feat: add session capacity waitlist

2026-04-24 13:28:01 +03:00
parent 675ac1226e
commit 9c91057798
34 changed files with 915 additions and 110 deletions
@@ -7,7 +7,21 @@ using Telegram.Bot;
 namespace GmRelay.Web.Services;

 public sealed record WebGameGroup(Guid Id, long TelegramChatId, string Name, long GmTelegramId);
-public sealed record WebSession(Guid Id, Guid GroupId, string Title, DateTime ScheduledAt, string Status, string JoinLink, Guid BatchId, int? BatchMessageId, long TelegramChatId);
+public sealed record WebSession(
+    Guid Id,
+    Guid GroupId,
+    string Title,
+    DateTime ScheduledAt,
+    string Status,
+    string JoinLink,
+    Guid BatchId,
+    int? BatchMessageId,
+    long TelegramChatId,
+    int? MaxPlayers,
+    int ActivePlayerCount,
+    int WaitlistedPlayerCount);
+
+internal sealed record WebPromotedParticipantDto(Guid ParticipantRowId, string DisplayName);

 public sealed class SessionService(
    NpgsqlDataSource dataSource,
@@ -36,12 +50,34 @@ public sealed class SessionService(
        return (await conn.QueryAsync<WebSession>(
            @"SELECT s.id, s.group_id AS GroupId, s.title, s.scheduled_at AS ScheduledAt, s.status, s.join_link AS JoinLink,
                     s.batch_id AS BatchId, s.batch_message_id AS BatchMessageId,
-                     g.telegram_chat_id AS TelegramChatId
+                     g.telegram_chat_id AS TelegramChatId,
+                     s.max_players AS MaxPlayers,
+                     COALESCE(active_counts.count, 0)::int AS ActivePlayerCount,
+                     COALESCE(waitlist_counts.count, 0)::int AS WaitlistedPlayerCount
              FROM sessions s
              JOIN game_groups g ON g.id = s.group_id
+              LEFT JOIN LATERAL (
+                  SELECT COUNT(*) AS count
+                  FROM session_participants sp
+                  WHERE sp.session_id = s.id
+                    AND sp.is_gm = false
+                    AND sp.registration_status = @Active
+              ) active_counts ON true
+              LEFT JOIN LATERAL (
+                  SELECT COUNT(*) AS count
+                  FROM session_participants sp
+                  WHERE sp.session_id = s.id
+                    AND sp.is_gm = false
+                    AND sp.registration_status = @Waitlisted
+              ) waitlist_counts ON true
              WHERE s.group_id = @GroupId AND s.scheduled_at > now() - interval '4 hours'
              ORDER BY s.scheduled_at",
-            new { GroupId = groupId })).ToList();
+            new
+            {
+                GroupId = groupId,
+                Active = ParticipantRegistrationStatus.Active,
+                Waitlisted = ParticipantRegistrationStatus.Waitlisted
+            })).ToList();
    }

    public async Task<WebSession?> GetSessionAsync(Guid sessionId)
@@ -50,14 +86,36 @@ public sealed class SessionService(
        return await conn.QuerySingleOrDefaultAsync<WebSession>(
            @"SELECT s.id, s.group_id AS GroupId, s.title, s.scheduled_at AS ScheduledAt, s.status, s.join_link AS JoinLink,
                     s.batch_id AS BatchId, s.batch_message_id AS BatchMessageId,
-                     g.telegram_chat_id AS TelegramChatId
+                     g.telegram_chat_id AS TelegramChatId,
+                     s.max_players AS MaxPlayers,
+                     COALESCE(active_counts.count, 0)::int AS ActivePlayerCount,
+                     COALESCE(waitlist_counts.count, 0)::int AS WaitlistedPlayerCount
              FROM sessions s
              JOIN game_groups g ON g.id = s.group_id
+              LEFT JOIN LATERAL (
+                  SELECT COUNT(*) AS count
+                  FROM session_participants sp
+                  WHERE sp.session_id = s.id
+                    AND sp.is_gm = false
+                    AND sp.registration_status = @Active
+              ) active_counts ON true
+              LEFT JOIN LATERAL (
+                  SELECT COUNT(*) AS count
+                  FROM session_participants sp
+                  WHERE sp.session_id = s.id
+                    AND sp.is_gm = false
+                    AND sp.registration_status = @Waitlisted
+              ) waitlist_counts ON true
              WHERE s.id = @SessionId",
-            new { SessionId = sessionId });
+            new
+            {
+                SessionId = sessionId,
+                Active = ParticipantRegistrationStatus.Active,
+                Waitlisted = ParticipantRegistrationStatus.Waitlisted
+            });
    }

