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Radicade Public Code
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JogmansonReal
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using Microsoft.EntityFrameworkCore;
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using RadicadeServer.API.Notifications;
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using RadicadeServer.DB;
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using RadicadeServer.RecNet.Auth;
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using RadicadeServer.RecNet.Enums.Messages;
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using RadicadeServer.RecNet.Enums.Moderation;
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using RadicadeServer.RecNet.Moderation;
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using RadicadeServer.RecNet.Notifications;
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namespace RadicadeServer.Utils
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{
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public class BanStatusMonitor : BackgroundService
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{
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private static readonly TimeSpan Interval = TimeSpan.FromSeconds(15);
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private readonly IDbContextFactory<RecDBContext> _dbFactory;
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private static readonly System.Collections.Concurrent.ConcurrentDictionary<long, string> LastSeenBan = new();
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private static readonly System.Collections.Concurrent.ConcurrentDictionary<long, long> LastSeenRoom = new();
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private static readonly System.Collections.Concurrent.ConcurrentDictionary<long, string> LastSeenVoiceRestriction = new();
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public BanStatusMonitor(IDbContextFactory<RecDBContext> dbFactory) {
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_dbFactory = dbFactory;
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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await CheckConnectedPlayersAsync(stoppingToken);
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}
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catch (Exception)
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{
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}
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await Task.Delay(Interval, stoppingToken);
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}
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}
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private async Task CheckConnectedPlayersAsync(CancellationToken ct)
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{
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var clients = Notify.SnapshotClients();
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if (clients.Count == 0) return;
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var accountIds = clients.Select(c => c.AccountId).Distinct().ToList();
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await using var db = await _dbFactory.CreateDbContextAsync(ct);
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var players = await db.Players.AsNoTracking()
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.Where(x => accountIds.Contains(x.AccountId)).ToListAsync(ct);
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var presences = await db.Presences.AsNoTracking()
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.Where(x => accountIds.Contains(x.playerId)).ToListAsync(ct);
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var moderationBans = await db.Moderation
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.Where(x => x.IsBan && x.BanMethod != AccountLock.BanMethod && accountIds.Contains(x.PlayerId))
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.ToListAsync(ct);
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var hardwareBans = await db.HardwareBans.ToListAsync(ct);
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var ipBans = await db.IpBans.ToListAsync(ct);
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var voiceRestrictions = await db.VoiceChatRestrictions.AsNoTracking()
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.Where(x => accountIds.Contains(x.PlayerId) && x.ClearedAt == null && x.ExpiresAt > DateTime.UtcNow)
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.ToListAsync(ct);
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var now = DateTime.UtcNow;
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bool cleaned = false;
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foreach (var m in moderationBans.Where(m => m.ExpireDuration < now).ToList())
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{
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db.Moderation.Remove(m);
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moderationBans.Remove(m);
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cleaned = true;
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}
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foreach (var h in hardwareBans.Where(h => h.ExpiresAt.HasValue && h.ExpiresAt.Value < now).ToList())
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{
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db.HardwareBans.Remove(h);
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hardwareBans.Remove(h);
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cleaned = true;
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}
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foreach (var i in ipBans.Where(i => i.ExpiresAt.HasValue && i.ExpiresAt.Value < now).ToList())
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{
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db.IpBans.Remove(i);
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ipBans.Remove(i);
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cleaned = true;
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}
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if (cleaned) await db.SaveChangesAsync(ct);
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var connected = new HashSet<long>(accountIds);
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foreach (var client in clients)
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{
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var id = client.AccountId;
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var player = players.FirstOrDefault(p => p.AccountId == id);
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if (player == null) continue;
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var moderation = moderationBans.FirstOrDefault(m => m.PlayerId == id);
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var hwBan = !string.IsNullOrWhiteSpace(player.DeviceId)
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? hardwareBans.FirstOrDefault(h => h.DeviceId == player.DeviceId)
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: null;
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var ipBan = ResolveIpBan(ipBans, player);
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string? signature = null;
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string? reason = null;
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DateTime? startedAt = null;
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DateTime expiry = DateTime.MaxValue;
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var banCategory = ReportCategory.Misc;
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if (moderation != null)
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{
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signature = "mod:" + moderation.Id;
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reason = moderation.Message ?? "";
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startedAt = moderation.CreatedAt;
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expiry = moderation.ExpireDuration;
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banCategory = moderation.Category;
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}
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else if (hwBan != null)
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{
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signature = "hw:" + hwBan.Id;
