-04-27 10:11:11 +03:00

132 lines
4.7 KiB
C#

using Dapper;
using GmRelay.Bot.Features.Notifications;
using GmRelay.Shared.Domain;
using Npgsql;
using Telegram.Bot;
namespace GmRelay.Bot.Features.Reminders.SendJoinLink;
// ── DTOs ─────────────────────────────────────────────────────────────
internal sealed record JoinLinkSession(
Guid Id,
string Title,
string JoinLink,
DateTime ScheduledAt,
long TelegramChatId,
string NotificationMode);
internal sealed record ConfirmedPlayer(
long TelegramId,
string DisplayName,
string? TelegramUsername);
// ── Handler ──────────────────────────────────────────────────────────
/// <summary>
/// Sends the join link to the group chat at T-5min, tagging all confirmed players.
/// Called by SessionSchedulerService.
/// </summary>
public sealed class SendJoinLinkHandler(
NpgsqlDataSource dataSource,
ITelegramBotClient bot,
DirectSessionNotificationSender directSender,
ILogger<SendJoinLinkHandler> logger)
{
public async Task HandleAsync(Guid sessionId, CancellationToken ct)
{
await using var connection = await dataSource.OpenConnectionAsync(ct);
// 1. Load session
var session = await connection.QuerySingleOrDefaultAsync<JoinLinkSession>(
"""
SELECT s.id, s.title, s.join_link AS JoinLink, s.scheduled_at AS ScheduledAt,
g.telegram_chat_id AS TelegramChatId,
s.notification_mode AS NotificationMode
FROM sessions s
JOIN game_groups g ON g.id = s.group_id
WHERE s.id = @SessionId
AND s.status = @Confirmed
AND s.link_message_id IS NULL
""",
new { SessionId = sessionId, Confirmed = SessionStatus.Confirmed });
if (session is null)
{
logger.LogWarning("Session {SessionId} not eligible for join link", sessionId);
return;
}
// 2. Load confirmed players
var players = (await connection.QueryAsync<ConfirmedPlayer>(
"""
SELECT p.telegram_id AS TelegramId,
p.display_name AS DisplayName,
p.telegram_username AS TelegramUsername
FROM session_participants sp
JOIN players p ON p.id = sp.player_id
WHERE sp.session_id = @SessionId
AND sp.rsvp_status = @Confirmed
AND sp.registration_status = @Active
""",
new
{
SessionId = sessionId,
Confirmed = RsvpStatus.Confirmed,
Active = ParticipantRegistrationStatus.Active
})).ToList();
// 3. Build message with player mentions
var mentions = string.Join(", ", players.Select(p =>
p.TelegramUsername is not null ? $"@{p.TelegramUsername}" : p.DisplayName));
var text = $"""
🎮 Игра «{session.Title}» начинается через 5 минут!
🔗 Ссылка на подключение:
{session.JoinLink}
Участники: {mentions}
Хорошей игры! 🎲
""";
// 4. Send
var message = await bot.SendMessage(
chatId: session.TelegramChatId,
text: text,
cancellationToken: ct);
// 5. Mark as sent (idempotent — link_message_id IS NULL guard in query)
await connection.ExecuteAsync(
"""
UPDATE sessions
SET link_message_id = @MessageId, updated_at = now()
WHERE id = @SessionId AND link_message_id IS NULL
""",
new { SessionId = sessionId, MessageId = message.MessageId });
var mode = SessionNotificationModeExtensions.FromDatabaseValue(session.NotificationMode);
if (mode.ShouldSendDirectMessages())
{
var directText = $"""
🎮 <b>Игра начинается через 5 минут</b>
📌 <b>{System.Net.WebUtility.HtmlEncode(session.Title)}</b>
🔗 {System.Net.WebUtility.HtmlEncode(session.JoinLink)}
""";
await directSender.SendAsync(
players.Select(p => new DirectNotificationRecipient(p.TelegramId, p.DisplayName)),
directText,
"join-link",
sessionId,
ct);
}
logger.LogInformation(
"Join link sent for session {SessionId} ({Title}), message_id={MessageId}",
sessionId, session.Title, message.MessageId);
}
}