-    public async Task UpdateSessionAsync(Guid sessionId, Guid groupId, string title, DateTime scheduledAt, string joinLink)
+    public async Task UpdateSessionAsync(Guid sessionId, Guid groupId, string title, DateTime scheduledAt, string joinLink, int? maxPlayers)
    {
        await using var conn = await dataSource.OpenConnectionAsync();
        await using var transaction = await conn.BeginTransactionAsync();
@@ -65,7 +123,10 @@ public sealed class SessionService(
        var oldSession = await conn.QuerySingleOrDefaultAsync<WebSession>(
            @"SELECT s.id, s.group_id AS GroupId, s.title, s.scheduled_at AS ScheduledAt, s.status, s.join_link AS JoinLink,
                     s.batch_id AS BatchId, s.batch_message_id AS BatchMessageId,
-                     g.telegram_chat_id AS TelegramChatId
+                     g.telegram_chat_id AS TelegramChatId,
+                     s.max_players AS MaxPlayers,
+                     0 AS ActivePlayerCount,
+                     0 AS WaitlistedPlayerCount
              FROM sessions s
              JOIN game_groups g ON g.id = s.group_id
              WHERE s.id = @Id AND s.group_id = @GroupId",
@@ -82,9 +143,18 @@ public sealed class SessionService(
              SET title = @Title,
                  scheduled_at = @ScheduledAt,
                  join_link = @JoinLink,
+                  max_players = @MaxPlayers,
                  updated_at = now()
              WHERE id = @Id AND group_id = @GroupId",
-            new { Id = sessionId, GroupId = groupId, Title = title, ScheduledAt = scheduledAt, JoinLink = joinLink },
+            new
+            {
+                Id = sessionId,
+                GroupId = groupId,
+                Title = title,
+                ScheduledAt = scheduledAt,
+                JoinLink = joinLink,
+                MaxPlayers = maxPlayers
+            },
            transaction);

        if (updatedRows == 0)
@@ -102,7 +172,9 @@ public sealed class SessionService(
        var timeChanged = oldSession.ScheduledAt != scheduledAt;
        var notification = $"🔄 <b>Мастер обновил игру!</b>\n\n" +
                           $"📌 <b>{System.Net.WebUtility.HtmlEncode(title)}</b>\n" +
-                           $"📅 Время: <b>{scheduledAt.FormatMoscow()}</b> (МСК)" + (timeChanged ? " (изменено)" : "");
+                           $"📅 Время: <b>{scheduledAt.FormatMoscow()}</b> (МСК)" + (timeChanged ? " (изменено)" : "") +
+                           "\n" +
+                           $"👥 Мест: <b>{(maxPlayers.HasValue ? maxPlayers.Value.ToString(System.Globalization.CultureInfo.InvariantCulture) : "без лимита")}</b>";

        await bot.SendMessage(oldSession.TelegramChatId, notification, parseMode: Telegram.Bot.Types.Enums.ParseMode.Html);

