feat: send personal player notifications

src/GmRelay.Bot/Features/Sessions/CreateSession/CancelSessionHandler.cs

@@ -1,4 +1,5 @@
 using Dapper;
+using GmRelay.Bot.Features.Notifications;
 using GmRelay.Shared.Domain;
 using GmRelay.Shared.Rendering;
 using Npgsql;
@@ -15,11 +16,12 @@ public sealed record CancelSessionCommand(
     int MessageId);
 
 // DTOs for AOT compilation
-internal sealed record CancelSessionInfoDto(string Title, Guid BatchId, long GmId);
+internal sealed record CancelSessionInfoDto(string Title, Guid BatchId, long GmId, string NotificationMode);
 
 public sealed class CancelSessionHandler(
     NpgsqlDataSource dataSource,
     ITelegramBotClient bot,
+    DirectSessionNotificationSender directSender,
     ILogger<CancelSessionHandler> logger)
 {
     public async Task HandleAsync(CancelSessionCommand command, CancellationToken ct)
@@ -29,7 +31,7 @@ public sealed class CancelSessionHandler(
         
         // 1. Проверяем, что запрос делает ГМ данной сессии
         var session = await connection.QuerySingleOrDefaultAsync<CancelSessionInfoDto>(
-            @"SELECT s.title as Title, s.batch_id as BatchId, g.gm_telegram_id as GmId
+            @"SELECT s.title as Title, s.batch_id as BatchId, g.gm_telegram_id as GmId, s.notification_mode as NotificationMode
               FROM sessions s
               JOIN game_groups g ON s.group_id = g.id
               WHERE s.id = @SessionId",
@@ -73,6 +75,19 @@ public sealed class CancelSessionHandler(
               ORDER BY sp.registration_status ASC, sp.created_at ASC, sp.responded_at ASC, p.created_at ASC",
             new { BatchId = session.BatchId }, transaction);
 
+        var directRecipients = (await connection.QueryAsync<DirectNotificationRecipient>(
+            """
+            SELECT p.telegram_id AS TelegramId,
+                   p.display_name AS DisplayName
+            FROM session_participants sp
+            JOIN players p ON sp.player_id = p.id
+            WHERE sp.session_id = @SessionId
+              AND sp.is_gm = false
+              AND sp.registration_status = @Active
+            """,
+            new { command.SessionId, Active = ParticipantRegistrationStatus.Active },
+            transaction)).ToList();
+
         await transaction.CommitAsync(ct);
 
         // 4. Перерисовываем сообщение
@@ -92,6 +107,17 @@ public sealed class CancelSessionHandler(
             
             // Опционально: написать отдельное сообщение в чат
             await bot.SendMessage(command.ChatId, $"❌ <b>Внимание!</b> Сессия \"{System.Net.WebUtility.HtmlEncode(session.Title)}\" отменена.", parseMode: Telegram.Bot.Types.Enums.ParseMode.Html, cancellationToken: ct);
+
+            var mode = SessionNotificationModeExtensions.FromDatabaseValue(session.NotificationMode);
+            if (mode.ShouldSendDirectMessages())
+            {
+                await directSender.SendAsync(
+                    directRecipients,
+                    $"❌ <b>Сессия отменена</b>\n\n📌 <b>{System.Net.WebUtility.HtmlEncode(session.Title)}</b>",
+                    "session-cancelled",
+                    command.SessionId,
+                    ct);
+            }
         }
         catch (Exception ex)
         {