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reason = hwBan.Reason ?? "";
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startedAt = hwBan.CreatedAt;
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expiry = hwBan.ExpiresAt ?? DateTime.MaxValue;
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}
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else if (ipBan != null)
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{
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signature = "ip:" + ipBan.IpAddress;
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reason = ipBan.Reason ?? "";
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startedAt = ipBan.CreatedAt;
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expiry = ipBan.ExpiresAt ?? DateTime.MaxValue;
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}
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var presence = presences.FirstOrDefault(p => p.playerId == id);
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var last = LastSeenBan.GetValueOrDefault(id);
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var roomKey = presence?.roomInstance ?? -1;
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var lastRoom = LastSeenRoom.GetValueOrDefault(id, long.MinValue);
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if (signature != null)
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{
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var banChanged = last != signature;
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var roomChanged = lastRoom != roomKey;
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LastSeenBan[id] = signature;
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LastSeenRoom[id] = roomKey;
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if (banChanged || roomChanged)
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{
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if (!await db.IsDeveloper(id))
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await KickIfInRoomAsync(db, id, reason ?? "", expiry, startedAt, hwBan?.BannedAccountId, banChanged, banCategory);
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}
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}
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else if (last != null)
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{
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LastSeenBan.TryRemove(id, out _);
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LastSeenRoom.TryRemove(id, out _);
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await PlayerUtils.ReleaseModerationHoldAsync(id, await db.IsDeveloper(id));
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var profile = await db.Profiles.FirstOrDefaultAsync(x => x.accountId == id);
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if (profile != null)
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await Notify.SendNotify(id, new Notification { Id = NotificationType.RefreshLogin, Msg = profile });
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}
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var restriction = voiceRestrictions.FirstOrDefault(r => r.PlayerId == id);
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var restrictionSignature = restriction == null
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? null
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: $"vr:{restriction.Id}:{restriction.ExpiresAt.Ticks}";
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var known = LastSeenVoiceRestriction.TryGetValue(id, out var lastRestriction)
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? lastRestriction
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: null;
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if (known != restrictionSignature)
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{
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if (restrictionSignature == null)
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LastSeenVoiceRestriction.TryRemove(id, out _);
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else
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LastSeenVoiceRestriction[id] = restrictionSignature;
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await VoiceChatRestrictions.PushAsync(id, restriction);
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}
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}
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foreach (var key in LastSeenBan.Keys)
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{
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if (!connected.Contains(key))
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LastSeenBan.TryRemove(key, out _);
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LastSeenRoom.TryRemove(key, out _);
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}
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foreach (var key in LastSeenVoiceRestriction.Keys)
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{
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if (!connected.Contains(key))
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LastSeenVoiceRestriction.TryRemove(key, out _);
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}
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}
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private static IpBan? ResolveIpBan(List<IpBan> ipBans, PlayerData player)
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{
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if (string.IsNullOrWhiteSpace(player.LastIpAddress)) return null;
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return ipBans.FirstOrDefault(b => b.IpAddress == player.LastIpAddress);
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}
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private async Task KickIfInRoomAsync(RecDBContext db, long accountId, string reason, DateTime expiry, DateTime? startedAt = null, long? relatedAccountId = null, bool banChanged = false, ReportCategory category = ReportCategory.Misc)
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{
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var presence = await db.Presences.FirstOrDefaultAsync(x => x.playerId == accountId);
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if (presence?.roomInstance != null)
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{
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var roomInstance = await db.RoomInstances.FirstOrDefaultAsync(x => x.roomInstanceId == presence.roomInstance);
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var room = roomInstance != null ? await db.Rooms.FirstOrDefaultAsync(x => x.RoomId == roomInstance.roomId) : null;
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bool isOwnDorm = room != null && room.IsDorm && room.CreatorAccountId == accountId;
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if (isOwnDorm)
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{
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bool relatedBan = relatedAccountId.HasValue && relatedAccountId.Value != accountId;
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if (!relatedBan || !banChanged) return;
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}
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else
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{
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await PlayerUtils.EjectToDormAsync(db, accountId);
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}
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}
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await Notify.SendNotify(accountId, new Notification
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{
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Id = NotificationType.ModerationKick,
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Msg = PlayerUtils.BuildBlockDetails(true, category, reason, expiry, startedAtUtc: startedAt,
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relatedUsername: await PlayerUtils.RelatedAccountUsernameAsync(db, relatedAccountId, accountId))
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});
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}
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}
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}
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