@@ -112,6 +184,104 @@ public sealed class SessionService(
        }
    }

+    public async Task PromoteWaitlistedPlayerAsync(Guid sessionId, Guid groupId)
+    {
+        await using var conn = await dataSource.OpenConnectionAsync();
+        await using var transaction = await conn.BeginTransactionAsync();
+
+        var session = await conn.QuerySingleOrDefaultAsync<WebSession>(
+            @"SELECT s.id, s.group_id AS GroupId, s.title, s.scheduled_at AS ScheduledAt, s.status, s.join_link AS JoinLink,
+                     s.batch_id AS BatchId, s.batch_message_id AS BatchMessageId,
+                     g.telegram_chat_id AS TelegramChatId,
+                     s.max_players AS MaxPlayers,
+                     0 AS ActivePlayerCount,
+                     0 AS WaitlistedPlayerCount
+              FROM sessions s
+              JOIN game_groups g ON g.id = s.group_id
+              WHERE s.id = @SessionId AND s.group_id = @GroupId
+              FOR UPDATE",
+            new { SessionId = sessionId, GroupId = groupId },
+            transaction);
+
+        if (session is null)
+        {
+            throw new SessionAccessDeniedException(sessionId, 0);
+        }
+
+        var activeParticipants = await conn.ExecuteScalarAsync<int>(
+            """
+            SELECT COUNT(*)
+            FROM session_participants
+            WHERE session_id = @SessionId
+              AND is_gm = false
+              AND registration_status = @Active
+            """,
+            new { SessionId = sessionId, Active = ParticipantRegistrationStatus.Active },
+            transaction);
+
+        var waitlistedParticipants = await conn.ExecuteScalarAsync<int>(
+            """
+            SELECT COUNT(*)
+            FROM session_participants
+            WHERE session_id = @SessionId
+              AND is_gm = false
+              AND registration_status = @Waitlisted
+            """,
+            new { SessionId = sessionId, Waitlisted = ParticipantRegistrationStatus.Waitlisted },
+            transaction);
+
+        if (!SessionCapacityRules.CanPromoteWaitlistedPlayer(session.MaxPlayers, activeParticipants, waitlistedParticipants))
+        {
+            throw new InvalidOperationException(waitlistedParticipants == 0
+                ? "Лист ожидания пуст."
+                : "Нет свободных мест для повышения игрока.");
+        }
+
+        var promoted = await conn.QuerySingleAsync<WebPromotedParticipantDto>(
+            """
+            SELECT sp.id AS ParticipantRowId,
+                   p.display_name AS DisplayName
+            FROM session_participants sp
+            JOIN players p ON p.id = sp.player_id
+            WHERE sp.session_id = @SessionId
+              AND sp.is_gm = false
+              AND sp.registration_status = @Waitlisted
+            ORDER BY sp.created_at ASC, sp.id ASC
+            LIMIT 1
+            FOR UPDATE OF sp
+            """,
+            new { SessionId = sessionId, Waitlisted = ParticipantRegistrationStatus.Waitlisted },
+            transaction);
+
+        await conn.ExecuteAsync(
+            """
+            UPDATE session_participants
+            SET registration_status = @Active,
+                rsvp_status = @Pending,
+                responded_at = NULL
+            WHERE id = @ParticipantRowId
+            """,
+            new
+            {
+                promoted.ParticipantRowId,
+                Active = ParticipantRegistrationStatus.Active,
+                Pending = RsvpStatus.Pending
+            },
+            transaction);
+
+        await transaction.CommitAsync();
+
+        await bot.SendMessage(
+            session.TelegramChatId,
+            $"⬆️ <b>{System.Net.WebUtility.HtmlEncode(promoted.DisplayName)}</b> переведен(а) из листа ожидания в основной состав «{System.Net.WebUtility.HtmlEncode(session.Title)}».",
+            parseMode: Telegram.Bot.Types.Enums.ParseMode.Html);
+
+        if (session.BatchMessageId.HasValue)
+        {
+            await TryUpdateBatchMessageAsync(session.BatchId, session.TelegramChatId, session.BatchMessageId.Value, session.Title);
+        }
+    }
+
    private async Task TryUpdateBatchMessageAsync(Guid batchId, long chatId, int messageId, string title)
    {
        try
@@ -119,16 +289,19 @@ public sealed class SessionService(
            await using var conn = await dataSource.OpenConnectionAsync();

            var sessions = (await conn.QueryAsync<SessionBatchDto>(
-                "SELECT id AS SessionId, scheduled_at AS ScheduledAt, status AS Status FROM sessions WHERE batch_id = @BatchId ORDER BY scheduled_at",
+                "SELECT id AS SessionId, scheduled_at AS ScheduledAt, status AS Status, max_players AS MaxPlayers FROM sessions WHERE batch_id = @BatchId ORDER BY scheduled_at",
                new { BatchId = batchId })).ToList();

            var participants = (await conn.QueryAsync<ParticipantBatchDto>(
-                @"SELECT sp.session_id AS SessionId, p.display_name AS DisplayName, p.telegram_username AS TelegramUsername
+                @"SELECT sp.session_id AS SessionId,
+                         p.display_name AS DisplayName,
+                         p.telegram_username AS TelegramUsername,
+                         sp.registration_status AS RegistrationStatus
                  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",
+                  ORDER BY sp.registration_status ASC, sp.created_at ASC, sp.responded_at ASC, p.created_at ASC",
                new { BatchId = batchId })).ToList();

            var renderResult = SessionBatchRenderer.Render(title, sessions, participants);